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Glenn Chertow

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https://www.readbyqxmd.com/read/28642330/effects-of-intensive-bp-control-in-ckd
#1
Alfred K Cheung, Mahboob Rahman, David M Reboussin, Timothy E Craven, Tom Greene, Paul L Kimmel, William C Cushman, Amret T Hawfield, Karen C Johnson, Cora E Lewis, Suzanne Oparil, Michael V Rocco, Kaycee M Sink, Paul K Whelton, Jackson T Wright, Jan Basile, Srinivasan Beddhu, Udayan Bhatt, Tara I Chang, Glenn M Chertow, Michel Chonchol, Barry I Freedman, William Haley, Joachim H Ix, Lois A Katz, Anthony A Killeen, Vasilios Papademetriou, Ana C Ricardo, Karen Servilla, Barry Wall, Dawn Wolfgram, Jerry Yee
The appropriate target for BP in patients with CKD and hypertension remains uncertain. We report prespecified subgroup analyses of outcomes in participants with baseline CKD in the Systolic Blood Pressure Intervention Trial. We randomly assigned participants to a systolic BP target of <120 mm Hg (intensive group; n=1330) or <140 mm Hg (standard group; n=1316). After a median follow-up of 3.3 years, the primary composite cardiovascular outcome occurred in 112 intensive group and 131 standard group CKD participants (hazard ratio [HR], 0...
June 22, 2017: Journal of the American Society of Nephrology: JASN
https://www.readbyqxmd.com/read/28639740/declining-rates-of-hip-fracture-in-end-stage-renal-disease-analysis-from-the-2003-2011-nationwide-inpatient-sample
#2
Sun Moon Kim, Sai Liu, Jin Long, Maria E Montez-Rath, Mary B Leonard, Glenn M Chertow
The incidence of hip fracture in patients with end-stage renal disease (ESRD) is considerably higher than that in the general age- and sex-matched population. Although medical therapy for chronic kidney disease mineral bone disorder (CKD-MBD) has changed considerably over the last decade, rates of hip fracture in the entire ESRD population have not been well-characterized. Herein, we evaluated temporal trends in rates of hip fracture, in-hospital mortality, and costs of associated hospital stay in ESRD. We identified hospitalizations for hip fracture from 2003 to 2011 using the Nationwide Inpatient Sample, a representative national database inclusive of all ages and payers...
June 22, 2017: Journal of Bone and Mineral Research: the Official Journal of the American Society for Bone and Mineral Research
https://www.readbyqxmd.com/read/28630081/calcium-sensing-receptor-genotype-and-response-to-cinacalcet-in-patients-undergoing-hemodialysis
#3
Sharon M Moe, Leah Wetherill, Brian Scott Decker, Dongbing Lai, Safa Abdalla, Jin Long, Matteo Vatta, Tatiana M Foroud, Glenn M Chertow
BACKGROUND AND OBJECTIVES: We tested the hypothesis that single nucleotide polymorphisms (SNPs) in the calcium-sensing receptor (CASR) alter the response to the calcimimetic cinacalcet. DESIGN, SETTING, PARTICIPANTS, & MEASUREMENTS: We analyzed DNA samples in the Evaluation of Cinacalcet HCl Therapy to Lower Cardiovascular Events (EVOLVE) trial, a randomized trial comparing cinacalcet to placebo on a background of usual care. Of the 3883 patients randomized, 1919 (49%) consented to DNA collection, and samples from 1852 participants were genotyped for 18 CASR polymorphisms...
June 19, 2017: Clinical Journal of the American Society of Nephrology: CJASN
https://www.readbyqxmd.com/read/28595193/the-economic-consequences-of-acute-kidney-injury
#4
Samuel A Silver, Glenn M Chertow
Acute kidney injury (AKI) is an increasingly common condition associated with poor health outcomes. Combined with its rising incidence, AKI has emerged as a major public health concern with high human and financial costs. In England, the estimated inpatient costs related to AKI consume 1% of the National Health Service budget. In the United States, AKI is associated with an increase in hospitalization costs that range from $5.4 to $24.0 billion. The most expensive patients are those with AKI of sufficient severity to require dialysis, where cost increases relative to patients without AKI range from $11,016 to $42,077 per hospitalization...
