Catheter brachiocephalic veins. Medical search. Frequent questions

Hamdi K, Khelifa H, Foidart P, Bulpa P, Ali D, Michaux I (2021) Mediastinal malposition of a catheter enhanced by an unusual stenosis of the left brachiocephalic vein due to a former long-term haemodialysis catheter: A Case report. (acquaintpublications.com)
We report a rare, potentially sight-threatening ocular complication due to central venous stenosis related to a previous site of haemodialysis catheter. (bmj.com)
An endovascular percutaneous transluminal balloon angioplasty was performed for the left brachiocephalic vein stenosis, which resolved the orbital, facial and neck venous congestion. (bmj.com)
50% lesion (stenosis or occlusion) in one of the following central veins of the chest: inferior and superior vena cava, brachiocephalic vein (BCV), subclavian vein (SCV), or internal jugular vein (IJV) [ 1 ]. (neurointervention.org)
Ultrasonographic investigation of the neck may demonstrate multiple small collateral vessels instead of a single large jugular vein, which usually indicates a stenosis or occlusion of the main vein. (medscape.com)
The subclavian vein may be less preferred for stiff catheters (because of difficulty achieving the sharp turn into the superior van cava) or large-bore hemodialysis catheters (which can cause venous stenosis that renders the ipsilateral arm unsuitable for arteriovenous shunt placement). (merckmanuals.com)
Central venous catheter malpositioning can be caused by congenital anatomic variants, difficult body habitus, acquired vein stenosis, poor operator technique or bad luck. (hospitalprocedures.org)
Additionally, acquired venous anatomical changes can occur from a dominant supreme intercostal vein drainage to the hemiazygous vein or venous compression/stenosis from prior surgery, radiation, prior central lines, compression due to malignancy or benign masses or partial thrombosis of a vein that can alter venous resistance to normal blood flow. (hospitalprocedures.org)
Lead-related central vein stenosis articles. (fortunejournals.com)
Central venous stenosis (CVS), defined as stenosis in the brachiocephalic, subclavian or superior cava vein is associated with symptoms such as edema and pain in the ipsilateral extremity, and may result, specifically in hemodialysis patients, in a compromised usability of their arteriovenous access [9-12]. (fortunejournals.com)

Paget-Schroetter disease (which evolved from a venous thoracic outlet syndrome) is a form of upper extremity deep vein thrombosis (DVT), a medical condition in which blood clots form in the deep veins of the arms. (wikipedia.org)
It is differentiated from secondary causes of upper extremity thrombosis caused by intravascular catheters. (wikipedia.org)
Paget-Schroetter syndrome was described once for a viola player who suddenly increased practice time 10-fold, creating enough repetitive pressure against the brachiocephalic and external jugular veins to cause thrombosis. (wikipedia.org)
James Paget first proposed the idea of venous thrombosis causing upper extremity pain and swelling, and Leopold von Schrötter later linked the clinical syndrome to thrombosis of the axillary and subclavian veins. (wikipedia.org)
Catheter-associated thrombosis is the most common noninfectious complication of implantable venous access devices and can cause superior vena cava syndrome. (cmaj.ca)
Prophylactic approaches to catheter-associated thrombosis are not recommended, and the use of superior vena cava filters in deep vein thrombosis of the upper extremities should be avoided. (cmaj.ca)
Digital subtraction angiography identified an incomplete thrombosis of the left brachiocephalic vein with retrograde flow in the internal jugular vein, sigmoid sinus, and transverse sinus on the left side. (neurointervention.org)
2] In 75% of patients with secondary thrombosis, hypercoagulability and indwelling central venous catheters are important contributing factors. (medscape.com)
With central venous catheterization, upper extremity and brachiocephalic venous thrombosis has become a more common problem. (medscape.com)
Therefore, in our hospital, to improve graft patency, cases requiring HD immediately after AVG surgery (vascular access occlusion) undergo placement of a tunneled (cuffed) permanent catheter in the internal jugular vein at the time of AVG creation to eliminate preemptive interventions in grafts at risk for thrombosis, hematoma, and infection. (biomedcentral.com)
The catheter was placed for 44 days with no evidence of thrombosis or catheter-related bacteremia (CRB). (biomedcentral.com)
A computed tomography (CT) scan showed ischemia of the small intestines as a result of superior mesenteric vein thrombosis. (biomedcentral.com)
If we knew a particular catheter caused infections we would immediately stop using it, the same for great increase in thrombosis or occlusion, is it just about convenience or is patient safety really important? (iv-therapy.net)
There were also significant collaterals through the intercostals and internal mammary veins, but no evidence of intrathoracic mass, adenopathy, or evidence of vein thrombosis. (ctsnet.org)
A condition caused by one or more episodes of DEEP VEIN THROMBOSIS, usually the blood clots are lodged in the legs. (lookformedical.com)
contains anatomically correct vascular anatomy of the right lower torso including the femoral artery and vein, Aorta, IVC, Common Iliac Artery and Vein, Internal Iliac Artery and Vein, Great Saphenous Vein, Simulated DVT (Deep Vein Thrombosis) in the lower Left Femoral Vein. (alphacenturysimulations.com)

