Heng Shi, Xinhai Zhao, Peng Qin, Xianling Zhou, Sisi Liu, Chuanchuan Sun, Qiuyu Cao, Shiping Zhu, Shengyun Sun
BACKGROUND: Di(2-ethylhexyl) phthalate (DEHP) is a common plasticizer. Studies have revealed that DEHP exposure can cause kidney damage. Green tea is among the most popular beverages in China. Green tea polyphenols (GTPs) have been proven to have therapeutic effects on organ damage induced by heavy metal exposure. However, few studies have reported on GTP relieving DEHP-induced kidney damage. METHODS: C57BL/6J male mice aged 6-8 weeks were treated with distilled water (control group), 1500 mg/kg/d DEHP + corn oil (model group), 1500 mg/kg/d DEHP + corn oil + 70 mg/kg GTP (treatment group), corn oil (oil group), and 70 mg/kg GTP (GTP group) by gavage for 8 weeks, respectively...
September 21, 2023: American Journal of Nephrology
Wenchao Li, Ruifan Chen, Wei Chen, Fengxian Huang, Xi Xia
OBJECTIVE: IgA nephropathy (IgAN) with serum Antineutrophil Cytoplasmic Autoantibody (ANCA) positivity is uncommon. This study analyzed the clinicopathologic features and prognosis of IgAN patients with serum ANCA positivity. METHODS: 2864 IgAN patients were tested for ANCA by the indirect immunofluorescence assay and chemiluminescence immunoassay. Patients with serum ANCA positivity (n=85) were identified and their clinical, pathological and prognostic characteristics were analyzed...
September 19, 2023: American Journal of Nephrology
Rajkumar Chinnadurai, Sharmilee Rengarajan, Jeffrey J Budden, Carol Moreno Quinn, Philip A Kalra
INTRODUCTION: Guideline-directed renin-angiotensin-aldosterone system inhibitor (RAASi) therapy is rarely achieved in clinical settings, often due to hyperkalaemia. We assessed the potassium binder, patiromer, on continuation of RAASi therapy in hyperkalaemic patients with chronic kidney disease (CKD) and type 2 diabetes mellitus (T2DM) in the AMETHYST-DN trial, propensity score-matched to a real-world cohort not receiving patiromer (Salford Kidney Study). METHODS: The phase 2, open-label AMETHYST-DN trial (NCT01371747) randomized 304 adults with CKD on RAASi, T2DM, hyperkalaemia (serum potassium [sK+] >5...
September 19, 2023: American Journal of Nephrology
Amy S You, Keith C Norris, Merle Kataoka-Yahiro, James Davis, Victoria Page, Glen Hayashida, Yoko Narasaki, Shiuh Feng Cheng, Roland Ng, Linda L Wong, Felix Lee, Kamyar Kalantar-Zadeh, Connie M Rhee
INTRODUCTION: While Asians and Native Hawaiian and other Pacific Islanders (NHOPIs) have a high prevalence of kidney disease risk factors, there are sparse data examining their end-stage kidney disease (ESKD) outcomes. As Hawaii has high representation of Asians and NHOPIs, we compared their ESKD outcomes based on residence in the Mainland US vs. Hawaii/Pacific Islands (PIs). MATERIALS AND METHODS: Using United States Renal Data System data, we examined the impact of geographic residence in the Mainland vs...
September 19, 2023: American Journal of Nephrology
Shuo Zhang, Xin Chen, Zuoxian Hou, Peng Xia, Xiaoxiao Shi, Haiting Wu, Yubing Wen, Yan Qin, Xinping Tian, Limeng Chen
INTRODUCTION: Older patients with antineutrophil cytoplasmic autoantibody-associated vasculitis (AAV) commonly experience renal impairment and poor prognoses. This study aimed to establish a risk-scoring system for predicting composite renal outcomes in older patients with AAV. METHODS: This retrospective observational study included all patients with AAV hospitalized in a single-center tertiary hospital in China between January 2013 and April 2022. Patients aged ≥ 65 years were defined as older adults, and short-term composite renal outcomes included a ≥ 25% reduction in eGFR (for AKI), renal replacement therapy, provision of renal replacement therapy (long-term dialysis, kidney transplant, or sustained eGFR < 15 ml/min/1...
September 14, 2023: American Journal of Nephrology
Daisuke Koya, Stefan D Anker, Luis M Ruilope, Peter Rossing, ZhiHong Liu, Byung Wan Lee, Chien-Te Lee, Charlie Scott, Peter Kolkhof, Robert Lawatscheck, Lili Wang, Amer Joseph, Bertram Pitt
INTRODUCTION: In FIDELIO-DKD, finerenone significantly improved cardiorenal outcomes in patients with chronic kidney disease and type 2 diabetes (T2D). This post hoc analysis explores finerenone in patients from the Asian region. METHODS: In FIDELIO-DKD, 5,674 patients with T2D and urine albumin-to-creatinine ratio (UACR) ≥30-&lt;300 mg/g and estimated glomerular filtration rate (eGFR) ≥25-&lt;60 mL/min/1.73 m2 or UACR ≥300-≤5,000 mg/g and eGFR ≥25-&lt;75 mL/min/1...
