Kidney Medicine最新文献

{"title":"Undetected Air Embolism During Hemodialysis from a Defective Central Venous Catheter Causing Intradialytic Cardiac Arrest: An Imaging Teaching Case","authors":"Taesoo Kim , Dirk M. Hentschel , David B. Mount , Katherine Scovner Ravi","doi":"10.1016/j.xkme.2024.100915","DOIUrl":"10.1016/j.xkme.2024.100915","url":null,"abstract":"","PeriodicalId":17885,"journal":{"name":"Kidney Medicine","volume":"6 11","pages":"Article 100915"},"PeriodicalIF":3.2,"publicationDate":"2024-10-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142537384","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Predicting Nephrotoxic Acute Kidney Injury in Hospitalized Adults: A Machine Learning Algorithm","authors":"Benjamin R. Griffin , Avinash Mudireddy , Benjamin D. Horne , Michel Chonchol , Stuart L. Goldstein , Michihiko Goto , Michael E. Matheny , W. Nick Street , Mary Vaughan-Sarrazin , Diana I. Jalal , Jason Misurac","doi":"10.1016/j.xkme.2024.100918","DOIUrl":"10.1016/j.xkme.2024.100918","url":null,"abstract":"<div><h3>Rationale and Objective</h3><div>Acute kidney injury (AKI) is a common complication among hospitalized adults, but AKI prediction and prevention among adults has proved challenging. We used machine learning to update the nephrotoxic injury negated by just-in time action (NINJA), a pediatric program that predicts nephrotoxic AKI, to improve accuracy among adults.</div></div><div><h3>Study Design</h3><div>A retrospective cohort study.</div></div><div><h3>Setting and Population</h3><div>Adults admitted for<!--> <!-->><!--> <!-->48 hours to the University of Iowa Hospital from 2017 to 2022.</div></div><div><h3>Exposure</h3><div>A NINJA high-nephrotoxin exposure (≥3 nephrotoxins on 1<!--> <!-->day or intravenous aminoglycoside or vancomycin for<!--> <!-->≥3 days).</div></div><div><h3>Outcomes</h3><div>AKI within 48 hours of high-nephrotoxin exposure.</div></div><div><h3>Analytical Approach</h3><div>We collected 85 variables, including demographics, laboratory tests, vital signs, and medications. AKI was defined as a serum creatinine increase of<!--> <!-->≥0.3<!--> <!-->mg/dL. A gated recurrent unit (GRU)-based recurrent neural network (RNN) was trained on 85% of the data, and then tested on the remaining 15%. Model performance was evaluated with precision, recall, negative predictive value, and area under the curve. We used an artificial neural network to determine risk factor importance.</div></div><div><h3>Results</h3><div>There were 14,480 patients, 18,180 admissions, and 37,300 high-nephrotoxin exposure events meeting inclusion criteria. In the testing cohort, 29% of exposures developed AKI within 48 hours. The RNN-GRU model predicted AKI with a precision of 0.60, reducing the number of false alerts from 2.5 to 0.7 per AKI case. Lowest hemoglobin, lowest blood pressure, and highest white blood cell count were the most important variables in the artificial neural network model. Acyclovir, piperacillin-tazobactam, calcineurin inhibitors, and angiotensin-converting enzyme inhibitor/angiotensin receptor blockers were the most important medications.</div></div><div><h3>Limitations</h3><div>Clinical variables and medications were not exhaustive, drug levels or dosing were not incorporated, and Iowa’s racial makeup may limit generalizability.</div></div><div><h3>Conclusions</h3><div>Our RNN-GRU model substantially reduced the number of false alerts for nephrotoxic AKI, which may facilitate NINJA translation to adult hospitals by providing more targeted intervention.