[摘要]"目的"觀察不同濃度羅哌卡因超聲聯(lián)合神經(jīng)刺激儀引導(dǎo)連續(xù)收肌管阻滯(continuous"femoral"nerve"block,CFNB)用于老年女性全膝關(guān)節(jié)置換術(shù)(total"knee"arthroplasty,TKA)患者的鎮(zhèn)痛效果。方法"選取2023年3月至2024年2月于湖州市第一人民醫(yī)院擇期行TKA的90例女性患者作為研究對(duì)象,采用隨機(jī)數(shù)字表法隨機(jī)分為A、B、C三組,每組30例;分別在全身麻醉前施不同濃度羅哌卡因20ml收肌管阻滯并置管:A組予0.150%羅哌卡因、B組予0.250%羅哌卡因、C組予0.375%羅哌卡因。術(shù)后根據(jù)分組配置相應(yīng)濃度局部麻醉藥的鎮(zhèn)痛泵,設(shè)置5ml/h,維持鎮(zhèn)痛72h。記錄術(shù)中血流動(dòng)力學(xué)變化情況;評(píng)估術(shù)后靜息、主動(dòng)和持續(xù)被動(dòng)功能訓(xùn)練時(shí)的視覺模擬疼痛評(píng)分表(visual"analog"pain"score,VAS)評(píng)分、首次下床活動(dòng)時(shí)間、腘窩酸脹感、肌力分級(jí)及不良反應(yīng)發(fā)生。結(jié)果"三組患者的24h、48h及72h主動(dòng)功能訓(xùn)練VAS評(píng)分差異有統(tǒng)計(jì)學(xué)意義(Plt;0.05),C組患者的VAS評(píng)分明顯低于A、B組(Plt;0.05)。三組患者72h被動(dòng)訓(xùn)練VAS評(píng)分差異明顯,C組患者的評(píng)分明顯小于A、B組(Plt;0.05)。三組間患者首次下床活動(dòng)時(shí)間超過24h比例及腘窩酸脹感比例都具有差異,且C組患者例數(shù)明顯小于A、B組(Plt;0.05)。三組患者術(shù)后24h到72h肌力均大于3級(jí)。結(jié)論"0.375%羅哌卡因用于CFNB鎮(zhèn)痛時(shí)具有良好的TKA術(shù)后鎮(zhèn)痛效果,且不良反應(yīng)發(fā)生率并未增加。
[關(guān)鍵詞]"超聲;全膝關(guān)節(jié)置換術(shù);連續(xù)收肌管阻滯;羅哌卡因
[中圖分類號(hào)]"R684.3""""""[文獻(xiàn)標(biāo)識(shí)碼]"A""""[DOI]"10.3969/j.issn.1673-9701.2025.14.011
Comparison"of"analgesic"effects"of"continuous"femoral"nerve"block"with"different"concentrations"of"ropivacaine"in"total"knee"arthroplasty"in"women
TU"Jiahui1,"ZHANG"Zhanfeng2
1.Department"of"Anesthesiology,"the"First"People’s"Hospital"of"Huzhou,"Huzhou"313000,"Zhejiang,"China;"2.Department"of"Orthopaedics,"the"First"People’s"Hospital"of"Huzhou,"Huzhou"313000,"Zhejiang,"China
[Abstract]"Objective"To"observe"the"analgesic"effects"ofnbsp;different"concentrations"of"ropivacaine"combined"with"ultrasound-guided"nerve"stimulation"for"continuous"femoral"nerve"block"(CFNB)"in"elderly"female"patients"undergoing"total"knee"arthroplasty(TKA)."Methods"A"total"of"90"female"patients"scheduled"for"TKA"at"the"First"People’s"Hospital"of"Huzhou"from"March"2023"to"February"2024"were"selected"as"the"research"subjects