Loading...
*  Urodynamic Studies for Urinary Incontinence: Overview, Patient Selection for Urodynamic Studies, Test Components
Postvoid Residual Volume Determination. High postvoid residual (PVR) urine volumes in males often indicate prostate-related ... Patients with low flow rates may be at risk for prolonged catheterization. In one study, 38% of the patients with abnormal ... Many urodynamics centers use provocative maneuvers consisting of common triggers for bladder contractions in an attempt to ... Bladder volume has been shown to be related inversely to leak-point pressure, even at 100-300 mL volumes. Most protocols call ...
  https://emedicine.medscape.com/article/1988665-overview
*  Changing concepts in anaesthesia for day care surgery
The patients are allowed clear liquids up to 2 hours before surgery, without increasing residual gastric volume. Administration ... Certain disorders such as undiagnosed OSA may be relatively common in an ambulatory surgical population as these patients ... resulting in lower residual gastric volumes.[3] ... ASA grade I patients, patients with a larger body mass index ( ... who ideally will continue overnight supervision of patients' recovery and patients should also have ready access to healthcare ...
  http://pubmedcentralcanada.ca/pmcc/articles/PMC3016566/
*  The Impact of Diabetes Type 2 in the Pathogenesis of Benign Prostatic Hyperplasia: A Review
... and increased post void residual urine volume) characterizing diabetic cystopathy is also common in BPH. Similarly, frequency ... They showed that patients with lower urinary tract symptoms (LUTSs) and DM-2 had larger prostate volumes than patients with ... To our knowledge, these very symptoms are more common among diabetic patients, with 39%-61% of them having some degree of ... who found considerably higher annual rates of increase in the volume of the transient area diabetics against the patients with ...
  https://www.hindawi.com/journals/au/2009/818965/
*  Functional residual capacity - Wikipedia
American Review of Respiratory Disease, Volume 123, pp.659-664, 1981. P.H. Quanjer. Lung Volumes and Forced Ventilatory Flows. ... The helium dilution technique and pulmonary plethysmograph are two common ways of measuring the functional residual capacity of ... Obese patients will have a lower FRC in the supine position due to the added tissue weight opposing the outward recoil of the ... FRC is the sum of Expiratory Reserve Volume (ERV) and Residual Volume (RV) and measures approximately 2400 mL in an 80 kg, ...
  https://en.wikipedia.org/wiki/Functional_residual_capacity
*  Laparoscopic Physiologic Perturbations: Implications for At-Risk Patients - The 3rd Edition: Prevention & Management
Stroke Volume Of 12 human investigations providing CDP stroke volume results relative to postanesthesia induction values, 9 ... The literature suggests that an increase in heart rate is relatively common and that cardiac dysrhythmias or cardiac arrest may ... However, cardiac preload volume may increase, decrease, or remain stable during CDP. It is likely that CVP and PAOP values do ... These changes are typically insignificant in healthy patients; however, they may have severe consequences in those with at-risk ...
  http://laparoscopy.blogs.com/prevention_management_3/2010/07/laparoscopic-physiologic-perturbations-implications-for-atrisk-patients.html
*  The Effect of Voiding Position on Uroflowmetric Parameters in Healthy Young Men
Unsal A, Cimentepe E. Effect of voiding position on uroflowmetric parameters and post-void residual urine volume in patients ... We excluded measurements from voided urine volumes greater than 450 mL to prevent a significant impact of volume on results. ... these actions have common innervations from S2 to S4 [1]. ... This has been emphasized in our previous study of patients with ... Unsal A, Cimentepe E. Voiding position does not affect uroflowmetric parameters and post-void residual urine volume in healthy ...
  https://www.urotoday.com/volume-4-2011/vol-4-issue-3/48849-the-effect-of-voiding-position-on-uroflowmetric-parameters-in-healthy-young-men.html
*  T1 vs. T2 weighted magnetic resonance imaging to assess total kidney volume in patients with autosomal dominant polycystic...
Purpose In ADPKD patients total kidney volume (TKV) measurement using MRI is performed to predict rate of disease progression. ... Measuring kidney volume on T1 and T2 weighted images. Kidney volumes were measured on the coronal T2 single-shot fast spin-echo ... due to hyperfiltration of residual nephrons [4]. Measurement of total kidney volume (TKV) has been shown to be a reliable ... Autosomal Dominant Polycystic Kidney Disease (ADPKD) is the most common hereditary renal disease, with a prevalence of 3-4 per ...
  https://link.springer.com/article/10.1007/s00261-017-1285-2
*  Global Library of Women's Medicine - Preoperative Management - DOI 10.3843/GLOWM.10035
9 Residual volume, functional residual capacity, vital capacity, and expiratory reserve volume all are decreased ... Increased antidiuretic hormone secretion is also common. As a result, patients can exhibit mild elevation of blood pressure or ... Pulmonary volumes can undergo changes as a result of operative procedures. Mean arterial oxygen tension (PaO2) decreases from a ... Patients who are of advanced age, patients who are diabetic, patients with underlying renal deficiency, and patients who are ...
  http://editorial.glowm.com/?p=glowm.cml/section_view&articleid=35
*  Glomerular filtration rate affects interpretation of pulmonary function test in a Korean general population: results from the...
