Article ; Online: Seasonal variation in blood pressure control across US health systems.
2023 Volume 41, Issue 5, Page(s) 751–758
Abstract: Objective: We aimed to characterize seasonal variation in US population-based blood pressure (BP) control and BP-related metrics and evaluate the association between outdoor temperature and BP control variation.: Methods: We queried electronic health ...
| Abstract | Objective: We aimed to characterize seasonal variation in US population-based blood pressure (BP) control and BP-related metrics and evaluate the association between outdoor temperature and BP control variation. Methods: We queried electronic health records (EHRs) from 26 health systems, representing 21 states, to summarize BP metrics by quarters of 12-month periods from January 2017 to March 2020. Patients with at least one ambulatory visit during the measurement period and a hypertension diagnosis during the first 6 months or prior to the measurement period were included. Changes in BP control, BP improvement, medication intensification, average SBP reduction after medication intensification across quarters and association with outdoor temperature were analyzed using weighted generalized linear models with repeated measures. Results: Among 1 818 041 people with hypertension, the majority were more than 65 years of age (52.2%), female (52.1%), white non-Hispanic (69.8%) and had stage 1/2 hypertension (64.8%). Overall, BP control and process metrics were highest in quarters 2 and 3, and lowest in quarters 1 and 4. Quarter 2 had the highest percentage of improved BP (31.95 ± 0.90%) and average SBP reduction after medication intensification (16 ± 0.23 mmHg). Quarter 3 had the highest percentage of BP controlled (62.25 ± 2.55%) and lowest with medication intensification (9.73 ± 0.60%). Results were largely consistent in adjusted models. Average temperature was associated with BP control metrics in unadjusted models, but associations were attenuated following adjustment. Conclusion: In this large, national, EHR-based study, BP control and BP-related process metrics improved during spring/summer months, but outdoor temperature was not associated with performance following adjustment for potential confounders. |
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| MeSH term(s) | Humans ; Female ; Blood Pressure/physiology ; Seasons ; Hypertension/diagnosis ; Hypertension/drug therapy ; Hypertension/epidemiology ; Temperature | ||||||||||
| Language | English | ||||||||||
| Publishing date | 2023-03-03 | ||||||||||
| Publishing country | Netherlands | ||||||||||
| Document type | Journal Article ; Research Support, N.I.H., Extramural ; Research Support, Non-U.S. Gov't | ||||||||||
| ZDB-ID | 605532-1 | ||||||||||
| ISSN | 1473-5598 ; 0263-6352 ; 0952-1178 | ||||||||||
| ISSN (online) | 1473-5598 | ||||||||||
| ISSN | 0263-6352 ; 0952-1178 | ||||||||||
| DOI | 10.1097/HJH.0000000000003396 | ||||||||||
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| Database | MEDical Literature Analysis and Retrieval System OnLINE |
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