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ã€æ‘˜è¦ã€‘ 目的 观察全麻å¤åˆèƒ¸æ®µç¡¬è†œå¤–阻滞在胸部手术患者血æµåŠ¨åŠ›å¦çš„å˜åŒ–ã€è‹é†’时间的影å“。方法 40例ASAâ… ~â…¡çº§æ‹©æœŸæ™®èƒ¸æ‰‹æœ¯ç—…äººï¼Œéšæœºåˆ†ä¸ºç¡¬è†œå¤–阻滞å¤åˆå…¨éº»ç»„(GA+EA组)å’Œå•纯全麻组(GA组),æ¯ç»„20ä¾‹ã€‚ä¸¤ç»„å…¨éº»è¯±å¯¼å’Œç»´æŒæ–¹æ³•相åŒï¼Œå¤åˆç»„在全麻诱导å‰å…ˆè¡Œèƒ¸æ®µT4~5 或 T5~6ç¡¬è†œå¤–ç©¿åˆºç½®ç®¡ï¼Œç»™è¯æµ‹å®šéº»é†‰å¹³é¢åŒæŽ§åˆ¶åœ¨T2~4~T8~10并在术ä¸å®šæ—¶è¿½åŠ å±€éº»è¯ï¼Œåˆ†åˆ«è®°å½•麻醉å‰(T0)ã€æ’管åŽ(T1)ã€æ‰‹æœ¯å¼€å§‹æ—¶(T2)ã€æ‰‹æœ¯æŽ¢æŸ¥æ—¶(T3)ã€æ°”管拔管时(T4)çš„è¡€æ¶²åŠ¨åŠ›å¦æŒ‡æ ‡ï¼Œæ¸…é†’ã€æ°”管拔管时间åŠå…¨éº»è¯çš„用é‡ã€‚ 结果 GA+EA组å„é¡¹æŒ‡æ ‡å„æ—¶é—´ç‚¹å˜åŒ–䏿˜Žæ˜¾(P>0.05),而GA组则显著å‡é«˜(Pã€å…³é”®è¯ã€‘ 全麻;硬膜外阻滞;循环功能
The application of general anesthesia combined with epidural block in patients undergoing thoracic surgery
GAO Yuanli, DAI Zhigang,GUO Suxiang,JIANG Hong
(College of Medicine, Shihezi University ,Shihezi ,Xinjiang,832008,China)
ã€Abstract】 Objective To study the influence of general anesthesia combined with epidural block on homodynamics and the revival time in patients undergoing thoracic surgery.Methods Forty patients undergoing thoracic surgery, ASA â… ~â…¡ were randomly assigned into two groups: general anesthesia group (group G) and general anesthesia combined with epidural block group (GE group). The same anesthesia agents were chosen to induce for all patients. The patients in GE group were punctured into epidural space though T4~5 or T5~6,The anesthesia plan was under T2~4~T8~10 level.The homodynamic stander,revival time,the tracheal extubation time and the dose of anesthetic were recorded respectively before induction(T0),after