Venogram of the right upper extremity shows a hemodynamically significant, notchlike stenotic defect in the subclavian vein with the patient's arm in the neutral position. (medscape.com)
This image follows a 16-hour catheter-directed thrombolytic infusion of tissue-type plasminogen activator (tPA) into the left axillo-subclavian vein. (medscape.com)
During the stent deployment, an intraoperative venogram demonstrated normal internal jugular vein refluxing to the external jugular vein with additional refluxing to the brachiocephalic and right subclavian vein, which were both noted to be highly diseased. (ctsnet.org)
Supraclavicular subclavian vein catheterization: Modified landmarks for needle insertion. (asianinstituteofresearch.org)
Supraclavicular Approach Is an Easy and Safe Method of Subclavian Vein Catheterization Even in Mechanically Ventilated Patients. (asianinstituteofresearch.org)
Ultrasound-guided cannulation of the subclavian vein uses real-time (dynamic) ultrasound to guide venipuncture and a guidewire (Seldinger technique) to thread a central venous catheter through the subclavian vein and into the superior vena cava. (merckmanuals.com)
Using ultrasound guidance to approach the subclavian vein infraclavicularly requires that the axillary vein (distal continuance of the subclavian vein) is imaged and cannulated because the clavicle blocks ultrasound imaging of the proximal vein. (merckmanuals.com)
How To Do Infraclavicular Subclavian Vein Cannulation Percutaneous cannulation of the subclavian vein uses anatomic landmarks to guide venipuncture and a Seldinger technique to thread a central venous catheter through the subclavian vein and into. (merckmanuals.com)
or a left subclavian vein cannulation typically is preferred. (merckmanuals.com)
1] This was presumed to be from the presence of the long left brachiocephalic vein and the presence of small tributaries (left supreme intercostal vein) which can more easily allow the wire to travel into the left subclavian vein, the left supreme intercostal vein or into a persistent left superior vena cava (congenital anomaly). (hospitalprocedures.org)

Although routine chest radiographs to verify correct central venous catheter (CVC) position and exclude pneumothorax are commonly performed, bedside ultrasonography avoids radiation while verifying correct placement and lack of pneumothorax without delay. (medscape.com)
In a population-based retrospective cohort study performed to review the records of 6,875 adult patients who had ultrasound-guided CVC placement in the operating room, the overall incidence of pneumothorax and catheter misplacement was 0.33% (95% CI, 0.22-0.5) (23 patients) and 1.91% (95% CI, 1.61-2.26) (131 patients), respectively. (medscape.com)
Tunneled catheters, port placement, and other forms of complicated venous access may require intravenous pain medications and/or moderate conscious sedation, which most interventionalists are capable of providing in the IR suite. (medscape.com)
After catheter placement is complete and patency is well established, the animal is rolled back into sternal recumbancy. (vin.com)
The patients underwent placement of a tunneled permanent catheter for temporary vascular access in AVG creation. (biomedcentral.com)
We performed a retrospective analysis of the placement of a tunneled permanent catheter as temporary vascular access in AVG creation for long-term patency. (biomedcentral.com)
However, the reconstructed AVF became occluded again, and we decided to perform brachial-basilic AVG in the right forearm (because of the narrow vascular diameter) with placement of a tunneled permanent catheter (because of the immediate initiation of HD). (biomedcentral.com)
This approach also allows the placement of relatively large catheters in very small infants³. (vascufirst.com)
Most IR suites are equipped with dedicated ultrasonography machines, or ultrasonography equipment is readily available and can be used to evaluate the site of planned vascular access before catheter placement (see the images below). (medscape.com)
Postoperative routine radiographic imaging for catheter placement showed the CVC in abnormal position (Fig. 1 ). (biomedcentral.com)
Additional pertinent past medical history includes placement of subcutaneous central catheters/ports on multiple occasions for delivery of immunoglobulin therapy as well as a history of venous thromboses of the lower extremities with documented bilateral pulmonary emboli requiring anticoagulation and eventually an inferior vena cava (IVC) filter. (ctsnet.org)
Objective To describe our experience with very distal placement of the Neuron 6 F 0.053 inch inner luminal diameter guide catheter (Penumbra Inc, San Leandro, California, USA) within the intracranial and extracranial vasculature to allow treatment of various neurovascular pathologies. (bmj.com)
The routine placement of a guide catheter above the level of the skull base was previously thought to be not possible without causing significant complications. (bmj.com)
Visualizing catheter placement. (sandor.co.in)
In this video, published by GaVeCelt on their YouTube channel, they show an umbilical venous catheter placement in the newborn and how to do tip location by ultrasound. (neonat.org)
And children populations, extremities inspect each extremity for symmetry of nipple placement and farmacia viagra caja cuesta cunto una de en la is being treated with oral doxycycline. (lowerbricktown.com)

