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Li Q, Nie H, Wang Z, Li S, Wang Y, Chen N, Wang W, Xu F, Zhang D. The Effects of Perineural Dexamethasone on Rebound Pain After Nerve Block in Patients With Unicompartmental Knee Arthroplasty: A Randomized Controlled Trial. Clin J Pain 2024; 40:409-414. [PMID: 38647134 PMCID: PMC11168780 DOI: 10.1097/ajp.0000000000001220] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2023] [Revised: 01/09/2024] [Accepted: 04/01/2024] [Indexed: 04/25/2024]
Abstract
OBJECTIVES A single nerve block provides excellent analgesia in a short time, but rebound pain after the nerve block dissipates has attracted researchers' attention. The aim of this study was to evaluate the effect of perineural dexamethasone on rebound pain after sciatic nerve block and femoral nerve block in patients undergoing unicompartmental knee arthroplasty (UKA). METHODS In a double-blinded fashion, we recruited 72 patients undergoing UKA, each of whom received sciatic and femoral nerve block. Patients were randomly assigned to 2 groups (n=36): X (ropivacaine only) and D (ropivacaine combined with dexamethasone). The primary outcome was the incidence of rebound pain. The secondary outcomes were rebound pain score, the duration of rebound pain, the duration of nerve block, pain score, sufentanil consumption and rescue analgesic, patient-controlled intravenous analgesia, distance walked, sleep quality score, C-reactive protein levels, and adverse effects. RESULTS Compared with group X, the incidence of rebound pain in group D was higher, the rebound pain score was higher and the duration of the nerve block was prolonged ( P <0.05). At 12, 16, and 20 hours postoperatively, the pain scores at rest in group D were lower. At 32 and 36 hours postoperatively, the pain scores at rest in group D were higher ( P <0.05). Furthermore, patients in group D had lower levels of C-reactive protein after surgery ( P <0.05). DISCUSSION The addition of dexmedetomidine to ropivacaine for UKA effectively prolonged the duration of nerve block and decreased C-reactive protein levels, but increased the incidence of rebound pain and rebound pain score, and had no beneficial effects on the postoperative analgesia.
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Affiliation(s)
- Qingbao Li
- Department of Anesthesiology, Affiliated Hospital of Chengde Medical College
| | - Hanxiao Nie
- Department of Anesthesiology, Affiliated Hospital of Chengde Medical College
| | - Zifan Wang
- Department of Laboratory, Tianjin TEDA International Cardiovascular Hospital
| | - Shihong Li
- Department of Anesthesiology, Affiliated Hospital of Chengde Medical College
| | - Yibin Wang
- Department of Anesthesiology, Affiliated Hospital of Chengde Medical College
| | - Naiqi Chen
- Department of Anesthesiology, Affiliated Hospital of Chengde Medical College
| | - Wei Wang
- Department of Anesthesiology, Affiliated Hospital of Chengde Medical College
| | - Fei Xu
- Department of Joint Surgery, Affiliated Hospital of Chengde Medical College, Chengde, Hebei, China
| | - Deli Zhang
- Department of Anesthesiology, Affiliated Hospital of Chengde Medical College
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Ren L, Yang J, Li Y, Wang Y. Effect of Continuous Infusion of Different Doses of Esketamine on the Bispectral Index During Sevoflurane Anesthesia: A Randomized Controlled Trial. Drug Des Devel Ther 2024; 18:1727-1741. [PMID: 38803563 PMCID: PMC11129705 DOI: 10.2147/dddt.s457625] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2024] [Accepted: 05/13/2024] [Indexed: 05/29/2024] Open
Abstract
Purpose To investigate and quantify the effect of continuous esketamine infusion at different doses on the bispectral index (BIS) during sevoflurane anesthesia. Methods A total of 120 patients scheduled for elective laparoscopic renal surgery were randomly divided into three groups. Under steady anesthesia and surgical situations, the patient was started on continuous infusion of the study drug: 0.125 mg/kg/h esketamine (group E1), 0.25 mg/kg/h esketamine (group E2), and the same volume of saline (group C). The primary outcome was changes in BIS value after 15 min (T15), 30 min (T30), 45 min (T45), and 60 min (T60) of drug infusion. The secondary outcomes were 95% spectral edge frequency (SEF95), electromyogram (EMG), heart rate (HR), and mean arterial pressure (MAP) from T0 to T60. Furthermore, postoperative pain, postoperative recovery, and perioperative adverse events were evaluated. Results Compared with group C, group E1 exhibited significant BIS elevation at T30-T60 and group E2 at T15-T60 (P < 0.001). Compared with group E1, group E2 showed a more significant BIS elevation at T15-T60 (P < 0.001). The area under the curve (AUC) of BIS and SEF95 were significantly higher in group E2 than in groups C and E1 (P < 0.05). BIS value for any of the three groups was significantly correlated with SEF95 (P < 0.001). No significant differences were observed in the AUC of EMG, HR, and MAP among the three groups. Intraoperative remifentanil consumption and postoperative NRS of pain on movement were significantly reduced in group E2 compared with groups C and E1 (P < 0.05). Conclusion Continuous infusion of both 0.125 and 0.25 mg/kg/h of esketamine increased the BIS value during sevoflurane anesthesia, and the BIS value gradually stabilized with the prolongation of the infusion time.
