eMedicine Specialties > Gastroenterology > Colon
Ogilvie Syndrome: Treatment & Medication
Updated: Jul 30, 2008
- Overview
- Differential Diagnoses & Workup
- Treatment & Medication
- Follow-up
Treatment
Medical Care
Diagnosis and management of colonic pseudo-obstruction require that mechanical bowel obstruction be completely excluded. Initial management requires an evaluation for signs of bowel ischemia or perforation; if present, these problems must be addressed immediately.
- Addressing basic issues of supportive care prior to initiating specific medical therapy is critical.
- Aggressively treat any reversible underlying medical condition (eg, respiratory failure, congestive heart failure [CHF], systemic infection).
- Administer intravenous fluids to correct any volume deficit.
- Correct electrolyte imbalances.
- Nasogastric suction or decompression can be helpful; furthermore, rectal tube decompression can be therapeutic in some cases.
- Promptly discontinue any medications that might precipitate or exacerbate this problem (eg, narcotics, anticholinergics).
- Colonoscopic decompression of the colon
- Colonoscopic decompression is a very useful method to remove air from the colon and, hopefully, to reduce the risk of subsequent colonic perforation; however, this procedure may be difficult to perform because of poor colonic preparation in most patients.
- Colonoscopy is successful in reducing colonic air in 70-85% of patients.
- Decompression may be facilitated by placement of a decompression tube.
- Passage of the endoscope to the hepatic flexure is usually sufficient to decompress the cecum.
- If a decompression tube is placed, flush the tube every 2-4 hours with enough saline to maintain patency.
- The main risk of decompressive colonoscopy is perforation. Maintain great care to avoid excessive air insufflation during endoscope insertion.
- The risk of perforation is probably higher in patients with significant colonic ischemia.
- Although colonoscopic decompression is usually successful, cecal distention often recurs. The literature indicates recurrence rates of 22-41%.
Surgical Care
A small percentage of patients with Ogilvie syndrome may require surgical intervention.
- Tube cecostomy
- This procedure allows for colonic venting in patients with Ogilvie syndrome. In some patients, this procedure is curative, and the tube may later be removed without the need for subsequent surgical intervention.
- Reserve cecostomy for patients with impending cecal perforation.
- Generally, a cecostomy is performed via open technique.
- Percutaneous cecostomy may also be performed via CT guidance.
- A laparoscopically assisted cecostomy using T-bars to anchor the cecum to the anterior abdominal wall is another acceptable intervention.
- Subtotal colectomy
- In patients with subsequent perforation, a subtotal colectomy may be required.
- Generally, patients with perforation require temporary diversion, with plans for a second operation to establish bowel continuity at a later date.
- Potential complications include abscess formation, ileus, and bleeding.
Consultations
- Gastroenterologists
- General surgeons
Diet
In general, patients with Ogilvie syndrome are not allowed to have anything by mouth until the disorder is reversed.
Activity
If the patient is able, ambulation can have beneficial aspects on colonic motility patterns. However, patients with acute Ogilvie syndrome typically are not ambulatory.
Medication
Prior to medical therapy, a mechanical bowel obstruction must be excluded. Ensure that colonic air is found in all colonic segments, including the rectosigmoid, prior to consideration of neostigmine therapy. If air is not demonstrable on abdominal films, a mechanical obstruction should be excluded via contrast enema.
Acetylcholinesterase inhibitors
Ponec et al demonstrated the utility of neostigmine in colonic pseudo-obstruction.1
Neostigmine (Prostigmin)
Inhibits destruction of acetylcholine by acetylcholinesterase, which facilitates transmission of impulses across myoneural junction.
Adult
1-2 mg IV/SC; may repeat in 3 h if needed
Pediatric
Not established
Atropine antagonizes muscarinic effects of neostigmine; effects of neuromuscular agents are increased; other agents that cause bradycardia, including beta-blockers and calcium channel blockers, should not be coadministered
Documented hypersensitivity; GI or GU obstruction; baseline heart rate <60 bpm or systolic blood pressure <90 mm Hg; sick sinus syndrome or history of second- or third-degree A-V block without a pacemaker; active bronchospasm requiring medication
Pregnancy
C - Fetal risk revealed in studies in animals but not established or not studied in humans; may use if benefits outweigh risk to fetus
Precautions
Caution in renal failure, epilepsy, asthma, bradycardia, hyperthyroidism, cardiac arrhythmias, or peptic ulcer; anticholinesterase insensitivity can develop for brief or prolonged periods; patients with renal impairment may have an increased or prolonged response after administration; monitor carefully for bradycardia (should be on a heart monitor during administration); keep atropine (0.6-1.2 mg IV) on hand as an antidote for muscarinic adverse effects
Enema therapies
Can be helpful in some circumstances. This therapy may cleanse the colon and gently enhance colonic motility, thereby correcting the underlying problem. The cleansing effect may also make subsequent attempts at colonoscopic decompression easier.
Polyethylene glycol (GoLYTELY)
Laxative with strong electrolyte and osmotic effects that has cathartic actions in GI tract.
Adult
1 adult enema PR
Pediatric
Not established
Reduces effectiveness and absorption of oral medications
Documented hypersensitivity, colitis, megacolon, bowel perforation, gastric retention, GI obstruction
Pregnancy
C - Fetal risk revealed in studies in animals but not established or not studied in humans; may use if benefits outweigh risk to fetus
Precautions
Caution in ulcerative colitis and hot loop polypectomy
Tap water enema
Lubricates the bowel and softens the stool. Can be used as a retention enema.
Adult
1 adult enema PR
Pediatric
Not established
None reported
Documented hypersensitivity
Pregnancy
C - Fetal risk revealed in studies in animals but not established or not studied in humans; may use if benefits outweigh risk to fetus
Precautions
Caution in leukemia or thrombocytopenia
More on Ogilvie Syndrome |
| Overview: Ogilvie Syndrome |
| Differential Diagnoses & Workup: Ogilvie Syndrome |
Treatment & Medication: Ogilvie Syndrome |
| Follow-up: Ogilvie Syndrome |
| References |
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References
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Further Reading
Keywords
Ogilvie syndrome, Ogilvie's syndrome, acute colonic pseudo-obstruction, ACPO, colonic pseudoobstruction, bowel obstruction, colonic obstruction, acute large bowel obstruction, colonic perforation, intestinal perforation, peritonitis, nontoxic megacolon, bowel motility, adynamic distal colon, Hirschsprung disease, abdominal distention, obstipation, cecal perforation, cecostomy, colonoscopy, colonoscopic decompression, colectomy
Treatment & Medication: Ogilvie Syndrome