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Faster rate of blood volume change in pediatric hemodialysis patients impairs cardiac index
ConclusionThe cardiac index and stroke volume decreased significantly during the HD session. Patients with larger blood volume changes during the first 2  h of HD and at 4 h showed a significant decrease in cardiac index that did not recover at the completion of the HD treatment. Rate of fluid removal was the only significant risk factor for compromised cardiac index during HD. Conventional methods currently used for assisting fluid removal in HD ar e inadequate to assess hemodynamic changes.
Source: Pediatric Nephrology - January 1, 2017 Category: Urology & Nephrology Source Type: research

Dry weight assessment by combined ultrasound and bioimpedance monitoring in low cardiovascular risk hemodialysis patients: a randomized controlled trial
ConclusionsThis study shows that a LUS –bioimpedance-guided dry weight adjustment protocol, as compared to clinical evaluation, does not reduce all-cause mortality and/or CVE in HD patients. A fluid management protocol based on bioimpedance with LUS on indication might be a better strategy.
Source: International Urology and Nephrology - December 6, 2016 Category: Urology & Nephrology Source Type: research

Elevated serum homocysteine level as an independent risk factor for erectile dysfunction: a prospective pilot case –control study
Summary Homocysteine is an amino acid that is produced from the metabolic demethylation of dietary methionine. It has gained arising attention for its association with increased risk of myocardial infarction, stroke and venous thromboembolism. Erectile dysfunction (ED), especially for vasculogenic ED, is a vascular disorder of cavernosal vascular bed. In this prospective pilot case–control study, we investigated plasma homocysteine levels in 32 ED patients and 20 healthy control men. Related patients characteristics including age, weight, height, marital status, smoking and drinking status, level of education were collec...
Source: Andrologia - October 5, 2016 Category: Urology & Nephrology Authors: Z. Zhang, Z. Xu, Y. Dai, Y. Chen Tags: Original Article Source Type: research

Echocardiographic Parameters During Long and Short Interdialytic Intervals in Hemodialysis Patients
Conclusions Excess volume accumulation over the long interdialytic interval in hemodialysis patients results in higher left and right atrial enlargement and RVSP elevation, which clinically corresponds to pulmonary circulation overload, providing one plausible pathway for the excess mortality risk during this period.
Source: American Journal of Kidney Diseases - August 18, 2016 Category: Urology & Nephrology Source Type: research

Prostate size, nocturia, and the digital rectal exam: a cohort study of 30,500 men
ConclusionsDRE is a modestly accurate tool for measuring prostate volume. While DRE posterior surface area represents a statistically significant predictor of nocturia, the magnitude of effect suggests it has limited clinical utility for assessing this condition, particularly in the presence of cardiovascular risk factors.This article is protected by copyright. All rights reserved.
Source: BJU International - July 31, 2016 Category: Urology & Nephrology Authors: Benjamin V. Stone, Jonathan Shoag, Joshua A. Halpern, Sameer Mittal, Patrick Lewicki, David M. Golombos, Dina Bedretdinova, Bilal Chughtai, Christopher E. Barbieri, Richard K. Lee Tags: Original Article Source Type: research

Relevance of uric acid and asymmetric dimethylarginine for modeling cardiovascular risk prediction in chronic kidney disease patients
Conclusion Elevated serum uric acid and ADMA levels are associated with an increased cardiovascular risk, but their combination does not improve risk prediction. The effects are not additive, possibly because uric acid may lie in the causal pathway by which ADMA acts.
Source: International Urology and Nephrology - June 23, 2016 Category: Urology & Nephrology Source Type: research

Carotid Intima-Media Thickness and Incident ESRD: The Atherosclerosis Risk in Communities (ARIC) Study.
CONCLUSIONS: Carotid intima-media thickness was independently associated with incident ESRD in the general population, suggesting the shared etiology of atherosclerosis and ESRD. PMID: 27073198 [PubMed - as supplied by publisher]
Source: Clinical Journal of the American Society of Nephrology : CJASN - April 11, 2016 Category: Urology & Nephrology Authors: Pang Y, Sang Y, Ballew SH, Grams ME, Heiss G, Coresh J, Matsushita K Tags: Clin J Am Soc Nephrol Source Type: research

Renovascular hypertension: A report of 21 cases.
Abstract Renovascular hypertension (RVH) is among the most common forms of secondary hypertension. We studied 21 patients (eight male and 13 female) with RVH who were encountered during a period of 16 years. The average age of the patients was 34.75 years. Trans-renal Doppler ultrasound confirmed the diagnosis of renovascular stenosis (RAS) as the cause of RVH in 95% of the patients. Computed tomography angiography was performed in ten cases, which confirmed the diagnosis in all these cases. Magnetic resonance angiography was performed in only three patients. Renal scintigraphy was performed in 11 patients, with D...
Source: Saudi Journal of Kidney Diseases and Transplantation - January 1, 2014 Category: Urology & Nephrology Authors: Labidi J, Touat D, Abdelghanim K, Ajili F, Ariba YB, Abdelhafidh NB, Louzir B, Othmani S Tags: Saudi J Kidney Dis Transpl Source Type: research

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