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Prospective randomized trial comparing buttressed versus nonbuttressed stapling in patients undergoing pulmonary
Kazuya Takamochi1, Shiaki Oh1, Yoshikazu Miyasaka1
1Department of General Thoracic Surgery, Juntendo University School of Medicine, Tokyo, Bunkyo-Ku, Japan.
The Thoracic and Cardiovascular Surgeon
|May 31, 2014
Summary
Buttressed stapling did not reduce overall air leaks during pulmonary lobectomy. However, it significantly decreased air leaks specifically from stapler holes, suggesting a targeted benefit.
Area of Science:
- Thoracic Surgery
- Surgical Innovation
- Pulmonary Medicine
Background:
- Pulmonary lobectomy carries a risk of air leaks, a common complication.
- Buttressed staplers, featuring polyglycolic acid sheets, were developed to mitigate this risk.
- Evaluating the efficacy of buttressed stapling in reducing air leaks is crucial for patient outcomes.
Purpose of the Study:
- To assess the effectiveness of buttressed stapling versus conventional stapling in reducing air leaks after pulmonary lobectomy.
- To compare the frequency and duration of intraoperative and postoperative air leaks between the two stapler types.
Main Methods:
- A prospective, randomized, phase III clinical trial was conducted.
- Patients undergoing pulmonary lobectomy were assigned to either a buttressed stapler group or a conventional non-buttressed stapler group.
- The primary endpoint was the frequency of intraoperative air leaks.
Main Results:
- No significant difference in the overall frequency or duration of air leaks was observed between the buttressed and non-buttressed stapler groups.
- However, buttressed stapling significantly reduced the incidence of air leaks originating from stapler holes (2% vs. 20%, p=0.016).
- The study was terminated early due to manufacturer recall of the buttressed stapler following reports of serious adverse events.
Conclusions:
- The overall efficacy of buttressed stapling in preventing air leaks during pulmonary lobectomy was not definitively established in this trial.
- Buttressed stapling demonstrated a significant benefit in preventing air leaks specifically from stapler holes.
- Further investigation into the safety and efficacy of buttressed stapling devices is warranted, considering the reported adverse events.

