Key Points Onset of any new cardio-renal-metabolic condition drove substantial increase in health care costs. Overall costs increased by $10,316 (130%) when CKD developed, $6789 (84%) for type 2 diabetes, $21,573 (304%) for atherosclerotic cardiovascular disease, and $36,522 (475%) for heart failure. However, as a result of prediagnosis costs being higher as more conditions were present, the percentage increases in costs associated with incidence were lower when more prevalent conditions existed. Background The cardio-renal-metabolic (CRM) syndrome is a constellation of conditions which includes atherosclerotic cardiovascular disease, heart failure (HF), CKD, and type 2 diabetes. The economic consequences of developing each of these comorbidities in the context of the others have not been studied. Methods We used the electronic medical records of Kaiser Permanente Northwest to identify 387,985 members aged 18 years or older who had a serum creatinine measured between 2005 and 2017. Patients were followed through 2019. We used a statistical approach that assesses time dependency for continuous measures; the total observation period for each patient was divided into quarters (91-day increments), and each patient contributed a record for every quarter in which they were members of the health plan. CRM status was determined for each quarter. Results The incremental annualized cost of each of these chronic diseases was similar regardless of which other conditions were present when the new condition developed. Overall costs increased by $10,316 (130%) when CKD developed, $6789 (84%) for type 2 diabetes, $21,573 (304%) for atherosclerotic cardiovascular disease, and $36,522 (475%) for HF. However, as a result of prediagnosis costs being higher as more conditions were present, the percentage increases in costs associated with incidence were lower when more prevalent conditions existed. Conclusions Onset of any new CRM condition drove substantial increase in health care costs. Our findings indicate a clear interplay of CRM conditions and emphasize the need for better simultaneous prevention and management of these disease states to reduce the economic burden on health care systems.
Aims Chronic kidney disease (CKD) and cardiometabolic conditions are closely interrelated. We studied the risk of incident CKD among patients who had/developed type 2 diabetes (T2D), heart failure (HF), or atherosclerotic cardiovascular disease (ASCVD).
Background: The cardiometabolic syndrome focuses on the association between type 2 diabetes mellitus (T2DM) and atherosclerotic cardiovascular disease (ASCVD), whereas the cardiorenal syndrome focuses on the association between chronic kidney disease (CKD) and heart failure (HF). Consideration of these two syndromes as a single entity has not been well described. Methods: We used the electronic medical records of Kaiser Permanente Northwest to identify 387,985 members aged 18+ years with a serum creatinine measured from 2005 to 2017. If the estimated glomerular filtration rate was <60 mL/min per 1.73 m2, we required a second confirmatory measurement 3-12 months later. Patients were followed through 2019. We calculated the age- and gender-adjusted incidence and progression of CKD per 1000 person-years using generalized estimating equations. We used Cox proportional hazard models to assess the time-dependent effect of each condition on incidence of the other conditions. Results: CKD incidence rates were highest in patients with T2DM, ASCVD, and HF (27.0 per 1000 person-years [95% confidence interval (CI) 24.8-29.4] vs. 5.9 [5.8-6.0] in patients with none of these conditions). Similar results were obtained for CKD progression (309.0, 283.9-336.4 for all three conditions vs. 147.9, 143.3-152.4 for no condition). In time-dependent models, all three conditions were independently associated with CKD incidence, being highest for HF (hazard ratio 2.14, 95% CI 2.07-2.21). All relationships between CKD, T2DM, ASCVD, and HF were significant and bidirectional. Conclusions: The presence of CKD, T2DM, HF, and ASCVD each conveys risk on the others. A cardiometabolic renal syndrome comprising these conditions may be an important disease entity that requires a comprehensive treatment approach.
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