Dyssynergic Defecation and Biofeedback Therapy
Constipation caused by dyssynergic defecation is common and affects up to one half of patients with this disorder. It is possible to diagnose this problem through history, prospective stool diaries,…
GASTROENTEROLOGY
Radiologic Evaluation of Pelvic Floor Disorders
Several imaging modalities are available ranging from fluoroscopic techniques to ultrasonography and MRI for the evaluation of patients with pelvic floors disorders. High-resolution ultrasonography and MRI not only provide superior…
Manometric, Sensorimotor, and Neurophysiologic Evaluation of Anorectal Function
With advances in diagnostic technology, it is now accepted that in the field of functional bowel disorders, symptom-based assessment is unsatisfactory as the sole means of directing therapy. A robust…
Urodynamic Evaluation of the Bladder and Pelvic Floor
Pelvic floor disorders including lower urinary tract dysfunction are common, and may be evaluated by urodynamic tests, such as cystometry, uroflowmetry, pressure flow studies, electromyography, and video-urodynamics. These urodynamic tests…
Pelvic Floor Anatomy and Applied Physiology
Pelvic floor muscles have two major functions: they provide support or act as a floor for the abdominal viscera including the rectum; and they provide a constrictor or continence mechanism…
Barrett’s Esophagus
Barrett’s esophagus is an important step in the pathway to esophageal adenocarcinoma. Since most patients with Barrett’s esophagus are undiagnosed and patients present with advanced adenocarcinoma de novo, prognosis for…
Modern Surgery for Esophageal Cancer
Primary treatment of carcinoma of the esophagus and cardia rests on surgical resection. Although recent advances have shown the suitability of endoscopic treatment in selected patients with very early cancers,…
Eosinophilic Esophagitis
Eosinophilic esophagitis (EoE) is a disease based on a clinicopathologic diagnosis that involves a localized eosinophilic inflammation of the esophagus. A significant increase in the diagnosis of pediatric EoE has…
Esophageal Cancer
The incidence of esophageal cancer, in particular esophageal adenocarcinoma, is increasing, largely due to an increase in risk factors for adenocarcinoma. When esophageal cancer is confirmed by upper endoscopy, staging…
Medical Management of Gastroesophageal Reflux Disease
Antisecretory therapies that raise intragastric pH provide the best healing of the esophageal mucosal damage that occurs in gastroesophageal reflux disease. Continuous maintenance therapy is also effective to reduce the…
