Faculty Profiles - TAKEUCHI Hidemi

Papers - TAKEUCHI Hidemi

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Association between Urinary Creatinine Excretion and Hypothyroidism in Patients with Chronic Kidney Disease. International journal

Natsumi Matsuoka-Uchiyama, Kenji Tsuji, Kensaku Takahashi, Kazuhiko Fukushima, Hidemi Takeuchi, Shinji Kitamura, Kenichi Inagaki, Haruhito A Uchida, Jun Wada

Diagnostics (Basel, Switzerland) 13 ( 4 ) 2023.2

Language：English Publishing type：Research paper (scientific journal)

While hypothyroidism increases serum creatinine (Cr) levels, it is uncertain whether the elevation is mediated via a decline in the glomerular filtration rate (GFR) or the reflection of enhanced Cr production from the muscles or both. In the present study, we explored an association between urinary Cr excretion rate (CER) and hypothyroidism. A total of 553 patients with chronic kidney disease were enrolled in a cross-sectional study. Multiple linear regression analysis was performed to explore the association between hypothyroidism and urinary CER. The mean urinary CER was 1.01 ± 0.38 g/day and 121 patients (22%) had hypothyroidism. The multiple linear regression analysis revealed explanatory variables with urinary CER, including age, sex, body mass index, 24 h Cr clearance (24hrCcr), and albumin while hypothyroidism was not considered an independent explanatory variable. In addition, scatter plot analysis with regression fit line representing the association between estimated GFR calculated using s-Cr (eGFRcre) and 24hrCcr revealed that eGFRcre and 24hrCcr had strong correlations with each other in hypothyroid patients as well as euthyroid patients. Collectively, hypothyroidism was not considered an independent explanatory variable for urinary CER in the present study and eGFRcre is a useful marker to evaluate kidney function regardless of the presence of hypothyroidism.

DOI： 10.3390/diagnostics13040669

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The Beneficial Effect of Personalized Lifestyle Intervention in Chronic Kidney Disease Follow-Up Project for National Health Insurance Specific Health Checkup: A Five-Year Community-Based Cohort Study. International journal

Hidemi Takeuchi, Haruhito A Uchida, Katsuyoshi Katayama, Natsumi Matsuoka-Uchiyama, Shugo Okamoto, Yasuhiro Onishi, Yuka Okuyama, Ryoko Umebayashi, Kodai Miyaji, Akiko Kai, Izumi Matsumoto, Keiko Taniguchi, Fukiko Yamashita, Tsutomu Emi, Hitoshi Sugiyama, Jun Wada

Medicina (Kaunas, Lithuania) 58 ( 11 ) 2022.10

Language：English Publishing type：Research paper (scientific journal)

Background and Objectives: Mimasaka city is a relatively small city with a population of 28,381, and an aging rate (≥65 years old) of 38.9%, where only one nephrology clinic is available. Since 2013, the city has conducted its own unique lifestyle intervention for the participants of the National Health Insurance specific medical health checkup, aiming to prevent the progression of chronic kidney disease (CKD) severity. Materials and Methods: The persons in National Health Insurance specific medical health checkup (40-74 years old) conducted in Mimasaka city in 2013, with eGFR less than 50 mL/min/1.73 m² or 50-90 mL/min/1.73 m² with urine dipstick protein 1+ or more, were registered for the CKD follow-up project, as high-risk subjects for advanced renal dysfunction. Municipal workers directly visited the subjects' homes to provide individual health guidance and encourage medical consultation. We aimed to examine the effect of home-visit intervention on the changes of renal function and related factors until 2017. Results: The number of the high-risk subjects who continuously received the health checkup until 2017 was 63, and only 23 (36.5%) visited a medical institution in the first year. The eGFR decreased by only 0.4 mL/min/1.73 m²/year, and the subjects with urinary protein 1+ or higher decreased significantly from 20 (31.7%) to 9 (14.3%) (p = 0.034) in the high-risk subjects. The changes in eGFR and urinary protein was almost in the same fashion regardless of their medical institution visits. Next, we examined the effects of various factors on ΔeGFR, the changes of eGFR from 2013 to 2017, by multivariate linear regression analysis. The effects of medical institution visit were not significant, and the degree of urinary protein (coefficient B: 4.503, β: 0.705, p < 0.001), age (coefficient B: 4.753, β: 0.341, p = 0.004), and smoking (coefficient B: 5.878, β: 0.295, p = 0.031) had independent significant effects, indicating that they were the factors exacerbating the decrease in eGFR from the baseline. Conclusions: The personalized lifestyle intervention by home-visit in CKD follow-up project showed the possibility of beneficial effects on the deterioration of renal function. This may be an efficient method to change behavior in a small community with limited medical resources.

