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  • Title: Aspiration pneumonia: dental and oral risk factors in an older veteran population.
    Author: Terpenning MS, Taylor GW, Lopatin DE, Kerr CK, Dominguez BL, Loesche WJ.
    Journal: J Am Geriatr Soc; 2001 May; 49(5):557-63. PubMed ID: 11380747.
    Abstract:
    OBJECTIVES: To investigate the importance of medical and dental factors in aspiration pneumonia in an older veteran population. DESIGN: Prospective enrollment of subjects with retrospective analysis of data. SETTING: Department of Veterans Affairs outpatient clinic, inpatient ward, and nursing home. PARTICIPANTS: 358 veterans age 55 and older; 50 subjects with aspiration pneumonia. MEASUREMENTS: Demographic and medical data; functional status; health-related behaviors; dental care utilization; personal oral hygiene; comprehensive dental examination; salivary assays including IgA antibodies; and cultures of saliva, throat, and dental plaques. RESULTS: Two logistic regression models produced estimates of significant risk factors. One model using dentate patients included: requiring help with feeding (odds ratio (OR) = 13.9), chronic obstructive pulmonary disease (COPD) (OR = 4.7), diabetes mellitus (OR = 3.5), number of decayed teeth (OR = 1.2), number of functional dental units (OR = 1.2), presence of important organisms for decay, Streptococcus sobrinus in saliva (OR = 6.2), and periodontal disease, Porphyromonous gingivalis in dental plaque (OR = 4.2), and Staphylococcus aureus presence in saliva (OR = 7.4). The second model, containing both dentate and edentulous patients included: requiring help with feeding (OR = 4.7), COPD (OR = 2.5), diabetes mellitus (OR = 1.7), and presence of S. aureus in saliva (OR = 8.3). CONCLUSION: This study supports the significance of oral and dental factors while controlling for established medical risk factors in aspiration pneumonia incidence.
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