Key result
Nifedipine use (AOR 2.79; 95% CI 1.12-6.9) and awareness of ideal blood pressure targets (AOR 4.57; 95% CI 1.25-16.7) were independent predictors of adequate blood pressure control.
Why the study?
Tight blood pressure control retards end-stage renal disease in hypertensive diabetic patients with chronic kidney disease, but literature on control in resource-limited settings is limited.
What is the rate of adequate blood pressure control and its predictors among adult hypertensive diabetic patients with chronic kidney disease?
Cross-Sectional (n=237)
No
What is the rate of adequate blood pressure control and its predictors among adult hypertensive diabetic patients with chronic kidney disease?
Odds Ratio: 2.79 (95% CI 1.12–6.9)
p-value: p=0.028
Adequate blood pressure control is low (30.8%) among hypertensive diabetic patients with CKD in this setting, highlighting the need for improved patient awareness and appropriate antihypertensive therapy.
May help identify patients likely to achieve BP control; leaves open causal effects pending prospective studies.
Background: Tight blood pressure control retards the development of end-stage renal disease in hypertensive diabetic patients with chronic kidney disease. There is limited literature on blood pressure control among this patient population in a resource-limited setting.Research design and methods: A tertiary hospital-based cross-sectional study with 237 hypertensive diabetic patients with chronic kidney disease was conducted. A pre-tested questionnaire was used to assess patients’ awareness of their ideal blood pressure. Data on blood pressure readings and antihypertensive therapies were abstracted into predesigned data collection forms and analyzed using STATA software version 13.0.Results: The participants’ mean age was 61.8 ± 12.7 years and 106 (44.7%) patients were aware of the blood pressure targets. Adequate blood pressure control was found in 30.8%. Most (58.7%) were using ≥ 3 antihypertensive drug classes. Calcium channel blockers (51.1%), with principally amlodipine (26.2%) and nifedipine (24.1%), were the most preferred agents. Bivariate analysis showed enalapril (p = 0.009) and nifedipine (p = 0.022) being associated with adequate blood pressure control. However, nifedipine (AOR 2.79; 95% CI: 1.12–6.9, p = 0.028) and awareness of ideal blood pressure targets (AOR 4.57; 95% CI: 1.25–16.7, p = 0.022) were independent predictors of good control.Conclusion: Adequacy of blood pressure among hypertensive diabetic patients with chronic kidney disease is low and may be attributable to unawareness of its target level and using inappropriate therapy. Future studies should correlate level of blood pressure control with patient-, clinician-, and hospital-related factors.
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Mwengi et al. (2019) conducted a cross-sectional in Hypertensive diabetic patients with chronic kidney disease (n=237). Nifedipine use vs. Non-use of nifedipine was evaluated on Adequate blood pressure control (AOR 2.79, 95% CI 1.12-6.9, p=0.028). Nifedipine use (AOR 2.79; 95% CI 1.12-6.9) and awareness of ideal blood pressure targets (AOR 4.57; 95% CI 1.25-16.7) were independent predictors of adequate blood pressure control.
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