DOI： 10.3390/medicina58111529

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当院における腎移植後コロナウイルス感染症の臨床経過

吉永香澄, 関戸崇了, 丸山雄樹, 山野井友昭, 西村慎吾, 竹内英実, 田邉克幸, 森永裕士, 内田治仁, 和田淳, 枝村康平, 小林知子, 小林泰之, 荒木元朗

移植 57 ( 総会臨時 ) 262 - 262 2022.10

The association between hypothyroidism and proteinuria in patients with chronic kidney disease: a cross-sectional study. International journal

Natsumi Matsuoka-Uchiyama, Kenji Tsuji, Yizhen Sang, Kensaku Takahashi, Kazuhiko Fukushima, Hidemi Takeuchi, Kenichi Inagaki, Haruhito A Uchida, Shinji Kitamura, Hitoshi Sugiyama, Jun Wada

Scientific reports 12 ( 1 ) 14999 - 14999 2022.9

Language：English Publishing type：Research paper (scientific journal)

Hypothyroidism is known to be correlated with kidney function and nephrotic range proteinuria. However, it is uncertain whether non-nephrotic proteinuria is associated with hypothyroidism. This study aimed to evaluate the association of proteinuria and hypothyroidism in chronic kidney disease (CKD) patients. We conducted a cross-sectional study composed of 421 CKD patients in a single hospital with measurements of 24-h urine protein excretion (UP) and thyroid function tests. Spearman correlation analysis revealed that 24-h Cr clearance (24hrCcr) was positively (r = 0.273, p < 0.001) and UP was negatively (r = - 0.207, p < 0.001) correlated with free triiodothyronine. Frequency distribution analysis stratified by CKD stage and UP for hypothyroidism revealed that the prevalence of hypothyroidism was higher among participants with higher CKD stage and nephrotic range proteinuria. Multivariate logistic regression analysis revealed that 24hrCcr and UP were significantly correlated with hypothyroidism (24hrCcr/10 mL/min decrease: odds ratio [OR], 1.29; 95% confidence interval [CI], 1.18-1.41; UP/1 g increase: OR, 1.10; 95% CI, 1.03-1.17). In addition, nephrotic range proteinuria, but not moderate UP (UP: 1.5-3.49 g/day), was significantly correlated with hypothyroidism compared to UP < 0.5 g/day. In summary, decreased kidney function and nephrotic range proteinuria, not non-nephrotic proteinuria, are independently associated with the hypothyroidism.

DOI： 10.1038/s41598-022-19226-0

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A case of successful renal transplantation of Charcot-Marie-Tooth disease associated with FSGS due to mutation of the INF2 gene

Chika Matsuoka, Yuki Taira, Ryo Sasaki, Namiko Matsumoto, Koh Tadokoro, Emi Nomura, Yuko Kawahara, Mami Takemoto, Ryuta Morihara, Akihiro Hashiguchi, Hiroshi Takashima, Hidemi Takeuchi, Motoo Araki, Koji Abe, Toru Yamashita

Neurology and Clinical Neuroscience 10 ( 5 ) 252 - 254 2022.9

Publishing type：Research paper (scientific journal)

Focal and segmental areas of glomerular sclerosis (FSGS) have various subcategories. Here, we report on a 35-year-old man who suffered from Charcot-Marie-Tooth disease (CMT) with FSGS carrying the INF2 mutation (c.206 T > C, p.L69P). The INF2 mutation might cause abnormal actin filaments of the podocytes and Schwann cells, leading to CMT associated with FSGS. He successfully underwent living donor kidney transplantation from a mother with a normal INF2 gene without any serious adverse events. Following genetic testing, the identification of the INF2 mutation allows a recipient to reduce the use of immunosuppressive drugs. Genetic testing may provide a treatment plan for kidney transplantation.

