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      食道超聲引導(dǎo)下小切口室間隔缺損封堵術(shù)治療先天性室間隔缺損的臨床研究

      2018-02-06 18:50:48劉秋華夏旭鄭輝王婷

      劉秋華 夏旭 鄭輝 王婷

      【摘要】 目的:探討食道超聲引導(dǎo)下小切口室間隔缺損封堵術(shù)治療先天性室間隔缺損的臨床療效。方法:選取2013年7月-2016年7月于本院就診的先天性室間隔缺損患者54例,患者均接受食道超聲引導(dǎo)下小切口室間隔缺損封堵術(shù)治療,觀察患者手術(shù)前后的左心功能及血流動(dòng)力學(xué)指標(biāo)。結(jié)果:54例患者均介入封堵成功,手術(shù)時(shí)間40~108 min,平均(58.32±16.77)min,無中轉(zhuǎn)體外循環(huán),封堵器安置后即行食道超聲檢查,封堵器位置、形態(tài)適宜,效果良好,9例患者出現(xiàn)少量殘余分流,術(shù)后5 d復(fù)查超聲提示分流消失,術(shù)后住院時(shí)間(5.65±1.34)d;患者術(shù)后3 d、1個(gè)月、6個(gè)月、1年的左心功能及血流動(dòng)力學(xué)指標(biāo)均顯著低于術(shù)前,比較差異均有統(tǒng)計(jì)學(xué)意義(P<0.05)。結(jié)論:食道超聲引導(dǎo)下小切口室間隔缺損封堵術(shù)治療先天性室間隔缺損的操作簡單,創(chuàng)傷小,安全性高,術(shù)后患者的左心功能及血流動(dòng)力學(xué)均有效改善。

      【關(guān)鍵詞】 先天性室間隔缺損; 食道超聲; 小切口室間隔缺損封堵術(shù)

      Clinical Study of Esophagus Ultrasound Guided Small Incision Ventricular Septal Defect Closure in Treatment of Congenital Ventricular Septal Defect/LIU Qiuhua,XIA Xu,ZHENG Hui,et al.//Medical Innovation of China,2018,15(01):123-125

      【Abstract】 Objective:To explore the clinical effect of esophagus ultrasound guided small incision ventricular septal defect closure in the treatment of congenital ventricular septal defect.Method:A total of 54 patients with congenital ventricular septal defect from July 2013 to July 2016 in our hospital were selected.They were treated with esophagus ultrasound guided small incision ventricular septal defect closure.The left ventricular function and hemodynamic indexes of patients before and after operation were observed.Result:All the 54 patients were successfully occluded,the operation time was 40-108 min,average(58.32±16.77) min,there was no transit cardiopulmonary bypass,the transesophageal ultrasound was performed immediately after the occluder was installed,occluder position and shape suitable,good effect,a small amount of residual shunt were found in 9 cases,and the disappearance of shunt was suggested after operation 5 days,the postoperative hospitalization time was(5.65±1.34)d.The left ventricular function and hemodynamic indexes of patients after operation

      3 d,1 month,6 months and 1 year were significantly lower than those before operation,the differences were statistically significant(P<0.05).Conclusion:The operation of esophagus ultrasound guided small incision ventricular septal defect closure for the treatment of congenital ventricular septal defect is simple,small wound and high safety,and the left ventricular function and hemodynamics of the patients after operation were improved effectively.

      【Key words】 Congenital ventricular septal defect; Esophagus ultrasound; Small incision ventricular septal defect closure

      First-authors address:Qingyuan Peoples Hospital,Qingyuan 511500,China

      doi:10.3969/j.issn.1674-4985.2018.01.034

      先天性室間隔缺損是最常見的先天性心臟畸形之一,約占先天性心臟病的20%。以往臨床上采用外科手術(shù)治療,但需體外循環(huán),且手術(shù)創(chuàng)傷大[1]。隨著臨床技術(shù)的不斷提高,經(jīng)食管超聲引導(dǎo)小切口室間隔缺損封堵術(shù)作為一種新的微創(chuàng)技術(shù)廣泛應(yīng)用[2]。本文探討食道超聲引導(dǎo)下小切口室間隔缺損封堵術(shù)治療先天性室間隔缺損的臨床療效,以期為臨床治療提供參考依據(jù),現(xiàn)報(bào)道如下。endprint

