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Featured researches published by Qiang Cai.


The American Journal of Gastroenterology | 2003

Incidental findings of thickening luminal gastrointestinal organs on computed tomography: an absolute indication for endoscopy

Qiang Cai; Deborah A. Baumgarten; John Affronti; J. Patrick Waring

OBJECTIVE:Incidental findings of thickened luminal GI organs (LGIO) on CT are not uncommon. However, the significance of these findings is unclear. Because of the lack of scientific data, there are no clinical guidelines for the evaluation of these radiologic abnormalities. Our objective was to determine whether endoscopic evaluation of these findings revealed significant abnormalities.METHODS:This study evaluated all incidental findings of thickened LGIO in a large medical center from October, 1997 to March, 1999 that were followed by endoscopic examinations.RESULTS:Ninety-six percent of patients with incidental findings of thickening of the sigmoid colon or rectum, 81% of patients with thickening of the distal esophagus, and 13% of patients with thickening of the cecum had significant abnormalities on further endoscopic work up.CONCLUSIONS:Although positive pathologic findings are less common in thickening of the cecum than in other LGIO, all of these incidental findings on CT warrant further endoscopic examination.


Journal of Clinical Gastroenterology | 2003

Temporal trends over ten years in formal inpatient gastroenterology consultations at an inner city hospital.

Qiang Cai; Christine J. Bruno; Curt H. Hagedorn; Norman A. Desbiens

Goals Inpatient consultation is an important, but poorly understood, component of medical subspecialty practices. In a time when all services strive for cost–effective and efficient treatments, little is known about the epidemiology of inpatient subspecialty consultation. This study is designed to describe the nature and trends of formal inpatient gastroenterology consultations during the past decade. Study All inpatient gastroenterology consultations at Grady Memorial Hospital in Atlanta, GA, in 1998 and 1988 were retrospectively reviewed. Percentages of inpatient gastroenterology consultations were calculated for each year accordingly. Top ten reasons for inpatient gastroenterology consultations were compared. Results Formal inpatient gastroenterology consultations have steadily increased in the past 10 years (2.8% of all admissions in 1988 to 4.8% in 1998, p < 0.0001). Inpatient gastrointestinal endoscopic procedures have significantly increased over the past decade (30.9% of the total consultations in 1988 to 36.1% in 1998, p = 0.008). The leading reasons for formal inpatient gastroenterology consultations in 1998 were hematemesis, abnormal liver tests, hematochezia, anemia, and melena. Consultations for abnormal liver tests have significantly decreased in the past 10 years (27% of the total consultations in 1988 to 16% in 1998, p < 0.001). Conclusions Formal inpatient gastroenterology consultations and inpatient gastrointestinal endoscopic procedures have significantly increased over the past 10 years, despite pressures to decrease costs of inpatient care. The main reason for formal inpatient gastroenterology consultations shifted from abnormal liver tests to gastrointestinal bleeding.


The American Journal of Gastroenterology | 2003

isolated cecal varices as the source of massive lower GI bleeding in a patient with cirrhosis

Steve D. Klein; Jeffrey C. Hellinger; Mark L. Silverstein; Qiang Cai

Isolated Cecal Varices as the Source of Massive Lower GI Bleeding in a Patient With Cirrhosis


Digestive Diseases and Sciences | 2006

Nocturnal hydration--an effective modality to reduce recurrent abdominal pain and recurrent pancreatitis in patients with adult-onset cystic fibrosis.

Kamil Obideen; Mohammad Wehbi; Maarouf Hoteit; Qiang Cai

Recurrent abdominal pain and recurrent pancreatitis are common problems associated with some patients with cystic fibrosis (CF). There is no known effective method to prevent recurrent abdominal pain and recurrent pancreatitis in such patients. The objective of this study was to determine whether nocturnal hydration (NH) prevents recurrent abdominal pain and recurrent acute pancreatitis in patients with adult-onset CF. Adult CF patients who were referred to our Pancreatic Diseases Clinic for recurrent abdominal pain and pancreatitis were enrolled in the study. Each patient was encouraged to drink plenty of water during the night and established a 6-month diary (3 months before and 3 months after NH was initiated), recording the frequency and severity of their abdominal pain, the amount of pain medication taken, and the volume of their water intake. We also reviewed the number of doctors clinic visits, emergency room visits, and hospitalizations for about 1 year before and 1 year after the initiation of the NH. The frequency and the severity of abdominal pain in this group of patients were significantly reduced. The amount of pain medication and the number of emergency room visits and hospitalizations for abdominal pain and acute pancreatitis were reduced. NH is a simple and cost-effective method to prevent recurrent abdominal pain and pancreatitis in patients with adult-onset CF.


The American Journal of Gastroenterology | 2000

The efficacy and safety of argon plasma coagulation therapy in gastrointestinal angiodysplasia

Qiang Cai; Christine J. Bruno

The efficacy and safety of argon plasma coagulation therapy in gastrointestinal angiodysplasia


Digestive Diseases and Sciences | 2010

Endoscopic clips prevent displacement of intestinal feeding tubes: a long-term follow-up study.

Maureen Onyinyechukwu Udorah; Michael Wayne Fleischman; Vanitha Bala; Qiang Cai


Journal of Clinical Gastroenterology | 2005

Zenker's diverticulum: a contraindication for wireless capsule endoscopy?

Ryan M. Ford; John Affronti; Robert Cohen; Deborah A. Baumgarten; Qiang Cai


Digestive Diseases and Sciences | 2008

A Pilot Study of Efficacy and Safety of Continuous Intravenous Infusion of Pantoprazole in the Treatment of Severe Erosive Esophagitis

Qiang Cai; Mahmoud Barrie; Henry Olejeme; Marc D. Rosenberg


Journal of Clinical Gastroenterology | 2003

Severe esophagitis healed in less than a week with intravenous pantoprazole.

Kila Dabney-Smith; Jae Nam; Amaar Ghazale; Qiang Cai


/data/revues/00165107/v61i5/S0016510705011351/ | 2011

Fluoroscopy Time During Endoscopic Retrograde Cholangiopancreatography

Kamil Obideen; Maarouf Hoteit; J Affronti; Qiang Cai

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