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Impact of facilitation of early mobilization on postoperative pulmonary outcomes after colorectal surgery: a randomized controlled trial
Balvardi S, Pecorelli N, Castelino T, Niculiseanu P, Alhashemi M, Liberman AS, Charlebois P, Stein B, Carli F, Mayo NE, Feldman LS, Fiore JF Jr
Annals of Surgery 2020 Apr 20:Epub ahead of print
clinical trial
8/10 [Eligibility criteria: No; Random allocation: Yes; Concealed allocation: Yes; Baseline comparability: Yes; Blind subjects: No; Blind therapists: No; Blind assessors: Yes; Adequate follow-up: Yes; Intention-to-treat analysis: Yes; Between-group comparisons: Yes; Point estimates and variability: Yes. Note: Eligibility criteria item does not contribute to total score] *This score has been confirmed*

OBJECTIVE: To estimate the extent to which staff-directed facilitation of early mobilization impacts recovery of pulmonary function and 30-day postoperative pulmonary complications (PPCs) after colorectal surgery. SUMMARY BACKGROUND DATA: Early mobilization after surgery is believed to improve pulmonary function and prevent PPCs; however, adherence is low. The value of allocating resources (eg, staff time) to increase early mobilization is unknown. METHODS: This study involved the analysis of a priori secondary outcomes of a pragmatic, observer-blind, randomized trial. Consecutive patients undergoing colorectal surgery were randomized 1:1 to usual care (preoperative education) or facilitated mobilization (staff dedicated to assist transfers and walking during hospital stay). Forced vital capacity, forced expiratory volume in 1 second (FEV1), and peak cough flow were measured preoperatively and at 1, 2, 3 days and 4 weeks after surgery. PPCs were defined according to the European Perioperative Clinical Outcome Taskforce. RESULTS: Ninety-nine patients (57% male, 80% laparoscopic, median age 63, and predicted FEV1 97%) were included in the intention-to-treat analysis (usual care 49, facilitated mobilization 50). There was no between-group difference in recovery of forced vital capacity (adjusted difference in slopes 0.002 L/d (95% CI -0.01 to 0.01)), FEV1 (-0.002 L/d (-0.01 to 0.01)) or peak cough flow (-0.002 L/min/d (-0.02 to 0.02)). Thirty-day PPCs were also not different between groups (adjusted odds ratio 0.67 (0.23 to 1.99)). CONCLUSIONS: In this randomized controlled trial, staff-directed facilitation of early mobilization did not improve postoperative pulmonary function or reduce PPCs within an enhanced recovery pathway for colorectal surgery. TRIAL REGISTRATION: ClinicalTrials.gov identifier NCT02131844.
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