نتایج جستجو برای: vascular fistula
تعداد نتایج: 245521 فیلتر نتایج به سال:
CASE REPORT A 55-year-old patient with non-smallcell lung cancer suffered from productive cough due to bronchopulmonary fistula (BPF) following pneumectomy (figure 1A,B). First, we used vascular occlusion coils (Tornado Platin Embolization Coils, Cook, Limerick, Ireland, traditionally used for embolisation of selective vessel supply to arteriovenous malformations) placed endobronchially in conj...
Registry data from around the world continue to report poor fistula maturation rates, and the majority of patients are starting dialysis with central venous catheters. In the USA in 2013, 80% of patients started dialysis with a catheter; a figure which has changed very little since 2005.[1] In the UK in 2011, 57% of patients started dialysis with a catheter.[2] Starting dialysis with a catheter...
OBJECTIVES Vascular occlusion of hemodialysis arteriovenous access (AVA) using an Amplatzer vascular plug (AVP; St. Jude Medical, St. Paul, MN, USA) is an arising and alternative practice in selected patients; however, few reported cases can be found in the literature. Herein, we report on our experience with endovascular treatment of complicated AVA. MATERIALS AND METHODS From September 2015...
Mild hyperhomocysteinemia, a putative risk factor for atherothrombotic cardiovascular disease morbidity and mortality, may contribute to the excess incidence of atherothrombotic outcomes in the dialysis-dependent end-stage renal disease population. Hemodialysis access (fistula or graft) thrombosis is an unfortunately common and costly morbidity in this patient population. In this study, using a...
This case report describes a patient with a 22q11.2 duplication. His features, which include VACTERL association with an esophageal atresia/tracheo-esophageal fistula and a vascular ring, expand the previously described phenotype for this duplication.
BACKGROUND Autologous arteriovenous (AV) fistulas are the first choice for vascular access but have a high risk of non-maturation due to insufficient vessel adaptation, a process dependent on nitric oxide (NO)-signaling. Chronic kidney disease (CKD) is associated with oxidative stress that can disturb NO-signaling. Here, we evaluated the influence of CKD on AV fistula maturation and NO-signalin...
Venous stenosis is a significant problem in arteriovenous fistulae, likely due to anatomical configuration and wall shear stress profiles. To identify linkages between wall shear stress and the magnitude and pattern of vascular stenosis, we produced curved and straight fistulae in a pig model. A complete wall stress profile was calculated for the curved configuration and correlated with luminal...
1 ABSTRACT Arteriovenous (AV) fistula is the most preferred form of vascular access for end-stage renal disease patients. Acute changes in hemodynamics and in particular wall shear stress (WSS) immediately after fistula placement are followed by the dilation of the vasculature luminal area to recover the normal physiological condition before surgery. However, vasodilation in AV fistula is not w...
BACKGROUND AND OBJECTIVES The relative merits of buttonhole (or blunt needle) versus rope ladder (or sharp needle) cannulation for hemodialysis vascular access are unclear. DESIGN, SETTING, PARTICIPANTS, & MEASUREMENTS Clinical outcomes by cannulation method were reviewed in 90 consecutive home hemodialysis patients. Initially, patients were trained in rope ladder cannulation. From 2004 on, a...
AIM To assess the survival of the primary arteriovenous fistula created for dialysis in 463 chronic hemodialysis patients, because the main causes of morbidity among such patients are associated with vascular access-related complications. METHOD We analyzed 269 (58%) men and 194 (42%) women with median age of 58 years (range 12-83), who underwent 0-14,784 (median 1,584) hours of hemodialysis....
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