DOI： 10.1111/ncn3.12651

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Edaravone Attenuated Angiotensin II-Induced Atherosclerosis and Abdominal Aortic Aneurysms in Apolipoprotein E-Deficient Mice. International journal

Haruhito A Uchida, Tetsuharu Takatsuka, Yoshiko Hada, Ryoko Umebayashi, Hidemi Takeuchi, Kenichi Shikata, Venkateswaran Subramanian, Alan Daugherty, Jun Wada

Biomolecules 12 ( 8 ) 2022.8

Language：English Publishing type：Research paper (scientific journal)

BACKGROUND: The aim of the study was to define whether edaravone, a free-radical scavenger, influenced angiotensin II (AngII)-induced atherosclerosis and abdominal aortic aneurysms (AAAs) formation. METHODS: Male apolipoprotein E-deficient mice (8-12 weeks old) were fed with a normal diet for 5 weeks. Either edaravone (10 mg/kg/day) or vehicle was injected intraperitoneally for 5 weeks. After 1 week of injections, mice were infused subcutaneously with either AngII (1000 ng/kg/min, n = 16-17 per group) or saline (n = 5 per group) by osmotic minipumps for 4 weeks. RESULTS: AngII increased systolic blood pressure equivalently in mice administered with either edaravone or saline. Edaravone had no effect on plasma total cholesterol concentrations and body weights. AngII infusion significantly increased ex vivo maximal diameters of abdominal aortas and en face atherosclerosis but was significantly attenuated by edaravone administration. Edaravone also reduced the incidence of AngII-induced AAAs. In addition, edaravone diminished AngII-induced aortic MMP-2 activation. Quantitative RT-PCR revealed that edaravone ameliorated mRNA abundance of aortic MCP-1 and IL-1β. Immunostaining demonstrated that edaravone attenuated oxidative stress and macrophage accumulation in the aorta. Furthermore, edaravone administration suppressed thioglycolate-induced mice peritoneal macrophages (MPMs) accumulation and mRNA abundance of MCP-1 in MPMs in male apolipoprotein E-deficient mice. In vitro, edaravone reduced LPS-induced mRNA abundance of MCP-1 in MPMs. CONCLUSIONS: Edaravone attenuated AngII-induced AAAs and atherosclerosis in male apolipoprotein E-deficient mice via anti-oxidative action and anti-inflammatory effect.

DOI： 10.3390/biom12081117

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ゆで卵を用いた模擬腎生検コロンブスの卵

辻憲二, 田中景子, 竹内英実, 田邊克幸, 森永裕士, 木野村賢, 内田治仁, 喜多村真治, 杉山斉, 和田淳

日本腎臓学会誌 64 ( 3 ) 297 - 297 2022.5

岡山市CKDネットワーク(OCKD-NET)におけるCKD病診連携11年後の追跡調査

大西康博, 内田治仁, 竹内英実, 田中景子, 辻憲二, 田邊克幸, 森永裕士, 木野村賢, 喜多村真治, 前島洋平, 杉山斉, 太田康介, 丸山啓輔, 大城義之, 森岡茂, 瀧上慶一, 蒲生直幸, 和田淳

日本腎臓学会誌 64 ( 3 ) 234 - 234 2022.5

Intractable arteriovenous access-related pain relieved after a single, pain-free hemodialysis session under selective block of the sensory nerves in the upper limb: A psychosocial factorial case. International journal

Hiroaki Matsuda, Yoshinari Oka, Hidemi Takeuchi, Hiromi Fujii, Shigeko Takatsu, Masashi Miyazaki

The journal of vascular access 24 ( 6 ) 11297298221086118 - 11297298221086118 2022.3

