熊超 翟文虎 張先杰
【摘要】 目的:比較不同劑量羥考酮聯(lián)合腹橫肌平面阻滯在小兒腹腔鏡疝囊高位結(jié)扎術(shù)中的應(yīng)用效果。方法:選擇2020年1-12月于德陽(yáng)市人民醫(yī)院行單側(cè)腹腔鏡疝囊高位結(jié)扎術(shù)的90例患兒為研究對(duì)象,采用隨機(jī)數(shù)字表法分為A組、B組、C組,每組30例。三組均依次靜脈給予阿托品0.02 mg/kg、舒芬太尼0.3 μg/kg、丙泊酚2.5 mg/kg、順阿曲庫(kù)銨0.15 mg/kg后,A組給予羥考酮0.05 mg/kg,B組給予羥考酮0.1 mg/kg,C組給予同A組等量的0.9%氯化鈉溶液。氣管插管后,3組均以3%七氟烷維持麻醉,氧流量2 L/min,麻醉誘導(dǎo)完成后行超聲引導(dǎo)下患側(cè)腹橫肌平面阻滯(0.33%羅哌卡因,1.5 mg/kg),分別記錄3組患兒麻醉誘導(dǎo)前(T0)、插管即刻(T1)、建立人工氣腹后(T2)、疝囊結(jié)扎時(shí)(T3)、手術(shù)結(jié)束(T4)、蘇醒即刻(T5)的心率(heart rate,HR)、平均動(dòng)脈壓(mean arterial pressure,MAP),記錄T5、離開(kāi)復(fù)蘇室即刻(T6)、術(shù)后4 h(T7)和術(shù)后8 h(T8)患兒的FLACC行為評(píng)分及Ramsay評(píng)分,記錄蘇醒時(shí)間、復(fù)蘇室停留時(shí)間,觀(guān)察患兒術(shù)后惡心、嘔吐、術(shù)后躁動(dòng)、呼吸抑制等不良反應(yīng)發(fā)生率。結(jié)果:A組HR在T1、T2、T3、T5均低于C組(P<0.05),而B(niǎo)組HR、MAP在T1、T2、T3、T4、T5均低于C組(P<0.05)。A組、B組患兒FLACC評(píng)分在T5、T6、T7均低于C組,差異均有統(tǒng)計(jì)學(xué)意義(P<0.05);A組、B組Ramsay評(píng)分在T5、T6、T7均高于C組,差異均有統(tǒng)計(jì)學(xué)意義(P<0.05);B組在T5、T6的FLACC評(píng)分均低于A(yíng)組,差異均有統(tǒng)計(jì)學(xué)意義(P<0.05)。與C組比較,A組、B組蘇醒時(shí)間均稍延長(zhǎng),差異均無(wú)統(tǒng)計(jì)學(xué)意義(P>0.05);與C組比較,B組術(shù)后躁動(dòng)發(fā)生率降低(P<0.05),而A組術(shù)后躁動(dòng)發(fā)生率稍降低,差異無(wú)統(tǒng)計(jì)學(xué)意義(P>0.05);三組的復(fù)蘇室停留時(shí)間和其他不良反應(yīng)比較,差異均無(wú)統(tǒng)計(jì)學(xué)意義(P>0.05)。結(jié)論:0.5 mg/kg及0.1 mg/kg劑量的羥考酮可以安全的用于小兒腹腔鏡疝囊高位結(jié)扎術(shù),可減輕術(shù)后疼痛,而0.1 mg/kg劑量的羥考酮使術(shù)中血流動(dòng)力學(xué)更平穩(wěn),鎮(zhèn)痛效果更好,術(shù)后躁動(dòng)更少。
【關(guān)鍵詞】 羥考酮 腹橫肌平面阻滯 小兒 疝囊高位結(jié)扎術(shù)
[Abstract] Objective: To compare the effects of different doses of Oxycodone combined with transversus abdominis plane block in the high ligation of laparoscopic hernia sac in children. Method: A total of 90 children who underwent unilateral laparoscopic high ligation of hernia sac in Deyang People's Hospital from January to December 2020 were selected as the research objects and divided into group A, group B and group C by random number table method, with 30 cases in each