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Renal vascular access

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https://www.readbyqxmd.com/read/29130991/pre-end-stage-renal-disease-hemoglobin-variability-predicts-post-end-stage-renal-disease-mortality-in-patients-transitioning-to-dialysis
#1
Keiichi Sumida, Charles Dyer Diskin, Miklos Z Molnar, Praveen K Potukuchi, Fridtjof Thomas, Jun Ling Lu, Connie M Rhee, Elani Streja, Kunihiro Yamagata, Kamyar Kalantar-Zadeh, Csaba P Kovesdy
BACKGROUND: Hemoglobin variability (Hb-var) has been associated with increased mortality both in non-dialysis dependent chronic kidney disease (NDD-CKD) and end-stage renal disease (ESRD) patients. However, the impact of Hb-var in advanced NDD-CKD on outcomes after dialysis initiation remains unknown. METHODS: Among 11,872 US veterans with advanced NDD-CKD transitioning to dialysis between October 2007 through September 2011, we assessed Hb-var calculated from the residual SD of at least 3 Hb values during the last 6 months before dialysis initiation (prelude period) using within-subject linear regression models, and stratified into quartiles...
November 7, 2017: American Journal of Nephrology
https://www.readbyqxmd.com/read/29118889/successful-treatment-of-iatrogenic-external-iliac-artery-perforation-with-covered-stent-case-report-and-review-of-the-literature
#2
Muhammad Umer Awan, Bassam Omar, Ghazanfar Qureshi, Ghulam Mustafa Awan
Retroperitoneal hemorrhage from iliac artery injury is a potentially serious complication of vascular interventional procedures leading to hemorrhagic shock and death if not diagnosed early and treated promptly. We report a 70-year-old male admitted to our facility with non-ST-elevation myocardial infarction, whose heart catheterization revealed left anterior descending artery (LAD) with 80% proximal, 95% mid and 100% distal disease. The left circumflex and right coronary arteries were 100% occluded proximally and received collaterals from the LAD...
October 2017: Cardiology Research
https://www.readbyqxmd.com/read/29104939/asymmetric-dimethylarginine-does-not-predict-early-access-events-in-hemodialysis-patients-with-brachiocephalic-fistula-access
#3
Mary Hammes, Rita McGill, Promila Dhar, Rama S Madhurapantula
Background: Vascular access for hemodialysis is best provided by an arteriovenous fistula (AVF). AVF fail primarily because of neointimal hyperplasia. Asymmetric dimethlyarginine (ADMA) is a naturally occurring analogue of L-arginine, which is elevated in renal failure and impairs endothelial cell function. ADMA inhibits nitric oxide synthetase, leading to impaired nitric oxide production and contributing to the development of neointimal hyperplasia. ADMA was measured at the time of AVF placement to evaluate associations with access failure...
August 2017: Int J Nephrol Kidney Fail
https://www.readbyqxmd.com/read/29083113/hydroxyethyl-starch-and-kidney-function-a-retrospective-study-in-patients-undergoing-therapeutic-plasma-exchange
#4
Muthuchellappan Radhakrishnan, Akshay Batra, Sundar Periyavan, Mariamma Philip, Vivek Anand
PURPOSE: Hydroxyethyl starch (HES) and albumin are used as replacement fluids during therapeutic plasma exchange (TPE). HES solutions are no longer recommended in critically ill patients due to its effect on kidneys and coagulation. In this retrospective study, we tried to look at the association between cumulative HES administration and kidney function in patients undergoing TPE. METHODS: Transfusion medicine department register was scrutinized to identify adult patients who had completed at least 5 cycles of TPE during the period June 2014-May 2015...
October 30, 2017: Journal of Clinical Apheresis
https://www.readbyqxmd.com/read/29076518/abstracts-from-the-6th-annual-congress-of-the-association-of-vascular-access-and-interventional-renal-physicians-avatar
#5
(no author information available yet)
Abstracts from the 6th Annual Congress of the Association of Vascular Access and Interventional Renal Physicians (AVATAR) | July 21-22, 2017 | Goa, India.