      1 資料與方法

      1.1 一般資料 選取2013年7月-2016年7月于本院就診的先天性室間隔缺損患者54例。納入標(biāo)準(zhǔn):經(jīng)B型超聲檢查確診為先天性室間隔缺損的患者;適合手術(shù)治療,溝通交流無障礙者。排除標(biāo)準(zhǔn):先天性心臟病合并其他疾病者,如智力障礙,精神異常,腦功能受損;肺動(dòng)脈高壓所致Eisemenger綜合征、主動(dòng)脈瓣脫垂、主動(dòng)脈瓣關(guān)閉不全等患者。54例患者中男29例,女25例,年齡1~27歲,平均(12.74±2.35)歲;患者術(shù)前均行彩超檢查并確診。本研究經(jīng)院倫理委員會(huì)批準(zhǔn)且同意,患者及家屬均對(duì)本研究知情且同意。

      1.2 方法 術(shù)前行經(jīng)食道超聲心動(dòng)圖掃描,患者行氣管插管全麻,經(jīng)口腔插入食道超聲探頭,連續(xù)多切面、全程掃查,確定室缺位置、大小、類型及與主動(dòng)脈瓣、三尖瓣的距離,判斷是否有繼發(fā)瓣膜反流。于患者胸骨左緣第3或第4肋間做3 cm切口,切開心包并懸吊,在右心室確定荷包縫合部位,20號(hào)穿刺針在縫合套圈內(nèi)穿刺,靜脈注射肝素100 U/kg,TEE下插入導(dǎo)絲并穿過缺損,沿導(dǎo)絲引入鞘管至左室,退出導(dǎo)絲置入適宜的封堵器,TEE下確定封堵器適宜且穩(wěn)定后,下推送桿并退出鞘管,將荷包收緊,壓迫止血,心包開窗,放置左側(cè)胸腔引流管后,再常規(guī)關(guān)胸[3]。

      1.3 觀察指標(biāo) 患者術(shù)前及術(shù)后3 d、1個(gè)月、6個(gè)月、1年均行超聲心電圖檢查。其中左心功能指標(biāo)包括:左房內(nèi)徑(LA)、左室舒張末期內(nèi)徑(LVEDD)、左室收縮末期內(nèi)徑(LVESD);血流動(dòng)力學(xué)指標(biāo)包括:肺動(dòng)脈壓力(PASP)、每分輸出量(CO)、每博輸出量(SV)、左室射血分?jǐn)?shù)(EF)、左室短軸收縮率(FS)[4]。

      1.4 統(tǒng)計(jì)學(xué)處理 使用SPSS 22.0軟件對(duì)所得數(shù)據(jù)進(jìn)行統(tǒng)計(jì)分析,計(jì)量資料用(x±s)表示,比較采用配對(duì)t檢驗(yàn),以P<0.05為差異有統(tǒng)計(jì)學(xué)意義。

      2 結(jié)果

      54例患者均介入封堵成功,手術(shù)時(shí)間40~108 min,平均(58.32±16.77)min,無中轉(zhuǎn)體外循環(huán),封堵器安置后即行食道超聲檢查,封堵器位置、形態(tài)適宜,效果良好,9例患者出現(xiàn)少量殘余分流,術(shù)后5 d復(fù)查超聲均提示分流消失,術(shù)后住院時(shí)間(5.65±1.34)d?;颊咝g(shù)后3 d、1個(gè)月、6個(gè)月、1年的LA、LVEDD、LVESD、PASP、CO、SV、EF、FS均顯著低于術(shù)前,比較差異均有統(tǒng)計(jì)學(xué)意義(P<0.05),見表1、2。

