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Erschienen in:
01.11.2022 | Original article
Evaluating Adherence to Concomitant Diabetes, Hypertension, and Hyperlipidemia Treatments and Cardiovascular Outcomes Among Elderly Patients Using Marginal Structural Modeling
Erschienen in: High Blood Pressure & Cardiovascular Prevention | Ausgabe 6/2022
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Introduction
Comorbid diabetes, hypertension, and hyperlipidemia is associated with an adverse effect on cardiovascular (CV) outcomes. Adherence to concurrent anti-diabetics, anti-hypertensives, and lipid-lowering therapies is essential to achieve therapeutic benefits.
Aim
The objective was to evaluate the association between adherence to concomitant oral antidiabetics, statins, and RAS antagonists (triple therapy) and CV outcomes, among elderly patients using marginal structural modeling (MSM).
Methods
A retrospective study was conducted among patients on concurrent triple therapy from January 2016 until December 2019. Adherence to concurrent triple therapy was measured every 6 months using proportion of days covered (PDC) to determine the different adherence groups. CV outcomes were also measured every 6 months. A MSM controlling for baseline covariates and time-varying confounders affected by prior adherence was conducted to evaluate the association between adherence and CV outcomes. A sub-analysis was conducted among patients with prior CV events to evaluate the association between adherence to triple therapy and CV outcomes using MSMs.
Results
The final cohort comprised of 7433 patients. The MSM model revealed no significant associations between adherence to triple/double therapies and cardiovascular outcomes. For sub-analysis, 471 patients with a prior CV event were identified. Results of the sub-analysis revealed no significant associations between adherence to triple/double therapies and CV outcomes among patients with prior CV events.
Conclusion
Future studies should evaluate the association with longer follow-up periods.