</div></div><div><h3>Plain-Language Summary</h3><div>Nephrotoxic acute kidney injury (AKI) is common and can potentially be prevented through preemptive adjustments of medications, as demonstrated by the success of the nephrotoxic injury negated by just-in time action (NINJA) program in pediatric populations. Translation of NINJA to the adult population has been challenging, and major barriers include high alert volume in adults that can lead to high resource utilization and alert ","PeriodicalId":17885,"journal":{"name":"Kidney Medicine","volume":"6 12","pages":"Article 100918"},"PeriodicalIF":3.2,"publicationDate":"2024-10-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142654848","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The Surprise Question in Hemodialysis, Frailty, Nutrition, Patient-reported Quality of Life, and All-Cause Mortality: The Osaka Dialysis Complication Study (ODCS)","authors":"Tetsuo Shoji , Daijiro Kabata , Seiichi Kimura , Yuki Nagata , Katsuhito Mori , Shinya Nakatani , Hisako Fujii , Tomoaki Morioka , Masanori Emoto","doi":"10.1016/j.xkme.2024.100914","DOIUrl":"10.1016/j.xkme.2024.100914","url":null,"abstract":"<div><h3>Rationale & Objective</h3><div>A response “no” (SQ-No) to the surprise question (SQ) of whether a clinician would be surprised if a dialysis patient died in the next 6 months is associated with a higher risk of all-cause death. It is uncertain what domains are intuitively assessed with the SQ. We hypothesized that the SQ would assess the patient’s frailty, malnutrition, or patient-perceived health-related quality of life in a cohort of patients on maintenance hemodialysis.</div></div><div><h3>Study Design</h3><div>Cohort study.</div></div><div><h3>Setting & Participants</h3><div>A multicenter study including 994 patients on maintenance hemodialysis in Japan.</div></div><div><h3>Predictors</h3><div>(1) SQ answered by nurses; (2) frailty by modified Cardiovascular Health Study criteria; (3) malnutrition as evaluated by Geriatric Nutritional Risk Index (GNRI); and (4) patient-perceived health-related quality of life examined by the 36-Item Short Form Health Survey (SF-36) physical component summary (PCS).</div></div><div><h3>Outcomes</h3><div>All-cause mortality.</div></div><div><h3>Analytical Approach</h3><div>Cox proportional hazard models.</div></div><div><h3>Results</h3><div>Median age and dialysis vintage were 66 and 5.9 years, respectively, 35.8% were women, and 39.6% had diabetic kidney disease. The prevalence of SQ-No and frailty was 19.7% and 45.9%. Median GNRI and SF-36 PCS scores were 96.3 and 36.9, respectively. During the 5-year follow-up, 247 patients died. SQ-No, being frail, low GNRI, and low SF-36 PCS were each significant predictors of a higher risk for mortality independent of potential confounders. SQ-No remained a significant predictor after further adjustment for frailty or GNRI, but SQ-No was no longer significant when adjusted for SF-36 PCS.</div></div><div><h3>Limitations</h3><div>We did not assess the agreement of responses to the SQ between different raters.</div></div><div><h3>Conclusions</h3><div>The predictive ability of the SQ was closely related to SF-36 PCS in hemodialysis patients. Nurses’ answer to the SQ appears to assess the physical domain of patient-perceived health-related quality of life rather than objectively assessed frailty or malnutrition.</div></div><div><h3>Plain Language Summary</h3><div>“Would I be surprised if this patient died in the next 6 months?” This question posed to a clinician is called the “surprise question” (SQ) and the answer “no” (SQ-No) has been shown to predict a higher risk of mortality in patients undergoing hemodialysis. We examined which domains are intuitively assessed with the SQ, such as frailty, malnutrition, and patient-perceived quality of life in a cohort of hemodialysis patients. We found that the association between the SQ response and mortality was independent of frailty and malnutrition but was closely related to the physical domain of patient-perceived quality of life. The results suggest that the SQ appears to assess the physical domain of patient-per","PeriodicalId":17885,"journal":{"name":"Kidney Medicine","volume":"6 12","pages":"Article 