Cargando…
Evaluation of Optimal Diastolic Blood Pressure Range Among Adults With Treated Systolic Blood Pressure Less Than 130 mm Hg
IMPORTANCE: Extremely low diastolic blood pressure has been reported to be associated with increased adverse cardiovascular events (ie, the diastolic J-shape phenomenon); however, current US guidelines recommend an intensive blood pressure target of less than 130/80 mm Hg without mentioning the lowe...
Autores principales: | , , , , , , , , , |
---|---|
Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
American Medical Association
2021
|
Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7890449/ https://www.ncbi.nlm.nih.gov/pubmed/33595663 http://dx.doi.org/10.1001/jamanetworkopen.2020.37554 |
_version_ | 1783652516342267904 |
---|---|
author | Li, Jingen Somers, Virend K. Gao, Xiang Chen, Zhuo Ju, Jianqing Lin, Qian Mohamed, Essa A. Karim, Shahid Xu, Hao Zhang, Lijing |
author_facet | Li, Jingen Somers, Virend K. Gao, Xiang Chen, Zhuo Ju, Jianqing Lin, Qian Mohamed, Essa A. Karim, Shahid Xu, Hao Zhang, Lijing |
author_sort | Li, Jingen |
collection | PubMed |
description | IMPORTANCE: Extremely low diastolic blood pressure has been reported to be associated with increased adverse cardiovascular events (ie, the diastolic J-shape phenomenon); however, current US guidelines recommend an intensive blood pressure target of less than 130/80 mm Hg without mentioning the lower limits of diastolic blood pressure. OBJECTIVES: To evaluate whether there is a diastolic J-shape phenomenon for patients with an treated systolic blood pressure of less than 130 mm Hg and to explore the safe and optimal diastolic blood pressure ranges for this patient population. DESIGN, SETTING, AND PARTICIPANTS: This cohort study analyzed outcome data of patients at high cardiovascular risk who were randomized to intensive or standard blood pressure control and achieved treated systolic blood pressure of less than 130 mm Hg in the Systolic Blood Pressure Intervention Trial (SPRINT) and Action to Control Cardiovascular Risk in Diabetes–Blood Pressure (ACCORD-BP) trial. Data were collected from October 2010 to August 2015 (SPRINT) and from September 1999 to June 2009 (ACCORD-BP). Data were analyzed from January to May 2020. EXPOSURE: Treated diastolic blood pressure, divided in intervals of less than 60, 60 to less than 70, 70 to less than 80, and 80 mm Hg and greater. MAIN OUTCOMES AND MEASURES: The primary outcome was a composite of all-cause death, nonfatal myocardial infarction, and nonfatal stroke. A composite cardiovascular outcome, including cardiovascular death, nonfatal myocardial infarction, and nonfatal stroke, was among the key secondary outcomes. RESULTS: A total of 7515 patients (mean [SD] age, 65.6 [8.7] years; 4553 [60.6%] men) were included in this analysis. The nominally lowest risk was observed at a diastolic blood pressure between 70 and 80 mm Hg for the primary outcome, the composite cardiovascular outcome, nonfatal myocardial infarction, and cardiovascular death. A mean diastolic blood pressure of less than 60 mm Hg was associated with significantly increased risk of the primary outcome (hazard ratio [HR], 1.46; 95% CI, 1.13-1.90; P = .004), the composite cardiovascular outcome (HR, 1.74; 95% CI, 1.26-2.41; P = .001), nonfatal myocardial infarction (HR, 1.73; 95% CI, 1.15-2.59; P = .008), and nonfatal stroke (HR, 2.67; 95% CI, 1.26-5.63; P = .01). CONCLUSIONS AND RELEVANCE: This cohort study found that lowering diastolic blood pressure to less than 60 mm Hg was associated with increased risk of cardiovascular events in patients with high cardiovascular risk and an treated systolic blood pressure less than 130 mm Hg. The finding that a diastolic blood pressure value between 70 and 80 mm Hg was an optimum target for this patient population merits further study. |
format | Online Article Text |
id | pubmed-7890449 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2021 |
publisher | American Medical Association |
record_format | MEDLINE/PubMed |
spelling | pubmed-78904492021-03-03 Evaluation of Optimal Diastolic Blood Pressure Range Among Adults With Treated Systolic Blood Pressure Less Than 130 mm Hg Li, Jingen Somers, Virend K. Gao, Xiang Chen, Zhuo Ju, Jianqing Lin, Qian Mohamed, Essa A. Karim, Shahid Xu, Hao Zhang, Lijing JAMA Netw Open Original Investigation IMPORTANCE: Extremely low diastolic blood pressure has been reported to be associated with increased adverse cardiovascular events (ie, the diastolic J-shape phenomenon); however, current US guidelines recommend an intensive blood pressure target of less than 130/80 mm Hg without mentioning the lower limits of diastolic blood pressure. OBJECTIVES: To evaluate whether there is a diastolic J-shape phenomenon for patients with an treated systolic blood pressure of less than 130 mm Hg and to explore the safe and optimal diastolic blood pressure ranges for this patient population. DESIGN, SETTING, AND