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Radiographic Findings and Complications After Surgical or Endoscopic Repair of Zenker's Diverticulum in 16 Patients

¹ All authors: Department of Radiology, Hospital of the University of Pennsylvania, Philadelphia, PA 19104.

OBJECTIVE. The purpose of our study was to reassess the radiographic findings and complications associated with surgical or endoscopic repair of Zenker's diverticulum.

MATERIALS AND METHODS. Sixteen patients who underwent various procedures for repair of Zenker's diverticulum (diverticulectomy and cricopharyngeal myotomy in [n = 8], diverticulopexy and cricopharyngeal myotomy [n = 4], endoscopic stapling diverticulotomy [n = 3], and cricopharyngeal myotomy alone [n = 1]) had radiographic studies with water-soluble contrast material, barium, or both during the early postoperative period (n = 7), late postoperative period (n = 4), or both (n = 5). The radiologic reports and images were reviewed to determine the postoperative findings and complications associated with surgical or endoscopic repair of Zenker's diverticulum.

RESULTS. Radiographic studies revealed leaks during the early postoperative period in three (27%) of 11 patients after surgical repair of Zenker's diverticulum and in zero of three patients after endoscopic diverticulotomy. Pharyngeal dysfunction (pharyngeal paresis, decreased epiglottic tilt, laryngeal penetration, or tracheobronchial aspiration) was detected in seven (54%) of 13 patients after surgery and in one (33%) of three patients after endoscopic diverticulotomy; five of these eight patients had follow-up barium studies during the late postoperative period, and all five showed marked improvement in pharyngeal function. An extrinsic cricopharyngeal impression was detected in six (38%) of these 16 patients, a remnant diverticulum in four (25%), and mucosal beaking in three (19%). A suspended or inverted diverticulum was detected in one of the four patients who underwent surgical diverticulopexy.

CONCLUSION. Radiologists should be aware of the various postoperative findings and complications associated with surgical or endoscopic repair of Zenker's diverticulum so that appropriate interventions can be taken in patients with this condition.

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