      3 討論

      先天性室間隔缺損是胚胎心室間隔發(fā)育不完善導(dǎo)致的左右心室通道異常,產(chǎn)生心室水平左向右分流的先天性心臟畸形[5-6]。室間隔缺損時(shí),每當(dāng)心室收縮期,血液通過缺損產(chǎn)生左至右分流。嬰兒出生后頭幾周內(nèi),由于肺小動(dòng)脈仍保持某種程度的胚胎期狀態(tài),肺血管阻力仍較高,因此左向右分流量較少,此后分流量逐漸增多[7-8]。由于肺血流量增多,肺靜脈和左心房的壓力亦隨之升高,致使肺間質(zhì)內(nèi)的液體增多,肺組織的順應(yīng)性降低,肺功能受損,且易招致呼吸系感染。因此,分流量增多時(shí),特別在嬰幼兒時(shí)期,會(huì)出現(xiàn)呼吸窘迫[9-10]。原發(fā)孔缺損與室間隔大缺損不容易鑒別,尤其伴有肺動(dòng)脈高壓者,原發(fā)孔缺損的雜音較柔和,常是右心室肥大,伴有二尖瓣分裂的患者可出現(xiàn)左心室肥大[11-12]。心電圖常有P-R間期延長,心向量圖額面QRS環(huán)逆鐘向運(yùn)行,最大向量左偏,環(huán)的主體部移向上向左,有鑒別價(jià)值[13],但最可靠的是心導(dǎo)管檢查,應(yīng)用超聲心動(dòng)圖檢查也是鑒別診斷意義。對(duì)左心室-右心房缺損的鑒別診斷應(yīng)予注意[14]。

      隨著近年來臨床封堵技術(shù)的不斷發(fā)展,越來越多的先天性心臟病患者得到有效治療[15-16]。食道超聲引導(dǎo)下小切口室間隔缺損封堵術(shù)具有操作簡單、創(chuàng)傷小、適應(yīng)證患者年齡范圍大、風(fēng)險(xiǎn)低、并發(fā)癥發(fā)生率低等優(yōu)點(diǎn),且不受X線輻射,也不需輸血,術(shù)后無須轉(zhuǎn)ICU監(jiān)護(hù),患者恢復(fù)快,是治療先天性室間隔缺損的一種有效新方法[17-18]。本研究結(jié)果顯示,54例患者均介入封堵成功,手術(shù)時(shí)間為(58.32±16.77)min,術(shù)后住院時(shí)間(5.65±1.34)d;

      患者術(shù)后3 d、1個(gè)月、6個(gè)月、1年的LA、LVEDD、LVESD、PASP、CO、SV、EF、FS均顯著低于術(shù)前,比較差異均有統(tǒng)計(jì)學(xué)意義(P<0.05)。這是由于先天性室間隔缺損患者由于存在室水平左向右分流,其肺循環(huán)血流量增多,肺靜脈、左心房壓力及左心室舒張末期容量負(fù)荷、左心室舒張末期前后徑增加,經(jīng)食道超聲引導(dǎo)下小切口室間隔缺損封堵術(shù)治療后,心室水平左向右消失,左心房、心室容量負(fù)荷降低,肺動(dòng)脈、主動(dòng)脈血流減少,主動(dòng)脈內(nèi)徑變小,左心室心肌纖維逐步回縮,使得左心室收縮力逐漸回復(fù)正常,左心功能及血流動(dòng)力學(xué)改善[19-20]。

      綜上所述,食道超聲引導(dǎo)下小切口室間隔缺損封堵術(shù)治療先天性室間隔缺損的操作簡單,創(chuàng)傷小,安全性高,術(shù)后患者的左心功能及血流動(dòng)力學(xué)均有效改善。

      參考文獻(xiàn)

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      [6] Araki T,Emoto M,Teramura M,et al.Effect of adiponectin on carotid arterial stiffness in type 2 diabetic patients treated with pioglitazone and metformin[J].Metabolism,2006,55(8):996.

      [7]趙樹林,胡義杰,陳建明,等.經(jīng)胸小切口室間隔缺損封堵術(shù)的臨床應(yīng)用[J].重慶醫(yī)學(xué),2016,45(20):2839-2841.

      [8]劉影,劉俊成,周學(xué)峰,等.經(jīng)胸與經(jīng)食道超聲心動(dòng)圖在導(dǎo)管介入與經(jīng)胸小切口封堵術(shù)中的比較[J].西部醫(yī)學(xué),2013,25(4):572-573,577.

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      (收稿日期:2017-09-25) (本文編輯:董悅)endprint

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