[摘" "要]" "目的:探討影響內(nèi)鏡逆行胰膽管造影術(shù)(endoscopic retrograde cholangiao-pancreatography, ERCP)后膽總管結(jié)石(common bile duct stones,CBDS)復(fù)發(fā)的危險(xiǎn)因素。方法:回顧性分析經(jīng)ERCP治療的325例膽總管結(jié)石患者的臨床資料,隨訪時(shí)間2年,其中74例(22.8%)膽總管結(jié)石復(fù)發(fā)(復(fù)發(fā)組),251例(77.2%)未發(fā)生復(fù)發(fā)(非復(fù)發(fā)組)。比較兩組患者的臨床特征及膽道情況,采用多因素Logistic回歸分析影響膽總管結(jié)石復(fù)發(fā)的危險(xiǎn)因素。結(jié)果:復(fù)發(fā)組患者年齡、體質(zhì)量指數(shù)(body mass index,BMI)以及有膽囊切除史的占比高于非復(fù)發(fā)組(Plt;0.05)。復(fù)發(fā)組乳頭旁憩室占比、膽總管直徑、膽道感染發(fā)生率、結(jié)石數(shù)量、結(jié)石直徑以及泥沙樣結(jié)石占比高于非復(fù)發(fā)組(Plt;0.05)。多因素Logistic回歸分析表明,高BMI值、乳頭旁憩室、膽總管直徑≥12 mm、結(jié)石數(shù)量≥2枚、泥沙樣結(jié)石是ERCP術(shù)后膽總管結(jié)石復(fù)發(fā)的危險(xiǎn)因素(Plt;0.05)。結(jié)論:針對(duì)ERCP術(shù)后膽總管結(jié)石復(fù)發(fā)的危險(xiǎn)因素采取干預(yù)措施有助于減少CBDS復(fù)發(fā)率。
[關(guān)鍵詞]" nbsp;膽總管結(jié)石;內(nèi)鏡逆行胰膽管造影術(shù);復(fù)發(fā);危險(xiǎn)因素
[中圖分類號(hào)]" "R657.4+2 [文獻(xiàn)標(biāo)志碼]" "B [DOI]" "10.19767/j.cnki.32-1412.2024.04.007
* [通信作者] 何斌,E-mail:15950972578@163.com
膽石癥是常見的消化道疾病,世界范圍內(nèi)其發(fā)病率7%~15%,國(guó)內(nèi)為3%~11%[1]。有報(bào)道顯示,膽總管結(jié)石(common bile duct stones,CBDS)發(fā)病率可高達(dá)20.1%[2]。膽總管結(jié)石具體病因尚不清楚,可能與感染、生活習(xí)慣、遺傳及環(huán)境因素等有關(guān)。10%~25%膽總管結(jié)石患者出現(xiàn)癥狀,1%~2%有癥狀患者會(huì)發(fā)生重大并發(fā)癥[3-4],包括急性梗阻性化膿性膽管炎、急性胰腺炎和休克。從20世紀(jì)60年代開始內(nèi)窺鏡逆行胰膽管造影術(shù)(endoscopic retrograde cholangiao-pancreatography,ERCP)成為膽總管結(jié)石治療的主要術(shù)式,具有操作簡(jiǎn)便、損傷小、并發(fā)癥少及取石成功率高的優(yōu)點(diǎn)[5-6],但術(shù)后膽總管結(jié)石復(fù)發(fā)率率可達(dá)4.0%~31.9%[7-8]。本文回顧性分析2016年1月—2021年1月在我院行ERCP術(shù)的325例膽總管結(jié)石患者的臨床資料,分析影響術(shù)后CBDS復(fù)發(fā)的危險(xiǎn)因素,以期為臨床提供參考。
1" "資料與方法