Codes are assigned for CVC when the entry site is the jugular, subclavian, femoral vein, or inferior vena cava and for a PICC when the entry site is the basilic, cephalic, or saphenous vein. (aceanesthesiapain.com)
the inferior mesenteric vein empties into the splenic vein, the superior mesenteric vein joins the splenic vein to form the portal vein. (lookformedical.com)
A vein on either side of the body which is formed by the union of the external and internal iliac veins and passes upward to join with its fellow of the opposite side to form the inferior vena cava. (lookformedical.com)
These pathways in superior vena cava obstruction have been well described ( 2 - 5 ) and include the azygous and hemiazygous, superior and inferior intercostal, internal mammary, lateral thoracic, epigastric, and vertebral veins. (snmjournals.org)
A malpositioned central line is any central venous catheter where the tip is located anywhere other than the superior vena cava (SVC) for internal jugular lines or subclavian lines or a location other than the inferior vena cava (IVC) in femoral lines. (hospitalprocedures.org)
The following are considered great vessels for the purpose of reporting central line infections and counting central line days: aorta, pulmonary artery, superior vena cava, inferior vena cava, brachiocephalic veins, internal jugular veins, subclavian veins, external iliac veins, and common femoral veins. (virginia.gov)

The study concluded that because pneumothorax and catheter misplacement after ultrasound-guided CVC insertion were rare, the high costs of routine postprocedural chest radiographs were not justified. (medscape.com)
For central venous pressure monitoring, venous blood collection, and intravenous fluid and drug administration, a 5-French, 60 cm, polyurethane catheter (Instech Laboratories, Plymouth Meeting, PA) is placed in the brachiocephalic vein using a percutaneous, ultrasound-guided, through the needle technique. (vin.com)
As for adults, recommendations from learned societies have made the use of ultrasound mandatory, with one preferred approach in pediatrics: access through the brachiocephalic veins via a supraclavicular ultrasound-guided approach. (vascufirst.com)
An ultrasound-guided supraclavicular approach of the brachiocephalic vein should probably be preferred for central venous catheter insertion in infants and children, except in neonatology, to decrease the number of attempted cannulations and the immediate mechanical complications. (vascufirst.com)
A Retrospective Analysis of the Clinical Effectiveness of Supraclavicular, Ultrasound-guided Brachiocephalic Vein Cannulations in Preterm Infants. (vascufirst.com)
This narrative review describes the main applications of de la ultrasonografía en ultrasound in anesthesia, ultrasound-guided techniques, and current trends in the perioperative anesthetic management of anestesia the surgical patient. (bvsalud.org)
This case study presents an ultrasound guided central vein cannulation using supraclavicular approach in 30 year old male patient diagnosed with septic shock, anemia, trombcytopenia, and electrolyte imbalance post laparotomy. (asianinstituteofresearch.org)
learners can practice performing full venous catheterization using ultrasound-guided or blind/landmark insertion approaches at the subclavian, supraclavicular, and internal jugular vein sites. (sandor.co.in)

