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https://www.readbyqxmd.com/read/29244647/diagnosis-and-treatment-of-hyperkalemia
#1
REVIEW
Biff F Palmer, Deborah J Clegg
Hyperkalemia results either from the shift of potassium out of cells or from abnormal renal potassium excretion. Cell shift leads to transient increases in the plasma potassium concentration, whereas decreased renal excretion of potassium leads to sustained hyperkalemia. Impairments in renal potassium excretion can be the result of reduced sodium delivery to the distal nephron, decreased mineralocorticoid level or activity, or abnormalities in the cortical collecting duct. In some instances, all 3 of these perturbations are present...
December 2017: Cleveland Clinic Journal of Medicine
https://www.readbyqxmd.com/read/29244077/population-pharmacokinetics-and-probability-of-target-attainment-of-ertapenem-administered-by-subcutaneous-or-intravenous-route-in-patients-with-bone-and-joint-infection
#2
Sylvain Goutelle, Florent Valour, Marie-Claude Gagnieu, Frédéric Laurent, Christian Chidiac, Tristan Ferry
Background: Ertapenem is a therapeutic option in patients with Gram-negative bone and joint infection (BJI). The subcutaneous (sc) route of administration is convenient in the outpatient setting and has shown favourable pharmacokinetics (PK), but available data on ertapenem are limited. Objectives: To perform population PK analysis and pharmacokinetic/pharmacodynamic (PK/PD) simulation of ertapenem administered by the intravenous (iv) or sc route to patients with BJI...
December 13, 2017: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/29243035/systemic-lupus-erythematosus-and-ocular-involvement-an-overview
#3
REVIEW
Rosanna Dammacco
Systemic lupus erythematosus (SLE) is a multisystem autoimmune disease of undefined etiology and with remarkably heterogeneous clinical features. Virtually any organ system can be affected, including the eye. SLE-related eye involvement can be diagnosed in approximately one-third of the patients and is usually indicative of disease activity. An early diagnosis and the adoption of suitable therapeutic measures are necessary to prevent sight-threatening consequences, especially in patients with juvenile SLE. Periocular lesions, such as eyelid involvement and orbital inflammation, are relatively rare and, in case of orbital masses, may require a biopsy control...
December 14, 2017: Clinical and Experimental Medicine
https://www.readbyqxmd.com/read/29242746/a-practical-method-of-i-131-thyroid-cancer-therapy-dose-optimization-using-estimated-effective-renal-clearance
#4
Brandon A Howard, Olga G James, Jennifer M Perkins, Robert A Pagnanelli, Salvador Borges-Neto, Robert E Reiman
In thyroid cancer patients with renal impairment or other complicating factors, it is important to maximize I-131 therapy efficacy while minimizing bone marrow and lung damage. We developed a web-based calculator based on a modified Benua and Leeper method to calculate the maximum I-131 dose to reduce the risk of these toxicities, based on the effective renal clearance of I-123 as measured from two whole-body I-123 scans, performed at 0 and 24 h post-administration.
2017: SAGE Open Medical Case Reports
https://www.readbyqxmd.com/read/29242728/quantitative-single-photon-emission-computed-tomography-computed-tomography-for-glomerular-filtration-rate-measurement
#5
Yeon-Koo Kang, Sohyun Park, Min Seok Suh, Seok-Soo Byun, Dong-Wan Chae, Won Woo Lee
Purpose: We propose a quantitative Tc-99m diethylenetriaminepentaacetic acid (DTPA) single-photon emission computed tomography/computed tomography (SPECT/CT) for glomerular filtration rate (GFR) measurement. Methods: Quantitative SPECT/CT data obtained at 2-3 min post-Tc-99m DTPA injection (370 MBq) were used to determine % injected doses (%IDs) for individual kidneys. The reproducibility of %ID measurement was tested and compared with planar scintigraphy. Cr-51 ethylenediaminetetraacetic acid (EDTA) GFR was used as reference standard...
December 2017: Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/29242399/novel-functional-renal-imaging-with-18f-fds-pet-in-rat-models-of-kidney-diseases
#6
Rudolf Werner, Hiroshi Wakabayashi, Xinyu Chen, Mitsuru Hirano, Tetsuya Shinaji, Constantin Lapa, Steven P Rowe, Mehrbod S Javadi, Takahiro Higuchi
Background: Precise regional quantitative assessment of renal function is limited with conventional 99mTc-labeled renal radiotracers. A recent study reported that the positron emission tomography (PET) radiotracer 2-deoxy-2-18F-fluorosorbitol (18F-FDS) has ideal pharmacokinetics for functional renal imaging. Furthermore, 18F-FDS is available via simple reduction from routinely used 2-deoxy-2-18F-fluoro-D-glucose (18F-FDG). We aimed to further investigate the potential of 18F-FDS PET as a functional renal imaging agent using rat models of kidney diseases...
