Perfusion Assessment in Left-Sided/Low Anterior Resection (PILLAR III): A Randomized, Controlled, Parallel, Multicenter Study Assessing Perfusion Outcomes With PINPOINT Near-Infrared Fluorescence Imaging in Low Anterior Resection.


Journal

Diseases of the colon and rectum
ISSN: 1530-0358
Titre abrégé: Dis Colon Rectum
Pays: United States
ID NLM: 0372764

Informations de publication

Date de publication:
01 08 2021
Historique:
pubmed: 20 4 2021
medline: 16 11 2021
entrez: 19 4 2021
Statut: ppublish

Résumé

Indocyanine green fluoroscopy has been shown to improve anastomotic leak rates in early phase trials. We hypothesized that the use of fluoroscopy to ensure anastomotic perfusion may decrease anastomotic leak after low anterior resection. We performed a 1:1 randomized controlled parallel study. Recruitment of 450 to 1000 patients was planned over 2 years. This was a multicenter trial. Included patients were those undergoing resection defined as anastomosis within 10 cm of the anal verge. Patients underwent standard evaluation of tissue perfusion versus standard in conjunction with perfusion evaluation using indocyanine green fluoroscopy. Primary outcome was anastomotic leak, with secondary outcomes of perfusion assessment and the rate of postoperative abscess requiring intervention. This study was concluded early because of decreasing accrual rates. A total of 25 centers recruited 347 patients, of whom 178 were randomly assigned to perfusion and 169 to standard. The groups had comparable tumor-specific and patient-specific demographics. Neoadjuvant chemoradiation was performed in 63.5% of perfusion and 65.7% of standard (p > 0.05). Mean level of anastomosis was 5.2 ± 3.1 cm in perfusion compared with 5.2 ± 3.3 cm in standard (p > 0.05). Sufficient visualization of perfusion was reported in 95.4% of patients in the perfusion group. Postoperative abscess requiring surgical management was reported in 5.7% of perfusion and 4.2% of standard (p = 0.75). Anastomotic leak was reported in 9.0% of perfusion compared with 9.6% of standard (p = 0.37). On multivariate regression analysis, there was no difference in anastomotic leak rates between perfusion and standard (OR = 0.845 (95% CI, 0.375-1.905); p = 0.34). The predetermined sample size to adequately reduce the risk of type II error was not achieved. Successful visualization of perfusion can be achieved with indocyanine green fluoroscopy. However, no difference in anastomotic leak rates was observed between patients who underwent perfusion assessment versus standard surgical technique. In experienced hands, the addition of routine indocyanine green fluoroscopy to standard practice adds no evident clinical benefit. See Video Abstract at http://links.lww.com/DCR/B560. ANTECEDENTES:Se ha demostrado que la fluoroscopia con verde de indocianina mejora las tasas de fuga anastomótica en ensayos en fases iniciales.OBJETIVO:Nuestra hipótesis es que la utilización de fluoroscopia para asegurar la irrigación anastomótica puede disminuir la fuga anastomótica luego de una resección anterior baja.DISEÑO:Realizamos un estudio paralelo, controlado, aleatorizado 1:1. Se planificó el reclutamiento de 450-1000 pacientes durante 2 años.AMBITO:Multicéntrico.PACIENTES:Pacientes sometidos a resección definida como una anastomosis dentro de los 10cm del margen anal.INTERVENCIÓN:Pacientes que se sometieron a la evaluación estándar de la irrigación tisular contra la estándar en conjunto con la valoración de la irrigación mediante fluoroscopia con verde indocianina.PRINCIPALES VARIABLES EVALUADAS:El principal resultado fue la fuga anastomótica, y los resultados secundarios fueron la evaluación de la perfusión y la tasa de absceso posoperatorio que requirió intervención.RESULTADOS:Este estudio se cerró anticipadamente debido a la disminución de las tasas de acumulación. Un total de 25 centros reclutaron a 347 pacientes, de los cuales 178 fueron, de manera aleatoria, asignados a perfusión y 169 a estándar. Los grupos tenían datos demográficos específicos del tumor y del paciente similares. Recibieron quimio-radioterapia neoadyuvante el 63,5% de la perfusión y el 65,7% del estándar (p> 0,05). La anastomosis estuvo en un nivel promedio de 5,2 + 3,1 cm en perfusión en comparación con 5,2 + 3,3 cm en estándar (p> 0,05). Se reportó una visualización suficiente de la perfusión en el 95,4% de los pacientes del grupo de perfusión. El absceso posoperatorio que requirió tratamiento quirúrgico fue de 5,7% de los perfusion y en el 4,2% del estándar (p = 0,75). Se informó fuga anastomótica en el 9,0% de la perfusión en comparación con el 9,6% del estándar (p = 0,37). En el análisis de regresión multivariante, no hubo diferencias en las tasas de fuga anastomótica entre la perfusión y el estándar (OR 0,845; IC del 95% (0,375; 1,905); p = 0,34).LIMITACIONES:No se logró el tamaño de muestra predeterminado para reducir satisfactoriamente el riesgo de error tipo II.CONCLUSIÓN:Se puede obtener una visualización adecuada de la perfusión con ICG-F. Sin embargo, no se observaron diferencias en las tasas de fuga anastomótica entre los pacientes que se sometieron a evaluación de la perfusión versus la técnica quirúrgica estándar. En manos expertas, agregar ICG-F a la rutina de la práctica estándar no agrega ningún beneficio clínico evidente. Consulte Video Resumen en http://links.lww.com/DCR/B560. (Traducción-Dr Juan Antonio Villanueva-Herrero).

