Superior Mesentric Artery Syndrome

Superior Mesenteric Artery Syndrome

Q. 1

All are true regarding superior Mesenteric Artery Syndrome, except –

 A

Caused by compression of distended duodenum

 B

Common in young females

 C

Does not occur in obese individuals

 D

Most common in 6th -7th decade

Q. 1

All are true regarding superior Mesenteric Artery Syndrome, except –

 A

Caused by compression of distended duodenum

 B

Common in young females

 C

Does not occur in obese individuals

 D

Most common in 6th -7th decade

Ans. D

Explanation:

Ans. is ‘d’ i.e., Most common in 6th to 7th decade 

Superior Mesenteric Artery syndrome or Wilkie’s syndrome

–                                                                  is a rare condition in which obstruction of the 3rd portion of duodenum is produced by compression between the superior mesenteric vessels and the aorta.

  • Causes and pathophysiology

–                                          the superior mesenteric artery normally leaves the aorta at an acute angle (-50-60°). Normally a mass of fat and lymphatics around the origin of SMA is believed to protect the duodenum from compression.

  • Factors that may precipitate obstruction are

sudden wt. loss following injury or bum

rapid growth in height.

–  application of body casts

–  supine immobilization

  • Clinical picture

–  the syndrome is seen invariably in thin patients

– common in young adults, more common in females

  • Symptoms include epigastric bloating and crampy pain after meals, relieved by vomitting or prone position.
  • Investigation

– Barium meal study

Hypotonic duodenography is superior to barium meal

– CT scan with contrast

  • Management
  • Conservative t/t

– conservative t/t is successful in most cases associated with orthopedic condition. Treatment usually involves removal of plaster cast and mobilization of patient.

– Postural therapy : patient is advised to turn into prone or knee-elbow position after meals or when symptomatic.

  • Surgery

–  for patients not responding to conservative methods

duodenojejunostomy is done

Quiz In Between



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