胡柳生 王薇 曾慧憬 石雙平
星狀神經(jīng)節(jié)阻滯對(duì)預(yù)防斷指再植術(shù)后血管危象的臨床觀察
胡柳生 王薇 曾慧憬 石雙平
目的 探討星狀神經(jīng)節(jié)阻滯對(duì)預(yù)防斷指再植術(shù)后血管危象的臨床效果。方法 110例手指離斷患者分為觀察組65例和對(duì)照組45例,兩組患者均予斷指再植術(shù)治療,觀察組患者術(shù)后給予連續(xù)星狀神經(jīng)節(jié)阻滯,比較兩組患者術(shù)后不同時(shí)間患側(cè)橈動(dòng)脈血流速度、血管危象發(fā)生率、再植成活率及不良反應(yīng)發(fā)生率。結(jié)果 觀察組患者術(shù)后1h、24h、48h、72h患側(cè)橈動(dòng)脈血流速度高于對(duì)照組,差異有統(tǒng)計(jì)學(xué)意義(P<0.05);觀察組患者血管危象發(fā)生率低于對(duì)照組,再植指成活率高于對(duì)照組,差異均有統(tǒng)計(jì)學(xué)意義(P<0.05);兩組患者不良反應(yīng)發(fā)生率比較,差異無統(tǒng)計(jì)學(xué)意義(P>0.05)。結(jié)論 星狀神經(jīng)節(jié)阻滯能有效提高患側(cè)橈動(dòng)脈血流速度,預(yù)防再植術(shù)后血管危象的發(fā)生,提高再植成活率,無明顯副作用,臨床應(yīng)用價(jià)值較高。
星狀神經(jīng)節(jié)阻滯 斷指再植術(shù) 血管危象 再植指成活率
斷指再植術(shù)是治療手指離斷的有效術(shù)式,重建血管的循環(huán)功能是影響再植指成活率的關(guān)鍵[1]。斷指再植術(shù)后短期內(nèi)易發(fā)生血管危象及栓塞,可導(dǎo)致再植成活率降低[2]。連續(xù)星狀神經(jīng)節(jié)阻滯具有擴(kuò)張血管和增加局部血流的效果,能有效預(yù)防斷指再植術(shù)后血管危象的發(fā)生,提高再植成活率[3]。作者應(yīng)用連續(xù)星狀神經(jīng)節(jié)阻滯預(yù)防斷指再植術(shù)后血管危象,臨床效果良好,報(bào)道如下。
1.1一般資料 選擇2013年3月至2014年3月本院收治的手指離斷患者110例。分為觀察組65例(84指),男46例,女19例;平均年齡(30.26±5.74)歲。斷指再植術(shù)后應(yīng)用連續(xù)星狀神經(jīng)節(jié)阻滯。對(duì)照組45例(59指),男34例,女11例;平均年齡(31.11±5.85)歲。斷指再植術(shù)后予常規(guī)治療。所有患者均為2~4指中、近節(jié)單平面完全離斷,ASAⅠ~Ⅱ級(jí)。排除全身血液系統(tǒng)疾病或嚴(yán)重臟器疾病、慢性基礎(chǔ)疾病(糖尿病、高血壓等)及精神系統(tǒng)疾病。所有患者均對(duì)本項(xiàng)目知情同意并簽署同意書。兩組患者在性別、年齡、離斷指缺血時(shí)間、離斷指別、離斷平面及致傷原因等差異無統(tǒng)計(jì)學(xué)意義(P>0.05),見表1。具有可比性。

表1 兩組患者臨床資料比較(n,%)
1.2方法 兩組患者均給予臂叢阻滯麻醉,2%利多卡因10ml+0.75%布比卡因10ml。常規(guī)實(shí)施斷指再植術(shù)。觀察組患者在術(shù)后即刻給患側(cè)入路連續(xù)星狀神經(jīng)節(jié)阻滯。患者取仰臥位,頭部轉(zhuǎn)向?qū)?cè),使用注射器連接18號(hào)或20號(hào)靜脈留置針在B超引導(dǎo)下進(jìn)行穿刺,穿刺到位后將1%利多卡因10ml注入,穿刺成功征象為阻滯側(cè)出現(xiàn)Homer征[4]。拔出留置針針芯,連接電子鎮(zhèn)痛輸注泵,限制患者頭頸活動(dòng),持續(xù)泵注1%羅哌卡因40ml和0.9%氯化鈉注射液160ml。背景劑量2ml/h,自控量0.5ml/次,鎖定時(shí)間15min。兩組患者術(shù)后均給予靜脈鎮(zhèn)痛,以患者疼痛視覺模擬評(píng)分(VAS)<3分為標(biāo)準(zhǔn)[5]。
1.3觀察指標(biāo) 比較兩組患者術(shù)后不同時(shí)間患側(cè)橈動(dòng)脈血流速度、血管危象發(fā)生率、再植指成活率及不良反應(yīng)發(fā)生率。橈動(dòng)脈血流速度應(yīng)用貝斯曼BV-620V便攜式血流探測(cè)儀(德國)測(cè)定。血管危象診斷標(biāo)準(zhǔn):再植指溫度比正常指低>3℃;毛細(xì)血管充盈時(shí)間>2s或充盈消失;指腹張力增加,色澤由潮紅轉(zhuǎn)為暗紫色或腹張力降低,色澤由潮紅轉(zhuǎn)為蒼白;指端小切口放血未出血或迅速流出暗紫色血液[6]。
2.1兩組患者術(shù)后患側(cè)橈動(dòng)脈血流速度比較 見表2。

