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Medication Adherence of Older Adults with Hypertension: A Systematic Review
Suebsarn Ruksakulpiwat1, Nicholas K Schiltz2, Elliane Irani2
1Department of Medical Nursing, Faculty of Nursing, Mahidol University, Bangkok, Thailand.
Insights
Low medication adherence in older adults with hypertension is a significant issue. Factors like the number of medications, financial status, and patient-physician relationships influence adherence, highlighting areas for intervention.
Area of Science:
- Gerontology
- Cardiovascular Medicine
- Health Services Research
Background:
- Hypertension (HTN) is a major global health concern, increasing stroke and heart disease risks, especially in older adults.
- Antihypertensive medications are crucial for blood pressure control and complication prevention.
- Low medication adherence rates in older adults with HTN pose a significant challenge to effective disease management.
Purpose of the Study:
- To systematically identify and synthesize factors influencing medication adherence in older adults diagnosed with hypertension.
- To provide evidence-based insights for developing targeted interventions to improve adherence.
Main Methods:
- Systematic literature search using PRISMA guidelines across PubMed, MEDLINE, and Google Scholar (July 2022).
- Convergent integrated analysis framework from the Joanna Briggs Institute for data synthesis.
- Inclusion of 13 studies after screening 448 initial articles.
Main Results:
- Fifteen themes influencing medication adherence were identified.
- Most prevalent factors include: number of medications (53.9%), financial status (38.5%), sex (38.5%), age (30.1%), disease duration (23.1%), comorbidities (23.1%), and health compliance (23.1%).
- Other identified themes include education, health literacy, beliefs, self-efficacy, and social support.
Conclusions:
- Findings underscore critical areas for developing innovative, evidence-based programs to enhance medication adherence in hypertensive older adults.
- Improved adherence can lead to better health outcomes and prevention of serious complications associated with hypertension.
Objective:
Hypertension (HTN) significantly increases the risk of stroke and heart disease, which are the leading causes of death and disability globally, particularly among older adults. Antihypertensive medication is a proven treatment for blood pressure control and preventing complications. However, medication adherence rates in older adults with HTN are low. In this review, we systematically identified factors influencing medication adherence in older adults with HTN.
Methods:
We applied the PRISMA guidelines and conducted systematic searches on PubMed, MEDLINE, and Google Scholar in July 2022 to identify preliminary studies reporting factors influencing medication adherence among older adults with HTN. The convergent integrated analysis framework suggested by the Joanna Briggs Institute for systematic reviews was adopted for data synthesis.
Results:
Initially, 448 articles were identified, and after title and abstract screening, 16 articles qualified for full-text review. During this phase, three articles were excluded for reporting on irrelevant populations or focusing on issues beyond the review's aim, leaving thirteen studies in the final review. After data synthesis, fifteen themes were extracted from the key findings of the included studies. The most prevalent themes included the number of medications used (53.9%, n=7 studies), financial status (38.5%, n=5), sex (38.5%, n=5), age (30.1%, n=4), duration of disease (23.1%, n=3), comorbidities (23.1%, n=3), and health compliance (23.1%, n=3). Other themes, such as education, health literacy, health belief, medication belief, perception of illness, patient-physician relationship, self-efficacy, and social support, were also identified.
Conclusion:
The findings of this review highlight critical areas for developing innovative, evidence-based programs to improve medication adherence in hypertensive older adults. Insights from this review can contribute to improving medication adherence and preventing future health complications.
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