Allon N Friedman,Alex R Chang,Ling Ling Chuah,Guillaume A Favre,Caroline Grangeon-Chapon,Katie Lane,Yang Li,Carl W le Roux,John C Lieske,Enrique Morales,Esteban Porrini,Avry Chagnac
{"title":"减肥手术前后肾小球滤过率的测量、估计和相关因素。","authors":"Allon N Friedman,Alex R Chang,Ling Ling Chuah,Guillaume A Favre,Caroline Grangeon-Chapon,Katie Lane,Yang Li,Carl W le Roux,John C Lieske,Enrique Morales,Esteban Porrini,Avry Chagnac","doi":"10.1681/asn.0000000797","DOIUrl":null,"url":null,"abstract":"BACKGROUND\r\nImportant questions remain about how bariatric (i.e. weight loss) surgery affects measured glomerular filtration rate (mGFR) and estimated GFR (eGFR) as well as what factors influence change in mGFR post-surgery.\r\n\r\nMETHODS\r\nData were pooled from all seven available studies (dates: 2004-2018) measuring GFR pre- and post-bariatric surgery using gold standard methods. Change in post-surgery mGFR, factors that influence change in mGFR, and effects on five GFR-estimating equations were analyzed using standard statistical methods.\r\n\r\nRESULTS\r\nThe cohort included 105 individuals from the US and Europe. 68% were female, 97% white, mean age was 50 years (range: 24-70), and mean BMI 46±8 kg/m2. Mean pre-surgery mGFR of 107 ml/min (range: 31-215) fell to 92 ml/min (-14%, 95% CI: -21, -10) post-surgery, with a strong linear relationship existing between pre-surgery mGFR and % change in GFR (r=-0.51; -0.64, -0.35). Individuals with pre-surgery mGFR ≥90, 60-<90, and <60 ml/min had -25 (-32, -19), 1 (-11, 13P=0.82), and 7 (0, 14) ml/min mean postoperative changes in mGFR. Change in weight was significantly correlated with change in mGFR (r=0.22; 0.03, 0.40). After adjusting for sex, changes in mGFR post-surgery were associated with higher pre-surgical age (-0.6 ml/min per year; -1.1, -0.2), mGFR (-0.5 ml/min per 1 ml/min; -0.6, -0.4) and change in systolic blood pressure (-0.3 ml/min per 1 mmHg; -0.6, 0.0). All GFR-estimating equations significantly underestimated post-surgical GFR reductions in people with preserved kidney function and had improved bias, precision and accuracy when de-indexed and applied to individuals with mGFR<90 ml/min.\r\n\r\nCONCLUSIONS\r\nIn individuals with obesity undergoing bariatric surgery the magnitude of post-surgical decline in mGFR is directly associated with pre-surgery GFR and only weakly correlated with weight loss. Additionally, GFR-estimating equations' performance improved when de-indexed and used in people with reduced kidney function, with the combined creatinine/cystatin C equations having the best overall performance.","PeriodicalId":17217,"journal":{"name":"Journal of The American Society of Nephrology","volume":"16 1","pages":""},"PeriodicalIF":10.3000,"publicationDate":"2025-07-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Measurement, Estimation, and Correlates of the Glomerular Filtration Rate before and after Bariatric Surgery.\",\"authors\":\"Allon N Friedman,Alex R Chang,Ling Ling Chuah,Guillaume A Favre,Caroline Grangeon-Chapon,Katie Lane,Yang Li,Carl W le Roux,John C Lieske,Enrique Morales,Esteban Porrini,Avry Chagnac\",\"doi\":\"10.1681/asn.0000000797\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"BACKGROUND\\r\\nImportant questions remain about how bariatric (i.e. weight loss) surgery affects measured glomerular filtration rate (mGFR) and estimated GFR (eGFR) as well as what factors influence change in mGFR post-surgery.\\r\\n\\r\\nMETHODS\\r\\nData were pooled from all seven available studies (dates: 2004-2018) measuring GFR pre- and post-bariatric surgery using gold standard methods. Change in post-surgery mGFR, factors that influence change in mGFR, and effects on five GFR-estimating equations were analyzed using standard statistical methods.\\r\\n\\r\\nRESULTS\\r\\nThe cohort included 105 individuals from the US and Europe. 68% were female, 97% white, mean age was 50 years (range: 24-70), and mean BMI 46±8 kg/m2. Mean pre-surgery mGFR of 107 ml/min (range: 31-215) fell to 92 ml/min (-14%, 95% CI: -21, -10) post-surgery, with a strong linear relationship existing between pre-surgery mGFR and % change in GFR (r=-0.51; -0.64, -0.35). Individuals with pre-surgery mGFR ≥90, 60-<90, and <60 ml/min had -25 (-32, -19), 1 (-11, 13P=0.82), and 7 (0, 14) ml/min mean postoperative changes in mGFR. Change in weight was significantly correlated with change in mGFR (r=0.22; 0.03, 0.40). After adjusting for sex, changes in mGFR post-surgery were associated with higher pre-surgical age (-0.6 ml/min per year; -1.1, -0.2), mGFR (-0.5 ml/min per 1 ml/min; -0.6, -0.4) and change in systolic blood pressure (-0.3 ml/min per 1 mmHg; -0.6, 0.0). All GFR-estimating equations significantly underestimated post-surgical GFR reductions in people with preserved kidney function and had improved bias, precision and accuracy when de-indexed and applied to individuals with mGFR<90 ml/min.