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residual renal function

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https://www.readbyqxmd.com/read/29324912/diuresis-renography-and-ultrasonography-in-children-with-antenatally-detected-hydronephrosis-can-support-diagnoses-and-suggest-related-surgery-treatment
#1
M Radulović, S Beatović, M Janković, Dragana Šobić-Šaranović, Vera Artiko, Boris Ajdinović
OBJECTIVE: Prenatal ultrasound (US) screening detects the hydronephrosis (HN)-dilatation of fetal renal collecting system in 1%-5% of all pregnancies. In most children, HN is detected by prenatal US screening between 18-20 gestational week. Pelvi- ureteric junction (PUJ) stenosis is the most common etiological factor of prenatal HN and requires postnatal follow-up. Diuresis renography plays important role in the follow-up by complementing morphological information obtained by US with the data about differential renal function (DRF) and drainage...
September 2017: Hellenic Journal of Nuclear Medicine
https://www.readbyqxmd.com/read/29320699/lret-determination-of-molecular-distances-during-ph-gating-of-the-mammalian-inward-rectifier-kir1-1b
#2
Mikheil Nanazashvili, Jorge E Sánchez-Rodríguez, Ben Fosque, Francisco Bezanilla, Henry Sackin
Gating of the mammalian inward rectifier Kir1.1 at the helix bundle crossing (HBC) by intracellular pH is believed to be mediated by conformational changes in the C-terminal domain (CTD). However, the exact motion of the CTD during Kir gating remains controversial. Crystal structures and single-molecule fluorescence resonance energy transfer of KirBac channels have implied a rigid body rotation and/or a contraction of the CTD as possible triggers for opening of the HBC gate. In our study, we used lanthanide-based resonance energy transfer on single-Cys dimeric constructs of the mammalian renal inward rectifier, Kir1...
January 9, 2018: Biophysical Journal
https://www.readbyqxmd.com/read/29306638/rectus-abdominis-detrusor-myoplasty-radm-for-acontractile-hypocontractile-bladder-in-spinal-cord-injury-patients-preliminary-report
#3
Pawan Agarwal, Shabbir Husain, Sudesh Wankhede, D Sharma
BACKGROUND: Urinary bladder dysfunction in the form of acontractile/hypocontractile bladder is very common after spinal cord injury and it may lead to recurrent urinary tract infection (UTI), stones formation, and deteriorating renal function. Conventionally, these patients evacuate their bladders by life-long clean intermittent catheterization (CIC) or an indwelling catheter (IC). For these patients, another option is to use innervated skeletal muscle wrap around the bladder to augment detrusor function and voluntary evacuation of bladder...
December 14, 2017: Journal of Plastic, Reconstructive & Aesthetic Surgery: JPRAS
https://www.readbyqxmd.com/read/29298046/conjugation-with-eight-arm-peg-markedly-improves-the-in-vitro-activity-and-prolongs-the-blood-circulation-of-staphylokinase
#4
Fangbing Qi, Chunyang Hu, Weili Yu, Tao Hu
Staphylokinase (SAK) is a profibrinolytic protein and can be used for therapy of acute myocardial infarction and coronary thrombosis. However, SAK suffers from a short serum half-life time (~6 min) that limits its clinical application. PEGylation prolongs the half-life time of SAK, whereas significantly decreases the bioactivity of SAK for the steric shielding effect of PEG. To improve the bioactivity and prolong the half-life time of SAK, 8-arm PEG maleimide (8-arm PEG) was used for conjugation of multiple SAK molecules in one entity...
January 3, 2018: Bioconjugate Chemistry
https://www.readbyqxmd.com/read/29297082/enhancing-recovery-from-sepsis-a-review
#5
REVIEW
Hallie C Prescott, Derek C Angus
Importance: Survival from sepsis has improved in recent years, resulting in an increasing number of patients who have survived sepsis treatment. Current sepsis guidelines do not provide guidance on posthospital care or recovery. Observations: Each year, more than 19 million individuals develop sepsis, defined as a life-threatening acute organ dysfunction secondary to infection. Approximately 14 million survive to hospital discharge and their prognosis varies. Half of patients recover, one-third die during the following year, and one-sixth have severe persistent impairments...