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Affiliation(s)
- Liyuan Ren
- Department of Anesthesiology, Pain and Perioperative Medicine, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, People’s Republic of China
| | - Jinjin Yang
- Department of Anesthesiology, Pain and Perioperative Medicine, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, People’s Republic of China
| | - Yanshuang Li
- Department of Anesthesiology, Pain and Perioperative Medicine, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, People’s Republic of China
| | - Yanping Wang
- Department of Anesthesiology, Pain and Perioperative Medicine, the First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, People’s Republic of China
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Luo Z, Zeng W, Chen X, Xiao Q, Chen A, Chen J, Wang H, Zhou Z. Cocktail of Ropivacaine, Morphine, and Diprospan Reduces Pain and Prolongs Analgesic Effects after Total Knee Arthroplasty: A Prospective Randomized Controlled Trial. Int J Clin Pract 2024; 2024:3697846. [PMID: 38450292 PMCID: PMC10917473 DOI: 10.1155/2024/3697846] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/29/2022] [Revised: 11/26/2023] [Accepted: 01/17/2024] [Indexed: 03/08/2024] Open
Abstract
Background Local infiltration analgesia (LIA) provides postoperative analgesia for total knee arthroplasty (TKA). The purpose of this study was to evaluate the analgesic effect of a cocktail of ropivacaine, morphine, and Diprospan for TKA. Methods A total of 100 patients from September 2018 to February 2019 were randomized into 2 groups. Group A (control group, 50 patients) received LIA of ropivacaine alone (80 ml, 0.25% ropivacaine). Group B (LIA group, 50 patients) received an LIA cocktail of ropivacaine, morphine, and Diprospan (80 ml, 0.25% ropivacaine, 0.125 mg/ml morphine, and 62.5 μg/ml compound betamethasone). The primary outcomes were the levels of inflammatory markers C-reactive protein (CRP) and interleukin-6 (IL-6), pain visual analog scale (VAS) scores, opioid consumption, range of motion (ROM), functional tests, and sleeping quality. The secondary outcomes were adverse events, satisfaction rates, HSS scores, and SF-12 scores. The longest follow-up was 2 years. Results The two groups showed no differences in terms of characteristics (P > 0.05). Group B had lower resting VAS pain scores (1.54 ± 0.60, 95% CI = 1.37 to 1.70 vs. 2.00 ± 0.63, 95% CI = 2.05 to 2.34) and active VAS pain scores (2.64 ± 0.62, 95% CI = 2.46 to 2.81 vs. 3.16 ± 0.75, 95% CI = 2.95 to 3.36) within 48 h postoperatively than Group A (P < 0.001), while none of the pain differences exceeded the minimal clinically important difference (MCID). Group B had significantly lower CRP levels (59.49 ± 13.01, 95% CI = 55.88 to 63.09 vs. 65.95 ± 14.41, 95% CI = 61.95 to 69.94) and IL-6 levels (44.11 ± 13.67, 95% CI = 40.32 to 47.89 vs. 60.72 ± 15.49, 95% CI = 56.42 to 65.01), lower opioid consumption (7.60 ± 11.10, 95% CI = 4.52 to 10.67 vs. 13.80 ± 14.68, 95% CI = 9.73 to 17.86), better ROM (110.20 ± 10.46, 95% CI = 107.30 to 113.09 vs. 105.30 ± 10.02, 95% CI = 102.52 to 108.07), better sleep quality (3.40 ± 1.03, 95% CI = 3.11 to 3.68 vs. 4.20 ± 1.06, 95% CI = 3.90 to 4.49), and higher satisfaction rates than Group A within 48 h postoperatively (P < 0.05). Adverse events, HSS scores, and SF-12 scores were not significantly different within 2 years postoperatively. Conclusions A cocktail of ropivacaine, morphine, and Diprospan prolongs the analgesic effect up to 48 h postoperatively. Although the small statistical benefit may not result in MCID, the LIA cocktail still reduces opioid consumption, results in better sleeping quality and faster rehabilitation, and does not increase adverse events. Therefore, cocktails of ropivacaine, morphine, and Diprospan have good application value for pain control in TKA. This trial is registered with ChiCTR1800018372.