\\r\\n\\r\\nCONCLUSIONS\\r\\nIn individuals with obesity undergoing bariatric surgery the magnitude of post-surgical decline in mGFR is directly associated with pre-surgery GFR and only weakly correlated with weight loss. Additionally, GFR-estimating equations' performance improved when de-indexed and used in people with reduced kidney function, with the combined creatinine/cystatin C equations having the best overall performance.\",\"PeriodicalId\":17217,\"journal\":{\"name\":\"Journal of The American Society of Nephrology\",\"volume\":\"16 1\",\"pages\":\"\"},\"PeriodicalIF\":10.3000,\"publicationDate\":\"2025-07-15\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Journal of The American Society of Nephrology\",\"FirstCategoryId\":\"3\",\"ListUrlMain\":\"https://doi.org/10.1681/asn.0000000797\",\"RegionNum\":1,\"RegionCategory\":\"医学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q1\",\"JCRName\":\"UROLOGY & NEPHROLOGY\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of The American Society of Nephrology","FirstCategoryId":"3","ListUrlMain":"https://doi.org/10.1681/asn.0000000797","RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"UROLOGY & NEPHROLOGY","Score":null,"Total":0}
Measurement, Estimation, and Correlates of the Glomerular Filtration Rate before and after Bariatric Surgery.
BACKGROUND
Important questions remain about how bariatric (i.e. weight loss) surgery affects measured glomerular filtration rate (mGFR) and estimated GFR (eGFR) as well as what factors influence change in mGFR post-surgery.
METHODS
Data were pooled from all seven available studies (dates: 2004-2018) measuring GFR pre- and post-bariatric surgery using gold standard methods. Change in post-surgery mGFR, factors that influence change in mGFR, and effects on five GFR-estimating equations were analyzed using standard statistical methods.
RESULTS
The cohort included 105 individuals from the US and Europe. 68% were female, 97% white, mean age was 50 years (range: 24-70), and mean BMI 46±8 kg/m2. Mean pre-surgery mGFR of 107 ml/min (range: 31-215) fell to 92 ml/min (-14%, 95% CI: -21, -10) post-surgery, with a strong linear relationship existing between pre-surgery mGFR and % change in GFR (r=-0.51; -0.64, -0.35). Individuals with pre-surgery mGFR ≥90, 60-<90, and <60 ml/min had -25 (-32, -19), 1 (-11, 13P=0.82), and 7 (0, 14) ml/min mean postoperative changes in mGFR. Change in weight was significantly correlated with change in mGFR (r=0.22; 0.03, 0.40). After adjusting for sex, changes in mGFR post-surgery were associated with higher pre-surgical age (-0.6 ml/min per year; -1.1, -0.2), mGFR (-0.5 ml/min per 1 ml/min; -0.6, -0.4) and change in systolic blood pressure (-0.3 ml/min per 1 mmHg; -0.6, 0.0). All GFR-estimating equations significantly underestimated post-surgical GFR reductions in people with preserved kidney function and had improved bias, precision and accuracy when de-indexed and applied to individuals with mGFR<90 ml/min.
CONCLUSIONS
In individuals with obesity undergoing bariatric surgery the magnitude of post-surgical decline in mGFR is directly associated with pre-surgery GFR and only weakly correlated with weight loss. Additionally, GFR-estimating equations' performance improved when de-indexed and used in people with reduced kidney function, with the combined creatinine/cystatin C equations having the best overall performance.
期刊介绍:
The Journal of the American Society of Nephrology (JASN) stands as the preeminent kidney journal globally, offering an exceptional synthesis of cutting-edge basic research, clinical epidemiology, meta-analysis, and relevant editorial content. Representing a comprehensive resource, JASN encompasses clinical research, editorials distilling key findings, perspectives, and timely reviews.
Editorials are skillfully crafted to elucidate the essential insights of the parent article, while JASN actively encourages the submission of Letters to the Editor discussing recently published articles. The reviews featured in JASN are consistently erudite and comprehensive, providing thorough coverage of respective fields. Since its inception in July 1990, JASN has been a monthly publication.
JASN publishes original research reports and editorial content across a spectrum of basic and clinical science relevant to the broad discipline of nephrology. Topics covered include renal cell biology, developmental biology of the kidney, genetics of kidney disease, cell and transport physiology, hemodynamics and vascular regulation, mechanisms of blood pressure regulation, renal immunology, kidney pathology, pathophysiology of kidney diseases, nephrolithiasis, clinical nephrology (including dialysis and transplantation), and hypertension. Furthermore, articles addressing healthcare policy and care delivery issues relevant to nephrology are warmly welcomed.