January 2, 2018: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/29285429/relationship-between-serum-uric-acid-and-mortality-among-hemodialysis-patients-retrospective-analysis-of-korean-end-stage-renal-disease-registry-data
#6
Chang Seong Kim, Dong-Chan Jin, Young Cheol Yun, Eun Hui Bae, Seong Kwon Ma, Soo Wan Kim
Background: It is thought that hyperuricemia might lower the risk of mortality among hemodialysis patients, unlike in the general population, but the evidence is controversial. The aim of the current study was to evaluate the impact of serum uric acid level on the long-term clinical outcomes of hemodialysis patients in Korea. Methods: Retrospective analysis was performed on data from the End-Stage Renal Disease Registry of the Korean Society of Nephrology. This included data for 7,333 patients (mean age, 61 ± 14 years; 61% male) who received hemodialysis from January 2001 through April 2015...
December 2017: Kidney Research and Clinical Practice
https://www.readbyqxmd.com/read/29277508/risk-predictors-and-causes-of-technique-failure-within-the-first-year-of-peritoneal-dialysis-an-australia-and-new-zealand-dialysis-and-transplant-registry-anzdata-study
#7
Emily J See, David W Johnson, Carmel M Hawley, Elaine M Pascoe, Sunil V Badve, Neil Boudville, Philip A Clayton, Kamal Sud, Kevan R Polkinghorne, Monique Borlace, Yeoungjee Cho
BACKGROUND: Concern regarding technique failure is a major barrier to increased uptake of peritoneal dialysis (PD), and the first year of therapy is a particularly vulnerable time. STUDY DESIGN: A cohort study using competing-risk regression analyses to identify the key risk factors and risk periods for early transfer to hemodialysis therapy or death in incident PD patients. SETTING & PARTICIPANTS: All adult patients who initiated PD therapy in Australia and New Zealand in 2000 through 2014...
December 22, 2017: American Journal of Kidney Diseases: the Official Journal of the National Kidney Foundation
https://www.readbyqxmd.com/read/29248147/sequelae-of-aki
#8
REVIEW
Samir S Patel, Carlos E Palant, Vrinda Mahajan, Lakhmir S Chawla
Large epidemiologic studies in a variety of patient populations reveal increased morbidity and mortality that occur months to years after an episode of acute kidney injury (AKI). Even milder forms of AKI have increased associated morbidity and mortality. Residual confounding may account for these findings, but considering the huge number of individuals afflicted with AKI, the sequelae of AKI may be a very large public health burden. AKI may simply be a marker for increased risk, but there is increasing evidence that it is part of the causal pathway to chronic kidney disease...
September 2017: Best Practice & Research. Clinical Anaesthesiology
https://www.readbyqxmd.com/read/29234538/can-androgen-deprivation-therapy-obviate-the-need-of-channel-transurethral-resection-of-the-prostate-in-advanced-prostate-cancer-with-urinary-retention-a-prospective-study
#9
Rajeev Sood, Ritesh Kumar Singh, Hemant Goel, T Manasa, Nikhil Khattar, Mahesh C Tripathi
Objective: To evaluate the efficacy of androgen-deprivation therapy (ADT) in relieving urinary retention in patients with advanced prostate cancer presenting with urinary retention or a high post-void residual urine volume (PVR). Patients and methods: Patients with advanced prostate cancer with an indwelling catheter for acute/chronic urinary retention, or with a high PVR (>200 mL) who had not received any previous treatment were included in the study. Patients with localised prostate cancer eligible for receiving any therapy aimed at cure were excluded...
December 2017: Arab Journal of Urology
https://www.readbyqxmd.com/read/29229756/decoding-the-molecular-switches-of-natriuretic-peptides-which-differentiate-its-vascular-and-renal-functions
#10
Sindhuja Sridharan, R Manjunatha Kini
Heart failure (HF) is associated with high morbidity and mortality. Dysfunction of blood pressure and/or volume homeostatic processes result in lower perfusion and/or congestion. Treatment strategies exerting differential effects on pressure and volume mechanisms are critical in handling patients with HF. Atrial natriuretic peptides (ANP) is a key hormone in maintaining circulation. It binds to NP receptor-A (NPR-A) on vasculature, kidneys and nervous system to lowers blood pressure and volume. It exerts a concentration-dependent pharmacological activity; only increased renal excretion of water and sodium at low doses and vasodilation along with renal effects at slightly higher doses...
