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Clinical and Experimental Nephrology

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https://www.readbyqxmd.com/read/28434126/relapse-of-nephrotic-syndrome-during-post-rituximab-peripheral-blood-b-lymphocyte-depletion
#1
Mai Sato, Koichi Kamei, Masao Ogura, Kenji Ishikura, Shuichi Ito
BACKGROUND: Rituximab is effective against complicated childhood steroid-dependent nephrotic syndrome (SDNS). Peripheral blood B-lymphocyte (B-cell) depletion is strongly correlated with persistent remission, relapse rarely occurring during B-cell depletion; however, we have encountered several such patients. METHODS: We retrospectively analyzed the characteristics and clinical course of 82 patients with SDNS treated with rituximab from January 2007 to December 2012 in our institution...
April 22, 2017: Clinical and Experimental Nephrology
https://www.readbyqxmd.com/read/28434125/kidney-morphological-parameters-measured-using-noncontrast-enhanced-steady-state-free-precession-mri-with-spatially-selective-inversion-recovery-pulse-correlate-with-egfr-in-patients-with-advanced-ckd
#2
Tadashi Otsuka, Yoshikatsu Kaneko, Yuya Sato, Ryohei Kaseda, Ryuji Aoyagi, Suguru Yamamoto, Shin Goto, Ichiei Narita
BACKGROUND: It is well known that atrophic renal changes are associated with chronic kidney disease (CKD) progression, but conventional diagnostic imaging methods such as noncontrast-enhanced computed tomography and magnetic resonance imaging (MRI) have been insufficient for precisely assessing kidney function because they cannot clearly distinguish between the medulla and cortex. Hence, here we used noncontrast-enhanced steady-state free precession (SSFP) MRI with a spatially selective inversion recovery (IR) pulse to improve visibility for renal corticomedullary differentiation and evaluated the association between morphological parameters and kidney function in patients with CKD...
April 22, 2017: Clinical and Experimental Nephrology
https://www.readbyqxmd.com/read/28432490/thallium-201-washout-rate-of-stress-myocardial-perfusion-imaging-as-a-predictor-of-mortality-in-diabetic-kidney-disease-patients-initiating-hemodialysis-an-observational-follow-up-study
#3
Toshihide Hayashi, Nobuhiko Joki, Yuri Tanaka, Masaki Iwasaki, Shun Kubo, Ai Matsukane, Yasunori Takahashi, Yoshihiko Imamura, Koichi Hirahata, Hiroki Hase
BACKGROUND: Thallium-201 washout rate of stress myocardial perfusion imaging (MPI) has been reported to correlate with coronary flow reserve which is a parameter of myocardial microcirculation. However, the evidence for its use in diabetic kidney disease (DKD) has been lacking, and the association between thallium-201 washout rate and adverse outcomes including death is unknown. Therefore, the present study was conducted to evaluate the predictive ability of thallium-201 washout rate for mortality in DKD patients initiating hemodialysis...
April 21, 2017: Clinical and Experimental Nephrology
https://www.readbyqxmd.com/read/28421299/compared-effects-of-calcium-and-sodium-polystyrene-sulfonate-on-mineral-and-bone-metabolism-and-volume-overload-in-pre-dialysis-patients-with-hyperkalemia
#4
Yosuke Nakayama, Kaoru Ueda, Sho-Ichi Yamagishi, Miki Sugiyama, Chika Yoshida, Yuka Kurokawa, Nao Nakamura, Tomofumi Moriyama, Goh Kodama, Tomohisa Minezaki, Sakuya Ito, Akiko Nagata, Kensei Taguchi, Junko Yano, Yusuke Kaida, Kazutaka Shibatomi, Kei Fukami
BACKGROUND: Hyperkalemia is prevalent in end-stage renal disease patients, being involved in life-threatening arrhythmias. Although polystyrene sulfonate (PS) is commonly used for the treatment of hyperkalemia, direct comparison of effects between calcium and sodium PS (CPS and SPS) on mineral and bone metabolism has not yet been studied. METHODS: In a randomized and crossover design, 20 pre-dialysis patients with hyperkalemia (>5 mmol/l) received either oral CPS or SPS therapy for 4 weeks...