December 14, 2017: Journal of Nuclear Medicine: Official Publication, Society of Nuclear Medicine
https://www.readbyqxmd.com/read/29242099/downregulation-of-circulating-mots-c-levels-in-patients-with-coronary-endothelial-dysfunction
#7
Qing Qin, Silvia Delrio, Junxiang Wan, R Jay Widmer, Pinchas Cohen, Lilach O Lerman, Amir Lerman
BACKGROUND: MOTS-c is one of the newly identified mitochondrial-derived peptides which play a role in regulating metabolic homeostasis. The current study aimed to investigate whether circulating MOTS-c levels are also associated with endothelial dysfunction(ED) in patients without significant structural coronary lesions. METHODS: Forty patients undergoing coronary angiography and endothelial function testing for clinical indications of recurrent angina with no structural coronary lesions were included in the study...
December 6, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/29241386/modified-risk-associations-of-lipoproteins-and-apolipoproteins-by-chronic-low-grade-inflammation
#8
Altan Onat, Aysem Kaya, Evin Ademoglu
Lipoproteins and the apolipoproteins (apo) that they carry are major determinants of cardiovascular diseases (CVD) as well as metabolic, renal and inflammatory chronic disorders either directly or through mediation of risk factors. The notion that elevated low-density lipoprotein cholesterol (LDL-C) and apoB levels are related to the acquisition of CVD and, high-density lipoprotein cholesterol (HDL-C) and apoA-I indicate protection against CVD has been challenged in the past decade. Advanced age, adiposity, ethnicity or impaired glucose intolerance rendered autoimmune activation in an environment of pro-inflammatory state/oxidative stress and may disrupt the linear risk association between lipoproteins...
December 15, 2017: Expert Review of Cardiovascular Therapy
https://www.readbyqxmd.com/read/29239000/minimal-physiologically-based-pharmacokinetic-and-drug-drug-disease-interaction-model-of-rivaroxaban-and-verapamil-in-healthy-and-renally-impaired-subjects
#9
Mohamed Ismail, Vincent H Lee, Christina R Chow, Christopher M Rubino
Current dosing recommendations for rivaroxaban advocate dosage reduction in patients with moderate to severe renal impairment and avoidance of concomitant strong inhibitors of CYP3A or P-glycoprotein. However, rivaroxaban dosing in patients with mild renal impairment taking concomitant moderate inhibitors of CYP3A and P-glycoprotein is not addressed. To quantify the impacts of concomitant verapamil administration and renal impairment on rivaroxaban pharmacokinetics, a minimal physiologically based pharmacokinetic model system was developed and used to evaluate potential increases in rivaroxaban exposure and the consequent increase in risk of major bleeding...
December 14, 2017: Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/29238798/association-between-hypercoagulable-conditions-and-calciphylaxis-in-patients-with-renal-disease-a-case-control-study
#10
Allison S Dobry, Lauren N Ko, Jessica St John, J Mark Sloan, Sagar Nigwekar, Daniela Kroshinsky
Importance: Calciphylaxis is a rare skin disease with high morbidity and mortality that frequently affects patients with renal disease. Hypercoagulable conditions are frequently observed in both patients with calciphylaxis and those with chronic kidney disease (CKD), complicating our understanding of which hypercoagulable conditions are specific to calciphylaxis. Objective: To identify hypercoagulable conditions that are risk factors for developing calciphylaxis while controlling for CKD...
December 13, 2017: JAMA Dermatology
https://www.readbyqxmd.com/read/29237999/the-relationships-among-hyperuricemia-body-mass-index-and-impaired-renal-function-in-type-2-diabetic-patients
#11
Yongmei Li, Xing Fan, Chunjun Li, Xinyue Zhi, Liyuan Peng, Hongling Han, Bei Sun
Chronic kidney disease (CKD) is a common chronic microvascular complication and the major cause of death in diabetic patients. This study was conceived to explore the possible mechanisms of how hyperuricemia and obesity contribute to renal function impairment in type 2 diabetic (T2DM) patients. A cross-sectional study in 609 participants recruited from a T2DM population in North China was conducted. The multiplicative interaction between body mass index (BMI) and uric acid (UA) level was assessed using an interaction term in a logistic regression analysis...
