A condition in which albumin level in blood (SERUM ALBUMIN) is below the normal range. Hypoalbuminemia may be due to decreased hepatic albumin synthesis, increased albumin catabolism, altered albumin distribution, or albumin loss through the urine (ALBUMINURIA).
A major protein in the BLOOD. It is important in maintaining the colloidal osmotic pressure and transporting large organic molecules.
Pathological conditions in the INTESTINES that are characterized by the gastrointestinal loss of serum proteins, including SERUM ALBUMIN; IMMUNOGLOBULINS; and at times LYMPHOCYTES. Severe condition can result in HYPOGAMMAGLOBULINEMIA or LYMPHOPENIA. Protein-losing enteropathies are associated with a number of diseases including INTESTINAL LYMPHANGIECTASIS; WHIPPLE'S DISEASE; and NEOPLASMS of the SMALL INTESTINE.
A condition characterized by severe PROTEINURIA, greater than 3.5 g/day in an average adult. The substantial loss of protein in the urine results in complications such as HYPOPROTEINEMIA; generalized EDEMA; HYPERTENSION; and HYPERLIPIDEMIAS. Diseases associated with nephrotic syndrome generally cause chronic kidney dysfunction.
Water-soluble proteins found in egg whites, blood, lymph, and other tissues and fluids. They coagulate upon heating.
A condition characterized by recurring episodes of fluid leaking from capillaries into extra-vascular compartments causing hematocrit to rise precipitously. If not treated, generalized vascular leak can lead to generalized EDEMA; SHOCK; cardiovascular collapse; and MULTIPLE ORGAN FAILURE.
A condition in which total serum protein level is below the normal range. Hypoproteinemia can be caused by protein malabsorption in the gastrointestinal tract, EDEMA, or PROTEINURIA.
PUROMYCIN derivative that lacks the methoxyphenylalanyl group on the amine of the sugar ring. It is an antibiotic with antineoplastic properties and can cause nephrosis.
Portable peritoneal dialysis using the continuous (24 hours a day, 7 days a week) presence of peritoneal dialysis solution in the peritoneal cavity except for periods of drainage and instillation of fresh solution.
Breakdown of the connection and subsequent leakage of effluent (fluids, secretions, air) from a SURGICAL ANASTOMOSIS of the digestive, respiratory, genitourinary, and cardiovascular systems. Most common leakages are from the breakdown of suture lines in gastrointestinal or bowel anastomosis.
The presence of proteins in the urine, an indicator of KIDNEY DISEASES.
The period before a surgical operation.
A type of glomerulonephritis that is characterized by the accumulation of immune deposits (COMPLEMENT MEMBRANE ATTACK COMPLEX) on the outer aspect of the GLOMERULAR BASEMENT MEMBRANE. It progresses from subepithelial dense deposits, to basement membrane reaction and eventual thickening of the basement membrane.
Studies used to test etiologic hypotheses in which inferences about an exposure to putative causal factors are derived from data relating to characteristics of persons under study or to events or experiences in their past. The essential feature is that some of the persons under study have the disease or outcome of interest and their characteristics are compared with those of unaffected persons.
The end-stage of CHRONIC RENAL INSUFFICIENCY. It is characterized by the severe irreversible kidney damage (as measured by the level of PROTEINURIA) and the reduction in GLOMERULAR FILTRATION RATE to less than 15 ml per min (Kidney Foundation: Kidney Disease Outcome Quality Initiative, 2002). These patients generally require HEMODIALYSIS or KIDNEY TRANSPLANTATION.
I'm sorry for any confusion, but "Romania" is a country located in southeastern Europe, not a medical term. It is not possible to provide a medical definition for it.
Disorders caused by nutritional imbalance, either overnutrition or undernutrition.
Therapy for the insufficient cleansing of the BLOOD by the kidneys based on dialysis and including hemodialysis, PERITONEAL DIALYSIS, and HEMODIAFILTRATION.
Presence of fluid in the pleural cavity resulting from excessive transudation or exudation from the pleural surfaces. It is a sign of disease and not a diagnosis in itself.
Dialysis fluid being introduced into and removed from the peritoneal cavity as either a continuous or an intermittent procedure.
State of the body in relation to the consumption and utilization of nutrients.
An aspect of personal behavior or lifestyle, environmental exposure, or inborn or inherited characteristic, which, on the basis of epidemiologic evidence, is known to be associated with a health-related condition considered important to prevent.
Evaluation undertaken to assess the results or consequences of management and procedures used in combating disease in order to determine the efficacy, effectiveness, safety, and practicability of these interventions in individual cases or series.
Diseases of the domestic dog (Canis familiaris). This term does not include diseases of wild dogs, WOLVES; FOXES; and other Canidae for which the heading CARNIVORA is used.