June 9, 2017: Nephron
https://www.readbyqxmd.com/read/28576906/factors-associated-with-frailty-and-its-trajectory-among-patients-on-hemodialysis
#5
Kirsten L Johansen, Lorien S Dalrymple, Cynthia Delgado, Glenn M Chertow, Mark R Segal, Janet Chiang, Barbara Grimes, George A Kaysen
BACKGROUND AND OBJECTIVES: Frailty is common among patients on hemodialysis and associated with adverse outcomes. However, little is known about changes in frailty over time and the factors associated with those changes. DESIGN, SETTING, PARTICIPANTS, & MEASUREMENTS: To address these questions, we examined 762 participants in the A Cohort to Investigate the Value of Exercise/Analyses Designed to Investigate the Paradox of Obesity and Survival in ESRD cohort study, among whom frailty was assessed at baseline and 12 and 24 months...
June 2, 2017: Clinical Journal of the American Society of Nephrology: CJASN
https://www.readbyqxmd.com/read/28564126/prehabilitation-for-kidney-transplant-candidates-is-it-time
#6
REVIEW
Xingxing S Cheng, Jonathan N Myers, Glenn M Chertow, Ralph Rabkin, Khin N Chan, Yu Chen, Jane C Tan
Many patients become frail with diminished cardiorespiratory fitness while awaiting kidney transplantation. Frailty and poor fitness powerfully predict mortality, transplant graft survival, and health care utilization after kidney transplantation. Efforts to intervene with post-transplant physical therapy have been met with limited success, in large part due to high study drop-out. We reviewed the literature on chronic kidney disease and exercise to propose a clinical framework for physical therapy interventions to improve fitness, scheduled for before the transplant...
May 31, 2017: Clinical Transplantation
https://www.readbyqxmd.com/read/28545622/warfarin-and-the-risk-of-stroke-and-bleeding-in-patients-with-atrial-fibrillation-receiving-dialysis-a-systematic-review-and-meta-analysis
#7
REVIEW
Ziv Harel, Glenn M Chertow, Prakesh S Shah, Shai Harel, Paul Dorian, Andrew T Yan, Gustavo Saposnik, Manish M Sood, Amber O Molnar, Jeffrey Perl, Rachel M Wald, Sam Silver, Ron Wald
BACKGROUND: Patients with atrial fibrillation who receive dialysis are at a high risk of ischemic stroke. The role of warfarin in mitigating this risk in patients with atrial fibrillation who receive dialysis is uncertain. Our objective was to examine the safety and efficacy of warfarin in patients who have atrial fibrillation and receive dialysis. METHODS: We used MedLine, Embase, and the Cochrane Library to conduct a systematic review and meta-analysis of published and unpublished observational and interventional studies related to the use of warfarin in patients with atrial fibrillation who receive dialysis, and provided data on the risk of stroke and/or bleeding outcomes relative to placebo or no anticoagulation therapy...
June 2017: Canadian Journal of Cardiology
https://www.readbyqxmd.com/read/28535231/dosing-of-etelcalcetide-vs-cinacalcet-for-secondary-hyperparathyroidism-reply
#8
LETTER
Geoffrey A Block, Glenn M Chertow
No abstract text is available yet for this article.
