肺部专题

Methods for Dissecting Intersegmental Planes in Segmentectomy: A Randomized Controlled Trial

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Methods for Dissecting Intersegmental Planes in Segmentectomy: A Randomized Controlled Trial
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Background

The perioperative outcomes of the use of stapling devices versus electrocautery to dissect intersegmental planes in patients undergoing segmentectomy for small pulmonary lesions is still unclear. The aim of this randomized controlled trial was to compare the perioperative outcomes of these two methods.

Methods

A single-center, prospective, participant-blinded, randomized controlled trial (NCT03192904) was conducted with a preplanned sample size of 136. The primary outcome was the incidence of postoperative complications. Secondary outcomes included duration of operation, blood loss during operation, first-day drainage volume, duration of drainage, postoperative hospital stay, loss of lung function, and medical costs.

Results

The trial was stopped early as a result of a marked difference in the primary outcome between groups at a scheduled interim check of the data after recruiting 70 patients. The incidence of postoperative complications (eg, air leakage) was higher in the electrocautery group than in the stapler device group (11/32, 34.4% vs 2/33, 6.1%, P = .004). There were no differences in duration of operation, blood loss during operation, first-day drainage volume, duration of drainage, postoperative hospital stays, loss of lung function, or total medical cost, although the per-patient cost of medical materials was higher in the stapler device group (US$4214.6 ± 1185.4 vs $3260.1 ± 852.6, P < .001).

Conclusions

Among patients undergoing segmentectomy, the use of stapler devices to divide intersegmental planes decreased postoperative complications without further compromising lung function or increasing economic burden.

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