1.1" "一般資料" "行ERCP術(shù)的膽總管結(jié)石患者325例,均由經(jīng)驗(yàn)豐富的醫(yī)生進(jìn)行手術(shù),取石后再注射造影劑確認(rèn)CBDS已清除。其中男性150例,女性175例,平均年齡(70.17±15.26)歲。術(shù)后隨訪2年,74例(22.8%)膽總管結(jié)石復(fù)發(fā)(復(fù)發(fā)組),251例(77.2%)無(wú)復(fù)發(fā)(非復(fù)發(fā)組)。納入標(biāo)準(zhǔn):(1)術(shù)前明確為CBDS,ERCP術(shù)完全清除CBDS;(2)配合完成術(shù)后2年隨訪,隨訪資料完整。排除標(biāo)準(zhǔn):(1)肝膽十二指腸腫瘤;(2)先天性膽道畸形;(3)膽道支架置入。本研究經(jīng)醫(yī)院倫理委員會(huì)審核批準(zhǔn)。
1.2" "隨訪" "術(shù)后隨訪2年,每3個(gè)月作血常規(guī)、生化、腹部B超等檢查,如果提示CBDS可能復(fù)發(fā),則行CT、磁共振膽道成像(magnetic resonance cholangio-pancreatogrphy,MRCP)確診。如患者出現(xiàn)黃疸、腹痛等癥狀,醫(yī)生根據(jù)腹部B超、CT、MRCP等檢查結(jié)果決定是否需要再次住院行ERCP治療。
1.3" "統(tǒng)計(jì)學(xué)處理" "應(yīng)用SPSS 26.0統(tǒng)計(jì)學(xué)軟件對(duì)數(shù)據(jù)進(jìn)行分析處理。正態(tài)分布的計(jì)量資料以±s表示,組間比較采用t檢驗(yàn);計(jì)數(shù)資料以頻數(shù)或百分率表示,組間比較采用χ2檢驗(yàn);采用多因素Logistic回歸分析影響膽總管結(jié)石復(fù)發(fā)的危險(xiǎn)因素。Plt;0.05為差異具有統(tǒng)計(jì)學(xué)意義。
2" "結(jié)" " " 果
2.1" "兩組臨床特征比較" "復(fù)發(fā)組患者年齡、體質(zhì)量指數(shù)(body mass index,BMI)以及有膽囊切除病史的占比高于非復(fù)發(fā)組(Plt;0.05),兩組性別、是否合并胰腺炎、糖尿病、肝硬化、乙肝以及總膽紅素(total bilirubin,TBil)、直接膽紅素(direct bilirubin,DBil)、總膽固醇(total cholesterol,TC)、血鈣水平比較,差異均無(wú)統(tǒng)計(jì)學(xué)意義(Pgt;0.05)。見表1。
2.2" "兩組膽道情況比較" "復(fù)發(fā)組乳頭旁憩室占比、膽總管直徑、膽道感染發(fā)生率、結(jié)石數(shù)量、結(jié)石直徑以及泥沙樣結(jié)石占比高于非復(fù)發(fā)組(Plt;0.05);兩組膽囊結(jié)石患者占比以及后續(xù)是否膽囊切除手術(shù)比較,差異均無(wú)統(tǒng)計(jì)學(xué)意義(Pgt;0.05)。見表2。
2.3" "多因素Logistic回歸分析影響ERCP術(shù)后膽總管結(jié)石復(fù)發(fā)的危險(xiǎn)因素" "將ERCP術(shù)后膽總管結(jié)石復(fù)發(fā)作為因變量,以單因素分析中具有統(tǒng)計(jì)學(xué)意義的因素作為協(xié)變量,進(jìn)行二分類Logistic回歸分析。結(jié)果顯示,高BMI、乳頭旁憩室、膽總管直徑≥12 mm、結(jié)石數(shù)量≥2枚以及泥沙樣結(jié)石是ERCP術(shù)后膽總管結(jié)石復(fù)發(fā)的危險(xiǎn)因素(Plt;0.05)。見表3。
3" "討" " " 論
