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Survival benefits of simple versus extended cholecystectomy and lymphadenectomy for patients with T1b gallbladder cancer: An analysis of the surveillance, epidemiology, and end results database (2004 to 2013).
Cancer Medicine ( IF 4 ) Pub Date : 2020-03-31 , DOI: 10.1002/cam4.2989
Li Xu 1 , Haidong Tan 1 , Xiaolei Liu 1 , Jia Huang 1 , Liguo Liu 1 , Shuang Si 1 , Yongliang Sun 1 , Wenying Zhou 1 , Zhiying Yang 1
Affiliation  

Although guidelines recommend extended surgical resection, radical resection and lymphadenectomy for patients with tumor stage (T)1b gallbladder cancer, these procedures are substantially underutilized. This population‐based, retrospective cohort study aimed to evaluate treatment patterns and outcomes of 401 patients using the US Surveillance, Epidemiology, and End Results (SEER) database from 2004 to 2013. Results showed that median overall survival (OS) was 69 months for lymphadenectomy patients and 37 months for those without lymphadenectomy. Lymphadenectomy also tended to prolong cancer‐specific survival (CSS), although the differences were not statistically significant. OS and CSS were similar for patients who received simple cholecystectomy and extended surgical resection. Cox proportional hazards regression models revealed survival advantages in patients with stage T1bN0 gallbladder cancer compared to those with stage T1bN1, and patients who received simple cholecystectomy plus lymphadenectomy compared to those who did not receive lymph node dissection. In further analyses, patients undergoing simple cholecystectomy who had five or more lymph nodes excised had better OS and CSS than those without lymph node dissection. In conclusion, survival advantages are shown for patients with T1b gallbladder cancer undergoing surgeries with lymphadenectomy. Future studies with longer follow‐up and control of potential confounders are highly warranted.

中文翻译:

T1b胆囊癌患者的简单与扩展胆囊切除术和淋巴结清扫术的生存获益:监测,流行病学和最终结果数据库的分析(2004年至2013年)。

尽管指南建议对患有肿瘤(T)1b胆囊癌的患者进行扩大的手术切除,根治性切除和淋巴结清扫术,但这些方法的使用率却大大不足。这项基于人群的回顾性队列研究旨在使用2004年至2013年间的美国监测,流行病学和最终结果(SEER)数据库评估401例患者的治疗模式和结果。结果显示,中位总生存(OS)为69个月淋巴结清扫术患者和37个月不进行淋巴结清扫术的患者。淋巴结清扫术也倾向于延长癌症特异性生存期(CSS),尽管差异在统计学上并不显着。对于接受单纯胆囊切除术和扩大手术切除的患者,OS和CSS相似。Cox比例风险回归模型显示,与T1bN1期相比,T1bN0期胆囊癌患者和未接受淋巴结清扫术的患者接受单纯胆囊切除加淋巴结清扫术的患者具有生存优势。在进一步的分析中,接受简单的胆囊切除术且切除了五个或更多淋巴结的患者比没有淋巴结清扫术的患者具有更好的OS和CSS。总之,对于接受T1b胆囊癌手术和淋巴结清扫术的患者,其生存优势得到了证明。未来的研究需要长期随访并控制潜在的混杂因素,因此是非常有必要的。与未接受淋巴结清扫术的患者相比,接受单纯胆囊切除术加淋巴结清扫术的患者。在进一步的分析中,接受简单的胆囊切除术且切除了五个或更多淋巴结的患者比没有淋巴结清扫术的患者具有更好的OS和CSS。总之,对于接受淋巴结清扫术的T1b胆囊癌患者,其生存优势已显示出来。未来的研究需要长期随访并控制潜在的混杂因素,因此是非常有必要的。与未接受淋巴结清扫术的患者相比,接受单纯胆囊切除术加淋巴结清扫术的患者。在进一步的分析中,接受简单的胆囊切除术且切除了五个或更多淋巴结的患者比没有淋巴结清扫术的患者具有更好的OS和CSS。总之,对于接受淋巴结清扫术的T1b胆囊癌患者,其生存优势已显示出来。未来的研究需要长期随访并控制潜在的混杂因素,因此是非常有必要的。
更新日期:2020-03-31
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