October 25, 2017: Journal of Vascular Access
https://www.readbyqxmd.com/read/29057042/apratoxin-s10-a-dual-inhibitor-of-angiogenesis-and-cancer-cell-growth-to-treat-highly-vascularized-tumors
#6
Weijing Cai, Qi-Yin Chen, Long H Dang, Hendrik Luesch
Renal, hepatocellular, and neuroendocrine carcinomas are known as highly vascularized tumors. Although vascular endothelial growth factor A (VEGF-A)-targeted therapies have shown efficacy in the treatment of these cancers, drug resistance is a major concern and might be mediated by interleukin 6 (IL-6). Furthermore, upon antiangiogenic drug exposure, tumor cells may adapt to survive in a vascular-independent manner. Apratoxins are potent marine-derived cytotoxic in vivo-active agents, preventing cotranslational translocation in the secretory pathway, and show promise to overcome resistance by targeting angiogenesis and tumor growth simultaneously...
October 12, 2017: ACS Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/29045916/suicide-deaths-among-patients-with-end-stage-renal-disease-receiving-dialysis-a-population-based-retrospective-cohort-study-of-64-000-patients-in-taiwan
#7
I-Ming Chen, Po-Hsien Lin, Vin-Cent Wu, Chi-Shin Wu, Jia-Chi Shan, Shu-Sen Chang, Shih-Cheng Liao
BACKGROUND: Patients with end-stage renal disease (ESRD) who receive dialysis may experience increased distress and risk of suicide. METHODS: This population-based retrospective cohort study linked Taiwan's national register of ESRD patients on dialysis and the cause-of-death mortality data file. A separate multiple-cause-of-death data file was used to investigate the detailed suicide methods used. Standardized mortality ratios (SMRs) were calculated for the overall patient group and by sex, age, year of initiating dialysis, method of suicide, and time since initiation of dialysis...
October 9, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/29044335/brazilian-chronic-dialysis-survey-2016
#8
Ricardo Cintra Sesso, Antonio Alberto Lopes, Fernando Saldanha Thomé, Jocemir Ronaldo Lugon, Carmen Tzanno Martins
INTRODUCTION: National chronic dialysis data are important for the treatment planning. OBJECTIVE: To report data of the annual survey of the Brazilian Society of Nephrology about chronic kidney disease patients on dialysis in July 2016. METHODS: A survey based on data of dialysis centers from the whole country. The data collection was performed by using a questionnaire filled out on-line by the dialysis centers. RESULTS: 309 (41%) of the dialysis units in the country answered the questionnaire...
July 2017: Jornal Brasileiro de Nefrologia: ʹorgão Oficial de Sociedades Brasileira e Latino-Americana de Nefrologia
https://www.readbyqxmd.com/read/29040038/ferumoxytol-enhanced-mr-angiography-for-vascular-access-mapping-before-transcatheter-aortic-valve-replacement-in-patients-with-renal-impairment-a-step-toward-patient-specific-care
#9
Kim-Lien Nguyen, John M Moriarty, Adam N Plotnik, Olcay Aksoy, Takegawa Yoshida, Richard J Shemin, William M Suh, J Paul Finn
Purpose To assess the technical feasibility of the use of ferumoxytol-enhanced (FE) magnetic resonance (MR) angiography for vascular mapping before transcatheter aortic valve replacement in patients with renal impairment. Materials and Methods This was an institutional review board-approved and HIPAA-compliant study. FE MR angiography was performed at 3.0 T or 1.5 T. Unenhanced computed tomographic (CT) images were used to overlay vascular calcification on FE MR angiographic images as composite fused three-dimensional data...
October 16, 2017: Radiology
https://www.readbyqxmd.com/read/29037311/therapeutic-plasma-exchange-in-rheumatic-diseases-a-university-hospital-experience
#10
Juan Pablo Córdoba, Carolina Larrarte, Cristina Estrada, Daniel G Fernández-Ávila
INTRODUCTION: Each day, evidence accumulates related to the use of therapeutic plasma exchange (TPE) in patients with rheumatic diseases. San Ignacio University Hospital has recorded all of the TPE sessions performed by the institution's apheresis group. OBJECTIVE: To describe the TPE experience of patients with rheumatologic diseases in a hospital setting. METHODS: Descriptive, observational, retrospective analysis. This study included analyses of the TPE sessions that were performed in patients with rheumatic diseases from November 2009 to November 2013...
