Man

José Tomás Larach Kattan

Profesor asistente

Pontificia Universidad Católica de Chile

chile, Chile

Líneas de Investigación


Investigación clínica en cirugía del cáncer de colon y recto y resultados de la cirugía mínimamente invasiva colorrectal.

Educación

  •  médico cirujano, Universidad de los Andes. Chile, 2008
  •  cirugía general, PONTIFICIA UNIVERSIDAD CATOLICA DE CHILE. Chile, 2012
  •  Cirugía colorrectal, PONTIFICIA UNIVERSIDAD CATOLICA DE CHILE. Chile, 2014
  •  Oncología Quirúrgica Colorrectal, Peter MacCallum Cancer Centre. Australia, 2020
  •   Cirugía Robótica Colorrectal, Peter MacCallum Cancer Centre. Australia, 2021
  •  Oncología Quirúrgica Colorrectal Avanzada, Peter MacCallum Cancer Centre . Australia, 2022
  •  Implementación y Desarrollo de la Cirugía Robótica del Cáncer Colorrectal, University of Melbourne. Australia, 2023

Experiencia Académica

  •   profesor asistente Full Time

    PONTIFICIA UNIVERSIDAD CATOLICA DE CHILE

    Facultad de medicina

    santiago, Chile

    2025 - A la fecha

Experiencia Profesional

  •   Cirujano coloproctologo Other

    Red de salud UC christus

    santiago, Chile

    2015 - A la fecha

  •   Director de Programa de Cirugía Robótica Other

    Red de salud UC christus

    santiago, Chile

    2024 - A la fecha

  •   Coordinador de Investigación Other

    Departamento de Cirugía, Pontificia Universidad Católica de Chile

    Chile

    2023 - A la fecha

Formación de Capital Humano


El Dr. José Tomás Larach cuenta con experiencia consolidada en la formación de capital humano en el ámbito de la cirugía colorrectal y la investigación clínica aplicada. Es Coordinador de Investigación del Departamento de Cirugía Digestiva de la Pontificia Universidad Católica de Chile desde 2023, rol desde el cual supervisa activamente proyectos de investigación de alumnos de medicina, becados de cirugía general, coloproctología y becados de investigación. A la fecha ha supervisado tesis de magíster de 4 alumnos de postgrado, con otros 2 en curso actualmente. Asimismo, participa como docente en pabellón, endoscopía y en comités de examen de becados de coloproctología, y es tutor de alumnos de 3° y 4° año de medicina en cursos integrados de clínicas. En el marco de este proyecto, se contempla la participación de estudiantes de pregrado de medicina en actividades de recolección y análisis de datos, contribuyendo a su formación en metodología de investigación clínica.


Difusión y Transferencia


El Dr. José Tomás Larach cuenta con una trayectoria consolidada en difusión científica, con 80 publicaciones indexadas en Web of Science, índice h de 16, más de 40 trabajos presentados en congresos nacionales y más de 20 a nivel internacional. Ha participado activamente en cursos y congresos de cirugía colorrectal tanto en Chile como en el extranjero, incluyendo presentaciones en el Congreso Chileno de Cirugía, Jornadas de la Sociedad Chilena de Coloproctología y congresos latinoamericanos e internacionales.
En el ámbito de la transferencia, el Dr. Larach ha dirigido instancias de extensión de alto impacto, como el Curso Internacional "Nuevas Fronteras en Cirugía Mínimamente Invasiva" (2025) y el Congreso Internacional Latinoamericano de Neoplasias Peritoneales (2024), contribuyendo a la formación y actualización de cirujanos a nivel nacional y regional. Asimismo, ha contribuido a la incorporación de nuevas técnicas quirúrgicas en centros públicos y privados del país, promoviendo la transferencia de conocimiento desde la academia hacia la práctica clínica.


Premios y Distinciones

  •   University of Melbourne Graduate Research Scholarship

    UNIVERSITY OF MELBOURNE

    Australia, 2021

    Beca por méritos para cubrir programa de MPhil por 90.000 dólares Australianos.

