Medical and Dental Visits of Chronic Kidney Disease-Diagnosed Participants Analyzed From the Specific Health Checkups Results in Japan: TAMA MED Project-CKD

Tomohiro Kaneko, Eitaro Kodani, Hitomi Fujii, Hiroyuki Nakamura, Hajime Sasabe, Yutaka Tamura, Shuichi Tsuruoka


Background: Since 2012, Tama City has promoted the early detection of chronic kidney disease (CKD), through an initiative that measures serum creatinine as part of the specific health checkups. We examined preventive measures against CKD deterioration based on the outcomes of this initiative.

Methods: The complications, medication status, body mass index, smoking status and other determining factors were surveyed among CKD-diagnosed participants over 3 years between 2013 and 2015. Moreover, factors aggravating CKD were investigated via a survey of medical and dental visits based on health insurance claim data over the same period.

Results: There was an increased rate of comorbid hypertension with each increase in the CKD stage. Comorbidity rates of diabetes mellitus, dyslipidemia, obesity, and smoking increased until CKD stage G4, and then decreased from stage G5. A substantial number of participants with CKD stage G3b and above were not medicated despite comorbidities like hypertension, diabetes mellitus and dyslipidemia. While the rate of regular visits at medical institutions was seen to increase significantly in accordance with the worsening degree of CKD, there were also individuals who, despite having severe CKD, did not visit medical institutions specializing in internal medicine. The rate of dental visits decreased as the CKD stage increased, and further decreased as the diabetic control status worsened.

Conclusions: CKD patients should become aware of the importance of the dental visit because only a limited number of patients with advanced CKD received dental care.

J Clin Med Res. 2020;12(2):115-121


Chronic kidney disease; Specific health checkups; CKD without proteinuria; Medical and dental visits

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