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Inicio Gastroenterología y Hepatología (English Edition) Postcolonoscopy colorectal cancer: Prevalence, categorization and root-cause ana...
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Vol. 47. Issue 4.
Pages 319-326 (April 2024)
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Vol. 47. Issue 4.
Pages 319-326 (April 2024)
Original article
Postcolonoscopy colorectal cancer: Prevalence, categorization and root-cause analysis based on the World Endoscopic Organization system
Cáncer colorrectal poscolonoscopia. Prevalencia, categorización y análisis de las causas subyacentes basado en las recomendaciones de la Organización Mundial de Endoscopia
Antonio Z. Gimeno-Garcíaa,b,c,1,
Corresponding author
antozeben@gmail.com

Corresponding author.
, Anjara Hernández-Péreza,1, Federica Beníteza, Noemi Seguraa, David Nicolás-Péreza, Enrique Quinterob,c, Noemi Hernández-Álvareza, Isabel Betancord, Eduardo Salidod, Manuel Hernández-Guerraa,b,c
a Servicio de Gastroenterología, Hospital Universitario de Canarias, Spain
b Instituto Universitario de Tecnologías Biomédicas (ITB) & Centro de Investigación Biomédica de Canarias (CIBICAN), Spain
c Departamento de Medicina Interna, Dermatología y Psiquiatría, Universidad de La Laguna, Tenerife, Spain
d Servicio de Anatomía Patológica, Hospital Universitario de Canarias, Spain
Article information
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Figures (2)
Tables (2)
Table 1. Postcolonoscopy colorectal cancer rates and basal characteristics of the patients included.
Table 2. Characteristics of the postpolypectomy colorectal cancers.
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Abstract
Aims

The World Endoscopy Organization (WEO) recommends that endoscopy units implement a process to identify postcolonoscopy colorectal cancer (PCCRC). The aims of this study were to assess the 3-year PCCRC rate and to perform root-cause analyses and categorization in accordance with the WEO recommendations.

Patients and methods

Cases of colorectal cancers (CRCs) in a tertiary care center were retrospectively included from January 2018 to December 2019. The 3-year and 4-year PCCRC rates were calculated. A root-cause analysis and categorization of PCCRCs (interval and type A, B, C noninterval PCCRCs) were performed. The level of agreement between two expert endoscopists was assessed.

Results

A total of 530 cases of CRC were included. A total of 33 were deemed PCCRCs (age 75.8±9.5 years; 51.5% women). The 3-year and 4-year PCCRC rates were 3.4% and 4.7%, respectively. The level of agreement between the two endoscopists was acceptable either for the root-cause analysis (k=0.958) or for the categorization (k=0.76).

The most plausible explanations of the PCCRCs were 8 “likely new PCCRCs”, 1 (4%) “detected, not resected”, 3 (12%) “detected, incomplete resection”, 8 (32%) “missed lesion, inadequate examination”, and 13 (52%) “missed lesion, adequate examination”. Most PCCRCs were deemed noninterval Type C PCCRCs (N=17, 51.5%).

Conclusion

WEO recommendations for root-cause analysis and categorization are useful to detect areas for improvement. Most PCCRCs were avoidable and were likely due to missed lesions during an otherwise adequate examination.

Keywords:
Postcolonoscopy colorectal cancer
World Endoscopy Organization
Root-cause analysis
Abbreviations:
WEO
PCCRC
CRC
BBPS
ESGE
SE
Resumen
Objetivo

La Organización Mundial de Endoscopia recomienda que las unidades de endoscopia implementen procedimientos para identificar el cáncer colorrectal poscolonoscopia (CCRPC). Los objetivos de este estudio fueron evaluar la tasa de CCRPCP a los 3 y 4 años, realizar un análisis de causalidad potencial y categorización siguiendo las recomendaciones de la Organización Mundial de Endoscopia.

Pacientes y métodos

Se incluyeron retrospectivamente los cánceres colorrectales diagnosticados de enero de 2018 a diciembre de 2019 en un hospital de tercer nivel. Se calculó la tasa de CCRPC a 3 años. Se realizó un análisis de causalidad potencial y categorización de los CCRPC (intervalo y CCRPC de no intervalo tipo A, B, C). Se evaluó la concordancia entre dos endoscopistas expertos.

Resultados

Se incluyeron 530 cánceres colorrectales. Un total de 33 se consideraron CCRPC (edad 75,8±9,5 años; 51,5% mujeres). La tasa de CCRPC a 3 y 4 años fue del 3,4% y 4,7% respectivamente. La concordancia entre los dos endoscopistas fue aceptable para el análisis de causalidad (k=0,958) y para la categorización (k=0,76). La explicación probable de los CCRPC fue: 8 «probable CCRPC de novo», 1 (4%) «detectado, no resecado», 3 (12%) «detectado, resección incompleta», 8 (32%) «no detectado, examen inadecuado» y 13 (52%) «no detectado, examen adecuado». La mayoría de los CCRPC se consideraron de no intervalo tipo C (N=17, 51,5%).

Conclusión

Las recomendaciones de la Organización Mundial de Endoscopia para el análisis de causalidad y la categorización son útiles para detectar áreas de mejora. La mayoría de los CCRPC eran evitables debido a lesiones no detectadas a pesar de realizar un examen adecuado.

Palabras clave:
Cáncer colorrectal poscolonoscopia
Organización Mundial de Endoscopia
Análisis de causas potenciales

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