Sections du résumé

BACKGROUND
Indocyanine green fluoroscopy has been shown to improve anastomotic leak rates in early phase trials.
OBJECTIVE
We hypothesized that the use of fluoroscopy to ensure anastomotic perfusion may decrease anastomotic leak after low anterior resection.
DESIGN
We performed a 1:1 randomized controlled parallel study. Recruitment of 450 to 1000 patients was planned over 2 years.
SETTINGS
This was a multicenter trial.
PATIENTS
Included patients were those undergoing resection defined as anastomosis within 10 cm of the anal verge.
INTERVENTION
Patients underwent standard evaluation of tissue perfusion versus standard in conjunction with perfusion evaluation using indocyanine green fluoroscopy.
MAIN OUTCOME MEASURES
Primary outcome was anastomotic leak, with secondary outcomes of perfusion assessment and the rate of postoperative abscess requiring intervention.
RESULTS
This study was concluded early because of decreasing accrual rates. A total of 25 centers recruited 347 patients, of whom 178 were randomly assigned to perfusion and 169 to standard. The groups had comparable tumor-specific and patient-specific demographics. Neoadjuvant chemoradiation was performed in 63.5% of perfusion and 65.7% of standard (p > 0.05). Mean level of anastomosis was 5.2 ± 3.1 cm in perfusion compared with 5.2 ± 3.3 cm in standard (p > 0.05). Sufficient visualization of perfusion was reported in 95.4% of patients in the perfusion group. Postoperative abscess requiring surgical management was reported in 5.7% of perfusion and 4.2% of standard (p = 0.75). Anastomotic leak was reported in 9.0% of perfusion compared with 9.6% of standard (p = 0.37). On multivariate regression analysis, there was no difference in anastomotic leak rates between perfusion and standard (OR = 0.845 (95% CI, 0.375-1.905); p = 0.34).
LIMITATIONS
The predetermined sample size to adequately reduce the risk of type II error was not achieved.
CONCLUSIONS
Successful visualization of perfusion can be achieved with indocyanine green fluoroscopy. However, no difference in anastomotic leak rates was observed between patients who underwent perfusion assessment versus standard surgical technique. In experienced hands, the addition of routine indocyanine green fluoroscopy to standard practice adds no evident clinical benefit. See Video Abstract at http://links.lww.com/DCR/B560.
VALORACIN DE LA IRRIGACIN DE LADO IZQUIERDO/RESECCIN ANTERIOR BAJA PILAR III UN ESTUDIO ALEATORIZADO, CONTROLADO, PARALELO Y MULTICNTRICO QUE EVALA LOS RESULTADOS DE LA IRRIGACIN CON PINPOINT IMGENES DE FLUORESCENCIA CERCANA AL INFRARROJO EN LA RESECCIN ANTERIOR BAJA
ANTECEDENTES:Se ha demostrado que la fluoroscopia con verde de indocianina mejora las tasas de fuga anastomótica en ensayos en fases iniciales.OBJETIVO:Nuestra hipótesis es que la utilización de fluoroscopia para asegurar la irrigación anastomótica puede disminuir la fuga anastomótica luego de una resección anterior baja.DISEÑO:Realizamos un estudio paralelo, controlado, aleatorizado 1:1. Se planificó el reclutamiento de 450-1000 pacientes durante 2 años.AMBITO:Multicéntrico.PACIENTES:Pacientes sometidos a resección definida como una anastomosis dentro de los 10cm del margen anal.INTERVENCIÓN:Pacientes que se sometieron a la evaluación estándar de la irrigación tisular contra la estándar en conjunto con la valoración de la irrigación mediante fluoroscopia con verde indocianina.PRINCIPALES VARIABLES EVALUADAS:El principal resultado fue la fuga anastomótica, y los resultados secundarios fueron la evaluación de la perfusión y la tasa de absceso posoperatorio que requirió intervención.RESULTADOS:Este estudio se cerró anticipadamente debido a la disminución de las tasas de acumulación. Un total de 25 centros reclutaron a 347 pacientes, de los cuales 178 fueron, de manera aleatoria, asignados a perfusión y 169 a estándar. Los grupos tenían datos demográficos específicos del tumor y del paciente similares. Recibieron quimio-radioterapia neoadyuvante el 63,5% de la perfusión y el 65,7% del estándar (p> 0,05). La anastomosis estuvo en un nivel promedio de 5,2 + 3,1 cm en perfusión en comparación con 5,2 + 3,3 cm en estándar (p> 0,05). Se reportó una visualización suficiente de la perfusión en el 95,4% de los pacientes del grupo de perfusión. El absceso posoperatorio que requirió tratamiento quirúrgico fue de 5,7% de los perfusion y en el 4,2% del estándar (p = 0,75). Se informó fuga anastomótica en el 9,0% de la perfusión en comparación con el 9,6% del estándar (p = 0,37). En el análisis de regresión multivariante, no hubo diferencias en las tasas de fuga anastomótica entre la perfusión y el estándar (OR 0,845; IC del 95% (0,375; 1,905); p = 0,34).LIMITACIONES:No se logró el tamaño de muestra predeterminado para reducir satisfactoriamente el riesgo de error tipo II.CONCLUSIÓN:Se puede obtener una visualización adecuada de la perfusión con ICG-F. Sin embargo, no se observaron diferencias en las tasas de fuga anastomótica entre los pacientes que se sometieron a evaluación de la perfusión versus la técnica quirúrgica estándar. En manos expertas, agregar ICG-F a la rutina de la práctica estándar no agrega ningún beneficio clínico evidente. Consulte Video Resumen en http://links.lww.com/DCR/B560. (Traducción-Dr Juan Antonio Villanueva-Herrero).

