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 Santiago
A. Rosado, M.D. F.A.C.P., F.A.C.G. is certified by the American
Board of Internal Medicine and Board Certified in Gastroenterology.
After attending the University of Florida and the University of
Puerto Rico, for his undergraduate degree, he pursued medicine at
the Ponce School of Medicine in Puerto Rico. He completed his residency
at the Cleveland Clinic Foundation in Ohio between 1986-1989 and
later completed his Fellowship at Guthrie Clinic Limited in Pennsylvania.
In the summer of 1991 he established his practice at G.I. Associates.
In January, 2002, he became a Fellow of the American College of
Physicians.
- Case
Report: "Hemorrhagic Ascites Secondary to Endometriosis"
Journal of Clinical Gastroenterology, August, 1989, Vol
II, Numeral 4, pp 458-460.
- Elective
at University of London, England Hammersmith Hospital with
Dr. H.J.K. Hodgson 1989.
- "Usefulness
of RBC Scan in Lower GI Bleeding" (Guthrie Clinical Journal
of Medicine).
- "Monitoring
During and Post Endoscopic Procedures".
- "ERCP
and Abdominal Pain of Unknown Etiology" (with Dr. Michael
Sivak, Cleveland Clinic - submitted to Gastrointestinal
Endoscopy).
- Rebetrol
/ Intron A (Schering) Hepatitis C study, 1990.
- INKP
100 (Inkinc) Colonoscopy Prep (Bowel Cleanser) January-March,
1999.
- Peg
Intron, February 2001 - 2003
 Steven
Yu Villanueva, M.D. is certified by the American Board of Internal
Medicine. Dr. Villanueva is also Board Certified in Gastroenterology
and Hepatology. In 1988, he began his residency at Guthrie Medical
Center in Pennsylvania and later pursued his fellowship there. From
1986-1988, Dr. Villanueva did a Fellowship at the University of
Miami School of Medicine Jackson Memorial Hospital, where he did
clinical research in Hepatology. After working at Charles Cole Memorial
Hospital in Pennsylvania, he joined G.I. Associates in 1995.
Research
-
- Evaluation
of somastatin in esophageal variceal bleeding, 1986.
- Treatment
of chronic type B hepatitis with Interferon alfa-2b, 1986-88.
- Evaluation
of Interferon alfa-2b, alone and following Prednisone withdrawal
in chronic type B hepatitis, 1986-88.
- Evaluation
of Interferon alfa-2b for chronic non-A, non-B hepatitis,
1987-88.
- Rebetrol
/ Intron A (Schering) Hepatitis C study, 1990.
- INKP
100 (Inkinc) Colonoscopy Prep (Bowel Cleanser) January-March,
1999.
- Peg
Intron, February 2001 - 2003
 Timothy
J. Cavacini, D.O. is certified by the American Board of Internal
Medicine and Board Certified in Gastroenterology. After graduating
from Rutgers College in 1986 with a B.A. in Biology, Dr. Cavacini
continued his education at the Philadelphia College of Osteopathic
Medicine and became a doctor of Osteopathy. In 1991, Dr. Cavacini
completed his rotating internship at Lewistown Hospital in Pennsylvania.
He began his residency at Geisinger Medical Center and completed
his medical training with a Gastroenterology fellowship at Robert
Packer Hospital/Guthrie Clinic, also in Pennsylvania. Dr. Cavacini
joined G.I. Associates in 1996.
Research
-
- Rebetrol
/ Intron A (Schering) Hepatitis C study, 1990.
- INKP
100 (Inkinc) Colonoscopy Prep (Bowel Cleanser) January-March,
1999.
- Peg
Intron, February 2001 - 2003
 Stuart
A. Soroka, M.D. is certified by
the American Board of Internal Medicine and Board Certified
in Gastroenterology.
After graduating from the University of Flordia in 1990, Dr. Soroka
attended medical school at University of Miami School of Medicine
from 1990-1994. At Emory University School of Medicine Dr. Soroka
completed his Internship in Internal Medicine from 1994-1995. He
completed his Residency in Internal Medicine from 1995-1997 and
he completed his Fellowship in Gastroenterology at Emory University
School of Medicine from 1997-2000. Dr. Soroka joined G.I. Associates
in 2000.
