Observational studyAnnals of thoracic and cardiovascular surgery : official journal of the Association of Thoracic and Cardiovascular Surgeons of Asia2025
Staple Formations in Bronchial Closure with Equal-Height Staples to Those with Graduated-Height Staples Using Motorized Staplers.
Observational study in Annals of thoracic and cardiovascular surgery : official journal of the Association of Thoracic and Cardiovascular Surgeons of Asia, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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6 authors.
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Abstract
purposeMotorized automatic staplers are used for bronchial closure following pulmonary resection. This study aimed to compare the completeness of staple formation in bronchial closure using 2 commonly adopted staple cartridges with motorized automatic staplers as follows: graduated-height staples (GHS) and equal-height staples (EHS).
methodsThis prospective observational study included 103 patients (105 bronchial stumps) undergoing pulmonary resections for lung cancer. Resected bronchi were embedded in paraffin, X-rays were taken, and staple formations were scored on a 0-4 scale, with a score of 4 indicating complete staple formation. Stump scores represented the average score of all staples per bronchial stump.
resultsThe GHS exhibited a higher incidence of staple scores above the median (3.91) than that of the EHS (37/59 [62.7%] vs. 19/46 [41.3%], respectively; p = 0.033). Additionally, the GHS had a higher rate of complete staple formation than that in the EHS (84.7% vs. 75.1%; p <0.0001). This difference was more evident in calcified bronchi (84.2% vs. 57.6%, respectively; p <0.0001). No bronchopleural fistula was observed in any patients during the year.
conclusionStaple formations were generally more complete in the GHS than in the EHS. This difference was particularly notable in calcified bronchi.
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