100914"},"PeriodicalIF":3.2,"publicationDate":"2024-10-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142594064","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Nephroprotective Effects of Cilastatin in People at Risk of Acute Kidney Injury: A Systematic Review and Meta-analysis","authors":"Dilaram Acharya , Fanar Ghanim , Tyrone G. Harrison , Tayler Dawn Scory , Nusrat Shommu , Paul E. Ronksley , Meghan J. Elliott , David Collister , Neesh Pannu , Matthew T. James","doi":"10.1016/j.xkme.2024.100913","DOIUrl":"10.1016/j.xkme.2024.100913","url":null,"abstract":"<div><h3>Rationale & Objective</h3><div>Cilastatin is an inhibitor of drug metabolism in the proximal tubule that demonstrates nephroprotective effects in animals. It has been used in humans in combination with the antibiotic imipenem to block imipenem’s renal metabolism. This systematic review and meta-analysis evaluated the nephroprotective effects of cilastatin in humans.</div></div><div><h3>Study Design</h3><div>Systematic review and meta-analysis of observational (comparative effectiveness) studies or randomized clinical trials (RCTs).</div></div><div><h3>Setting & Study Populations</h3><div>People of any age at risk of acute kidney injury (AKI).</div></div><div><h3>Selection Criteria for Studies</h3><div>We systematically searched MEDLINE, Embase, Web of Science, and the Cochrane Controlled Trials registry from database inception to November 2023 for observational studies or RCTs that compared kidney outcomes among groups treated with cilastatin, either alone or as combination imipenem-cilastatin, versus an inactive or active control group not treated with cilastatin.</div></div><div><h3>Data Extraction</h3><div>Two reviewers independently evaluated studies for inclusion and risk of bias.</div></div><div><h3>Analytical Approach</h3><div>Treatment effects were estimated using random-effects models, and heterogeneity was quantified using the <em>I</em><sup>2</sup> statistic.</div></div><div><h3>Results</h3><div>We identified 10 studies (5 RCTs, n<!--> <!-->=<!--> <!-->531<!--> <!-->patients; 5 observational studies, n<!--> <!-->=<!--> <!-->6,321 participants) that met the inclusion criteria, including 4 studies with comparisons to inactive controls and 6 studies with comparisons to alternate antibiotics. Based on pooled results from 7 studies, the risk of AKI was lower with imipenem-cilastatin (risk ratio [RR], 0.52; 95% confidence intervals [CI], 0.40-0.67; <em>I</em><sup>2</sup> <!-->=<!--> <!-->26.5%), with consistent results observed in RCTs (3 RCTs, RR, 0.26; 95% CI, 0.09-0.77; <em>I</em><sup>2</sup> <!-->=<!--> <!-->44.4%) and observational studies (4 studies, RR, 0.54; 95% CI, 0.41-0.72; <em>I</em><sup>2</sup> <!-->=<!--> <!-->44.4%). Based on results from 6 studies, serum creatinine concentration was lower following treatment with imipenem-cilastatin than comparators (weighted mean difference in serum creatinine<!--> <!-->−0.14 mg/dL (95% CI, −0.21 to<!--> <!-->−0.07; <em>I</em><sup>2</sup> <!-->=<!--> <!-->0%). The overall certainty of the evidence was low due to heterogeneity of the results, high risk of bias, and indirectness among the identified studies.</div></div><div><h3>Limitations</h3><div>Clinical and statistical heterogeneity could not be fully explained due to a limited number of studies.