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        復(fù)方利多卡因乳膏在全身麻醉胃減容術(shù)蘇醒期中的作用研究

        2017-05-31 17:42:39魯婷魏國華沈健
        中國當(dāng)代醫(yī)藥 2016年34期

        魯婷+魏國華+沈健

        [摘要]目的 探討復(fù)方利多卡因乳膏在全身麻醉胃減容術(shù)蘇醒中的作用。方法 選取2015年10月~2016年3月在我院擇期行全身麻醉下腹腔鏡胃減容術(shù)的60例患者作為研究對象,BMI為35~58.5 kg/m2。將入選患者隨機(jī)分為L組(復(fù)方利多卡因乳膏組)和C組(對照組),各30例。L組氣管導(dǎo)管前1/3涂抹 1.0~1.5 g復(fù)方利多卡因乳膏,C組氣管導(dǎo)管表面不涂任何藥物。比較兩組麻醉前(T0)、拔管前1 min(T1)、拔管即刻(T2)、拔管后1 min(T3)、拔管后3 min(T4)、拔管后5 min(T5)的平均動(dòng)脈壓(MAP)、心率(HR)、血氧飽和度(SpO2)水平,記錄兩組蘇醒拔管過程中的屏氣、嗆咳和煩躁發(fā)生情況。結(jié)果 C組T1~T5各時(shí)間點(diǎn)的MAP和HR值高于T0時(shí)間點(diǎn)值,差異有統(tǒng)計(jì)學(xué)意義(P<0.05);T3~T5時(shí)間點(diǎn)的SpO2值低于T0時(shí)間點(diǎn)值,差異有統(tǒng)計(jì)學(xué)意義(P<0.05)。L組T1~T5各時(shí)間點(diǎn)的MAP、HR和SpO2值與T0時(shí)間點(diǎn)值比較,差異無統(tǒng)計(jì)學(xué)意義(P>0.05)。L組T1~T5各時(shí)間點(diǎn)的MAP和HR值顯著低于C組對應(yīng)時(shí)間點(diǎn)值,差異有統(tǒng)計(jì)學(xué)意義(P<0.05);T3~T5時(shí)間點(diǎn)的SpO2值高于C組對應(yīng)時(shí)間點(diǎn)值,差異有統(tǒng)計(jì)學(xué)意義(P<0.05)。L組的嗆咳、屏氣、躁動(dòng)等不良反應(yīng)發(fā)生率低于C組,差異有統(tǒng)計(jì)學(xué)意義(P<0.05)。結(jié)論 復(fù)方利多卡因乳膏涂抹于氣管導(dǎo)管外壁可有效抑制全身麻醉胃減容術(shù)蘇醒期氣管導(dǎo)管的刺激,使患者平穩(wěn)度過蘇醒拔管期。

        [關(guān)鍵詞]復(fù)方利多卡因乳膏;胃減容術(shù);氣管拔管;心血管反應(yīng)

        [中圖分類號] R614.3 [文獻(xiàn)標(biāo)識碼] A [文章編號] 1674-4721(2016)12(a)-0117-03

        Effect study of Compound Lidocaine Cream in the recovery period of general anesthesia for gastric reduction surgery

        LU Ting WEI Guo-hua SHEN Jian

        Department of Anesthesia,People′s Hospital of Jiangsu Province,Nanjing 210029,China

        [Abstract]Objective To explore the effect of Compound Lidocaine Cream in the recovery period of general anesthesia for gastric reduction surgery.Methods 60 patients underwent selective gastric reduction surgery under general anesthesia from October 2015 to March 2016 in our hospital were selected as the research subjects,the body mass index was 35-58.5 kg/m2.All patients were randomly divided into group L (Compound Lidocaine Cream group) and group C (the control group),30 cases in each group.The first 1/3 tracheal catheter in group L was applied with 1.0-1.5 g Compound Lidocaine Cream,while,no medication was applied to the tracheal catheter in group C.The level of mean arterial pressure (MAP),heart rate (HR) and oxygen saturation (SpO2) before anesthesia (T0),1 min before extubation (T1),extubation (T2),1 min after extubation (T3),3 min after extubation (T4),5 min after extubation (T5) in the two groups were compared,the incidence rate of cough reflex,breath holding and restlessness during extubation in the two groups were recorded.Results The level of MAP and HR in group C at T1-T5 was higher than that at T0,with significant difference (P<0.05).The level of SpO2 in group C at T3-T5 was lower than that at T0,with significant difference (P<0.05).There was no significant difference in the level of MAP,HR and SpO2 in group L between T1-T5 and T0 (P>0.05).The level of MAP and HR in group L at T1-T5 was lower than that in group C at T1-T5,with significant difference (P<0.05).The level of SpO2 in group L at T3-T5 was higher than that in group C at T3-T5,with significant difference (P<0.05).The incidence rate ofcough reflex,breath holding and restlessness during extubation in group L was lower than that in group C,with significant difference (P<0.05).Conclusion Application of Compound Lidocaine Cream applied to the outer wall of the tracheal catheter can effectively inhibit the stimulation of tracheal catheter in the recovery period of general anesthesia for gastric reduction surgery,make the patient get through the recovery and extubation period smoothly.

