Improvement in Surgical Outcomes Using 3-Dimensional Printed Models for Lateral Pelvic Lymph Node Dissection in Rectal Cancer.


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 Apr 2022
Historique:
pubmed: 15 11 2021
medline: 3 5 2022
entrez: 14 11 2021
Statut: ppublish

Résumé

Lateral pelvic lymph node dissection for rectal cancer is challenging due to the complexity of the pelvic wall anatomy, and incomplete lateral pelvic lymph node dissection may result in local recurrence in the lateral pelvis. Although 3-dimensional printed organ models are useful for understanding spatial anatomy, it is currently unclear whether they improve surgical outcomes. We aimed to assess whether the surgical effectiveness of lateral pelvic lymph node dissection is increased by the use of individualized 3-dimensional printed pelvic models. This was a retrospective study using a propensity matching analysis. This study was conducted at a university hospital in Japan. In total, 115 patients comprising 184 pelvic sides (right, 85 sides; left, 99 sides) who underwent lateral pelvic lymph node dissection for colorectal adenocarcinoma between January 2012 and December 2019 were enrolled. We compared surgical outcomes using 3-dimensional printed pelvic models with control outcomes. The primary outcome was the number of harvested lateral pelvic lymph nodes on 1 pelvic side after the propensity matching analysis. After matching, 35 pelvic sides each were allocated to the 3-dimensional model and control groups, and no significant differences were observed in patient characteristics between the 2 groups. The number of harvested lateral pelvic lymph nodes was significantly higher in the 3-dimensional model group (median, 9; range, 3-16) than in the control group (median, 6; range, 0-22; p = 0.047). This was a retrospective study using propensity score matching. However, historical backgrounds were not matched, and the majority of lateral pelvic lymph node dissection procedures in the 3-dimensional model group were recently performed. This limitation may have influenced surgical outcomes. The present study demonstrated that, by referring to individualized 3-dimensional printed pelvic models, colorectal surgeons harvested a larger number of lateral pelvic lymph nodes during lateral pelvic lymph node dissection. This result suggests that 3-dimensional printed models help surgeons to complete more detailed procedures. See Video Abstract at http://links.lww.com/DCR/B776. ANTECEDENTES:La disección lateral de los ganglios linfáticos de la pelvis en el cáncer de recto es un desafío debido a la complejidad de la anatomía de la pared pélvica; la disección incompleta de las mismas puede resultar en una recidiva local en dicha zona. Aunque la impresión tridimensional de modelos de órganos es útil para comprender la estructura anatómica espacial, actualmente no está claro si mejoran los resultados quirúrgicos.OBJETIVO:Nuestro objetivo fue evaluar si la efectividad quirúrgica de la disección de los ganglios linfáticos laterales de la pelvis aumenta mediante el uso individualizado de modelos pélvicos impresos en 3D.DISEÑO:Este fue un estudio retrospectivo que utilizó un análisis de coincidencia de propensión.AJUSTE:Este estudio se realizó en un hospital universitario de Japón.PACIENTES:En total, se enrolaron 115 pacientes que comprendían 184 lados pélvicos (85 de lado derecho; 99 de lado izquierdo) que fueron sometidas a disección lateral de ganglios linfáticos de la pelvis por adenocarcinoma colorrectal entre enero de 2012 y diciembre de 2019.INTERVENCIONES:Comparamos los resultados quirúrgicos mediante modelos pélvicos tridimensionales impresos con los resultados de control.PRINCIPALES MEDIDAS DE RESULTADO:El resultado primario fue el número de ganglios linfáticos laterales pélvicos extraídos en un lado pélvico después del análisis de coincidencia de propensión.RESULTADOS:Después del emparejamiento, se asignaron 35 lados pélvicos cada uno, tanto al modelo tridimensional como al grupo de control; no se observaron diferencias significativas con respecto a las características de los pacientes entre los dos grupos. El número de ganglios linfáticos pélvicos laterales extraídos fue significativamente mayor en el grupo del modelo tridimensional (mediana, 9; rango 3-16) que en el grupo de control (mediana, 6; rango, 0-22) (p = 0.047).LIMITACIONES:Este fue un estudio retrospectivo que utilizó el emparejamiento por puntuación de propensión. Sin embargo, antecedentes históricos no fueron encontrados y la mayoría de los procedimientos de disección de los ganglios linfáticos laterales pélvicos en el grupo del modelo tridimensional se realizaron recientemente. Esta limitación pudo haber influido en los resultados quirúrgicos.CONCLUSIONES:El presente estudio demostró que al referirse a modelos pélvicos individualizados impresos en 3D, los cirujanos colorrectales recolectaron un mayor número de ganglios linfáticos laterales de la pelvis durante la disección lateral. Este resultado sugiere que los modelos tridimensionales impresos ayudan a los cirujanos a completar procedimientos más detallados. Consulte Video Resumen en http://links.lww.com/DCR/B776.