,they"were"randomly"divided"into"three"groups"(A,"B,"C)"using"a"random"number"table,"with"30"cases"in"each"group."Different"concentrations"of"ropivacaine"(20ml)"were"administered"for"muscle"relaxant"block"before"general"anesthesia:"Group"A"received"0.150%"ropivacaine,"group"B"received"0.250%"ropivacaine,"and"group"C"received"0.375%"ropivacaine."Postoperatively,"analgesia"pumps"with"the"corresponding"concentration"of"local"anesthetic"were"set"at"5ml/h"for"72h."Intraoperative"hemodynamic"changes"were"recorded,"postoperative"visual"analog"pain"scores"(VAS)"during"rest,"active,"and"continuous"passive"functional"training,"time"to"first"ambulation,"popliteal"discomfort,"muscle"strength"grading,"and"adverse"reactions"were"assessed."Results"VAS"scores"during"active"functional"training"at"24h,"48h,"and"72h"among"three"groups"showed"statistically"significant"differences"(Plt;0.05),"with"group"C"having"significantly"lower"VAS"scores"than"groups"A"and"B"(Plt;0.05).""VAS"scores"for"passive"training"at"72h"also"showed"significant"differences,"with"group"C"scoring"significantly"lower"than"groups"A"and"B"(Plt;0.05)."The"proportion"of"patients"taking"more"than"24h"to"ambulate"for"the"first"time"and""proportion"experiencing"popliteal"discomfort"differed"among"the"groups,"with"group"C"having"significantly"fewer"cases"than"groups"A"and"B."Muscle"strength"in"all"groups"was"greater"than"grade"3"from"24h"to"72h"postoperatively."Conclusion"CFNB"with"0.375%"ropivacaine"has"a"good"postoperative"analgesic"effect"for"TKA"and"does"not"increase"incidence"of"side"effects.
[Key"words]"Ultrasound;"Total"knee"arthroplasty;"Continuous"femoral"nerve"block;"Ropivacaine
膝關(guān)節(jié)炎是一種常見的關(guān)節(jié)疾病,嚴(yán)重影響患者的生活質(zhì)量,且女性患者發(fā)生率較男性更高。膝關(guān)節(jié)炎導(dǎo)致的疼痛和功能障礙,需要相應(yīng)干預(yù)措施緩解,當(dāng)前針對(duì)膝關(guān)節(jié)炎的治療包括藥物治療、物理治療和手術(shù)治療,但這些方法在鎮(zhèn)痛效果和術(shù)后恢復(fù)方面效果不確切[1]。針對(duì)圍術(shù)期伴隨嚴(yán)重疼痛的全膝關(guān)節(jié)置換術(shù)(total"knee"arthroplasty,TKA),連續(xù)神經(jīng)阻滯效果確切,如連續(xù)股神經(jīng)阻滯和連續(xù)收肌管阻滯(continuous"femoral"nerve"block,CFNB)在臨床應(yīng)用廣泛[2-3];然而關(guān)于CFNB的麻醉藥物濃度選擇還不明確,濃度過高可能影響患者術(shù)后恢復(fù)鍛煉,過低可能鎮(zhèn)痛不足。本研究比較不同濃度羅哌卡因在CFNB術(shù)后鎮(zhèn)痛效果及對(duì)患者術(shù)后恢復(fù)的影響。