        [Key words]Compound Lidocaine Cream;Gastric reduction surgery;Tracheal extubation;Cardiovascular response

        近年來,腹腔鏡胃減容術(shù)因具有創(chuàng)傷小、手術(shù)時(shí)間短、術(shù)后恢復(fù)迅速、減重效果確切和安全性高等特點(diǎn)而備受關(guān)注,但病態(tài)肥胖患者(BMI>35 kg/m2)由于生理病理的改變,全身麻醉后易出現(xiàn)呼吸道問題而影響該類患者的生命安全[1-2],因此,給此類患者拔管應(yīng)十分慎重,需等患者完全清醒后能夠配合指令再進(jìn)行拔管,以最大程度地保證其安全。在全身麻醉蘇醒期,拔管和吸痰等操作易引起患者出現(xiàn)嗆咳、屏氣、煩躁、低氧血癥和心血管不良反應(yīng)等諸多問題[3],如何減少拔管過程中的不良反應(yīng)并使患者能夠在清醒的狀態(tài)下呼吸規(guī)律和配合指令是擺在麻醉醫(yī)師面前的一個(gè)難題。近年來,將復(fù)方利多卡因乳膏涂抹于氣管導(dǎo)管上的方法在臨床中被應(yīng)用廣泛,取得了滿意的效果[4-6]。為探討復(fù)方利多卡因乳膏在全身麻醉胃減容術(shù)蘇醒中的作用,本研究對進(jìn)行腹腔鏡胃減容術(shù)的病態(tài)肥胖患者進(jìn)行了分組比較,現(xiàn)將結(jié)果報(bào)道如下。

        1資料與方法

        1.1一般資料

        選取2015年10月~2016年3月在我院行全身麻醉胃減容術(shù)的60例患者作為研究對象,均為ASA Ⅰ~Ⅱ級,BMI為35~58.5 kg/m2。按照隨機(jī)數(shù)字表法于術(shù)前訪視后將入選患者分為L組(復(fù)方利多卡因乳膏組)和C組(對照組),各30例。L組中,男性17例,女性13例;年齡21~45歲,平均(32.1±3.5)歲;BMI為35~56.8 kg/m2,平均(41.1±8.9 )g/m2;手術(shù)時(shí)間為(1.3±0.6)h,拔管時(shí)間為(0.42±0.27)h。C組中,男性16例,女性14例;年齡20~46歲,平均(34.1±2.9)歲;BMI為36~58.5 kg/m2,平均(40.2±9.4)kg/m2;手術(shù)時(shí)間為(1.4±0.5)h;拔管時(shí)間為(0.39±0.30)h。麻醉醫(yī)師向患者及其家屬詳細(xì)介紹了復(fù)方利多卡因乳膏的功效,患者及家屬對本次實(shí)驗(yàn)研究均知情并同意,且自愿納入本次研究。兩組的一般資料比較,差異無統(tǒng)計(jì)學(xué)意義(P>0.05),具有可比性。

        1.2麻醉方法

        患者入室后常規(guī)監(jiān)測ECG、SpO2、無創(chuàng)血壓,開放靜脈,局部麻醉下行橈動(dòng)脈穿刺監(jiān)測有創(chuàng)血壓。L組氣管導(dǎo)管前1/3涂抹1.0~1.5 g復(fù)方利多卡因乳膏(北京紫光制藥有限公司,國藥準(zhǔn)字 H20063466),C組氣管導(dǎo)管表面不涂任何藥物。麻醉誘導(dǎo)前30 min靜脈給予東莨菪堿0.3 mg,誘導(dǎo)時(shí)氧流量面罩預(yù)給氧5 min,氧氣流速為8 L/min。按照標(biāo)準(zhǔn)體重進(jìn)行誘導(dǎo),具體為咪達(dá)唑侖0.05 mg/kg、異丙酚1.5 mg/kg、芬太尼4 μg/kg、羅庫溴銨0.6 mg/kg。麻醉維持采用異丙酚、阿曲庫銨和瑞芬太尼,按照1∶1空氧混合吸入。VT:8~10 ml/kg;呼吸頻率:10~12次/min;PEEP:10 mmHg;PetCO2維持在35~45 mmHg。術(shù)畢充分吸痰,適當(dāng)張肺,待患者自主呼吸規(guī)律后給予新斯的明0.04 mg/kg,阿托品0.016 mg/kg,完全清醒后拔除氣管導(dǎo)管。

        1.3觀察指標(biāo)