如何預(yù)防ERCP術(shù)后CBDS復(fù)發(fā)是消化內(nèi)科及肝膽外科醫(yī)生關(guān)注的熱點(diǎn)。有研究報(bào)告指出,ERCP治療后膽總管結(jié)石再發(fā)生率為2%~22%[9],本組病例ERCP術(shù)后膽總管結(jié)石復(fù)發(fā)率為22.8%。本研究結(jié)果顯示,復(fù)發(fā)組患者BMI高于非復(fù)發(fā)組,高BMI是ERCP術(shù)后膽總管結(jié)石復(fù)發(fā)的危險(xiǎn)因素。有研究報(bào)告BMI是導(dǎo)致CBDS復(fù)發(fā)的獨(dú)立風(fēng)險(xiǎn)因素[10-11]。兩項(xiàng)大規(guī)模前瞻性研究表明BMI與膽結(jié)石風(fēng)險(xiǎn)之間存在正相關(guān)性[12-13]。脂質(zhì)堆積會(huì)導(dǎo)致膽固醇結(jié)晶增加,可能引發(fā)膽囊或膽總管結(jié)石的形成。
十二指腸乳頭旁憩室是指在乳頭附近2~3 cm區(qū)域內(nèi)的憩室,普通人群中患病率約20%。有研究認(rèn)為乳頭旁憩室與ERCP術(shù)后膽總管結(jié)石再次發(fā)生相關(guān)[14]。本研究顯示,乳頭旁憩室是ERCP術(shù)后膽總管結(jié)石復(fù)發(fā)的危險(xiǎn)因素??赡苡捎谌轭^旁憩室對(duì)膽管的機(jī)械性壓迫以及憩室內(nèi)殘留食物繼發(fā)感染,導(dǎo)致膽道梗阻,進(jìn)而加速膽總管結(jié)石形成。乳頭旁憩室分為PAD Ⅰ型、Ⅱ型和Ⅲ型,但憩室類型與膽管結(jié)石復(fù)發(fā)之間的關(guān)系尚存在爭(zhēng)議。有研究認(rèn)為,PAD Ⅰ型憩室所含的十二指腸液更容易反流至膽管內(nèi),而且憩室距離十二指腸乳頭越近,對(duì)膽汁排出的影響就越大,因此PAD Ⅰ型憩室的患者更可能出現(xiàn)膽總管結(jié)石的復(fù)發(fā)[15]。
本研究結(jié)果顯示,復(fù)發(fā)組膽總管直徑≥12 mm患者占比高于未復(fù)發(fā)組,膽總管直徑過大是導(dǎo)致CBDS復(fù)發(fā)的危險(xiǎn)因素。龐爾君等[16]研究顯示,膽總管直徑超出10 mm是導(dǎo)致結(jié)石再次出現(xiàn)的危險(xiǎn)因素,與本研究結(jié)果一致。另有研究顯示,膽總管直徑≥10 mm時(shí),ERCP術(shù)后CBDS復(fù)發(fā)率為4.9%,直徑gt;15 mm時(shí)復(fù)發(fā)率升高至19.5%[17-18]。膽總管擴(kuò)張引起膽道功能紊亂,膽汁無(wú)法順利排出,造成膽汁積聚,從而導(dǎo)致結(jié)石復(fù)發(fā)。同時(shí),膽總管擴(kuò)張還會(huì)增加細(xì)菌感染機(jī)會(huì),進(jìn)一步促使結(jié)石形成。
有研究發(fā)現(xiàn),結(jié)石數(shù)量≥2枚和泥沙樣結(jié)石與ERCP術(shù)后膽總管結(jié)石復(fù)發(fā)有關(guān)[19-21],與本研究結(jié)果一致。多個(gè)結(jié)石更難完全清除,造成十二指腸括約肌機(jī)械性損傷和功能障礙。殘余結(jié)石以及泥沙樣結(jié)石將會(huì)成為形成復(fù)發(fā)性膽總管結(jié)石的核心[1,22]。
綜上所述,高BMI、乳頭旁憩室、膽總管直徑≥12 mm、結(jié)石數(shù)量≥2枚、泥沙樣結(jié)石是ERCP術(shù)后膽總管結(jié)石復(fù)發(fā)的危險(xiǎn)因素,針對(duì)這些因素采取干預(yù)措施有助于減少CBDS復(fù)發(fā)的風(fēng)險(xiǎn)。
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[收稿日期] 2024-04-21
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