Abstract
Needle biopsy (NB) is used for the diagnosis of lung cancer, but there is still controversy about its effect on the prognosis after surgery. We conducted this meta-analysis to compare the prognosis of lung cancer patients who underwent preoperative NB with that of those who did not. We systematically searched seven databases and Google Scholar for eligible studies. Recurrence-free survival (RFS) and overall survival (OS) were analyzed as primary outcome measures. Nine articles with a collective total of 13,541 patients (NB group, n = 4550; non-NB group, n = 8991) were included in our meta-analysis. OS [hazard ratio (HR) = 1.43 (0.96, 2.12), p = 0.08] and RFS (HR = 1.59 [1.25, 2.01], p = 0.0001) tended to be better in the non-NB group than in the NB group. Pleural recurrence (risk ratio (RR) = 2.40 [1.42, 4.07], p = 0.001) was significantly lower in the non-NB group than in the NB group. The recurrence analysis data did not reach significance, but the overall trend was better for the non-NB group. These findings demonstrate that NB is detrimental to the survival prognosis of lung cancer patients and increases the chance of pleural recurrence.
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