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Polomeni MM, Huguet T, Mariotti M, Larcher C, Delort F, Minville V, Kern D. Avoiding pain during propofol injection in pediatric anesthesia: Hypnoanalgesia of the hand versus intravenous lidocaine. Paediatr Anaesth 2024; 34:742-749. [PMID: 38693886 DOI: 10.1111/pan.14909] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/27/2023] [Revised: 04/11/2024] [Accepted: 04/15/2024] [Indexed: 05/03/2024]
Abstract
INTRODUCTION Pain related to injection of propofol during induction of anesthesia decreases from 66.8% without prevention, to 22-31% of cases when lidocaine is associated. Hypnoanalgesia of the hand is currently used for painful procedures in children but has never been evaluated in this indication. The primary aim of this prospective randomized single-blind study was to evaluate the efficacy of hypnoanalgesia of the hand for the prevention of moderate to severe pain during intravenous injection of propofol alone in comparison to lidocaine admixture. The secondary aim was to compare the global satisfaction of children in both methods. PATIENTS AND METHODS One hundred patients aged 7-14 years, ASA 1-2, admitted for scheduled surgery under general anesthesia were randomized into two groups. Group L received a mixture of 1% propofol (3 mg/kg) and 1% Lidocaine (0.3 mg/kg). Group H received 1% propofol (3 mg/kg) after hypnoanalgesia of the hand realized by a single experimented operator. A video was made in order to evaluate the pain related to propofol injection by a blinded observer using the 4-point score of Cameron (painful ≥ 2). The global satisfaction of children was evaluated in postanesthesia care unit and documented if visual analog score was <7/10. RESULTS Ninety-six patients were analyzed. The rate of painful patients did not differ significantly between groups (8.5% in group H [n = 47] vs 6.1% in group L [n = 49], OR= 0.70; 95% CI [0.13-3.35], p = 0.65), nor did the rate of nonsatisfied patients (10.6 in group H vs. 12.2% in group L, OR = 0.85; 95% CI [0.19-3.65], p = 1). CONCLUSIONS Our results suggest that hypnoanalgesia of the hand alone is effective to prevent the pain related to propofol injection in children. No significant difference was found in comparison with lidocaine admixture nor for pain or satisfaction.
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Affiliation(s)
- Marie-Madeleine Polomeni
- Department of Anesthesia and Intensive Care, University Hospital of Toulouse, Toulouse, France
- Department of Anesthesia and Intensive Care, Children Hospital, University Hospital of Toulouse, Toulouse, France
| | - Thomas Huguet
- Department of Anesthesia and Intensive Care, University Hospital of Toulouse, Toulouse, France
| | - Maryline Mariotti
- Department of Pediatric Analgesia and Palliative Care, Children Hospital of Toulouse, Toulouse, France
| | - Claire Larcher
- Department of Anesthesia and Intensive Care, University Hospital of Toulouse, Toulouse, France
- Department of Anesthesia and Intensive Care, Children Hospital, University Hospital of Toulouse, Toulouse, France
| | - François Delort
- Department of Anesthesia and Intensive Care, University Hospital of Toulouse, Toulouse, France
- Department of Anesthesia and Intensive Care, Children Hospital, University Hospital of Toulouse, Toulouse, France
| | - Vincent Minville
- Department of Anesthesia and Intensive Care, University Hospital of Toulouse, Toulouse, France
| | - Delphine Kern
- Department of Anesthesia and Intensive Care, University Hospital of Toulouse, Toulouse, France
- Department of Anesthesia and Intensive Care, Children Hospital, University Hospital of Toulouse, Toulouse, France
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Guo Y, Yao Z, Feng Y, Wang D, Wang Y, Lin J. ED50 and ED95 of Remimazolam Tosilate Combined with Different Doses of Fentanyl in Elderly Patients for Painless Gastroscopy. Drug Des Devel Ther 2024; 18:2347-2356. [PMID: 38915865 PMCID: PMC11194286 DOI: 10.2147/dddt.s462607] [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: 02/02/2024] [Accepted: 06/11/2024] [Indexed: 06/26/2024] Open
Abstract
Background The novel short-acting benzodiazepine drug, remimazolam tosilate, has been employed for sedation during endoscopic procedures. The optimal loading dosage of remimazolam tosilate in gastroscopy for elderly patients when co-administered with fentanyl remains unclear. Therefore, the primary objective of our research was to ascertain the median effective dose (ED50) and the 95% effective dose (ED95) of remimazolam tosilate in combination with various fentanyl dosages for elderly patients undergoing painless gastroscopy. Methods Seventy-five patients aged ≥65 years and American Society of Anesthesiologists (ASA) class I-III were recruited to undergo elective painless gastroscopy. All patients were randomized assigned to group F1, group F2, and group F3, and were injected intravenously with different doses of fentanyl (0.5 ug/kg, 1 ug/kg, and 1.5 ug/kg) 3 minutes prior to the administration of remimazolam tosilate, respectively. The initial preset dose of remimazolam tosilate was 0.3 mg/kg in group F1, 0.2 mg/kg in group F2, 0.15 mg/kg in group F3. The dose gradient was 0.02 mg/kg per group according to the up-and-down sequential method. Probibt regression model was employed to determine the ED50 and ED95 of remimazolam tosilate. Results The ED50 of remimazolam tosilate in group F3 was lower than that in group F1 and F2 (0.095 [0.088-0.108] mg/kg vs 0.162 [0.153-0.171] mg/kg; 0.258 [0.249-0.266] mg/kg, p < 0.05). The ED95 of remimazolam tosilate was 0.272 mg/kg (95% CI: 0.264-0.295 mg/kg) in group F1, 0.175 mg/kg (95% CI: 0.167-0.200 mg/kg) in group F2 and 0.109 mg/kg (95% CI: 0.101-0.135 mg/kg) in group F3. The total dosage of remimazolam tosilate decreased gradually with the increasing of fentanyl (p < 0.001). The frequency of injection pain was higher in group F1 compared to groups F2 and F3 (p < 0.05). The patients in group F3 had a lower incidence of hypotension than in groups F1 and F2 (p < 0.05). There was no respiratory depression, intraoperative consciousness, dizziness or delirium in the three groups. Conclusion The concurrent use of fentanyl reduces the dosage of remimazolam tosilate required for sedative gastroscopy in elderly patients in a dose-dependent manner. Moreover, 1.5 ug/kg fentanyl combined with remimazolam tosilate may reduce the incidence of hypotension and injection pain. These findings should be confirmed in a large-scale study.