Sections du résumé

BACKGROUND BACKGROUND
Lateral pelvic lymph node dissection for rectal cancer is challenging due to the complexity of the pelvic wall anatomy, and incomplete lateral pelvic lymph node dissection may result in local recurrence in the lateral pelvis. Although 3-dimensional printed organ models are useful for understanding spatial anatomy, it is currently unclear whether they improve surgical outcomes.
OBJECTIVE OBJECTIVE
We aimed to assess whether the surgical effectiveness of lateral pelvic lymph node dissection is increased by the use of individualized 3-dimensional printed pelvic models.
DESIGN METHODS
This was a retrospective study using a propensity matching analysis.
SETTINGS METHODS
This study was conducted at a university hospital in Japan.
PATIENTS METHODS
In total, 115 patients comprising 184 pelvic sides (right, 85 sides; left, 99 sides) who underwent lateral pelvic lymph node dissection for colorectal adenocarcinoma between January 2012 and December 2019 were enrolled.
INTERVENTIONS METHODS
We compared surgical outcomes using 3-dimensional printed pelvic models with control outcomes.
MAIN OUTCOME MEASURES METHODS
The primary outcome was the number of harvested lateral pelvic lymph nodes on 1 pelvic side after the propensity matching analysis.
RESULTS RESULTS
After matching, 35 pelvic sides each were allocated to the 3-dimensional model and control groups, and no significant differences were observed in patient characteristics between the 2 groups. The number of harvested lateral pelvic lymph nodes was significantly higher in the 3-dimensional model group (median, 9; range, 3-16) than in the control group (median, 6; range, 0-22; p = 0.047).
LIMITATIONS CONCLUSIONS
This was a retrospective study using propensity score matching. However, historical backgrounds were not matched, and the majority of lateral pelvic lymph node dissection procedures in the 3-dimensional model group were recently performed. This limitation may have influenced surgical outcomes.
CONCLUSION CONCLUSIONS
The present study demonstrated that, by referring to individualized 3-dimensional printed pelvic models, colorectal surgeons harvested a larger number of lateral pelvic lymph nodes during lateral pelvic lymph node dissection. This result suggests that 3-dimensional printed models help surgeons to complete more detailed procedures. See Video Abstract at http://links.lww.com/DCR/B776.
MEJORA DE LOS RESULTADOS QUIRRGICOS MEDIANTE EL USO DE MODELOS IMPRESOS EN D PARA LA DISECCIN LATERAL DE LOS GANGLIOS LINFTICOS PLVICOS EN EL CNCER DE RECTO UNASSIGNED
ANTECEDENTES:La disección lateral de los ganglios linfáticos de la pelvis en el cáncer de recto es un desafío debido a la complejidad de la anatomía de la pared pélvica; la disección incompleta de las mismas puede resultar en una recidiva local en dicha zona. Aunque la impresión tridimensional de modelos de órganos es útil para comprender la estructura anatómica espacial, actualmente no está claro si mejoran los resultados quirúrgicos.OBJETIVO:Nuestro objetivo fue evaluar si la efectividad quirúrgica de la disección de los ganglios linfáticos laterales de la pelvis aumenta mediante el uso individualizado de modelos pélvicos impresos en 3D.DISEÑO:Este fue un estudio retrospectivo que utilizó un análisis de coincidencia de propensión.AJUSTE:Este estudio se realizó en un hospital universitario de Japón.PACIENTES:En total, se enrolaron 115 pacientes que comprendían 184 lados pélvicos (85 de lado derecho; 99 de lado izquierdo) que fueron sometidas a disección lateral de ganglios linfáticos de la pelvis por adenocarcinoma colorrectal entre enero de 2012 y diciembre de 2019.INTERVENCIONES:Comparamos los resultados quirúrgicos mediante modelos pélvicos tridimensionales impresos con los resultados de control.PRINCIPALES MEDIDAS DE RESULTADO:El resultado primario fue el número de ganglios linfáticos laterales pélvicos extraídos en un lado pélvico después del análisis de coincidencia de propensión.RESULTADOS:Después del emparejamiento, se asignaron 35 lados pélvicos cada uno, tanto al modelo tridimensional como al grupo de control; no se observaron diferencias significativas con respecto a las características de los pacientes entre los dos grupos. El número de ganglios linfáticos pélvicos laterales extraídos fue significativamente mayor en el grupo del modelo tridimensional (mediana, 9; rango 3-16) que en el grupo de control (mediana, 6; rango, 0-22) (p = 0.047).LIMITACIONES:Este fue un estudio retrospectivo que utilizó el emparejamiento por puntuación de propensión. Sin embargo, antecedentes históricos no fueron encontrados y la mayoría de los procedimientos de disección de los ganglios linfáticos laterales pélvicos en el grupo del modelo tridimensional se realizaron recientemente. Esta limitación pudo haber influido en los resultados quirúrgicos.CONCLUSIONES:El presente estudio demostró que al referirse a modelos pélvicos individualizados impresos en 3D, los cirujanos colorrectales recolectaron un mayor número de ganglios linfáticos laterales de la pelvis durante la disección lateral. Este resultado sugiere que los modelos tridimensionales impresos ayudan a los cirujanos a completar procedimientos más detallados. Consulte Video Resumen en http://links.lww.com/DCR/B776.

