This study aimed to clarify the effectiveness of post-operative oral care, including tooth brushing, denture cleaning and tongue cleaning, after digestive tract surgery. Subjects included 30 elderly patients aged 60-98 years (74.9 +/- 7.8 years) who underwent digestive tract surgery. Subjects were randomly divided into an intervention group and a control group. In the intervention group, the following oral care was provided daily over a 5-min period in the morning starting at baseline (day of surgery) and continued for 5 days: gargling with povidone iodine, tooth brushing, denture cleaning using a special brush and tongue cleaning using a tongue brush. In the control group, the subjects only gargled with povidone iodine. We compared the following variables between the two groups at baseline and 5 days later: the sensation of dry mouth, intra-oral gas concentration, pulmonary sounds, body temperature and bacterial flora. The number of patients with abnormal pulmonary sounds (dry or moist rales) increased from 1 to 2 in the intervention group and from 0 to 4 in the control group (P < 0.05). The average number of bacterial species per subject for the control group was 3.64 +/- 1.34 pre-operatively and 3.50 +/- 1.74 post-operatively, whereas that for the intervention group was 3.08 +/- 0.95 pre-operatively and 2.62 +/- 0.65 post-operatively. In the intervention group, there was a significant decrease in the number of bacterial species (P < 0.05). These findings indicate that post-operative oral care in elderly patients undergoing digestive tract surgery lowers the number of bacterial species found in the oral cavity. This effect, in turn, might improve respiratory function.

译文

本研究旨在阐明消化道手术后口腔护理的有效性,包括刷牙,义齿清洁和舌头清洁。受试者包括30名60-98岁 (74.9 +/- 7.8岁) 接受消化道手术的老年患者。受试者随机分为干预组和对照组。在干预组中,从基线 (手术当天) 开始,在早晨的5分钟内每天提供以下口腔护理,并持续5天: 用聚维酮碘漱口,刷牙,使用特殊刷子清洁义齿和使用舌头刷子清洁舌头。在对照组中,受试者仅用聚维酮碘漱液。我们在基线和5天后比较了两组之间的以下变量: 口干感,口内气体浓度,肺音,体温和细菌菌群。肺音异常 (干或湿啰音) 的患者数量在干预组从1增加到2,在对照组从0增加到4 (P <0.05)。对照组每个受试者的平均细菌种类数术前为3.64 +/- 1.34,术后为3.50 +/- 1.74,而干预组的平均细菌种类数术前为3.08 +/- 0.95,术后为2.62 +/- 0.65。干预组细菌种类显著减少 (P <0.05)。这些发现表明,接受消化道手术的老年患者的术后口腔护理降低了口腔中发现的细菌种类的数量。反过来,这种作用可能会改善呼吸功能。

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