</div></div><div><h3>Conclusions</h3><div>Patients treated with imipenem-cilastatin developed AKI less frequently and had lower serum creatinine concentration following treatment than control groups or those who had received compar","PeriodicalId":17885,"journal":{"name":"Kidney Medicine","volume":"6 12","pages":"Article 100913"},"PeriodicalIF":3.2,"publicationDate":"2024-10-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142654935","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Pegloticase-Induced Rapid Uric Acid Lowering and Kidney and Cardiac Health Markers in Youth-Onset Type 2 Diabetes: A Pilot Clinical Trial","authors":"Phoom Narongkiatikhun MD , Sungho Park PhD , Amy Rydin MD , Callie Rountree-Jablin , Ye Ji Choi MPH , Jo Ann Antenor PhD, MPH , Laura Pyle PhD , Lynette Driscoll PA-C, MA , Daniel van Raalte MD , Maureen Pushea CCLS , Alyssa Caldwell-McGee MS , Vuddhidej Ophascharoensuk MD , Kristen Nadeau MD , Kalie Tommerdahl MD , Richard J. Johnson MD , Lorna Browne MD , Alex J. Barker MD , Petter Bjornstad MD","doi":"10.1016/j.xkme.2024.100911","DOIUrl":"10.1016/j.xkme.2024.100911","url":null,"abstract":"","PeriodicalId":17885,"journal":{"name":"Kidney Medicine","volume":"6 12","pages":"Article 100911"},"PeriodicalIF":3.2,"publicationDate":"2024-10-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142594065","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Advanced CKD of Uncertain Etiology Among Children in Guatemala: Genetic and Clinical Characteristics","authors":"Ankana Daga MD , Ana Luz Morales MD , Shirlee Shril MD , Elizabeth Benoit MPH , Dalia Pantel MD , Angie Aguilar-González MD , Mario García MD , Ana C. Onuchic-Whitford MD , Randall Lou-Meda MD , Friedhelm Hildebrandt MD","doi":"10.1016/j.xkme.2024.100910","DOIUrl":"10.1016/j.xkme.2024.100910","url":null,"abstract":"","PeriodicalId":17885,"journal":{"name":"Kidney Medicine","volume":"6 12","pages":"Article 100910"},"PeriodicalIF":3.2,"publicationDate":"2024-10-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142586707","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Antihypertensive Treatment Patterns in CKD Stages 3 and 4: The CKD-REIN Cohort Study","authors":"Margaux Costes-Albrespic , Sophie Liabeuf , Solène Laville , Christian Jacquelinet , Christian Combe , Denis Fouque , Maurice Laville , Luc Frimat , Roberto Pecoits-Filho , Oriane Lambert , Ziad A. Massy , Bénédicte Sautenet , Natalia Alencar de Pinho","doi":"10.1016/j.xkme.2024.100912","DOIUrl":"10.1016/j.xkme.2024.100912","url":null,"abstract":"<div><h3>Rationale & Objective</h3><div>Blood pressure (BP) control is essential for preventing cardiorenal complications in chronic kidney disease (CKD), but most patients fail to reach BP target. We assessed longitudinal patterns of antihypertensive drug prescription and systolic BP.</div></div><div><h3>Study Design</h3><div>Prospective observational cohort study.</div></div><div><h3>Setting & Population</h3><div>In total, 2,755 hypertensive patients with CKD stages 3-4, receiving care from a nephrologist, from the French CKD–Renal Epidemiology and Information Network (CKD-REIN cohort study).</div></div><div><h3>Exposure</h3><div>Patient factors, including sociodemographic characteristics, medical history, and laboratory data, and provider factors, including number of primary care physician and specialist encounters.</div></div><div><h3>Outcomes</h3><div>Changes in antihypertensive drug-class prescription during follow-up: add-on or withdrawal.</div></div><div><h3>Analytical Approach</h3><div>Hierarchical shared-frailty models to estimate hazard ratios (HR) to deal with clustering at the nephrologist level and linear mixed models to describe systolic BP trajectory.</div></div><div><h3>Results</h3><div>At baseline, median age was 69 years, and mean estimated glomerular filtration rate was 33<!--> <!-->mL/min/1.73 m². In total, 66% of patients were men, 81% had BP<!--> <!-->≥<!--> <!-->130/80<!--> <!-->mm Hg, and 75% were prescribed<!--> <!-->≥2 antihypertensive drugs. During a median 5-year follow-up, the rate of changes of antihypertensive prescription was 50 per 100 person-years, 23 per 100 for add-ons, and 25 per 100 for withdrawals. After adjusting for risk factors, systolic BP, and the number of antihypertensive drugs, poor medication adherence was associated with increased HR for add-on (1.35, 95% confidence interval [CI], 1.01-1.80), whereas a lower education level was associated with increased HR for withdrawal (1.23, 95% CI, 1.02-1.49) for 9-11 years versus<!