December 11, 2017: Biochemical Journal
https://www.readbyqxmd.com/read/29227979/higher-serum-hepatocyte-growth-factor-concentration-is-associated-with-better-preservation-of-gfr-in-hemodialysis-patients
#11
Ewa Baum, Beata Maćkowiak, Patrycja Sosińska-Zawierucha, Krzysztof Pawlaczyk, Barbara Kołodziejczak, Andrzej Breborowicz
BACKGROUND/AIMS: Hemodialysis induces an intravascular inflammatory reaction which may further deteriorate renal function. We studied changes of serum interleukin 6 (IL6) and hepatocyte growth factor (HGF) concentrations during dialysis sessions, and at 12 month intervals. The synthesis of these cytokines in arterial endothelial cells in the presence of serum obtained from dialyzed patients was studied. Changes of the inflammatory reaction during 12 months of treatment were correlated with GFR...
December 8, 2017: Kidney & Blood Pressure Research
https://www.readbyqxmd.com/read/29223620/impact-of-obesity-on-modality-longevity-residual-kidney-function-peritonitis-and-survival-among-incident-peritoneal-dialysis-patients
#12
Yoshitsugu Obi, Elani Streja, Rajnish Mehrotra, Matthew B Rivara, Connie M Rhee, Melissa Soohoo, Daniel L Gillen, Wei-Ling Lau, Csaba P Kovesdy, Kamyar Kalantar-Zadeh
BACKGROUND: The prevalence of severe obesity, often considered a contraindication to peritoneal dialysis (PD), has increased over time. However, mortality has decreased more rapidly in the PD population than the hemodialysis (HD) population in the United States. The association between obesity and clinical outcomes among patients with end-stage kidney disease remains unclear in the current era. STUDY DESIGN: Historical cohort study. SETTING & PARTICIPANTS: 15,573 incident PD patients from a large US dialysis organization (2007-2011)...
December 6, 2017: American Journal of Kidney Diseases: the Official Journal of the National Kidney Foundation
https://www.readbyqxmd.com/read/29219795/-platelet-function-tests-tailored-antiplatelet-therapy-for-vascular-patients
#13
A R T Brand, S J A Korporaal, R T Urbanus, G Pasterkamp, G J de Borst
- Platelet aggregation inhibitors, also known as antiplatelet therapy (APT), are prescribed for the prevention of secondary cardiovascular events (CVE) after endovascular revascularization procedures.- Platelet aggregation inhibitors are not equally effective in all patients. The phenomenon of high residual platelet reactivity despite APT is called 'high on-treatment platelet reactivity' (HTPR); it bears an increased risk of secondary CVE.- Platelet function tests (PFT) can be used to diagnose HTPR. There are various tests available; of those, light transmission aggregometry (LTA) is considered the gold standard...
2017: Nederlands Tijdschrift Voor Geneeskunde
https://www.readbyqxmd.com/read/29189291/effect-of-thoracic-epidural-ropivacaine-versus-bupivacaine-on-lower-urinary-tract-function-a-randomized-clinical-trial
#14
Stefan A Girsberger, Marc P Schneider, Lukas M Löffel, Fiona C Burkhard, Patrick Y Wuethrich
BACKGROUND: Thoracic epidural analgesia with bupivacaine resulted in clinically relevant postvoid residuals due to detrusor underactivity. This study aimed to compare the risk of bladder dysfunction with ropivacaine versus bupivacaine using postvoid residuals and maximum flow rates. Our hypothesis was that ropivacaine would result in lower postvoid residuals, because ropivacaine has been shown to have less effect on motor blockade. METHODS: In this single-center, parallel-group, randomized, double-blind superiority trial, 42 patients undergoing open renal surgery were equally allocated to receive epidural bupivacaine 0...
November 21, 2017: Anesthesiology
https://www.readbyqxmd.com/read/29178879/residual-renal-function-in-chronic-dialysis-is-not-associated-with-reduced-erythropoietin-stimulating-agent-dose-requirements-a-cross-sectional-study
#15
Elizabeth Helene Louw, Mogamat-Yazied Chothia
BACKGROUND: Anaemia is a very common problem in patients with end-stage kidney disease (ESKD) and the use of erythropoietin-stimulating agents (ESA) has revolutionised its treatment. Residual renal function (RRF) is associated with a reduction in ESA resistance and mortality in chronic dialysis. The primary aim was to establish whether RRF has an association with ESA dose requirements in ESKD patients receiving chronic dialysis. METHODS: A single center, cross-sectional study involving 100 chronic dialysis patients was conducted from December 2015 to May 2016...