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Affiliation(s)
- Yanxia Guo
- Department of Anesthesiology, Affiliated Hospital of North Sichuan Medical College, Nanchong, Sichuan, People’s Republic of China
| | - Zhihua Yao
- Department of Anesthesiology, Affiliated Hospital of North Sichuan Medical College, Nanchong, Sichuan, People’s Republic of China
| | - Yan Feng
- Department of Anesthesiology, Affiliated Hospital of North Sichuan Medical College, Nanchong, Sichuan, People’s Republic of China
| | - Dan Wang
- Department of Anesthesiology, Affiliated Hospital of North Sichuan Medical College, Nanchong, Sichuan, People’s Republic of China
| | - Yizheng Wang
- Department of Anesthesiology, Affiliated Hospital of North Sichuan Medical College, Nanchong, Sichuan, People’s Republic of China
| | - Jingyan Lin
- Department of Anesthesiology, Affiliated Hospital of North Sichuan Medical College, Nanchong, Sichuan, People’s Republic of China
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Lee C, Yim H, Ham H. Effect of injection pain and withdrawal movement of propofol and rocuronium in the induction of anaesthesia on postoperative pain outcomes in gynaecological laparoscopic surgery: a prospective observational study. Singapore Med J 2024; 65:326-331. [PMID: 35546140 PMCID: PMC11232709 DOI: 10.11622/smedj.2022040] [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: 02/08/2021] [Accepted: 01/04/2022] [Indexed: 11/18/2022]
Abstract
INTRODUCTION The experience and perception of pain may vary among individuals.This prospective cohort study aimed to determine the impact of injection pain/withdrawal movement of propofol and rocuronium in the induction of anaesthesia on postoperative pain outcomes in gynaecological laparoscopic surgery. METHODS A total of 100 patients aged 19-60 years received propofol and rocuronium injections for the induction of anaesthesia. The incidence of propofol injection pain (PIP) and rocuronium-induced withdrawal movement (RIWM), postoperative pain scores and total opioid consumption were evaluated, and the associations between PIP/RIWM and postoperative pain outcomes were determined. RESULTS Visual analogue scale (VAS) for pain after surgery and total opioid consumption after surgery were significantly higher in patients with PIP or RIWM than in patients without PIP or RIWM. The correlations of PIP/RIWM with VAS at 1 h, VAS at 24 h and total opioid consumption were significant and weakly positive ( r = 0.249, r = 0.234, r = 0.22 and r = 0.234, respectively). The RIWM correlated more positively with pain score compared to PIP at 1 h ( r = 0.408 vs. r = 0.234), PIP at 24 h ( r = 0.398 vs. r = 0.227) and with total opioid consumption for 48 h after surgery ( r = 0.457 vs. r = 0.234). CONCLUSION During anaesthesia induction, the occurrence of PIP and RIWM may predict the severity of postoperative pain and total opioid consumption, with RIWM emerging as a stronger predictor than PIP.
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Affiliation(s)
- Cheol Lee
- Department of Anesthesiology and Pain Medicine, Wonkwang University School of Medicine, Republic of Korea
| | - Hyeonbin Yim
- Department of Anesthesiology and Pain Medicine, Wonkwang University School of Medicine, Republic of Korea
| | - Hyangdo Ham
- Department of Anesthesiology and Pain Medicine, Wonkwang University School of Medicine, Republic of Korea
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Leff PJ, Dinner BA, Chuang KY, Leff DB. Characteristics that increase the risk for pain on propofol injection. BMC Anesthesiol 2024; 24:190. [PMID: 38807072 PMCID: PMC11131289 DOI: 10.1186/s12871-024-02573-y] [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: 12/25/2023] [Accepted: 05/22/2024] [Indexed: 05/30/2024] Open
Abstract
BACKGROUND Propofol for anesthesia has become increasingly popular for endoscopic procedures. However, pain on propofol injection (POPI) remains an issue with administration. The primary endpoint of this study was to identify patient characteristics and factors, such as IV site and gauge, that could predict the occurrence of POPI. METHODS This was a prospective chart review study of 291 patients undergoing endoscopic procedures. The patient's demographics, intravenous (IV) site, and gauge were extrapolated. POPI was scored 0-3: 0 for no pain, 1 for minimal discomfort or awareness of sensation, 2 for discomfort but manageable/tolerable, and 3 for severe discomfort with writhing. RESULTS 291 patient charts were reviewed. One patient was excluded for a lower extremity IV site. 225 (77.6%) had no pain, 48 (16.6%) grade 1 pain, 16 (5.5%) grade 2 pain, and 1 (0.3%) grade 3 pain. 137, 13, and 140 patients respectively had antecubital (AC), forearm, and hand IVs. Zero patients with an AC IV experienced a score greater than 1. Compared to AC, forearm IVs with pain of 2-3 had a univariate odds ratio (OR) of 11.3 (0.66,1.92; p-value < 0.001), and hand IVs had a univariate OR of 18.8 (2.46,143.3; p-value < 0.001) with a multivariable OR 15.2 (1.93,118.9; p-value 0.004). Patients with anxiety/depression and pain had a univariate OR 2.31 (1.09, 7.27; p-value 0.031) with a multivariable OR 2.85 (1.06, 7.74; p-value 0.039). SSRI/SNRI use had a univariate OR 1.56 (0.57,4.28; p-value 0.38). Alcohol use had a univariate OR 1.24 (0.39,3.91; p-value 0.71). Narcotic use had a Univariate OR 6.18 (1.49,25.6; p-value 0.012). Diabetic patients had a univariate OR of 1.42 (0.45,4.48; p-value 0.55). Chronic pain had a univariate OR of 3.11 (1.04,9.28; p-value 0.042). Females had a univariate OR 0.98 (0.37,2.63; p-value 0.95). CONCLUSION This study identified potential characteristics for having POPI. The incidence of POPI was statistically significant in patients with hand and forearm IVs compared to AC IV sites, larger IV gauges, history of depression/anxiety, history of chronic narcotic use, fibromyalgia, and chronic pain syndromes. This shows the potential of premedicating with analgesics or using AC sites on these select patients to help reduce the risk of POPI.
