A cooperative approach for treatment of Zenker's diverticulum.

backgroundSymptomatic Zenker's diverticulum management has evolved from an open intervention to an endoscopic management. At our center, both an otolaryngologist and a gastroenterologist are present in the operating room when treating these lesions. An intra-procedural consensus is reached to undergo either rigid endoscopy or flexible endoscopic diverticulotomy with ENT guidance. We evaluated the real-world efficacy with a cooperative gastroenterology-otolaryngology approach.

methodsSingle-center retrospective study of patients who underwent a cooperative endoscopic diverticulotomy by a gastroenterologist and otolaryngologist at Cleveland Clinic Florida between 2012 and 2019. Demographic and clinical data, intra-procedural findings/complications, post-procedural symptoms, recurrence rate, and reintervention variables were extracted. Patients included in the study were > 17 years old, with symptomatic confirmed typical single Zenker's diverticulum.

results63 subjects were identified. Patients were predominantly males (63.5%) and white (84.1%), with mean age 73.5 years (53-95). Most subjects presented dysphagia (98.4%), mostly to solids (79.4%). Other demographic and clinical data are described in Table 1. The diverticula had a mean size of 36.3 mm. In 30.1% of the cases food debris was found during the procedure. The mean procedure length was 38.4 minutes. All cases were performed as outpatient. Technical success was achieved in all cases. Patients were followed for a mean of 3.24 months post-procedure. Clinical success was achieved in 92% subjects. One intra-procedural perforation was treated with endoclip. Table 1 Pre-procedural demographic and clinical variables in patients undergoing Zenker's diverticulum cooperative approach Variable Value (n = 63) Sex, n (%)  Male  Female 40 (63.5) 23 (36.5) Ethnicity/Race, n (%)  Non-Hispanic White  Hispanic  Black 53 (84.1) 7 (11.1) 3 (4.8) Smoking status, n (%)  Never  Former  Active 29 (46.0) 26 (41.3) 8 (10.7) Previous intervention for Zenker's diverticulum, n (%) 12 (19.1) Dysphagia, n (%)  Only to solids  Only to liquids  Both solids and liquids 50 (79.4) 0 (0) 12 (19.0) Regurgitation of food, n (%)  Chronic cough, n (%) 13 (20.6)  Halitosis, n (%) 9 (14.3)

conclusionA cooperative endoscopic approach by gastroenterology and otolaryngology for symptomatic Zenker's diverticulum management offered excellent technical and clinical success. This approach proved to be safe and effective.