group. The three groups were given Atropine 0.02 mg/kg, Sufentanil 0.3 μg/kg, Propofol 2.5 mg/kg and Cisatracurium 0.15 mg/kg intravenously, group A was given Oxycodone 0.05 mg/kg, group B was given Oxycodone 0.1 mg/kg, and group C was given 0.9% Sodium Chloride Solution of the same amount as group A. After endotracheal intubation, anesthesia was maintained with 3% Sevoflurane and oxygen flow rate was 2 L/min. After anesthesia induction, ultrasound-guided transversal plane block was performed on the affected side (0.33% Ropivacaine, 1.5 mg/kg). The heart rate (HR) and mean arterial pressure (MAP) of the three groups were recorded before anesthesia induction (T0), immediately after intubation (T1), after the establishment of artificial pneumoperitoneum (T2), at the time of hernia sac ligation (T3), after surgery (T4) and immediately after recovery (T5), FLACC behavior score and Ramsay score of T5, immediately after leaving resuscitation room (T6), 4 h after surgery (T7) and 8 h after surgery (T8) were recorded. The recovery time and stay time in resuscitation room were recorded, and the incidence of postoperative nausea, vomiting, postoperative agitation, respiratory depression and other adverse reactions were observed. Result: The intraoperative HR at T1, T2, T3, T5 of group A were lower than those of group C (P<0.05), while the intraoperative HR and MAP at T1, T2, T3, T4, T5 of group B were lower than those of group C (P<0.05). The FLACC scores at T5, T6 and T7 of group A and group B were lower than those in group C, the differences were statistically significant (P<0.05). Ramsay scores at T5, T6 and T7 in group A and group B were higher than those in group C, the differences were statistically significant (P<0.05). The FLACC scores of group B at T5 and T6 were lower than those of group A, the differences were statistically significant (P<0.05). Compared with group C, the recovery time of group A and group B