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Renal vascular access

Yukio Ozaki, Shogo Tamura, Katsue Suzuki-Inoue
Platelets play a key role in the pathophysiological processes of hemostasis and thrombus formation. However, platelet functions beyond thrombosis and hemostasis have been increasingly identified in recent years. A large body of evidence now exists which suggests that platelets also play a key role in inflammation, immunity, malignancy, and furthermore in organ development and regeneration, such as the liver. We have recently identified CLEC-2 on the platelet membrane, which induces intracellular activation signals upon interaction of a snake venom, rhodocytin...
2016: Thrombosis Journal
M Clerc, J Prothet, T Rimmelé
Composite tissue allotransplantation (CTA) is a complex procedure requiring a multidisciplinary collaboration between surgeons, anesthetists, and transplantation specialists. We will describe the perioperative management of a bilateral forearm allograft performed at our facility. A 40-year-old man who lost both forearms was registered on the transplant waiting list; a suitable graft was available 11months later. Anesthesia required planning for vascular access, hemodynamic monitoring, fluid therapy management and prevention of deep vein thrombosis...
June 2016: Hand Surgery and Rehabilitation
Shannon D Thomas, Eugenia C Ip, Nedal Katib, Debbie Pugh, Andrew Lennox, Zoltan Endre, Elaine Tan, Chris Ellery, Ramon L Varcoe
BACKGROUND: Management of vascular access for haemodialysis is a leading cause of morbidity and hospitalization in patients with end-stage renal disease. We sought to evaluate the change in admission and procedural outcomes before and after the establishment of a vascular surgeon-led comprehensive renal vascular access clinic (RVAC). METHOD: A retrospective clinical study was conducted after an RVAC was established in January 2013, with retrospective database created for the 24-month period prior to and after...
October 9, 2016: ANZ Journal of Surgery
Takayasu Ito, Eiji Ishikawa, Hiroshi Matsuo, Mika Fujimoto, Tomohiro Murata, Kenichi Isoda, Hitoshi Mizutani, Masaaki Ito
Renal failure and infectious disease are strongly associated with morbidity and mortality in patients with severe generalized recessive dystrophic epidermolysis bullosa (RDEB-sev gen). However, it is reportedly difficult to introduce hemodialysis with an arteriovenous fistula (AVF). We encountered a 32-year-old man with RDEB-sev gen in whom hemodialysis with a native AVF was introduced that favorably affected his long-term survival. This patient eventually died because of cachexia related to the recurrence of cutaneous squamous cell carcinoma 51 months after hemodialysis introduction...
May 2016: Case Reports in Nephrology and Dialysis
Mauricio Millan, Luis A Caicedo, Jorge I Villegas, Oscar Serrano, Liliana Caicedo, Mauricio Duque, Laura S Thomas, Gabriel J Echeverri
INTRODUCTION: One of the frequent complications suffered by patients with chronic renal failure is the lack of vascular access due to venous thrombosis. This means that the transplant surgeon must have a detailed knowledge of the intra-abdominal venous system, and other alternative surgeries, at the time of performing the renal graft implant, in order to ensure a good venous drainage. PRESENTATION OF THE CASE: This article provides a case report regarding a patient with no vascular access and with surgical difficulties at the time of the kidney transplant, in whom a renal-portal venous drainage was performed with very good outcome...
September 30, 2016: International Journal of Surgery Case Reports
Malcolm G Coulthard
Most babies with chronic renal failure are identified antenatally, and over half that are treated with peritoneal dialysis receive kidney transplants before school age. Most infants that develop acute renal failure have hypotension following cardiac surgery, or multiple organ failure. Sometimes the falls in glomerular filtration and urine output are physiological and reversible, and sometimes due to kidney injury, but (illogically) it is now common to define them all as having 'acute kidney injury'. Contrary to widespread opinion, careful interpretation of the plasma creatinine concentrations can provide sensitive evidence of early acute renal failure...