September 2017: Revista Brasileira de Reumatologia
https://www.readbyqxmd.com/read/29027182/preoperative-management-of-arteriovenous-fistula-avf-for-hemodialysis
#11
Gaetano Alfano, Francesco Fontana, Mario Iannaccone, Patrizia Noussan, Gianni Cappelli
Native arteriovenous fistula (AVF) is the favorite access for hemodialysis (HD). The National Kidney Foundation's Kidney Disease Outcomes Quality Initiative (KDOQI) recommends its creation in most patients with renal failure. Unfortunately, intensive efforts to promote native AVF in patients with marginal vessels have increased the rate of primary fistula failure. A non-functioning fistula prompts the use of central venous catheter (CVC) that, unlike AVF, has been associated with an increased risk of morbidity and mortality among patients receiving HD...
October 11, 2017: Journal of Vascular Access
https://www.readbyqxmd.com/read/28966445/urinary-metabolites-in-patients-undergoing-coronary-catheterization-via-the-radial-versus-femoral-artery-approach
#12
Anupama Vasudevan, Jeffrey M Schussler, Jane I Won, Paula Ashcraft, Ivy Bolanos, Matthew Williams, Teodoro Bottiglieri, Carlos E Velasco, Peter A McCullough
The transradial approach (TRA) for coronary angiography and percutaneous coronary intervention is associated with lower rates of vascular complications and acute kidney injury when compared to the transfemoral approach (TFA). Urine metabolites and proteins may be useful in identifying the dynamic changes at the vascular endothelial cell level. We attempted to explore the changes in the measurable signals of endothelial and nephron injury within 60 to 90 minutes after catheterization among those with the TRA and TFA approaches...
October 2017: Proceedings of the Baylor University Medical Center
https://www.readbyqxmd.com/read/28937059/the-effect-of-an-educational-program-for-vascular-access-care-on-nurses-knowledge-at-dialysis-centers-in-khartoum-state-sudan
#13
Kalthoum Ibrahim Yousif, Hasan Abu-Aisha, Omar Ibrahim Abboud
End-stage renal disease is a worldwide problem that requires highly skilled nursing care. Hemodialysis (HD) is a corner-stone procedure in the management of most patients who require renal replacement therapy. Adequate vascular access is essential for the successful use of HD. Appropriate knowledge in taking care of vascular access is essential for minimizing complications and accurately recognizing vascular access-related problems. This study was to evaluate the effect of an educational program for vascular access care on nurses' knowledge at nine dialysis centers in Khartoum State...
September 2017: Saudi Journal of Kidney Diseases and Transplantation
https://www.readbyqxmd.com/read/28936594/transcatheter-aortic-valve-replacement-outcomes-indications-complications-and-innovations
#14
REVIEW
Michael N Young, Ignacio Inglessis
Transcatheter aortic valve replacement (TAVR) has become the standard of care for the treatment of severe aortic stenosis in individuals who are at prohibitive surgical risk and presents a viable alternative to surgery in selected patients who are at high operative risk. To date, outcomes from the PARTNER (Placement of AoRtic TraNscathetER Valve) and Medtronic CoreValve® US Pivotal trials continue to show the benefits of TAVR in these high-risk subgroups out to 5 and 3 years, respectively (as reported by Mack et al...
September 22, 2017: Current Treatment Options in Cardiovascular Medicine
https://www.readbyqxmd.com/read/28934599/rewarming-after-severe-accidental-hypothermia-using-the-esophageal-heat-transfer-device-a-case-report
#15
Katarina Katja Primožič, Franci Svenšek, Andrej Markota, Andreja Sinkovič
Patients with severe accidental hypothermia require active rewarming. External rewarming may not be successful in severe hypothermia, and use of invasive techniques is limited to regional centers and is associated with vascular access site and other complications. We present a patient with severe accidental hypothermia who was successfuly rewarmed using a novel esophageal heat transfer device. A 55-year-old male (175 cm, 71 kg) was admitted with the first recorded temperature 23.3°C. Rewarming using renal replacement therapy circuit was unsuccessful because of severe hypotension...
