Effects of different endotracheal tube cuff management on sore throat, hoarseness, and cough after short-term gynecological laparoscopic surgery

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Sore throat, hoarseness and cough are common airway complications after extubation. In this study, we compared the effects of three different management for endotracheal tube cuff on postprocedural airway complications. 180 patients undergoing short-term gynecological laparoscopic surgery were randomly divided into three groups (n = 60, per group): digital palpation method group (group A), minimal occlusive volume method group (group B) and pressure control method group (group C). The primary objective was incidence and severity of POST. Secondary outcomes was incidence and severity of postoperative hoarseness, cough. We hypothesize that measuring and controlling ETTc may reduce the incidence of postoperative pharyngeal complications in those patients. The incidence and severity of sore throat, hoarseness, and cough were measured at 1, 6, and 24 h after tracheal extubation. The incidence and severity of sore throat in group B and C were significantly lower than those in group A at 1 h and 6 h after extubation (47.4% vs. 25.5% vs.17.5%, P = 0.016, 0.003; 54.2% vs. 29.1% vs.19.6%, P = 0.003, 0.000; severity scores: P = 0.01, 0.003; P < 0.01, = 0.000), but no significant differences between the three groups were seen at 24 h after surgery. The incidence of and severity of sore throat was similar between the group B and group C. There were no significant differences in the incidence and severity of hoarseness and cough at 1, 6 and 24 h after extubation among the three groups (P > 0.05). The severity of tracheal mucous injury in group A was more severe than the group B and group C (P = 0.013, < 0.001). Both the manometry method and the minimal occlusive volume method may reduce the incidence and severity of sore throat in the short term after extubation in short-term laparoscopic gynecologic surgery.

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