May 23, 2017: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/28490435/home-dialysis-in-the-prospective-payment-system-era
#9
Eugene Lin, Xingxing S Cheng, Kuo-Kai Chin, Talhah Zubair, Glenn M Chertow, Eran Bendavid, Jayanta Bhattacharya
The ESRD Prospective Payment System introduced two incentives to increase home dialysis use: bundling injectable medications into a single payment for treatment and paying for home dialysis training. We evaluated the effects of the ESRD Prospective Payment System on home dialysis use by patients starting dialysis in the United States from January 1, 2006 to August 31, 2013. We analyzed data on dialysis modality, insurance type, and comorbidities from the United States Renal Data System. We estimated the effect of the policy on home dialysis use with multivariable logistic regression and compared the effect on Medicare Parts A/B beneficiaries with the effect on patients with other types of insurance...
May 10, 2017: Journal of the American Society of Nephrology: JASN
https://www.readbyqxmd.com/read/28437790/utility-in-treating-kidney-failure-in-end-stage-liver-disease-with-simultaneous-liver-kidney-transplantation
#10
Xingxing S Cheng, Margaret R Stedman, Glenn M Chertow, W Ray Kim, Jane C Tan
BACKGROUND: Simultaneous liver-kidney (SLK) transplantation plays an important role in treating kidney failure in patients with end-stage liver disease. It used 5% of deceased donor kidney transplanted in 2015. We evaluated the utility, defined as posttransplant kidney allograft lifespan, of this practice. METHODS: Using data from the Scientific Registry of Transplant Recipients, we compared outcomes for all SLK transplants between January 1, 1995, and December 3, 2014, to their donor-matched kidney used in kidney-alone (Ki) or simultaneous pancreas kidney (SPK) transplants...
May 2017: Transplantation
https://www.readbyqxmd.com/read/28318630/sarcopenia-and-its-individual-criteria-are-associated-in-part-with-mortality-among-patients%C3%A2-on-hemodialysis
#11
Piyawan Kittiskulnam, Glenn M Chertow, Juan J Carrero, Cynthia Delgado, George A Kaysen, Kirsten L Johansen
The relative importance of sarcopenia and its individual components as independent predictors of mortality in the dialysis population has not been determined. We estimated whole-body muscle mass using pre-dialysis bioimpedance spectroscopy measurements in 645 ACTIVE/ADIPOSE-enrolled prevalent hemodialysis patients from San Francisco and Atlanta. Low muscle mass was defined as two standard deviations below sex-specific means for young adults from NHANES and indexed to height(2), body weight, body surface area, or body mass index...
July 2017: Kidney International
https://www.readbyqxmd.com/read/28301073/thyroid-function-in-end-stage-renal-disease-and-effects-of-frequent-hemodialysis
#12
Joan C Lo, Gerald J Beck, George A Kaysen, Christopher T Chan, Alan S Kliger, Michael V Rocco, Minwei Li, Glenn M Chertow
INTRODUCTION: End-stage renal disease (ESRD) is associated with perturbations in thyroid hormone concentrations and an increased prevalence of hypothyroidism. Few studies have examined the effects of hemodialysis dose or frequency on endogenous thyroid function. METHODS: Within the Frequent Hemodialysis Network (FHN) trials, we examined the prevalence of hypothyroidism in patients with ESRD. Among those with endogenous thyroid function (without overt hyper/hypothyroidism or thyroid hormone supplementation), we examined the association of thyroid hormone concentration with multiple parameters of self-reported health status, and physical and cognitive performance, and the effects of hemodialysis frequency on serum thyroid stimulating hormone (TSH), free thyroxine (FT4), and free tri-iodothyronine (FT3) levels...
