PubMed Journals Articles About "Stage Brachial Basilic Transposition Fistula Provides Superior Patency" 
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Showing "stage brachial basilic transposition fistula provides superior patency" PubMed Articles 1–25 of 18,000+
BACKGROUND: Guidelines of the National Kidney Foundation recommending aggressive pursuit of autogenous fistulae for dialysis access in lieu of prosthetic arteriovenous grafts have stimulated a renewed interest in transposed brachial-basilic fistulae as an alternative technique for upper arm access in patients who may not be candidates for a lower arm radial-cephalic or forearm brachial-cephalic fistula. We hypothesized that in our safety-net population, where radial-cephalic and brachial-cephalic often are...
The superiority of autogenous fistulae in patients with end-stage renal disease, performing hemodialysis, is well established and largely accepted. However, in case that superficial veins in the upper arm are not available for fistula construction, brachial vein transposition may be a viable alternative prior to graft placement. This transposition could be done as a primary or staged procedure, depending on the vein size. We present the case of a 63-year-old male patient with a thrombosed arteriovenous graf...
High rate of fistula placement in a cohort of dialysis patients in a single payer system.
Abstract Arteriovenous fistulas (AVFs) are considered superior to arteriovenous grafts and catheters. Nevertheless, AVF prevalence in the United States remains under the established target. The complication rates and financial cost of vascular access continue to rise and disproportionately contribute to the burgeoning health care costs. The relationship between financial incentives for a type of vascular access and rate of access placement is unclear. All chronic hemodialysis patients (n=99) receiving care...
We investigated correlations among the superficial veins, cutaneous nerves, arteries, and venous valves in 128 cadaveric arms in order to choose safe venipuncture sites in the cubital fossa. The running patterns of the superficial veins were classified into four types (I-IV) and two subtypes (a and b). In types I and II, the median cubital vein (MCV) was connected obliquely between the cephalic and basilic veins in an N-shape, while the median antebrachial vein (MAV) opened into the MCV in type I and into t...
Brachial artery aneurysm (BAA) following long-standing arteriovenous fistula ligation after renal transplantation is uncommon. Herein, we describe the case of a 64-year-old man who developed a giant symptomatic BAA 21Â years after ligation of the fistula. He was submitted to surgical excision of the aneurysm followed by interposition prosthetic graft.
Arteriovenous fistula for the 80 years and older patients on hemodialysis: Is it worth it?
Over the last years, the proportion of patients older than 80 years with end-stage renal disease has been constantly growing. Arteriovenous fistula (AVF) is known as the best vascular access for hemodialysis, but evidence for its added value is lacking for elderly. We retrospectively identified new vascular access (AVF and central venous catheter) created or installed between June 2005 and June 2008 in patients 80 years and older and in patients between 50 and 60 years. For every new AVF, we calculated prim...
The middle-arm fistula as a valuable surgical approach in patients with end-stage renal disease.
BACKGROUND:: American and European guidelines recommend the distal radial-cephalic fistula (dRCF) as the first and best hemodialysis access in patients with end-stage renal disease (ESRD). However, this kind of arteriovenous fistula (AVF) shows a limited primary unassisted patency and frequently needs surgical revisions or angiographic procedures, or both. When dRCF is not feasible, guidelines suggest a proximal brachiocephalic AVF. The middle-arm fistula (MAF), or autogenous forearm radial-median direct ac...
Distal artery embolization is a well-known complication after mechanical thrombectomy, manifesting as limb ischemia. We describe a case of ischemia that developed after mechanical thrombectomy and stent placement in the venous anastomosis of a brachio- basilic arterio-venous graft. Subsequent investigations revealed that the stent had extrinsically compressed the adjacent brachial artery. Although balloon angioplasty of the artery initially restored flow, the patient needed surgical removal of the graft and...
Spontaneous vertebral arteriovenous fistula manifestating as radiculopathy.
A 61-year-old man presented with a rare case of spontaneous vertebral arteriovenous fistula manifesting as radiculopathy of the left arm. MRI demonstrated an abnormal dilated vascular space on the left ventral aspect of the spinal canal and compression of the spinal cord and subarachnoid space. MRA disclosed a single high-flow vertebral arteriovenous fistula. Angiography showed a direct high-flow fistula at the C2-3 level between the left vertebral artery and the spinal extradural veinous plexus, and an abn...
The treatment of posttraumatic aneurysms of peripheral arteries using covered stents is increasingly commonplace. We present the case of a 10-year-old girl with a pseudoaneurysm of the subclavian artery complicated by an arteriobronchial fistula with hemorrhaging into the bronchial tree and distal subclavian artery occlusion. Despite the lack of artery patency, endovascular stent graft implantation was successful. Pseudoaneurysm exclusion and involution was achieved, together with a patent implant and maint...
A systematic review of preoperative duplex ultrasonography and arteriovenous fistula formation.
Arteriovenous fistula (AVF) formation for dialysis access is a common procedure. Fistula maturation is unpredictable. Preoperative duplex mapping may increase procedural success. We undertook a systematic review to assess the effect of preoperative duplex mapping on subsequent AVF patency.
True brachial artery aneurysms remain extremely rare and are most commonly related to repetitive blunt trauma. Although operative repair of false aneurysms is well established, management of true aneurysms is varied due to their rarity. We present a true brachial artery aneurysm, in a 55-year old male, which occurred some 22-years following the repair of a post-traumatic false aneurysm. Following arterial duplex and computerised tomography, aneurysectomy with reversed interposition vein graft was performed.
