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Evidence is lacking on the preventive effect of oral care on healthcare-associated pneumonia in hospitalized patients and nursing home residents who are not mechanically ventilated. The primary aim of this review was to assess the effectiveness of oral care on the incidence of pneumonia in nonventilated patients.
We searched 8 databases (MEDLINE, Embase, CENTRAL, CINAHL, Web of Science, LILACS, ICHUSHI, and CiNii), in addition to trial registries and a manual search. Eligible studies were published and unpublished randomized controlled trials examining the effect of any method of oral care on reported incidence of pneumonia and/or fatal pneumonia. Relative risks (RR) and 95% confidence intervals were calculated. Risk of bias was assessed for eligible studies.
We identified 5 studies consisting of 1,009 subjects that met the inclusion criteria. Of these, 2 trials assessed the effect of chlorhexidine in hospitalized patients; 3 studies examined mechanical oral cleaning in nursing home residents. A meta-analysis could only be done on 4 trials; this analysis showed a significant risk reduction in pneumonia through oral care interventions (RRfixed, 0.61; 95% CI, 0.40–0.91; P=.02). The effects of mechanical oral care alone were significant when pooled across studies. (RRfixed, 0.61; 95% CI, 0.40–0.92; P=.02). Risk reduction for fatal pneumonia from mechanical oral cleaning was also significant (RRfixed, 0.41; 95% CI, 0.23–0.71; P=.002). Most studies had a high risk of bias.
This analysis suggests a preventive effect of oral care on pneumonia in nonventilated individuals. This effect, however, should be interpreted with caution due to risk of bias in the included trials.
To determine the prospective relationship between changes in sugar-sweetened beverage (SSB) intake and central adiposity in older children.
Dietary intakes of children were obtained by 3 d food records at ages 10 and 13 years. Waist circumference (WC) and weight and height to determine BMI were measured at 10 and 13 years and total body fat mass (TBFM) at 13 years by dual-energy X-ray absorptiometry. Analyses were conducted using multivariable linear regression. Reporting errors were measured and participants were categorized as under-, plausible and over-reporters of dietary intakes.
Community-based British cohort of children participating in the Avon Longitudinal Study of Parents and Children.
Among 2455 older children, increased SSB consumption from ages 10 to 13 years was associated with higher WC (standardized β=0·020, P=0·19), BMI (β=0·028, P=0·03) and TBFM (β=0·017, P=0·20) at 13 years. Effects were strengthened among plausible dietary reporters (n 1059): WC (β=0·097, P<0·001), BMI (β=0·074, P<0·001) and TBFM (β=0·065, P=0·003). The association between change in SSB and WC was weakened, but remained statistically significant after accounting for BMI (β=0·042, P=0·02) and TBFM (β=0·048, P=0·01).
Higher consumption of SSB from ages 10 to 13 years was associated with a larger WC at age 13 years independent of differences in total adiposity. Accounting for dietary reporting errors strengthened associations. Our findings further support recommendations to limit intakes of SSB to reduce excess weight gain in children and suggest that SSB have an additional deleterious effect on central adiposity.
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