Identifiants

pubmed: 33872284
doi: 10.1097/DCR.0000000000002007
pii: 00003453-202108000-00012
doi:

Substances chimiques

Indocyanine Green IX6J1063HV

Banques de données

ClinicalTrials.gov
['NCT02205307']

Types de publication

Journal Article Multicenter Study Randomized Controlled Trial Video-Audio Media

Langues

eng

Sous-ensembles de citation

IM

Pagination

995-1002

Commentaires et corrections

Type : CommentIn
Type : CommentIn

Informations de copyright

Copyright © The ASCRS 2021.

Références

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Auteurs

Mehraneh D Jafari (MD)

Department of Surgery, Division of Colorectal Surgery, University of California, Irvine, Orange, California.

Alessio Pigazzi (A)

Department of Surgery, Division of Colorectal Surgery, University of California, Irvine, Orange, California.

Elisabeth C McLemore (EC)

Department of Surgery, Division of Colorectal Surgery, NewYork-Presbyterian Weill Cornell Medical Center, New York, New York.

Matthew G Mutch (MG)

Department of Surgery, Division of Colorectal Surgery, Kaiser Permanente Los Angeles Medical Center, Los Angeles, California.

Eric Haas (E)

Department of Surgery, Division of Colorectal Surgery, Washington University School of Medicine, St. Louis, Missouri.

Sowsan H Rasheid (SH)

Department of Surgery, Division of Colorectal Surgery, Houston Methodist Hospital, Houston, Texas.

Alyssa D Wait (AD)

Department of Surgery, Division of Colorectal Surgery, University of South Florida, Tampa, Florida.

Ian M Paquette (IM)

Department of Surgery, Division of Colorectal Surgery, Suburban Surgical Associates, St. Louis, MO.

Ovunc Bardakcioglu (O)

Department of Surgery, Division of Colorectal Surgery, University of Cincinnati Physicians, Cincinnati, OH.

Bashar Safar (B)

Department of Surgery, Division of Colorectal Surgery, University of Nevada School of Medicine.

Ron G Landmann (RG)

Department of Surgery, Division of Colorectal Surgery, Johns Hopkins University, Baltimore, Maryland.

Madhulika G Varma (MG)

Department of Surgery, Division of Colorectal Surgery, MD Anderson Cancer Center-Baptist Medical Center, Jacksonville, Florida.

David J Maron (DJ)

Department of Surgery, Division of Colorectal Surgery, University of California, San Francisco, San Francisco, CA.

Joseph Martz (J)

Department of Surgery, Division of Colorectal Surgery, Ochsner Clinic Foundation, New Orleans, Louisiana.

Joel J Bauer (JJ)

Department of Surgery, Division of Colorectal Surgery, North Shore-Long Island Jewish Health System/Hofstra North Shore School of Medicine at Lenox Hill Hospital, New York, New York.

Virgilio V George (VV)

Department of Surgery, Division of Colorectal Surgery, Mount Sinai, New York, New York.

James W Fleshman (JW)

Department of Surgery, Division of Colorectal Surgery, Medical College of South Carolina, Charleston, South Carolina.

Scott R Steele (SR)

Department of Surgery, Division of Colorectal Surgery, Baylor University Medical Center, Dallas, Texas.

Michael J Stamos (MJ)

Department of Surgery, Division of Colorectal Surgery, University of California, Irvine, Orange, California.

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Classifications MeSH