April 18, 2017: Clinical and Experimental Nephrology
https://www.readbyqxmd.com/read/28397074/plasma-neutrophil-gelatinase-associated-lipocalin-ngal-is-an-indicator-of-interstitial-damage-and-a-predictor-of-kidney-function-worsening-of-chronic-kidney-disease-in-the-early-stage-a-pilot-study
#5
Hidekazu Moriya, Yasuhiro Mochida, Kunihiko Ishioka, Machiko Oka, Kyoko Maesato, Sumi Hidaka, Takayasu Ohtake, Shuzo Kobayashi
BACKGROUND: The aim of this study was to examine whether plasma neutrophil gelatinase-associated lipocalin (NGAL) levels predict the outcome of kidney function and correlate with the severity of tubulointerstitial damages in patients with chronic kidney disease (CKD). METHODS: In this prospective 18-month cohort study of 112 patients with CKD between 2010 and 2011, associations between plasma NGAL levels and estimated glomerular filtration ratio (eGFR), further worsening of kidney function and histological lesion on kidney biopsy were investigated...
April 10, 2017: Clinical and Experimental Nephrology
https://www.readbyqxmd.com/read/28397073/testicular-angina-in-a-hemodialysis-patient-expect-the-unexpected
#6
Abhilash Koratala, Olanrewaju A Olaoye, Jogiraju Tantravahi
No abstract text is available yet for this article.
April 10, 2017: Clinical and Experimental Nephrology
https://www.readbyqxmd.com/read/28397072/automated-renal-cortical-volume-measurement-for-assessment-of-renal-function-in-patients-undergoing-radical-nephrectomy
#7
Hirofumi Shimoyama, Shuji Isotani, Toshiyuki China, Masayoshi Nagata, Isao Yokota, Kosuke Kitamura, Yoshiaki Wakumoto, Hisamitsu Ide, Satoru Muto, Akira Tujimura, Raizo Yamaguchi, Shigeo Horie
BACKGROUND: Renal volume change greatly affects renal function after nephrectomy. Although various measuring techniques were reported, no standard measuring method is available. In this study, we examined the computational automated volumetric method, and evaluated the volumetric change to assess the functional outcome in patients undergoing radical nephrectomy. We developed the predictive equation for postoperative renal function from volume alternation and validated the performance...
April 10, 2017: Clinical and Experimental Nephrology
https://www.readbyqxmd.com/read/28391497/is-a-liver-biopsy-necessary-to-diagnose-hemodialysis-related-portal-systemic-encephalopathy-hrpse-a-proposal-of-the-concise-diagnostic-criteria-for-hrpse
#8
LETTER
Tsuyoshi Takashima, Sae Hirata, Makoto Fukuda, Motoaki Miyazono, Yuji Ikeda
No abstract text is available yet for this article.
April 8, 2017: Clinical and Experimental Nephrology
https://www.readbyqxmd.com/read/28389814/effect-of-tonsillectomy-with-steroid-pulse-therapy-on-circulating-tumor-necrosis-factor-receptors-1-and-2-in-iga-nephropathy
#9
Maki Murakoshi, Tomohito Gohda, Yuji Sonoda, Hitoshi Suzuki, Yasuhiko Tomino, Satoshi Horikoshi, Yusuke Suzuki
BACKGROUND: High circulating levels of soluble tumor necrosis factor receptors (TNFRs: TNFR1, TNFR2) predict renal function decline in a variety of kidney diseases. Tonsillectomy with steroid pulse (TSP) therapy has been reported as a remission induction therapy in IgA nephropathy (IgAN), mainly in Japan. However, little is known about whether TNFR levels change after TSP therapy in patients with IgAN. METHODS: Two hundred twenty-three patients with IgAN were stratified according to the estimated glomerular filtration rate (eGFR): Group I (eGFR ≥ 60 mL/min/1...
April 7, 2017: Clinical and Experimental Nephrology
https://www.readbyqxmd.com/read/28389813/plasma-neutrophil-gelatinase-associated-lipocalin-is-associated-with-iron-status-in-anemic-patients-with-pre-dialysis-chronic-kidney-disease
#10
Il Young Kim, Joo Hui Kim, Dong Won Lee, Soo Bong Lee, Harin Rhee, Sang Heon Song, Eun Young Seong, Ihm Soo Kwak
BACKGROUND: Iron deficiency anemia is common in patients with chronic kidney disease (CKD). Neutrophil gelatinase-associated lipocalin (NGAL), a biomarker of acute kidney injury, is known to be associated with iron metabolism. We investigated whether plasma NGAL level is associated with iron status in pre-dialysis CKD patients with anemia. METHODS: This study included 419 patients who had anemia. The subjects were into categorized into a pre-dialysis group (estimated glomerular filtration rate [eGFR] <60 ml/min/1...