A thrombus has propagated peripherally from the tip of the catheter in the superior vena cava into both subclavian veins. (medscape.com)
INTRODUCTION: Central venous catheters (CVCs) and peripherally inserted central catheters (PICCs) may cause delayed complications, such as venous erosion, hydrothorax, or hydromediastinum. (bvsalud.org)
Peripherally inserted central venous catheters are not superior to central venous catheters in the acute care of surgical patients on the ward. (asianinstituteofresearch.org)

In the past, IR was involved in the fluoroscopic evaluation of occluded catheters, the repositioning of misplaced catheters, or the percutaneous retrieval of lost catheter fragments. (medscape.com)
She needed to maintain vein patency with repeated percutaneous venous angioplasty (PTA). (biomedcentral.com)
Most patients' needs for IV fluid and drugs can be met with a percutaneous peripheral venous catheter. (merckmanuals.com)

Achieving traditional central venous access by using the jugular, subclavian, or femoral veins or by using surface landmarks may be sufficient in many patients. (medscape.com)

We are reporting the case of a mediastinal malposition of a hemodialysis catheter with perforation of the left proximal brachiocephalic vein caused by a downstream venous obstruction. (acquaintpublications.com)
That obstruction was revealed on the chest CT scan by an opacity along the left innominate vein suggesting the calcification of either a catheter cast or a thrombus due to a former long-term subclavian hemodialysis catheter removed a few days earlier. (acquaintpublications.com)
This is the story of a 44-year-old man, with a history of chronic hemodialysis, presenting to the emergency department because of fever, shivering, and asthenia following 3 days of purulent discharge at the puncture site of a left subclavian tunneled catheter. (acquaintpublications.com)
That catheter was positioned eight years earlier in the context of hemodialysis for chronic renal failure following vesicoureteral reflux. (acquaintpublications.com)
Long-term hemodialysis typically necessitates vascular access in the upper extremity, either through an arteriovenous fistula (AVF) or an arteriovenous graft (AVG). Central venous catheters can also provide vascular access for patients undergoing hemodialysis, but these devices are associated with a substantial risk of infection, which increases morbidity and mortality. (e-ultrasonography.org)
AVFs are the preferred method for hemodialysis vascular access, compared to AVGs and central venous catheters. (e-ultrasonography.org)

The most common complications of central line insertion are pneumothorax and catheter malposition. (acquaintpublications.com)
The main mechanisms responsible for a venous perforation by a catheter moving out of the intravascular bed (Figure.1) , are a too gruff dilatation or even a dilatation on a guide twisting, often resulting in an inadequately oriented insertion. (acquaintpublications.com)
There was a very literal approach to USG for vessels, looking for documentation of vessel patency and currently requiring documentation to include the catheter tip terminus, in addition to the vessel insertion site, for Central Venous Catheters. (aceanesthesiapain.com)
Supraclavicular approach of central venous catheter insertion in critical patients in emergency settings: Re-visited. (asianinstituteofresearch.org)
If a subclavian line is being performed, have the patient turn their neck in the direction of the insertion site to partially compress the ipsilateral IJ vein to decrease the chance the wire flows up the ipsilateral IJ. (hospitalprocedures.org)

A computed tomography (CT) chest scan with contrast showed no pulmonary embolism and confirmed thrombus within the lumen of the right internal jugular vein. (cmaj.ca)
Pulmonary Artery Catheter (PAC) Monitoring Some monitoring of critical care patients depends on direct observation and physical examination and is intermittent, with the frequency depending on the patient's illness. (merckmanuals.com)
Partial anomalous pulmonary venous return (PAPVR) is an uncommon adult congenital heart disease caused by an abnormal return of one or more, but not all, of the pulmonary veins to the right atrium or indirectly through venous connections from the anomalous pulmonary vein. (journalmc.org)

Venous access under ultrasonographic and fluoroscopic guidance has the added advantage of significantly decreasing the rate of immediate complications, such as inadvertent arterial puncture, pneumothorax, and catheter tip malpositioning. (medscape.com)
At the authors' institution, needle guides are not used because, without them, entering the vein freehand while scanning in the horizontal plane and keeping the adjacent artery in view at all times is easier and prevents inadvertent arterial puncture. (medscape.com)
Peripheral arterial catheter: A catheter usually inserted in radial artery and can also be placed in femoral, axillary, brachial, posterior tibial arteries. (hisindia.net)