Correction of the anion gap for albumin in order to detect occult tissue anions in shock. (1/136)

BACKGROUND: It is believed that hypoalbuminaemia confounds interpretation of the anion gap (AG) unless corrected for serum albumin in critically ill children with shock. AIM: To compare the ability of the AG and the albumin corrected anion gap (CAG) to detect the presence of occult tissue anions. METHODS: Prospective observational study in children with shock in a 22 bed multidisciplinary paediatric intensive care unit of a university childrenrsquo;s hospital. Blood was sampled at admission and at 24 hours, for acid-base parameters, serum albumin, and electrolytes. Occult tissue anions (lactate + truly "unmeasured" anions) were calculated from the strong ion gap. The anion gap ((Na + K) - (Cl + bicarbonate)) was corrected for serum albumin using the equation of Figge: AG + (0.25 x (44 - albumin)). Occult tissue anions (TA) predicted by the anion gap were calculated by (anion gap - 15 mEq/l). Optimal cut off values of anion gap were compared by means of receiver operating characteristic (ROC) curves. Ninety three sets of data from 55 children (median age 7 months, median weight 4.9 kg) were analysed. Data are expressed as mean (SD), and mean bias (limits of agreement). RESULTS: The incidence of hypoalbuminaemia was 76% (n = 42/55). Mean serum albumin was 25 g/l (SD 8). Mean AG was 15.0 mEq/l (SD 6.1), compared to the CAG of 19.9 mEq/l (SD 6.6). Mean TA was 10.2 mmol/l (SD 6.3). The AG underestimated TA with mean bias 10.2 mmol/l (4.1-16.1), compared to the CAG, mean bias 5.3 mmol/l (0.4-10.2). A clinically significant increase of TA >5 mmol/l was present in 83% (n = 77/93) of samples, of which the AG detected 48% (n = 36/77), and the CAG 87% (n = 67/77). Post hoc ROC analysis revealed optimal cut off values for detection of TA >5 mmol/l to be AG >10 mEq/l, and CAG >15.5 mEq/l. CONCLUSION: Hypoalbuminaemia is common in critically ill children with shock, and is associated with a low observed anion gap that may fail to detect clinically significant amounts of lactate and other occult tissue anions. We suggest that the albumin corrected anion gap should be calculated to screen for occult tissue anions in these children.  (+info)

Diverse effects of increasing lisinopril doses on lipid abnormalities in chronic nephropathies. (2/136)

BACKGROUND: Dyslipidemia frequently complicates chronic nephropathies and increases the risk of renal and cardiovascular events. This might be ameliorated by drugs, such as angiotensin-converting enzyme inhibitors, which effectively reduce proteinuria. METHODS AND RESULTS: In this longitudinal study, we evaluated the extent to which uptitration of the ACE inhibitor lisinopril to maximum tolerated doses (median [range]: 30 [10 to 40] mg/d) ameliorated proteinuria and dyslipidemia in 28 patients with nondiabetic chronic nephropathies. Maximum lisinopril doses significantly and safely reduced proteinuria, serum total, LDL cholesterol, and triglycerides without substantially affecting serum HDL and renal hemodynamics. Proteinuria already decreased at 10 mg/d. Serum lipids progressively and dose-dependently decreased during uptitration to maximum doses. Reduction in total and LDL cholesterol correlated with increases in serum albumin/total protein concentration and oncotic pressure, peaked at lisinopril maximum doses, and persisted after treatment withdrawal. Despite less proteinuria reduction, hypercholesterolemia decreased more (and reflected the increase in serum albumin) in hypoalbuminemic than in normoalbuminemic patients who, despite more proteinuria reduction, had less decrease in cholesterol and no changes in serum albumin. Changes in serum triglycerides were independent of changes in serum proteins, were strongly correlated with lisinopril doses (r=-0.89, P=0.003) and recovered promptly after treatment withdrawal. Lisinopril was well tolerated, did not affect renal hemodynamics, and caused symptomatic, reversible hypotension in only two patients. CONCLUSIONS: In chronic nephropathies, angiotensin converting enzyme inhibitor uptitration to maximum tolerated doses safely ameliorated hypertriglyceridemia by a direct, dose-dependent effect, and hypercholesterolemia through amelioration of the nephrotic syndrome, particularly in patients with more severe hypoalbuminemia.  (+info)

Hypoalbuminemia in acute illness: is there a rationale for intervention? A meta-analysis of cohort studies and controlled trials. (3/136)

OBJECTIVE: To determine whether hypoalbuminemia is an independent risk factor for poor outcome in the acutely ill, and to assess the potential of exogenous albumin administration for improving outcomes in hypoalbuminemic patients. SUMMARY BACKGROUND DATA: Hypoalbuminemia is associated with poor outcomes in acutely ill patients, but whether this association is causal has remained unclear. Trials investigating albumin therapy to correct hypoalbuminemia have proven inconclusive. METHODS: A meta-analysis was conducted of 90 cohort studies with 291,433 total patients evaluating hypoalbuminemia as an outcome predictor by multivariate analysis and, separately, of nine prospective controlled trials with 535 total patients on correcting hypoalbuminemia. RESULTS: Hypoalbuminemia was a potent, dose-dependent independent predictor of poor outcome. Each 10-g/L decline in serum albumin concentration significantly raised the odds of mortality by 137%, morbidity by 89%, prolonged intensive care unit and hospital stay respectively by 28% and 71%, and increased resource utilization by 66%. The association between hypoalbuminemia and poor outcome appeared to be independent of both nutritional status and inflammation. Analysis of dose-dependency in controlled trials of albumin therapy suggested that complication rates may be reduced when the serum albumin level attained during albumin administration exceeds 30 g/L. CONCLUSIONS: Hypoalbuminemia is strongly associated with poor clinical outcomes. Further well-designed trials are needed to characterize the effects of albumin therapy in hypoalbuminemic patients. In the interim, there is no compelling basis to withhold albumin therapy if it is judged clinically appropriate.  (+info)

