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  • Title: Hospital Authority audit of the outcome of endoscopic resection of superficial upper gastro-intestinal lesions in Hong Kong.
    Author: Teoh AY, Chiu PW, Chan SY, Cheung FK, Chu KM, Kao SS, Lai TW, Lau CW, Law SY, Leung CT, Leung WK, Tong DK, Tsang SH.
    Journal: Hong Kong Med J; 2015 Jun; 21(3):224-31. PubMed ID: 25999031.
    Abstract:
    OBJECTIVES: To review the short-term outcome of endoscopic resection of superficial upper gastro-intestinal lesions in Hong Kong. DESIGN: Historical cohort study. SETTING: All Hospital Authority hospitals in Hong Kong. PATIENTS: This was a multicentre retrospective study of all patients who underwent endoscopic resection of superficial upper gastro-intestinal lesions between January 2010 and June 2013 in all government-funded hospitals in Hong Kong. MAIN OUTCOME MEASURES: Indication of the procedures, peri-procedural and procedural parameters, oncological outcomes, morbidity, and mortality. RESULTS: During the study period, 187 lesions in 168 patients were resected. Endoscopic mucosal resection was performed in 34 (18.2%) lesions and endoscopic submucosal dissection in 153 (81.8%) lesions. The mean size of the lesions was 2.6 (standard deviation, 1.8) cm. The 30-day morbidity rate was 14.4%, and perforations and severe bleeding occurred in 4.3% and 3.2% of the patients, respectively. Among patients who had dysplasia or carcinoma, R0 resection was achieved in 78% and the piecemeal resection rate was 11.8%. Lateral margin involvement was 14% and vertical margin involvement was 8%. Local recurrence occurred in 9% of patients and 15% had residual disease. The 2-year overall survival rate and disease-specific survival rate was 90.6% and 100%, respectively. CONCLUSION: Endoscopic mucosal resection and endoscopic submucosal dissection were introduced in low-to-moderate-volume hospitals with acceptable morbidity rates. The short-term survival was excellent. However, other oncological outcomes were higher than those observed in high-volume centres and more secondary procedures were required.
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