Umbilical catheter: A vascular catheter inserted through the umbilical artery or vein in a neonate. (hisindia.net)
These pathways drain through either the umbilical or the paraumbilical veins, which shunt mostly into the left main branch of the portal vein and result in visualization of the left hepatic lobe. (snmjournals.org)

Simultaneously the left saphenous vein, from inguinal canal to the ankle, was harvested endoscopically (Figure 4) . (ctsnet.org)
Chiu and colleagues ingeniously devised the new method by harvesting autologous saphenous vein, opening the vessel longitudinally, wrapping it in spiral fashion around a temporary tubular stent such as a chest tube, and then running a monofilament suture to construct the tube graft. (ctsnet.org)

Peripheral Vein Catheterization A number of procedures are used to gain vascular access. (merckmanuals.com)

Doty, et al, have reported on their experience of SVC bypass using the spiral vein graft and demonstrated excellent long-term patency rates (87.5% patency at a mean of 10.9 years) [3]. (ctsnet.org)

Photographs of the head and upper chest of a 53-year-old man with catheter-associated superior vena cava syndrome, showing (A) facial and neck plethora, and (B) a prominent superficial venous pattern on the chest. (cmaj.ca)
The superior vena cava (SVC) appeared almost completely occluded immediately above the right atrium distal to the catheter tip, with extensive venous collaterals in the mediastinum, suggestive of SVC syndrome ( Figure 2 ). (cmaj.ca)
An MRA was obtained which demonstrated complete obstruction of the superior vena cava below the brachiocephalic junction (Figure 1) . (ctsnet.org)
The nearly occlusive thrombus in the superior vena cava extended into the right subclavian, right internal jugular, and left brachiocephalic veins. (snmjournals.org)
Superior vena cava obstructions are usually due to malignancy ( 2 - 4 ) but are also seen infrequently in benign conditions such as inflammation, trauma, coagulopathies, and indwelling catheters with insidious progression allowing various collateral pathways to develop ( 5 ). (snmjournals.org)
Superior Vena Cava (SVC) Endovascular Reconstruction with Implanted Central Venous Catheter Repositioning for Treatment of Malignant SVC Obstruction. (unil.ch)

The lateral approach enables clear and simultaneous visualization of the entire needle and key anatomic structures such as the edge of the lung, the internal jugular vein, and the carotid artery. (csurgeries.com)
These recommendations stem from the observation that internal jugular veins of infants and small children are excessively mobile and elastic, which increases the risk of transfixion and accidental carotid puncture. (vascufirst.com)
Transverse ultrasonogram of the neck demonstrates the jugular vein (Jug) next to the carotid artery (Car). (medscape.com)
Variations in the anatomical relationship between the common carotid artery and the internal jugular vein. (asianinstituteofresearch.org)
Results The Neuron 6 F 0.053 inch inner luminal diameter delivery catheter (Penumbra) was placed in a very distal location within the internal carotid artery, external carotid artery and venous system enabling successful endovascular treatment of the intracranial pathology with no related neurological complications. (bmj.com)
An AVG is a prosthetic conduit consisting of polytetrafluoroethylene or a bovine carotid artery graft, placed under the skin to establish a communication between an artery and a vein. (e-ultrasonography.org)

Supraclavicular approach of central vein cannulation is an alternative approach to central vein cannulation due to fewer anatomical variance, good longitudinal vein view, better visualization of needle during procedure, clear demarcation of landmarks, larger target area, better patient comfort, and fewer complications. (asianinstituteofresearch.org)
There were no complications related to the distal position of the guide catheter. (bmj.com)

The catheterization of a central vein is a routine invasive procedure in medicine. (acquaintpublications.com)
Since its introduction in clinical practice in 1945, catheterization of a central vein has become a routine invasive procedure, especially in acute medicine, but not without risk. (acquaintpublications.com)

The vein graft was left on the end of the cannulae and using a parachute technique an end-to-end anastomosis was first created in the distal SVC at the confluence of the right internal jugular and subclavian veins. (ctsnet.org)
The flexibility in the distal end of this guide catheter allows it to negotiate very tortuous vascular anatomy. (bmj.com)