TLC and residual lung volume are sometimes not measured, but a restrictive abnormality may be suspected when the FVC is reduced ... are common in CKD patients [7]. These conditions alter pulmonary function, reducing the FVCs of those with restrictive ... As few data on postbronchodilator spirometric parameters or lung volumes were available, we used only FEV1, FVC, and the FEV1/ ... Obstructive abnormalities have also been reported in CKD patients; however, in patients with CKD, reductions in FEV1 are ...
  http://www.kjim.org/journal/view.php?number=169637
*  Ongoing airway inflammation in patients with COPD who do not currently smoke | Thorax
The volume of the whole sputum sample was determined and an equal volume of dithiothreitol 0.1% (Sputolysin; Calbiochem, La ... negative skin tests to 18 common aeroallergens (ALK, Groningen, The Netherlands), and negative specific serum IgE for 11 common ... 1993) Lung volumes and forced ventilatory flows. Eur Respir J 6:5-40, . ... 1.64 residual standard deviation21 and an increase in FEV1 predicted of ,10% after inhalation of 1 mg terbutaline via a ...
  http://thorax.bmj.com/content/55/1/12
*  Diffuse idiopathic pulmonary neuroendocrine cell hyperplasia - Wikipedia
Air trapping is common and leads to increased residual volumes. As the disease progresses, a mixed pattern of obstruction and ... About 20% of DIPNECH patients are symptom free at the time they first present. The most common symptoms include: Chronic cough ... increased residual volume, increased total lung capacity, fixed obstruction, low diffusing capacity of the lung for carbon ... Some patients have been treated with somatostatin analogs. Although the cough associated with DIPNECH tends to diminish on this ...
  https://en.wikipedia.org/wiki/Diffuse_idiopathic_pulmonary_neuroendocrine_cell_hyperplasia
*  Underactive bladder - Wikipedia
... to assess voided volumes and frequency of voiding) and a post-void residual volume would be valuable information. ... With UAB, it is common for patients to utilize a urinary catheter to void. Surgical options are also options, with a cuff or ... normal or large storage volumes, elevated post-void residual volume), or can result from a sense of incomplete emptying of a ... hypersensitive bladder (small storage volumes, normal or elevated postvoid residual volume). UAB potentially might also result ...
  https://en.wikipedia.org/wiki/Underactive_bladder
*  Urinary retention - Wikipedia
Measurements should have a PVR (post-void residual) volume of >300mL. Determining the serum prostate-specific antigen (PSA) may ... Urinary retention is a common disorder in elderly males. The most common cause of urinary retention is BPH. This disorder ... Patients can be taught to use a self catheterization technique in one simple demonstration, and that reduces the rate of ... urine volumes >300mL can be used as an informal indicator. Diagnosis of urinary retention is conducted over a period of 6 ...
  https://en.wikipedia.org/wiki/Urinary_retention
*  Lymphangioleiomyomatosis - Wikipedia
In one study ventilation-perfusion scans were abnormal in 34 of 35 LAM patients. The most common abnormality was nonspecific ... The average residual volume was 125% of predicted when measured by plethysmography, but was only 103% of predicted determined ... Preservation of lung volumes in the presence of increased interstitial markings is a radiographic hallmark of LAM that helps ... of patients with TSC-LAM. Hepatic AMLs were present in 2% of patients with S-LAM and 33% of patients with TSC-LAM. Ascites was ...
  https://en.wikipedia.org/wiki/Lymphangioleiomyomatosis
*  Urodynamic testing - Wikipedia
What is done depends on what the presenting problem is, but some of the common tests conducted are; Post-void residual volume: ... The urine volume is measured (this shows how efficiently the bladder empties). High volumes (180 ml) may be associated with ... In some of these patients (dependent on the level of the lesion), the micturition reflex can be essentially out of control and ... A volume of greater than 50 ml in children has been described as constituting post-void residual urine. High levels can be ...
  https://en.wikipedia.org/wiki/Urodynamic_testing
*  Liquid breathing - Wikipedia
... is a technique in which a PFC is instilled into the lung to a volume approximating functional residual capacity (approximately ... In theory, liquid breathing could assist in the treatment of patients with severe pulmonary or cardiac trauma, especially in ... The physical properties of PFC liquids vary substantially; however, the one common property is their high solubility for ... most fluorocarbon liquids require about 70 mL/kg minute-ventilation volumes of liquid (about 5 L/min for a 70 kg adult) to ...
  https://en.wikipedia.org/wiki/Liquid_breathing
*  Mechanical ventilation - Wikipedia
Its main use is in patients with neuromuscular disorders that have some residual muscular function. However, it was prone to ... Ventilation with lower Tidal volumes as compared with traditional tidal volumes for acute lung injury and the acute respiratory ... static airway pressure-volume curve. In such patients, some experts recommend limiting PEEP to low levels (~10cmH2O). In ... patients with little muscular reserve. Mouthpiece - Less common interface, does not provide protection against aspiration. ...
  https://en.wikipedia.org/wiki/Mechanical_ventilation
*  Acute respiratory distress syndrome - Wikipedia
It is common to see patients with a PaO 2 of 60 mmHg (8.0 kPa) despite mechanical ventilation with 100% inspired oxygen. The ... published a paper showing substantial improvement in the outcome of patients ventilated with lower tidal volumes (Vt) (6 mL·kg− ... to define the minimum PEEP to be applied to their patients. Some new ventilators can automatically plot a pressure-volume curve ... functional residual capacity), a positive effect on cardiac output (due to the negative inflection from the elevated baseline ...
  https://en.wikipedia.org/wiki/Acute_respiratory_distress_syndrome
*  Radioactive contamination - Wikipedia
The residual radioactive contamination on the surface is significantly reduced once the strippable coating is removed. Modern ... Where material is likely to become airborne, then extensive use is made of the glovebox, which is a common technique in ... Radioactive contamination may exist on surfaces or in volumes of material or air, and specialist techniques are used to measure ... from low level waste could also dramatically decrease the volume of waste requiring special disposal. A goal is to find ...
  https://en.wikipedia.org/wiki/Radioactive_contamination