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Affiliation(s)
- Phillip J Leff
- Department of Internal Medicine, Creighton University Phoenix, 350 W Thomas Rd, Phoenix, AZ, 85013, USA.
| | - Brett A Dinner
- Department of Internal Medicine, Creighton University Phoenix, 350 W Thomas Rd, Phoenix, AZ, 85013, USA
| | - Keng-Yu Chuang
- Department of Gastroenterology, Creighton University Phoenix, 350 W Thomas Rd, Phoenix, AZ, 85013, USA
| | - David B Leff
- Central Arizona Medical Associates, 3638 E Southern Ave, Ste C108, Mesa, AZ, USA
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Hudaib M, Malik H, Zakir SJ, Rabbani S, Gnanendran D, Syed ARS, Suri NF, Khan J, Iqbal A, Hussain N, Abdullah M, Kumar S, Khatri M, Varrassi G. Efficacy and safety of ciprofol versus propofol for induction and maintenance of general anesthesia: a systematic review and meta-analysis. JOURNAL OF ANESTHESIA, ANALGESIA AND CRITICAL CARE 2024; 4:25. [PMID: 38605424 PMCID: PMC11008023 DOI: 10.1186/s44158-024-00160-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/08/2024] [Accepted: 04/03/2024] [Indexed: 04/13/2024]
Abstract
BACKGROUND Propofol has been the gold standard for anesthesia induction and maintenance due to its rapid onset and favorable pharmacokinetic properties. However, the search for alternative agents with improved safety and efficacy has led to the emergence of ciprofol (HSK3486), a structural analog of propofol. This systematic review and meta-analysis aim to comprehensively assess the safety and efficacy of ciprofol compared to propofol for anesthesia induction and maintenance in adult patients undergoing surgical procedures. METHODS This study included only double-arm RCTs in which participants were aged eighteen or older undergoing surgery. For the statistical analysis of the extracted data, we employed RevMan 5.4.1. RESULTS Ciprofol demonstrated a promising trend of higher anesthesiologists' satisfaction during the induction phase (MD 0.14, 95%, CI - 0.28 to 0.56, p = 0.51), whereas Propofol was favored during maintenance. Propofol also exhibited advantages with a shorter time to successful anesthesia induction (MD 0.08 min, 95% CI 0.00 to 0.15, p = 0.04), and quicker attainment of full alertness (MD 0.11 min, 95% CI - 1.29 to 1.52, p = 0.87), suggesting its efficiency in clinical practice. Importantly, there were no significant disparities in the success rate of anesthesia. CONCLUSION Both ciprofol and propofol demonstrate comparable efficacy and safety for anesthesia induction and maintenance in adult patients undergoing surgery. While propofol provides a faster onset of induction, ciprofol exhibits advantages in terms of pain management. Clinicians should consider these findings when selecting anesthetic agents, and tailoring choices to individual patient needs and clinical scenarios.
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Affiliation(s)
| | - Hurais Malik
- Fazaia Ruth Pfau Medical College, Karachi, Pakistan
| | | | - Samra Rabbani
- Dow University of Health Sciences, Karachi, Pakistan
| | | | | | | | - Javeria Khan
- Dow University of Health Sciences, Karachi, Pakistan
| | - Arham Iqbal
- Dow University of Health Sciences, Karachi, Pakistan
| | - Nowal Hussain
- Dow University of Health Sciences, Karachi, Pakistan
| | - Muhammad Abdullah
- CMH Lahore Medical College and Institute of Dentistry, Lahore, Pakistan
| | - Satesh Kumar
- Shaheed Mohtarma Benazir Bhutto Medical College, Karachi, Pakistan
| | - Mahima Khatri
- Dow University of Health Sciences, Karachi, Pakistan
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Gan TJ, Bertoch T, Habib AS, Yan P, Zhou R, Lai YL, Liu X, Essandoh M, Daley WL, Gelb AW. Comparison of the Efficacy of HSK3486 and Propofol for Induction of General Anesthesia in Adults: A Multicenter, Randomized, Double-blind, Controlled, Phase 3 Noninferiority Trial. Anesthesiology 2024; 140:690-700. [PMID: 38150544 DOI: 10.1097/aln.0000000000004886] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2023]
Abstract
BACKGROUND Propofol is an intravenous anesthetic associated with hypotension, respiratory depression, and injection-site pain. HSK3486 injectable emulsion (ciprofol) is a 2,6-disubstituted phenol derivative with fast onset and quick, stable recovery. Previous studies support HSK3486 as an effective, safe anesthetic with substantially less injection-site pain than propofol. The primary objective of this study was to investigate the noninferiority of HSK3486 compared with propofol in successful general anesthesia induction. METHODS Two hundred fifty-five participants were enrolled in HSK3486-304, a multicenter, randomized (2:1), double-blind, propofol-controlled, phase 3 study evaluating HSK3486 for general anesthesia induction in adults undergoing elective surgery with tracheal intubation. The primary endpoint was successful anesthesia induction, defined as 1 or less on the Modified Observer's Assessment of Alertness/Sedation scale. Key secondary endpoints were proportion of participants with injection-site pain on the Numerical Rating Scale of 1 or greater and a composite endpoint, including the proportion of participants successfully induced while maintaining the desired anesthetic depth and without substantial cardiac and respiratory events. Safety endpoints included adverse events, abnormal vital signs, and injection-site pain. RESULTS Two hundred fifty-one participants (HSK3486, n = 168; propofol, n = 83) were included in the analyses. General anesthesia was successfully induced in 97.0% versus 97.6% of participants with HSK3486 and propofol, respectively. The difference in success rate was -0.57% (95% CI, -5.4 to 4.2%); the noninferiority boundary of -8% was not crossed. Thirty participants (18.0%) had injection-site pain with HSK3486 versus 64 (77.1%) with propofol (P < 0.0001). Eighty-one participants (48.2%) with HSK3486 versus 42 (50.6%) with propofol (P = 0.8780) satisfied the composite endpoint. When injection-site pain was excluded, the incidence of treatment-emergent adverse events related to study drug was 17.9% for HSK3486 and 14.5% for propofol. CONCLUSIONS The study met its primary objective and endpoint, demonstrating noninferiority of HSK3486 compared with propofol in successful anesthetic induction. Substantially less injection-site pain was associated with HSK3486 than with propofol. EDITOR’S PERSPECTIVE
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Affiliation(s)
- Tong J Gan
- Anesthesiology, Critical Care and Pain Medicine Division, University of Texas MD Anderson Cancer Center, Houston, Texas
| | | | - Ashraf S Habib
- Department of Anesthesiology, Duke University School of Medicine, Durham, North Carolina
| | - Pangke Yan
- Haisco Pharmaceutical Group Co., Ltd., Shannan, China
| | - Rong Zhou
- Haisco Pharmaceutical Group Co., Ltd., Shannan, China
| | - Yu-Ling Lai
