Poor adherence with ACE inhibitors is a risk factor of CVA with oral hypoglycemic agents in diabetic patients
Muhammad Tariq Aftab1, Hasnain Abbas Dharamshi2, Ahmed Faraz2
1College of Medicine, University of Dammam, Dammam, Saudi Arabia.
Insights
Poor adherence to antihypertensive medications increases the risk of cerebrovascular accident (CVA). This is particularly significant for diabetic patients on oral hypoglycemic agents, where non-adherence to ACE inhibitors is a key risk factor for CVA.
Area of Science:
- Cardiology
- Neurology
- Pharmacology
Background:
- Poor medication adherence significantly impacts pharmacotherapy outcomes, especially for antihypertensive drugs.
- Antihypertensive medication non-adherence can lead to severe complications like cerebrovascular accident (CVA).
Purpose of the Study:
- To investigate the association between poor adherence to antihypertensive medications and CVA in both diabetic and non-diabetic patients.
- To identify specific antihypertensive drug classes associated with CVA risk in patients with hypertension and diabetes.
Main Methods:
- A study involving 100 CVA patients admitted to a tertiary care hospital.
- Inclusion criteria: diagnosed CVA, primary hypertension, available therapeutic records, and patient/successor consent.
- Exclusion criteria: secondary hypertension, newly diagnosed hypertension, and complete medication adherence. Morisky Medication Adherence Scale was used.
Main Results:
- The study included 100 CVA patients (mean age 62.15 years, 3:1 male to female ratio).
- 59 patients had both diabetes and hypertension, while 41 had hypertension alone.
- Poor adherence to ACE inhibitors was significantly associated with CVA in diabetic patients using oral hypoglycemic agents (P<0.05).
Conclusions:
- Poor adherence to antihypertensive medications, particularly ACE inhibitors, is a significant risk factor for cerebrovascular accident (CVA).
- This risk is notably elevated in diabetic patients concurrently using oral hypoglycemic agents.
- Optimizing medication adherence is crucial for preventing CVA in hypertensive and diabetic populations.
Abstract:
Poor adherence with medicine declines the clinical outcome of pharmacotherapy. It may carry serious sequelae especially in case of antihypertensive drugs like cerebrovascular accident (CVA). This study has been planned to find the association of poor adherence with anti-hypertensive with CVA in diabetic and non- diabetic patients. One hundred CVA patients who were admitted through Emergency in Abbasi Shaheed hospital, a tertiary care hospital in Karachi, were recruited from Jun 2013 till Dec 2013. The criteria of inclusion was, diagnosed case of CVA, with primary hypertension, availability of patient's therapeutic record, consent of the patient or legal successor/heir. The criteria of exclusion was, secondary hypertension, newly diagnosed primary hypertensive patients and complete adherence with medication. Morisky medication adherence scale was applied. Therapeutic record was accessed. The mean age was 62.15 years with 3:1 male to female ratio. Adherence to medicine was graded < 6. Patients with hypertension were 41 and with diabetes and hypertension were 59. Majority of patients were on monotherapy as compared to polytherapy (62% versus 38%).The mode of therapy was significantly different (P<0.05) in the two groups. ACE Inhibitors, Calcium Channel Blockers, Beta Blockers and other agents were used by 45.16%, 35.48%, 16.12% and 03.24% patients respectively. The aforementioned drugs were used by 57.14%, 33.33% and 09.52% respectively in 21 patients who were on anti-hypertensive and oral hypoglycemic agents. A statistical significant difference (P<0.05) was seen in the case of ACE Inhibitors. Similarly they were used by 42.10%, 39.47% and 18.42% in 38 patients respectively, who were on anti-hypertensive and insulin. No statistical significant difference (P>0.05) was seen in any combination (p>0.05). Thus it is concluded that poor adherence with ACE inhibitors may be a risk factor of CVA in diabetic patients using oral hypoglycemic agents.
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