Ismael-Guijo-Castellano

Ismael Guijo Castellano

Specialist Physician
Specialty:
General and GI surgery
Serving specialties:
  • Cirugía General y del Aparato Digestivo
E-mail: iguijo@fjd.es
Hospitals where he/she works:
  • Hospital Universitario Fundación Jiménez Díaz
Consultation: Office nº 6 and Oncohealth Office nº 9
Opening times: 9:30 a.m. – 3:00 p.m. (mornings) 4:00 p.m. to 8:30 p.m. (afternoons)
General Information
Experience

- Member of the General Surgery and Digestive Surgery Department at the Fundación Jiménez Díaz Hospital (Quirónsalud) in Madrid, from September 2005 to the present, with a special focus on Colorectal Surgery, Proctology, and Peritoneal Oncology Surgery – Carcinomatosis
- Surgeon assigned to the General Surgery and Digestive Surgery Department at the Severo Ochoa Hospital in Leganés (Madrid), performing on-call duties in the specialty during 2004 and 2005
- Member of the Álvarez de la Marina Surgical Society (General Surgery and Digestive Surgery), with practice in the private practice sector at various centers in Madrid, from October 2001 to December 2005
- Member of the Angiology and Vascular Surgery Unit at the Ruber International Hospital in Madrid, since September 2005 1997 to February 2001
- Professional experience as a General Practitioner in Primary Care and Special Emergency Service 061 (SEU, currently SUMMA 112), during the years 1990 and 1991

Degree

1. Graduated in Medicine and Surgery from the Complutense University of Madrid in 1990 (internship at the Doce de Octubre University Hospital, Madrid)
2. Specialist in General and Digestive System Surgery (MIR) from the Jiménez Díaz Foundation of Madrid, specialized training between January 1992 and December 1996
3. Doctoral courses completed at the Department of Surgery of the Autonomous University of Madrid, completed in 1996
4. University Specialization Degree in Mastology from the Autonomous University of Madrid, General Surgery Service of the FJD (Foundation of Spanish Doctors of Medicine) and the Mastological Studies Foundation (FEMA), directed by Dr. J.M. San Román Terán. Madrid, October 1997 to April 1998
5. Certification for the "First Parisian Pressurized Intraperitoneal Aerosol Chemotherapy (PIPAC) Training Course" held at the Lariboisière Paris University Hospital, obtained in April 2018.
6. University Expert Title in Colorectal Surgery from the CEU-Cardenal Herrera University (25 ECTS credits, 625 hours), obtained in November 2018.
7. Master's Degree in Digestive Oncology from the CEU-Cardenal Herrera University (60 ECTS credits, 1,500 hours), obtained in July 2019.
8. Master's Degree in Medical Forensic Examination and Assessment of Bodily Injury from the CEU-Cardenal Herrera University (60 ECTS credits, 1,500 hours), obtained in December 2022, issued on January 31, 2023. 2023
9. ICH E6 (R2) GOOD CLINICAL PRACTICE STANDARDS Certificate, recognized by the Global Health Training Centre (globalhealthtrainingcentre.org/elearning), on February 12, 2024

Techniques

Open, laparoscopic, and robotic techniques in general surgery, with a special focus on colorectal surgery (especially oncologic surgery), proctology, and techniques related to peritoneal oncologic surgery (carcinomatosis) with cytoreduction and application of hyperthermic intraperitoneal chemotherapy (HIPEC), as well as pressurized intraperitoneal aerosol chemotherapy (PIPAC). Compartmental/psedocompartmental surgery for retroperitoneal sarcomas. Performance of minimally invasive techniques in colorectal surgery.

Research and teaching

Research:

- Collaboration in the ADMIRE-CD study: A phase III study to evaluate the efficacy and safety of expanded allogeneic adipose-derived stem cells (eASCs) for the treatment of perianal fistulizing Crohn's disease. Published in the Lancet, 2016, and long-term results in Diseases of the Colon and Rectum, 2022.
- Participation in the TAUTEM multicenter prospective randomized study on the treatment of superficial T2-T3 rectal adenocarcinomas (N0 M0) with neoadjuvant RT-CT and subsequent transanal resection vs. surgery with total mesorectal excision (2015-2021). Published in Annals of Oncology, 2023, and JAMA Surgery, 2025.
- Participation in the HIPECT4 phase III multicenter randomized clinical trial on the influence of HIPEC in locally advanced colorectal cancer (cT4NxM0) in the absence of carcinomatosis to evaluate the adjuvant effect of hyperthermic chemotherapy with mitomycin C combined with surgery versus surgery alone (2017-2021). Published in JAMA Surgery, 2023.
- GECOP-MMC protocol: National multicenter randomized phase IV trial to evaluate the efficacy of HIPEC with mitomycin-C after complete surgical cytoreduction in patients with peritoneal metastases from colon cancer. Initiated in 2022, pending completion and publication of results.

Teaching:

- Teaching assistant for UAM medical students (4th and 6th years) in hospital settings since 2008.
- Tutor for General and Digestive Surgery Residents from 2014 to the present at HU FJD.
- Professor of the Master's Degree in Proctology, Module on Squamous Carcinoma of the Anus – TECH Spain, CEU Cardenal Herrera (2021).
- Participation as a professor in General and Digestive Surgery courses related to Colorectal Surgery and Proctology, aimed at medical residents, organized by the AEC, since 2015.
- Trainer in Outpatient Minor Surgery and Phlebology courses.


Publications

- Book: Fundamentals and Therapeutic Innovations in Vascular Laser. Madrid: Practical Guides, Grupo Vena Estética, 2002
- Book Chapter: OncoSur Clinical Guide for the Diagnosis and Treatment of Gastrointestinal Stromal Sarcoma (GIST). Chapter 7: Treatment of Patients with Metastatic GIST (I): First-Line Pharmacological Treatment and the Role of Surgery. Madrid, 2013
- Various publications in scientific journals, both as author and contributor

Communications and Presentations

More than 40 communications to national and international conferences (related to General Surgery, Vascular Surgery, Colorectal Surgery and Peritoneal Oncological Surgery)