  •   Beca Braun

    PONTIFICIA UNIVERSIDAD CATOLICA DE CHILE

    Chile, 2020

    2020- 2022: Beca Braun para estudios en el extranjero

  •   Educational Grant

    Device Technologies

    Australia, 2020

    2020 : Educational Grant, Device Technologies, Australia

  •   Robotic Colorectal Surgery Clinical/Research Fellowship

    Peter MacCallum Cancer Centre y Epworth Healthcare

    Chile, 2020

    beca por méritos que cubrió un programa de AUD $60.000.


 

Article (21)

Appraisal of the robotic approach to beyond-TME via video-based materials; a systematic review and evaluation utilising the IDEAL framework

O'Connell, LV; Mansour, KP; Larach, JT; Nilsen, OJ; Slavec, MJ; Jiang, WL; Apte S.S.; Waters P.S.; Kong J.C.; Heriot A.G.; et al.

Article ISI
 (2025)

Development of a simulation-based laparoscopic ventral rectopexy module: skills training for minimally invasive pelvic surgery

Zuñiga, H; Jarry, C; Salas R.; Machuca E.; Larach, JT; Molina M.E.; Varas J

Article ISI SCOPUS
Surgical Endoscopy  (2025)

The Utility of T2-Weighted MRI Radiomics in the Prediction of Post-Exenteration Disease Recurrence: A Multi-Centre Externally Validated Study via the PelvEx Collaborative

O'Sullivan, NJ; Kyle, ET; Alvarado J.; Ajredini, M; Asencio J.M.; Aytac E.; Atabey, R; Barlik, F; Bedrikovetski, S; Besa C.; et al.

Article ISI
 (2025)

Clinical features and prognosis of malignant small bowel tumors: Experience from a university hospital in Chile

Silva, Felipe; Bustamante, Miguel; Latorre, Gonzalo; Flandez, Jorge; Montero, Isabella; Dukes, Eitan; Gandara, Vicente; Robles, Camila; Uribe, Javier; Iglesias, Andres; et al.

Article ISI SCOPUS
Gastroenterologia y Hepatologia  (2024)

Consistency between POLARS and LARS scores regarding the incidence of low anterior resection syndrome in a Chilean population undergoing rectal surgery secondary to cancer in a high-volume hospital

Gaete, M. I.; Moreno D.; Iglesias, A; Navarro F.; Dreyse J.; Cerda J.; Duran V.; Molina, M. E.; Miguieles R.; Urrejola G.; et al.

Article ISI SCOPUS
Colorectal Disease  (2024)

Laparoscopic extended right colectomy with complete mesocolic excision and en bloc splenectomy for a distal transverse colon cancer-A video vignette

Vela, J.; Riquoir C.; Alvarado J.; Besser N.; Larach, JT

Article ISI SCOPUS
Colorectal Disease  (2024)

A successful multidisciplinary approach to a recurrent ischiorectal fossa sarcoma

Iglesias, A; Moreno D.; Chacón, E; Rodriguez J.R.; Larach, JT

Article ISI
 (2023)

Impact of the approach on conversion to open surgery during minimally invasive restorative total mesorectal excision for rectal cancer

Larach, JT; Kong, JS; Flynn J.; Wright T.; Mohan H.; Waters P.S.; McCormick J.J.; Warrier S.K.; Heriot A.G.

Article ISI SCOPUS
International Journal of Colorectal Disease  (2023)

Robotic versus laparoscopic proctectomy: a comparative study of short-term economic and clinical outcomes

Larach, JT; Flynn J.; Tew, M; Fernando D.; Apte S.; Mohan H.; Kong, JS; McCormick J.J.; Warrier S.K.; Heriot A.G.

Article ISI SCOPUS
International Journal of Colorectal Disease  (2023)

Robotic beyond total mesorectal excision surgery for primary and recurrent pelvic malignancy: Feasibility and short-term outcomes

Larach, JT; Flynn J.; Fernando D.; Mohan H.; Rajkomar A.; Waters P.S.; Kong J.; McCormick J.J.; Heriot A.G.; Warrier S.K.