March 16, 2017: Hemodialysis International
https://www.readbyqxmd.com/read/28296920/prevalence-of-chronic-kidney-disease-and-risk-factors-for-its-progression-a-cross-sectional-comparison-of-indians-living-in-indian-versus-u-s-cities
#13
Shuchi Anand, Dimple Kondal, Maria Montez-Rath, Yuanchao Zheng, Roopa Shivashankar, Kalpana Singh, Priti Gupta, Ruby Gupta, Vamadevan S Ajay, Viswanathan Mohan, Rajendra Pradeepa, Nikhil Tandon, Mohammed K Ali, K M Venkat Narayan, Glenn M Chertow, Namratha Kandula, Dorairaj Prabhakaran, Alka M Kanaya
BACKGROUND: While data from the latter part of the twentieth century consistently showed that immigrants to high-income countries faced higher cardio-metabolic risk than their counterparts in low- and middle-income countries, urbanization and associated lifestyle changes may be changing these patterns, even for conditions considered to be advanced manifestations of cardio-metabolic disease (e.g., chronic kidney disease [CKD]). METHODS AND FINDINGS: Using cross-sectional data from the Center for cArdiometabolic Risk Reduction in South Asia (CARRS, n = 5294) and Mediators of Atherosclerosis in South Asians Living in America (MASALA, n = 748) studies, we investigated whether prevalence of CKD is similar among Indians living in Indian and U...
2017: PloS One
https://www.readbyqxmd.com/read/28287093/hdl-glycoprotein-composition-and-site-specific-glycosylation-differentiates-between-clinical-groups-and-affects-il-6-secretion-in-lipopolysaccharide-stimulated-monocytes
#14
Sridevi Krishnan, Michiko Shimoda, Romina Sacchi, Muchena J Kailemia, Guillaume Luxardi, George A Kaysen, Atul N Parikh, Viviane N Ngassam, Kirsten Johansen, Glenn M Chertow, Barbara Grimes, Jennifer T Smilowitz, Emanual Maverakis, Carlito B Lebrilla, Angela M Zivkovic
The goal of this pilot study was to determine whether HDL glycoprotein composition affects HDL's immunomodulatory function. HDL were purified from healthy controls (n = 13), subjects with metabolic syndrome (MetS) (n = 13), and diabetic hemodialysis (HD) patients (n = 24). Concentrations of HDL-bound serum amyloid A (SAA), lipopolysaccharide binding protein (LBP), apolipoprotein A-I (ApoA-I), apolipoprotein C-III (ApoC-III), α-1-antitrypsin (A1AT), and α-2-HS-glycoprotein (A2HSG); and the site-specific glycovariations of ApoC-III, A1AT, and A2HSG were measured...
March 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28182800/cost-of-acute-kidney-injury-in-hospitalized-patients
#15
Samuel A Silver, Jin Long, Yuanchao Zheng, Glenn M Chertow
BACKGROUND: The economic burden of acute kidney injury (AKI) is not well understood. OBJECTIVE: To estimate the effects of AKI on hospitalization costs and length of stay (LOS). DESIGN: Using data from the 2012 National Inpatient Sample, we compared hospitalization costs and LOS with and without AKI. We used a generalized linear model with a gamma distribution and a log link fitted to AKI to adjust for demographics, hospital differences, and comorbidities...
February 2017: Journal of Hospital Medicine: An Official Publication of the Society of Hospital Medicine
https://www.readbyqxmd.com/read/28159782/effect-of-tenapanor-on-serum-phosphate-in-patients-receiving-hemodialysis
#16
RANDOMIZED CONTROLLED TRIAL
Geoffrey A Block, David P Rosenbaum, Maria Leonsson-Zachrisson, Magnus Åstrand, Susanne Johansson, Mikael Knutsson, Anna Maria Langkilde, Glenn M Chertow
Hyperphosphatemia is common among patients with CKD stage 5D and is associated with morbidity and mortality. Current guidelines recommend lowering serum phosphate concentrations toward normal. Tenapanor is a minimally absorbed small molecule inhibitor of the sodium/hydrogen exchanger isoform 3 that functions in the gut to reduce sodium and phosphate absorption. This randomized, double-blind, placebo-controlled trial assessed the effects of tenapanor on serum phosphate concentration in patients with hyperphosphatemia receiving hemodialysis...