Research
-
- The
Prevalence of Hepatitis B Antigenicity in Homeless Patients
Visiting a Homeless Shelter in Miami: Presented at the 1992
Eastern Student Research forum.
- Prevalence
of Hepatitis and Retrovirus Among the Homeless in the City
of Miami, Fl Abstract: 1992 conference of the American Association
for the Study of Liver Diseases .
- Serum
Hyaluronic Acid as a Marker of Liver Injury in Veno-Occlusive
Disease Following Bone. Marrow Transplantation Abstract:
1996 conference of the American Association for the Study
of Liver Diseases.
- Intestinal
Spirochetes as a Cause of Diarrhea in HIV Patients Poster
Presentation at the 1998 American College of Gastroenterology.
- Helicobacter
Pylori Resistance Patterns.
- Peg
Intron, February 2001 - 2003
 Daniel
J. Gassert, M.D. is
certified by the American Board of Internal Medicine and Board Certified in Gastroenterology. After graduating
with honors from Duke University, Dr. Gassert received his medical
degree from New York University School of Medicine in 2000. While
at NYU, he was elected to Alpha Omega Alpha, the national medical
school honor society. Dr. Gassert trained at New York-Presbyterian
Hospital/Cornell University and Memorial Sloan-Kettering Cancer
Center for his internal medicine residency. He completed a three-year
Fellowship in Gastroenterology at Montefiore Medical Center/Albert
Einstein College of Medicine. Dr. Gassert joined G.I. Associates
in 2006.
Research
-
- “Corticosteroid-Responsive Cryptogenic Chronic Hepatitis: Evidence for Seronegative Autoimmune Hepatitis,” Digestive Diseases and Sciences, in press
- “Pseudolipomatosis
Polyposis,” Gastrointestinal Endoscopy, July 2006.
- “Efficacy
of Corticosteroid Therapy for Cryptogenic Chronic Hepatitis”
- Oral Presentation, Mayo Clinic GI Course, 2006.
Poster Presentation, American Association for the Study of Liver Diseases, 2004.
- “Clinical
Innovations in EUS,” DDW 2006, World Organization of
Digestive Endoscopy:
OMED Website.
- “Reduction
in Gastroesophageal Reflux in Patients Treated with CPAP
for Obstructive Sleep Apnea: A Prospective Trial,”
- Poster Presentation, American College of Gastroenterology,
2006.
- Presidental Poster Award Recipent
- Hepatology
Elective, University of Barcelona, Spain, 2003.
 William J Barlow, M.D. is certified by the American Board of Internal Medicine. Dr. Barlow graduated from college and medical school from the University of Kansas. In 1999, he began his residency at Tulane University in New Orleans, Louisiana. After completing residency he spent 2 years conducting clinical and basic science research in esophageal disease with a focus on non-erosive reflux disease of the esophagus. In 2004 he began his fellowship in Gastroenterology at Tulane University. Due to hurricane Katrina he spent a year of his fellowship and the University of Miami in Miami, Florida. Dr. Barlow joined G.I. Associates in 2007.
Research
-
-
Poster Presenter: DDW 2004, Comparison of Electrical Properties and Ion Transport in Human Esophageal Stratified Squamous Epithelium and Barrett’s Esophagus.
- Poster Presenter: ACG 2006, Multiple Gastroesophageal Reflux Events during Esophageal Function Testing Masking Bolus Transit Interpretation.
- The Pathogenesis of Heartburn in nonerosive Reflux Disease: A Unifying Hypothesis. Gastroenterology 2005;128:771-778
- Electrical parameters and ion species for active transport in human esophageal stratified squamous epithelium and Barrett's specialized columnar epithelium. Am J Physiol Gastrointest Liver Physiol. 2007 Jul; 293(1):G264-70.
- Current studies pending publication:
- Effect of Omeprazole on Esophageal Healing in nonerosive Frequent Heartburn.
- A 4-week Study to Investigate the Relationship between Resolution of Acid Associated Heartburn Symptoms and Dose of Esomeprazole.
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