Effect of Oral Hygiene Care on Prevention of Aspiration Pneumonia Among Hospitalized Stroke Patients

Aspiration Pneumonia, Stroke

Oral hygiene, Aspiration pneumonia prevention, Stroke patients, Dysphagia, Hospital-acquired pneumonia

Aspiration pneumonia is a common and serious complication among hospitalized patients with stroke. Poor oral hygiene can increase the risk of aspiration pneumonia by promoting bacterial colonization of the oral cavity. This study evaluated whether implementing a structured oral hygiene care protocol during hospitalization could reduce the incidence of aspiration pneumonia among stroke patients. In this non-randomized, quasi-experimental study, patients admitted after implementation of an oral hygiene care protocol received structured oral care delivered by trained nursing staff, while patients admitted prior to implementation served as historical controls and received standard care. The primary outcome was the occurrence of aspiration pneumonia during hospitalization. The findings of this study aim to inform simple, low-cost preventive strategies that may improve clinical outcomes for hospitalized stroke patients, particularly in resource-limited settings.

This study is a quasi-experimental, non-randomized interventional study with parallel assignment using historical controls, conducted among hospitalized adult stroke patients at a tertiary care hospital. The study evaluated the effect of implementing a structured oral hygiene care protocol on the incidence of aspiration pneumonia during hospitalization. Patients admitted prior to implementation of the oral hygiene care protocol constituted the historical control group and received standard oral care practices. Patients admitted after implementation received a structured oral hygiene care bundle delivered by trained nursing staff as part of routine inpatient care. The oral hygiene intervention included regular oral cavity cleaning and toothbrushing according to a predefined protocol. The primary outcome was aspiration pneumonia diagnosed during hospitalization based on clinical features and radiologic findings. Secondary outcomes included in-hospital clinical outcomes as defined in the study protocol. Ethical approval was obtained from the Institutional Review Board of Tikur Anbessa Specialized Hospital, and informed consent was obtained from participants or their legal representatives, with appropriate waivers applied for retrospective data where applicable. This study was designed to assess the feasibility and effectiveness of a low-cost, preventive intervention that may reduce aspiration-related complications among stroke patients, particularly in resource-constrained healthcare settings.

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Ethiopia