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Renal review

Sun-Myoung Kang, Hyun Woo Lim, Hoon Yu
Although sudden sensorineural hearing loss (SSNHL) affects chronic kidney disease (CKD) patients more frequently than non-CKD patients, few reports have described SSNHL in dialysis patients. We aimed to review the characteristics of SSNHL in chronic dialysis patients and evaluate treatment responses to steroid therapy. We retrospectively reviewed the records of dialysis patients diagnosed with idiopathic SSNHL at Asan Medical Center between January 2000 and December 2014. Pure tone and speech audiometry analyzes were performed before and 2 weeks and 2 months after treatment onset to evaluate outcomes...
November 2018: Renal Failure
Jayson Lian, Nicole Levine, Woojin Cho
PURPOSE: To review the current literature on methods of accurate numeration of vertebral segments in patients with Lumbosacral transitional vertebrae (LSTVs). LSTVs are a common congenital anomaly of the L5-S1 junction. While their clinical significance has been debated, unquestionable is the need for their identification prior to spinal surgery. We hypothesize that there are no reliable landmarks by which we can accurately number transitional vertebrae, and thus a full spinal radiograph is required...
March 21, 2018: European Spine Journal
Jun-Il Yoo, Yong-Chan Ha
Sarcopenia was listed in the International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM) as M62.84, on October 1, 2016. Sarcopenia is primarily associated with metabolic diseases, such as diabetes, obesity, and cachexia, as well as chronic renal failure, congestive heart failure, and chronic obstructive pulmonary disease. Sarcopenia is also significantly associated with osteoporosis in elderly populations and the combined disease is defined as osteosarcopenia. Several studies have confirmed that sarcopenia and osteoporosis (osteosarcopenia) share common risk factors and biological pathways...
February 2018: Journal of Bone Metabolism
Clifford D Miles, Scott Westphal, AnnMarie Liapakis, Richard Formica
Purpose: The number of simultaneous liver-kidney transplants (SLKT) performed in the USA has been rising. The Organ Procurement and Transplantation Network implemented a new policy governing SLKT that specifies eligibility criteria for candidates to receive a kidney with a liver, and creates a kidney waitlist "safety net" for liver recipients with persistent renal failure after transplant. This review explores potential impacts for liver patients and the kidney waitlist. Recent Findings: Factors that have contributed to the rise in SLKT including Model for End-stage Liver Disease (MELD)-based allocation, regional sharing for high MELD candidates, and the rising incidence of non-alcoholic steatohepatitis will continue to increase the number of liver transplant candidates with concurrent renal insufficiency...
2018: Current Transplantation Reports
H Nagaraja, N Srivatsa, S Hemalatha, S Shweta, S K Raghunath
Although lymphadenectomy is currently accepted as most accurate and reliable staging procedure for lymph node metastases, its therapeutic benefit in renal cell carcinoma (RCC) still remains controversial. Although the new, targeted therapy paradigms have changed the treatment of patients with advanced RCC and offer prolonged survival, cure is extremely uncommon in the absence of surgical resections. In this paper, the current role of metastasectomy is reviewed. Review the available literature concerning the role of retroperitoneal lymph node dissection and metastasectomy in outcome of oligometastatic RCC...
March 2018: Indian Journal of Surgical Oncology
Jing Zhang, Qing Zhang
Von Hippel-Lindau (VHL) is an important tumor suppressor that is lost in the majority of clear cell carcinoma of renal cancer (ccRCC). Its regulatory pathway involves the activity of E3 ligase, which targets hypoxia inducible factor α (including HIF1α and HIF2α) for proteasome degradation. In recent years, emerging literature suggests that VHL also possesses other HIF-independent functions. This review will focus on VHL-mediated signaling pathways involving the latest identified substrates/binding partners, including N-Myc downstream-regulated gene 3 (NDRG3), AKT, and G9a, etc...
March 19, 2018: Biomedicines
Yoshihiro Morita, Macall Leslie, Hiroyasu Kameyama, David E Volk, Takemi Tanaka
Aptamer-related technologies represent a revolutionary advancement in the capacity to rapidly develop new classes of targeting ligands. Structurally distinct RNA and DNA oligonucleotides, aptamers mimic small, protein-binding molecules and exhibit high binding affinity and selectivity. Although their molecular weight is relatively small-approximately one-tenth that of monoclonal antibodies-their complex tertiary folded structures create sufficient recognition surface area for tight interaction with target molecules...
