EDUCATION AND TRAINING:
School of Medicine: General Medicine. UCIMED, 1980-1985.

Residence (Major): Gastroenterology. University of Costa Rica, 1986-1991.

Other Training:
Endoscopy-therapy: Hospital XXI Century of the Social Security. Mexico D.F. 6 months, 1995.

Training in Colongiography, Endoscopic and Related Techniques, Hospital Almejeiros Brothers, Havana, Cuba, 1996. 6 months.

The thirty-first seminar for overseas doctors, Early Gastric Cancer, Digestive related tumors. Sponsored by the Japanese Agency for International Cooperation (JICA). January - March 2000. Tokyo, Japan.

XV Refresher Course, Advances in Gastroenterology, Emphasis on Gastric cancer in infancy. Sponsored by the Japanese Agency for International Cooperation (JICA). February - March, 1996. Santiago, Chile.

Training for gastroenterologists of EUS. Reina Sofia Hospital. Bogota, Colombia. October-December 2003.


PROFESSIONAL EXPERIENCE:

Implemented the "Anti-Gastric Cancer Project",San Juan de Dios Hospital. Duration: 3 years. Gastroscopies: 5000 were conducted for the Early Detection of Gastric Cancer. 1990 to1993.

Faculty of Medicine, University of Central America, 1997 to 1998.

Visiting Professor, UCIMED (University of Medical Sciences) to classes of Gastroenterology.

Established the gastroenterology and endoscopy services of the Clinica Biblical Hospital.1992

Private Practice, Clinica Biblica Hospital.1992 - Present

MEMBERSHIP IN PROFESSIONAL SOCIETIES:

Costa Rican Society of gastroenterology and gastrointestinal endoscopies

AGA (American Gastroenterological Association).

PRESENTATIONS:

Second Congress of Endoscopic Therapy, San Jose Costa Rica, October 2000. Advances in Therapeutic Endoscopy. High digestive bleeding.

Speaker at the Third Congress of Therapeutic Endoscopy, San Jose Costa Rica, October 2001. Progress of therapeutic endoscopy. Using the Argon Plasma Coagulator. Experience with my first 100 patients.

Lecturer, Seventeenth Latin American Congress of Internal Medicine, March 2007

Lecturer, Gastroenterological Congress, Nicaragua, December 2001. Argon Plasma Coagulator use in endoscopy.

Lecturer, Gastroenterological Congress, Nicaragua. December 2001. Endoscopic retrograde cholangiography, A review.

Speaker, XXIX National Mexican Congress of Gastrointestinal Endoscopy, September 2001, Mexico. Applications of Argon Plasma Coagulator.

Congress Speaker, General Hospital of Mexico, Aguas Calientes, Mexico, February 2003. Digestive endotherapy.

Roundtable CEO, Second International Symposium, Hospital Hnos. Amijeiros, Havana, Cuba, 1997. Endoscopy and Gastroenterology.

Series of lectures at the Clinica Biblica Hospital.

1 - Gastric Balloon Advantages and Disadvantages.

2 - Therapeutic Endoscopy Review.

3 - Digestive bleeding Today.

4 - Endoscopic Ultrasound Usefulness.

5 - CPR. A review.

6 - Management of esophageal veins.

7 - Acid peptic disease.

8 - Gastric Cancer. Japanese Vision.

PUBLICATIONS:

Sigaran. M. Chaves, M., Early Gastric Cancer Incidence in Costa Rica. Results of Five Hospitals in the Metropolitan Area. Subject to publication in the Costa Rican Medical Acts.

Miranda, M. Chaves, M. Socioeconomic variables associated with Gastric Cancer in CR Gastroenterology. Vol 106:4 April 1994.

Miranda, M. Chaves, M. The Relationship of Helicobacter Pylori to dysplasia in Gastric Cancer in Costa Rica. Gastroenterology. Vol 106:4, April 1994.

Miranda, M. Chaves, Duran, S. The relationship of Helicobacter pylori to dysplasia in Gastric Cancer in Costa Rica. Gastroenterology. Vol 106:4 April 1994. Presented as poster at the Digestive Week of the American Association of Gastroenterology, New Orleans USA, May 1994.

Miranda, M. Chaves, M. Socioeconomic variables associated with Gastric Cancer in CR Gastroenterology. Vol 106:4. Presented as poster at the Digestive Week of the American Association of Gastroenterology, New Orleans USA, May 1994.

Chaves, M. Study on the pathogenic factors of gastric cancer in CR Oral presentation at the National Medical LIV Congress, Puntarenas, Costa Rica in, November 1993.