- Haisco-USA Pharmaceuticals, Inc., Bridgewater, New Jersey
| | - Xiao Liu
- Haisco Pharmaceutical Group Co., Ltd., Shannan, China
| | - Michael Essandoh
- Department of Anesthesiology, Ohio State University Wexner Medical Center, Columbus, Ohio
| | | | - Adrian W Gelb
- Department of Anesthesia and Perioperative Care, University of California San Francisco, San Francisco, California
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Ahmer W, Imtiaz S, Alam DM, Ahmed K, Sajid B, Yousuf J, Asnani S, Fahim MAA, Ali R, Mansoor M, Safdar MT, Anjum MU, Hasanain M, Larik MO. Remimazolam versus propofol for sedation in gastrointestinal endoscopy and colonoscopy within elderly patients: a meta-analysis of randomized controlled trials. Eur J Clin Pharmacol 2024; 80:493-503. [PMID: 38261005 DOI: 10.1007/s00228-024-03624-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2023] [Accepted: 01/10/2024] [Indexed: 01/24/2024]
Abstract
PURPOSE Propofol has become the sedative of choice for endoscopy and colonoscopy. However, it has shown associations with various adverse effects, specifically in the geriatric population. In contrast, remimazolam is a novel benzodiazepine, demonstrating a superior clinical safety profile. Hence, this systematic review and meta-analysis aims to clarify the efficacy and safety of remimazolam versus propofol in elderly patients (≥ 60 years) undergoing gastrointestinal endoscopic and colonoscopy procedures. METHODS Electronic databases including PubMed, Cochrane Library, ScienceDirect, and Google Scholar were explored from inception till January 7, 2024. The Cochrane Risk of Bias Tool for Randomized Controlled Trials (RoB-2) was utilized to evaluate the quality of each included study reported in this meta-analysis. RESULTS Seven randomized control trials were included, resulting in the pooling of 1,466 patients (remimazolam: 731 patients; propofol: 735 patients). Propofol demonstrated a significantly lower time to loss of consciousness (P < 0.00001, 4 studies, 784 patients) and a greater sedation success after first dose (P = 0.05, 5 studies, 1,271 patients). Remimazolam reported a significantly lower risk of bradycardia (P = 0.02, 5 studies, 1,323 patients), hypoxemia (P < 0.00001, 6 studies, 1,389 patients), and pain on injection site (P < 0.00001, 5 studies, 1,184 patients). No statistically significant differences in sedation time, number of supplemental doses, procedural parameters, and other adverse outcomes were reported. CONCLUSION As per the results of our analyses, propofol demonstrated comparatively superior efficacy, however, remimazolam demonstrated comparatively superior safety. The debatable evidence generated from this meta-analysis may not currently be powerful enough to advocate for the use of remimazolam in elderly patients undergoing gastrointestinal procedures; hence, further comprehensive studies are necessary in order to arrive at a robust conclusion.
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Affiliation(s)
- Wania Ahmer
- Department of Medicine, Dow Medical College, Karachi, Pakistan
| | - Sahar Imtiaz
- Department of Medicine, Dow Medical College, Karachi, Pakistan
| | | | - Khadija Ahmed
- Department of Medicine, Dow Medical College, Karachi, Pakistan
| | - Barka Sajid
- Department of Medicine, Sindh Medical College, Karachi, Pakistan
| | - Juvairia Yousuf
- Department of Medicine, Dow Medical College, Karachi, Pakistan
| | - Sunny Asnani
- Department of Medicine, Sindh Medical College, Karachi, Pakistan
| | | | - Rahmeen Ali
- Department of Medicine, Dow Medical College, Karachi, Pakistan
| | - Marium Mansoor
- Department of Medicine, Allama Iqbal Medical College, Lahore, Pakistan
| | - Muhammad Talha Safdar
- Department of Medicine, Shaheed Mohtarma Benazir Bhutto Medical College Lyari, Karachi, Pakistan
| | | | | | - Muhammad Omar Larik
- Department of Medicine, Dow International Medical College, Karachi, Pakistan.
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Tang L, Lv W, Sun J, Chen L. Effect of intravenous lidocaine on the ED50 of propofol induction dose in elderly patients undergoing painless gastroscopy: a prospective, randomized, double-blinded, controlled study. Perioper Med (Lond) 2024; 13:15. [PMID: 38444044 PMCID: PMC10916234 DOI: 10.1186/s13741-024-00370-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2023] [Accepted: 02/27/2024] [Indexed: 03/07/2024] Open
Abstract
BACKGROUND Intravenous lidocaine could be a potential alternative adjuvant to propofol-based sedation for gastroscopy in elderly patients. This study aimed to evaluate the effect of intravenous lidocaine on the median effective dose (ED50) of propofol induction dose in elderly patients undergoing painless gastroscopy. METHODS The study included 70 patients aged ≥ 60 years undergoing painless gastroscopy with 64 randomly assigned to either group L (2% lidocaine 1.5 mg/kg, n = 31) or group N (equal volume normal saline, n = 33). All patients received propofol induction following 0.1 μg/kg intravenous sufentanil. The Dixon "up-and-down" sequential method was used, with a 1.5 mg/kg initial induction dose of propofol followed by a 0.1 mg/kg sequential variable dose. The primary endpoint was the ED50 of the propofol induction dose. The total propofol dose, recovery time, adverse events, and local anesthetic intoxication reactions were also recorded. RESULTS The ED50 of propofol induction dose was 0.670 (95% confidence interval [CI] 0.216-0.827) mg/kg in group L and 1.118 (95% CI 0.803-1.232) mg/kg in group N. There was a statistically significant difference between the two groups (p < 0.001). The incidence of hypotension and propofol injection pain were lower in group L than in group N (p < 0.05). Furthermore, the orientation recovery time in group L was shorter compared to group N (p < 0.05). None of the participants in group L observed local anesthetic intoxication reactions after receiving lidocaine. CONCLUSIONS The administration of intravenous lidocaine to elderly patients undergoing painless gastroscopy resulted in a significant 40% reduction in the ED50 of propofol induction dose, which may be related to the decreased incidence of hypotension and injection pain, as well as the improved post-gastroscopy orientation recovery. TRIAL REGISTRATION ChiCTR, ChiCTR2200065530. Registered on 08 November 2022.
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Affiliation(s)
- Lili Tang
- Department of Anesthesiology, the First Affiliated Hospital of Anhui Medical University, Hefei, Anhui, China
| | - Wenhui Lv
- Department of Anesthesiology, the First Affiliated Hospital of Anhui Medical University, Hefei, Anhui, China
| | - Jingjing Sun
- Department of Anesthesiology, the First Affiliated Hospital of Anhui Medical University, Hefei, Anhui, China
| | - Lijian Chen
- Department of Anesthesiology, the First Affiliated Hospital of Anhui Medical University, Hefei, Anhui, China.