Language：English Publishing type：Research paper (scientific journal)

Intractable arteriovenous access (AVA)-related pain can not only lead to abandonment of a well-functioning AVA, but can also cause hemodialysis (HD) patients to be unwilling to accept, interrupt, or withdraw from HD. Such pain primarily derives from nociceptive and neuropathic factors caused by mechanical stimulation of needle cannulation; however, this might be related to psychosocial factors making it difficult for patients to accept their dependency on HD. Furthermore, the pain can be complicated by the interaction of biological and psychosocial factors, which hampers appropriate pain management and treatment. However, there have been few investigations pertaining to this matter. Herein, we describe the case of an HD patient who experienced chronic refractory AVA-related pain during a 32-month period of HD sessions, which occasionally caused treatment interruption. After clinical inquiry, physical evaluation, and ultrasonographic assessment of the blood circulation and cutaneous nerves in the ipsilateral upper limb to the radiocephalic arteriovenous fistula in the anatomical snuffbox, we diagnosed the patient with primarily psychosocially driven pain in consultation with an experienced pain clinician. A single, pain-free HD session under ultrasound-guided sensory nerve blocks in the upper limb markedly relieved her pain, followed by HD sessions with subtle but acceptable pain. This report provides insights into the mechanism underlying the vicious cycle of AVA-related pain, including the psychosocial aspects that might trigger such pain, as well as into the importance of treating such pain to improve the patient's quality of life, and underscores the need for cooperation of experts engaged in HD and pain management.

DOI： 10.1177/11297298221086118

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The Association of Postprandial Triglyceride Variability with Renal Dysfunction and Microalbuminuria in Patients with Type 2 Diabetic Mellitus: A Retrospective and Observational Study. International journal

Natsumi Matsuoka-Uchiyama, Haruhito A Uchida, Shugo Okamoto, Yasuhiro Onishi, Katsuyoshi Katayama, Mariko Tsuchida-Nishiwaki, Hidemi Takeuchi, Rika Takemoto, Yoshiko Hada, Ryoko Umebayashi, Naoko Kurooka, Kenji Tsuji, Jun Eguchi, Hirofumi Nakajima, Kenichi Shikata, Jun Wada

Journal of diabetes research 2022 3157841 - 3157841 2022

Language：English Publishing type：Research paper (scientific journal)

OBJECTIVE: We examined whether or not day-to-day variations in lipid profiles, especially triglyceride (TG) variability, were associated with the exacerbation of diabetic kidney disease. METHODS: We conducted a retrospective and observational study. First, 527 patients with type 2 diabetes mellitus (DM) who had had their estimated glomerular filtration rate (eGFR) checked every 6 months since 2012 for over 5 years were registered. Variability in postprandial TG was determined using the standard deviation (SD), SD adjusted (Adj-SD) for the number of measurements, and maximum minus minimum difference (MMD) during the first three years of follow-up. The endpoint was a ≥40% decline from baseline in the eGFR, initiation of dialysis or death. Next, 181 patients who had no micro- or macroalbuminuria in February 2013 were selected from among the 527 patients for an analysis. The endpoint was the incidence of microalbuminuria, initiation of dialysis, or death. RESULTS: Among the 527 participants, 110 reached a ≥40% decline from baseline in the eGFR or death. The renal survival was lower in the higher-SD, higher-Adj-SD, and higher-MMD groups than in the lower-SD, lower-Adj-SD, and lower-MMD groups, respectively (log-rank test p = 0.0073, 0.0059, and 0.0195, respectively). A lower SD, lower Adj-SD, and lower MMD were significantly associated with the renal survival in the adjusted model (hazard ratio, 1.62, 1.66, 1.59; 95% confidence intervals, 1.05-2.53, 1.08-2.58, 1.04-2.47, respectively). Next, among 181 participants, 108 developed microalbuminuria or death. The nonincidence of microalbuminuria was lower in the higher-SD, higher-Adj-SD, and higher-MMD groups than in the lower-SD, lower-Adj-SD, and lower-MMD groups, respectively (log-rank test p = 0.0241, 0.0352, and 0.0474, respectively). CONCLUSIONS: Postprandial TG variability is a novel risk factor for eGFR decline and the incidence of microalbuminuria in patients with type 2 DM.