December 13, 2017: Endocrine Journal
https://www.readbyqxmd.com/read/29235388/early-outcomes-of-the-t-branch-off-the-shelf-multibranched-stent-graft-in-urgent-thoracoabdominal-aortic-aneurysm-repair
#12
Konstantinos Spanos, Tilo Kölbel, Myrto Theodorakopoulou, Franziska Heidemann, Fiona Rohlffs, Eike Sebastian Debus, Nikolaos Tsilimparis
PURPOSE: To assess the short-term outcomes of the multibranched off-the-shelf t-Branch stent-graft for urgent thoracoabdominal aortic aneurysm (TAAA) repair and to evaluate the impact on outcomes of the learning curve and adherence to the instruction for use (IFU). METHODS: Between 2014 and 2017, 42 patients (mean age 73.3±7 years; 26 men) underwent urgent TAAA treatment using the t-Branch stent-graft [18 in the early (2014-2015) period and 24 in the late (2016-2017) period]...
December 1, 2017: Journal of Endovascular Therapy
https://www.readbyqxmd.com/read/29234409/antcin-h-isolated-from-antrodia-cinnamomea-inhibits-renal-cancer-cell-invasion-partly-through-inactivation-of-fak-erk-c-ebp-%C3%AE-c-fos-mmp-7-pathways
#13
Kun-Yuan Chiu, Tzu-Hsiu Chen, Chi-Luan Wen, Jin-Mei Lai, Chi-Chih Cheng, Hsiang-Chun Liu, Shih-Lan Hsu, Yew-Min Tzeng
Antcin-H, a natural triterpene, is purified from a famous anticancer medicinal mushroom, Antrodia cinnamomea, in Taiwan. This study showed that antcin-H inhibited the growth of human renal carcinoma 786-0 cells; the IC50 value (for 48 h) was 170 μM. Besides, the migration and invasion of 786-0 cells were suppressed by antcin-H under noncytotoxic concentrations (<100 μM); these events were accompanied by inhibition of FAK and Src kinase activities, decrease of paxillin phosphorylation, impairment of lamellipodium formation, and upregulation of TIMPs and downregulation of MMPs, especially MMP-7 expression...
2017: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/29234261/the-inverse-association-between-the-baseline-renal-function-and-overall-survival-in-patients-with-metastatic-renal-cell-carcinoma-treated-with-molecular-targeted-agents
#14
Hideaki Miyake, Satoshi Imai, Seiichiro Ozono, Masato Fujisawa
Background: The objective of this study was to investigate the prognostic significance of the baseline renal function in metastatic renal cell carcinoma (mRCC) patients treated with molecular-targeted agents. Patients and Methods: This study included 408 consecutive mRCC patients receiving molecular-targeted therapy, consisting of 124 patients in group A and 284 patients in group B who had baseline estimated glomerular filtration rates ≥ 60 ml/min/1.73 m2 and < 60 ml/min/1...
November 2017: Current Urology
https://www.readbyqxmd.com/read/29234197/echocardiographic-and-electrocardiographic-predictors-of-adverse-outcomes-in-spontaneous-bacterial-peritonitis
#15
Mahek Shah, Soumya Patnaik, Obiora Maludum, Shantanu Patil, Toni Anne De Venecia, Vincent M Figueredo
Background: Patients with cirrhosis who develop Spontaneous Bacterial Peritonitis (SBP) suffer from cirrhotic cardiomyopathy which is characterized by impaired contractility in response to stress despite a relatively normal resting cardiac output. We hypothesized that electrocardiographic and echocardiographic information would help prognosticate patients developing SBP in addition to existing scoring systems. Methods: Cirrhotic patients admitted to Einstein Medical Center from 01/01/2005 to 6/30/2012 for SBP, and did not receive a transplant within one year, were included...
