Journal of cardiothoracic surgery · 2021
Vein-first versus artery-first ligation procedure for lung cancer surgery: An updated review.
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Zhao Tian, Zhang Chu, Zhao Chen, Wu Wen-Bin, Zhang Miao
Аннотация
BACKGROUND: The optimal sequence of pulmonary vessel interruption during lung cancer resection remains controversial. This review aimed to elucidate the association of vein-first versus artery-first ligation and survival of the patients.
METHODS: We searched PubMed, Web of Science, Scopus, Embase, Cochrane Library and Google Scholar from their inception to September 2021 for published articles that compared vein-first (the pulmonary vein was interrupted first) and artery-first procedure (the pulmonary artery was ligated first) during lung cancer surgery.
RESULTS: Finally, a total of 13 full articles were obtained. First, 7 studies with survival information were included for meta-analyses. As compared with the artery-first ligation, vein-first approach did not decrease the risk of local recurrence (risk ratio [RR] 0.92 in favour of vein-first; 95% confidence interval [CI] 0.61-1.39, p = 0.68) or distant metastasis (RR 0.92; 95% CI 0.30-2.85, p = 0.89); but it was associated with better disease-free survival (RR 0.52; 95% CI 0.37-0.73, p < 0.01) as well as 5-year overall survival (RR 0.60; 95% CI 0.41-0.86, p < 0.01). In addition, the operative time, intraoperative blood loss, total complications, and length of postoperative stay were mainly comparable between the two groups. Second, 7 studies provided the data of tumor cells indicated by different biomarkers and detection methods; and 3 of these reports showed that vein-first ligation decreased the extent of intraoperative tumor dissemination. However, a quantitative meta-analysis was not possible due to the significant heterogeneity.
CONCLUSION: Vein-first ligation in lung cancer surgery may be associated with improved survival of the patients, which might be ascribed to potentially lower risk of tumor cell dissemination. Well-designed, large-scale trials are warranted to clarify these occasional findings.
METHODS: We searched PubMed, Web of Science, Scopus, Embase, Cochrane Library and Google Scholar from their inception to September 2021 for published articles that compared vein-first (the pulmonary vein was interrupted first) and artery-first procedure (the pulmonary artery was ligated first) during lung cancer surgery.
RESULTS: Finally, a total of 13 full articles were obtained. First, 7 studies with survival information were included for meta-analyses. As compared with the artery-first ligation, vein-first approach did not decrease the risk of local recurrence (risk ratio [RR] 0.92 in favour of vein-first; 95% confidence interval [CI] 0.61-1.39, p = 0.68) or distant metastasis (RR 0.92; 95% CI 0.30-2.85, p = 0.89); but it was associated with better disease-free survival (RR 0.52; 95% CI 0.37-0.73, p < 0.01) as well as 5-year overall survival (RR 0.60; 95% CI 0.41-0.86, p < 0.01). In addition, the operative time, intraoperative blood loss, total complications, and length of postoperative stay were mainly comparable between the two groups. Second, 7 studies provided the data of tumor cells indicated by different biomarkers and detection methods; and 3 of these reports showed that vein-first ligation decreased the extent of intraoperative tumor dissemination. However, a quantitative meta-analysis was not possible due to the significant heterogeneity.
CONCLUSION: Vein-first ligation in lung cancer surgery may be associated with improved survival of the patients, which might be ascribed to potentially lower risk of tumor cell dissemination. Well-designed, large-scale trials are warranted to clarify these occasional findings.