September 14, 2023: American Journal of Nephrology
Suchun Li, Qimei Luo, Yuting Fan, Chen Zhao, Fengxian Huang, Xi Xia, Wei Chen
BACKGROUND: Acute kidney injury (AKI) is common in lupus nephritis (LN) and a risk factor for chronic kidney failure. Here we aimed to assess the characteristics and prognosis of LN patients with AKI. METHODS: AKI and AKI severity stages in LN patients were defined by the Kidney Disease Improving Global Outcomes (KDIGO) classification. Long-term renal outcomes and patient mortality between different stages of AKI were compared by Cox regression analysis. RESULTS: Of 1272 LN patients, 225 (17...
September 14, 2023: American Journal of Nephrology
Mayuko Hori, Hiroshi Takahashi, Chika Kondo, Yutaka Matsuoka, Makoto Tsujita, Morikuni Nishihira, Kazuharu Uchida, Asami Takeda, Kunio Morozumi, Shoichi Maruyama
INTRODUCTION: Sarcopenia and osteoporosis are highly prevalent among kidney transplant recipients (KTRs). Although osteoporosis is known to increase fracture risk in KTRs, it is unclear whether sarcopenia or osteosarcopenia is associated with this increased risk. Thus, we aimed to investigate the association of the coexistence of low muscle mass (LMM) and osteoporosis with the risk of fracture in long-term KTRs. METHODS: Exactly 342 stable KTRs underwent dual-energy X-ray absorptiometry and skeletal muscle mass index (SMI) measurement using bioelectrical impedance analysis...
September 12, 2023: American Journal of Nephrology
Luís Carlos Ferreira Mendonça, Miguel Bigotte Vieira, João Sérgio Neves, Paulo Castro Chaves, Joao Pedro Ferreira
Introduction Current prognostic models for CKD are complex and were designed to predict one single outcome. We aimed to develop and validate a simple and parsimonious prognostic model to predict cardio-kidney events and mortality. Methods Patients from the CRIC Study (n=3718) were randomly divided into derivation (n=2478) and validation (n=1240) cohorts. Twenty-nine candidate variables were pre-selected. Multivariable Cox regression models were developed using stepwise selection for various cardio-kidney endpoints, namely: i) the primary composite outcome of 50% decline in eGFR from baseline, end-stage renal disease or cardiovascular mortality; ii) hospitalization for heart failure (HHF) or cardiovascular mortality; iii) 3-point major CV endpoints (3P-MACE); iv) all-cause death...
September 6, 2023: American Journal of Nephrology
Michael A Weber, Dagmara Hering, David Nikoleishvili, Avtandil Imedadze, Gvantsa Dughashvili, Zurab Klimiashvili, Eter Bekaia, Tamar Shengelia, Mamuka Kabalava, Otar Goguadze, Tamar Emukhvari, Vitaly Druker, Terry Buelna, Richard Heuser, Shima Hashemian, Robert Provanzano
INTRODUCTION: We previously completed a trial of renal pelvic denervation for treating hypertension that reduced blood pressure by the 2-month primary endpoint. However, information on the durability of effectiveness is a critical requirement for device therapy and we now report data up to 12 months. METHODS: This was an open label single-arm feasibility study in patients with increased blood pressure despite taking an average of 2.7 medications. The key endpoint reported here was ambulatory blood pressure at 12 months following renal pelvic denervation...
August 31, 2023: American Journal of Nephrology
Raymond R Townsend
Is This REALLY Required?
August 31, 2023: American Journal of Nephrology
Hongyu Chen, Haoxian Tang, Jingtao Huang, Nan Luo, Xuan Zhang, Xin Wang
INTRODUCTION: The current prevalence of chronic kidney disease (CKD) is substantial, and CKD individuals face a heightened risk of mortality, encompassing both all-cause and cause-specific outcomes. The current study aims to investigate the potential impact of adhering to Life Essential 8 (LE8) on reducing mortality among CKD individuals. METHODS: Using the National Health and Nutrition Survey (NHANES) data from 2005 to 2018, we analyzed 22,420 United States adults (≥20 years old)...
August 17, 2023: American Journal of Nephrology
Shih-Wei Lai
No abstract text is available yet for this article.
August 17, 2023: American Journal of Nephrology
Caroline W H de Fijter, Joanna Stachowska-Pietka, Jacek Waniewski, Bengt Lindholm
Recently hyperosmolar hyponatremia following excessive off-label use of two exchanges of 2L icodextrin daily during peritoneal dialysis (PD) was reported. We encountered a cluster of three cases of PD patients who developed hyperosmolar hyponatremia during on-label use of icodextrin. This appeared to be due to absorption of icodextrin, since, after stopping icodextrin, the serum sodium level and osmol gap returned to normal, while a rechallenge again resulted in hyperosmolar hyponatremia. We excluded higher than usual concentrations of specific fractions of dextrins in fresh icodextrin dialysis fluid (lot numbers of used batches were checked by manufacturer)...
