何小城 伍詠瑤 彭盛 何昀 羅威耀 劉志剛
【摘要】 目的:研究水合氯醛聯(lián)合咪達(dá)唑侖在小兒腰穿術(shù)中的鎮(zhèn)靜效果。方法:選取2017年1-12月佛山市婦幼保健院兒科246例行腰椎穿刺術(shù)的患兒,隨機均分為三組,對照A組術(shù)前給予10%水合氯醛0.5 mL/kg口服,對照B組術(shù)前靜注咪達(dá)唑侖0.2~0.3 mg/kg,觀察組術(shù)前先予以10%水合氯醛0.5 mg/kg口服,30 min后靜注咪達(dá)唑侖0.2~0.3 mg/kg,術(shù)中三組均用麻醉藥物利多卡因進行皮膚局部浸潤麻醉后進針。觀察三組患兒的血氧飽和度、嗆咳、憋氣、喉痙攣、呼吸抑制情況和患兒蘇醒后的鎮(zhèn)定情況,評價藥物鎮(zhèn)靜鎮(zhèn)痛效果及穿刺成功率。結(jié)果:觀察組嗆咳、憋氣、喉痙攣情況均明顯優(yōu)于對照A、B組(P<0.05);對照A組患兒蘇醒后的鎮(zhèn)定情況顯著低于對照B組和觀察組(P<0.05);三組血氧飽和度、呼吸抑制比較,差異無統(tǒng)計學(xué)意義(P>0.05);觀察組鎮(zhèn)靜總有效率顯著高于對照A、B組,制動效果與穿刺成功率均優(yōu)于對照A、B組,差異均有統(tǒng)計學(xué)意義(P<0.05)。結(jié)論:水合氯醛聯(lián)合咪達(dá)唑侖應(yīng)用于臨床小兒腰穿術(shù)中的鎮(zhèn)靜鎮(zhèn)痛效果顯著,可提高穿刺成功率,具有推廣的價值。
【關(guān)鍵詞】 水合氯醛; 咪達(dá)唑侖; 兒童腰椎穿刺術(shù); 鎮(zhèn)靜
【Abstract】 Objective:To study the sedative effects of Chloral Hydrate combined with Midazolam in lumbar puncture of children.Method:A total of 246 cases who underwent lumbar puncture in Pediatric Department of Foshan Maternal and Child Health Care Hospital from January to December 2017 were selected,they were randomly divided into three groups,the control group A was given 0.5 mL/kg of 10% Chloral Hydrate before operation,the control group B was pushed intravenous injection Midazolam 0.2-0.3 mg/kg before operation,before operation the observation group was given 10% Chloral Hydrate 0.5 mg/kg,oral,after 30 min pushed intravenous injection of 0.2-0.3 mg/kg of Midazolam.Three groups were administered by the anesthetic drug Lidocaine to get a partial injection of the skin to the epitope.The blood oxygen saturation,cough,choking,laryngeal spasm,respiratory depression and the state of composure after resuscitation of three groups were observed,the sedative and analgesic effects and the success rate of puncture were evaluated.Result:The cough,choking and laryngeal spasm of the observation group were significantly better than those of the control group A and control group B(P<0.05).The calmness after resuscitation in the control group A was significantly lower than those of the control group B and the observation group(P<0.05).There were no differences among three groups in oxygen saturation and respiratory depression(P>0.05).The total sedation efficiency of the observation group was higher than those of the control group A and B(P<0.05).The braking effect and puncture success rate of the observation group were better than those of the control group A and B(P<0.05).Conclusion:Chloral Hydrate combined with Midazolam have a significant effect on sedation and analgesic in lumbar puncture of children,and can improve the success rate of puncture,it has a value of promoting it.