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Lee C, Lee C, Lim J, Park J, Jung J, Lee H, Lee M. The Relationship between Pre-Anesthetic Analgesia and Nociception (ANI) and Propofol Injection Pain among Patients Receiving Remifentanil: A Prospective, Randomized, Controlled Study. MEDICINA (KAUNAS, LITHUANIA) 2024; 60:273. [PMID: 38399560 PMCID: PMC10889958 DOI: 10.3390/medicina60020273] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/18/2023] [Revised: 01/23/2024] [Accepted: 01/31/2024] [Indexed: 02/25/2024]
Abstract
Background and Objectives: The analgesia/nociception index (ANI) potentially monitors nociceptive status during anesthesia, but its link to preoperative pain sensitivity is unclear. We investigated the relationship between pre-anesthetic ANI scores and propofol injection pain (PIP) in patients receiving remifentanil. Materials and Methods: This study included 124 male patients aged 19-60 undergoing general anesthesia (ASA class I or II). Patients were randomized to group R (n = 62, remifentanil 4 ng/mL) or group C (n = 62, saline). The primary outcome was the association between PIP and ANI. Secondary outcomes included the incidence and severity of PIP or rocuronium-induced withdrawal movement (RIWM) and their association with ANI. Results: PIP and RIWM incidence and severity were lower in group R than in group C. A weak negative correlation between PIP and ANI at pre-induction (rpb = -0.21, p = 0.02, rpb = -0.37, p < 0.01) and a moderate negative correlation during propofol injection (rpb = -0.48, p = 0.02) were observed. A significant negative correlation was found between RIWM and ANI during rocuronium injection (τb = -0.61, p < 0.01). AUC, cut-off value, specificity, and sensitivity in ANI at pre-induction for predicting PIP were 0.67 (p = 0.02), 59, 76%, and 55%, respectively. AUC, cut-off value, specificity, and sensitivity in ANI during propofol injection for PIP were 0.77 (p < 0.01), 65, 81%, and 67%, respectively. Conclusions: ANI scores demonstrated significant differences between groups, suggesting potential predictive value for PIP despite the low pre-induction AUC value. This study highlights the potential of using ANI scores to predict and manage PIP in patients receiving remifentanil.
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Affiliation(s)
- Cheolhyeong Lee
- Department of Anesthesiology and Pain Medicine, Wonkwang University School of Medicine Hospital, 895 Muwang-ro, Iksan 54538, Republic of Korea; (C.L.); (J.L.); (J.P.)
| | - Cheol Lee
- Department of Anesthesiology and Pain Medicine, Wonkwang University School of Medicine Hospital, 895 Muwang-ro, Iksan 54538, Republic of Korea; (C.L.); (J.L.); (J.P.)
| | - Junsung Lim
- Department of Anesthesiology and Pain Medicine, Wonkwang University School of Medicine Hospital, 895 Muwang-ro, Iksan 54538, Republic of Korea; (C.L.); (J.L.); (J.P.)
| | - Jeongki Park
- Department of Anesthesiology and Pain Medicine, Wonkwang University School of Medicine Hospital, 895 Muwang-ro, Iksan 54538, Republic of Korea; (C.L.); (J.L.); (J.P.)
| | - Jaehak Jung
- Department of Obstetrics and Gynecology, Wonkwang University School of Medicine Hospital, 895 Muwang-ro, Iksan 54538, Republic of Korea
| | - Hayoung Lee
- Department of Nursing, Wonkwang University School of Medicine Hospital, 895 Muwang-ro, Iksan 54538, Republic of Korea;
| | - Myeongjong Lee
- Department of Anesthesiology and Pain Medicine, Konkuk University Medical School, 82 Gugwondae-ro, Chungju 27376, Republic of Korea;
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An X, Shen T, Yin X, Xu J, Zhang Y, Wang T. The safety of remimazolam versus propofol in gastroscopic sedation: a meta-analysis. BMC Anesthesiol 2024; 24:40. [PMID: 38287259 PMCID: PMC10823673 DOI: 10.1186/s12871-024-02422-y] [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: 05/08/2023] [Accepted: 01/18/2024] [Indexed: 01/31/2024] Open
Abstract
BACKGROUND This meta-analysis was designed to compare the safety and efficiency of remimazolam with those of propofol in patients undergoing gastroscope sedation. METHODS We searched PubMed, Cochrane Library, Embase, Ovid, Wanfang Database, China National Knowledge Infrastructure, SINOMED, and ClinicalTrials.gov for studies that reported on remimazolam versus propofol for gastroscope sedation from establishment to February 25, 2023. The sedative efficiency and the incidence of adverse events were assessed as outcomes. Version 2 of the Cochrane risk-of-bias assessment tool was used to assess the risk of bias. Review Manager 5.4 and STATA 17 were used to perform all statistical analyses. RESULTS A total of 26 randomized controlled trials involving 3,641 patients were included in this meta-analysis. The results showed that remimazolam had a significantly lower incidence of respiratory depression (risk ratio [RR] = 0.40, 95% confidence interval [CI]: 0.28-0.57; p < 0.01, GRADE high), hypoxemia (RR = 0.34, 95% CI: 0.23-0.49; p < 0.01, GRADE high), bradycardia (RR = 0.34, 95% CI: 0.23-0.51; p < 0.01, GRADE high), dizziness (RR = 0.45, 95% CI: 0.31-0.65; p < 0.01, GRADE high), injection site pain (RR = 0.06, 95% CI: 0.03-0.13; p < 0.01, GRADE high), nausea or vomiting (RR = 0.79, 95% CI: 0.62-1.00; p = 0.05, GRADE moderate), and hypotension (RR = 0.36, 95% CI: 0.26-0.48; p < 0.01, GRADE low). CONCLUSIONS Remimazolam can be used safely in gastroscopic sedation and reduces the incidence of respiratory depression, hypoxemia, bradycardia, injection site pain, and dizziness compared with propofol, and doesn't increase the incidence of nausea and vomiting.
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Affiliation(s)
- Xincan An
- Department of Anesthesiology, Xuanwu Hospital, Capital Medical University, Beijing, China
| | - Tianqi Shen
- Department of Anesthesiology, 984th Hospital of the People's Liberation Army, Beijing, China
| | - Xingxing Yin
- Department of Anesthesiology, 984th Hospital of the People's Liberation Army, Beijing, China
| | - Jin Xu
- Department of Education, Xuanwu Hospital, Capital Medical University, Beijing, China
| | - Yongming Zhang
- Department of Anesthesiology, 984th Hospital of the People's Liberation Army, Beijing, China
| | - Tianlong Wang
- Department of Anesthesiology, Xuanwu Hospital, Capital Medical University, Beijing, China.