September 21, 2017: Therapeutic Hypothermia and Temperature Management
https://www.readbyqxmd.com/read/28920634/outcomes-analysis-of-stent-graft-repair-for-thoracic-aorta-emergencies
#16
Mourad Boufi, Florent Vernet, Bianca Dona, Olivier Hartung, Anderson D Loundou, Martine Haccoun, Marc Leone, Yves S Alimi
BACKGROUND: This study aimed to identify patient, pathology and procedure-related factors affecting perioperative and mid-term mortality of thoracic aorta emergencies. METHODS: Between 2007 and 2014, patients treated emergently with thoracic stent-graft were retrospectively reviewed. Variables analyzed were: age, renal insufficiency, shock, cardiac arrest, transfer status, pathology, debranching procedures, operation duration, vascular access and European System for Cardiac Operative Risk Evaluation (EuroSCORE)...
December 2017: Journal of Cardiovascular Surgery
https://www.readbyqxmd.com/read/28904808/intracardiac-fistula-an-unusual-complication-of-catheter-related-blood-stream-infection
#17
Abhilash Koratala, Hussain Aboud, Robert Gibson, Karen K Hamilton
In end stage renal disease patients on dialysis, the use of catheter as a vascular access is associated with a significant risk of sepsis compared to an arterio-venous fistula. Our case emphasizes the importance of having high index of suspicion for unusual complications in patients presenting with possible catheter-related blood stream infection and early use of complementary tools such as trans-oesophageal echocardiography whenever applicable.
September 2017: JRSM Open
https://www.readbyqxmd.com/read/28902772/urinary-cxcl10-chemokine-is-associated-with-alloimmune-and-virus-compartment-specific-renal-allograft-inflammation
#18
Julie Ho, Stefan Schaub, Chris Wiebe, Ang Gao, Caroline Wehmeier, Michael T Koller, Hans H Hirsch, Helmut Hopfer, Peter Nickerson, Patricia Hirt-Minkowski
BACKGROUND: Urinary CXCL10 is a promising biomarker for subclinical tubulointerstitial inflammation, but limited data exists regarding its correlation with (micro)vascular inflammation. Furthermore, no study has evaluated whether concomitant serum CXCL10 improves the discrimination for (micro)vascular inflammation. METHODS: We investigated whether serum/urinary CXCL10 reflect subclinical inflammation within different renal compartments. Patients (n=107) with 107 surveillance biopsies were classified as: normal histology (n=47), normal histology with BKV or CMV viremia (n=17), moderate-severe tubulointerstitial inflammation (tubulitis ≥2, n=18), pure microvascular inflammation (n=15), and isolated v lesions (n=10)...
September 12, 2017: Transplantation
https://www.readbyqxmd.com/read/28893450/emergency-medicine-evaluation-and-management-of-the-end-stage-renal-disease-patient
#19
REVIEW
Brit Long, Alex Koyfman, Courtney M Lee
BACKGROUND: End stage renal disease (ESRD) is increasing in the U.S., and these patients demonstrate greater all-cause mortality, cardiovascular events, and hospitalization rates when compared to those with normal renal function. These patients may experience significant complications associated with loss of renal function and dialysis. OBJECTIVE: This review evaluates complications of ESRD including cardiopulmonary, neurologic, infectious disease, vascular, and access site complications, as well as medication use in this population...
September 5, 2017: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28887245/a-pulsatile-fresh-frozen-human-cadaver-circulation-model-for-endovascular-training-a-trial-of-face-validity
#20
Craig Nesbitt, Samuel James Tingle, Robin Williams, James McCaslin, Roger Searle, Sebastian Mafeld, Gerard Stansby
OBJECTIVES: Determine the face validity of a pulsatile fresh frozen human cadaver model (PHCM) for training endovascular practitioners. METHODS: 12 endovascular clinicians performed the same two procedures (catheterisation of the left renal artery and left subclavian artery) on PHCM, and Simbionix angiomentor virtual reality simulator (SVR). They were randomised to begin on either the PHCM or SVR. A pre-trial questionnaire determined participants' endovascular experience...
September 5, 2017: Annals of Vascular Surgery
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