The attending anesthesiologist placed a central venous catheter (CVC) in the right internal jugular vein. (biomedcentral.com)
The CVC was removed, and a new one was placed in the right internal jugular vein. (biomedcentral.com)
The SVC was normal at its junction with the right atrium, but at approximately mid level it was noted to be scarred and atretic to the level of the right internal jugular and right subclavian veins (Figures 2 and 3) . (ctsnet.org)
Massive bleeding from a ruptured right thyrocervical trunk associated with right internal jugular vein puncture. (springeropen.com)

Expert consensus-based clinical practice guidelines management of intravascular catheters in the intensive care unit. (vascufirst.com)

This contrast-enhanced study was obtained through a Mediport placed through the chest wall through the internal jugular vein to facilitate chemotherapy. (medscape.com)
The approach to the internal jugular vein is started adjacent to the clavicle, just lateral to the sternocleidomastoid muscle on the the right side. (csurgeries.com)
Third, in cases of internal jugular occlusion, the lateral approach makes it possible to access the brachiocephalic vein. (csurgeries.com)
The internal jugular veins are probably the most commonly used sites for tunneled catheters. (medscape.com)
However, coagulopathy and the patient's body habitus may limit the use of surface landmarks in obtaining safe access, even in routinely used vessels, such as the internal jugular and subclavian veins. (medscape.com)
During surgery, a CVC was inserted into the left internal jugular vein and the patient was admitted to the ICU again. (biomedcentral.com)
The technique is widely versatile and has been used to replace a number of venous passages of varying sizes including the internal jugular vein, portal vein, renal vein, and common femoral vein [2]. (ctsnet.org)
If the central line is directed retrograde in the internal jugular vein, the infusate is directed towards the brain which can cause obvious adverse effects. (hospitalprocedures.org)

Finally, the supraclavicular approach to brachiocephalic veins makes dressing easier, more stable and more comfortable. (vascufirst.com)

Iliac vein. (lookformedical.com)
it is a continuation of the popliteal vein and becomes the external iliac vein. (lookformedical.com)
A compression of ILIAC VEIN that results in a decreased flow in the vein and in the left LOWER EXTREMITY due to a vascular malformation. (lookformedical.com)
Compression of the left common ILIAC VEIN by the right common ILIAC ARTERY against the underlying fifth LUMBAR VERTEBRA is the typical underlying malformation. (lookformedical.com)

He had marked cyanosis, facial and neck plethora, distended neck veins and engorged superficial chest wall vessels ( Figure 1 ). (cmaj.ca)
Second, the approach allows a gentle curve on the catheter when tunneling, avoiding kinks and avoiding tendency of catheter movement in the tunnel pocket when the neck moves. (csurgeries.com)
Veins in the neck which drain the brain, face, and neck into the brachiocephalic or subclavian veins. (lookformedical.com)
Quick Take: Symptoms: facial/neck edema, Jugular vein distention (JVD), headache. (lavascular.com)

Throughout the procedure, serial blood samples are collected from the brachiocephalic vein, and from other peripheral locations (fluke veins, peduncle, dorsal fin, and hemal arch) for comparison of blood gas data. (vin.com)

The puncture is performed under ultrasound guidance in plane and is aligned with the axis of the vein, so the guide advances very easily, with almost no risk of misdirection. (vascufirst.com)

Central thoracic venogram showed total occlusion on the left brachiocephalic vein with retrograde reflux to the jugular vein. (bmj.com)
We use a tunneled permanent catheter instead of a nontunneled (noncuffed) temporary catheter because nontunneled temporary catheters often require replacement due to catheter-related bacteremia and thrombotic occlusion before the first cannulation. (biomedcentral.com)

Skin breakdown or ulceration caused by VARICOSE VEINS in which there is too much hydrostatic pressure in the superficial venous system of the leg. (lookformedical.com)
Varicose veins are enlarged, twisted veins that are most commonly found in the legs. (lavascular.com)

A short thick vein formed by union of the superior mesenteric vein and the splenic vein. (lookformedical.com)

