Prognostic significance of lymph nodes assessment during pulmonary metastasectomy: a systematic review and meta-analysis

被引:2
|
作者
Minervini, Fabrizio [1 ]
Li, Allen [2 ,3 ]
Qu, Marianna [4 ]
Nilius, Henning [5 ]
Shargall, Yaron [6 ]
机构
[1] Cantonal Hosp Lucerne, Div Thorac Surg, Luzern, Switzerland
[2] Univ Ottawa, Fac Med, Ottawa, ON, Canada
[3] Univ Ottawa, Ottawa Hosp Res Inst, Ottawa, ON, Canada
[4] Queens Univ, Sch Med, Kingston, ON, Canada
[5] Univ Bern, Bern Univ Hosp, Dept Clin Chem, Inselspital, Bern, Switzerland
[6] McMaster Univ, Dept Surg, Div Thorac Surg, Hamilton, ON, Canada
关键词
Lung metastasectomy; lymphadenectomy; lung metastases; LUNG METASTASECTOMY; INVOLVEMENT; SURVIVAL; DISSECTION; RESECTION; LYMPHADENECTOMY; CANCER; IMPACT;
D O I
10.21037/jtd-23-769
中图分类号
R56 [呼吸系及胸部疾病];
学科分类号
摘要
Background: Lung metastasectomy is an accepted treatment modality worldwide. Whether the addition of lymph node dissection to the procedure is useful remains, however, unknown. Methods: We performed a systematic review of the literature analyzing MEDLINE, Embase, until 31st October 2021. We included all studies which met the inclusion criteria aiming to determine if the addition of lymph node tissue dissection/sampling to lung metastasectomy offers survival benefits when compared to patients who do receive lymph node tissue dissection. Secondary outcomes were 3-and 5-year overall survival (OS) and disease-free survival (DFS). Each study was assessed for risk of bias. The data collected from the included studies were pooled using reconstruction of individual-level patient data and pooling of reported 5-year odds ratios (ORs). Interstudy heterogeneity was estimated with visual inspection of forest plots and calculation of the I2 inconsistency statistic. Results: We found 11 eligible studies that included a total of 3,310 patients. The most common primary tumor type was colorectal cancer (1,740 patients) and the most commonly performed operative procedure was wedge resection (57%) followed by lobectomy (39%). When resection status was reported, R0 resection was achieved in 90% of the cases. Nine studies did not show a statistically significant effect of lymph nodes dissection or sampling on the 5-year OS with a pooled hazard ratio of 0.94 [95% confidence interval (CI): 0.82, 1.08; I2=26%; 95% prediction interval (PI): 0.70, 1.24]. Regarding DFS, the pooled OR 0.60 (95% CI: 0.44, 0.80; I2=31%; 95% PI: 0.12, 2.09). Conclusions: The addition of lymph node tissue dissection during lung metastasectomy was not associated with a significant benefit in OS and showed a slight tendency towards a better DFS.
引用
收藏
页码:6447 / 6458
页数:18
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