Introduction to Gut Motility and Sensitivity
Fig. 1.1 The organization of the ENS of human and medium–large mammals . The ENS has ganglionated plexuses, the myenteric plexus between the longitudinal and circular layers of the external…
Autonomic Nervous System Testing
Autonomic test Receptor Afferent Integrating center Efferent signal Deep breathing Pulmonary stretch J-receptors Vagus nerve Nucleus tractus solitarius Dorsal motor nucleus of the vagus (DMNX) to vagus nerve Valsalva maneuver…
Motility After Small Bowel and Colonic Surgery
Fig. 30.1 Patient with history of gastroschisis resulting in short bowel syndrome with persistent abdominal distension (a) and feeding intolerance after STEP. Antroduodenal manometry demonstrated adequate small bowel motility after…
The Microbiome in Neurogastroenterology
Fig. 5.1 Structural relationship between the luminal and mucosal microbiota and the enteric nervous system (From Reigstad CS, Kashyap PC. Beyond phylotyping: understanding the impact of gut microbiota on host…
Fecal Incontinence in Children
Functional nonretentive fecal incontinence Functional constipation Must fulfill all of the following for ≥2 months prior to diagnosis 1. Defecation into places inappropriate to the social context at least once…
Rumination Syndrome
Vomiting Esophagitis Prokinetics Fundoplication Rumination During or minutes after meal No Not helpful Not helpful Achalasia Hours after meal Often (from stasis) Not helpful Contraindicated GERD After large meals…
Infant Colic
For Clinical purposes must include all of the following 1. An infant who is less than 5 months of age when the symptoms start and stop 2. Recurrent and prolonged periods of…
Anorectal Malformations
Major clinical groups Rare regional variants Perineal (cutaneous) fistula Pouch colon Rectourethral fistula Rectal atresia/stenosis (a) Bulbar Rectovaginal fistula (b) Prostatic H fistula Rectovesical fistula Others Vestibular fistula Cloaca No…
Functional Abdominal Pain
Symptoms Involuntary weight loss Vomiting especially bile or blood GI blood loss Unexplained fever Persistent right upper or lower quadrant pain Delayed puberty Family history of IBD Dysuria, hematuria, or…
Esophageal Achalasia
Fig. 21.1 Type I esophageal achalasia (IRP 33 mmHg) Fig. 21.2 Type II esophageal achalasia (IRP 43 mmHg) Fig. 21.3 Type III esophageal achalasia (IRP 55 mmHg, distal latency 3.9…