were slightly longer, the differences were not statistically significant (P>0.05); compared with group C, the incidence of postoperative agitation in group B was decreased (P<0.05), while the incidence of postoperative agitation in group A was slightly decreased, with no statistical significance (P>0.05); there were no significant differences in resuscitation room residence time and other adverse reactions among the three groups (P>0.05). Conclusion: 0.5 mg/kg and 0.1 mg/kg Oxycodone can be safely used in pediatric laparoscopic high ligation of hernia sac, reducing postoperative pain and not extending extubation time, while 0.1 mg/kg Oxycodone can make intraoperative hemodynamics more stable, better analgesic effect, and less postoperative agitation.
[Key words] Oxycodone Transversus abdominis plane block Children High ligation of hernia sac
First-author's address: Deyang People's Hospital, Sichuan Province, Deyang 618000, China
doi:10.3969/j.issn.1674-4985.2023.13.004
腹股溝疝修補(bǔ)術(shù)是兒童最常見(jiàn)的外科手術(shù)之一[1],在我國(guó)多采用腹腔鏡下腹股溝疝疝囊高位結(jié)扎術(shù)進(jìn)行治療,由于腹腔鏡手術(shù)CO2氣腹對(duì)呼吸循環(huán)系統(tǒng)造成顯著的影響,并產(chǎn)生顯著的內(nèi)臟疼痛及體表疼痛,增加圍手術(shù)期管理的難度,使患兒遭受較大的痛苦及創(chuàng)傷[2]。羥考酮注射液是一種常用的具有μ受體和κ受體雙激動(dòng)的阿片類(lèi)藥物,具有起效迅速、消除半衰期較長(zhǎng)、不良反應(yīng)較少、生物利用度高、血流動(dòng)力學(xué)更穩(wěn)定、對(duì)內(nèi)臟痛及神經(jīng)病理性疼痛療效更優(yōu)等特點(diǎn)[3]。2017年我國(guó)《小兒術(shù)后鎮(zhèn)痛專(zhuān)家共識(shí)》指出,腹橫肌平面阻滯等多模式鎮(zhèn)痛已被推薦應(yīng)用于腹股溝疝疝囊結(jié)扎術(shù)圍手術(shù)期的鎮(zhèn)痛中,我們通過(guò)在圍手術(shù)期應(yīng)用不同劑量的羥考酮注射液聯(lián)合腹橫肌平面阻滯的多模式鎮(zhèn)痛的方式,探索羥考酮注射液在該類(lèi)兒童手術(shù)中的應(yīng)用價(jià)值、安全性及有效性,現(xiàn)報(bào)道如下。
1 資料與方法
1.1 一般資料 選擇2020年1-12月德陽(yáng)市人民醫(yī)院擇期行腹腔鏡下腹股溝疝疝囊高位結(jié)扎術(shù)患兒90例,納入標(biāo)準(zhǔn):美國(guó)麻醉醫(yī)師協(xié)會(huì)(ASA)分級(jí)Ⅰ、Ⅱ級(jí);性別不限;年齡2~8歲。排除標(biāo)準(zhǔn):近期有上呼吸道感染等擇期手術(shù)禁忌;對(duì)羥考酮或其他阿片類(lèi)藥物過(guò)敏,術(shù)前應(yīng)用鎮(zhèn)痛、鎮(zhèn)靜藥物;嚴(yán)重的肝腎功能不全或其他嚴(yán)重慢性病史;嚴(yán)重的心臟疾病或肺部疾病;合并神經(jīng)病變、意識(shí)障礙、精神疾??;嚴(yán)重肥胖,鼾癥等氣道部分梗阻;中轉(zhuǎn)開(kāi)腹或術(shù)中發(fā)現(xiàn)雙側(cè)病變行雙側(cè)結(jié)扎術(shù)。采用隨機(jī)數(shù)字表法分為A組、B組、C組,每組30例。此次臨床研究獲本院醫(yī)學(xué)倫理委員會(huì)批準(zhǔn),并與患兒家屬簽署知情同意書(shū)。
