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April 15, 2026BMC AnesthesiologyOpen Access

Effect of intermittent recruitment manoeuvre combined with PEEP on postoperative atelectasis in obese patients: a randomized controlled trial

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Authors

YQYong QiaoHZHaikun ZhangJYJinxiang Yu

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Overview

A randomized controlled trial evaluates PEEP combined with recruitment manoeuvre to reduce postoperative atelectasis in obese patients, suggesting improved outcomes.

Key Points

  • To assess the efficacy of combined PEEP and recruitment manoeuvre in preventing postoperative atelectasis in obese patients undergoing surgery.
  • Conducted a parallel-group randomized controlled trial at a single center.
  • Ninety obese patients were randomized into three groups: RM, PEEP, and combined interventions, with 30 patients in each group.
  • Primary outcomes included the incidence of atelectasis measured via chest CT within 48 hours postoperatively.
  • The overall incidence of atelectasis was 34.4%, with lower rates in the combined group (13.3%) compared to RM (46.7%) and PEEP (43.3%) groups.
  • Significant differences in the proportion of atelectatic area favored the combined group (2.56% vs. 4.13% vs. 5.94%).
  • Oxygenation indices were higher in the combined group, indicating better respiratory function.

Cite This Study

Qiao et al. (2026) studied this question.

synapsesocial.com/papers/69df2bece4eeef8a2a6b0d55https://doi.org/10.1186/s12871-026-03808-w
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  1. 1EIT-guided individualized PEEP titration versus conventional lung-protective ventilation to prevent pulmonary complications in laparoscopic bariatric surgery: a study protocol for a randomized controlled trial2026
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  3. 3Does Dynamic Compliance-Guided PEEP Titration Reduce Postoperative Pulmonary Aeration Loss in Laparoscopic Bariatric Surgery? Randomized Controlled Trial2026 · 1 citations
  4. 4Comparison of the effect of two recruitment manoeuvres to conventional ventilation on lung atelectasis in paediatric laparoscopic surgery- a prospective randomised controlled trial2024 · 2 citations
  5. 5Effectiveness of PEEP and Recruitment Maneuvers in Improving Oxygenation in Laparoscopic Hysterectomies: A Randomized Controlled Trial2023 · 1 citations