tracheal intubation(T1),during skin incision(T2),2h after skin incision(T3) and after tracheal extubation(T4).Results There was no significant difference among the standers in the group GE+EA,while they increases in the group GA. The revival time and the tracheal extubation time in group GA was longer than the group GA+EA(P资料与方法
1.一般资料 40例ASAâ… ~Ⅱ级择期普胸手术病人,包括肺å¶åˆ‡é™¤æœ¯22例,食é“ç™Œæ ¹æ²»æœ¯18例。男26例,女14例,年龄19~73å²ï¼Œä½“é‡48~90 kg。术å‰å„项常规检查åŠå¿ƒè‚ºè‚è‚¾åŠŸèƒ½æ£€æŸ¥æ— æ˜Žæ˜¾å¼‚å¸¸ï¼Œæ— é«˜è¡€åŽ‹å²ï¼Œæ— å†…åˆ†æ³Œç³»ç»Ÿç–¾æ‚£ï¼Œæ— ç²¾ç¥žç¥žç»æœºèƒ½ç—…å˜ã€‚å°†40ä¾‹ç—…äººéšæœºå¹³å‡åˆ†ä¸ºä¸¤ç»„,å•纯全麻组(GA组)å’Œå¤åˆç»„(GA+EA组),两组病人年龄ã€ä½“é‡ã€èº«é«˜ã€æ€§åˆ«æ¯”ã€æ‰‹æœ¯ç§ç±»ã€æ‰‹æœ¯æ—¶é—´ã€éº»é†‰æ—¶é—´ã€è¾“æ¶²é‡æ¯”è¾ƒæ— ç»Ÿè®¡å¦æ„义(P>0.05),è§è¡¨1。
2.麻醉方法 麻醉å‰30 minè‚Œæ³¨å·´æ¯”å¦¥é’ 0.1 g,东莨èªç¢±0.3 mg。开放é™è„‰é€šè·¯åŽï¼Œå¤åˆç»„æ ¹æ®æ‰‹æœ¯éƒ¨ä½åšç›¸åº”的硬膜外穿刺(T5~6或T4~5),穿刺æˆåŠŸå¤´å‘置管3 cm,ç»™1%利多å¡å› å’Œ0.25%布比å¡å› åˆå‰‚5~8 ml,待出现满æ„阻滞平é¢åŽå¼€å§‹å…¨éº»è¯±å¯¼ã€‚麻醉诱导用咪达唑仑0.1~0.2 mg/kgã€èŠ¬å¤ªå°¼3~5 μg/kgã€ä¾æ‰˜ç±³è„‚0.3 mg/kgã€ç¥ç€èƒ†ç¢± 1~2 mg/kg,气管æ’ç®¡åŽæŽ¥å‘¼å¸æœºæŽ§åˆ¶å‘¼å¸ï¼Œå‘¼å¸é¢‘率10~12次/min,潮气é‡8~12 ml/kg。术ä¸å…¨éº»ç”¨é™è„‰æ³µæ³¨ä¸™æ³Šé…š60~100 μg/(kg·min),维库溴胺1~2 μg/(kg·min)ï¼ŒèŠ¬å¤ªå°¼é—´æŽ¥é™æ³¨ç»´æŒã€‚å¤åˆç»„æ¯éš”45~50 minç»ç¡¬è†œå¤–å¯¼ç®¡å®šæ—¶è¿½åŠ 1%利多å¡å› å’Œ0.25%布比å¡å› åˆå‰‚4~6 ml,并在关胸å‰è¿½åŠ æœ€åŽä¸€æ¬¡å±€éº»è¯5~7 ml。手术结æŸåŽå¸¸è§„以新斯的明0.04 mg/kg和阿托å“0.02 mg/kg拮抗肌æ¾è¯æ®‹ä½™ä½œç”¨ï¼Œè‡³ç—…äººè‡ªä¸»å‘¼å¸æ¢å¤æ»¡æ„åŽæ‹”除气管导管。
表1 两组病人一般情况比较(略)
3.监测 入室åŽé‡‡ç”¨ 芬兰Dash监测仪3000å¸¸è§„æ— åˆ›ç›‘æµ‹è¡€åŽ‹(mmHg)ã€å¿ƒçއ(次/min)ã€ECG ç‰ã€‚记录麻醉å‰(T0)ã€æ°”管æ’管åŽ(T1)ã€æ‰‹æœ¯å¼€å§‹æ—¶(T2)ã€æ‰‹æœ¯æŽ¢æŸ¥æ—¶(T3)ã€æ°”管拔管å³åˆ»(T4)ç‰çš„ç”Ÿå‘½æŒ‡æ ‡æƒ…å†µï¼›è®°å½•æœ¯æ¯•è‹é†’ã€æ°”管拔管时间;记录麻醉ä¸èŠ¬å¤ªå°¼ã€å¼‚丙酚ã€ç»´åº“溴胺总用é‡ã€‚