April 7, 2017: Clinical and Experimental Nephrology
https://www.readbyqxmd.com/read/28386655/impact-of-low-density-lipoprotein-cholesterol-on-decline-in-estimated-glomerular-filtration-rate-in-apparently-healthy-young-to-middle-aged-working-men
#11
Akihiro Kuma, Bungo Uchino, Yoko Ochiai, Masatoshi Kawashima, Kazuhiko Enta, Masahito Tamura, Yutaka Otsuji, Akihiko Kato
BACKGROUND: It remains to be fully clarified whether there is a relationship between uncontrolled dyslipidemia and decline in estimated glomerular filtration rate (eGFR) in the general population. Therefore, this study's aim was to test the association of dyslipidemia with changes in eGFR in apparently healthy working men. METHODS: We retrospectively examined the annual medical check-up list of 14,510 male workers aged 20-60 years with eGFR ≥ 60 mL/min/1...
April 6, 2017: Clinical and Experimental Nephrology
https://www.readbyqxmd.com/read/28378068/a-minimal-impact-of-long-term-s-flurbiprofen-plaster-application-on-kidney-function-in-osteoarthritis-patients
#12
Noboru Otsuka, Ikuko Yataba, Isao Matsushita, Hideo Matsumoto, Yuichi Hoshino, Yoshio Terada
BACKGROUND: The number of kidney injury due to nonsteroidal anti-inflammatory drugs (NSAIDs) is the largest among drug-induced kidney diseases. Newly developed NSAID plaster containing S-flurbiprofen (SFP) shows innovative percutaneous absorption. However, systemic exposure to SFP following the repeated application of 80 mg/day was estimated as comparable to that of oral 120 mg/day flurbiprofen and prolonged use of topical NSAIDs is common in clinical practice. Thus, we report the safety focusing on the kidney function after long-term application of SFP plaster (SFPP)...
April 4, 2017: Clinical and Experimental Nephrology
https://www.readbyqxmd.com/read/28364323/circulating-and-renal-expression-of-hla-g-prevented-chronic-renal-allograft-dysfunction-in-japanese-recipients
#13
Yuki Okushi, Kazuaki Okino, Kiyotaka Mukai, Yuki Matsui, Norifumi Hayashi, Keiji Fujimoto, Hiroki Adachi, Hideki Yamaya, Hitoshi Yokoyama
BACKGROUND: Although the risk of acute rejection has been studied in renal transplanted patients, there is little data about the long-term renal survival effects of non-classical human leukocyte antigen class I (HLA-G) in Japanese patients. METHOD: We investigated the changes in the estimated glomerular filtration rate (eGFR) for Japanese, and factors affecting the eGFR in 141 adult Japanese subjects whose allografts had survived for at least 1 year. Clinical background data, gender, HLA matching status, the total ischemic time, ABO incompatibility, immunosuppressive therapy, and the serum soluble(s) HLA-G5 level were examined...
March 31, 2017: Clinical and Experimental Nephrology
https://www.readbyqxmd.com/read/28357506/the-long-term-outcomes-of-hepatitis-c-virus-core-antigen-positive-japanese-renal-allograft-recipients
#14
Kazuaki Okino, Yuki Okushi, Kiyotaka Mukai, Yuki Matsui, Norifumi Hayashi, Keiji Fujimoto, Hiroki Adachi, Hideki Yamaya, Hitoshi Yokoyama
BACKGROUND: The impact of hepatitis C virus (HCV) infections on patient long-term survival after renal transplants is unclear. METHOD: To clarify the long-term outcomes of Japanese renal allograft recipients with HCV infections, we studied the cases of 187 patients (118 males and 69 females; 155 living donor cases, and 32 deceased donor cases; median follow-up period: 250 months) who underwent an initial renal transplant at Kanazawa Medical University from 1974 onwards...
March 29, 2017: Clinical and Experimental Nephrology
https://www.readbyqxmd.com/read/28349231/thyrotropin-levels-are-associated-with-chronic-kidney-disease-among-healthy-subjects-in-cross-sectional-analysis-of-the-brazilian-longitudinal-study-of-adult-health-elsa-brasil
#15
Érique José F Peixoto de Miranda, Márcio Sommer Bittencourt, Alessandra C Goulart, Itamar S Santos, Silvia Maria de Oliveira Titan, Roberto Marini Ladeira, Sandhi Maria Barreto, Paulo A Lotufo, Isabela Judith Martins Benseñor
BACKGROUND: Few studies have evaluated a possible relationship between thyrotropin levels and glomerular filtration rate (GFR) and albumin/creatinine ratio in euthyroid subjects. We aimed to analyze this association using baseline data from the Brazilian Longitudinal Study of Adult Health (ELSA-Brasil). METHODS: Cross-sectionally, we included subjects with normal thyroid function and with subclinical hypothyroidism (SCH). We excluded individuals using medications that affect thyroid function...