Article SCOPUS
Colorectal Disease  (2022)

Robotic complete mesocolic excision versus conventional robotic right colectomy for right-sided colon cancer: a comparative study of perioperative outcomes

Larach, JT; Flynn J.; Wright T.; Rajkomar A.K.S.; McCormick J.J.; Kong J.; Smart P.J.; Heriot A.G.; Warrier S.K.

Article ISI SCOPUS
Surgical Endoscopy  (2022)

Robotic pelvic side-wall dissection and en-bloc excision for locally advanced and recurrent rectal cancer: outcomes on feasibility and safety

Lokuhetty N.; Larach, JT; Rajkomar A.K.S.; Mohan H.; Waters P.S.; Heriot A.G.; Warrier S.K.

Article SCOPUS
ANZ Journal of Surgery  (2022)

Are we doing enough to assess surgical quality in advanced colon and rectal cancer?

Warrier S.K.; Larach, JT; Kong J.C.H.; Waters P.S.; Smart P.J.; McCormick J.J.; Heriot A.G.

Article SCOPUS
ANZ Journal of Surgery  (2021)

Beyond transanal total mesorectal excision: short-term outcomes of transanal total mesorectal excision in locally advanced rectal cancer requiring resection beyond total mesorectal excision

Larach, JT; Rajkomar A.K.S.; Smart P.J.; McCormick J.J.; Heriot A.G.; Warrier S.K.

Article SCOPUS
Colorectal Disease  (2021)

Fellowship training in robotic colorectal surgery within the current hospital setting: an achievable goal?

Waters P.S.; Flynn J.; Larach, JT; Fernando D.; Peacock O.; Foster J.D.; Flood M.; McCormick J.J.; Warrier S.K.; Heriot A.G.

Article SCOPUS
ANZ Journal of Surgery  (2021)

Robotic colorectal surgery in Australia: evolution over a decade

Larach, JT; Flynn J.; Kong, JS; Waters P.S.; McCormick J.J.; Murphy D.; Stevenson A.; Warrier S.K.; Heriot A.G.

Article ISI SCOPUS
ANZ Journal of Surgery  (2021)

Robotic complete mesocolic excision and central vascular ligation for right-sided colon cancer: short-term outcomes from a case series

Larach, JT; Rajkomar A.K.S.; Narasimhan V.; Kong J.; Smart P.J.; Heriot A.G.; Warrier S.K.

Article SCOPUS
ANZ Journal of Surgery  (2021)

Ileal pouch-anal anastomosis in ulcerative colitis: outcomes, functional results, and quality of life in patients with more than 10-year follow-up

Alexander E.; Urrejola G.; Larach, T; Miguieles R.; Bellolio F.

Article ISI SCOPUS
International Journal of Colorectal Disease  (2020)

Robotics and transanal total mesorectal excision

Larach, JT; Warrier S.K.

Article SCOPUS
Annals of Laparoscopic and Endoscopic Surgery  (2020)

Using taTME to maintain restorative options in locally advanced rectal cancer: A technical note

Larach, JT; Waters P.S.; McCormick J.J.; Heriot A.G.; Smart P.J.; Warrier S.K.

Article SCOPUS
International Journal of Surgery Case Reports  (2020)

Factors associated with early morbidity in laparoscopic colorectal surgery

Gellona J.; Miguieles R.; Espinola, D; Urrejola G.; Inostroza G.; Zuniga J.M.; Larach, T; Bellolio F.; Zuniga, A.

Article ISI
REVISTA CHILENA DE CIRUGIA  (2013)

EditorialMaterial (3)

Colopleural fistula as a rare presentation of mucormycotic infection

Jarry, C; Rissios, JP; Vela, J.; Solovera M.E.; Bannura F.; Larach, JT

EditorialMaterial ISI SCOPUS
ANZ Journal of Surgery  (2024)

Complete mesocolic excision and central vascular ligation for transverse colon cancer: intraoperative quality landmarks following resection

Alvarado J.; Besser N.; Mohan H.; Heriot A.; Warrier S.; Larach, JT

EditorialMaterial ISI SCOPUS
ANZ Journal of Surgery  (2024)

How to do a robotic lateral pelvic side wall dissection for rectal cancer

Jiang W.; Lokuhetty N.; Mohan H.M.; Larach, JT; Waters P.; Heriot A.G.; Warrier S.K.