PARTICIPANTS: This cohort study analyzed outcome data of patients at high cardiovascular risk who were randomized to intensive or standard blood pressure control and achieved treated systolic blood pressure of less than 130 mm Hg in the Systolic Blood Pressure Intervention Trial (SPRINT) and Action to Control Cardiovascular Risk in Diabetes–Blood Pressure (ACCORD-BP) trial. Data were collected from October 2010 to August 2015 (SPRINT) and from September 1999 to June 2009 (ACCORD-BP). Data were analyzed from January to May 2020. EXPOSURE: Treated diastolic blood pressure, divided in intervals of less than 60, 60 to less than 70, 70 to less than 80, and 80 mm Hg and greater. MAIN OUTCOMES AND MEASURES: The primary outcome was a composite of all-cause death, nonfatal myocardial infarction, and nonfatal stroke. A composite cardiovascular outcome, including cardiovascular death, nonfatal myocardial infarction, and nonfatal stroke, was among the key secondary outcomes. RESULTS: A total of 7515 patients (mean [SD] age, 65.6 [8.7] years; 4553 [60.6%] men) were included in this analysis. The nominally lowest risk was observed at a diastolic blood pressure between 70 and 80 mm Hg for the primary outcome, the composite cardiovascular outcome, nonfatal myocardial infarction, and cardiovascular death. A mean diastolic blood pressure of less than 60 mm Hg was associated with significantly increased risk of the primary outcome (hazard ratio [HR], 1.46; 95% CI, 1.13-1.90; P = .004), the composite cardiovascular outcome (HR, 1.74; 95% CI, 1.26-2.41; P = .001), nonfatal myocardial infarction (HR, 1.73; 95% CI, 1.15-2.59; P = .008), and nonfatal stroke (HR, 2.67; 95% CI, 1.26-5.63; P = .01). CONCLUSIONS AND RELEVANCE: This cohort study found that lowering diastolic blood pressure to less than 60 mm Hg was associated with increased risk of cardiovascular events in patients with high cardiovascular risk and an treated systolic blood pressure less than 130 mm Hg. The finding that a diastolic blood pressure value between 70 and 80 mm Hg was an optimum target for this patient population merits further study. American Medical Association 2021-02-17 /pmc/articles/PMC7890449/ /pubmed/33595663 http://dx.doi.org/10.1001/jamanetworkopen.2020.37554 Text en Copyright 2021 Li J et al. JAMA Network Open. http://creativecommons.org/licenses/by/4.0/ This is an open access article distributed under the terms of the CC-BY License. |
spellingShingle | Original Investigation Li, Jingen Somers, Virend K. Gao, Xiang Chen, Zhuo Ju, Jianqing Lin, Qian Mohamed, Essa A. Karim, Shahid Xu, Hao Zhang, Lijing Evaluation of Optimal Diastolic Blood Pressure Range Among Adults With Treated Systolic Blood Pressure Less Than 130 mm Hg |
title | Evaluation of Optimal Diastolic Blood Pressure Range Among Adults With Treated Systolic Blood Pressure Less Than 130 mm Hg |
title_full | Evaluation of Optimal Diastolic Blood Pressure Range Among Adults With Treated Systolic Blood Pressure Less Than 130 mm Hg |
title_fullStr | Evaluation of Optimal Diastolic Blood Pressure Range Among Adults With Treated Systolic Blood Pressure Less Than 130 mm Hg |
title_full_unstemmed | Evaluation of Optimal Diastolic Blood Pressure Range Among Adults With Treated Systolic Blood Pressure Less Than 130 mm Hg |
title_short | Evaluation of Optimal Diastolic Blood Pressure Range Among Adults With Treated Systolic Blood Pressure Less Than 130 mm Hg |
title_sort | evaluation of optimal diastolic blood pressure range among adults with treated systolic blood pressure less than 130 mm hg |
topic | Original Investigation |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7890449/ https://www.ncbi.nlm.nih.gov/pubmed/33595663 http://dx.doi.org/10.1001/jamanetworkopen.2020.37554 |
work_keys_str_mv | AT lijingen evaluationofoptimaldiastolicbloodpressurerangeamongadultswithtreatedsystolicbloodpressurelessthan130mmhg AT somersvirendk evaluationofoptimaldiastolicbloodpressurerangeamongadultswithtreatedsystolicbloodpressurelessthan130mmhg AT gaoxiang evaluationofoptimaldiastolicbloodpressurerangeamongadultswithtreatedsystolicbloodpressurelessthan130mmhg AT chenzhuo evaluationofoptimaldiastolicbloodpressurerangeamongadultswithtreatedsystolicbloodpressurelessthan130mmhg AT jujianqing evaluationofoptimaldiastolicbloodpressurerangeamongadultswithtreatedsystolicbloodpressurelessthan130mmhg AT linqian evaluationofoptimaldiastolicbloodpressurerangeamongadultswithtreatedsystolicbloodpressurelessthan130mmhg AT mohamedessaa evaluationofoptimaldiastolicbloodpressurerangeamongadultswithtreatedsystolicbloodpressurelessthan130mmhg AT karimshahid evaluationofoptimaldiastolicbloodpressurerangeamongadultswithtreatedsystolicbloodpressurelessthan130mmhg AT xuhao evaluationofoptimaldiastolicbloodpressurerangeamongadultswithtreatedsystolicbloodpressurelessthan130mmhg AT zhanglijing evaluationofoptimaldiastolicbloodpressurerangeamongadultswithtreatedsystolicbloodpressurelessthan130mmhg |