{"id":20694,"date":"2024-11-10T14:56:36","date_gmt":"2024-11-10T19:56:36","guid":{"rendered":"https:\/\/www.ices.on.ca\/?post_type=journal_article&p=20694"},"modified":"2024-11-14T15:01:22","modified_gmt":"2024-11-14T20:01:22","slug":"prevalence-characteristics-and-outcomes-of-people-with-a-high-body-mass-index-across-the-kidney-disease-spectrum","status":"publish","type":"journal_article","link":"https:\/\/www.ices.on.ca\/fr\/publications\/journal-articles\/prevalence-characteristics-and-outcomes-of-people-with-a-high-body-mass-index-across-the-kidney-disease-spectrum\/","title":{"rendered":"Prevalence, characteristics, and outcomes of people with a high body mass index across the kidney disease spectrum: a population-based cohort study"},"content":{"rendered":"

Background<\/strong> \u2014\u00a0Obesity has a major impact on health and health care, particularly in those with chronic kidney disease (CKD).<\/p>\n

Objective<\/strong> \u2014 The objective was to describe the prevalence, characteristics, and outcomes of people living with CKD and obesity (defined by a body mass index [BMI] \u226530 kg\/m2) in Canada.<\/p>\n

Design<\/strong> \u2014 Population-based cohort study using linked administrative health data (ICES).<\/p>\n

Patients<\/strong> \u2014 Adults aged 18 year and older with CKD G1-5D who had a height and weight recorded during a visit to an academic hospital in London Ontario Canada, between January 2010 and December 2019.<\/p>\n

Measures<\/strong> \u2014\u00a0CKD as defined by CKD 3A or higher. BMI as defined by weight kg\/m2.<\/p>\n

Methods<\/strong> \u2014\u00a0As a primary interest, we described the percentage of patients with CKD across different BMI categories (<25 kg\/m2, BMI 25-29.9 kg\/m2, and BMI \u226530 kg\/m2), as well as their demographic and clinical profiles. As secondary interests, we followed patients until January 1, 2022 to summarize: (1) the percentage with CKD G3 who had kidney disease progression (50% decline from baseline estimated glomerular filtration rate [eGFR]) by BMI category, (2) the percentage with CKD G3-4 who developed kidney failure (initiation of maintenance dialysis or an eGFR of <15 mL\/min\/1.73 m2) by BMI category, (3) the percentage with CKD G4-G5D who received a kidney transplant by BMI category, and (4) post-transplant outcomes in those transplanted over the study period, by BMI category. We performed similar analyses across CKD risk categories.<\/p>\n

Results<\/strong> \u2014\u00a0Of the 198\u2009151 patients included, the percentage with obesity defined by a BMI \u226530 kg\/m2 increased from CKD G1 to CKD G4 (ie, 37% of those with CKD G1 had a BMI \u226530 kg\/m2 vs 40.9% of CKD G4). In CKD G5D and CKD T, the prevalence of high BMI appeared to drop (only ~38% had a BMI \u226530 kg\/m2 across groups). Across CKD categories, those with a BMI \u226530 kg\/m2 appeared to have more comorbidities, use more health care resources, and have more socioeconomic disparities than those with lower BMIs. Although secondary outcome events were limited, those with G3-4 with a BMI \u226530 kg\/m2 appeared to have a higher risk of CKD progression and those with CKD G5D with BMI \u226530 kg\/m2 were less likely to receive transplant over the study period. Interestingly those transplanted with a BMI \u226530 kg\/m2 appeared to have fewer post-transplant complications. We also observed an \u201cobesity-paradox\u201d in the risk of mortality, with high BMI appearing protective, particularly in the end stages of kidney disease.<\/p>\n

Limitations<\/strong> \u2014\u00a0We used BMI to capture obesity in this study but recognize its limitations as a measure of body composition. Secondary outcomes were descriptive and unadjusted due to small sample size and may have been subject to selection bias and confounding.<\/p>\n

Conclusions<\/strong> \u2014 Obesity defined by high BMI is highly prevalent in people with CKD, and patients have health, health care, and social disparity. Future studies to understand the impact of BMI on patients with CKD and how to individualize and manage BMI and obesity across the spectrum of CKD remain important.<\/p>\n","protected":false},"excerpt":{"rendered":"

Background \u2014\u00a0Obesity has a major impact on health and health care, particularly in those with chronic kidney disease (CKD). Objective \u2014 The objective was to describe the prevalence, characteristics, and outcomes of people living with CKD and obesity (defined by a body mass index [BMI] \u226530 kg\/m2) in Canada. Design \u2014 Population-based cohort study using […]<\/p>\n","protected":false},"template":"","migration-helper-automated":[],"migration-manual":[],"topic":[57,49],"migration-helper-qa-sample-set":[],"class_list":["post-20694","journal_article","type-journal_article","status-publish","hentry","topic-diet-and-nutrition","topic-kidney-disease"],"acf":{"citation":"Sahi G, Reid J, Moist L, Chiu M, Vinson A, Stranges S, Naylor K, Zhu Y, Clemens KK. Can J Kidney Health Dis<\/em>. 2024; 11:20543581241293199.","source_url":"https:\/\/doi.org\/10.1177\/20543581241293199","ices_scientist":[1299,1206],"site":[6739],"research_program":[6743],"news_release":"","journal_article":"","atlas":"","research_report":"","infographic":"","video":"","downloads":null,"links":null,"sitecore_item_id":"","sitecore_item_name":"","sitecore_field_values":"","previous_url":""},"yoast_head":"\nICES | Prevalence, characteristics, and outcomes of people with a high body mass index across the kidney disease spectrum: a population-based cohort study<\/title>\n<meta name=\"description\" content=\"Background \u2014\u00a0Obesity has a major impact on health and health care, particularly in those with chronic kidney disease (CKD). 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