Hypoalbuminaemia in critically ill children: incidence, prognosis, and influence on the anion gap. (4/136)

AIMS: Hypoalbuminaemia has significance in adult critical illness as an independent predictor of mortality. In addition, the anion gap is predominantly due to the negative charge of albumin, thus hypoalbuminaemia may lead to its underestimation. We examine this phenomenon in critically ill children, documenting the incidence, early evolution, and prognosis of hypoalbuminaemia (<33 g/l), and quantify its influence on the anion gap. METHODS: Prospective descriptive study of 134 critically ill children in the paediatric intensive care unit (ICU). Paired arterial blood samples were taken at ICU admission and 24 hours later, from which blood gases, electrolytes, and albumin were measured. The anion gap (including potassium) was calculated and then corrected for albumin using Figge's formula. RESULTS: The incidence of admission hypoalbuminaemia was 57%, increasing to 76% at 24 hours. Neither admission hypoalbuminaemia, nor extreme hypoalbuminaemia (<20 g/l) predicted mortality; however, there was an association with increased median ICU stay (4.9 v 3.6 days). After correction for albumin the incidence of a raised anion gap (>18 mEq/l) increased from 28% to 44% in all samples (n = 263); this discrepancy was more pronounced in the 103 samples with metabolic acidosis (38% v 73%). Correction produced an average increase in the anion gap of 2.7 mEq/l (mean bias), with limits of agreement of +/-3.7 mEq/l. CONCLUSION: Admission hypoalbuminaemia is common in critical illness, but is not an independent predictor of mortality. However, failure to correct the anion gap for albumin may underestimate the true anion gap, producing error in the interpretation of acid-base abnormalities. This may have treatment implications.  (+info)

Preclinical Cushing's syndrome presenting with isolated adrenocorticotropin (ACTH) deficiency-like manifestations and severe hypoalbuminemia without overt adrenal masses in a patient with Chilaiditi syndrome and mental retardation. (5/136)

A 52-year-old man with Chilaiditi syndrome and mental retardation was admitted to Kanagawa Rehabilitation Hospital for severe hypoglycemic coma with malnutrition. This patient was first diagnosed as partial isolated adrenocorticotropin deficiency according to his symptoms and clinical course, but he was finally diagnosed as preclinical Cushing's syndrome. Manifestations of this case seemed unusual in spite of autonomic cortisol secretion and the detailed mechanisms of symptoms were unclear. The present case indicates that preclinical Cushing's syndrome may present with various manifestations, and careful diagnosis is necessary.  (+info)

Downregulation of nitric oxide synthase in nephrotic syndrome: role of proteinuria. (6/136)

Blood pressure is frequently elevated, blood volume is usually normal or increased and plasma renin and aldosterone are usually low in nephrotic syndrome (NS). These observations challenge the conventional view attributing sodium retention in NS to a hypoalbuminemia-induced intravascular volume contraction. Given the pivotal role of nitric oxide (NO) in regulation of renal sodium (Na) handling, vascular resistance and sympathetic activity, we considered that Na retention and hypertension in NS may be associated with impaired NO system. Urinary excretion of Na and NO metabolites (NOx), as well as immunodetectable endothelial (eNOS), inducible (iNOS) and neuronal (nNOS) NO synthases were determined in rats with puromycin aminonucleoside (PAN)-induced NS, rats with protein overload proteinuria, Nagase rats (NAR) with inherited analbuminemia, iNOS inhibitor (aminoguanidine)-treated rats, prenephrotic PAN-treated and placebo-treated control rats. The NS group showed marked proteinuria, hypoalbuminemia, decreased fractional excretion of Na (FENa), reduced urinary NOx excretion, and severe reduction of iNOS and nNOS protein abundance in the kidney. Similar results were found in rats with protein overload proteinuria in which proteinuria was present without hypoalbuminemia. In contrast, despite extreme hypoalbuminemia, NAR showed normal FENa, increased urinary NOx excretion and upregulations of iNOS and nNOS protein abundance in the kidney. Administration of aminoguanidine for 3 weeks lowered FENa in normal rats to levels approximating those found in the NS group. Animals studied 2 days after PAN administration (wherein proteinuria was absent) showed no abnormality. Thus, chronic PAN-induced NS results in downregulation of kidney iNOS and nNOS, which can contribute to the reduction of FENa by augmenting renal tubular Na reabsorption, and preglomerular vasoconstriction. Findings in the NAR, which had profound hypoalbuminemia without proteinuria, and in rats with protein overload proteinuria, which had proteinuria without hypoalbuminemia, point to proteinuria as the primary mediator of kidney iNOS and nNOS deficiency and impaired Na excretion in PAN-induced NS.  (+info)

Hypoalbuminaemia enhances the renal vasoconstrictor effect of lysophosphatidylcholine. (7/136)

