{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,2]],"date-time":"2026-02-02T13:50:28Z","timestamp":1770040228598,"version":"3.49.0"},"reference-count":22,"publisher":"Cambridge University Press (CUP)","issue":"4","license":[{"start":{"date-parts":[[2021,3,17]],"date-time":"2021-03-17T00:00:00Z","timestamp":1615939200000},"content-version":"unspecified","delay-in-days":0,"URL":"https:\/\/www.cambridge.org\/core\/terms"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["J. Laryngol. Otol."],"published-print":{"date-parts":[[2021,4]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec id=\"S0022215121000633_sec_a1\"><jats:title>Objective<\/jats:title><jats:p>This study aimed to analyse the differences between underwater continuous drilling and traditional intermittent drilling for attic cholesteatoma.<\/jats:p><\/jats:sec><jats:sec id=\"S0022215121000633_sec_a2\" sec-type=\"methods\"><jats:title>Methods<\/jats:title><jats:p>The clinical data of 61 patients with attic cholesteatoma who underwent an endoscopic approach procedure were analysed. Forty patients underwent underwater continuous drilling (group A), and 21 patients underwent traditional intermittent drilling (group B).<\/jats:p><\/jats:sec><jats:sec id=\"S0022215121000633_sec_a3\" sec-type=\"results\"><jats:title>Results<\/jats:title><jats:p>The operation time was 64.61 \u00b1 12.90 minutes in group A and 79.60 \u00b1 16.81 minutes in group B (<jats:italic>p<\/jats:italic>&lt; 0.05). The anaesthesia time was 102.69 \u00b1 17.93 minutes in group A and 119.82 \u00b1 19.28 minutes in group B (<jats:italic>p<\/jats:italic>&lt; 0.05). The dry ear time, the hearing improvement rate and the post-operative complications were no different in the two groups.<\/jats:p><\/jats:sec><jats:sec id=\"S0022215121000633_sec_a4\" sec-type=\"conclusions\"><jats:title>Conclusion<\/jats:title><jats:p>Group A and group B had no differences in surgical outcome or hearing recovery. 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