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Functional mitral regurgitation combined with increased early diastolic transmitral velocity to early mitral annulus diastolic velocity ratio is associated with a poor prognosis in patients with shock / 中华医学杂志(英文版)
Chinese Medical Journal ; (24): 2299-2305, 2021.
Article in English | WPRIM | ID: wpr-921156
ABSTRACT
BACKGROUND@#Functional mitral regurgitation (FMR) is common in critically ill patients and may cause left atrial (LA) pressure elevation. This study aims to explore the prognostic impact of synergistic LA pressure elevation and FMR in patients with shock.@*METHODS@#We retrospectively screened 130 consecutive patients of 175 patients with shock from April 2016 to June 2017. The incidence and impact of FMR and early diastolic transmitral velocity to early mitral annulus diastolic velocity ratio (E/e') ≥ 4 within 6 h of shock on the prognosis of patients were evaluated. Finally, the synergistic effect of FMR and E/e' were assessed by combination, grouping, and trend analyses.@*RESULTS@#Forty-four patients (33.8%) had FMR, and 15 patients (11.5%) had E/e' elevation. A multivariate analysis revealed FMR and E/e' as independent correlated factors for 28-day mortality (P = 0.043 and 0.028, respectively). The Kaplan-Meier survival analysis revealed a significant difference in survival between patients with and without FMR (χ2 = 7.672, P = 0.006) and between the E/e' ≥ 14 and E/e' < 14 groups (χ2 = 19.351, P < 0.010). Twenty-eight-day mortality was significantly different among the four groups (χ2 = 30.141, P < 0.010). The risk of 28-day mortality was significantly higher in group 4 (E/e' ≥ 14 with FMR) compared with groups 1 (E/e' < 14 without FMR) and 2 (E/e' < 14 with FMR) (P = 0.001 and 0.046, respectively).@*CONCLUSIONS@#Patients with shock can be identified by the presence of FMR. FMR and E/e' are independent risk factors for a poor prognosis in these patients, and prognosis is worst when FMR and E/e' ≥ 14 are present. It may be possible to improve prognosis by reducing LA pressure and E/e'.@*TRIAL REGISTRATION@#ClinicalTrials.gov, NCT03082326.
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Full text: Available Index: WPRIM (Western Pacific) Main subject: Prognosis / Shock / Retrospective Studies / Mitral Valve / Mitral Valve Insufficiency Type of study: Observational study / Prognostic study / Risk factors Limits: Humans Language: English Journal: Chinese Medical Journal Year: 2021 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Main subject: Prognosis / Shock / Retrospective Studies / Mitral Valve / Mitral Valve Insufficiency Type of study: Observational study / Prognostic study / Risk factors Limits: Humans Language: English Journal: Chinese Medical Journal Year: 2021 Type: Article