1.2 方法 所有患兒術(shù)前病房建立靜脈通路,常規(guī)禁食禁飲。入室常規(guī)監(jiān)測(cè)無(wú)創(chuàng)血壓(BP),心電圖(ECG)、脈搏血氧飽和度(SpO2)。靜脈輸注5%葡萄糖氯化鈉溶液10 mL/(kg·h)。靜脈麻醉誘導(dǎo):阿托品(生產(chǎn)廠(chǎng)家:上海禾豐制藥有限公司,批準(zhǔn)文號(hào):國(guó)藥準(zhǔn)字H31021172,規(guī)格:1 mL∶0.5 mg)0.02 mg/kg、舒芬太尼(生產(chǎn)廠(chǎng)家:宜昌人福藥業(yè)有限責(zé)任公司,批準(zhǔn)文號(hào):國(guó)藥準(zhǔn)字H20054171,規(guī)格:1 mL∶50 g)0.3 μg/kg、丙泊酚(生產(chǎn)廠(chǎng)家:Fresenius Kabi Deutschland GmbH,注冊(cè)證號(hào):國(guó)藥準(zhǔn)字HJ20150655,規(guī)格:20 mL∶200 mg)2.5 mg/kg、順阿曲庫(kù)銨(生產(chǎn)廠(chǎng)家:江蘇恒瑞醫(yī)藥股份有限公司,批準(zhǔn)文號(hào):國(guó)藥準(zhǔn)字H20060869,規(guī)格:10 mg)0.15 mg/kg,同時(shí)A組靜脈給予羥考酮(生產(chǎn)廠(chǎng)家:NAPP PHARMACEUTICALS LIMITED,批準(zhǔn)文號(hào):國(guó)藥準(zhǔn)字J20130142,規(guī)格:1 mL∶10 mg)0.05 mg/kg,B組靜脈給予羥考酮0.1 mg/kg,C組靜脈給予同A組等量0.9%氯化鈉溶液。待患兒睫毛反射消失后手控通氣,藥物充分起效后插入氣管導(dǎo)管行機(jī)械通氣,壓力控制通氣模式,氣道壓控制在20 cmH2O以下,通氣頻率16~25次/min,吸呼比(I/E)1∶(1~1.5),根據(jù)呼氣末二氧化碳分壓(end-tidal carbon dioxide partial pressure,PETCO2)調(diào)整呼吸參數(shù),維持PETCO2 35~45 mmHg。麻醉維持采用3%七氟烷(生產(chǎn)廠(chǎng)家:上海恒瑞醫(yī)藥有限公司,批準(zhǔn)文號(hào):國(guó)藥準(zhǔn)字H20070712,規(guī)格:120 mL/瓶)全憑吸入麻醉,空氧混合氣體流量2 L/min,根據(jù)手術(shù)時(shí)長(zhǎng)必要時(shí)追加順阿曲庫(kù)銨0.05 mg/kg,麻醉誘導(dǎo)完成后行超聲引導(dǎo)下患側(cè)腹橫肌平面阻滯[0.33%羅哌卡因(生產(chǎn)廠(chǎng)家:江蘇恩華藥業(yè)股份有限公司,批準(zhǔn)文號(hào):國(guó)藥準(zhǔn)字H20052621,規(guī)格:10 mL∶100 mg)1.5 mg/kg]。氣腹壓力維持在8~10 mmHg,手術(shù)結(jié)束前5 min停止七氟烷入,待患兒呼吸部分恢復(fù)給予新斯的明(生產(chǎn)廠(chǎng)家:河南潤(rùn)弘制藥股份有限公司,批準(zhǔn)文號(hào):國(guó)藥準(zhǔn)字H41022269,規(guī)格:1 mL∶0.5 mg)0.04 mg/kg拮抗殘余肌松,阿托品0.02 mg/kg拮抗新斯的明膽堿能作用,達(dá)到拔管指征后拔除氣管導(dǎo)管,送入麻醉恢復(fù)室。