November 25, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/29161688/plasma-beta-trace-protein-as-a-marker-of-residual-renal-function-the-effect-of-different-hemodialysis-modalities-and-intra-individual-variability-over-time
#16
Amaryllis H van Craenenbroeck, Ann-Christin Bragfors-Helin, Abdul Rashid Qureshi, Bengt Lindholm, Bodil Sjöberg, Björn Anderstam, Olof Heimburger, Peter Stenvinkel, Peter Bárány
BACKGROUND/AIMS: Beta-trace protein (BTP) is a low-molecular-weight molecule, which may be used to assess residual renal function (RRF) in dialysis patients. Here we evaluated the influence of hemodialysis (HD) and hemodiafiltration (HDF) on plasma BTP, and analyzed the inter- and intra-individual variability of plasma BTP over time in HD and peritoneal dialysis (PD) patients. METHODS: In 12 prevalent HD patients, the effect of a single session of low-flux HD, high-flux HD and HDF on plasma BTP was studied...
November 22, 2017: Kidney & Blood Pressure Research
https://www.readbyqxmd.com/read/29160569/reconstruction-of-bladder-function-and-prevention-of-renal-deterioration-by-means-of-end-to-side-neurorrhaphy-in-rats-with-neurogenic-bladder
#17
Yun Long Li, Jian Jun Wen, Yi Bo Wen, Xiang Fei He, Jun Wei Wu, Yan Wei Li, Zhong Jiang Han, Jin Jin Feng, Shao Hua Yan, Shou Lin Li, John Pfa Heesakkers, Wan Sheng Gao, Jian Guo Wen
AIMS: To investigate the feasibility of restoring bladder function and prevention of renal deterioration by neurorrhaphy in rats with neurogenic bladder (NB). METHODS: Forty-two rats were assigned to the end-to-side nerve coaptation group (ECG, n = 16), no nerve coaptation group (NCG, n = 16), and control group (CG, n = 10). In the ECG, the left ventral root (VR) and dorsal root (DR) of L6 and S1 were transected, and the distal stump of L6VR was sutured to the lateral face of L4VR...
November 21, 2017: Neurourology and Urodynamics
https://www.readbyqxmd.com/read/29158495/the-prevalence-of-muscle-wasting-sarcopenia-in-peritoneal-dialysis-patients-varies-with-ethnicity-due-to-differences-in-muscle-mass-measured-by-bioimpedance
#18
Suree Yoowannakul, Kamonwan Tangvoraphonkchai, Andrew Davenport
BACKGROUND/OBJECTIVES: Sarcopenia is associated with increased mortality. European and North American recommended screening for low muscle mass uses gender specific cut points, with no adjustment for ethnicity. We wished to determine whether the prevalence of sarcopenia was altered by ethnicity in peritoneal dialysis (PD) patients. SUBJECTS/METHODS: We measured appendicular lean mass indexed to height (ALMI) in PD patients by segmental bioimpedance and determined sarcopenia using different cut off points for reduced muscle mass...
November 21, 2017: European Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/29149951/predictive-factors-of-renal-adaptation-after-nephrectomy-in-kidney-donors
#19
H J Kwon, D H Kim, H R Jang, S-H Jung, D H Han, H H Sung, J B Park, J E Lee, W Huh, S J Kim, Y-G Kim, D J Kim, H Y Oh
BACKGROUND: Despite compensatory hyperfiltration in remaining nephrons following donor nephrectomy, some donors show impaired renal adaptation and low estimated glomerular filtration rate (eGFR). We investigated the factors predicting early renal adaptation after nephrectomy and identified kidney donors at risk of inadequate renal adaptation. METHODS: A total of 265 living kidney donors from 2010 to 2013 were retrospectively analyzed. Renal function was serially followed for 6 months after the operation...
November 2017: Transplantation Proceedings
https://www.readbyqxmd.com/read/29139376/the-longitudinal-effects-of-peritonitis-on-peritoneal-membrane-function%C3%A2
#20
Christopher S B Sia, Eldho Paul, Peter Tregaskis, Rowan G Walker, Scott G Wilson
BACKGROUND: The longitudinal effects of peritoneal dialysis (PD) peritonitis on small solute clearance and ultrafiltration are controversial. MATERIALS AND METHODS: We identified 27 patients with PD peritonitis over a 4-year period at a tertiary hospital. Adequacy tests at an "early" (1 - 3 months), "intermediate" (6 ± 2 months), and a "late" (12 ± 2 months) time period after the episode were compared with a pre-peritonitis baseline. The effect of time on serum albumin, weekly creatinine clearance, Kt/V, and net fluid volume removal was assessed...
December 2017: Clinical Nephrology
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