Surgery today · 2023
Thrombus formation at the stump of the pulmonary vein after lobectomy: a prospective multi-institutional study.
Многоцентровое исследованиеСтатьяНазвание и аннотация: Перевод пока не подготовлен
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Yamamoto Takayoshi, Suzuki Hidemi, Sakairi Yuichi, Iwata Takekazu, Iizasa Toshihiko, Tagawa Tetsuzo, Yoshida Shigetoshi, Takemura Ryo, Sato Yasunori, Yoshino Ichiro
Аннотация
PURPOSE: Recent reports suggest that postoperative cerebral infarction following lung cancer surgery is caused by thrombus formation at the stump of the pulmonary vein and that the risk is highest after left upper lobectomy (LUL). Thrombosis at the stump of the pulmonary vein and the incidence of cerebral infarction was investigated prospectively in patients who underwent lobectomy for lung cancer.
METHODS: Lung cancer patients undergoing planned pulmonary lobectomy were enrolled. The endpoint was to confirm if there is a higher incidence of thrombus formation (primary) and a higher incidence of cerebral infarction (secondary) in patients undergoing LUL. We planned to accrue 600 patients. An interim analysis was scheduled for just after the data center received the final clinical review form of the 300th patient.
RESULTS: The interim analysis revealed a significant difference in the primary endpoint. In the final analysis, thrombus was identified in 16 of 88 LUL patients (20.5%), and in 4 of 247 patients who underwent other types of lobectomy (1.6%) (p < 0.05). Cerebral infarction was identified in 1 of the LUL patients (1.3%) and in 9 of the other patients (3.6%) (p = 0.318).
CONCLUSIONS: Thrombus frequently forms at the stump of the left superior pulmonary vein after LUL. However, our study did not identify a relationship between thrombosis and cerebral infarction.
METHODS: Lung cancer patients undergoing planned pulmonary lobectomy were enrolled. The endpoint was to confirm if there is a higher incidence of thrombus formation (primary) and a higher incidence of cerebral infarction (secondary) in patients undergoing LUL. We planned to accrue 600 patients. An interim analysis was scheduled for just after the data center received the final clinical review form of the 300th patient.
RESULTS: The interim analysis revealed a significant difference in the primary endpoint. In the final analysis, thrombus was identified in 16 of 88 LUL patients (20.5%), and in 4 of 247 patients who underwent other types of lobectomy (1.6%) (p < 0.05). Cerebral infarction was identified in 1 of the LUL patients (1.3%) and in 9 of the other patients (3.6%) (p = 0.318).
CONCLUSIONS: Thrombus frequently forms at the stump of the left superior pulmonary vein after LUL. However, our study did not identify a relationship between thrombosis and cerebral infarction.