June 2017: Journal of the American Society of Nephrology: JASN
https://www.readbyqxmd.com/read/28153966/effect-of-uv-light-on-disinfection-of-peritoneal-dialysis-catheter-connections
#17
John Ashley, Julia A Rasooly, Ian Tran, Lawrence E Yost, Glenn M Chertow
We evaluated the microbiological performance of an ultraviolet (UV) light-based peritoneal dialysis catheter connection system. The system includes a UV light-generating device combined with a UV transmissive window incorporated into the transfer set. Each UV transparent transfer set was inoculated with 10 μL of cultured inoculum consisting of either S. aureus, E. coli, or C. albicans After being inoculated, we attached a solution set connector to the transfer catheter, and exposed that connection to a UV light dose of approximately 340 mJoules/cm(2) After exposure to UV light, we broke the seal of the solution set and opened the plunger valve on the UV transmissive transfer catheter...
January 2017: Peritoneal Dialysis International: Journal of the International Society for Peritoneal Dialysis
https://www.readbyqxmd.com/read/28097356/effect-of-etelcalcetide-vs-cinacalcet-on-serum-parathyroid-hormone-in-patients-receiving-hemodialysis-with-secondary-hyperparathyroidism-a-randomized-clinical-trial
#18
RANDOMIZED CONTROLLED TRIAL
Geoffrey A Block, David A Bushinsky, Sunfa Cheng, John Cunningham, Bastian Dehmel, Tilman B Drueke, Markus Ketteler, Reshma Kewalramani, Kevin J Martin, Sharon M Moe, Uptal D Patel, Justin Silver, Yan Sun, Hao Wang, Glenn M Chertow
Importance: Secondary hyperparathyroidism contributes to extraskeletal calcification and is associated with all-cause and cardiovascular mortality. Control is suboptimal in the majority of patients receiving hemodialysis. An intravenously (IV) administered calcimimetic could improve adherence and reduce adverse gastrointestinal effects. Objective: To evaluate the relative efficacy and safety of the IV calcimimetic etelcalcetide and the oral calcimimetic cinacalcet...
January 10, 2017: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/28097355/effect-of-etelcalcetide-vs-placebo-on-serum-parathyroid-hormone-in-patients-receiving-hemodialysis-with-secondary-hyperparathyroidism-two-randomized-clinical-trials
#19
RANDOMIZED CONTROLLED TRIAL
Geoffrey A Block, David A Bushinsky, John Cunningham, Tilman B Drueke, Markus Ketteler, Reshma Kewalramani, Kevin J Martin, T Christian Mix, Sharon M Moe, Uptal D Patel, Justin Silver, David M Spiegel, Lulu Sterling, Liron Walsh, Glenn M Chertow
Importance: Secondary hyperparathyroidism contributes to extraskeletal complications in chronic kidney disease. Objective: To evaluate the effect of the intravenous calcimimetic etelcalcetide on serum parathyroid hormone (PTH) concentrations in patients receiving hemodialysis. Design, Setting, and Participants: Two parallel, phase 3, randomized, placebo-controlled treatment trials were conducted in 1023 patients receiving hemodialysis with moderate to severe secondary hyperparathyroidism...
January 10, 2017: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/28094031/patients-receiving-frequent-hemodialysis-have-better-health-related-quality-of-life-compared-to-patients-receiving-conventional-hemodialysis
#20
Amit X Garg, Rita S Suri, Paul Eggers, Fredric O Finkelstein, Tom Greene, Paul L Kimmel, Alan S Kliger, Brett Larive, Robert M Lindsay, Andreas Pierratos, Mark Unruh, Glenn M Chertow
Most patients with end-stage kidney disease value their health-related quality of life (HRQoL) and want to know how it will be affected by their dialysis modality. We extended the findings of two prior clinical trial reports to estimate the effects of frequent compared to conventional hemodialysis on additional measures of HRQoL. The Daily Trial randomly assigned 245 patients to receive frequent (six times per week) or conventional (three times per week) in-center hemodialysis. The Nocturnal Trial randomly assigned 87 patients to receive frequent nocturnal (six times per week) or conventional (three times per week) home hemodialysis...
March 2017: Kidney International
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