        比較兩組麻醉前(T0)、拔管前1 min(T1)、拔管即刻(T2)、拔管后1 min(T3)、拔管后3 min(T4)、拔管后5 min(T5)的平均動(dòng)脈壓(MAP)、心率(HR)、血氧飽和度(SpO2)值,記錄兩組蘇醒過程中的嗆咳、屏氣和煩躁發(fā)生情況。

        1.4統(tǒng)計(jì)學(xué)處理

        采用SPSS 17.0統(tǒng)計(jì)學(xué)軟件對數(shù)據(jù)進(jìn)行分析,計(jì)量資料以x±s表示,組間各時(shí)間點(diǎn)比較采用t檢驗(yàn),組內(nèi)各組比較采用配對t檢驗(yàn),計(jì)數(shù)資料采用χ2檢驗(yàn),以P<0.05為差異有統(tǒng)計(jì)學(xué)意義。

        2結(jié)果

        2.1兩組MAP、HR和SpO2值的比較

        C組T1~T5各時(shí)間點(diǎn)的MAP和HR值高于T0時(shí)間點(diǎn)值,差異有統(tǒng)計(jì)學(xué)意義(P<0.05);T3~T5時(shí)間點(diǎn)的SpO2值低于T0時(shí)間點(diǎn)值,差異有統(tǒng)計(jì)學(xué)意義(P<0.05)。L組T1~T5各時(shí)間點(diǎn)的MAP、HR和SpO2值與T0時(shí)間點(diǎn)值比較,差異無統(tǒng)計(jì)學(xué)意義(P>0.05)。L組T1~T5各時(shí)間點(diǎn)的MAP和HR值顯著低于C組對應(yīng)時(shí)間點(diǎn)值,差異有統(tǒng)計(jì)學(xué)意義(P<0.05);T3~T5時(shí)間點(diǎn)的SpO2值高于C組對應(yīng)時(shí)間點(diǎn)值,差異有統(tǒng)計(jì)學(xué)意義(P<0.05)(表1)。

        2.2兩組拔管時(shí)不良反應(yīng)發(fā)生率的比較

        L組的嗆咳、屏氣、躁動(dòng)等不良反應(yīng)發(fā)生率低于C組,差異有統(tǒng)計(jì)學(xué)意義(P<0.05)(表2)。

        3討論

        病態(tài)肥胖患者由于咽部脂肪組織堆積,舌體肥大,咽腔狹窄,導(dǎo)致軟腭與會厭之間的口咽壁易于塌陷而更易發(fā)生氣道梗阻[0]。此外,該類患者頸部和下頜部脂肪較厚,容易壓迫上呼吸道引起呼吸道梗阻[7-10],故術(shù)后需待其肌張力完全恢復(fù)、意思清醒后方可拔管,否則極易導(dǎo)致該類患者出現(xiàn)上呼吸道梗阻。拔管指征包括:①患者完全清醒;②肌松藥及阿片類藥殘余作用已完全消失;③吸入40%的氧時(shí),血pH值正常,PaO2>80 mmHg或SpO2>96%,PaCO2<50 mmHg;④呼吸器顯示的最大吸力至少達(dá)25~30 cmH2O,潮氣量>5 ml/kg;⑤循環(huán)功能穩(wěn)定[11]。隨著肌張力和意識的恢復(fù),氣管導(dǎo)管的刺激越發(fā)強(qiáng)烈,易引發(fā)屏氣和煩躁,導(dǎo)致SpO2下降,同時(shí)激活交感-腎上腺軸,引起心血管系統(tǒng)應(yīng)激反應(yīng),進(jìn)而出現(xiàn)高血壓性腦病、缺血性心臟病等嚴(yán)重并發(fā)癥[12]。

        復(fù)方利多卡因乳膏為兩種常用局部麻醉藥的混合物,每克含丙胺卡因25 mg、利多卡因25 mg,能迅速滲透到皮膚和黏膜表面,臨床上主要用于有創(chuàng)穿刺和一些表淺手術(shù)中[12-13]。有研究發(fā)現(xiàn),將復(fù)方利多卡因乳膏涂抹于氣管導(dǎo)管表面,隨著藥物的緩慢滲透,能夠產(chǎn)生并維持4 h左右的氣管黏膜表面麻醉效果,可以顯著降低氣道黏膜對氣管導(dǎo)管的敏感性,延長患者耐管時(shí)間[14-16]。本研究結(jié)果顯示,將復(fù)方利多卡因乳膏涂抹于氣管導(dǎo)管表面用于胃減容術(shù),可以有效抑制氣管導(dǎo)管的刺激,使患者平穩(wěn)安全地度過蘇醒期,直至肌張力完全恢復(fù),意識清醒,拔出氣管導(dǎo)管。

        綜上所述,復(fù)方利多卡因乳膏涂抹于氣管導(dǎo)管外壁可有效抑制全身麻醉胃減容術(shù)蘇醒期氣管導(dǎo)管的刺激,使患者平穩(wěn)度過蘇醒拔管期。

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