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Affiliation(s)
- Zhenyu Luo
- Department of Orthopedics, Institute of Orthopedic Research, West China Hospital, West China School of Medicine, Sichuan University, Chengdu 610041, China
| | - Weinan Zeng
- Department of Orthopedics, Institute of Orthopedic Research, West China Hospital, West China School of Medicine, Sichuan University, Chengdu 610041, China
| | - Xi Chen
- Department of Operative Dentistry and Endodontics, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
| | - Qiang Xiao
- Department of Orthopedics, Institute of Orthopedic Research, West China Hospital, West China School of Medicine, Sichuan University, Chengdu 610041, China
| | - Anjing Chen
- Department of Orthopedics, Institute of Orthopedic Research, West China Hospital, West China School of Medicine, Sichuan University, Chengdu 610041, China
| | - Jiali Chen
- Department of Orthopedics, Institute of Orthopedic Research, West China Hospital, West China School of Medicine, Sichuan University, Chengdu 610041, China
- Department of Orthopedics, West China Hospital, West China School of Nursing, Sichuan University, Chengdu 610041, China
| | - Haoyang Wang
- Department of Orthopedics, Institute of Orthopedic Research, West China Hospital, West China School of Medicine, Sichuan University, Chengdu 610041, China
| | - Zongke Zhou
- Department of Orthopedics, Institute of Orthopedic Research, West China Hospital, West China School of Medicine, Sichuan University, Chengdu 610041, China
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Zeng X, Zhang X, Jiang W, Zhou X. Efficacy of Intravenous Administration of Esketamine in Preventing and Treating Rebound Pain After Thoracic Paravertebral Nerve Block: A Prospective Randomized, Double-Blind, Placebo-Controlled Trial. Drug Des Devel Ther 2024; 18:463-473. [PMID: 38384750 PMCID: PMC10880457 DOI: 10.2147/dddt.s448336] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2023] [Accepted: 02/03/2024] [Indexed: 02/23/2024] Open
Abstract
Purpose Investigating the efficacy of intraoperative fractionated intravenous esketamine in the prevention of rebound pain after cessation of thoracic paravertebral nerve blockade. Methods One hundred and twenty patients who underwent elective thoracoscopic lobectomy were selected for the study and were randomly divided into two groups, the esketamine group was given 0.5 mg/kg and 0.3 mg/kg of esketamine at the induction of anaesthesia and 30 minutes before the end of the operation, respectively, and the control group was given an equal amount of saline. The incidence of rebound pain (RP) 7 days after surgery and postoperative recovery were compared between the two groups. Results The NRS pain scores at 24 and 48 hours postoperatively in the esketamine group were significantly lower than those in the control group (P < 0.05). The incidence of postoperative rebound pain was significantly lower in the esketamine group than in the control group (P < 0.05). The consumption of sufentanil was less in the esketamine group in the postoperative 48 hours (P < 0.05). Postoperative recovery was compared between the two groups and the difference was not statistically significant. Conclusion Intravenous esketamine reduces postoperative pain scores, decreases the incidence of rebound pain after cessation of thoracic paravertebral block, and reduces opioid consumption.
