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首页> 外文期刊>Auris, nasus, larynx >Acoustic parameters of snoring sound to assess the effectiveness of the Muller Manoeuvre in predicting surgical outcome.
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Acoustic parameters of snoring sound to assess the effectiveness of the Muller Manoeuvre in predicting surgical outcome.

机译：打声的声学参数，用于评估穆勒操纵在预测手术结果中的有效性。

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OBJECTIVE: To assess the effectiveness of the Muller Manoeuvre in predicting surgical outcome in non-apnoeic snorers. METHODS: Forty-one non-apnoeic snorers performed the Muller Manoeuvre, prior to palatal surgery for snoring. Pre-operatively and between 1.0 and 4.1 months (mean 2.5 months) post-operatively, patients were admitted overnight when their sleeping position and snoring sounds were recorded. At the time of the post-operative recordings, patients were required to complete a specifically designed questionnaire. Snore files comprising the inspiratory component of the first 100 snores whilst the patient was supine, were extracted. Snore duration (s), snore loudness (dBA), snore periodicity (%) and the energy ratios for the frequency bands 0-200, 0-250 and 0-400 Hz were calculated. Only patients who showed improvements in snore periodicity and all energy ratios were considered to be surgical successes. In addition, patients were also categorised as 'successes' or 'failures' depending on their responses to specific questionnaire questions. The effectiveness of the Muller Manoeuvre in predicting surgical outcome was then tested using these categories. RESULTS: The 41 patients included 35 men and 6 women. Mean age: 47 years (24-67 years). Mean PNIFR 145 (80-230). Median reported alcohol intake was 11-15 units/week (0 to 26-30 units/week). Mean BMI: 30.6 kg/m2 (24.3-47.2 kg/m2). Twenty-four patients underwent an uvulopalatal elevation palatoplasty and seventeen a traditional palatoplasty. Following the Muller Manoeuvre, patients were categorised as 'ideal', 'suboptimal, but acceptable' or 'unsuitable' for surgery. Using the acoustic parameters, 23/41 patients were considered a surgical success, whilst 18/41 were considered failures. Using the questionnaire responses, 14/40 patients were considered a surgical success, whilst 26/40 were considered failures. There was no correlation between the subjective and objective outcomes (rho=0.193; p=0.227). Neither pre-operative BMI, type of palatoplasty performed, patient gender, age, PNIFR or reported alcohol intake were confounders of surgical outcome. For patients considered 'ideal' and 'suboptimal, but acceptable', using acoustic outcomes, the Muller Manoeuvre had a specificity of 55.5% and a sensitivity of 30.4%, compared with a sensitivity of 57.7% and a specificity of 28.6% when questionnaire responses were used. If only patients considered 'ideal' were considered, the specificity was 66.7%, and the sensitivity 21.7% when using acoustic outcomes, compared with a sensitivity of 69.2% and a specificity of 78.6% when questionnaire responses were used. CONCLUSION: The Muller Manoeuvre appears to have no role in the pre-operative assessment of palatal surgery for non-apnoeic snorers.
机译：目的：评估穆勒手法在预测非呼吸性打者手术效果方面的有效性。方法：在pa手术进行打nor之前，有41名非呼吸性打者进行了Muller Manoeuvre。术前和术后1.0个月至4.1个月（平均2.5个月）之间，患者入睡时会记录其睡眠姿势和打呼sound声。术后记录时，要求患者填写专门设计的问卷。病人仰卧时，抽取出包括前100次打的吸气成分的打ore文件。计算了打ore持续时间（s），打ore响度（dBA），打sn周期性（％）和0-200、0-250和0-400 Hz频段的能量比。只有表现出打periodic周期和所有能量比率改善的患者才被视为手术成功。另外，根据对特定问卷问题的回答，患者也被分为“成功”或“失败”。然后使用这些类别对穆勒操纵在预测手术结果中的有效性进行了测试。结果：41例患者包括35例男性和6例女性。平均年龄：47岁（24-67岁）。平均值PNIFR 145（80-230）。报告的酒精摄入量中位数为11-15单位/周（0至26-30单位/周）。平均BMI：30.6千克/平方米（24.3-47.2千克/平方米）。 24例患者接受了耻骨上睑elevation突隆突成形术，而17例进行了传统的突成形术。进行穆勒手术后，将患者分为“理想”，“次优，但可以接受”或“不适合”手术。使用声学参数，将23/41例患者视为手术成功，而18/41例患者视为手术失败。使用问卷调查表回答，将14/40例患者视为手术成功，而将26/40例患者视为手术失败。主观和客观结果之间没有相关性（rho = 0.193; p = 0.227）。术前BMI，所进行的前庭成形术的类型，患者的性别，年龄，PNIRF或所报告的饮酒量均不是手术结果的混杂因素。对于使用声学结果被认为“理想”和“次优但可接受”的患者，穆勒操纵的特异性为55.5％，敏感性为30.4％，而问卷调查的敏感性为57.7％，特异性为28.6％被使用。如果仅考虑被认为是“理想”的患者，那么使用声学结果时的特异性为66.7％，敏感性为21.7％，而使用问卷调查问卷时的敏感性为69.2％，特异性为78.6％。结论：对于非呼吸性打s者，The骨手术对eu骨手术的术前评估似乎没有作用。

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