Proteinuria is independently associated with the incidence of primary cardiovascular events in diabetic patients.

Albuminuria is a risk factor for cardiovascular events in diabetic patients, but it is unknown whether proteinuria is also a risk factor for cardiovascular events in these patients. The Japanese Primary Prevention of Atherosclerosis with Aspirin for Diabetes (JPAD) trial was performed between 2002 and 2008 to examine the efficacy of low-dose aspirin therapy for the primary prevention of cardiovascular events in type 2 diabetes patients. After the JPAD trial was completed, we continued to follow up the patients until 2015. Among the 2536 patients participating in the JPAD study, 42 were excluded because proteinuria was not checked at registration. We divided the patients into two groups: proteinuria group (n = 446; proteinuria ± or greater) and non-proteinuria groups (n = 2048; proteinuria -). We compared the incident rate of cardiovascular events between the two groups. During the observation period [median, 10.3 (10.2-10.5) years], 332 patients had a first cardiovascular event. Among 332 patients, 136 patients had cerebrovascular events and 54 patients had acute myocardial infarction. The incidence rate of cardiovascular events was significantly higher in the proteinuria group compared with the non-proteinuria group (HR 1.75, 95%CI 1.36-2.23, p < 0.0001). The incidence rate of cerebrovascular events was also significantly higher in the proteinuria group than in the non-proteinuria group (HR 1.71, 95%CI 1.14-2.49, p = 0.0064). The Cox proportional hazards model revealed that proteinuria was independently associated with cardiovascular events in diabetic patients without a history of cardiovascular events after adjusting for age, gender, body mass index, hemoglobin A1c level, duration of diabetes, and estimated glomerular filtration rate. Proteinuria was independently associated with the incidence of primary cardiovascular events in diabetic patients. Proteinuria detected by the dipstick test, which is simple and inexpensive, is useful as a first step in the risk assessment of diabetic patients. Copyright © 2019 Japanese College of Cardiology. Published by Elsevier Ltd. All rights reserved.

Citation

Hirofumi Soejima, Hisao Ogawa, Takeshi Morimoto, Sadanori Okada, Chisa Matsumoto, Masafumi Nakayama, Izuru Masuda, Hideaki Jinnouchi, Masako Waki, Yoshihiko Saito, JPAD Trial Investigators. Proteinuria is independently associated with the incidence of primary cardiovascular events in diabetic patients. Journal of cardiology. 2020 Apr;75(4):387-393

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PMID: 31564388

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