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Zenker's diverticulum: outcome of endoscopic surgery is dependent on the intraoperative exposure


Murer, Karin; Soyka, Michael B; Broglie, Martina A; Huber, Gerhard F; Stoeckli, Sandro J (2015). Zenker's diverticulum: outcome of endoscopic surgery is dependent on the intraoperative exposure. European Archives of Oto-Rhino-Laryngology, 272(1):167-173.

Abstract

The purpose of the present study is to evaluate long-term outcome and patients' satisfaction after endoscopic therapy of Zenker's diverticulum (ZD) and to analyze the results of the stapler technique in comparison with the application of the carbon dioxide (CO2) laser. A retrospective cohort study with outcome analysis of patients undergoing endoscopic cricopharyngeal myotomy with either stapler or CO2 laser between October 2000 and December 2010 by a single surgeon was performed. Patient's medical charts were reviewed with respect to symptoms before intervention, intra and post operative complications, reasons for the choice of endoscopic technique, and postoperative relief of symptoms. Long-term follow-up was acquired by a standardized self-assessment questionnaire. Seventy-four patients (51 men, 23 women) with a median age at operation of 74 years (range 45-93 years) were enrolled in this study. Forty-five patients underwent endoscopic repair of a ZD with stapler, 29 patients with CO2 laser. The mean follow-up was 4.7 years. We did not observe significant differences for intra and post operative complications, hospital stay, time until normal oral food intake, need for revision, and long-term subjective symptom relief between the two groups. Overall complication (12 %) and recurrence rate (11 %) for the endoscopic techniques were low. Endoscopic surgery had also a high success rate in recurrence cases (87.5 %). According to our study, the most important factor for the success rate of endoscopic treatment was the intraoperative exposure of the ZD. The endoscopic minimally invasive approach is a safe and effective treatment modality and can be considered as the treatment of choice for primary and recurrent ZD. The intraoperative exposure is decisive for the technique applied and the long-term success.

The purpose of the present study is to evaluate long-term outcome and patients' satisfaction after endoscopic therapy of Zenker's diverticulum (ZD) and to analyze the results of the stapler technique in comparison with the application of the carbon dioxide (CO2) laser. A retrospective cohort study with outcome analysis of patients undergoing endoscopic cricopharyngeal myotomy with either stapler or CO2 laser between October 2000 and December 2010 by a single surgeon was performed. Patient's medical charts were reviewed with respect to symptoms before intervention, intra and post operative complications, reasons for the choice of endoscopic technique, and postoperative relief of symptoms. Long-term follow-up was acquired by a standardized self-assessment questionnaire. Seventy-four patients (51 men, 23 women) with a median age at operation of 74 years (range 45-93 years) were enrolled in this study. Forty-five patients underwent endoscopic repair of a ZD with stapler, 29 patients with CO2 laser. The mean follow-up was 4.7 years. We did not observe significant differences for intra and post operative complications, hospital stay, time until normal oral food intake, need for revision, and long-term subjective symptom relief between the two groups. Overall complication (12 %) and recurrence rate (11 %) for the endoscopic techniques were low. Endoscopic surgery had also a high success rate in recurrence cases (87.5 %). According to our study, the most important factor for the success rate of endoscopic treatment was the intraoperative exposure of the ZD. The endoscopic minimally invasive approach is a safe and effective treatment modality and can be considered as the treatment of choice for primary and recurrent ZD. The intraoperative exposure is decisive for the technique applied and the long-term success.

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:04 Faculty of Medicine > University Hospital Zurich > Clinic for Otorhinolaryngology
Dewey Decimal Classification:610 Medicine & health
Language:English
Date:January 2015
Deposited On:05 Feb 2015 08:25
Last Modified:05 Apr 2016 19:02
Publisher:Springer
ISSN:0937-4477
Publisher DOI:https://doi.org/10.1007/s00405-014-2959-9
PubMed ID:24604681

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