March 19, 2018: Cancers
Tina Stopp, Michael Feichtinger, Wolfgang Eppel, Thomas M Stulnig, Peter Husslein, Christian Göbl
McArdle disease or glycogen storage disease (GSD) type V is a rare autosomal recessive inherited disorder in skeletal muscle metabolism leading to exercise intolerance, muscle cramps and in some cases to rhabdomyolysis and acute renal failure due to elevated serum myoglobin levels. Albeit the uterine smooth muscle is not affected, pregnancy and delivery can be physically strenuous and may require specific anesthesiologic care. However, data on pregnancy progress and outcome and on special implications linked to anesthesia in women with McArdle's disease is scarce, thus posing a challenge to pre- and peripartal management...
March 21, 2018: Gynecological Endocrinology
Zhong Sheng Goh, Konstadina Griva
Psychiatric disorders commonly co-exist with the diagnosis of chronic kidney disease (CKD). Research on depression and CKD has increased to a great extent. Multiple studies have demonstrated that depression is more prevalent in CKD and that end-stage renal disease is a robust risk factor for adverse outcomes such as hospitalization and mortality, yet these are often underdiagnosed or untreated. This review provides a selective overview on the prevalence rates of depression and anxiety in patients with CKD and across renal replacement therapies, the factors most consistently associated with symptoms of distress and their clinical implications...
2018: International Journal of Nephrology and Renovascular Disease
Chih-Hsun Tai, Chi-Hao Shao, Chen-You Chen, Shu-Wen Lin, Chien-Chih Wu
Background: Treatment options are limited for infections due to multidrug-resistant Gram-positive pathogens. Daptomycin is a lipopeptide antibiotic with concentration-dependent killing characteristic and dose-dependent post-antibiotic effect. To achieve optimized pharma-codynamic effect, some experts advocated using a high dose of daptomycin (≥9 mg/kg) for severe infections. However, the safety of high-dose therapy in patients with renal impairment remains unknown. This study was aimed to evaluate the safety of daptomycin in patients with severe renal impairment...
2018: Therapeutics and Clinical Risk Management
Asokan Devarajan
The prevalence of kidney stones and cardiovascular diseases (CVDs) are increasing throughout the world. Both diseases are chronic and characterized by accumulation of oxidized proteins and lipids in the renal tissue and arterial wall, respectively. Emerging studies have revealed a positive association between nephrolithiasis and CVDs. Based on preclinical and clinical evidences, this review discusses: (i) stone forming risk factors, crystal nucleation, aggregation, injury-induced crystal retention, and stone formation, (ii) CVD risk factors such as dyslipidemia, perturbation of gut microbiome, obesity, free radical-induced lipoprotein oxidation, and retention in the arterial wall, subsequent foam cell formation, and atherosclerosis, (iii) mechanism by which stone forming risk factors such as oxalate, calcium, uric acid, and infection contribute toward CVDs, and (iv) how CVD risk factors, such as cholesterol, phospholipids, and uric acid, contribute to kidney stone formation are described...
March 30, 2018: Clinical Science (1979-)
D'Andrea K Joseph, Daniel Daman, Rae Lynne Kinler, Karyl Burns, Lenworth Jacobs
The aim of this study was to describe the management of severe blunt renal injuries at a Level I trauma hospital. Data were collected through a record review of patients admitted from January 1, 2000, to December 31, 2011. These data were compiled as part of our hospital's participation in the Nonoperative Management of Grade IV and V Blunt Renal Injuries: A Research Consortium of New England Centers for Trauma Study. Thirty-six patients with severe blunt renal injuries were identified. Twenty-nine (80.6%) underwent nonoperative management (NOM) for their injuries...
March 1, 2018: American Surgeon
M P Brizzi, A La Salvia, M Tampellini, C Sonetto, M Volante, G V Scagliotti
BACKGROUND: Everolimus was recently approved for the treatment of neuroendocrine tumors. However, its efficacy and tolerability in hemodialysis patients with end-stage renal disease is not established. CASE PRESENTATION: We describe the case of a 47-year-old man with end-stage renal disease who received everolimus plus Lanreotide for 9 months for the management of metastatic atypical bronchial carcinoid. CONCLUSIONS: Everolimus is a treatment option for hemodialysis patients with metastatic atypical bronchial carcinoid...