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Wu X, Liao M, Lin X, Hu J, Zhao T, Sun H. Effective doses of ciprofol combined with alfentanil in inhibiting responses to gastroscope insertion, a prospective, single-arm, single-center study. BMC Anesthesiol 2024; 24:2. [PMID: 38166724 PMCID: PMC10759617 DOI: 10.1186/s12871-023-02387-4] [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: 08/24/2023] [Accepted: 12/17/2023] [Indexed: 01/05/2024] Open
Abstract
BACKGROUND Ciprofol is a novel intravenous sedative and anesthetic. Studies have shown that it features a rapid onset of action, a fast recovery time, slight inhibition of respiratory and cardiovascular functions, and a low incidence of adverse reactions. This study aims to explore the median effective dose (ED50) and the 95% effective dose (ED95) of ciprofol in inhibiting responses to gastroscope insertion when combined with a low dose of alfentanil, and to evaluate its safety, to provide a reference for the rational use of ciprofol in clinical practices. METHODS We included 25 patients aged 18-64 years of either sex who underwent gastroscopy under intravenous general anesthesia, with a Body Mass Index (BMI) 18-28 kg/m2, and an American Society of Anesthesiologists (ASA) grade I or II. In this study, the dose-finding strategy of ciprofol followed a modified Dixon's up-and-down method with an initial dose of 0.30 mg/kg and an increment of 0.02 mg/kg. Ciprofol was administered after intravenous injection of 7 µg/kg of alfentanil, and 2 min later a gastroscope was inserted. When the insertion response of one participant was positive (including body movement, coughing, and eye opening), an escalation of 0.02 mg/kg would be given to the next participant; otherwise, a de-escalation of 0.02 mg/kg would be administered. The study was terminated when negative response and positive response alternated 8 times. A Probit model was used to calculate the ED50 and ED95 of ciprofol in inhibiting responses to gastroscope insertion when combined with alfentanil. Patients' recovery time, discharge time, vital signs and occurrence of adverse reactions were recorded. RESULTS The ED50 of single-dose intravenous ciprofol injection with 7 µg/kg of alfentanil in inhibiting gastroscope insertion responses was 0.217 mg/kg, and the ED95 was 0.247 mg/kg. Patients' recovery time and discharge time were 11.04 ± 1.49 min and 9.64 ± 2.38 min, respectively. The overall incidence of adverse reactions was 12%. CONCLUSION The ED50 of ciprofol combined with 7 µg/kg of alfentanil in inhibiting gastroscope insertion responses was 0.217 mg/kg, and the ED95 was 0.247 mg/kg. Ciprofol showed a low incidence of anesthesia-related adverse events. TRIAL REGISTRATION http://www.chictr.org.cn (ChiCTR2200061727).
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Affiliation(s)
- Xiaoru Wu
- Department of Anesthesiology, The Second Affiliated Hospital of Hainan Medical University, Hai Kou, 570311, China
| | - Min Liao
- Department of Anesthesiology, The Second Affiliated Hospital of Hainan Medical University, Hai Kou, 570311, China
| | - Xingzhou Lin
- Department of Anesthesiology, The Second Affiliated Hospital of Hainan Medical University, Hai Kou, 570311, China
| | - Jianing Hu
- Department of Anesthesiology, The Second Affiliated Hospital of Hainan Medical University, Hai Kou, 570311, China
| | - Tangyuanmeng Zhao
- Department of Anesthesiology, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Hu Sun
- Department of Anesthesiology, The Second Affiliated Hospital of Hainan Medical University, Hai Kou, 570311, China.
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Wen J, Liu C, Ding X, Tian Z, Jiang W, Wei X, Liu X. Efficacy and safety of ciprofol (HSK3486) for procedural sedation and anesthesia induction in surgical patients: A systematic review and meta-analysis. Heliyon 2023; 9:e22634. [PMID: 38125496 PMCID: PMC10730721 DOI: 10.1016/j.heliyon.2023.e22634] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2023] [Revised: 11/15/2023] [Accepted: 11/15/2023] [Indexed: 12/23/2023] Open
Abstract
Background Ciprofol (HSK3486) is a novel gamma-aminobutyric acid type A (GABAA) receptor agonist that has attracted wide attention because of its lower injection pain and fewer adverse events. We summarized all available evidence and analyzed the efficacy and safety of ciprofol during procedural sedation and anesthesia induction. Methods An electronic search of PubMed, Embase, Cochrane Library, Web of Science, Google Scholar, Science Direct, the Chinese National Knowledge Infrastructure, Wan Fang Data, and the VIP Chinese Journal Service platform was conducted from inception of databases to March 1, 2023. Risk ratio (RR) and mean difference (MD) with 95 % confidence interval (CI) were used separately for binary categorical and continuous variables. We performed trial sequential analysis and the Grading of Recommendations, Assessment, Development, and Evaluation (GRADE) methodology to judge the certainty of evidence. Results Fifteen randomized controlled trials with 2441 patients were included in this study. Ciprofol showed similar advantages to propofol in terms of induction success rate (RR = 1, 95 % CI = 0.99, 1.01, moderate certainty) and induction time (MD = 3.31, 95 % CI = -0.34, 6.95, low certainty), but did not increase the incidence of adverse events (RR = 0.88, 95 % CI = 0.78, 1.00, very low certainty), such as bradycardia (RR = 0.96, 95 % CI = 0.77, 1.21, high certainty), hypoxia (RR = 0.79, 95 % CI = 0.46, 1.37, p = 0.40, moderate certainty) and other adverse events. Although it may be associated with a longer time to be fully alert (MD = 1.22, 95 % CI = 0.32, 2.12, very low certainty), ciprofol significantly reduced injection pain (RR = 0.15, 95 % CI 0.09, 0.24, low certainty) and may have reduced the incidence of hypotension (RR = 0.77, 95 % CI = 0.63, 0.94, low certainty) and respiratory depression (RR = 0.29, 95 % CI = 0.15, 0.56, moderate certainty). Conclusion Ciprofol and propofol had similar effects on most outcomes. While the time to full alertness may be prolonged, injection pain was significantly reduced, and hypotension and respiratory depression may be reduced compared with propofol. We believe that ciprofol is an effective alternative to intravenous anesthetic agents.