EditorialMaterial ISI SCOPUS
ANZ Journal of Surgery  (2022)

Letter (4)

Laparoscopic extended right colectomy with complete mesocolic excision and en bloc partial gastrectomy for locally advanced mid-transverse colon cancer-A video vignette

Vela, J.; Riquoir C.; Palacios F.; Riveros S.; Larach, JT; Besser N.

Letter ISI SCOPUS
Colorectal Disease  (2024)

Hybrid robotic and laparoscopic hand-assisted proctocolectomy with complete mesocolic excision, ileal pouch–anal anastomosis and loop ileostomy – A video vignette

Wang J.; Mohan H.; Larach, JT; Heriot A.; Warrier S.

Letter SCOPUS
Colorectal Disease  (2022)

Refining the art of the robotic TAMIS – A video vignette

Jones M.E.; Mohan H.M.; Rajkomar A.K.S.; Larach, JT; Warrier S.K.

Letter SCOPUS
Colorectal Disease  (2022)

Robotic total pelvic exenteration with en bloc pelvic side wall clearance and internal iliac artery resection – A Video Vignette

Cole E.; Huang D.; Larach, JT; Rajkomar A.; Farmer K.C.; Warrier S.

Letter SCOPUS
Colorectal Disease  (2022)

Note (8)

Application of a hybrid robotic and transanal total mesorectal excision approach to resect a bulky low rectal gastrointestinal stromal tumour

Rajabifard P.; Larach, JT; Mohan H.; Heriot A.G.; Warrier S.K.

Note SCOPUS
ANZ Journal of Surgery  (2022)

Cytoreductive surgery and concomitant hyperthermic thoracoabdominal chemotherapy for pseudomyxoma peritonei with abdominal and pleural involvement

Fernando D.; Larach, JT; Flood M.P.; Warrier S.K.; McCormick J.J.; Heriot A.G.; Waters P.S.

Note SCOPUS
ANZ Journal of Surgery  (2022)

Pre-emptive femoral-femoral crossover and subsequent resection of locally recurrent colon cancer with multiorgan involvement including the common iliac vessels

Guiney N.; Larach, JT; Soucisse M.L.; Waters P.S.; Warrier S.K.; Wagner T.; Heriot A.G.; McCormick J.J.

Note SCOPUS
ANZ Journal of Surgery  (2022)

Resection of an abdominal wall rectal cancer recurrence with posterior component separation and transverse abdominis release following image-guided botulinum toxin A injection

Canny D.; Larach, JT; Mohan H.; Warrier S.K.; McCormick J.J.; Heriot A.G.; Waters P.S.

Note SCOPUS
ANZ Journal of Surgery  (2022)

Retroperitoneal lymph node dissection as salvage surgery in metachronous nodal recurrence in colorectal cancer

Xu J.; Larach, JT; Mohan H.; Heriot A.G.; Warrier S.

Note SCOPUS
ANZ Journal of Surgery  (2022)

Transanal total mesorectal excision and robotic ultra-low anterior resection with en bloc left seminal vesicle excision: a video vignette

Jones M.E.; Mohan H.M.; Larach, JT; Apte S.; Heriot A.G.; Warrier S.K.

Note SCOPUS
Colorectal Disease  (2022)

Utilization of a transanal approach to facilitate beyond total mesorectal excision dissection including en bloc subcortical high sacrectomy for locally recurrent rectal cancer

Gearing P.F.; Larach, JT; Mohan H.; Cohen, L.; Heriot A.G.; Warrier S.K.

Note SCOPUS
ANZ Journal of Surgery  (2022)

Anastomosis following low anterior resection: does one size fit all?

De Bono J.A.; Larach, JT; Singh P.; Kong J.C.; Smart P.J.; Heriot A.G.; Warrier S.K.