BACKGROUND: Lysophosphatidylcholine (LPC) causes vascular dysfunction in vitro. Lipoprotein LPC is increased in hypoalbuminaemia. Albumin binds LPC and restores LPC-induced abnormalities. We hypothesized that in vivo LPC impairs blood flow more in hypoalbuminaemia than in normoalbuminaemia. METHODS: Increasing concentrations of LPC were infused intra-renally in Nagase analbuminaemic rats (NAR) and Sprague-Dawley rats (controls). RESULTS: Intra-renal LPC (0.1 micromol/min, 20 min) reduced renal blood flow (RBF) more (P < 0.01) in NAR (from 8.3 +/- 0.3 to 4.0 +/- 1.1) than in controls (from 7.7 +/- 0.7 to 5.8 +/- 0.5 ml/min/g kidney). Lysophosphatidylethanolamine had no effect. After stopping LPC, RBF recovery was delayed in NAR [median 90 (range: 70-90) vs 45 min (40-60), P < 0.01]. Intravenous bovine serum albumin (BSA) prevented LPC-induced vasoconstriction in both strains. Prolonging LPC for 60 min delayed recovery of RBF. In this setting, intra-renal BSA completely restored RBF in 75 min (30-90), while intra-renal saline over 75 min only resulted in 33 +/- 13% recovery (P < 0.01). Baseline renal LPC content was unchanged in NAR. However, intra-renal LPC infusion doubled renal LPC content in NAR, but had no effect in controls. CONCLUSIONS: In NAR, baseline RBF and renal LPC content are normal. However, exposure of NAR to LPC results in much more vasoconstriction and accumulation of LPC than in normoalbuminaemia. Addition of albumin prevents and restores LPC-induced vasoconstriction.  (+info)

Hypoalbuminemia in elderly patients with acute diastolic heart failure. (8/136)

OBJECTIVES: This study evaluated the relative contribution of serum colloid osmotic pressure (COP) lowering and pulmonary artery wedge pressure (PAWP) elevation in the pathogenesis of pulmonary edema in patients with systolic or isolated diastolic heart failure (DHF). BACKGROUND: The role of hypoalbuminemia and the resulting low COP have been shown in some patients with acute systolic heart failure (SHF). Colloid osmotic pressure and PAWP were determined in 100 patients with acute heart failure (HF) (56 with DHF and 44 with SHF; mean age, 78 +/- 12 years), in 35 patients with acute dyspnea from pulmonary origin, and in 15 normal controls. Pulmonary artery wedge pressure was estimated using transthoracic Doppler echocardiography. RESULTS: Colloid osmotic pressure was significantly lower in the DHF group (20.5 +/- 5 mm Hg) than in the SHF group (24.2 +/- 3.7 mm Hg, p < 0.001), pulmonary disease group (25.1 +/- 4.2 mm Hg, p < 0.001), or normal control group (24.7 +/- 3 mm Hg). Low COP resulted from hypoalbuminemia due to age, malnutrition, and sepsis. Pulmonary artery wedge pressure was significantly higher in patients with SHF (26 +/- 6.3 mm Hg) than in the patients with DHF (20.3 +/- 7 mm Hg, p < 0.001) and was significantly higher in the patients with DHF than in the patients with pulmonary disease (13 +/- 4.2 mm Hg, p < 0.001). The COP-PAWP gradient was similar in patients with SHF (-1.6 +/- 7.1 mm Hg) and patients with DHF (0.7 +/- 6 mm Hg). CONCLUSIONS: Frequent hypoalbuminemia resulting in low COP facilitates the onset of pulmonary edema in patients with DHF who usually have lower PAWP than patients with SHF.  (+info)

Hypoalbuminemia is a medical condition characterized by having lower than normal levels of albumin in the blood. Albumin is a type of protein produced by the liver, and it plays a crucial role in maintaining oncotic pressure (the force that keeps fluid inside blood vessels) and transporting various substances throughout the body.

A serum albumin level below 3.5 g/dL (grams per deciliter) is generally considered hypoalbuminemia, although some laboratories may define it as a level below 3.4 g/dL or even lower. This condition can be caused by various factors, including liver disease, malnutrition, kidney disease, inflammation, and protein-losing enteropathy (a disorder that causes excessive loss of protein in the gastrointestinal tract).

Hypoalbuminemia is often associated with poorer clinical outcomes in several medical conditions, such as increased risk of infection, longer hospital stays, and higher mortality rates. It's essential to identify and address the underlying cause of hypoalbuminemia for appropriate treatment and improved patient outcomes.

Serum albumin is the most abundant protein in human blood plasma, synthesized by the liver. It plays a crucial role in maintaining the oncotic pressure or colloid osmotic pressure of blood, which helps to regulate the fluid balance between the intravascular and extravascular spaces.

Serum albumin has a molecular weight of around 66 kDa and is composed of a single polypeptide chain. It contains several binding sites for various endogenous and exogenous substances, such as bilirubin, fatty acids, hormones, and drugs, facilitating their transport throughout the body. Additionally, albumin possesses antioxidant properties, protecting against oxidative damage.

Albumin levels in the blood are often used as a clinical indicator of liver function, nutritional status, and overall health. Low serum albumin levels may suggest liver disease, malnutrition, inflammation, or kidney dysfunction.

Protein-losing enteropathies (PLE) refer to a group of conditions characterized by excessive loss of proteins from the gastrointestinal tract into the intestinal lumen and ultimately into the stool. This results in hypoproteinemia, which is a decrease in the concentration of proteins in the bloodstream, particularly albumin.

The protein loss can occur due to various reasons such as increased permeability of the intestinal mucosa, lymphatic obstruction, or inflammatory processes affecting the gastrointestinal tract. Common causes of PLE include conditions such as inflammatory bowel disease, intestinal lymphangiectasia, celiac disease, Whipple's disease, and menetrier's disease.