DOI： 10.1155/2022/3157841

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Relationship between hemodialysis and health-related quality of life: a cross-sectional study of diagnosis and duration of hemodialysis

Shinichi Noto, Masashi Miyazaki, Hidemi Takeuchi, Shinya Saito

Renal Replacement Therapy 7 ( 1 ) 2021.12

Publishing type：Research paper (scientific journal) Publisher：Springer Science and Business Media LLC

<title>Abstract</title><sec>
<title>Background</title>
Hemodialysis is a medical technology implemented for various renal diseases and has a significant budget impact in Japan. Hemodialysis also affects health-related quality of life, as it interferes with daily life, but the effect of diagnosis and duration of hemodialysis is not clear. The purpose of this study was to examine the impact of hemodialysis on health-related quality of life, with a focus on diagnosis and duration of hemodialysis.

</sec><sec>
<title>Methods</title>
We conducted EQ-5D-5L surveys among hemodialysis patients at a single hemodialysis hospital between November 2015 and September 2017 and used a scoring algorithm that was developed in Japan to calculate the scores.

</sec><sec>
<title>Results</title>
A total of 274 subjects without missing data were included in the data analysis. The mean score of the entire group was 0.772 ± 0.215. Compared with other domains, pain/discomfort had the highest percentage of problems (59.1%). There were no differences in the distributions with respect to diagnostic names in any domain. Multiple regression analysis showed that hemodialysis duration was the only explanatory variable that had a mild significant effect on EQ-5D-5L scores, but it was not large.

</sec><sec>
<title>Conclusions</title>
QOL measured using the EQ-5D-5L survey score was not affected by age, gender, or diagnosis but was affected by hemodialysis duration. Future studies are needed to investigate the impact of prolonged hemodialysis on health-related quality of life.

</sec>

DOI： 10.1186/s41100-021-00382-4

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Other Link： https://link.springer.com/article/10.1186/s41100-021-00382-4/fulltext.html

Blood concentrations of tacrolimus upon conversion from rabeprazole to vonoprazan in renal transplant recipients: Correlation with cytochrome P450 gene polymorphisms. International journal

Shogo Watari, Motoo Araki, Jun Matsumoto, Kasumi Yoshinaga, Takanori Sekito, Yuki Maruyama, Yosuke Mitsui, Takuya Sadahira, Risa Kubota, Shingo Nishimura, Koichiro Wada, Yasuyuki Kobayashi, Hidemi Takeuchi, Katsuyuki Tanabe, Masashi Kitagawa, Hiroshi Morinaga, Shinji Kitamura, Hitoshi Sugiyama, Noritaka Ariyoshi, Jun Wada, Masami Watanabe, Toyohiko Watanabe, Yasutomo Nasu

Drug metabolism and pharmacokinetics 40 100407 - 100407 2021.10

Language：English Publishing type：Research paper (scientific journal)

We evaluated the impact of vonoprazan on blood concentrations of tacrolimus via a retrospective analysis of 52 renal transplant recipients who took tacrolimus and converted from rabeprazole to vonoprazan between August 2018 and September 2019. We compared tacrolimus trough levels upon conversion among groups that were classified based on cytochrome P450 (CYP) gene polymorphisms. CYP3A5 groups were heterozygous or homozygous for CYP3A5∗1 and CYP3A5∗3 alleles. CYP2C19 genotypes were classified as extensive (∗1/∗1), intermediate (∗1/∗2 and ∗1/∗3) or poor metabolizers (∗2/∗2, ∗2/∗3 and ∗3/∗3). Tacrolimus trough levels increased only 0.3 ng/mL upon conversion in the CYP3A5∗3/∗3 group: 5.8 [3.4-7.2] vs 6.1 [3.8-7.9]; p = 0.06. No statistically significance changes in tacrolimus levels also occurred in the CYP3A5∗1/∗1 or CYP3A5∗1/∗3 groups. Subgroup analyses of CYP3A5∗3/∗3 demonstrated low changes for all three CYP2C19 subgroups: 5.2 [4.3-6.5] vs 6.2 [4.3-7.9]; p = 0.07, 6.1 [3.4-7.2] vs 6.7 [4.6-7.9]; p = 0.12 and 5.4 [3.6-6.5] vs 4.7 [3.8-6.3]; p = 1.00, respectively. Conversion to vonoprazan thus resulted in little increase of tacrolimus trough levels, even in the group predicted to be most susceptible (CYP3A5∗3/∗3 and 2C19∗1/∗1), thus supporting the safety of concomitant use of vonoprazan with tacrolimus.