表2 兩組患者術(shù)后患側(cè)橈動(dòng)脈血流速度比較[cm/s,(x±s)]
2.2兩組患者術(shù)后血管危象發(fā)生情況及再植指成活率比較 見表3。

表3 兩組患者術(shù)后血管危象發(fā)生情況及再植成活率比較[n(%)]
2.4兩組患者不良反應(yīng)發(fā)生情況比較 見表4。

表4 兩組患者不良反應(yīng)發(fā)生情況比較[n(%)]
斷指再植術(shù)的主要治療原則為修復(fù)、重建離斷手指的血管、神經(jīng)及其他組織,達(dá)到斷指再植的目的[7]。臨床實(shí)踐表明,再植指的成活率與血管循環(huán)功能的修復(fù)、重建效果有關(guān),尤其是斷指再植術(shù)后<10d易因多種因素影響而引起血管危象和栓塞,可能導(dǎo)致再植失敗[8]。因此,術(shù)后采取有效預(yù)防措施,防止血管危象的發(fā)生,對(duì)提高再植指成活率具有重要意義。人體內(nèi)血管壁(除真毛細(xì)血管)均有平滑肌分布,且多數(shù)平滑肌僅受交感縮血管纖維的單一支配[9]。其主要作用過程為交感縮血管纖維末梢釋放去甲腎上腺素,與血管平滑肌α受體結(jié)合,引起血管收縮[10]。星狀神經(jīng)節(jié)是交感神經(jīng)節(jié),星狀神經(jīng)節(jié)被阻滯可降低去甲腎上腺素水平,改善血管收縮情況,使局部血流量增加[11]。因此,連續(xù)星狀神經(jīng)節(jié)阻滯可有效防止局部血管痙攣,降低術(shù)后機(jī)體的應(yīng)激反應(yīng)[12]。本資料中觀察組患者術(shù)后1h、24h、48h、72h患側(cè)橈動(dòng)脈血流速度均高于對(duì)照組,與上述文獻(xiàn)報(bào)道相符。觀察組患者血管危象發(fā)生率低于對(duì)照組,再植指成活率高于對(duì)照組,提示連續(xù)星狀神經(jīng)節(jié)阻滯在預(yù)防斷指再植術(shù)后血管危象,提高再植成活率有顯著臨床效果。
另外,由于連續(xù)星狀神經(jīng)節(jié)阻滯采用側(cè)入法穿刺,穿刺點(diǎn)位于胸鎖乳突肌和前斜角肌之間,對(duì)患者頭頸部活動(dòng)度影響較小,對(duì)軟組織無明顯損傷,操作簡單,適合臨床普及[13]。連續(xù)星狀神經(jīng)節(jié)阻滯采用布比卡因和芬太尼作為神經(jīng)阻滯液,由于用量小于常規(guī)劑量,因此不易產(chǎn)生中毒反應(yīng)或呼吸抑制[14]。使用電子鎮(zhèn)痛泵進(jìn)行神經(jīng)阻滯液持續(xù)泵注,有利于準(zhǔn)確控制泵注量[15]。本資料中兩組患者不良反應(yīng)發(fā)生率比較,差異無統(tǒng)計(jì)學(xué)意義。提示斷指再植術(shù)后采取連續(xù)星狀神經(jīng)節(jié)阻滯未增加不良反應(yīng)發(fā)生率,安全性較高。
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Objective To explore the effi cacy of stellate ganglion block on vascular crisis prevention after fi nger replantation. Methods 110 cases of patients with fi nger mutilation were divided into experiment group(65 cases)and control group(45 cases)according to the patients wether or not use stellate ganglion block. The two groups were treated by replantation of amputated fi nger,the experiment group were treated by stellate ganglion block after surgical as soon as possible. The different time of radial artery blood fl ow velocity,the incidence of vascular crisis,the survival rate of replantation,the incidences of adverse effect were compared for the two groups. Results The radial artery blood fl ow velocity in 1h,24h,48h,72h for the experiment group were higher than the control group(P<0.05); The incidence of vascular crisis for the experiment group were lower than the control group(P<0.05); The survival rate of replantation for the experiment group were higher than the control group(P<0.05); There was no signifi cant difference on the incidences of adverse effect for the two groups(P>0.05). Conclusion The effi cacy of stellate ganglion block on vascular crisis prevention after fi nger replantation is good,it can improve the radial artery blood fl ow velocity,prevent the incidence of vascular crisis,increase the survival rate of replantation,with no signifi cant side effects. It has high clinical value.
Stellate ganglion block Finger replantation vascular crisis The survival rate of replantation
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