Identifiants

pubmed: 34775410
doi: 10.1097/DCR.0000000000002327
pii: 00003453-202204000-00018
doi:

Types de publication

Journal Article Video-Audio Media

Langues

eng

Sous-ensembles de citation

IM

Pagination

566-573

Informations de copyright

Copyright © The ASCRS 2021.

Références

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Auteurs

Daisuke Hojo (D)

Department of Surgical Oncology, Faculty of Medicine, The University of Tokyo, Tokyo, Japan.

Koji Murono (K)

Department of Surgical Oncology, Faculty of Medicine, The University of Tokyo, Tokyo, Japan.

Hiroaki Nozawa (H)

Department of Surgical Oncology, Faculty of Medicine, The University of Tokyo, Tokyo, Japan.

Kazushige Kawai (K)

Department of Surgical Oncology, Faculty of Medicine, The University of Tokyo, Tokyo, Japan.

Keisuke Hata (K)

Department of Surgical Oncology, Faculty of Medicine, The University of Tokyo, Tokyo, Japan.

Toshiaki Tanaka (T)

Department of Surgical Oncology, Faculty of Medicine, The University of Tokyo, Tokyo, Japan.

Koji Oba (K)

Department of Biostatistics, School of Public Health, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan.

Soichiro Ishihara (S)

Department of Surgical Oncology, Faculty of Medicine, The University of Tokyo, Tokyo, Japan.

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