What are the reported outcomes of diverticulectomy with CP myotomy for the treatment of Zenker diverticulum?

Updated: Jan 23, 2018
  • Author: Joel A Ernster, MD; Chief Editor: Arlen D Meyers, MD, MBA  more...
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Answer

Answer

Immediate symptom relief occurs in 90-100% of patients.

Long-term symptom recurrence

The long-term symptom recurrence rate is 2-33% for diverticulectomy with cricopharyngeal (CP) myotomy. Gutschow compared the success rates with open versus endoscopic techniques and found that in sacs that measured less than 3 cm, the open technique achieved 98% long-term success, while the endoscopic approach achieved only a 57% rate. With sacs larger than 3 cm, the success rate was 97% and 88%, respectively. [33]

Morbidity and mortality

The mortality rate for diverticulectomy with CP myotomy is 0-9.5%. Morbidity, which occurs in 4-47% of patients, includes the following:

  • Recurrent laryngeal nerve (RLN) paralysis

  • Esophageal stenosis

  • Mediastinitis

  • Pharyngocutaneous fistula

  • Hematoma

  • Esophageal perforation


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