GP-delivered secondary prevention cardiovascular disease programme; early predictors of likelihood of patient non-adherence
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Published on: August 1, 2019
Insights
Predicting patient non-adherence to coronary heart disease (CHD) secondary prevention is possible using routinely recorded data. Early identification of missed appointments and persistent lifestyle factors can signal the need for interventions.
Area of Science:
- Cardiology
- Public Health
- Healthcare Management
Background:
- This study investigated the predictability of patient non-adherence to secondary prevention programs for established coronary heart disease (CHD).
- Utilizing routinely recorded data from 10,851 CHD patients, the research aimed to identify early predictors of non-adherence to primary care-delivered programs.
- Non-adherence was defined as attending three or fewer general practitioner (GP) visits over the follow-up period.
Discussion:
- The study identified key predictors of non-adherence, including longer intervals between early visits, lack of family history of CHD, current smoking status, and not meeting exercise targets at baseline.
- These findings highlight the importance of considering patient history and lifestyle factors in predicting engagement with secondary prevention.
- The results suggest that administrative data and baseline health parameters can offer valuable insights into adherence patterns.
Key Insights:
- Longer intervals between initial appointments are associated with higher rates of non-adherence.
- Absence of a family history of CHD, smoking, and suboptimal exercise levels at baseline independently predict non-adherence.
- Early detection of delayed or missed appointments by GPs is a critical indicator for potential non-adherence.
Outlook:
- Targeted interventions are necessary to maintain patient adherence in primary care-based secondary prevention programs.
- GPs should be vigilant for warning signs such as deferred appointments and persistent unhealthy lifestyle choices.
- Further research could explore the efficacy of specific interventions triggered by these early warning signs.
Introduction:
The aim of this study was to determine how routinely recorded data could predict early the likelihood of patient non-adherence to a primary care-delivered secondary prevention programme for established coronary heart disease (CHD), with patients with CHD (10,851) invited to attend four times per year.
Method:
Non-adherence was defined as attending no more than three GP visits ever. The study sample was selected to allow a possible two-year recorded follow-up period in which patients could take up invitations. Administrative recordings of visit dates and intervals between visits, baseline results of key parameters and early changes were examined using logistic regression to determine independent predictors of non-adherence.
Result:
Longer interval between early visits, no family history of CHD, smoking and being outside target for exercise at baseline were independently associated with non-adherence.
Conclusion:
Early identification by GPs of those who fail to attend on time or who defer appointments, in addition to persistence of lifestyle factors unchanged by a prior serious cardiac event should serve as a warning sign that targeted interventions to maintain adherence in primary care-delivered secondary prevention programmes are necessary.
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