1""對(duì)象與方法
1.1""研究對(duì)象
選取2023年3月至2024年2月于湖州市第一人民醫(yī)院擇期行TKA的90例女性患者作為研究對(duì)象,采用隨機(jī)數(shù)字表法分為A、B、C三組,每組30例。納入標(biāo)準(zhǔn):①TKA女性患者;②年齡65~80歲;③美國麻醉醫(yī)師協(xié)會(huì)分級(jí)Ⅰ~Ⅱ級(jí);④體質(zhì)量指數(shù)(body"mass"index,BMI)18~28"kg/m2。排除標(biāo)準(zhǔn):①凝血功能障礙者;②局部麻醉藥羅哌卡因過敏者;③長期服用阿片類藥物者;④糖尿病且并存嚴(yán)重并發(fā)癥者;⑤肝、腎、心臟等器官功能差者;⑥多次接受神經(jīng)阻滯者。三組患者的一般資料比較,差異無統(tǒng)計(jì)學(xué)意義(Pgt;0.05),具有可比性,見表1。所有患者均簽署知情同意書,本研究經(jīng)湖州市第一人民醫(yī)院醫(yī)學(xué)倫理委員會(huì)批準(zhǔn)(倫理審批號(hào):2021KYLL025)。
1.2""研究方法
三組患者進(jìn)入麻醉準(zhǔn)備間常規(guī)開放靜脈通路,給予咪達(dá)唑侖(批準(zhǔn)文號(hào):國藥準(zhǔn)字H20113433,生產(chǎn)單位;江蘇九旭藥業(yè)有限公司;規(guī)格:1ml":"5mg)2mg;患者取平臥位,患肢稍外旋,用超聲高頻探頭(中國深圳華生公司)大致確認(rèn)收肌管位置:探頭放置股骨中段向內(nèi)側(cè)掃描,收肌管位于縫匠肌下、股內(nèi)側(cè)肌外側(cè)。常規(guī)消毒鋪巾后,腹腔鏡套包裹超聲探頭,再次確認(rèn)收肌管位置。皮下浸潤麻醉后,選用55mm針長連續(xù)神經(jīng)叢阻滯套件,穿刺針逐漸向頭側(cè)進(jìn)針,神經(jīng)刺激儀刺激電流為1mA,觀察到股直肌明顯收縮或伴有膝蓋跳動(dòng)時(shí),刺激電流調(diào)整為0.3mA,股直肌收縮幅度減小,注射羅哌卡因(批準(zhǔn)文號(hào):國藥準(zhǔn)字H20140764;生產(chǎn)單位:AstraZeneca"AB公司;規(guī)格:10ml":"75mg)10ml,其中A組予0.150%羅哌卡因、B組予0.250%羅哌卡因、C組予0.375%羅哌卡因,并微調(diào)針尖位置,觀察局部麻醉藥擴(kuò)散情況,隨后退出針芯同時(shí)向頭側(cè)置管12cm,再次在超聲觀察下注射局部麻醉藥10ml,逐漸調(diào)整導(dǎo)管深度,直至最佳的擴(kuò)散位置,用無菌敷貼固定。連接機(jī)械鎮(zhèn)痛泵(江蘇愛朋公司),A、B、C三組分別輸注0.150%羅哌卡因、0.250%羅哌卡因、0.375%羅哌卡因250ml,輸注量5ml/h,自控鎮(zhèn)痛5ml/次,鎖定時(shí)間20min。阻滯效果確認(rèn)后,三組患者均給予靜息復(fù)合全身麻醉,麻醉誘導(dǎo)采用咪達(dá)唑侖0.04mg/kg、舒芬太尼(批準(zhǔn)文號(hào):國藥準(zhǔn)字"H42022076;生產(chǎn)單位:宜昌人福藥業(yè)有限責(zé)任公司;規(guī)格:1ml":"50μg)0.5μg/kg;丙泊酚(批準(zhǔn)文號(hào):國藥準(zhǔn)字H20040300;生產(chǎn)單位:西安立邦制藥有限公司;規(guī)格:50ml":"0.5g)1.5mg/kg;羅庫溴銨(批準(zhǔn)文號(hào):國藥準(zhǔn)字H20183305;生產(chǎn)單位:峨眉山通惠制藥有限公司;規(guī)格:5ml":"50mg)0.6mg/kg;喉罩插管后機(jī)械通氣,鎮(zhèn)靜維持采用七氟烷,肌松維持使用羅庫溴銨分次靜脈推注,術(shù)中根據(jù)患者生命體征分次追加使用舒芬太尼。
