pseudoobstruction

pseudoobstruction

(sū'dō-ob-strŭk'shŭn),
Bowel dysmotility that causes distention.

pseudoobstruction

Ogilvie syndrome, non-toxic megacolon, acute colonic pseudoobstruction Gastroenterology Massive colonic dilation without mechanical obstruction, possibly due to a sympathetic nervous system defect, resulting in chronic peristaltic paralysis, affecting the cecum, right colon, distal small intestine, less commonly, the esophagus and stomach, resulting in nonabsorption of essential nutrients Clinical Initially painless abdominal distension with nausea, pain relieved by vomiting and diarrhea and intermittent Sx extending over yrs; the condition may be congenital–eg, hereditary hollow viscus myopathy, acquired–DM, hypothyroidism, collagen vascular diseases, myotonic dystrophy, parkinsonism, multiple sclerosis, amyloidosis, trauma, surgery, inflammation–pancreatitis, infections, radiation therapy, malignancy, cardiovascular–MI, neurologic, respiratory–pneumonia, metabolic–alcoholism, hypokalemia and other electrolyte imbalance, uremia, muscular dystrophy, familial dysautonomia–Riley-Day syndrome, porphyria, dysproteinemia, drug-related–phenothiazines, TCAs, ganglion blockers, clonidine, narcotics, anticholinergics Management Decompress intestine, correct electrolyte imbalance, cecostomy, or combined transplantation of portions of the small and large intestine and liver. See Paralytic ileus.
References in periodicals archive ?
As it became harder for him to use a gastric tube, the Disney fan and Jurassic World enthusiast was diagnosed with complete gut failure and a condition called intestinal pseudoobstruction.
Assessment and outcome of pediatric intestinal pseudoobstruction (PIPO): A tertiary care center experience from Turkey
Deletion of Pten in the mouse enteric nervous system induces ganglioneuromatosis and mimics intestinal pseudoobstruction. J Clin Invest.
With regard to imaging, 38 cases of pseudoobstruction (77%) were identified by plain radiograph, ultrasonography, and CT.
The fourth control was later diagnosed with pseudoobstruction and has still an ileostomy.
The acute colonic pseudoobstruction (ACPO), nonobstructive colonic dilatation, or Ogilvie's syndrome is a rare entity that is characterized by acute dilatation of the colon, usually involving caecum and right hemicolon in the absence of any mechanical obstruction (80-90%), abdominal pain (80%), abdominal tenderness (62%), nausea and/or vomiting (60%), constipation (40%), and fever (37%).
Diffuse gastrointestinal motility disorders, such as chronic intestinal pseudoobstruction (CIPO), scleroderma, and hollow visceral myopathy syndrome, can also warrant a MVTx [12, 33].
Multiple phenotypes of ACTG2 related disorders have been described including megacystis microcolon intestinal hypoperistalsis syndrome (MMIHS), prune belly sequence, and chronic intestinal pseudoobstruction (CIPO).
Intestinal PseudoObstruction Syndrome, Gastroparesis, GERD, Achalasia
Other intestinal complications such as megacolon (mostly asymptomatic), pseudoobstruction, sigmoid volvulus, and bowel perforation may also arise in severe conditions, although their exact incidence is still currently unknown [32, 37, 38, 48].