Symptoms of PLE may include edema, ascites, weight loss, diarrhea, and fatigue. The diagnosis of PLE typically involves measuring the concentration of proteins in the stool, as well as other diagnostic tests to determine the underlying cause. Treatment of PLE depends on the underlying cause and may involve dietary modifications, medications, or surgical interventions.

Nephrotic syndrome is a group of symptoms that indicate kidney damage, specifically damage to the glomeruli—the tiny blood vessel clusters in the kidneys that filter waste and excess fluids from the blood. The main features of nephrotic syndrome are:

1. Proteinuria (excess protein in urine): Large amounts of a protein called albumin leak into the urine due to damaged glomeruli, which can't properly filter proteins. This leads to low levels of albumin in the blood, causing fluid buildup and swelling.
2. Hypoalbuminemia (low blood albumin levels): As albumin leaks into the urine, the concentration of albumin in the blood decreases, leading to hypoalbuminemia. This can cause edema (swelling), particularly in the legs, ankles, and feet.
3. Edema (fluid retention and swelling): With low levels of albumin in the blood, fluids move into the surrounding tissues, causing swelling or puffiness. The swelling is most noticeable around the eyes, face, hands, feet, and abdomen.
4. Hyperlipidemia (high lipid/cholesterol levels): The kidneys play a role in regulating lipid metabolism. Damage to the glomeruli can lead to increased lipid production and high cholesterol levels in the blood.

Nephrotic syndrome can result from various underlying kidney diseases, such as minimal change disease, membranous nephropathy, or focal segmental glomerulosclerosis. Treatment depends on the underlying cause and may include medications to control inflammation, manage high blood pressure, and reduce proteinuria. In some cases, dietary modifications and lifestyle changes are also recommended.

Albumins are a type of protein found in various biological fluids, including blood plasma. The most well-known albumin is serum albumin, which is produced by the liver and is the most abundant protein in blood plasma. Serum albumin plays several important roles in the body, such as maintaining oncotic pressure (which helps to regulate fluid balance in the body), transporting various substances (such as hormones, fatty acids, and drugs), and acting as an antioxidant.

Albumins are soluble in water and have a molecular weight ranging from 65,000 to 69,000 daltons. They are composed of a single polypeptide chain that contains approximately 585 amino acid residues. The structure of albumin is characterized by a high proportion of alpha-helices and beta-sheets, which give it a stable, folded conformation.

In addition to their role in human physiology, albumins are also used as diagnostic markers in medicine. For example, low serum albumin levels may indicate liver disease, malnutrition, or inflammation, while high levels may be seen in dehydration or certain types of kidney disease. Albumins may also be used as a replacement therapy in patients with severe protein loss, such as those with nephrotic syndrome or burn injuries.

Capillary leak syndrome (CLS) is a rare, but serious condition characterized by the abnormal leakage of plasma from the bloodstream into surrounding tissues. This occurs due to increased permeability of the capillary walls, which are the smallest blood vessels in the body that connect arterioles and venules, allowing for the exchange of nutrients, waste products, and gases between the blood and the tissues.

In CLS, the leakage of plasma leads to a rapid loss of intravascular volume, resulting in hypotension (low blood pressure), hemoconcentration (increased concentration of red blood cells due to reduced plasma volume), and edema (swelling) in various parts of the body. The fluid shift from the bloodstream to the tissues can also cause organ dysfunction and failure if not promptly treated.

The exact causes of capillary leak syndrome are not fully understood, but it can be associated with certain medical conditions, such as infections, autoimmune disorders, medications, or cancer. In some cases, CLS may occur without an identifiable underlying cause, known as idiopathic capillary leak syndrome.

Treatment for capillary leak syndrome typically involves supportive care to maintain blood pressure, replace lost fluids and electrolytes, and manage any organ dysfunction. Medications such as corticosteroids, immunoglobulins, or vasopressors may be used depending on the severity of the condition and the presence of underlying causes. In severe cases, extracorporeal membrane oxygenation (ECMO) or other intensive care interventions might be necessary to support organ function and ensure adequate blood flow.

Hypoproteinemia is a medical condition characterized by abnormally low levels of protein, particularly albumin, in the blood. This can occur due to various reasons such as malnutrition, liver disease, kidney disease, or gastrointestinal disorders that affect protein absorption. It can lead to edema (swelling), especially in the legs and abdomen, and other complications. It's important to note that while albumin is the most abundant protein in blood serum, other proteins such as immunoglobulins and enzymes can also be affected in hypoproteinemia.

Puromycin aminonucleoside is not a medical condition, but rather a laboratory reagent used in research. It is a synthetic antibiotic and analogue of the amino acid tyrosine, which specifically inhibits protein synthesis in eukaryotic cells by interacting with the peptidyl transferase center of the 60S ribosomal subunit. This compound has been widely used as a tool to study various cellular processes, including programmed cell death (apoptosis), autophagy, and lysosome biogenesis. Prolonged exposure to puromycin aminonucleoside can induce cytopathic effects, such as vacuolization and detachment of cells, which are often used as markers for its effectiveness in inhibiting protein synthesis.

