Patient knowledge of blood pressure target is associated with improved blood pressure control in chronic kidney disease
- PMID: 22459637
- PMCID: PMC3404190
- DOI: 10.1016/j.pec.2012.02.015
Patient knowledge of blood pressure target is associated with improved blood pressure control in chronic kidney disease
Abstract
Objective: To describe patient hypertension knowledge and associations with blood pressure measurements.
Methods: Patients with chronic kidney disease (CKD) were asked about the impact of high blood pressure on kidneys and their target blood pressure goal. Systolic blood pressure was measured using automated sphygmomanometers.
Results: In 338 adults with hypertension and pre-dialysis CKD, the median [IQR] age was 59 [47,68] years, 45% [n = 152] were women, and 18% [n = 62] were non-white. Lower systolic blood pressure (SBP) was associated with female sex (SBP mmHg median [IQR] 132 [117,149] women vs. 137 [124,152] men; p = 0.04), less advanced CKD (SBP 134 [122,147] stages 1-2 vs. 132 [118,148] stage 3 vs. 140 [125,156] stages 4-5; p = 0.01), and patient ability to correctly identify SBP goal (SBP 134 [119,150] correct vs. 141 [125,154] incorrect; p = 0.05). In adjusted analysis, knowledge of blood pressure goal remained independently associated with lower SBP (-9.96 mmHg [-19.97, -1.95] in correct respondents vs. incorrect; p<0.001).
Conclusion: Patient knowledge of goal blood pressure is independently associated with improved blood pressure control.
Practice implications: Interventions to improve patient knowledge of specific blood pressure targets may have an important role in optimizing blood pressure management.
Copyright © 2012 Elsevier Ireland Ltd. All rights reserved.
Conflict of interest statement
Conflicts of Interest: The authors have no conflicts of interest to disclose.
Comment in
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Patient knowledge of their own illness: how much does it matter and how may we adapt our information to what the patient knows?Patient Educ Couns. 2012 Aug;88(2):157-8. doi: 10.1016/j.pec.2012.07.003. Patient Educ Couns. 2012. PMID: 22846465 No abstract available.
References
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- U.S. Renal Data System. USRDS 2010 Annual Data Report: Atlas of Chronic Kidney Disease and End Stage Renal Disease in the United States. National Institutes of Health, National Institute of Diabetes and Digestive and Kidney Diseases; Bethesda, MD: 2010.
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- Peralta CA, Hicks LS, Chertow GM, et al. Control of hypertension in adults with chronic kidney disease in the United States. Hypertension. 2005;45:1119–1124. - PubMed
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