September 25, 2016: Early Human Development
Cláudia Ribeiro, Maria Goretti Moreira Guimarães Penido, Milena Maria Moreira Guimarães, Marcelo de Sousa Tavares, Bruno das Neves Souza, Anderson Ferreira Leite, Leonardo Martins Caldeira de Deus, Lucas José de Campos Machado
AIM: To evaluate the parathyroid ultrasonography and define parameters that can predict poor response to treatment in patients with secondary hyperparathyroidism due to renal failure. METHODS: This cohort study evaluated 85 patients with chronic kidney disease stage V with parathyroid hormone levels above 800 pg/mL. All patients underwent ultrasonography of the parathyroids and the following parameters were analyzed: Demographic characteristics (etiology of chronic kidney disease, gender, age, dialysis vintage, vascular access, use of vitamin D), laboratory (calcium, phosphorus, parathyroid hormone, alkaline phosphatase, bone alkaline phosphatase), and the occurrence of bone changes, cardiovascular events and death...
September 6, 2016: World Journal of Nephrology
Cristiana David, Ileana Peride, Andrei Niculae, Alexandra Maria Constantin, Ionel Alexandru Checherita
BACKGROUND: Native arteriovenous fistula (AVF) is the most appropriate type of vascular access for chronic dialysis. Its patency rates depend on vascular wall characteristics. Ketoacid analogues of essential amino acids (KA/EAA) are prescribed in end-stage renal disease (ESRD) pre-dialysis patients to lower toxic metabolic products generation and improve nutritional status. We hypothesized that very-low protein diet (VLPD) supplemented with KA/EAA may influence arterial wall stiffness and affect AVF maturation rates and duration in pre-dialysis ESRD patients...
September 20, 2016: BMC Nephrology
Tammy Hod, Alexander S Goldfarb-Rumyantzev, Bhanu K Patibandla, Akshita Narra, Robert S Brown
BACKGROUND: In patients with failure of an initial arteriovenous fistula (AVF), a subsequent vascular access is needed before hemodialysis (HD) initiation. METHODS: To assess the optimal access strategy after a failed AVF, we linked data from the US Renal Data System with Medicare claims data identifying 21,436 patients ≥ 67 years old who started HD between January 1, 2005, and December 31, 2008, with an AVF placed as their first predialysis access. Of the 10,568 subjects whose AVF failed, 1,796 patients had an AVF placed as a second access predialysis (AVF2 group) and 399 patients had an arteriovenous graft placed as a second access predialysis (AVG2 group)...
November 2016: Clinical Nephrology
Rachel E Allavena, Heather West, Joanna Gale, Marie Debrue
Permanent vascular catheterization for intravascular access is one of the most commonly applied techniques used on rodents in pharmacology studies. However, use of the intravascular catheters is complicated by nontolerance due to thromboembolic disease and sepsis. We have undertaken an extensive pathologic and clinical analysis of an intravascular catheterization model in Wistar Han and Sprague-Dawley rats, with a particular focus on carotid artery catheterization with or without jugular vein catheterization, in order to define the pathologic mechanisms behind nontolerance and define clinical end points to ensure maximal animal welfare...
September 14, 2016: Toxicologic Pathology
Robert S Brown, Bhanu K Patibandla, Alexander S Goldfarb-Rumyantzev
Patients needing hemodialysis are advised to have arteriovenous fistulas rather than catheters because of significantly lower mortality rates. However, disparities in fistula placement raise the possibility that patient factors have a role in this apparent mortality benefit. We derived a cohort of 115,425 patients on incident hemodialysis ≥67 years old from the US Renal Data System with linked Medicare claims to identify the first predialysis vascular access placed. We compared mortality outcomes in patients initiating hemodialysis with a fistula placed first, a catheter after a fistula placed first failed, or a catheter placed first (n=90,517; reference group)...
