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节段性结肠切除术是治疗脾曲结肠癌的一种安全有效的治疗选择:意大利外科肿瘤学会-结直肠癌网络协作组的一项全国性回顾性研究。

Segmental Colonic Resection Is a Safe and Effective Treatment Option for Colon Cancer of the Splenic Flexure: A Nationwide Retrospective Study of the Italian Society of Surgical Oncology-Colorectal Cancer Network Collaborative Group.

机构信息

University of Turin, Department of Oncology, Division of Surgical Oncology and Digestive Surgery, San Luigi University Hospital, Orbassano (Turin), Italy.

Department of Clinical and Biological Sciences, University of Turin, Turin, Italy.

出版信息

Dis Colon Rectum. 2020 Oct;63(10):1372-1382. doi: 10.1097/DCR.0000000000001743.

DOI:10.1097/DCR.0000000000001743
PMID:32969880
Abstract

BACKGROUND

Global experience with splenic flexure cancer is limited because of its low incidence. Both limited (segmental) and extended resections are performed, because agreement on which is the adequate procedure has not been reached.

OBJECTIVE

The purpose of this study was to investigate whether segmental resection is as safe and effective as extended resection.

DESIGN

This nationwide retrospective cohort study included all consecutive resections of splenic flecure cancer between January 2006 and December 2016 using data from the National Colorectal Cancer Network of the Italian Society of Surgical Oncology following the guidelines set out in the STROBE statement.

SETTING

Data were obtained for 31 Italian Referral Centers for Colorectal Surgery.

PATIENTS

A total of 1304 patients were submitted to resection of the splenic flexure (n = 791, 60.7%) or extended procedures (extended right and left colectomies; n = 513, 39.3%).

MAIN OUTCOME MEASURES

We evaluated Clavien-Dindo ≥3 postoperative complications and oncological (number of lymph nodes removed, length of free proximal and distal margins, rate of R0 resections) and survival outcomes.

RESULTS

The 2 arms were well balanced in regard to sex, BMI, ASA and Eastern Cooperative Oncology Group scores, and disease stage. Limited resection was performed more frequently using a minimally invasive approach (62.1% vs 50.9%, p < 0.001) and with shorter operation times than extended procedures (165 vs 189 minutes, p < 0.001), but the same Clavien-Dindo ≥3 postoperative complications (6.44% vs 6.43%, p = 0.99), 30-day mortality (0.63% vs 0.38%), oncological outcomes, and survival rates (5-year overall survival 0.84 vs 0.83, 5-year progression-free survival 0.85 vs 0.84).

LIMITATIONS

There are limitations inherent to the retrospective nature of the study and a potential lack of consistency in treatment across centers over time. Indications as to why a specific operation was chosen were based mostly on surgeons' beliefs.

CONCLUSIONS

Segmental resection is a safe and effective treatment option for cancer of the splenic flexure. See Video Abstract at http://links.lww.com/DCR/B307. LA RESECCIÓN DE COLON SEGMENTARIA ES UNA OPCIÓN DE TRATAMIENTO SEGURA Y EFICAZ PARA EL CÁNCER DE COLON DE LA FLEXIÓN ESPLÉNICA: UN ESTUDIO RETROSPECTIVO A NIVEL NACIONAL DE LA SOCIEDAD ITALIANA DE ONCOLOGÍA QUIRÚRGICA - GRUPO COLABORATIVO RED DE CÁNCER COLORRECTAL: La experiencia global con el cáncer de flexión esplénica es limitada debido a su baja incidencia. Se realizan resecciones limitadas (segmentarias) y extendidas, ya que no se ha llegado a un acuerdo sobre cuál es el procedimiento adecuado.El propósito de este estudio fue investigar si la resección segmentaria es tan segura y efectiva como la resección extendida.Este estudio de cohorte retrospectivo a nivel nacional incluyó todas las resecciones consecutivas de cáncer de flecura esplénica entre enero de 2006 y diciembre de 2016 utilizando datos de la Red Nacional de Cáncer Colorrectal de la Sociedad Italiana de Oncología Quirúrgica siguiendo las pautas establecidas en la declaración STROBE.Se obtuvieron datos para 31 centros de referencia italianos para cirugía colorrectal.Un total de 1304 pacientes fueron sometidos a resección de la flexión esplénica (n = 791, 60.7%) o procedimientos extendidos (colectomías extendidas derecha e izquierda; n = 513, 39.3%).Evaluamos Clavien-Dindo ≥3 complicaciones postoperatorias y oncológicas (número de ganglios linfáticos extirpados, longitud de márgenes proximales y distales libres, tasa de resecciones R0) y resultados de supervivencia.Los dos brazos estaban bien equilibrados en cuanto a sexo, IMC, ASA y puntajes ECOG, y etapa de la enfermedad. La resección limitada se realizó con mayor frecuencia utilizando un enfoque mínimamente invasivo (62.1% versus 50,9%, p < 0.001) y con tiempos de operación más cortos que los procedimientos extendidos (165 min versus 189 min, p <0.001), pero el mismo Clavien-Dindo ≥3 complicaciones postoperatorias (6,44% versus 6,43%, p = 0.99), mortalidad a los 30 días (0,63% versus 0,38%), resultados oncológicos y tasas de supervivencia (5-y OS 0,84 versus 0,83, 5-PFS 0,85 versus 0,84).Existen limitaciones inherentes a la naturaleza retrospectiva del estudio y una posible falta de consistencia en el tratamiento entre centros a lo largo del tiempo. Las indicaciones de por qué se eligió una operación específica se basaron principalmente en crieterios de los cirujanos.La resección segmentaria es una opción de tratamiento segura y efectiva para el cáncer de la flexión esplénica. Consulte Video Resumen en http://links.lww.com/DCR/B307. (Traducción-Dr. Adrian Ortega).

摘要

背景

全球对脾曲癌的经验有限,因为其发病率较低。两种有限(节段性)和广泛切除都有进行,因为对于哪种是足够的程序尚未达成共识。

目的

本研究旨在探讨节段性切除是否与广泛切除一样安全有效。

设计

本研究为全国性回顾性队列研究,使用意大利外科肿瘤学会的全国结直肠癌网络的数据,根据 STROBE 声明中规定的准则,对 2006 年 1 月至 2016 年 12 月期间连续进行的脾曲癌切除术进行了研究。

设置

数据来自 31 家意大利结直肠外科转诊中心。

患者

共有 1304 例患者接受了脾曲切除术(n=791,60.7%)或扩展手术(扩大右和左结肠切除术;n=513,39.3%)。

主要观察指标

我们评估了 Clavien-Dindo≥3 级术后并发症以及肿瘤学(切除的淋巴结数量、游离近端和远端切缘的长度、R0 切除率)和生存结局。

结果

两组在性别、体重指数、ASA 和 ECOG 评分以及疾病分期方面均具有良好的均衡性。采用微创方法更常进行有限切除(62.1%比 50.9%,p<0.001),手术时间比广泛切除短(165 分钟比 189 分钟,p<0.001),但同样存在 Clavien-Dindo≥3 级术后并发症(6.44%比 6.43%,p=0.99)、30 天死亡率(0.63%比 0.38%)、肿瘤学结果和生存率(5 年总生存率 0.84 比 0.83,5 年无进展生存率 0.85 比 0.84)。

局限性

由于研究的回顾性性质以及随着时间的推移不同中心治疗的一致性可能存在不足,因此存在固有局限性。选择特定手术的原因主要基于外科医生的信念。

结论

脾曲癌的节段性切除术是一种安全有效的治疗选择。

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