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Affiliation(s)
- Jiaxuan Wen
- School of Nursing, Weifang Medical University, Weifang, 261053, PR China
| | - Chen Liu
- School of Nursing, Weifang Medical University, Weifang, 261053, PR China
| | - Xueying Ding
- School of Nursing, Weifang University of Science and Technology, Weifang, PR China
| | - Zimeng Tian
- College of Integrated Chinese and Western Medicine, Jining Medical University, 133 Lotus Road, Jining, 272067, Shandong province, PR China
| | - Wenyu Jiang
- School of Public Health, Weifang Medical University, Weifang, 261053, PR China
| | - Xiuhong Wei
- School of Nursing, Weifang Medical University, Weifang, 261053, PR China
| | - Xin Liu
- Department of Neonatology, Weifang People's Hospital, 261000, PR China
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Han J, Lee H. Control Volume Analysis of the Infusion Rate in Cephalic and Median Cubital Veins Based on Infusion Bag Height and Peripheral Venous Catheter Inner Diameter: Application of Bernoulli's Equation and Consideration of Frictional Forces. J Multidiscip Healthc 2023; 16:3609-3618. [PMID: 38034878 PMCID: PMC10684996 DOI: 10.2147/jmdh.s409050] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2023] [Accepted: 10/27/2023] [Indexed: 12/02/2023] Open
Abstract
Purpose This pilot study aimed to provide basic data on intravenous infusion nursing by analyzing the infusion rate in the cephalic and median cubital veins depending on the height of the infusion bag and inner diameter of the peripheral venous catheter (PVC). Methods While infusing 0.9% normal saline at 22 °C (room temperature) into elbow cephalic and median cubital veins, the infusion rate may be controlled by adjusting the fluid height and PVC diameter. To assess the validity of the laminar flow assumption, the study estimated the Reynolds number (Re) using the velocity obtained by applying Bernoulli's equation considering the friction coefficient. Results At a constant fluid height, the infusion rate increased with increasing PVC diameter. At a constant PVC diameter, the infusion rate increased with increasing fluid height. In a comparison between the cephalic and median cubital veins at constant fluid height and PVC diameter, the solution was infused at a higher rate into the cephalic vein, which was under lower venous pressure. Conclusion The analysis of the infusion rate according to fluid height and PVC diameter provided basic data on intravenous infusion nursing. The results are expected to provide evidence for the standardization of intravenous infusion nursing.
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Affiliation(s)
- Jeongwon Han
- College of Nursing Science, Kyung Hee University, Seoul, Republic of Korea
| | - Hanna Lee
- Department of Nursing, Gangneung-Wonju National University, Gangwon‑do, Republic of Korea
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Oue K, Oda A, Shimizu Y, Takahashi T, Kamio H, Sasaki U, Imamura S, Imado E, Mukai A, Doi M, Sakuma M, Ono S, Aikawa T, Yoshida M. Efficacy and safety of remimazolam besilate for sedation in outpatients undergoing impacted third molar extraction: a prospective exploratory study. BMC Oral Health 2023; 23:774. [PMID: 37865761 PMCID: PMC10589926 DOI: 10.1186/s12903-023-03538-2] [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: 05/24/2023] [Accepted: 10/12/2023] [Indexed: 10/23/2023] Open
Abstract
BACKGROUND Dental treatments often cause anxiety, fear, and stress in patients. Intravenous sedation is widely used to alleviate these concerns, and various agents are employed for sedation. However, it is important to find safer and more effective sedation agents, considering the adverse effects associated with current agents. This study aimed to investigate the efficacy and safety of remimazolam besilate (hereinafter called "remimazolam") and to determine the optimal dosages for sedation in outpatients undergoing dental procedures. METHODS Thirty-one outpatients aged 18-65 years scheduled for impacted third molar extraction were included in the study. Remimazolam was administered as a single dose of 0.05 mg/kg followed by a continuous infusion at a rate of 0.35 mg/kg/h, with the infusion rate adjusted to maintain a sedation level at a Modified Observer's Assessment of Alertness/Sedation (MOAA/S) score of 2-4. The primary endpoint was the sedation success rate with remimazolam monotherapy, and the secondary endpoints included induction time, recovery time, time until discharge, remimazolam dose, respiratory and circulatory dynamics, and frequency of adverse events. RESULTS The sedation success rate with remimazolam monotherapy was 100%. The remimazolam induction dose was 0.08 (0.07-0.09) mg/kg, and the anesthesia induction time was 3.2 (2.6-3.9) min. The mean infusion rate of remimazolam during the procedure was 0.40 (0.38-0.42) mg/kg/h. The time from the end of remimazolam administration to awakening was 8.0 (6.7-9.3) min, and the time from the end of remimazolam administration to discharge was 14.0 (12.5-15.5) min. There were no significant respiratory or circulatory effects requiring intervention during sedation. CONCLUSIONS Continuous intravenous administration of remimazolam can achieve optimal sedation levels without significantly affecting respiratory or circulatory dynamics. The study also provided guidance on the appropriate dosage of remimazolam for achieving moderate sedation during dental procedures. Additionally, the study findings suggest that electroencephalogram monitoring can be a reliable indicator of the level of sedation during dental procedural sedation with remimazolam. TRIAL REGISTRATION The study was registered in the Japan Registry of Clinical Trials (No. jRCTs061220052) on 30/08/2022.
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Affiliation(s)
- Kana Oue
- Division of Oral and Maxillofacial Surgery and Oral Medicine, Department of Dental Anesthesiology, Hiroshima University Hospital, Kasumi 1-2-3, Minami-ku, Hiroshima, Japan.