1.3""觀察指標(biāo)
①鎮(zhèn)痛效果:患者術(shù)后2h、6h、12h、24h、48h、72h靜息時(shí)疼痛視覺模擬評(píng)分表(visual"analogue"scale,VAS)評(píng)分,患者術(shù)后12h、24h、48h、72h主動(dòng)活動(dòng)時(shí)VAS評(píng)分;患者術(shù)后72h持續(xù)被動(dòng)活動(dòng)時(shí)VAS評(píng)分;②圍術(shù)期血流動(dòng)力學(xué)變化:患者劃皮、手術(shù)30min、60min、90min及出手術(shù)室時(shí)平均動(dòng)脈壓(mean"arterial"pressure,MAP)和心率(heart"rate,HR);③術(shù)中舒芬太尼用量;④肌力:各時(shí)間點(diǎn)患者患肢股四頭肌肌力。0級(jí)為完全癱瘓,1級(jí)為可收縮,2級(jí)為不能抗重力,3級(jí)為抗重力不抗阻力,4級(jí)為可抗弱阻力,5級(jí)為正常[3];⑤不良反應(yīng):惡心、嘔吐、嗜睡、瘙癢;⑥患者首次下床活動(dòng)時(shí)間。
1.4""統(tǒng)計(jì)學(xué)方法
采用SPSS"22.0統(tǒng)計(jì)學(xué)軟件對(duì)數(shù)據(jù)進(jìn)行處理分析,計(jì)量資料以均數(shù)±標(biāo)準(zhǔn)差()表示,組間比較采用單因素方差分析,計(jì)數(shù)資料以例數(shù)(百分率)[n(%)]表示,組間比較采用χ2檢驗(yàn)。Plt;0.05為差異有統(tǒng)計(jì)學(xué)意義。
2""結(jié)果
2.1""三組患者的MAP、HR比較
三組患者組內(nèi)各時(shí)間點(diǎn)的MAP、HR比較,差異無統(tǒng)計(jì)學(xué)意義(Pgt;0.05),見表2。
2.2""三組患者不同時(shí)間段VAS評(píng)分比較
三組患者術(shù)后2h、6h、12h、24h、48h、72h靜息狀態(tài)VAS評(píng)分比較,差異無統(tǒng)計(jì)學(xué)意義(Pgt;0.05)。
術(shù)后24h患者開始主動(dòng)恢復(fù)鍛煉,三組間24h、48h、72h主動(dòng)恢復(fù)鍛煉時(shí)VAS評(píng)分比較,差異有統(tǒng)計(jì)學(xué)意義(Plt;0.05),C組患者明顯低于A、B組,差異有統(tǒng)計(jì)學(xué)意義(Plt;0.05)。C組72h后持續(xù)被動(dòng)功能訓(xùn)練時(shí)VAS評(píng)分明顯低于A、B組,差異有統(tǒng)計(jì)學(xué)意義(Plt;0.05)。見表3。
2.3""三組患者不同時(shí)間點(diǎn)肌力評(píng)分比較
三組患者各時(shí)間點(diǎn)肌力評(píng)分比較,差異無統(tǒng)計(jì)學(xué)意義(Pgt;0.05),且各組肌力評(píng)分隨著時(shí)間的延長呈上升趨勢(shì),均不影響術(shù)后康復(fù)活動(dòng)。見表4。
2.4""三組患者的術(shù)后恢復(fù)情況比較
三組患者首次下床活動(dòng)時(shí)間gt;24h的例數(shù)比較,差異有統(tǒng)計(jì)學(xué)意義(Plt;0.05),C組患者相較于A、B組,差異有統(tǒng)計(jì)學(xué)意義(Plt;0.05);三組間的手術(shù)側(cè)腘窩酸脹感發(fā)生率比較,差異有統(tǒng)計(jì)學(xué)意義(Plt;0.05),C組患者與A組比較,差異有統(tǒng)計(jì)學(xué)意義(Plt;0.05),見表5。
3""討論