Peritoneal dialysis, continuous ambulatory (CAPD), is a type of renal replacement therapy used to treat patients with end-stage kidney disease. It is a form of peritoneal dialysis that is performed continuously, without the need for machines or hospitalization. CAPD uses the patient's own peritoneum, a thin membrane that lines the abdominal cavity, as a natural filter to remove waste products and excess fluids from the bloodstream.

In CAPD, a sterile dialysis solution is introduced into the peritoneal cavity through a permanent catheter implanted in the patient's abdomen. The solution remains in the peritoneal cavity for a dwell time of several hours, during which diffusion occurs across the peritoneal membrane, allowing waste products and excess fluids to move from the bloodstream into the dialysis solution.

After the dwell time, the used dialysis solution is drained from the peritoneal cavity and discarded, and a fresh batch of dialysis solution is introduced. This process is typically repeated four to five times a day, with each exchange taking about 30 minutes to complete. Patients can perform CAPD exchanges while going about their daily activities, making it a convenient and flexible treatment option for many patients with end-stage kidney disease.

Overall, CAPD is a highly effective form of dialysis that offers several advantages over other types of renal replacement therapy, including improved quality of life, better preservation of residual kidney function, and lower costs. However, it does require careful attention to sterile technique and regular monitoring to ensure proper functioning of the peritoneal membrane and adequate clearance of waste products and fluids.

An anastomotic leak is a medical condition that occurs after a surgical procedure where two hollow organs or vessels are connected (anastomosed). It refers to the failure of the connection, resulting in a communication between the inside of the connected structures and the outside, which can lead to the escape of fluids, such as digestive contents or blood, into the surrounding tissues.

Anastomotic leaks can occur in various parts of the body where anastomoses are performed, including the gastrointestinal tract, vasculature, and respiratory system. The leakage can cause localized or systemic infection, inflammation, sepsis, organ failure, or even death if not promptly diagnosed and treated.

The risk of anastomotic leaks depends on several factors, such as the patient's overall health, the type and location of the surgery, the quality of the surgical technique, and the presence of any underlying medical conditions that may affect wound healing. Treatment options for anastomotic leaks vary depending on the severity and location of the leak, ranging from conservative management with antibiotics and bowel rest to surgical intervention, such as drainage, revision of the anastomosis, or resection of the affected segment.

Proteinuria is a medical term that refers to the presence of excess proteins, particularly albumin, in the urine. Under normal circumstances, only small amounts of proteins should be found in the urine because the majority of proteins are too large to pass through the glomeruli, which are the filtering units of the kidneys.

However, when the glomeruli become damaged or diseased, they may allow larger molecules such as proteins to leak into the urine. Persistent proteinuria is often a sign of kidney disease and can indicate damage to the glomeruli. It is usually detected through a routine urinalysis and may be confirmed with further testing.

The severity of proteinuria can vary, and it can be a symptom of various underlying conditions such as diabetes, hypertension, glomerulonephritis, and other kidney diseases. Treatment for proteinuria depends on the underlying cause and may include medications to control blood pressure, manage diabetes, or reduce protein loss in the urine.

The preoperative period is the time period before a surgical procedure during which various preparations are made to ensure the best possible outcome for the surgery. This includes evaluating the patient's overall health status, identifying and managing any underlying medical conditions that could increase the risk of complications, obtaining informed consent from the patient, and providing preoperative instructions regarding medications, food and drink intake, and other aspects of preparation for the surgery.

The specific activities that occur during the preoperative period may vary depending on the type and complexity of the surgical procedure, as well as the individual needs and medical history of the patient. However, some common elements of the preoperative period include:

* A thorough medical history and physical examination to assess the patient's overall health status and identify any potential risk factors for complications
* Diagnostic tests such as blood tests, imaging studies, or electrocardiograms (ECGs) to provide additional information about the patient's health status
* Consultation with anesthesia providers to determine the appropriate type and dosage of anesthesia for the procedure
* Preoperative teaching to help the patient understand what to expect before, during, and after the surgery
* Management of any underlying medical conditions such as diabetes, heart disease, or lung disease to reduce the risk of complications
* Administration of medications such as antibiotics or anti-coagulants to prevent infection or bleeding
* Fasting instructions to ensure that the stomach is empty during the surgery and reduce the risk of aspiration (inhalation of stomach contents into the lungs)

Overall, the preoperative period is a critical time for ensuring the safety and success of surgical procedures. By taking a thorough and systematic approach to preparing patients for surgery, healthcare providers can help to minimize the risks of complications and ensure the best possible outcomes for their patients.

Membranous glomerulonephritis (MGN) is a kidney disorder that leads to the inflammation and damage of the glomeruli, which are the tiny blood vessels in the kidneys responsible for filtering waste and excess fluids from the blood. In MGN, the membrane that surrounds the glomerular capillaries becomes thickened and damaged due to the deposit of immune complexes, primarily composed of antibodies and antigens.

The onset of membranous glomerulonephritis can be either primary (idiopathic) or secondary to various underlying conditions such as autoimmune diseases (like systemic lupus erythematosus), infections (hepatitis B or C, syphilis, endocarditis), medications, or malignancies.

