Evaluating the Effect of Pressure-Controlled Versus Volume-Controlled Ventilation Modes on Intraoperative Bleeding in Rhinoplasty: A Randomized Clinical Trial.

Q2 Medicine
Anesthesiology and Pain Medicine Pub Date : 2024-10-29 eCollection Date: 2024-10-01 DOI:10.5812/aapm-151582
Behrooz Zaman, Masood Mohseni, Samad Noorizad, Soudabeh Jalali Motlagh, Taymaz Amiraslani, Monal Sayyahi
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引用次数: 0

Abstract

Background: Intraoperative bleeding is one of the major challenges in rhinoplasty.

Objectives: This study aimed to evaluate the effect of pressure-controlled ventilation (PCV) versus volume-controlled ventilation (VCV) modes on intraoperative bleeding during rhinoplasty.

Methods: In a double-blinded randomized clinical trial, 58 candidates for rhinoplasty were randomly assigned to the PCV or VCV groups. Anesthesia was induced and maintained using the same total intravenous anesthesia (TIVA) method in both groups. The amount of bleeding was assessed by counting blood-soaked gauze and measuring the content of the suctioned fluid. Additionally, bleeding in the surgical field was assessed by the surgeon using the Boezaart criterion.

Results: The mean intraoperative bleeding volume was 30 ± 45 mL in the PCV group and 100 ± 120 mL in the VCV group (P < 0.001). According to logistic regression analysis, the odds of experiencing moderately severe or severe bleeding in the VCV group were 5.4 times higher than in the PCV group. After adjusting for confounding variables, the odds ratio increased to 26.8 (95% CI = 1.2, 59.3).

Conclusions: The results of the study suggest that the pressure-controlled mode may lead to lower intraoperative bleeding compared to the volume-controlled mode. The decrease in peak airway pressure is likely a contributing factor to this observation.

评估压力控制与容量控制通气模式对鼻整形术中出血的影响:一项随机临床试验。
背景:术中出血是鼻整形的主要挑战之一。目的:本研究旨在评估压力控制通气(PCV)与容量控制通气(VCV)模式对鼻整形术中出血的影响。方法:在一项双盲随机临床试验中,58名鼻整形患者随机分为PCV组和VCV组。两组均采用相同的全静脉麻醉(TIVA)方法诱导和维持麻醉。通过计算纱布浸血量和吸痰液含量来评估出血量。此外,外科医生使用Boezaart标准评估手术野出血。结果:PCV组平均术中出血量为30±45 mL, VCV组平均术中出血量为100±120 mL (P < 0.001)。根据logistic回归分析,VCV组出现中重度或重度出血的几率是PCV组的5.4倍。校正混杂变量后,优势比增加到26.8 (95% CI = 1.2, 59.3)。结论:本研究结果提示,与容量控制模式相比,压力控制模式可导致更低的术中出血。气道压力峰值的降低可能是导致这一观察结果的一个因素。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Anesthesiology and Pain Medicine
Anesthesiology and Pain Medicine Medicine-Anesthesiology and Pain Medicine
CiteScore
4.60
自引率
0.00%
发文量
49
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