Post-traumatic Stress Disorder Is Associated With Irritable Bowel Syndrome in African Americans.

Background/aims: Psychosocial stressors likely play an important role in irritable bowel syndrome (IBS). The association between IBS and post-trau-matic stress disorder (PTSD) in non-minorities has been described. Our aim was to investigate the potential association between IBS and PTSD in an urban African American population.

The impact of functional constipation on quality of life of middle-aged Black Americans: a prospective case-control study.

Purpose: To quantify the impact of constipation on health-related quality of life (HRQoL) in Black Americans.

Methods: Case-control design. Black subjects referred for colon cancer screening with a Bristol Stool Score of 3-5 for >75% of bowel movements served as controls.

Botulinum toxin A for the treatment of delayed gastric emptying.

Background: Observational data suggest that intrapyloric injection of botulinum toxin A (BoTN/A) reduces symptoms and accelerates gastric emptying in idiopathic and diabetic gastroparesis. Our purpose was to determine whether botulinum toxin improves symptoms to a significantly greater extent than placebo. An additional objective was to determine whether there is an acceleration of gastric emptying after injection.