The symptoms of membranous glomerulonephritis may include:

1. Proteinuria - the presence of excess protein, specifically albumin, in the urine. This can lead to nephrotic syndrome, characterized by heavy protein loss in urine, edema (swelling), hypoalbuminemia (low blood albumin levels), and hyperlipidemia (high blood lipid levels).
2. Hematuria - the presence of red blood cells in the urine, which can be visible or microscopic.
3. Hypertension - high blood pressure.
4. Edema - swelling in various body parts due to fluid retention.
5. Nephrotic range proteinuria (protein loss greater than 3.5 grams per day) and/or nephritic syndrome (a combination of hematuria, proteinuria, hypertension, and kidney dysfunction) can be observed in some cases.

The diagnosis of membranous glomerulonephritis typically involves a thorough medical history, physical examination, urinalysis, blood tests, and imaging studies. A definitive diagnosis often requires a kidney biopsy to assess the glomerular structure and the nature of the immune complex deposits. Treatment depends on the underlying cause and severity of the disease and may include corticosteroids, immunosuppressants, blood pressure management, and supportive care for symptoms like edema and proteinuria.

Retrospective studies, also known as retrospective research or looking back studies, are a type of observational study that examines data from the past to draw conclusions about possible causal relationships between risk factors and outcomes. In these studies, researchers analyze existing records, medical charts, or previously collected data to test a hypothesis or answer a specific research question.

Retrospective studies can be useful for generating hypotheses and identifying trends, but they have limitations compared to prospective studies, which follow participants forward in time from exposure to outcome. Retrospective studies are subject to biases such as recall bias, selection bias, and information bias, which can affect the validity of the results. Therefore, retrospective studies should be interpreted with caution and used primarily to generate hypotheses for further testing in prospective studies.

Chronic kidney failure, also known as chronic kidney disease (CKD) stage 5 or end-stage renal disease (ESRD), is a permanent loss of kidney function that occurs gradually over a period of months to years. It is defined as a glomerular filtration rate (GFR) of less than 15 ml/min, which means the kidneys are filtering waste and excess fluids at less than 15% of their normal capacity.

CKD can be caused by various underlying conditions such as diabetes, hypertension, glomerulonephritis, polycystic kidney disease, and recurrent kidney infections. Over time, the damage to the kidneys can lead to a buildup of waste products and fluids in the body, which can cause a range of symptoms including fatigue, weakness, shortness of breath, nausea, vomiting, and confusion.

Treatment for chronic kidney failure typically involves managing the underlying condition, making lifestyle changes such as following a healthy diet, and receiving supportive care such as dialysis or a kidney transplant to replace lost kidney function.

I'm sorry for any confusion, but "Romania" is not a medical term. It is a country located in southeastern Europe. If you have any questions about medical terminology or health-related topics, I would be happy to help. Could you please clarify your question?

Nutrition disorders refer to conditions that result from eating, drinking, or absorbing nutrients in a way that is not consistent with human physiological needs. These disorders can manifest as both undernutrition and overnutrition. Undernutrition includes disorders such as protein-energy malnutrition, vitamin deficiencies, and mineral deficiencies, while overnutrition includes conditions such as obesity and diet-related noncommunicable diseases like diabetes, cardiovascular disease, and certain types of cancer.

Malnutrition is the broad term used to describe a state in which a person's nutrient intake is insufficient or excessive, leading to negative consequences for their health. Malnutrition can be caused by a variety of factors, including poverty, food insecurity, lack of education, cultural practices, and chronic diseases.

In addition to under- and overnutrition, disordered eating patterns such as anorexia nervosa, bulimia nervosa, binge eating disorder, and other specified feeding or eating disorders can also be considered nutrition disorders. These conditions are characterized by abnormal eating habits that can lead to serious health consequences, including malnutrition, organ damage, and mental health problems.

Overall, nutrition disorders are complex conditions that can have significant impacts on a person's physical and mental health. They require careful assessment, diagnosis, and treatment by healthcare professionals with expertise in nutrition and dietetics.

Renal dialysis is a medical procedure that is used to artificially remove waste products, toxins, and excess fluids from the blood when the kidneys are no longer able to perform these functions effectively. This process is also known as hemodialysis.

During renal dialysis, the patient's blood is circulated through a special machine called a dialyzer or an artificial kidney, which contains a semi-permeable membrane that filters out waste products and excess fluids from the blood. The cleaned blood is then returned to the patient's body.

Renal dialysis is typically recommended for patients with advanced kidney disease or kidney failure, such as those with end-stage renal disease (ESRD). It is a life-sustaining treatment that helps to maintain the balance of fluids and electrolytes in the body, prevent the buildup of waste products and toxins, and control blood pressure.

There are two main types of renal dialysis: hemodialysis and peritoneal dialysis. Hemodialysis is the most common type and involves using a dialyzer to filter the blood outside the body. Peritoneal dialysis, on the other hand, involves placing a catheter in the abdomen and using the lining of the abdomen (peritoneum) as a natural filter to remove waste products and excess fluids from the body.

Overall, renal dialysis is an essential treatment option for patients with kidney failure, helping them to maintain their quality of life and prolong their survival.

Pleural effusion is a medical condition characterized by the abnormal accumulation of fluid in the pleural space, which is the thin, fluid-filled space that surrounds the lungs and lines the inside of the chest wall. This space typically contains a small amount of fluid to allow for smooth movement of the lungs during breathing. However, when an excessive amount of fluid accumulates, it can cause symptoms such as shortness of breath, coughing, and chest pain.