1.3 觀(guān)察指標(biāo)與評(píng)價(jià)標(biāo)準(zhǔn) 記錄患兒麻醉誘導(dǎo)前(T0)、插管即刻(T1)、建立人工氣腹后(T2)、疝囊結(jié)扎時(shí)(T3)、手術(shù)結(jié)束(T4)、蘇醒即刻(T5)的心率(HR)、平均動(dòng)脈壓(MAP),記錄T5、出復(fù)蘇室時(shí)(T6)、術(shù)后4 h(T7)和術(shù)后8 h(T8)患兒的FLACC行為評(píng)分及Ramsay評(píng)分,記錄蘇醒時(shí)間、復(fù)蘇室停留時(shí)間。觀(guān)察患兒術(shù)后惡心、嘔吐、術(shù)后躁動(dòng)(PAED躁動(dòng)評(píng)分)、呼吸抑制等不良反應(yīng)發(fā)生率。FLACC行為評(píng)分為面部表情(face)、下肢動(dòng)作(legs)、活動(dòng)(activity)、哭鬧(cry)、是否易安慰(consolabitity)5項(xiàng)指標(biāo)的總和,0~10分疼痛程度依次遞增,0分:放松、舒服;1~3分:輕微不適;4~6分:中度疼痛;7~10分:嚴(yán)重疼痛、不適或者二者兼有。PAED躁動(dòng)評(píng)分標(biāo)準(zhǔn)為0分:嗜睡、呼之不應(yīng);1分:清醒、安靜、合作;2分:哭鬧,需要安撫;3分:煩躁、哭鬧嚴(yán)重、不能安撫,但不需要制動(dòng);4分:煩躁不安,定向力喪失,需要制動(dòng);≥2分為發(fā)生躁動(dòng),其中2分為輕度躁動(dòng),3分為中度躁動(dòng),4分為重度躁動(dòng)。Ramsay評(píng)分用于評(píng)價(jià)患兒鎮(zhèn)靜狀態(tài),最低1分(煩躁不安),最高6分(深睡,對(duì)呼叫無(wú)反應(yīng))。1分為鎮(zhèn)靜不足,2~4分為鎮(zhèn)靜滿(mǎn)意,5~6分為鎮(zhèn)靜過(guò)度。
1.4 統(tǒng)計(jì)學(xué)處理 采用SPSS 17.0統(tǒng)計(jì)軟件,計(jì)量資料進(jìn)行正態(tài)分布檢驗(yàn)(Shapiro-Wilk法),符合正態(tài)分布以(x±s)表示,各組之間比較采用One-way ANOVA分析,兩兩比較采用Bonferroni事后檢驗(yàn);計(jì)數(shù)資料用率(%)表示,采用字2檢驗(yàn)。P<0.05為差異有統(tǒng)計(jì)學(xué)意義。
2 結(jié)果
2.1 各組一般情況及手術(shù)持續(xù)時(shí)間比較 3組患兒的年齡、性別、體重、手術(shù)持續(xù)時(shí)間比較,差異均無(wú)統(tǒng)計(jì)學(xué)意義(P>0.05),見(jiàn)表1。
2.2 各組不同時(shí)間點(diǎn)的MAP和HR比較 3組MAP和HR在T0比較,差異均無(wú)統(tǒng)計(jì)學(xué)意義(P>0.05);與C組比較,A組患兒在T1、T2、T3、T5的HR均更低,差異均有統(tǒng)計(jì)學(xué)意義(P<0.05),而兩組T1、T2、T3、T5的MAP比較,差異均無(wú)統(tǒng)計(jì)學(xué)意義(P>0.05)。B組患兒T1、T2、T3、T4、T5的MAP、HR均低于C組,差異均有統(tǒng)計(jì)學(xué)意義(P<0.05),而A組與B組各時(shí)間點(diǎn)MAP、HR比較,差異均無(wú)統(tǒng)計(jì)學(xué)意義(P>0.05)。見(jiàn)表2。
2.3 各組不同時(shí)間點(diǎn)FLACC評(píng)分、Ramsay評(píng)分比較 A組、B組FLACC評(píng)分在T5、T6、T7均低于C組,差異均有統(tǒng)計(jì)學(xué)意義(P<0.05),B組T8的FLACC評(píng)分低于C組,差異有統(tǒng)計(jì)學(xué)意義(P<0.05),B組在T5、T6的FLACC評(píng)分均低于A(yíng)組,差異均有統(tǒng)計(jì)學(xué)意義(P<0.05);A組、B組Ramsay評(píng)分在T5、T6、T7均高于C組,差異均有統(tǒng)計(jì)學(xué)意義(P<0.05),B組T8的Ramsay評(píng)分高于C組,差異有統(tǒng)計(jì)學(xué)意義(P<0.05)。見(jiàn)表3。
2.4 各組蘇醒時(shí)間、復(fù)蘇室停留時(shí)間及藥物不良反應(yīng)比較 與C組比較,A組、B組蘇醒時(shí)間均稍延長(zhǎng),但差異無(wú)統(tǒng)計(jì)學(xué)意義(P>0.05);各組復(fù)蘇室停留時(shí)間比較,差異無(wú)統(tǒng)計(jì)學(xué)意義(P>0.05);與C組比較,B組術(shù)后躁動(dòng)發(fā)生率降低(P<0.05),而A組術(shù)后躁動(dòng)發(fā)生率稍降低,差異無(wú)統(tǒng)計(jì)學(xué)意義(P>0.05);三組惡心嘔吐和呼吸抑制發(fā)生率相當(dāng)(P>0.05)。見(jiàn)表4。