December 2017: Journal of Clinical and Experimental Hepatology
https://www.readbyqxmd.com/read/29233598/predictors-of-early-operative-mortality-and-long-term-survival-in-octogenarians-undergoing-open-and-endovascular-repair-of-abdominal-aortic-aneurysm
#16
Y Law, Y C Chan, S W Cheng
BACKGROUND: The study aims to report outcomes of open repair (OR) and endovascular aneurysm repair (EVAR) in octogenarians. METHODS: Consecutive patients aged between 80 and 89 who underwent OR or EVAR were identified from a prospectively collected departmental database. Short-term outcomes included 30 days mortalities and perioperative complications; long-term outcomes included overall survival and re-intervention using the Kaplan-Meier method. Logistic regression was used to identify predictors for operative mortality and Cox regression analysis was used to identify predictors for long-term survival...
December 9, 2017: Asian Journal of Surgery
https://www.readbyqxmd.com/read/29231753/rates-of-insufficiency-and-deficiency-of-vitamin-d-levels-in-elite-professional-male-and-female-skiers-a-chronobiologic-approach
#17
Jacopo Antonino Vitale, Giovanni Lombardi, Luca Cavaleri, Rosa Graziani, Herbert Schoenhuber, Antonio La Torre, Giuseppe Banfi
Vitamin D is essential for the maintenance and promotion of musculoskeletal health, for the functioning of the immune, cardiovascular and reproductive systems, and its main action is to keep calcium and phosphate plasmatic physiological concentrations at intestinal, renal and bony level. Vitamin D affects several parameters related to physical performance too and a particularly high percentage of vitamin D insufficiency and deficiency in professional athletes has been observed. Several variables are able to impair the synthesis of 25(OH)D in athletes, specifically both genetic and environmental factors, but the most probable explanation for the deficient/insufficient vitamin D levels is the insufficient ultraviolet B light (UVB) exposure during winter...
December 12, 2017: Chronobiology International
https://www.readbyqxmd.com/read/29229941/urinary-endotrophin-predicts-disease-progression-in-patients-with-chronic-kidney-disease
#18
Daniel Guldager Kring Rasmussen, Anthony Fenton, Mark Jesky, Charles Ferro, Peter Boor, Martin Tepel, Morten Asser Karsdal, Federica Genovese, Paul Cockwell
Renal fibrosis is the central pathogenic process in progression of chronic kidney disease (CKD). Collagen type VI (COL VI) is upregulated in renal fibrosis. Endotrophin is released from COL VI and promotes pleiotropic pro-fibrotic effects. Kidney disease severity varies considerably and accurate information regarding CKD progression may improve clinical decisions. We tested the hypothesis that urinary endotrophin derived during COL VI deposition in fibrotic human kidneys is a marker for progression of CKD in the Renal Impairment in Secondary Care (RIISC) cohort, a prospective observational study of 499 CKD patients...
December 11, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29229166/holding-water-congenital-anomalies-of-the-kidney-and-urinary-tract-ckd-and-the-ongoing-role-of-excellence-in-plumbing
#19
REVIEW
Lars J Cisek
Congenital anomalies of the kidneys and urinary tracts can result in diminished natal kidney function, possibly through common embryologic pathway disruption or as a result of development taking place in the face of disordered 'post-renal' drainage. Impaired conduit and reservoir function present potential for an ongoing assault leading to further deterioration and progression of chronic kidney disease, a risk that extends to adults with these conditions, even after "correction". The drainage and storage aspects of the urinary system that can impact kidney function are reviewed with attention to correctable or manageable problems including: Bladder dysfunction wherein the low pressure storage of urine is compromised requiring the kidney to work against a pressure gradient, the classic post renal failure problem...
November 2017: Advances in Chronic Kidney Disease
https://www.readbyqxmd.com/read/29227568/the-effect-of-small-dose-of-topiroxostat-on-serum-uric-acid-in-patients-receiving-hemodialysis
#20
Yume Nagaoka, Yoshiko Tanaka, Hiroshi Yoshimoto, Rie Suzuki, Kakei Ryu, Mio Ueda, Minako Akiyama, Miho Nagai, Yoshitaka Miyaoka, Eiichiro Kanda, Shinnichi Iwai, Michio Nagaoka, Yoshihiko Kanno
INTRODUCTION: Topiroxostat, a recently developed xanthine oxidase inhibitor, is expected to have fewer adverse effects than allopurinol because it has different mechanism of action from alloprinol. However, its dosage, usage and safety have not been established in patients with impaired renal function or those undergoing dialysis at the development since no studies was conducted in these patients. METHODS: Cross over clinical trial using 3 months of allopurinol and topiroxostat on 27 maintain Japanese HD patients were carried out...
December 11, 2017: Hemodialysis International
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