4.统计å¦åˆ†æž 应用SPSS11.0统计软件,数æ®ç”¨å‡æ•°Â±æ ‡å‡†å·®(- ±s)表示,组内比较用å•å› ç´ æ–¹å·®åˆ†æžï¼Œä¸¤ä¸¤æ¯”较用q检验,组间比较用t检验,P结果
1.两组病人麻醉å‰åŽè¡€åŽ‹ã€å¿ƒçއå˜åŒ–情况 麻醉å‰ä¸¤ç»„é—´SBPã€DBPã€HRå’ŒMAPå·®å¼‚æ— ç»Ÿè®¡å¦æ„义。GA+EA组SBP在T3时间段较麻醉å‰(T0)低(P0.05),è§è¡¨2。
表2 两组病人手术过程ä¸å¾ªçŽ¯åŠŸèƒ½çš„å˜åŒ–(ç•¥)
注:与麻醉å‰ç›¸æ¯”:#P讨论
手术创伤和疼痛是强的应激刺激,å¯ä»¥å¼•起机体一系列神ç»å†…分泌应激å˜åŒ–ï¼Œåæ˜ 在循环ã€å‘¼å¸ã€ä»£è°¢ç‰å„个方é¢ï¼Œæ˜“导致严é‡å¹¶å‘ç—‡[1,2]。全麻醉胸部手术是一ç§ä¸¥é‡å¹²æ‰°å‘¼å¸ã€å¾ªçŽ¯ç”Ÿç†åŠŸèƒ½ä¸”ç—…äººæŸä¼¤è¾ƒå¤§çš„æ‰‹æœ¯ã€‚ä¼ ç»Ÿçš„å…¨éº»æ–¹æ³•æ˜¯æ°”ç®¡æ’管é™è„‰å’Œæ°”é“å¸å…¥éº»é†‰è¯çš„ç»¼åˆæ€§æ–¹æ³•。在麻醉æ’管å‰çš„è¯±å¯¼é˜¶æ®µåˆºæ¿€å› ç´ å’Œäº¤æ„Ÿç¥žç»å…´å¥‹æ€§å¢žå¼ºï¼Œå•纯é™å¸å¤åˆéº»é†‰åªèƒ½æŠ‘制对大脑皮层的投射系统,而ä¸èƒ½æœ‰æ•ˆåœ°é˜»æ»žæ‰‹æœ¯åŒºåŸŸä¼¤å®³æ€§åˆºæ¿€å‘交感神ç»ä½Žçº§ä¸æž¢çš„ä¼ å¯¼ä½¿äº¤æ„Ÿç¥žç»î€‘è‚¾ä¸Šè…ºé«“è´¨å…´å¥‹ï¼Œå¼•èµ·å„¿èŒ¶é…šèƒºåˆ†æ³Œå¢žåŠ ã€‚æ¿€æ´»å¿ƒè¡€ç®¡ç³»ç»Ÿè‡´è¡€åŽ‹å‡é«˜ã€å¿ƒçŽ‡å¢žå¿«ï¼Œå¯¼è‡´å¿ƒè‚Œé«˜ä»£è°¢å’Œå¿ƒè‚Œéœ€æ°§å¢žåŠ ï¼Œå¯¼è‡´æˆ–åŠ é‡å¿ƒè‚Œç¼ºè¡€[3]。é™å¸å¤åˆéº»é†‰éœ€ç”¨è¾ƒå¤šçš„麻醉è¯å’Œé•‡é™è¯ï¼Œå¸¸å¼•起术åŽå‘¼å¸æŠ‘制和è‹é†’延迟。å•çº¯ç¡¬è†œå¤–é˜»æ»žä¹Ÿæ˜¯ä¸€ç§æ—¢ä¸å®Œå–„åˆå…·æ½œåœ¨é£Žé™©çš„麻醉,å•纯胸段硬膜外阻滞å¯ç›´æŽ¥é˜»æ»žè„Šç¥žç»ï¼Œé•‡ç—›æ•ˆæžœç¡®åˆ‡ï¼Œå¯é˜»æ»žäº¤æ„Ÿç¥žç»èŠ‚å‰çº¤ç»´ï¼Œæœ¯åŽå¯æœ‰æ•ˆåœ°ç¡¬è†œé•‡ç—›ã€‚但也å˜åœ¨ä¸€å®šçš„ä¸è¶³:术ä¸ç—…人清醒ã€å‘¼å¸ç®¡ç†å›°éš¾ã€æ‰‹æœ¯çš„全程å¯èƒ½é˜»æ»žå¹³é¢ä¸å¤Ÿã€å¼ºçƒˆçš„牵拉åå°„ç‰ã€‚éšç€åŒ»å¦çš„å‘展,硬膜外阻滞和全身麻醉这两ç§ä¸åŒçš„麻醉方法已越æ¥è¶Šå¤šåœ°ç»“åˆåœ¨ä¸€èµ·ï¼Œå‘挥ç€å„自的优点,有利于围术期病人的生ç†åŠŸèƒ½çš„è°ƒæŽ§[4]。
