2022年3月22日 · Afferent loop syndrome is an intermittent partial or complete mechanical obstruction of the afferent limb of a gastrojejunostomy. The syndrome classically refers to obstruction of the upstream limb of a side-to-side gastrojejunostomy but has also been used to refer to the biliopancreatic limb of a Roux-en-Y gastrojejunostomy.

2023年5月22日 · While laboratory studies such as complete blood count (CBC), lactate, liver function tests (LFTs), pancreatic enzymes, and serum electrolytes are important adjuncts in evaluating the patient, abdominal imaging with computed tomography (CT) is the mainstay of diagnosis for afferent loop syndrome.

We found that a fluid-filled C-shaped afferent loop in combination with valvulae conniventes projecting into the lumen was the most common MDCT features of ALS. Malignant causes of ALS, such as local recurrence and carcinomatosis, are the most common etiologies of obstruction.

A fluid-filled tubular structure containing small air bubbles in the right upper quadrant or crossing the midline on CT in symptomatic patients after gastroenterostomy is characteristic of a dilated, possibly obstructed, afferent loop.

When diagnosing afferent loop syndrome, abdominal CT is regarded as the preferred radiographic investigation. [3] The treatment of afferent loop syndrome is determined by the underlying cause. [1] Surgical therapy, such as adhesiolysis, bypass, or limb reconstruction, can usually eliminate the source in patients with benign etiologies. [4]

2001年9月24日 · CONCLUSION: A fluid-filled tubular structure containing small air bubbles in the right upper quadrant or crossing the midline on CT in symptomatic patients after gastroenterostomy is characteristic of a dilated, possibly obstructed, afferent loop.

2002年9月1日 · CONCLUSION: A fluid-filled tubular structure containing small air bubbles in the right upper quadrant or crossing the midline on CT in symptomatic patients after gastroenterostomy is characteristic of a dilated, possibly obstructed, afferent loop.

The CT findings of the obstruction of both the afferent and the efferent limbs are demonstrated, with emphasis on the characteristic CT features of afferent loop syndrome. A rare case of combined afferent loop syndrome following Roux-en Y reconstruction and small bowel obstruction due to adhesions at the enteroenterostomy is presented.

2013年3月19日 · Afferent loop syndrome (ALS), a term first coined by Roux and co-workers in 1950, is an uncommon complication following construction of a Billroth II gastrojejunostomy. It occurs in approximately 0.3% of cases, and most are due to mechanical obstruction of the afferent loop [1-6].

2002年9月1日 · RESULTS: The obstructed afferent loop appeared on CT as a fluid-filled tubular mass with an average diameter of 5.3 cm. Valvulae conniventes were identified in all, and small intraluminal air bubbles in four. The dilated afferent loop was opacified with oral contrast material in only one patient.