Superior Mesenteric Artery (SMA) Syndrome Follow-up

Updated: Dec 31, 2018
  • Author: Frederick Merrill Karrer, MD, FACS; Chief Editor: Carmen Cuffari, MD  more...
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Follow-up

Further Outpatient Care

Nasojejunal or nasogastric tube feedings with a standard liquid diet may be indicated in some patients with superior mesenteric artery (SMA) syndrome. These feedings may be continued at home until the obstruction resolves spontaneously.

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Complications

Complications include the following:

  • Electrolyte imbalance (eg, hypokalemia, hypochloremia, metabolic alkalosis)

  • Dehydration

  • Malnutrition

  • Oliguria

  • Hypotension

  • Peptic ulcer disease

  • Aspiration pneumonia

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Prognosis

The outcome is excellent if the entity is diagnosed in a timely fashion and if the patient receives appropriate therapy. In the past, deaths due to progressive dehydration, hypokalemia, and oliguria have been reported; most of these occurred in patients in whom the diagnosis was delayed or missed.

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