March 27, 2017: Clinical and Experimental Nephrology
https://www.readbyqxmd.com/read/28349230/the-japanese-histologic-classification-and-t-score-in-the-oxford-classification-system-could-predict-renal-outcome-in-japanese-iga-nephropathy-patients
#16
Ahmad Baseer Kaihan, Yoshinari Yasuda, Takayuki Katsuno, Sawako Kato, Takahiro Imaizumi, Takaya Ozeki, Manabu Hishida, Takanobu Nagata, Masahiko Ando, Naotake Tsuboi, Shoichi Maruyama
BACKGROUND: The Oxford Classification is utilized globally, but has not been fully validated. In this study, we conducted a comparative analysis between the Oxford Classification and Japanese Histologic Classification (JHC) to predict renal outcome in Japanese patients with IgA nephropathy (IgAN). METHODS: A retrospective cohort study including 86 adult IgAN patients was conducted. The Oxford Classification and the JHC were evaluated by 7 independent specialists...
March 27, 2017: Clinical and Experimental Nephrology
https://www.readbyqxmd.com/read/28341889/complement-regulation-and-kidney-diseases-recent-knowledge-of-the-double-edged-roles-of-complement-activation-in-nephrology
#17
REVIEW
Masashi Mizuno, Yasuhiro Suzuki, Yasuhiko Ito
The complement activation system plays important roles to maintain homeostasis in the host and to fight foreign invaders to protect the host. Therefore, the complement system is considered a core part of innate immunity which also cross-talks to acquired immunity. In the history of nephrology, the complement system is familiar to us, because complement protein or fragment deposition, including C3, C4, C1q, and/or C4d, is routinely estimated by immunohistochemistry to diagnose renal pathologies. The relationships between pathological mechanisms and complement activation have been investigated for renal diseases such as post-infectious glomerulonephritis, lupus nephritis, and primary membranoproliferative glomerulonephritis, which are usually accompanied by hypocomplementemia...
March 24, 2017: Clinical and Experimental Nephrology
https://www.readbyqxmd.com/read/28332017/the-relationship-between-the-renal-reabsorption-of-cysteine-and-the-lowered-urinary-ph-in-diabetics
#18
Susumu Ogawa, Junko Takiguchi, Manami Shimizu, Kazuhiro Nako, Masashi Okamura, Yoshitaka Kinouchi, Sadayoshi Ito
BACKGROUND/AIMS: In diabetic patients, reduced urinary pH (UpH) is a predictive factor for cardiorenal-vascular disorders. Synthesis of glutathione, an anti-oxidative stress substance, is induced to counteract renal oxidative stress. UpH declines as glutamate is consumed, as does the synthesis of ammonia from glutamate. Glutathione is synthesized from glutamate and cysteine; however, in diabetes, the relationship between lowered UpH and the roles of renal amino acids is unknown. We, therefore, examined the relationship between amino-acid kinetics, UpH, and renal function...
March 22, 2017: Clinical and Experimental Nephrology
https://www.readbyqxmd.com/read/28321597/bilateral-renal-hilar-tumors-in-igg4-related-disease
#19
Yosuke Hirabayashi, Eiji Ishikawa, Masaaki Ito
No abstract text is available yet for this article.
March 21, 2017: Clinical and Experimental Nephrology
https://www.readbyqxmd.com/read/28299459/the-impact-of-evacuation-on-the-incidence-of-chronic-kidney-disease-after-the-great-east-japan-earthquake-the-fukushima-health-management-survey
#20
Yoshimitsu Hayashi, Masato Nagai, Tetsuya Ohira, Hiroaki Satoh, Akira Sakai, Akira Ohtsuru, Mitsuaki Hosoya, Yukihiko Kawasaki, Hitoshi Suzuki, Atsushi Takahashi, Yoshihiro Sugiura, Hiroaki Shishido, Hideto Takahashi, Seiji Yasumura, Junichiro James Kazama, Shigeatsu Hashimoto, Gen Kobashi, Kotaro Ozasa, Masafumi Abe
BACKGROUND: About 146,000 people were forced into long-term evacuation due to the nuclear power plant accident caused by the Great East Japan Earthquake in 2011. Disaster is known to induce hypertension in survivors for a certain period, but it is unclear whether prolonged disaster stress influences chronic kidney disease (CKD). We conducted an observational cohort study to elucidate the effects of evacuation stress on CKD incidence. METHODS: Participants were individuals living in communities near the Fukushima nuclear power plant, aged 40-74 years without CKD as of their 2011 general health checkup (non-evacuees: n = 9780, evacuees: n = 4712)...
March 15, 2017: Clinical and Experimental Nephrology
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