【Key words】 Chloral hydrate; Midazolam; Lumbar puncture in children; Sedation
First-authors address:Southern Medical University Affiliated Foshan Maternal and Child Health Care Hospital,F(xiàn)oshan 528000,China
doi:10.3969/j.issn.1674-4985.2019.08.040
小兒腰椎穿刺術(shù)(LP)是神經(jīng)內(nèi)科常用的診療操作之一,是指用腰穿針從腰椎間隙穿入腰池,測定腦脊液壓力,收集腦脊液進行臨床檢測并診斷疾病的技術(shù)[1]。但是反復(fù)多次的腰椎穿刺帶來的疼痛,導(dǎo)致患兒恐懼情緒甚至拒絕配合治療[2],因此腰穿術(shù)中對患兒鎮(zhèn)靜鎮(zhèn)痛的環(huán)節(jié)漸被患兒家長及醫(yī)務(wù)人員重視。水合氯醛作為常用催眠藥、抗驚厥藥[3],兒童在口服給藥或灌腸給藥10~30 min后起鎮(zhèn)靜催眠作用,快速起效使患兒入眠,且醒后無不適感[4];咪達(dá)唑侖是一種苯二氮類中樞神經(jīng)抑制藥,在術(shù)前通過靜脈推注給藥,起效迅速,用藥2~5 min后鎮(zhèn)靜效果達(dá)到峰效應(yīng),可維持效果45~60 min[5-6]。兩種藥物因起效快、安全性高等優(yōu)點現(xiàn)廣泛應(yīng)用于兒童術(shù)前鎮(zhèn)靜[7]。單用水合氯醛時,大劑量使用可能會引起昏迷,抑制延髓呼吸及血管運動中樞,導(dǎo)致患兒死亡[8];咪達(dá)唑侖則在兒童術(shù)后恢復(fù)存在蘇醒延遲的問題,術(shù)后可有消極行為發(fā)生[9]。為探析水合氯醛聯(lián)合咪達(dá)唑侖在小兒腰穿術(shù)中的鎮(zhèn)靜鎮(zhèn)定效果,此次研究就本院收治的246例行腰椎穿刺術(shù)的患兒進行相關(guān)研究,現(xiàn)報告如下。
1 資料與方法
1.1 一般資料 選取2017年1-12月佛山市婦幼保健院兒科246例行LP術(shù)的患兒為研究對象,年齡8個月~5.1歲,平均(3.52±1.54)歲,男131例,女115例,平均體重為(15.52±3.54)kg。納入標(biāo)準(zhǔn):存在LP指征,需行LP術(shù)來明確診斷或治療的患兒。排除標(biāo)準(zhǔn):嚴(yán)重的呼吸系統(tǒng)及循環(huán)系統(tǒng)疾病,肝腎功能障礙者;病情危重或敗血癥及穿刺部位的皮膚、組織或脊柱有感染;嚴(yán)重的顱腦病變或脊柱外傷病變;潛在過敏可能性的患兒。將其隨機均分為三組,對照A組、對照B組和觀察組,每組82例。經(jīng)醫(yī)學(xué)倫理會同意,患兒家屬知情了解,并簽署同意書。
1.2 方法
1.2.1 藥物與儀器 10%水合氯醛100 mL︰10 g,南方醫(yī)科大學(xué)南方醫(yī)院配置,批準(zhǔn)文號:粵藥制字H07022737,術(shù)前30 min按體重0.5 mL/kg服用,一次最大限量為1 g。咪達(dá)唑侖1 mL︰5 mg,生產(chǎn)廠家:江蘇恩華藥業(yè)股份有限公司,國藥準(zhǔn)字號H19990027,術(shù)前1 min按體重靜脈推注0.2~0.3 mg/kg,且時間大于30 s。2%鹽酸利多卡因5 mL︰0.1 g,生產(chǎn)廠家:中國大冢制藥有限公司,批號:國藥準(zhǔn)字H20065387,術(shù)中局麻一次給藥總量不超過4.0~4.5 mg/kg。心電監(jiān)護儀(PHILIPS GS20),上海飛利浦公司生產(chǎn)。