TKA術(shù)后快速康復(fù)是治療骨性關(guān)節(jié)炎的關(guān)鍵階段,由于疼痛而推遲術(shù)后康復(fù)活動(dòng)可增加靜脈血栓栓塞的發(fā)生率[4-5];因此尋找一種對(duì)術(shù)后恢復(fù)性鍛煉運(yùn)動(dòng)影響小的鎮(zhèn)痛方式尤為重要。用于TKA術(shù)后止痛有多種鎮(zhèn)痛方法和藥物,如非甾體類抗炎藥、阿片類藥物、神經(jīng)阻滯鎮(zhèn)痛,患者靜脈自控鎮(zhèn)痛模式等[6-8]。近年來,CFNB已成為TKA后疼痛控制的有效手段,CFNB在TKA術(shù)后提供的鎮(zhèn)痛作用使患者得到快速康復(fù)治療,加快出院時(shí)間,減少住院費(fèi)用[9];但同時(shí)康復(fù)過程中可能由于局部麻醉藥濃度或容量導(dǎo)致股四頭肌不同程度的肌無力、增加跌倒的風(fēng)險(xiǎn),尤其對(duì)高齡患者,因此選擇最佳的局部麻醉藥濃度顯得尤為重要。羅哌卡因是唯一具有感覺運(yùn)動(dòng)分離的局部麻醉藥,低濃度的羅哌卡因用于局部麻醉時(shí)具有感覺運(yùn)動(dòng)分離的特征,且心臟、神經(jīng)毒性小,已逐漸成為臨床一線區(qū)域阻滯麻醉的首選用藥,最常用的濃度為0.2%[10]。但有研究報(bào)道0.2%羅哌卡因?qū)伤念^肌肌力也存在影響,可能影響恢復(fù)鍛煉[11];Brodner等[12]研究指出臨床常用濃度0.2%和濃度0.3%臨床鎮(zhèn)痛效果存在差異性;Taha等[13]關(guān)于股神經(jīng)阻滯最低有效濃度(effective"concentration,EC90)局部麻醉藥的研究中報(bào)道EC90為0.167%。收肌管阻滯作為一種新興的區(qū)域神經(jīng)阻滯技術(shù)逐漸在TKA中廣泛應(yīng)用。研究表明收肌管阻滯能有效控制術(shù)后疼痛,提高患者的功能恢復(fù),同時(shí)減少對(duì)全身麻醉藥物的需求。收肌管阻滯主要通過阻斷股神經(jīng)的分支實(shí)現(xiàn)對(duì)膝關(guān)節(jié)的鎮(zhèn)痛效果,相較于股神經(jīng)阻滯,收肌管阻滯安全性更高,運(yùn)動(dòng)功能影響更小,患者能更早進(jìn)行康復(fù)訓(xùn)練[14]。研究表明收肌管阻滯能顯著降低術(shù)后疼痛評(píng)分,提高患者的滿意度,并促進(jìn)早期功能恢復(fù)[15]。此外,收肌管阻滯還能減少阿片類藥物的使用,降低相關(guān)不良反應(yīng)的風(fēng)險(xiǎn)[16]。然而不同濃度的麻醉藥物CFNB的鎮(zhèn)痛和恢復(fù)效果還不明確。因此本研究采取的羅哌卡因濃度為0.150%~0.375%,主要目的是通過評(píng)價(jià)臨床常用不同濃度羅哌卡因CFNB用于TKA術(shù)后鎮(zhèn)痛效果和不良反應(yīng)及康復(fù)程度來評(píng)價(jià)最佳局部麻醉藥濃度。
本研究的重點(diǎn)是評(píng)估不同濃度的羅哌卡因?qū)ε訲KA患者術(shù)后疼痛的有效性,因?yàn)榕曰脊顷P(guān)節(jié)炎的概率遠(yuǎn)大于男性[17];同時(shí)評(píng)估指標(biāo)為主觀VAS評(píng)分,規(guī)避由于性別引起的主觀差異,因此本研究納入老年女性。三組患者術(shù)中血流動(dòng)力學(xué)變化差異無統(tǒng)計(jì)學(xué)意義,但C組術(shù)中與劃皮前MAP變化程度比A、B組明顯,可能由于局部麻醉藥濃度高,可獲得更好鎮(zhèn)痛效果。而在術(shù)后鎮(zhèn)痛效果方面,三組比較差異不明顯,說明三種濃度的羅哌卡因均能取得較為滿意的術(shù)后鎮(zhèn)痛效果,但持續(xù)被動(dòng)功能訓(xùn)練方面0.375%羅哌卡因C組的VAS評(píng)分明顯低于A組和B組,且A"組有16例患者出現(xiàn)手術(shù)部位酸脹感,說明局部麻醉藥濃度的增大鎮(zhèn)痛效果會(huì)更完善,但康復(fù)期股四頭肌肌力稍差,在Heid等[18]研究中也有同樣的發(fā)現(xiàn)。由此說明,可能0.150%或更低濃度的羅哌卡因在某些情況下仍適用于對(duì)鎮(zhèn)痛需求較低的患者,如消瘦、高齡患者,因此其存在具有一定的臨床意義,未來可進(jìn)一步研究特殊人群中CFNB的最佳局部麻醉藥濃度。
綜上,超聲引導(dǎo)0.375%羅哌卡因CFNB應(yīng)用于"TKA術(shù)后鎮(zhèn)痛時(shí)具有良好的效果,且不良反應(yīng)發(fā)生率并未增加,有助于患者術(shù)后快速康復(fù)。
利益沖突:所有作者均聲明不存在利益沖突。
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(收稿日期:2024–12–15)
(修回日期:2025–03–26)