August 14, 2023: American Journal of Nephrology
Tomohiko Nishino, Sakurako Hirano, Shin Takemura, Shinya Tomori, Sayaka Ono, Kazuhiro Takahashi, Masakazu Mimaki
INTRODUCTION: Real-time ultrasound-guided percutaneous kidney biopsy is essential for diagnosis and treatment planning; nonetheless, the optimal puncture approach has yet to be established. In vivo, performing different approaches on the same patient at once is not possible. This study aimed to determine the impact of different approaches on the number of obtained glomeruli and their potential to cause arterial injury using pig kidneys, which are similar to humans. METHODS: A total of 120 pig kidneys (60 right-sided kidneys and 60 left-sided kidneys) for research were obtained from a slaughterhouse...
August 14, 2023: American Journal of Nephrology
Huagang Hu, Chanchan Wu, Jojo Yan Yan Kwok, Mu-Hsing Ho, Pui Hing Chau, Kris Yuet Wan Lok, Edmond Pui Hang Choi
BACKGROUND: Clinical guidelines recommend exercise training for patients undergoing maintenance hemodialysis (MHD). However, the effectiveness of different types of exercise remains uncertain. OBJECTIVES: To compare and rank the effect of different types of exercise on walking capacity, cardiorespiratory fitness, dialysis adequacy, and health-related quality of life (HRQOL) in patients undergoing MHD. METHODS: Eight databases (four English and four Chinese) were searched from inception to January 1, 2022...
August 3, 2023: American Journal of Nephrology
Samir Patel, Eduardo A Trujillo Rivera, Venkatesh K Raman, Charles Faselis, Virginia Wang, Jeffrey C Fink, Jeffrey M Roseman, Charity J Morgan, Sijian Zhang, Helen M Sheriff, Michael S Heimall, Wen-Chih Wu, Qing Zeng-Treitler, Ali Ahmed
INTRODUCTION: According to the United States Renal Data System (USRDS), patients with end-stage kidney disease (ESKD) on maintenance dialysis had higher mortality during early COVID-19 pandemic. Less is known about the effect of the pandemic on the delivery of outpatient maintenance hemodialysis, and its impact on death. We examined the effect of pandemic-related disruption on the delivery of dialysis treatment and mortality in patients with ESKD receiving maintenance hemodialysis in the Veterans Health Administration (VHA) facilities, the largest integrated national healthcare system in the United States...
July 31, 2023: American Journal of Nephrology
Joyce Xia, Alice J Tan, Bianca Biglione, Bethany Cucka, Lauren Ko, Emily Nguyen, Charbel C Khoury, Malcolm Robinson, Sagar U Nigwekar, Daniela Kroshinsky
Nephrogenic calciphylaxis is associated with multiple risk factors including long term dialysis dependence, hyperphosphatemia, hypercalcemia, parathyroid hormone derangements, vitamin K deficiency, obesity, diabetes mellitus, warfarin use, and female sex. Bariatric surgery is known to cause altered absorption, leading to mineral and hormonal abnormalities in addition to nutritional deficiency. Prior case reports on calciphylaxis development following bariatric surgery have been published, though are limited in number...
July 24, 2023: American Journal of Nephrology
Wei-Shun Yang, Gwo-Tsann Chuang, Tony Pan-Hou Che, Li-Yun Chueh, Wen-Yi Li, Chih-Neng Hsu, Chia-Ni Hsiung, Hsiao-Chia Ku, Lin Yi Ching, Yi-Shun Chen, Siow-Wey Hee, Tien-Jyun Chang, Shiau-Mei Chen, Meng-Lun Hsieh, Hsiao-Lin Lee, Karen Chia-Wen Liao, Chen-Yang Shen, Yi-Cheng Chang
Background Chronic renal disease (CKD), defined by reduced estimated glomerular filtration rate (eGFR) and albuminuria, imposes huge health burden worldwide. Ethnicity-specific associations were frequently observed in genome-wide association studies (GWAS). In this research, we conducted GWAS of albuminuria in the non-diabetic population of Taiwan. Subjects and Methods Non-diabetic individuals aged 30 to 70 years and without cancer history were enrolled from the Taiwan Biobank. A total of 6,768 subjects received spot urine examination...
July 12, 2023: American Journal of Nephrology
Pongpratch Puapatanakul, Athiphat Banjongjit, Talerngsak Kanjanabuch, Jerasit Surintrspanont, Kroonpong Iampenkhae, Kearkiat Praditpornsilpa, Somchai Eiam-Ong, Vijitr Boonpucknavig
INTRODUCTION: More reports of thrombotic microangiopathy (TMA) in immunoglobulin A (IgA) nephropathy suggests its association with poor clinical outcomes. However, the prevalence and clinical significance of TMA in IgA nephropathy have not been widely studied in different populations. METHODS: Kidney biopsies of all patients with primary IgA nephropathy from 1995 to 2015 at King Chulalongkorn Memorial Hospital, Thailand, were retrospectively reviewed and reclassified by two pathologists following the Oxford MEST-C classification...
July 10, 2023: American Journal of Nephrology
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