Pleural effusions can be caused by various underlying medical conditions, including pneumonia, heart failure, cancer, pulmonary embolism, and autoimmune disorders. The fluid that accumulates in the pleural space can be transudative or exudative, depending on the cause of the effusion. Transudative effusions are caused by increased pressure in the blood vessels or decreased protein levels in the blood, while exudative effusions are caused by inflammation, infection, or cancer.

Diagnosis of pleural effusion typically involves a physical examination, chest X-ray, and analysis of the fluid in the pleural space. Treatment depends on the underlying cause of the effusion and may include medications, drainage of the fluid, or surgery.

Peritoneal dialysis is a type of renal replacement therapy used to treat patients with severe kidney dysfunction or end-stage renal disease. It is a process that utilizes the peritoneum, a membranous sac lining the abdominal cavity, as a natural semipermeable membrane for filtering waste products, excess fluids, and electrolytes from the bloodstream.

In peritoneal dialysis, a sterile dialysate solution is infused into the peritoneal cavity via a permanently implanted catheter. The dialysate contains various substances such as glucose or other osmotic agents, electrolytes, and buffer solutions that facilitate the diffusion of waste products and fluids from the blood vessels surrounding the peritoneum into the dialysate.

There are two primary types of peritoneal dialysis: continuous ambulatory peritoneal dialysis (CAPD) and automated peritoneal dialysis (APD). CAPD is performed manually, several times a day, while APD is carried out using a cycler machine overnight.

Peritoneal dialysis offers certain advantages over hemodialysis, such as better preservation of residual renal function, fewer dietary restrictions, and greater flexibility in scheduling treatments. However, it also has potential complications, including peritonitis (inflammation of the peritoneum), catheter-related infections, fluid imbalances, and membrane failure over time.

Nutritional status is a concept that refers to the condition of an individual in relation to their nutrient intake, absorption, metabolism, and excretion. It encompasses various aspects such as body weight, muscle mass, fat distribution, presence of any deficiencies or excesses of specific nutrients, and overall health status.

A comprehensive assessment of nutritional status typically includes a review of dietary intake, anthropometric measurements (such as height, weight, waist circumference, blood pressure), laboratory tests (such as serum albumin, total protein, cholesterol levels, vitamin and mineral levels), and clinical evaluation for signs of malnutrition or overnutrition.

Malnutrition can result from inadequate intake or absorption of nutrients, increased nutrient requirements due to illness or injury, or excessive loss of nutrients due to medical conditions. On the other hand, overnutrition can lead to obesity and related health problems such as diabetes, cardiovascular disease, and certain types of cancer.

Therefore, maintaining a good nutritional status is essential for overall health and well-being, and it is an important consideration in the prevention, diagnosis, and treatment of various medical conditions.

Medical Definition:

"Risk factors" are any attribute, characteristic or exposure of an individual that increases the likelihood of developing a disease or injury. They can be divided into modifiable and non-modifiable risk factors. Modifiable risk factors are those that can be changed through lifestyle choices or medical treatment, while non-modifiable risk factors are inherent traits such as age, gender, or genetic predisposition. Examples of modifiable risk factors include smoking, alcohol consumption, physical inactivity, and unhealthy diet, while non-modifiable risk factors include age, sex, and family history. It is important to note that having a risk factor does not guarantee that a person will develop the disease, but rather indicates an increased susceptibility.

Treatment outcome is a term used to describe the result or effect of medical treatment on a patient's health status. It can be measured in various ways, such as through symptoms improvement, disease remission, reduced disability, improved quality of life, or survival rates. The treatment outcome helps healthcare providers evaluate the effectiveness of a particular treatment plan and make informed decisions about future care. It is also used in clinical research to compare the efficacy of different treatments and improve patient care.

There is no medical definition for "dog diseases" as it is too broad a term. However, dogs can suffer from various health conditions and illnesses that are specific to their species or similar to those found in humans. Some common categories of dog diseases include:

1. Infectious Diseases: These are caused by viruses, bacteria, fungi, or parasites. Examples include distemper, parvovirus, kennel cough, Lyme disease, and heartworms.
2. Hereditary/Genetic Disorders: Some dogs may inherit certain genetic disorders from their parents. Examples include hip dysplasia, elbow dysplasia, progressive retinal atrophy (PRA), and degenerative myelopathy.
3. Age-Related Diseases: As dogs age, they become more susceptible to various health issues. Common age-related diseases in dogs include arthritis, dental disease, cancer, and cognitive dysfunction syndrome (CDS).
4. Nutritional Disorders: Malnutrition or improper feeding can lead to various health problems in dogs. Examples include obesity, malnutrition, and vitamin deficiencies.
5. Environmental Diseases: These are caused by exposure to environmental factors such as toxins, allergens, or extreme temperatures. Examples include heatstroke, frostbite, and toxicities from ingesting harmful substances.
6. Neurological Disorders: Dogs can suffer from various neurological conditions that affect their nervous system. Examples include epilepsy, intervertebral disc disease (IVDD), and vestibular disease.
7. Behavioral Disorders: Some dogs may develop behavioral issues due to various factors such as anxiety, fear, or aggression. Examples include separation anxiety, noise phobias, and resource guarding.

It's important to note that regular veterinary care, proper nutrition, exercise, and preventative measures can help reduce the risk of many dog diseases.

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