Effect of oral hygiene programmes on oral opportunistic pathogens during stroke rehabilitation

Abstract

Objectives

This study was to assess the effectiveness of a conventional oral hygiene care programme (COHCP) and an advanced oral hygiene care programme (AOHCP) on prevalence and viable counts of oral opportunistic pathogens among patients undergoing stroke rehabilitation.

Methods

A total of 94 patients were randomized to two groups. Subjects were block randomized to: either (1) COHCP: manual toothbrushing with oral hygiene instruction (OHI); or (2) AOHCP: powered toothbrushing, mouthrinsing with chlorhexidine and OHI. Prevalence and viable counts of oral opportunistic pathogens including yeasts, aerobic and facultative anaerobic gram‐negative bacilli, Staphylococcus aureus, were assessed at baseline, the end of three months, and six months.

Results

No significant difference was observed in the prevalence of oral opportunistic pathogens within each group over the clinical trial period. A significant decrease in the viable counts of S. aureus was found over the clinical trial period within AOHCP group (p<0.05), while the viable counts of yeasts and AGNB remained stable within each group. Regression analysis failed to detect an association between intervention and the prevalence/viable counts of oral opportunistic pathogens.

Conclusions

Neither oral health care programme significantly affect AGNB, yeast or S. aureus over the study period in terms of prevalence and viable counts.

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