Jiheng Chen1, Yunxiao Zhang1, Chuan Huang2, Keneng Chen2, Mengying Fan2, Zhiyi Fan1. 1. Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education), Department of Anesthesiology, Peking University Cancer Hospital and Institute, Beijing 100142, China. 2. Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education), Department of Thoracic Surgery, Peking University Cancer Hospital and Institute, Beijing 100142, China.
Abstract
BACKGROUND: Perioperative management of pain associated with the prognosis of cancer patients. Optimization of perio-perative analgesia method, then reduce perioperative stress response, reduce opioiddosage, to reduce or even avoid systemic adverse reactions and elevated levels of tumor markers. Serum levels of tumor markers in patients with lung cancer are closely related to tumor growth. Clinical research reports on regional anesthesia effect on tumor markers for lung cancer are still very little in domesticliterature. The aim of this study is to evaluate the effects of thoracic paraverte-bral block on postoperative analgesia and serum level of tumor marker in lung cancer patients undergoingvideo-assisted thoracoscopic surgery. METHODS:Lung cancer patients undergoingvideo-assisted thoracoscopic surgery were randomly divided into 2 groups (n=20 in each group). The patients in group G were given only general anesthesia. The thoracic paravertebral blockade (PVB) was performed before general anesthesia in patients of group GP. The effect of PVB was judged by testing area of block. Patient controlled intravenous analgesia (PCIA) pump started before the end of surgery in 2 groups. Visual analogue scale (VAS) score was recorded after extubation 2 h (T1), 24 h (T2) and 48 h (T3) after surgery and the times of PCIA and the volume of analgesic drugs used were recorded during 48 h after surgery. The serum levels of carcino-embryonic antigen (CEA), carbohydrate antigen 199 (CA199), carbohydrate antigen 125 (CA125), neuron-specific enolase (NSE), cytokeratin 19 fragment (CYFRA21-1) and squamous cell carcinoma (SCC) in 40 lung cancer cases undergoingvideo-assisted thoracoscopic lobectomy were measured before operation and 24 h after operation. RESULTS:Forty American Society of Anesthesiologists (ASA) physical status I or II patients, aged 20 yr-70 yr, body mass index (BMI) 18 kg/m2-25 kg/m2, scheduled for elective video-assisted thoraeoscopic lobectomy, VAS scores at T1 and T2 were lower in group GP than those in group G (P=0.013, P=0.025, respectively), PCIA times during postoperative analgesia 24 h and 48 h were lower in group GP than those in group G (P=0.021, P=0.026, respectively), analgesic volume used during postoperative analgesia 24 h and 48 h were lower in group GP than those in group G (P=0.006, P=0.011, respectively). The level of tumor marker at post-operative were not significantly decreased than preoperative in both groups (P>0.05). CONCLUSIONS: Patients in group G feel more painful and a higher dosage of dezocine is required to relieve the pain than group GP. Thoracic paravertebralblock has no influence on serum level of tumor marker in lung cancer patients undergoing video-assisted thoraeoscopic lobectomy.
RCT Entities:
BACKGROUND: Perioperative management of pain associated with the prognosis of cancerpatients. Optimization of perio-perative analgesia method, then reduce perioperative stress response, reduce opioiddosage, to reduce or even avoid systemic adverse reactions and elevated levels of tumor markers. Serum levels of tumor markers in patients with lung cancer are closely related to tumor growth. Clinical research reports on regional anesthesia effect on tumor markers for lung cancer are still very little in domesticliterature. The aim of this study is to evaluate the effects of thoracic paraverte-bral block on postoperative analgesia and serum level of tumor marker in lung cancerpatients undergoing video-assisted thoracoscopic surgery. METHODS:Lung cancerpatients undergoing video-assisted thoracoscopic surgery were randomly divided into 2 groups (n=20 in each group). The patients in group G were given only general anesthesia. The thoracic paravertebral blockade (PVB) was performed before general anesthesia in patients of group GP. The effect of PVB was judged by testing area of block. Patient controlled intravenous analgesia (PCIA) pump started before the end of surgery in 2 groups. Visual analogue scale (VAS) score was recorded after extubation 2 h (T1), 24 h (T2) and 48 h (T3) after surgery and the times of PCIA and the volume of analgesic drugs used were recorded during 48 h after surgery. The serum levels of carcino-embryonic antigen (CEA), carbohydrate antigen 199 (CA199), carbohydrate antigen 125 (CA125), neuron-specific enolase (NSE), cytokeratin 19 fragment (CYFRA21-1) and squamous cell carcinoma (SCC) in 40 lung cancer cases undergoing video-assisted thoracoscopic lobectomy were measured before operation and 24 h after operation. RESULTS: Forty American Society of Anesthesiologists (ASA) physical status I or II patients, aged 20 yr-70 yr, body mass index (BMI) 18 kg/m2-25 kg/m2, scheduled for elective video-assisted thoraeoscopic lobectomy, VAS scores at T1 and T2 were lower in group GP than those in group G (P=0.013, P=0.025, respectively), PCIA times during postoperative analgesia 24 h and 48 h were lower in group GP than those in group G (P=0.021, P=0.026, respectively), analgesic volume used during postoperative analgesia 24 h and 48 h were lower in group GP than those in group G (P=0.006, P=0.011, respectively). The level of tumor marker at post-operative were not significantly decreased than preoperative in both groups (P>0.05). CONCLUSIONS:Patients in group G feel more painful and a higher dosage of dezocine is required to relieve the pain than group GP. Thoracic paravertebralblock has no influence on serum level of tumor marker in lung cancerpatients undergoing video-assisted thoraeoscopic lobectomy.
本研究经北京大学肿瘤医院医学伦理委员会审查批准(审批号:2013121005),所有参加研究的患者均书面知情同意。择期全麻下行胸腔镜肺癌根治术患者,均经组织学或细胞学确诊为肺癌。术前排除伴有影响血中肿瘤标志物水平的情况(如炎症性疾病、肝肾疾病、妊娠及1个月内有手术史或创伤史)的患者,术前未做放化疗,无滥用酒精、药物、麻醉药物。共40例符合入选标准,其中男性23例,女性17例; 年龄20岁-70岁,体重指数(body mass index, BMI)18 kg/m2-25 kg/m2,美国麻醉医师协会(American Society of Anesthesiologists, ASA)Ⅰ级或Ⅱ级。腺癌28例,鳞癌12例。Ⅰa期8例,Ⅰb期13例,Ⅱa期15例,Ⅱb期4例。采用随机数字表法,将患者分为两组(各20例):单纯全麻组(G组)和胸椎旁神经阻滞(paravertebral block, PVB)复合全麻组(GP)组。
Clinical data and length of procedure of two groups
Group
n
Male/Female
Age
BMI (kg/m2)
ASA (Ⅰ/Ⅱ)
Length of procedure (min)
BMI: body mass index; ASA: American Society of anesthesiologists; The patients in group G were given only general anesthesia. The thoracic paravertebral blockade (PVB) was performed beforegeneral anesthesia in patients of group GP.
G
20
12/8
55±11
23±5
6/14
159±22
GP
20
11/9
53±12
22±4
7/13
162±21
两组患者一般资料和手术时间的比较Clinical data and length of procedure of two groups
两组患者术后不同时点VAS评分比较The VAS score of two groups postoperatively两组患者术后启动自控按钮次数和输注总量比较The total number of attempts and analgesic dosage on PCIA pump of two groups postoperatively两组患者手术前后血清肿瘤标志物水平比较Compared with two groups serum level of tumor marker in preoperative and postoperative
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