Trends in blood pressure diagnosis, treatment, and control among VA nursing home residents, 2007-2018.

Odden MC, Li Y, Graham LA, Steinman MA, Marcum ZA, Liu CK, Jing B, Fung KZ, Peralta CA, Lee SJ. Trends in blood pressure diagnosis, treatment, and control among VA nursing home residents, 2007-2018. Journal of the American Geriatrics Society. 2022 Aug 1; 70(8):2280-2290.

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Abstract:

BACKGROUND: Inadequate treatment of high blood pressure (BP) can lead to preventable adverse events in nursing home residents, while excessive treatment can lead to associated harms. METHODS: Data were extracted from the VA electronic health record and Bar Code Medication Administration system on 40,079 long-term care residents aged 65 years from October 2006 through September 2018 (FY2007-2018). Hypertension prevalence at admission was identified by ICD code(s) in the year prior, and antihypertensive medication use was defined as administration 50% of days. BP measures were averaged over 2-year epochs. RESULTS: The age-standardized prevalence of hypertension diagnosis at admission increased from 75.2% in FY2007-2008 to 85.1% in FY2017-2018 (p-value for trend < 0.001). Rates of BP treatment and control among residents with hypertension at admission declined slightly over time (p-values for trend < 0.001) but remained high (80.3% treated in FY2017-2018, 80.1% with average BP < 140/90 mmHg). The age-adjusted prevalence of chronic low BP (average < 90/60 mmHg) also declined from 11.1% in FY2007-2008 to 4.7% in FY2017-2018 (p-value for trend < 0.001). Persons identified as Black race or Hispanic ethnicity and those with a history of diabetes, stroke, and renal disease were less likely to have an average BP < 140/90 mmHg. CONCLUSIONS: Hypertension is well controlled in VA nursing homes, and recent trends of less intensive BP control were accompanied by a lower prevalence of chronic low BP. Nonetheless, some high-risk populations have average BP levels > 140/90 mmHg. Future research is needed to better understand the benefits and harms of BP control in nursing home residents.