September 7, 2016: Journal of the American Society of Nephrology: JASN
Yahya Acar, Onur Tezel, Necati Salman, Erdem Cevik, Margarita Algaba-Montes, Alberto Oviedo-García, Mayra Patricio-Bordomás, Mustafa Z Mahmoud, Abdelmoneim Sulieman, Abbas Ali, Alrayah Mustafa, Ihab Abdelrahman, Mustafa Bahar, Osama Ali, H Lester Kirchner, Gregor Prosen, Ajda Anzic, Paul Leeson, Maryam Bahreini, Fatemeh Rasooli, Houman Hosseinnejad, Gabriel Blecher, Robert Meek, Diana Egerton-Warburton, Edina Ćatić Ćuti, Stanko Belina, Tihomir Vančina, Idriz Kovačević, Nadan Rustemović, Ikwan Chang, Jin Hee Lee, Young Ho Kwak, Do Kyun Kim, Chi-Yung Cheng, Hsiu-Yung Pan, Chia-Te Kung, Ela Ćurčić, Ena Pritišanac, Ivo Planinc, Marijana Grgić Medić, Radovan Radonić, Abiola Fasina, Anthony J Dean, Nova L Panebianco, Patricia S Henwood, Oliviero Fochi, Moreno Favarato, Ezio Bonanomi, Ivan Tomić, Youngrock Ha, Hongchuen Toh, Elizabeth Harmon, Wilma Chan, Cameron Baston, Gail Morrison, Frances Shofer, Angela Hua, Sharon Kim, James Tsung, Isa Gunaydin, Zeynep Kekec, Mehmet Oguzhan Ay, Jinjoo Kim, Jinhyun Kim, Gyoosung Choi, Dowon Shim, Ji-Han Lee, Jana Ambrozic, Katja Prokselj, Miha Lucovnik, Gabrijela Brzan Simenc, Asta Mačiulienė, Almantas Maleckas, Algimantas Kriščiukaitis, Vytautas Mačiulis, Andrius Macas, Sharad Mohite, Zoltan Narancsik, Hugon Možina, Sara Nikolić, Jan Hansel, Rok Petrovčič, Una Mršić, Simon Orlob, Markus Lerchbaumer, Niklas Schönegger, Reinhard Kaufmann, Chun-I Pan, Chien-Hung Wu, Sarah Pasquale, Stephanie J Doniger, Sharon Yellin, Gerardo Chiricolo, Maja Potisek, Borut Drnovšek, Boštjan Leskovar, Kristine Robinson, Clara Kraft, Benjamin Moser, Stephen Davis, Shelley Layman, Yusef Sayeed, Joseph Minardi, Irmina Sefic Pasic, Amra Dzananovic, Anes Pasic, Sandra Vegar Zubovic, Ana Godan Hauptman, Ana Vujaklija Brajkovic, Jaksa Babel, Marina Peklic, Vedran Radonic, Luka Bielen, Peh Wee Ming, Nur Hafiza Yezid, Fatahul Laham Mohammed, Zainal Abidin Huda, Wan Nasarudin Wan Ismail, W Yus Haniff W Isa, Hashairi Fauzi, Praveena Seeva, Mohd Zulfakar Mazlan
A1 Point-of-care ultrasound examination of cervical spine in emergency departmentYahya Acar, Onur Tezel, Necati SalmanA2 A new technique in verifying the placement of a nasogastric tube: obtaining the longitudinal view of nasogastric tube in addition to transverse view with ultrasoundYahya Acar, Necati Salman, Onur Tezel, Erdem CevikA3 Pseudoaneurysm of the femoral artery after cannulation of a central venous line. Should we always use ultrasound in these procedures?Margarita Algaba-Montes, Alberto Oviedo-García, Mayra Patricio-BordomásA4 Ultrasound-guided supraclavicular subclavian vein catheterization...
September 2016: Critical Ultrasound Journal
Álvaro Ríos, Patricia Herrera, Álvaro Morales, Enrique Reynolds, María Belén Fernández, Fernando González
UNLABELLED: The proportion of older people with end stage renal disease is increasing. Their prognosis is characterized by a high mortality and poor quality of life. AIM: To analyze the survival of patients starting chronic hemodialysis (CHD) according to their age. MATERIAL AND METHODS: Patients admitted to CHD in the East Metropolitan Health Service of Santiago in a 2-year period were analyzed. Four age groups were created, separating patients older than 70 years in a special group...