Patients undergoing hemodialysis are known to develop central venous occlusion and exhaust all options for vascular access to upper extremity sites; therefore, creating and maintaining vascular access is paramount in such patients. The present case report describes the condition of a 34-year-old woman with failed upper extremity access, frequent catheter-related issues, and multiple central venous occlusions. As a last resort, access to the lower extremity was pursued as follows: an inferior vena cava bypas...
Gracilis transposition for prostato-rectal fistula.
Anterior transposition of the ulnar nerve with endoscopic assistance.
We treated 20 patients with cubital tunnel syndrome by anterior transposition of the ulnar nerve with endoscopic assistance. Five elbows were classified preoperatively as McGowan's stage 1, 11 as stage 2 and four as stage 3. Excellent outcomes were obtained in nine and good in eight patients. Three patients had fair results. Improvement of symptoms occurred in all patients. There were no serious complications. All ulnar nerves remained anteriorly transposed.
Chronic mesenteric ischaemia: 28-year experience of endovascular treatment.
OBJECTIVE: To report the outcomes associated with endovascular therapy for patients with chronic mesenteric ischemia (CMI). METHODS: A retrospective review of patients who underwent endovascular therapy for CMI between April 1981 and September 2009 at a single institution was performed. Procedural details, mesenteric arteries treated, technical and clinical success rates, outcomes per patient and per vessel were assessed....
Iatrogenic arteriovenous fistula in an infant: Diagnostic and therapeutic considerations.
Iatrogenic arteriovenous fistulas (AVF) are well described in adults; however, this complication is rarely described and reported in infants. We report the case of a 3-month-old infant with complicated gastroschisis requiring multiple venipunctures who presented with signs and symptoms suggestive of traumatic arteriovenous fistula. Ultrasound imaging confirmed the presence of a wide-necked AVF between the brachial artery and vein. The fistula was surgically repaired. This case report describes the clinical...
Management of the immature autogenous arteriovenous fistula.
A high-quality autogenous arteriovenous fistula provides the optimal access for hemodialysis. Following initial surgical construction of a fistula, the maturation process is driven by hemodynamic, cellular, and humoral factors that must result in increased blood flow, vessel dilation, and thickening of the vessel wall before the fistula can be successfully used for dialysis needle access. Different demands are placed on each fistula depending on the individual patient's hemodialysis requirements, which must...
We hypothesized that interrupting the connection between superficial and deep veins of the upper extremity at the elbow for creation of hemodialysis arteriovenous fistulas (AVFs), in addition to adequate dilation of the elbow veins, will reduce the risk of steal syndrome and venous hypertension. In this prospective study over a period of one year, patients who were candidates for creation of elbow AVFs based on Doppler ultrasound findings and physical exa-mination, were enrolled into the study. For creation...
BACKGROUND:: Angioplasty and stenting are preferred treatments for revascularizing femoral artery lesions up to 100mm, but surgical bypass is recommended for longer lesions. We assessed long-term patency after percutaneous revascularization of long femoral artery lesions for claudication with intensive out-patient surveillance. METHODS:: We followed a cohort of 98 consecutive patients receiving angioplasty or stenting in 142 limbs in two institutions. Patients were followed for 2.5 years, and event curves a...
Unexpectedly rapid IS1 transposition into an Arabidopsis chromatin remodeling gene.
Common cloning is often associated with instability of certain classes of DNA. Here we report on IS1 transposition as possible source of such instability. During the cloning of Arabidopsis thaliana gene into commercially available vector maintained in widely used Escherichia coli host the insertion of complete IS1 element into the intron of cloned gene was found. The transposition of the IS1 element was remarkably rapid and is likely to be sequence-specific. The use of E. coli strains that lower the copy nu...
Risk factors for neonatal brachial plexus paralysis.
PURPOSE: The study was aimed to identify risk factors for neonatal brachial plexus paralysis. METHODS: A retrospective case-control study was designed. A comparison was performed between cases of brachial plexus paralysis, with all consecutive deliveries during the same 5 months period, without brachial plexus paralysis. Statistical analysis was performed using the SPSS package. RESULTS: The prevalence of brachial plexus paralysis was 1.62/1,000 (9/5,525) vaginal births. Independent risk factors for brachia...
The influence of nasopharyngeal patency on the morphology of nasomaxillary complex.
Abstract Objective. The aim of this study was to compare the nasomaxillary complex in subjects with nasopharyngeal obstruction symptoms and the group with normal nasopharyngeal patency. Materials and methods. The study analyzed lateral cephalograms and dental plaster casts of 229 orthodontic subjects from the orthodontic clinic, i.e. 129 (56%) females and 100 (44%) males, age range of 6-30 years (mean age = 13.79). The analysis of radiographs and cephalometric measurements were performed using Orto-TestPor-...
Primary use of sirolimus-eluting stents in the infrapopliteal arteries.
Abstract Purpose: To report 12-month outcomes following application of sirolimus-eluting stents (SES) in infrapopliteal arteries in patients with chronic limb ischemia. Methods: A prospective single-center study was conducted involving 146 consecutive patients (102 men; mean age 73+/-9 years) with Rutherford-Becker categories 2 to 5 lower limb ischemia who underwent SES placement. The average degree of stenosis at baseline was 86%+/-5%; there were 44 (30%) occlusions. The main study endpoint was the 1-year...
Background: The purpose of this study was to evaluate the effect of anatomical variation of the brachial artery on flow-mediated vasodilation (FMD) in healthy subjects and patients with cardiovascular disease (CVD). Methods and Results: There was no significant difference in the prevalence of double brachial artery between healthy subjects (6.1%) and patients with CVD (6.5%). In healthy subjects, FMD was larger in a single brachial artery than in large and small vessels of a double brachial artery (7.2Â...