DOI： 10.1016/j.dmpk.2021.100407

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Presence of decoy cells for 6 months on urine cytology efficiently predicts BK virus nephropathy in renal transplant recipients. International journal

Takanori Sekito, Motoo Araki, Kasumi Yoshinaga, Yuki Maruyama, Takuya Sadahira, Shingo Nishimura, Koichiro Wada, Masami Watanabe, Toyohiko Watanabe, Katsuyuki Tanabe, Hidemi Takeuchi, Hiroshi Morinaga, Masashi Kitagawa, Shinji Kitamura, Hitoshi Sugiyama, Jun Wada, Hiroyuki Yanai, Yasutomo Nasu

International journal of urology : official journal of the Japanese Urological Association 28 ( 12 ) 1240 - 1246 2021.9

Language：English Publishing type：Research paper (scientific journal)

OBJECTIVES: To investigate the association between duration of consecutive presence of decoy cells on urine cytology and BK virus nephropathy after kidney transplantation. METHODS: In total, 121 kidney transplant recipients were retrospectively evaluated. The best duration of consecutive presence of decoy cells that could be used to predict BK virus nephropathy was analyzed using the area under the curve for each duration, and recipients were divided into two groups based on the best predictive performance. The effectiveness of SV40 immunostaining on urinary cytology was also analyzed. RESULTS: In total, 2534 urine specimens as well as SV40 immunostaining in 2241 urine specimens were analyzed. Six consecutive months of decoy cell positivity had the best predictive performance for BK virus nephropathy (area under the curve = 0.832). The incidence of BK virus nephropathy in recipients with positive decoy cells for 6 months or more consecutive months (5/44) was significantly higher than in those who had positive decoy cells for less than 6 months (0/77; P = 0.005). Decoy cell positivity had a sensitivity, specificity, positive predictive value, and negative predictive value for BK virus nephropathy of 100%, 66%, 11%, and 100% respectively. SV40 immunostaining provided slightly better specificity (68%) and positive predictive value (12%). CONCLUSIONS: The detection of decoy cells at 6 months or more on urine cytology had high predictive value for BK virus nephropathy in kidney transplant recipients. SV40 immunostaining on urine cytology added minimal diagnostic accuracy.

DOI： 10.1111/iju.14679

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Feasible kidney donation with living marginal donors, including diabetes mellitus. International journal

Kasumi Yoshinaga, Motoo Araki, Koichiro Wada, Takanori Sekito, Shogo Watari, Yuki Maruyama, Yosuke Mitsui, Takuya Sadahira, Risa Kubota, Shingo Nishimura, Kohei Edamura, Yasuyuki Kobayashi, Katsuyuki Tanabe, Hidemi Takeuchi, Masashi Kitagawa, Shinji Kitamura, Jun Wada, Masami Watanabe, Toyohiko Watanabe, Yasutomo Nasu

Immunity, inflammation and disease 9 ( 3 ) 1061 - 1068 2021.9

Language：English Publishing type：Research paper (scientific journal)

