Blood pressure control in treated hypertensive Middle Eastern patients: a post hoc analysis based on JNC8 definitions
Received 27 September 2018
Accepted for publication 5 December 2018
Published 6 March 2019 Volume 2019:15 Pages 35—46
Checked for plagiarism Yes
Review by Single-blind
Peer reviewers approved by Dr Colin Mak
Peer reviewer comments 2
Editor who approved publication: Dr Harry Struijker-Boudier
Imad A Alhaddad,1 Omar Hamoui,2 Ayman Hammoudeh,3 Samir Mallat4
1Cardiovascular Department, Jordan Hospital, Amman, Jordan; 2Cardiology Department, Clemenceau Medical Center, Beirut, Lebanon; 3Cardiology Department, Istishari Hospital, Amman, Jordan; 4Department of Internal Medicine, Nephrology Division, American University of Beirut Medical Center, Beirut, Lebanon
Background: Long-term blood pressure (BP) control is challenging due to the asymptomatic nature of hypertension and poor treatment adherence among patients. We conducted a post hoc analysis to assess “target BP” attainment and maintenance and to identify their associated factors in a sample of hypertensive Middle Eastern patients.
Methods: We previously conducted an observational study between May 2011 and September 2012 to assess antihypertensive treatment adherence and its determinants in a sample of 1,470 hypertensive patients in Lebanon and Jordan. The study consisted of 3 visits: at baseline, 3 months, and 6 months, where BP control, health-related quality of life, and treatment adherence were assessed. This post hoc analysis of data from the ADHERENCE study examined BP control in terms of target attainment at 3 months and 6 months, and target maintenance at 6 months in treatment-eligible patients as well as the determinants of BP control including the impact of the new JNC8 (Eighth Report of the Joint National Committee on Prevention, Detection, Evaluation, and Treatment of High Blood Pressure) guideline on treatment eligibility and target BP attainment in these patients.
Results: Based on JNC8 definitions, our results revealed that 81.2% of patients achieved BP control at 6 months. At 3 months, 62.2% achieved BP control; of those, only 57.5% maintained BP control till 6 months. Factors associated with higher BP target attainment at 3 months were higher educational level, new hypertension diagnosis, older age, and lower waist circumference, systolic BP, and diastolic BP at baseline. Factors associated with higher BP target attainment at 6 months were Lebanese nationality, new hypertension diagnosis, absence of chronic kidney disease, lower systolic BP at baseline, reaching BP target at 3 months, and having a BP target of <150/90 mmHg.
Conclusion: Older age, higher education levels, recent hypertension diagnosis, early achievement of target BP, and having milder disease at baseline were associated with better BP control. Moreover, JNC8 guideline reduced the number of treatment-eligible patients and increased BP target attainment.
Keywords: blood pressure control, JNC8 guidelines, JNC7 guidelines, adherence, Lebanon, Jordan, hypertension
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