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Affiliation(s)
- Xu Zeng
- Department of Anaesthesiology, Chengdu Medical College, Chengdu, People’s Republic of China
- Department of Anesthesiology, People’s Hospital of Deyang City, Deyang, People’s Republic of China
| | - Xianjie Zhang
- Department of Anesthesiology, People’s Hospital of Deyang City, Deyang, People’s Republic of China
| | - Wencai Jiang
- Department of Anesthesiology, People’s Hospital of Deyang City, Deyang, People’s Republic of China
| | - Xinyu Zhou
- Department of Anaesthesiology, Chengdu Medical College, Chengdu, People’s Republic of China
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Zhu Y, Feng W, Kong Q, Sheng F, Li Z, Xu W, Li Q, Han Y, Wu X, Jia C, Guo J, Zhao Y. Evaluating the effects of S-ketamine on postoperative delirium in elderly patients following total hip or knee arthroplasty under intraspinal anesthesia: a single-center randomized, double-blind, placebo-controlled, pragmatic study protocol. Front Aging Neurosci 2023; 15:1298661. [PMID: 38099265 PMCID: PMC10720081 DOI: 10.3389/fnagi.2023.1298661] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2023] [Accepted: 11/14/2023] [Indexed: 12/17/2023] Open
Abstract
Introduction Postoperative delirium (POD) is an acute, transient brain disorder associated with decreased postoperative quality of life, dementia, neurocognitive changes, and mortality. A small number of trials have explored the role of S-ketamine in the treatment of POD due to its neuroprotective effects. Surprisingly, these trials have failed to yield supportive results. However, heterogeneity in delirium assessment methodologies, sample sizes, and outcome settings as well as deficiencies in S-ketamine use methods make the evidence provided by these studies less persuasive. Given the severe impact of POD on the health of elderly patients and the potential for S-ketamine to prevent it, we believe that designing a large sample size, and rigorous randomized controlled trial for further evaluation is necessary. Methods This is a single-center, randomized, double-blind, placebo-controlled, pragmatic study. Subjects undergoing total hip or knee arthroplasty will be randomized in a 1:1 ratio to intervention (n = 186) and placebo (n = 186) groups. This trial aims to explore the potential role of S-ketamine in the prevention of POD. Its primary outcome is the incidence of POD within 3 postoperative days. Secondary outcomes include the number of POD episodes, the onset and duration of POD, the severity and subtype of POD, pain scores and opioid consumption, sleep quality, clinical outcomes, and safety outcomes. Discussion To our knowledge, this is the first pragmatic study that proposes to use S-ketamine to prevent POD. We reviewed a large body of literature to identify potential preoperative confounding variables that may bias associations between the intervention and primary outcome. We will use advanced statistical methods to correct potential confounding variables, improving the test's power and external validity of test results. Of note, the patient population included in this trial will undergo intraspinal anesthesia. Although large, multicenter, randomized controlled studies have found no considerable difference in the effects of regional and general anesthesia on POD, patients receiving intraspinal anesthesia have less exposure to at-risk drugs, such as sevoflurane, propofol, and benzodiazepines, than patients receiving general anesthesia. At-risk drugs have been shown to negatively interfere with the neuroprotective effects of S-ketamine, which may be the reason for the failure of a large number of previous studies. There is currently a lack of randomized controlled studies evaluating S-ketamine for POD prevention, and our trial helps to fill a gap in this area.Trial registration: http://www.chictr.org.cn, identifier ChiCTR2300075796.