OBJECTIVES: To compare the donor outcomes of living donor kidney transplantation between standard donors (SDs) and marginal donors (MDs) including diabetic patients (MD + DM). METHODS: MDs were defined according to Japanese guideline criteria: (a) age >70-years, (b) blood pressure ≤130/80 mmHg on hypertension medicine, (c) body mass index >25 to ≤32 kg/m2 , (d) 24-h creatinine clearance ≥70 to <80 ml/min/1.73 m2 , and (e) hemoglobin A1c > 6.2 or ≤6.5 with oral diabetic medicine. Fifty-three of 114 donors were MDs. We compared donor kidney functions until 60 months postoperatively. RESULTS: No kidney function parameters were different between SDs and MDs. When comparing SD and MD + DM, MD + DM had a lower postoperative eGFR (48 vs. 41 (1 (month), p = .02), 49 vs. 40 (12, p < .01), 48 vs. 42 (24, p = .04), 47 vs. 38 (36, p = .01)) and the percentage of residual eGFR (SD vs. MD + DM: 63 vs. 57 (1 (month), p < .01), 63 vs. 57 (2, p < .01), 64 vs. 56 (12, p < .01), 63 vs. 57 (24, p < .01), 63 vs. 52 (36, p = .02)). However, when MD with a single risk factor of DM was compared to SD, the difference disappeared. Nine out of 12 (75%) MD + DM had ≥2 risk factors. CONCLUSIONS: Although long-term observation of donor kidney function is necessary, careful MD + DM selection had the potential to expand the donor pool.

DOI： 10.1002/iid3.470

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Association of blood pressure and renal outcome in patients with chronic kidney disease; a post hoc analysis of FROM-J study. International journal

Mariko Tsuchida-Nishiwaki, Haruhito A Uchida, Hidemi Takeuchi, Noriyuki Nishiwaki, Yohei Maeshima, Chie Saito, Hitoshi Sugiyama, Jun Wada, Ichiei Narita, Tsuyoshi Watanabe, Seiichi Matsuo, Hirofumi Makino, Akira Hishida, Kunihiro Yamagata

Scientific reports 11 ( 1 ) 14990 - 14990 2021.7

Language：English Publishing type：Research paper (scientific journal)

It is well-known that hypertension exacerbates chronic kidney disease (CKD) progression, however, the optimal target blood pressure (BP) level in patients with CKD remains unclear. This study aimed to assess the optimal BP level for preventing CKD progression. The risk of renal outcome among different BP categories at baseline as well as 1 year after, were evaluated using individual CKD patient data aged between 40 and 74 years from FROM-J [Frontier of Renal Outcome Modifications in Japan] study. The renal outcome was defined as ≥ 40% reduction in estimated glomerular filtration rate to < 60 mL/min/1.73 m2, or a diagnosis of end stage renal disease. Regarding baseline BP, the group of systolic BP (SBP) 120-129 mmHg had the lowest risk of the renal outcome, which increased more than 60% in SBP ≥ 130 mmHg group. A significant increase in the renal outcome was found only in the group of diastolic BP ≥ 90 mmHg. The group of BP < 130/80 mmHg had a benefit for lowering the risk regardless of the presence of proteinuria, and it significantly reduced the risk in patients with proteinuria. Achieving SBP level < 130 mmHg after one year resulted in a 42% risk reduction in patients with SBP level ≥ 130 mmHg at baseline. Targeting SBP level < 130 mmHg would be associated with the preferable renal outcome.Clinical Trial Registration-URL: https://www.umin.ac.jp/ctr/ . Unique identifier: UMIN000001159 (16/05/2008).

DOI： 10.1038/s41598-021-94467-z

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Successful deceased donor kidney transplantation to a recipient with a history of COVID-19 treatment. International journal

Kasumi Yoshinaga, Motoo Araki, Koichiro Wada, Kou Hasegawa, Takanori Sekito, Shuji Miyake, Shogo Watari, Yuki Maruyama, Takuya Sadahira, Shingo Nishimura, Katsuyuki Tanabe, Hidemi Takeuchi, Yuri Nakashima, Masaru Kinomura, Herik Acosta, Yosuke Mitsui, Risa Kubota, Hirochika Nakajima, Kohei Edamura, Yasuyuki Kobayashi, Masami Watanabe, Toyohiko Watanabe, Fumio Otsuka, Jun Wada, Yasutomo Nasu

Journal of infection and chemotherapy : official journal of the Japan Society of Chemotherapy 27 ( 7 ) 1097 - 1101 2021.7

