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Staple Formations in Bronchial Closure with Equal-Height Staples to Those with Graduated-Height Staples Using
Kenji Tomizawa1,2, Hana Oiki1,2, Shota Fukuda1,2
1Division of Thoracic Surgery, Department of Surgery, Izumi City General Hospital, Izumi, Osaka, Japan.
Summary
Graduated-height staples (GHS) provide more complete bronchial closure than equal-height staples (EHS) during pulmonary resection. This finding is especially significant for calcified bronchi, improving surgical outcomes.
Area of Science:
- Thoracic Surgery
- Surgical Technology
- Pulmonary Medicine
Background:
- Motorized automatic staplers are crucial for bronchial closure after pulmonary resections.
- Assessing the completeness of staple formation is vital for preventing complications.
Purpose of the Study:
- To compare the completeness of staple formation between graduated-height staples (GHS) and equal-height staples (EHS) in bronchial closure using motorized staplers.
Main Methods:
- A prospective observational study involving 103 patients (105 bronchial stumps) undergoing pulmonary resection.
- X-ray analysis of resected bronchi to score staple formation completeness (0-4 scale).
Main Results:
- Graduated-height staples (GHS) showed a higher incidence of scores above the median (62.7%) compared to equal-height staples (EHS) (41.3%).
- GHS demonstrated a significantly higher rate of complete staple formation (84.7%) versus EHS (75.1%).
- This difference was more pronounced in calcified bronchi (84.2% for GHS vs. 57.6% for EHS).
Conclusions:
- Staple formation completeness is generally superior with GHS compared to EHS.
- The advantage of GHS is particularly evident in calcified bronchi, suggesting improved efficacy in challenging cases.