1.2.2 操作 所有患兒均接受常規(guī)兒童腰穿術(shù)檢查,對照A組術(shù)前30 min給予10%水合氯醛0.5 mL/kg口服;對照B組術(shù)前1 min靜注咪達(dá)唑侖0.2~0.3 mg/kg;觀察組術(shù)前30 min先予以10%水合氯醛0.5 mg/kg口服,術(shù)前1 min靜注0.2~0.3 mg/kg的咪達(dá)唑侖,均取彎腰側(cè)臥位,使用2%利多卡因局部麻醉后,以7號腰穿針(規(guī)格0.7 mm×90 mm)執(zhí)行穿刺操作,嚴(yán)格遵循操作原則,患兒穿刺可在腰椎第3~4間隙進行,約在兩側(cè)髂后上棘的連線與后正中線的相交處。4歲以下的兒童,則選腰椎4~5棘突間隙做穿刺點,以防傷及脊髓。兒童進針深度為2~4 cm。術(shù)中測壓,并用無菌操作法收集腦脊液2~5 mL送檢常規(guī)生化、三大染色及細(xì)菌培養(yǎng)。術(shù)后患兒去枕俯臥或平臥4~6 h[10],以免引起術(shù)后低顱壓頭痛。
1.3 觀察指標(biāo)
1.3.1 通過心電監(jiān)護儀實時監(jiān)測LP術(shù)前、術(shù)中、術(shù)后患兒血氧飽和度,觀察并記錄術(shù)中嗆咳、憋氣、喉痙攣、呼吸抑制及蘇醒后鎮(zhèn)定等情況,患兒手術(shù)蘇醒后鎮(zhèn)定情況是指患兒鎮(zhèn)定、不焦慮煩躁、不哭鬧、對藥物作用期間所發(fā)生的事情遺忘等[8]。
1.3.2 穿刺成功率 比較并計算三組穿刺成功率,穿刺成功率=(一次穿刺成功例數(shù)+多次穿刺成功例數(shù))/總例數(shù)×100%。
1.4 鎮(zhèn)靜鎮(zhèn)痛標(biāo)準(zhǔn)判斷 采用Ramsay分級評估鎮(zhèn)靜,1分為不安、煩躁;2分為安靜合作;3分為嗜睡,聽從指令;4分為嗜睡,但可喚醒;5分為睡眠狀態(tài),呼吸反應(yīng)遲鈍;6分為深睡狀態(tài),無任何反應(yīng)[11]。其中2~4分鎮(zhèn)靜效果最好,可行LP術(shù)。采用Flacc量表評估鎮(zhèn)痛,0分為不痛,1~3分為輕度疼痛,4~6分為中度疼痛,7~9分為重度疼痛,10分為劇烈疼痛[12]。鎮(zhèn)靜鎮(zhèn)痛劃分標(biāo)準(zhǔn),無效:Ramsay評分為1分,F(xiàn)LACC評分為10分;顯效:Ramsay評分為2~4分,F(xiàn)LACC評分為7~9分;好轉(zhuǎn):Ramsay評分為5分,F(xiàn)LACC評分為4~6分;完全起效:Ramsay評分為6分,F(xiàn)LACC評分為0~3分。鎮(zhèn)靜鎮(zhèn)痛總有效=完全起效+好轉(zhuǎn)+顯效。
1.5 統(tǒng)計學(xué)處理 采用SPSS 21.0軟件對所得數(shù)據(jù)進行統(tǒng)計分析,計量資料用(x±s)表示,多組間比較采用F檢驗;計數(shù)資料以率(%)表示,比較采用字2檢驗。以P<0.05為差異有統(tǒng)計學(xué)意義。
2 結(jié)果
2.1 三組一般資料比較 對照A組,男46例,女36例,平均年齡(3.78±0.94)歲,平均體重(16.44±3.06)kg;對照B組,男41例,女41例,平均年齡(3.44±1.64)歲,平均體重(15.68±3.37)kg;觀察組,男44例,女38例,平均年齡(3.02±1.94)歲,平均體重(15.02±3.84)kg。三組年齡、性別、體重比較,差異均無統(tǒng)計學(xué)意義(P>0.05),具有可比性。
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(收稿日期:2018-12-26) (本文編輯:程旭然)