--> <!-->≥12 years. More frequent nephrologist visits (≥4 vs none) were associated with higher HRs of add-on and withdrawal (1.52, 95% CI, 1.06-2.18; 1.57, 95% CI, 1.12-2.19, respectively), whereas associations with visit frequency to other physicians varied with their specialty. Mean systolic BP decreased by 4<!--> <!-->mm Hg following drug add-on but tended to increase thereafter.</div></div><div><h3>Limitations</h3><div>Lack of information on prescriber and drug dosing.</div></div><div><h3>Conclusions</h3><div>In patients with CKD and poor BP control, changes in antihypertensive drug prescriptions are common and relate to clinician preferences and patients’ tolerability. Sustainable reduction in systolic BP after add-on of a drug class is infrequently achieved.</div></div><div><h3>Plain-Language Summary</h3><div>Blood pressure (BP) control remains unattained in most patients with chronic kidney disease (CKD), raising questions about how antihypertensive treatment is manag","PeriodicalId":17885,"journal":{"name":"Kidney Medicine","volume":"6 12","pages":"Article 100912"},"PeriodicalIF":3.2,"publicationDate":"2024-10-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142586681","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Acute Kidney Injury Survivor Remote Patient Monitoring: A Single Center’s Experience and an Effectiveness Evaluation","authors":"Mariam Charkviani ,&nbsp;Andrea G. Kattah ,&nbsp;Andrew D. Rule ,&nbsp;Jennifer A. Ferguson ,&nbsp;Kristin C. Mara ,&nbsp;Kianoush B. Kashani ,&nbsp;Heather P. May ,&nbsp;Jordan K. Rosedahl ,&nbsp;Swetha Reddy ,&nbsp;Lindsey M. Philpot ,&nbsp;Erin F. Barreto","doi":"10.1016/j.xkme.2024.100905","DOIUrl":"10.1016/j.xkme.2024.100905","url":null,"abstract":"<div><h3>Rationale &amp; Objective</h3><div>Remote patient monitoring (RPM) could improve the quality and efficiency of acute kidney injury (AKI) survivor care. This study described our experience with AKI RPM and characterized its effectiveness.</div></div><div><h3>Study Design</h3><div>A cohort study matched 1:3 to historical controls.</div></div><div><h3>Setting &amp; Participants</h3><div>Patients hospitalized with an episode of AKI who were discharged home and were not treated with dialysis.</div></div><div><h3>Exposure</h3><div>Participation in an AKI RPM program, which included use of a home vital sign and symptom monitoring technology and weekly in-center laboratory assessments.</div></div><div><h3>Outcomes</h3><div>Risk of unplanned hospital readmission or emergency department (ED) visit within 6 months.</div></div><div><h3>Analytic Approach</h3><div>Endpoints were assessed using Cox proportional hazards models.</div></div><div><h3>Results</h3><div>Forty of the 49 patients enrolled in AKI RPM (82%) participated in the program after hospital discharge. Seventy three percent of patients experienced one AKI RPM alert, most commonly related to fluid status. Among those with stage 3 AKI, the risk of unplanned readmission or ED visit within 6 months of discharge was not different between AKI RPM patients (n<!--> <!-->=<!--> <!-->34) and matched controls (n<!--> <!-->=<!--> <!-->102) (HR 1.33 [95% CI, 0.81-2.18]; <em>P</em> <!-->=<!--> <!-->0.27). The incidence of an ED visit without hospitalization was significantly higher in the AKI RPM group (HR 1.95, [95% CI, 1.05-3.62]; <em>P</em> <!-->=<!--> <!-->0.035). The risk of an unplanned readmission or ED visit was higher in those with baseline eGFR<!--> <!-->&lt;<!--> <!-->45<!--> <!-->mL/min/1.73<!--> <!-->m² exposed to AKI RPM (HR 2.24 [95% CI, 1.19-4.20]; <em>P</em> <!-->=<!--> <!-->0.012) when compared with those with baseline eGFR<!--> <!-->≥45<!--> <!-->mL/min/1.73<!--> <!-->m² (HR 0.69 [95% CI, 0.29-1.67]; <em>P</em> <!-->=<!--> <!-->0.41) (test of interaction <em>P</em> <!-->=<!--> <!-->0.04).