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1.
Int J Colorectal Dis ; 38(1): 9, 2023 Jan 11.
Artigo em Inglês | MEDLINE | ID: mdl-36630001

RESUMO

PURPOSE: Evidence regarding the learning curve of robot-assisted total mesorectal excision is scarce and of low quality. Case-mix is mostly not taken into account, and learning curves are based on operative time, while preferably clinical outcomes and literature-based limits should be used. Therefore, this study aims to assess the learning curve of robot-assisted total mesorectal excision. METHODS: A retrospective study was performed in four Dutch centers. The primary aim was to assess the safety of the individual and institutional learning curves using a RA-CUSUM analysis based on intraoperative complications, major postoperative complications, and compound pathological outcome (positive circumferential margin or incomplete TME specimen). The learning curve for efficiency was assessed using a LC-CUSUM analysis for operative time. Outcomes of patients before and after the learning curve were compared. RESULTS: In this study, seven participating surgeons performed robot-assisted total mesorectal excisions in 531 patients. Learning curves for intraoperative complications, postoperative complications, and compound pathological outcome did not exceed predefined literature-based limits. The LC-CUSUM for operative time showed lengths of the learning curve ranging from 12 to 35 cases. Intraoperative, postoperative, and pathological outcomes did not differ between patients operated during and after the learning curve. CONCLUSION: The learning curve of robot-assisted total mesorectal excision based on intraoperative complications, postoperative complications, and compound pathological outcome did not exceed predefined limits and is therefore suggested to be safe. Using operative time as a surrogate for efficiency, the learning curve is estimated to be between 12 and 35 procedures.


Assuntos
Laparoscopia , Neoplasias Retais , Robótica , Humanos , Reto/cirurgia , Reto/patologia , Curva de Aprendizado , Estudos Retrospectivos , Neoplasias Retais/cirurgia , Neoplasias Retais/patologia , Complicações Pós-Operatórias/etiologia , Complicações Pós-Operatórias/cirurgia , Complicações Intraoperatórias/etiologia , Margens de Excisão , Resultado do Tratamento
2.
Crit Rev Oncol Hematol ; 158: 103149, 2021 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-33450679

RESUMO

INTRODUCTION: The use of fluorescence might improve the performance of the sentinel lymph node procedure in patients with colon cancer. This systematic review was conducted to gain insight in the performance and applicability of the sentinel lymph node procedure using fluorescence. METHOD: A systematic literature search was performed. Databases were searched for prospective studies concerning sentinel node identification using fluorescence in colon cancer. Detection rate, accuracy rate and sensitivity of the sentinel lymph node procedure were calculated for early stage (T1-T2) and more invasive (T3-T4) tumours. RESULTS: Analyses of five included studies showed for respectively T3-T4 and T1-T2 tumours a detection rate of 90 % and 91 %, an accuracy rate of 77 % and 98 %, and a sensitivity of 30 % and 80 %. CONCLUSION: The sentinel lymph node procedure using fluorescence in early stage (T1-T2) colon cancer seems to be promising. Larger cohorts are necessary to confirm these results.


Assuntos
Neoplasias do Colo , Linfonodo Sentinela , Neoplasias do Colo/diagnóstico por imagem , Neoplasias do Colo/patologia , Humanos , Linfonodos/patologia , Estadiamento de Neoplasias , Estudos Prospectivos , Linfonodo Sentinela/diagnóstico por imagem , Linfonodo Sentinela/patologia , Biópsia de Linfonodo Sentinela
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