Impact of renin–angiotensin–aldosterone system inhibition on mortality in critically ill COVID-19 patients with pre-existing hypertension: a prospective cohort study

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dc.contributor.authorSato, Kei
dc.contributor.authorWhite, Nicole
dc.contributor.authorFanning, Jonathon P.
dc.contributor.authorObonyo, Nchafatso
dc.contributor.authorYamashita, Michael H.
dc.contributor.authorAppadurai, Vinesh
dc.contributor.authorCiullo, Anna
dc.contributor.authorMay, Meryta
dc.contributor.authorWorku, Elliott T.
dc.contributor.authorHelms, Leticia
dc.contributor.authorOhshimo, Shinichiro
dc.contributor.authorJuzar, Dafsah A.
dc.contributor.authorSuen, Jacky Y.
dc.contributor.authorBassi, Gianluigi L.
dc.contributor.authorFraser, John F.
dc.contributor.authorArora, Rakesh C.
dc.date.accessioned2022-04-01T09:12:10Z
dc.date.issued2022-03-23
dc.date.updated2022-04-01T09:12:10Z
dc.description.abstractAbstract Background The influence of renin–angiotensin–aldosterone system (RAAS) inhibitors on the critically ill COVID-19 patients with pre-existing hypertension remains uncertain. This study examined the impact of previous use of angiotensin-converting enzyme inhibitors (ACEi) and angiotensin receptor blockers (ARB) on the critically ill COVID-19 patients. Methods Data from an international, prospective, observational cohort study involving 354 hospitals spanning 54 countries were included. A cohort of 737 COVID-19 patients with pre-existing hypertension admitted to intensive care units (ICUs) in 2020 were targeted. Multi-state survival analysis was performed to evaluate in-hospital mortality and hospital length of stay up to 90 days following ICU admission. Results A total of 737 patients were included—538 (73%) with pre-existing hypertension had received ACEi/ARBs before ICU admission, while 199 (27%) had not. Cox proportional hazards model showed that previous ACEi/ARB use was associated with a decreased hazard of in-hospital death (HR, 0.74, 95% CI 0.58–0.94). Sensitivity analysis adjusted for propensity scores showed similar results for hazards of death. The average length of hospital stay was longer in ACEi/ARB group with 21.2 days (95% CI 19.7–22.8 days) in ICU and 6.7 days (5.9–7.6 days) in general ward compared to non-ACEi/ARB group with 16.2 days (14.1–18.6 days) and 6.4 days (5.1–7.9 days), respectively. When analysed separately, results for ACEi or ARB patient groups were similar for both death and discharge. Conclusions In critically ill COVID-19 patients with comorbid hypertension, use of ACEi/ARBs prior to ICU admission was associated with a reduced risk of in-hospital mortality following adjustment for baseline characteristics although patients with ACEi/ARB showed longer length of hospital stay. Clinical trial registration The registration number: ACTRN12620000421932; The date of registration: 30, March 2020; The URL of the registration: https://www.australianclinicaltrials.gov.au/anzctr/trial/ACTRN12620000421932 .
dc.identifier.citationBMC Cardiovascular Disorders. 2022 Mar 23;22(1):123
dc.identifier.urihttps://doi.org/10.1186/s12872-022-02565-1
dc.identifier.urihttp://hdl.handle.net/1993/36384
dc.language.rfc3066en
dc.rightsopen accessen_US
dc.rights.holderThe Author(s)
dc.titleImpact of renin–angiotensin–aldosterone system inhibition on mortality in critically ill COVID-19 patients with pre-existing hypertension: a prospective cohort study
dc.typeJournal Article
local.author.affiliationRady Faculty of Health Sciencesen_US
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