</div></div><div><h3>Limitations</h3><div>Small sample size that may have been underpowered for the effectiveness endpoints.</div></div><div><h3>Conclusions</h3><div>AKI RPM, when used after hospital discharge, led to alerts and interventions directed at optimizing kidney health and AKI complications but did not reduce the risk for rehospitalization.</div></div>","PeriodicalId":17885,"journal":{"name":"Kidney Medicine","volume":"6 11","pages":"Article 100905"},"PeriodicalIF":3.2,"publicationDate":"2024-09-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142418758","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Acute Kidney Injury Associated With Red Yeast Rice (Beni-kōji) Supplement: A Report of Two Cases","authors":"Kiyotaka Uchiyama ,&nbsp;Masako Otani ,&nbsp;Naoki Chigusa ,&nbsp;Kazuya Sugita ,&nbsp;Ryosuke Matsuoka ,&nbsp;Koji Hosoya ,&nbsp;Mina Komuta ,&nbsp;Jun Ito ,&nbsp;Naoki Washida","doi":"10.1016/j.xkme.2024.100908","DOIUrl":"10.1016/j.xkme.2024.100908","url":null,"abstract":"<div><div>Numerous health concerns, primarily kidney injury, have been reported with the use of Beni-kōji CholesteHelp, a functional food containing red yeast rice. Here, we describe 2 cases of kidney injury caused by beni-kōji. The first case had normal kidney function before consuming the product. After several months of use, she developed hypertension. After 6 months of supplement consumption, her estimated glomerular filtration rate (eGFR) dropped to 22.5<!--> <!-->mL/min/1.73<!--> <!-->m². A spot urine sample showed a urinary protein-to-creatinine ratio of 2.03<!--> <!-->g/g, leading to the diagnosis of Fanconi syndrome. Kidney biopsy showed tubular degeneration. Thirty-five days after discontinuing the supplement, proteinuria resolved and the eGFR returned to baseline level. The second case, who had diabetes and normal kidney function, experienced severe kidney injury (eGFR, 3.5<!--> <!-->mL/min/1.73<!--> <!-->m²) after 4 months of Beni-kōji CholesteHelp use. He required hemodialysis for<!--> <!-->&gt;2 weeks but recovered kidney function after the product was discontinued. Kidney biopsy showed tubular injury similar to the first case and glomeruli changes consistent with diabetic nephropathy. These cases indicate that beni-kōji use is associated with tubular toxicity. Further studies are required to identify the precise etiology and mechanism of kidney injury.</div></div>","PeriodicalId":17885,"journal":{"name":"Kidney Medicine","volume":"6 11","pages":"Article 100908"},"PeriodicalIF":3.2,"publicationDate":"2024-09-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142528957","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Renal Physiology Education via Podcast: Channel Your Enthusiasm","authors":"Melanie P. Hoenig ,&nbsp;Anna R. Gaddy ,&nbsp;Priti Meena ,&nbsp;Roger A. Rodby ,&nbsp;Leticia Rolón ,&nbsp;Juan Carlos Q. Velez ,&nbsp;Joshua Waitzman ,&nbsp;Amy A. Yau ,&nbsp;Joel M. Topf","doi":"10.1016/j.xkme.2024.100903","DOIUrl":"10.1016/j.xkme.2024.100903","url":null,"abstract":"<div><div>Renal physiology is considered one of the most challenging medical disciplines to understand and to teach. Eight academic nephrologists have come together to produce a podcast devoted to helping learners at any level improve their understanding of this difficult topic. Using Dr Burton D. Rose’s classic textbook: <em>Clinical Physiology of Acid-Base and Electrolyte Disorders</em>, the podcast faculty systematically attack each chapter of the book in a didactic yet fun-flowing interactive discussion. This education model is unique and helps demystify complex topics.</div></div>","PeriodicalId":17885,"journal":{"name":"Kidney Medicine","volume":"6 11","pages":"Article 100903"},"PeriodicalIF":3.2,"publicationDate":"2024-09-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142416838","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}