Language：English Publishing type：Research paper (scientific journal)

CASE PRESENTATION: A 49-year-old Asian male, who had undergone hemodialysis for >16 years, complained of a fever, dysgeusia and dysosmia, and was diagnosed with COVID-19 pneumonia based on severe acute respiratory syndrome coronavirus 2 polymerase chain reaction (SARS-CoV-2 PCR) and computed tomography (CT). Treatment was started with oral favipiravir and ciclesonide inhalation. On the 10th day of treatment, the patient had a persistent high fever and a chest CT showed exacerbation of pneumonia, so dexamethasone was intravenously started. He was discharged after confirming two consecutive negative SARS-CoV-2 PCR tests. Three months after COVID-19 treatment, a SARS-CoV-2 PCR test was negative and he underwent a deceased donor kidney transplantation. Basiliximab induction with triple drug immunosuppression consisting of extended-release tacrolimus, mycophenolate mofetil and prednisolone, which is our regular immunosuppression protocol, was used. He was discharged on postoperative day 18 without the need for postoperative hemodialysis or any complications. The serum creatinine level was 1.72 mg/dL 95 days postoperatively and he had a favorable clinical course that was similar to deceased donor kidney recipients without a history of SARS-CoV-2 infection. CONCLUSION: We report the first case of a kidney transplantation after COVID-19 treatment in Japan and the fourth case globally. We would like to provide information about our successful case due to the anticipated increase in similar candidates in the near future.

DOI： 10.1016/j.jiac.2021.03.018

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ABO Blood Incompatibility Positively Affects Early Graft Function: Single-Center Retrospective Cohort Study. International journal

Shogo Watari, Motoo Araki, Koichiro Wada, Kasumi Yoshinaga, Yuki Maruyama, Yosuke Mitsui, Takuya Sadahira, Risa Kubota, Shingo Nishimura, Yasuyuki Kobayashi, Hidemi Takeuchi, Katsuyuki Tanabe, Masashi Kitagawa, Hiroshi Morinaga, Shinji Kitamura, Hitoshi Sugiyama, Jun Wada, Masami Watanabe, Toyohiko Watanabe, Yasutomo Nasu

Transplantation proceedings 53 ( 5 ) 1494 - 1500 2021.6

Language：English Publishing type：Research paper (scientific journal)

BACKGROUND: We investigated the association between ABO-incompatible (ABO-I) kidney transplantation and early graft function. METHODS: We retrospectively analyzed 95 patients who underwent living donor kidney transplantation between May 2009 and July 2019. It included 61 ABO-compatible (ABO-C) and 34 ABO-I transplantations. We extracted data on immunologic profile, sex, age, cold ischemic time, type of immunosuppression, and graft function. Two definitions were used for slow graft function (SGF) as follows: postoperative day (POD) 3 serum creatinine level >3 mg/dL and estimated glomerular filtration rate (eGFR) <20 mL/min/1.73 m2. Logistic regression analysis was performed to analyze the effect of ABO-I on the incidence of SGF. RESULTS: The characteristics between the ABO-C and ABO-I were not different. ABO-I received rituximab and plasma exchange. Patients also received tacrolimus and mycophenolate mofetil for 2 weeks and prednisolone for 1 week before transplantation as preconditioning. Of the 95 study patients, 19 (20%) and 21 (22%) were identified with SGF according to POD 3 serum creatinine level or eGFR, respectively. Multivariable analysis revealed that ABO-I significantly reduced the incidence of SGF (odds ratio, 0.15; 95% confidence interval, 0.03-0.7; P = .02), and cold ischemic time >150 min increased the incidence of SGF (odds ratio, 6.5; 95% confidence interval, 1.7-25; P = .006). Similar results were identified in POD 3 eGFR. Inferior graft function in patients with SGF was identified up to 6 months after transplantation. CONCLUSION: ABO-I reduces the incidence of SGF, which is associated with an inferior graft function up to 6 months.

DOI： 10.1016/j.transproceed.2021.03.043

PubMed

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