3 討論
一些常見(jiàn)的小到中等水平的外科手術(shù),包括一些腹腔鏡手術(shù),導(dǎo)致了意外的高水平的術(shù)后疼痛[4]。腹腔下腹股溝疝疝囊高位結(jié)扎術(shù)和成人腹腔鏡手術(shù)一樣,術(shù)中使用CO2氣腹可對(duì)呼吸循環(huán)系統(tǒng)造成顯著影響,并導(dǎo)致內(nèi)臟性疼痛,導(dǎo)致患兒在圍手術(shù)期遭受?chē)?yán)重的應(yīng)激反應(yīng)及術(shù)后疼痛[5]。世界衛(wèi)生組織在《兒童持續(xù)疼痛藥物治療指南》中指出,兒童疼痛在世界大多數(shù)地區(qū)是一個(gè)重大的公共衛(wèi)生問(wèn)題。小兒鎮(zhèn)痛易被忽視,原因之一是小兒不能主訴疼痛因而造成疼痛評(píng)估困難;其次是有部分鎮(zhèn)痛藥物在小兒使用受到限制,作為鎮(zhèn)痛實(shí)施的醫(yī)師也對(duì)藥物副作用存在過(guò)度擔(dān)心[6]。而患兒的術(shù)后疼痛可能造成患兒住院時(shí)間延長(zhǎng)、社會(huì)心理甚至人格的改變,探索兒童新的術(shù)后鎮(zhèn)痛方式,改善患兒圍手術(shù)期的體驗(yàn)是十分有意義的[7]。
鹽酸羥考酮注射劑是一種半合成的蒂巴因衍生物,具有μ受體和κ受體雙激動(dòng)的阿片類(lèi)藥物。與傳統(tǒng)的阿片類(lèi)藥物相比,羥考酮具有起效迅速、消除半衰期較長(zhǎng)、不良反應(yīng)較少、生物利用度高、血流動(dòng)力學(xué)更穩(wěn)定,對(duì)內(nèi)臟痛、神經(jīng)病理性疼痛療效更優(yōu)等特點(diǎn),可以作為阿片類(lèi)鎮(zhèn)痛藥在麻醉誘導(dǎo)時(shí)給予[3,8]。盡管目前羥考酮說(shuō)明書(shū)上尚無(wú)明確的兒童使用推薦數(shù)據(jù),但國(guó)內(nèi)外均有大量研究證實(shí),對(duì)于>6個(gè)月的兒童,羥考酮的藥代動(dòng)力學(xué)與成年人差異并無(wú)統(tǒng)計(jì)學(xué)意義[9-10]。羥考酮在我國(guó)兒童患者中的應(yīng)用相對(duì)較少,目前國(guó)內(nèi)研究表明,羥考酮可以安全的用于小兒扁桃體切除術(shù)術(shù)后鎮(zhèn)痛[11]、小兒內(nèi)鏡下扁桃體切除術(shù)超前鎮(zhèn)痛[12]、減少七氟烷麻醉導(dǎo)致的術(shù)后躁動(dòng)[13]、小兒無(wú)痛胃腸鏡檢查[14]、腹腔鏡闌尾切除術(shù)[15]等,能夠有效緩解患兒術(shù)后疼痛,減少術(shù)后躁動(dòng),同時(shí)并不增加呼吸抑制、惡心嘔吐等不良反應(yīng)。
在此次研究中,筆者發(fā)現(xiàn)在應(yīng)用羥考酮注射液后,B組T1、T2、T5的MBP均低于C組,同時(shí)A組、B組T1、T2、T3的HR均低于C組,尤其是0.1 mg/kg劑量的羥考酮可以減少氣管插管及二氧化碳?xì)飧箤?duì)循環(huán)的影響,使生命體征更加平穩(wěn),與羥考酮有效的鎮(zhèn)痛作用密不可分,這與彭文勇等[15]的研究結(jié)果一致;FLACC行為評(píng)分及Ramsay評(píng)分是目前兒童常用的疼痛及鎮(zhèn)靜的評(píng)分量表,在觀(guān)察術(shù)后鎮(zhèn)痛及鎮(zhèn)靜的效果結(jié)果中發(fā)現(xiàn),A組、B組患兒FLACC評(píng)分在T5、T6、T7均低于C組,同時(shí)Ramsay評(píng)分在T5、T6、T7均高于C組,而并未出現(xiàn)嚴(yán)重的鎮(zhèn)靜,可能與羥考酮的藥理特性相關(guān),說(shuō)明不同劑量的羥考酮均能有效的改善患兒短期的術(shù)后疼痛,改善患兒的鎮(zhèn)靜狀態(tài),使患兒術(shù)后早期得到較為滿(mǎn)意的鎮(zhèn)痛鎮(zhèn)靜,B組的鎮(zhèn)痛效果更優(yōu)于A(yíng)組。