Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Predictive Clinical Factors of In-hospital Mortality in 506 consecutive Very Old Female Patients with Acute Ischemic Stroke

Version 1 : Received: 30 August 2023 / Approved: 30 August 2023 / Online: 31 August 2023 (08:44:53 CEST)

How to cite: Torres-Riera, S.; Arboix, A.; Garcia-Eroles, L.; Sánchez-López, M. Predictive Clinical Factors of In-hospital Mortality in 506 consecutive Very Old Female Patients with Acute Ischemic Stroke. Preprints 2023, 2023082108. https://doi.org/10.20944/preprints202308.2108.v1 Torres-Riera, S.; Arboix, A.; Garcia-Eroles, L.; Sánchez-López, M. Predictive Clinical Factors of In-hospital Mortality in 506 consecutive Very Old Female Patients with Acute Ischemic Stroke. Preprints 2023, 2023082108. https://doi.org/10.20944/preprints202308.2108.v1

Abstract

Background: The oldest old people (≥ 85 years) represent the fastest growing age group in Western populations. Knowledge on early outcomes of acute ischemic stroke (AIS) in very old female patients remains limited. Methods: We assessed gender differences and female-specific clinical data and in-hospital mortality in very old patients with AIS. Acute cerebral infarction was diagnosed in 506 very old female patients from a total of 4,600 acute cerebrovascular infarctions available in an ongoing 24-year hospital stroke data bank. A comparative analysis of vital status at discharge (alive versus dead) was performed in terms of cardiovascular risk factors, clinical data, and early outcomes. Results: The overall in-hospital mortality rate was 20.4%. In multivariate analysis, sudden onset, altered level of consciousness, and neurological, respiratory, cardiological or hemorrhagic complications, and lacunar infarcts appeared to be independent predictors of in-hospital mortality. Conclusions: Female patients ≥85 years with AIS are an unfavorable subgroup of stroke patients with a high risk of early mortality, which may be due to comorbidity, stroke subtype distribution, and higher frequency of medical complications. However, the presence of lacunar infarcts showed a significant protective effect.

Keywords

Aged, 80 and over; ischemic stroke; cerebrovascular disorders; female; hospital mortality; patient blood management

Subject

Medicine and Pharmacology, Cardiac and Cardiovascular Systems

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