Oncological Results of the Educational Rectal Cancer Project in Spain 10 Years After Its Implementation

The objective of this observational, prospective, multicenter and multilevel study was to evaluate the oncological outcomes (local recurrence, metastasis and overall survival) of the Rectal Cancer Project of the Spanish Association of Surgeons (AEC) 10 years after its initiation, comparing the resul...

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Published inCirugia española (English ed.) Vol. 95; no. 10; pp. 577 - 587
Main Authors Codina Cazador, Antonio, Biondo, Sebastiano, Basany, Eloy Espin, Enriquez-Navascues, Jose Maria, Garcia-Granero, Eduardo, Roig Vila, Jose Vicente, Buxó, Maria
Format Journal Article
LanguageEnglish
Published Elsevier España 01.12.2017
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ISSN2173-5077
2173-5077
DOI10.1016/j.cireng.2017.08.005

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Abstract The objective of this observational, prospective, multicenter and multilevel study was to evaluate the oncological outcomes (local recurrence, metastasis and overall survival) of the Rectal Cancer Project of the Spanish Association of Surgeons (AEC) 10 years after its initiation, comparing the results with Scandinavian registries. The AEC teaching project database includes 17620 patients to date, of which 4508 were operated on with a potentially curative resection between March 2006 and December 2010. All of them come from the first 59 hospitals included in the project, and therefore followed for at least 5 years, and are the subject of the present study. The cumulative incidence of local recurrence was 7.3 (95% CI: 8.2–6.5), metastasis 21.0 (CI 95%: 22.4–19.7) and overall survival 72.3 (CI 95%: 80.3–77.6). The multilevel regression analysis with the hospital variable as a random effect, showed a significant variation among the hospitals for the cancer outcome variables: general survival, local recurrence and metastasis (δ2=0.053). This study indicates that the results observed in the AEC’ Rectal Cancer Project are inferior than those observed in the Scandinavian registries that we tried to emulate and that this is attributable to the variability of practice in some centers. El objetivo de este estudio observacional, prospectivo, multicéntrico y multinivel ha sido evaluar los resultados oncológicos (recidiva local, metástasis y supervivencia global) del Proyecto del Cáncer de Recto de la Asociación Española de Cirujanos (AEC) 10 años después de su inicio, comparando los resultados con los registros escandinavos. La base de datos del proyecto docente de la AEC incluye hasta la fecha a 17.620 pacientes, de los cuales 4.508 fueron operados con una resección potencialmente curativa entre marzo de 2006 y diciembre de 2010. Todos ellos son provenientes de los primeros 59 hospitales incluidos en el proyecto, y por tanto seguidos al menos durante 5 años, y constituyen el objeto del presente estudio. La incidencia acumulada de recidiva local fue 7,3 (IC 95%: 8,2-6,5), la de metástasis fue 21.0 (IC 95%: 22,4-19,7) y la de supervivencia global, 72,3 (IC 95%: 80,3-77,6). El análisis de regresión multinivel, con la variable hospital como un efecto aleatorio, mostró una variación significativa entre los hospitales para las variables de resultado oncológico: supervivencia general, recidiva local y metástasis (δ2=0,053). Este estudio indica que los resultados observados en el Proyecto del Cáncer de Recto de la AEC son inferiores a los observados en los registros de Escandinavia a los que tratamos de emular y que ello es atribuible a la variabilidad de la práctica en algunos centros.
AbstractList The objective of this observational, prospective, multicenter and multilevel study was to evaluate the oncological outcomes (local recurrence, metastasis and overall survival) of the Rectal Cancer Project of the Spanish Association of Surgeons (AEC) 10 years after its initiation, comparing the results with Scandinavian registries. The AEC teaching project database includes 17620 patients to date, of which 4508 were operated on with a potentially curative resection between March 2006 and December 2010. All of them come from the first 59 hospitals included in the project, and therefore followed for at least 5 years, and are the subject of the present study. The cumulative incidence of local recurrence was 7.3 (95% CI: 8.2–6.5), metastasis 21.0 (CI 95%: 22.4–19.7) and overall survival 72.3 (CI 95%: 80.3–77.6). The multilevel regression analysis with the hospital variable as a random effect, showed a significant variation among the hospitals for the cancer outcome variables: general survival, local recurrence and metastasis (δ2=0.053). This study indicates that the results observed in the AEC’ Rectal Cancer Project are inferior than those observed in the Scandinavian registries that we tried to emulate and that this is attributable to the variability of practice in some centers. El objetivo de este estudio observacional, prospectivo, multicéntrico y multinivel ha sido evaluar los resultados oncológicos (recidiva local, metástasis y supervivencia global) del Proyecto del Cáncer de Recto de la Asociación Española de Cirujanos (AEC) 10 años después de su inicio, comparando los resultados con los registros escandinavos. La base de datos del proyecto docente de la AEC incluye hasta la fecha a 17.620 pacientes, de los cuales 4.508 fueron operados con una resección potencialmente curativa entre marzo de 2006 y diciembre de 2010. Todos ellos son provenientes de los primeros 59 hospitales incluidos en el proyecto, y por tanto seguidos al menos durante 5 años, y constituyen el objeto del presente estudio. La incidencia acumulada de recidiva local fue 7,3 (IC 95%: 8,2-6,5), la de metástasis fue 21.0 (IC 95%: 22,4-19,7) y la de supervivencia global, 72,3 (IC 95%: 80,3-77,6). El análisis de regresión multinivel, con la variable hospital como un efecto aleatorio, mostró una variación significativa entre los hospitales para las variables de resultado oncológico: supervivencia general, recidiva local y metástasis (δ2=0,053). Este estudio indica que los resultados observados en el Proyecto del Cáncer de Recto de la AEC son inferiores a los observados en los registros de Escandinavia a los que tratamos de emular y que ello es atribuible a la variabilidad de la práctica en algunos centros.
Author Biondo, Sebastiano
Buxó, Maria
Enriquez-Navascues, Jose Maria
Codina Cazador, Antonio
Garcia-Granero, Eduardo
Basany, Eloy Espin
Roig Vila, Jose Vicente
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Keywords Supervivencia global
Recidiva local
Rectal cancer
Metástasis
Local recurrence
Overall survival
Metastases
Cáncer de recto
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Snippet The objective of this observational, prospective, multicenter and multilevel study was to evaluate the oncological outcomes (local recurrence, metastasis and...
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SubjectTerms Cáncer de recto
Local recurrence
Metastases
Metástasis
Overall survival
Recidiva local
Rectal cancer
Supervivencia global
Title Oncological Results of the Educational Rectal Cancer Project in Spain 10 Years After Its Implementation
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