Abstract
To compare recurrence rate, progression-free survival (PFS), and overall survival for early-stage cervical cancer after minimally invasive (MIS) vs abdominal radical hysterectomy. MEDLINE, Embase, Cochrane Central Register of Controlled Trials, and Cochrane Library databases. We identified studies from 1990 to 2020 that included women with stage I or higher cervical cancer treated with primary radical hysterectomy and compared recurrence and/or PFS and overall survival with MIS vs abdominal radical hysterectomy. (The review protocol was registered with the International Prospective Register of Systematic Reviews: CRD4202173600). We performed random-effects meta-analyses overall and by length of follow-up. Fifty articles on 40 cohort studies and 1 randomized controlled trial that included 22 593 women with cervical cancer met the inclusion criteria. Twenty percent of the studies had <36 months of follow-up, and 24% had more than 60 months of follow-up. The odds of PFS were worse for women undergoing MIS radical hysterectomy (odds ratio 1.54; 95% CI [confidence interval], 1.24-1.94; 14 studies). When limited to studies with longer follow-up, the odds of PFS were progressively worse with MIS radical hysterectomy (HR [hazard ratio] 1.48 for >36 months; 95% CI, 1.21-1.82; 10 studies; HR 1.69 for >48 months; 95% CI, 1.26-2.27; 5 studies; and HR 2.020 for >60 months; 95% CI, 1.36-3.001; 3 studies). For overall survival, the odds were not significantly different for MIS vs abdominal hysterectomy (odds ratio 0.94; 95% CI, 0.66-1.35; 14 studies) (HR 0.99 for >36 months; 95% CI, 0.66-1.48; 9 studies; HR 1.05 for >48 months; 95% CI, 0.57-1.94; 4 studies; and HR 1.35 for >60 months; 95% CI, 0.73-2.51; 3 studies). In our meta-analysis of 50 studies, MIS radical hysterectomy was associated with worse PFS than open radical hysterectomy for early-stage cervical cancer. The emergence of this finding with longer follow-up highlights the importance of long-term, high-quality studies to guide cancer and surgical treatments.
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