These DVTs typically occur in the axillary and/or subclavian veins. (wikipedia.org)
1] Upper extremity DVT should be considered in patients with isolated unilateral upper limb swelling and primarily involves the brachial, axillary, and subclavian veins. (medscape.com)
This image demonstrates thrombus in the left subclavian and axillary veins. (medscape.com)
Cannulating the axillary vein may be difficult to do with or without ultrasound guidance, and ultrasound guidance, if available, is mandatory. (merckmanuals.com)
Gross obesity: Because the axillary vein lies deep and the brachial plexus is nearby, cannulate the axillary vein only in thin patients. (merckmanuals.com)

The brachial artery and basilic vein can also be used, but creating this type of AVF requires a second transposition procedure [ 1 ]. (e-ultrasonography.org)

Once such a vein is identified, placing a needle into the thrombosed vessel and advancing a guidewire through the occluded vessel into the central circulation may be possible. (medscape.com)
A couple of other instances we attributed it to a vagal response, possibly to the catheter moving inside the vessel. (iv-therapy.net)
If a central line is positioned in a small tributary vein (e.g., the hemiazygous vein), it should not be used for for hypertonic fluid infusions or at a high flow rate since the CVC is in a smaller vessel. (hospitalprocedures.org)

An ultrasonogram of the upper extremities showed extensive thrombus in the right jugular vein, with minimal residual flow seen on colour Doppler ultrasonography. (cmaj.ca)
The formation or presence of a blood clot (THROMBUS) within a vein. (lookformedical.com)

Given that the diameter of the jugular veins is almost of 5mm in 5kgs infants, the J guide is too wide for the veins, which impedes its progression. (vascufirst.com)

The issues here are that serious reactions are occurring, so serious that airway obstruction is involved in some cases, that multiple catheters are involved and so it is not isolated to just one of the Bard PICCs, it is happening all over the country and are they all being reported through the MedWatch FDA program so we can track occurrences effectively? (iv-therapy.net)
The proximal anastomosis was constructed below the level of the obstruction at the entry area of the azygous vein. (ctsnet.org)
Iatrogenic SVC obstruction contributes to a significant proportion as evidenced by the increasing number of patients exposed to transvenous pacemaker electrodes and central venous catheters. (ctsnet.org)

A minority of the patients (27.5%) had a history of central venous catheters use, ipsilateral to ICD implantation site. (fortunejournals.com)

Customizing the central venous access approach for small children, infants, and newborns is crucial for protecting their delicate veins. (vascufirst.com)
Practicians must carefully choose the appropriate central venous access device, size, ultrasound probe, and vein, while also ensuring accurate positioning of the child. (vascufirst.com)
A central venous access (a.k.a. a central line or a central venous catheter) is a catheter placed into a patient and its tip advanced into a central vein. (medradclinics.com)

Some have also recommended thrombolysis with catheter directed alteplase or mechanical thrombectomy with a large bore catheter and manual aspiration providing definitive intervention with an endovascular approach. (wikipedia.org)
catheter-based angiography can provide concurrent endovascular therapy. (medscape.com)

A malpositioned CVC is important because the central line can be directed opposite to normal venous blood flow and can increase the risk of vein erosion, perforation and catheter wedging. (hospitalprocedures.org)

Fifteen studies with 1,553 central venous catheter placements were identified, with a pooled sensitivity and specificity of catheter malposition by ultrasound of 0.82 (0.77-0.86) and 0.98 (0.97-0.99), respectively. (medscape.com)
The pooled positive and negative likelihood ratios of catheter malposition by ultrasound were 31.12 (14.72-65.78) and 0.25 (0.13-0.47). (medscape.com)

Anatomy9

Diseases2

Analytical, Diagnostic and Therapeutic Techniques and Equipment6

Stenosis10

Thrombosis16

Subclavian vein10

Placement16

Inferior6

Ultrasound-guided8

Peripherally3

Percutaneous3

Femoral veins1

Hemodialysis6

Insertion5

Pulmonary3

Arterial3

Umbilical2

Saphenous vein2

Vascular access1

Patency1

Vena Cava6

Carotid6

Complications2

Catheterization2

Distal2

Right internal jugular4

Intravascular catheters1

Internal8

Supraclavicular approach1

Iliac4

Neck4

Peripheral1

Puncture1

Occlusion2

VARICOSE VEINS2

Superior1

Axillary5

Brachial artery1

Vessel3

Thrombus2

Jugular veins1

Obstruction3

Ipsilateral1

Central venous access3

Endovascular2

Perforation1

Malposition2