March 20, 2018: BMC Cancer
María Del Pino, Amado Andrés, Ana Ávila Bernabéu, Joaquín de Juan-Rivera, Elvira Fernández, Juan de Dios García Díaz, Domingo Hernández, José Luño, Isabel Martínez Fernández, José Paniagua, Manuel Posada de la Paz, José Carlos Rodríguez-Pérez, Rafael Santamaría, Roser Torra, Joan Torras Ambros, Pedro Vidau, Josep-Vicent Torregrosa
Fabry disease (FD) is a rare, X-linked disorder caused by mutations in the GLA gene encoding the enzyme α-galactosidase A. Complete or partial deficiency in this enzyme leads to intracellular accumulation of globotriaosylceramide (Gb3) and other glycosphingolipids in many cell types throughout the body, including the kidney. Progressive accumulation of Gb3 in podocytes, endothelial cells, epithelial cells, and tubular cells contribute to the renal symptoms of FD, which manifest as proteinuria and reduced glomerular filtration rate leading to renal insufficiency...
March 16, 2018: Kidney & Blood Pressure Research
Ghaneh Fananapazir, Robert Benzl, Michael T Corwin, Ling-Xin Chen, Junichiro Sageshima, Susan L Stewart, Christoph Troppmann
Purpose To determine whether the predonation computed tomography (CT)-based volume of the future remnant kidney is predictive of postdonation renal function in living kidney donors. Materials and Methods This institutional review board-approved, retrospective, HIPAA-compliant study included 126 live kidney donors who had undergone predonation renal CT between January 2007 and December 2014 as well as 2-year postdonation measurement of estimated glomerular filtration rate (eGFR). The whole kidney volume and cortical volume of the future remnant kidney were measured and standardized for body surface area (BSA)...
March 20, 2018: Radiology
Delia De Lisi, Ugo De Giorgi, Cristian Lolli, Giuseppe Schepisi, Vincenza Conteduca, Cecilia Menna, Giuseppe Tonini, Daniele Santini, Alberto Farolfi
To date, results of combination therapy studies have shown no meaningful clinical benefit over monotherapy and an unacceptably high degree of toxicity in the treatment of metastatic renal cell carcinoma (RCC), with the exception of a combination of immune-checkpoint inhibitors and the association of lenvatinib with everolimus. Lenvatinib is a potent multi-targeted tyrosine kinase inhibitor that targets VEGFR pathways. Everolimus inhibits primarily mTORC1 complex, a downstream effecter of the intracellular PI3K/AKT/mTOR pathway...
March 20, 2018: Expert Opinion on Drug Metabolism & Toxicology
Clayton J Brinster, Ross Milner
Endovascular aortic repair (EVAR) has revolutionized the treatment of infrarenal abdominal aortic aneurysm (AAA), with consistently low reported perioperative morbidity and mortality. Universal applicability of EVAR to treat AAA is hindered by several specific anatomic constraints, however, and many patients cannot be treated with commercially available stent grafts within the device specific instructions for use. Treatment of these complex pararenal aneurysms is increasingly accomplished by extension of EVAR into the visceral segment of the abdominal aorta with branches or fenestrations that allow perfusion of the visceral and renal arteries...
March 19, 2018: Journal of Cardiovascular Surgery
Petter Bjornstad, David Z Cherney
PURPOSE OF REVIEW: Compared to adult-onset type 2 diabetes (T2D), youth with T2D have a more aggressive phenotype with greater insulin resistance (IR), more rapid β cell decline, and higher prevalence of diabetic kidney disease (DKD). RECENT FINDINGS: Hyperfiltration is common in youth with T2D and predicts progressive DKD. Hyperfiltration is a consequence of early changes in intrarenal hemodynamic function, including increased renal plasma flow (RPF) and glomerular pressure...
March 19, 2018: Current Diabetes Reports
Annemiek F Hoogerwaard, Mark R de Jong, Arif Elvan
PURPOSE OF REVIEW: Renal sympathetic denervation (RDN) as treatment option for hypertension has a strong rationale; however, variable effects on blood pressure (BP) have been reported ranging from non-response to marked reductions in BP. The absence of a procedural end point for RDN is one of the potential factors associated with the variable response. Studies have suggested the use of renal nerve stimulation (RNS) to adequately address this issue. This review aims to provide an overview of the clinical and experimental data available regarding the effects of RNS in the setting of RDN...
March 19, 2018: Current Hypertension Reports
Stephen Boone, Dick Kuo
PURPOSE OF REVIEW: Early lowering of blood pressure is advised for patients with severe hypertension associated with signs of impending or progressive organ damage, whereas aggressive treatment is not recommended in patients with asymptomatic severe hypertension. As treatment goals for asymptomatic hypertension and true hypertensive emergency drastically differ, it is essential to identify patients with evidence of impending or progressive organ damage. Biomarkers may assist providers in identifying high-risk patients who would benefit from early blood pressure reduction...
March 19, 2018: Current Hypertension Reports
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