近年关于全麻å¤åˆå±€éƒ¨éº»é†‰ç”¨äºŽæŠ‘制围术期应激å应方é¢çš„ç ”ç©¶[5]表明:硬膜外麻醉ã€è„Šéº»å’ŒåŒºåŸŸéº»é†‰èƒ½é˜»æ–伤害性刺激的å‘å¿ƒæ€§ä¼ å¯¼ï¼Œæœ‰æŠ‘åˆ¶åº”æ¿€å应效应, 全麻è¯å’Œè‚Œæ¾è¯ç”¨é‡å°‘ã€è‹é†’è¿…é€Ÿä¸”æœ¯åŽæ¢å¤å¿«åˆä¾¿äºŽæœ¯åŽç¡¬è†œå¤–镇痛ç‰ä¼˜ç‚¹[6,7],但目å‰å¤šæ•°ç ”究认为硬膜外麻醉å¯å®Œå…¨æŠ‘制è„以下部ä½çš„应激å应,但对于硬膜外腔阻滞是å¦èƒ½æŠ‘制上腹部åŠèƒ¸éƒ¨æ‰‹æœ¯çš„应激ååº”å¦æœ¯ç•Œå´å˜åœ¨ä¸åŒçš„看法[8]ã€‚ä¸€éƒ¨åˆ†ç ”ç©¶è®¤ä¸ºå…¨éº»å¤åˆç¡¬è†œå¤–阻滞å¯å‡è½»ä¸Šè…¹éƒ¨åŠèƒ¸éƒ¨æ‰‹æœ¯çš„应激å应,但Yoshiyuki Naitoç‰çš„ç ”ç©¶å‘现硬膜外麻醉对下肢åŠä¸‹è…¹éƒ¨æ‰‹æœ¯æ¥è¯´ï¼Œèƒ½é™ä½Žåº”激物质的分泌,å‡ä½Žç³»ç»Ÿå应完全抑制手术时的应激需è¦ï¼Œå®Œå…¨é˜»æ–手术部ä½çš„ä¼¤å®³æ€§åˆºæ¿€ï¼Œèƒ¸éƒ¨æ‰‹æœ¯æ—¶ä¼ å¯¼ä¼¤å®³æ€§åˆºæ¿€ä¸»è¦æ˜¯ç”±è¿·èµ°ç¥žç»å’Œè†ˆç¥žç»ä¼ 导的,完全阻æ–迷走神ç»å’Œè†ˆç¥žç»éœ€è¦ç¡¬è†œå¤–阻滞达到颈3~4的水平[9],临床ä¸åº”用的硬膜外阻滞ä¸å¯èƒ½è¾¾åˆ°å¦‚æ¤å¹¿çš„èŒƒå›´ï¼Œå› æ¤ä¸Šè…¹éƒ¨åŠèƒ¸éƒ¨æ‰‹æœ¯æ—¶çš„应激å应ä¸èƒ½ç”±ç¡¬è†œå¤–阻滞完全抑制。
æœ¬å®žéªŒç ”ç©¶å‘现,上胸段硬膜外阻滞å¯ä»¥é˜»æ–心交感,æŠ‘åˆ¶äº¤æ„Ÿç¥žç»æ´»æ€§,å‡è½»å¿ƒè„应激å应,还å¯ä»¥ç›´æŽ¥ETCO2æ‰©å¼ ç‹çª„çš„å† çŠ¶åŠ¨è„‰,改善心内膜下血æµ,使心肌血æµé‡æ–°åˆ†å¸ƒ,改善心肌血液供应,å‡è½»å¿ƒè‚Œç¼ºè¡€ï¼Œå‡è½»éº»é†‰è¯å¯¹å¾ªçޝ呼å¸åŠŸèƒ½çš„æŠ‘åˆ¶,使全麻è¯ä½¿ç”¨é‡å‡å°‘,也使患者清醒和拔管时间缩çŸï¼ŒåŠ ä¹‹æœ¯åŽå®žæ–½ç¡¬è†œå¤–镇痛,消除创å£ç–¼ç—›,ç»“æžœæœ‰åˆ©äºŽæ—©æœŸå’³å—½ã€æŽ’ç—°ã€é•‡ç—›ï¼Œè¿˜å¯ä»¥ä½¿æ‚£è€…的心ç†è¶‹äºŽå¹³é™,è¿™äº›å‡æœ‰åˆ©äºŽæ”¹å–„肺功能,å‡å°‘术åŽå‘¼å¸æ”¹å˜ï¼Œæé«˜åº·å¤è´¨é‡ã€‚ä¸´åºŠç ”ç©¶æ˜¾ç¤ºç¡¬è†œå¤–è‡ªæŽ§é•‡ç—›å…·ç¼“è§£å¿ƒè‚Œç¼ºè¡€çš„ä½œç”¨ã€‚è™½ç„¶æœ‰æ—¶å› éº»é†‰å¤åˆç»„æ“ä½œè¾ƒå¤æ‚,对心血管有潜在抑制作用,易出现血压下é™ï¼Œå¿ƒçއ凿…¢ã€‚为å‡è½»æˆ–防æ¢è¯¥æƒ…况å‘生,使手术期更平稳渡过,我们采用了低浓度的局麻è¯ï¼Œé€šè¿‡è¯±å¯¼å‰è¾“æ¶²æ‰©å®¹ï¼ŒåŒæ—¶è¦é¿å…ä¸¤ç§æ–¹æ³•åŒæ—¶è¿½åŠ ç”¨è¯ä»¥é˜²ä¸¤è€…的峰效应é‡å ,在达到完善的镇痛ã€é•‡é™å’Œè‚Œæ¾æ•ˆæžœçš„åŒæ—¶æ˜Žæ˜¾å‡è½»æ°”管æ’管和手术刺激的应激å应,是一ç§å®‰å…¨å¯è¡Œçš„麻醉。
å‚考文献
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