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要旨●緒言:潰瘍性大腸炎(UC)は,治療選択肢が増え,粘膜治癒を目標とすることが可能となった.本研究では生物学的製剤登場前後でのUCの予後の検討を行った.方法:1966年1月1日〜2024年3月31日の期間にUCと診断され当科で治療を行った症例,当院外科で手術が行われた症例,また他施設からの紹介で手術が行われた症例を対象とし,2010年の前後で比較を行った.結果:症例は328例であり,手術例50例,非手術例278例であった.手術理由は,内科治療抵抗性が37例(74.0%),潰瘍性大腸炎関連腫瘍(UCAN)が13例(26.0%)であり,2015年以降はUCAN症例の割合が増加した.2010年以降非手術例は5次治療以上の症例を6.8%認め,薬物選択肢の増加による手術回避例の増加が示唆された.
Introduction:Recently, ulcerative colitis(UC)has more treatment options, making mucosal healing a feasible goal. This study investigates the prognosis of UC before and after the advent of biologics.
Methods:We compared cases diagnosed with UC and treated in our department, those undergoing surgery in our hospital's surgery department, and those referred from other facilities for surgery, from January 1, 1966, to March 31, 2024, comparing those before and after 2010.
Results:This study consisted of 328 cases, including 50 surgical cases and 278 non-surgical cases. Surgery was conducted due to medical treatment resistance in 37 cases(74.0%)and ulcerative colitis-associated neoplasia(UCAN)in 13(26.0%)cases. The proportion of UCAN cases increased after 2015. Additionally, 6.8% of the non-surgical cases underwent more than five lines of treatment after 2010, indicating an increase in surgery avoidance due to the increased drug options.
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