June 2016: Revista Médica de Chile
Hira Irfan, Guo Shen Ooi, May M Kyin, Pei Ho
Ultrasonography is the primary tool for preoperative analysis of vein morphology for fistula creation in patients with end-stage renal disease. This study examines the effect of environmental temperature on the superficial vein size. Superficial veins of thirteen healthy volunteers were marked at three sites: cephalic vein in left lateral arm near cubital fossa, cephalic vein in left forearm at wrist, and basilic vein in left medial arm near cubital fossa. Mean diameters were recorded using ultrasound probe at 26°C and 43°C...
2016: International Journal of Chronic Diseases
Dr Charlotte Ratcliff, Miss Monica Hansrani
INTRODUCTION: This case report intends to highlight the Haemodialysis Reliable Outflow (HeRO) graft as a potential long term option for ongoing dialysis in patients with central venous stenosis. PRESENTATION OF CASE: A 55year old patient, who developed end stage renal failure (ESRF) after chemotherapy treatment for breast cancer, presented at the limit of her dialysis access after a 15year haemodialysis history causing central vein stenosis. The patient was initially started on peritoneal dialysis but after repeated peritonitis was switched to haemodialysis...
2016: International Journal of Surgery Case Reports
Sophie Plagakis, Darren Foreman, Peter Sutherland, Andrew Fuller
We highlight two cases of transperitoneal robot-assisted radical prostatectomy (RARP) in patients with pelvic kidneys because of congenital development and renal transplant. These uncommon cases present a challenge to the surgeon contemplating surgery because of access and anomalous vascular and ureteral anatomy. We describe the technical considerations that are paramount in effectively completing transperitoneal RARP, and believe it should be considered as a treatment option in men with pelvic kidneys.
2016: J Endourol Case Rep
Timmy Lee, Mae Thamer, Yi Zhang, Qian Zhang, Michael Allon
BACKGROUND AND OBJECTIVES: Few studies have evaluated vascular access use after transition from peritoneal dialysis to hemodialysis. Our study characterizes vascular access use after switch to hemodialysis and its effect on patient mortality and evaluates whether a peritonitis event preceding the switch was associated with the timing of permanent vascular access placement and use. DESIGN, SETTING, PARTICIPANTS, & MEASUREMENTS: The US Renal Data System data were used to evaluate the establishment of a permanent vascular access in 1165 incident Medicare-insured adult patients on dialysis who initiated peritoneal dialysis between July 1, 2010 and June 30, 2011 and switched to hemodialysis within 1 year...
August 30, 2016: Clinical Journal of the American Society of Nephrology: CJASN
Nicolas W Shammas, Gail A Shammas, Thomas Harris, Cara M Voelliger, Andrew N Shammas, Michael Jerin
Bailout stenting of the common femoral artery (CFA) may become necessary with failed balloon angioplasty or atherectomy or in case of bleeding requiring a covered stent over the arteriotomy site. Reaccessing the CFA through a previously placed stent may occur during angiography. The safety and effectiveness of applying a closure device, or manual compression to achieve hemostasis through an accessed stented CFA are unknown. All patients in our practice that underwent CFA stenting were identified using billing records for 3 years (January 1, 2010-February 28, 2013)...
September 2016: International Journal of Angiology: Official Publication of the International College of Angiology, Inc
Zachary M Feldman, Lisa B Liu, Steven D Abramowitz, Peter L Faries, Michael L Marin, Harry R Schanzer, Victoria J Teodorescu
BACKGROUND: Establishment and maintenance of vascular access for hemodialysis is life-sustaining for patients needing renal-replacement therapy. Arteriovenous fistulas (AVFs) are the preferred type of access, but the costs associated with creation and maintenance are poorly characterized, especially with respect to patient characteristics. METHODS: A prospectively maintained registry has been established at The Mount Sinai Hospital for patients undergoing access procedures since 2007...
August 19, 2016: Annals of Vascular Surgery
Michael V Rocco
BACKGROUND: Chronic hemodialysis (HD) in the 1960s encompassed a wide variety of prescriptions from twice weekly to five times per week HD. Over time, HD prescriptions in the West became standardized at three times per week, 2.5-4 h per session, with occasional additional treatments for volume overload. SUMMARY: When clinical trials of dialysis dose failed to show significant benefit of extending time compared with the traditional dialysis prescription, interest in more frequent HD was renewed...
December 2015: Kidney Diseases
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