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Affiliation(s)
- Youzhuang Zhu
- Department of Anesthesiology, The Affiliated Hospital of Qingdao University, Qingdao, Shandong Province, China
| | - Wei Feng
- Department of Anesthesiology, The Affiliated Hospital of Qingdao University, Qingdao, Shandong Province, China
| | - Qinghan Kong
- Department of Anesthesiology, The Affiliated Hospital of Qingdao University, Qingdao, Shandong Province, China
| | - Fang Sheng
- Department of Anesthesiology, The Affiliated Hospital of Qingdao University, Qingdao, Shandong Province, China
| | - Zhichao Li
- Department of Anesthesiology, Cancer Hospital Chinese Academy of Medical Science, Beijing, China
| | - Weilong Xu
- Department of Anesthesiology, The Affiliated Hospital of Qingdao University, Qingdao, Shandong Province, China
| | - Qun Li
- Department of Anesthesiology, The Affiliated Hospital of Qingdao University, Qingdao, Shandong Province, China
| | - Yan Han
- Department of Anesthesiology, The Affiliated Hospital of Qingdao University, Qingdao, Shandong Province, China
| | - Xiuyun Wu
- Department of Anesthesiology, The Affiliated Hospital of Qingdao University, Qingdao, Shandong Province, China
| | - Changxin Jia
- Department of Anesthesiology, The Affiliated Hospital of Qingdao University, Qingdao, Shandong Province, China
| | - Jie Guo
- Department of Anesthesiology, Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, Shandong, China
| | - Yang Zhao
- Department of Anesthesiology, The Affiliated Hospital of Qingdao University, Qingdao, Shandong Province, China
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Xu Z, Lang Y, Xu X, Deng L, Song H, Yin D. The ED50 and ED95 of esketamine for preventing early postoperative pain in patients undergoing laparoscopic cholecystectomy: a prospective, double-blinded trial. BMC Anesthesiol 2023; 23:385. [PMID: 38001477 PMCID: PMC10675926 DOI: 10.1186/s12871-023-02357-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2023] [Accepted: 11/22/2023] [Indexed: 11/26/2023] Open
Abstract
BACKGROUND This study aims to estimate the safety, efficacy, and median effective dose (ED50) of esketamine for preventing early postoperative pain in patients undergoing laparoscopic cholecystectomy. METHODS 54 patients undergoing laparoscopic cholecystectomy were prospectively randomized into two groups (group C and group E). Different doses of esketamine were intravenously administered before the skin incision in Group E. The patients in group C received the same dose of saline at the same time. General population characteristics were recorded. The median effective dose (ED50) and 95% effective dose (ED95) were calculated using Dixon's up-and-down method. Hemodynamic parameters were monitored, and pain intensity was assessed using a visual analog scale. We also recorded the condition of anesthesia recovery period and postoperative adverse reactions. RESULTS The ED50 of esketamine for preventing early postoperative pain was 0.301 mg/kg (95%CI: 0.265-0.342 mg/kg), and the ED95 was 0.379 mg/kg (95%CI: 0.340-0.618 mg/kg), calculated by probability unit regression. Heart rate (HR) was significantly lower in the esketamine group compared to the control at the skin incision (p < 0.05). The total VAS score at resting was significantly lower in the esketamine group compared to the control group during the awakening period (p < 0.05). There was no significant difference between the two groups regarding the incidence of adverse reactions (p > 0.05). CONCLUSIONS In this study, esketamine can prevent early postoperative pain effectively. The ED50 and ED95 of esketamine for controlling early postoperative pain were 0.301 mg/kg and 0.379 mg/kg, respectively. TRIAL REGISTRATION ChiCTR2200066663, 13/12/2022.
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Affiliation(s)
- Zhongling Xu
- Department of Anesthesiology, Affiliated Hospital of Nantong University, Nantong, 226001, Jiangsu province, China
| | - Yantao Lang
- Department of Anesthesiology, Affiliated Hospital of Nantong University, Nantong, 226001, Jiangsu province, China
| | - Xiaolei Xu
- Department of Anesthesiology, Funing People's Hospital of Jiangsu, Yancheng, 224400, Jiangsu province, China
| | - Linjuan Deng
- Department of Anesthesiology, Affiliated Hospital of Nantong University, Nantong, 226001, Jiangsu province, China
| | - Hengya Song
- Department of Anesthesiology, Affiliated Hospital of Nantong University, Nantong, 226001, Jiangsu province, China.
| | - Dekun Yin
- Department of Anesthesiology, Funing People's Hospital of Jiangsu, Yancheng, 224400, Jiangsu province, China.
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