Note SCOPUS
ANZ Journal of Surgery  (2021)

Review (10)

Learning curve of minimally invasive complete mesocolic excision for right-sided colon cancer: a systematic review

Jarry, C; Riquoir C.; Vela, J.; Bellolio F.; Warrier S.; Heriot A.; Larach, JT

Review ISI SCOPUS
Surgical Endoscopy  (2025)

Complete mesocolic excision versus standard resection for colon cancer: a systematic review and meta-analysis of perioperative safety and an evaluation of the use of a robotic approach

Xu J.; Mohan H.M.; Fleming, C; Larach, JT; Apte S.S.; Cohen, LCL; Miskovic, D; Jiang W.; Heriot A.G.; Warrier S.K.

Review ISI SCOPUS
Techniques in Coloproctology  (2023)

Robotic pelvic side-wall lymph node dissection for rectal cancer: a systematic review of videos and application of the IDEAL 2A framework

Mansour, KP; Mohan H.M.; Jiang W.; Waters P.S.; Larach, JT; Apte S.S.; Kong J.C.; Heriot A.G.; Warrier S.K.

Review ISI SCOPUS
Journal of Robotic Surgery  (2023)

A systematic review and meta-analysis of robotic resections for diverticular disease

Larkins K.; Mohan H.; Apte S.S.; Chen V.; Rajkomar A.; Larach, JT; Smart P.; Heriot A.; Warrier S.

Review ISI SCOPUS
Colorectal Disease  (2022)

Application of minimally invasive approaches to pelvic exenteration for locally advanced and locally recurrent pelvic malignancy - A narrative review of outcomes in an evolving field

Casey L.; Larach, JT; Waters P.S.; Kong J.C.H.; McCormick J.J.; Heriot A.G.; Warrier S.K.

Review ISI SCOPUS
European Journal of Surgical Oncology  (2022)

Patient-Related Functional Outcomes After Robotic-Assisted Rectal Surgery Compared With a Laparoscopic Approach: A Systematic Review and Meta-analysis

Flynn J.; Larach, JT; Kong J.C.H.; Waters P.S.; McCormick J.J.; Warrier S.K.; Heriot A.

Review ISI SCOPUS
Diseases of the Colon and Rectum  (2022)

Oncological reasons for performing a complete mesocolic excision: a systematic review and meta-analysis

Kong J.C.; Prabhakaran S.; Choy K.T.; Larach, JT; Heriot A.; Warrier S.K.

Review ISI SCOPUS
ANZ Journal of Surgery  (2021)

Robotic versus laparoscopic ileal pouch-anal anastomosis (IPAA): a systematic review and meta-analysis

Flynn J.; Larach, JT; Kong J.C.H.; Warrier S.K.; Heriot A.

Review SCOPUS
International Journal of Colorectal Disease  (2021)

Robotic versus laparoscopic ventral mesh rectopexy: a systematic review and meta-analysis

Flynn J.; Larach, JT; Kong J.C.H.; Warrier S.K.; Heriot A.

Review SCOPUS
International Journal of Colorectal Disease  (2021)

The learning curve in robotic colorectal surgery compared with laparoscopic colorectal surgery: a systematic review

Flynn J.; Larach, JT; Kong J.C.H.; Waters P.S.; Warrier S.K.; Heriot A.

Review SCOPUS
Colorectal Disease  (2021)

1
Arnoldo Riquelme

Profesor titular

Gastroenterología

PONTIFICIA UNIVERSIDAD CATÓLICA DE CHILE, DEPARTAMENTO DE GASTROENTEROLOGÍA

Santiago, Chile

1
Jaime Cerda

Profesor Asociado

Salud Pública

Pontificia Universidad Católica de Chile

Santiago, Chile

4
Felipe Bellolio

Cirujano coloproctólogo, Profesor Asistente

Cirugía Digestiva

Pontificia Universidad Católica de Chile

Santiago, Chile

46
José Larach

Profesor asistente

Departamento de Cirugía Digestiva

Pontificia Universidad Católica de Chile

chile, Chile

1
Leonardo Carcamo

Profesor Auxiliar

Facultad de Medicina

Universidad Austral de Chile

Valdivia, Chile