在既往的研究中發(fā)現(xiàn),對(duì)照組患者術(shù)后疼痛評(píng)分較既往的研究降低,可能與兒童的年齡大小導(dǎo)致的疼痛評(píng)估差異及腹橫肌平面阻滯的有效鎮(zhèn)痛作用有關(guān)[15]。術(shù)后躁動(dòng)是患兒常見(jiàn)的不良反應(yīng),具體機(jī)制不明,可能是麻醉恢復(fù)過(guò)程中腦功能的完整性缺失從而表現(xiàn)出來(lái)的意識(shí)和行為分離,表現(xiàn)為對(duì)身體不適或周?chē)h(huán)境刺激的高反應(yīng)性和行為亢進(jìn),躁動(dòng)的危險(xiǎn)因素包括低齡、術(shù)后疼痛、缺氧、高CO2血癥、代謝紊亂等,其中疼痛為最常見(jiàn)和最主要的原因[16],迅速?gòu)穆樽碇刑K醒和使用短效揮發(fā)性麻醉劑如地氟烷或七氟烷也是其重要因素。這些因素可能導(dǎo)致兒童在麻醉恢復(fù)過(guò)程中出現(xiàn)認(rèn)知知覺(jué)改變、興奮和躁動(dòng)的分離狀態(tài)[17]。特別是七氟烷麻醉后發(fā)生率較高,有研究表明其發(fā)生率高達(dá)80%[18],而七氟烷在小兒手術(shù)中應(yīng)用極為廣泛,而其發(fā)生機(jī)制尚不十分清楚,可能與七氟烷的快速排出、鎮(zhèn)痛不充分等有關(guān)。Raff等[19]研究證實(shí),與其他常用阿片類(lèi)藥物比較,羥考酮注射液可以有效地減少術(shù)后躁動(dòng),表現(xiàn)出更好的鎮(zhèn)痛效果。陳紅芽等[13]在研究不同劑量羥考酮預(yù)防七氟烷全身麻醉小兒術(shù)后躁動(dòng)的效果比較中證實(shí),0.1 mg/kg羥考酮可以有效地降低七氟烷麻醉后躁動(dòng)的發(fā)生率。在此次研究結(jié)果中亦發(fā)現(xiàn),羥考酮的使用可以降低術(shù)后躁動(dòng)的發(fā)生,B組的術(shù)后躁動(dòng)發(fā)生率較C組降低,C組術(shù)后躁動(dòng)發(fā)生率低于既往文獻(xiàn)[13]研究結(jié)果,而A組躁動(dòng)的發(fā)生率較C組降低不明顯,可能與羥考酮使用劑量較小,手術(shù)時(shí)長(zhǎng)、術(shù)前行超聲引導(dǎo)下腹橫肌平面阻滯等有關(guān),閆俊等[20]在腹橫肌平面阻滯對(duì)小兒腹腔鏡闌尾切除術(shù)后躁動(dòng)的研究中證實(shí),腹橫肌平面阻滯可以減少患兒術(shù)后躁動(dòng)的發(fā)生。由于阿片類(lèi)藥物相關(guān)不良反應(yīng)及小兒患者的特殊性,大大限制阿片類(lèi)藥物在患兒中的應(yīng)用,不良反應(yīng)包括術(shù)后惡心嘔吐、呼吸抑制、瘙癢等,在額外使用羥考酮后,我們對(duì)相關(guān)不良反應(yīng)、復(fù)蘇室停留時(shí)間進(jìn)行了觀(guān)察分析,0.05~0.1 mg/kg劑量的羥考酮并不延長(zhǎng)拔管時(shí)間,以及復(fù)蘇室停留時(shí)間,B組發(fā)生了1例呼吸抑制,可能與該患兒體重指數(shù)偏高有關(guān),吳周全等[21]研究證實(shí)術(shù)畢前0.05~0.2 mg/kg的羥考酮并未導(dǎo)致術(shù)后呼吸抑制。其他不良反應(yīng)3組均無(wú)統(tǒng)計(jì)學(xué)差異,說(shuō)明0.05 mg/kg和0.1 mg/kg劑量的羥考酮可以安全的用于小兒患者,并不增加阿片類(lèi)藥物相關(guān)不良反應(yīng)。
此次研究亦存在一定缺陷,樣本量相對(duì)較少,同時(shí)腹橫肌平面阻滯對(duì)羥考酮的有效的鎮(zhèn)痛作用造成一定的干擾,綜上所述,0.05 mg/kg和0.1 mg/kg的羥考酮可以安全的應(yīng)用于腹腔鏡下疝囊高位結(jié)扎術(shù)患兒,0.1 mg/kg劑量的羥考酮更具優(yōu)勢(shì),使術(shù)中血流動(dòng)力學(xué)更加穩(wěn)定,更好的術(shù)后鎮(zhèn)痛鎮(zhèn)靜、減少術(shù)后躁動(dòng)的發(fā)生,改善患兒圍手術(shù)期的體驗(yàn)。
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(收稿日期:2022-11-08) (本文編輯:張爽)