| | - Aya Oda
- Division of Oral and Maxillofacial Surgery and Oral Medicine, Department of Dental Anesthesiology, Hiroshima University Hospital, Kasumi 1-2-3, Minami-ku, Hiroshima, Japan
| | - Yoshitaka Shimizu
- Department of Dental Anesthesiology, Graduate School of Biomedical and Health Sciences, Hiroshima University, Kasumi 1-2-3, Minami-ku, Hiroshima, Japan
| | - Tamayo Takahashi
- Division of Oral and Maxillofacial Surgery and Oral Medicine, Department of Dental Anesthesiology, Hiroshima University Hospital, Kasumi 1-2-3, Minami-ku, Hiroshima, Japan
| | - Hisanobu Kamio
- Division of Oral and Maxillofacial Surgery and Oral Medicine, Department of Dental Anesthesiology, Hiroshima University Hospital, Kasumi 1-2-3, Minami-ku, Hiroshima, Japan
| | - Utaka Sasaki
- Division of Oral and Maxillofacial Surgery and Oral Medicine, Department of Dental Anesthesiology, Hiroshima University Hospital, Kasumi 1-2-3, Minami-ku, Hiroshima, Japan
| | - Serika Imamura
- Division of Oral and Maxillofacial Surgery and Oral Medicine, Department of Dental Anesthesiology, Hiroshima University Hospital, Kasumi 1-2-3, Minami-ku, Hiroshima, Japan
| | - Eiji Imado
- Division of Oral and Maxillofacial Surgery and Oral Medicine, Department of Dental Anesthesiology, Hiroshima University Hospital, Kasumi 1-2-3, Minami-ku, Hiroshima, Japan
| | - Akari Mukai
- Department of Dental Anesthesiology, Graduate School of Biomedical and Health Sciences, Hiroshima University, Kasumi 1-2-3, Minami-ku, Hiroshima, Japan
| | - Mitsuru Doi
- Department of Dental Anesthesiology, Graduate School of Biomedical and Health Sciences, Hiroshima University, Kasumi 1-2-3, Minami-ku, Hiroshima, Japan
| | - Miyuki Sakuma
- Department of Oral and Maxillofacial Surgery, Graduate School of Biomedical and Health Sciences, Hiroshima University, Kasumi 1-2-3, Minami-ku, Hiroshima, Japan
| | - Shigehiro Ono
- Department of Oral and Maxillofacial Surgery, Graduate School of Biomedical and Health Sciences, Hiroshima University, Kasumi 1-2-3, Minami-ku, Hiroshima, Japan
| | - Tomonao Aikawa
- Department of Oral and Maxillofacial Surgery, Graduate School of Biomedical and Health Sciences, Hiroshima University, Kasumi 1-2-3, Minami-ku, Hiroshima, Japan
| | - Mitsuhiro Yoshida
- Division of Oral and Maxillofacial Surgery and Oral Medicine, Department of Dental Anesthesiology, Hiroshima University Hospital, Kasumi 1-2-3, Minami-ku, Hiroshima, Japan
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Wu X, Zeng L, Zhang T, Wu W, Tian Y, Dong S. The study of different dosages of remazolam combined with sufentanil and propofol on painless gastroscopy: A randomized controlled trial. Medicine (Baltimore) 2023; 102:e34731. [PMID: 37653789 PMCID: PMC10470722 DOI: 10.1097/md.0000000000034731] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/19/2023] [Revised: 07/03/2023] [Accepted: 07/05/2023] [Indexed: 09/02/2023] Open
Abstract
BACKGROUND Gastroscopy is one of the most commonly used diagnostic modalities for upper gastrointestinal disorders. Remazolam besylate, a new type of ultrashort-acting benzodiazepine drug, has been less studied in gastroscopy. In this study, we studied the efficacy and safety of remazolam combined with propofol for painless gastroscopy. METHODS This is a single-center, randomized controlled clinical trial. Hundred patients undergoing painless gastroscopy were included in this study and randomly divided into 2 groups (n = 50 per group): the remazolam 3 mg group (R3 group) and the remazolam 6 mg group (R6 group). Sufentanil, remazolam, and propofol are used to anesthetize the patients, and then, the effects of different dosages of remazolam on these patients are compared and analyzed. The patient's general condition, vital signs at different times, the dosage of propofol (mg) and additional times, complications, duration of gastroscopy (minute), awakening time (minute), residence time in the resuscitation room (minute), and adverse reactions were recorded. RESULTS R3 group systolic blood pressure and diastolic blood pressure are more stable (P < .05); The number of additional propofol in R6 group was less (P < .05). The incidence of hypotension was lower in R3 group, as well as the time of awakening and staying in the resuscitation room were shorter (P < .05). CONCLUSION Remazolam 3mg combined with sufentanil and propofol have less effect on hemodynamics in painless gastroscopy, and the patients have shorter awakening time.
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Affiliation(s)
- Xiaohong Wu
- The Second Affiliated Hospital of Chengdu Medical College, China National Nuclear Corporation 416 Hospital, Chengdu, China
- Chengdu Medical College, Chengdu, China
| | - Lin Zeng
- Chengdu Medical College, Chengdu, China
- Shifang People’s Hospital, Shifang, Sichuan Province, China
| | - Tianyao Zhang
- Chengdu Medical College, Chengdu, China
- Clinical Medical College and The First Affiliated Hospital of Chengdu Medical College, Chengdu, China
| | - Wei Wu
- The Second Affiliated Hospital of Chengdu Medical College, China National Nuclear Corporation 416 Hospital, Chengdu, China
| | - Ying Tian
- The Second Affiliated Hospital of Chengdu Medical College, China National Nuclear Corporation 416 Hospital, Chengdu, China
| | - Shuhua Dong
- Chengdu Medical College, Chengdu, China
- Clinical Medical College and The First Affiliated Hospital of Chengdu Medical College, Chengdu, China
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Wei A, Ma S, Dou Y, Wang X, Wu J, Zhou S, Deng Y, Liu X, Li D, Yang M. The safety and efficacy of remimazolam tosylate combined with propofol in upper gastrointestinal endoscopy: A multicenter, randomized clinical trial. PLoS One 2023; 18:e0282930. [PMID: 37535618 PMCID: PMC10399878 DOI: 10.1371/journal.pone.0282930] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2023] [Accepted: 07/09/2023] [Indexed: 08/05/2023] Open
Abstract
INTRODUCTION Hypotension is the most common adverse event under propofol-mediated sedation and is possible to cause varying degrees of damage to patients. Whereas remimazolam has a poorer sedative effect than propofol. AIM The aim of this study was to explore the advantages of the combination of remimazolam tosylate and propofol. METHODS 304 patients were divided into the remimazolam tosylate group (RT group), the propofol group (P group), and the remimazolam tosylate plus propofol group(R+T group). The primary outcome was the incidence of hypotension. Secondary outcomes included the results of sedation and recovery. The safety results mainly include the incidence of Hypotension, adverse respiratory events, postoperative nausea and vomiting, hiccup, cough, body movement and bradycardia. RESULTS The incidence of hypotension was 56.7% in the P group, 12.6% in the RT group, and 31.3% in the R+P group, three groups of pairwise comparisons showed statistical differences, with P< 0.001. The incidence of body movement was significantly higher in the RT group (26.1%) than in the P group (10.3%) and the R+P group (12.5%), P = 0.004. The endoscopist satisfaction was higher in the P (3.87±0.44) and R+P (3.95±0.22)groups than in the RT(3.53±0.84) group. The incidence of adverse events, in descending order, was P group, RT group, and R+P group (93.8%vs.61.3%vs.42.7%). CONCLUSION Co-administration had fewer adverse events than propofol monotherapy, also had a better sedative effect and higher endoscopist satisfaction than remimazolam monotherapy. TRIAL REGISTRATION Clinical trial registration number: NCT05429086.
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Affiliation(s)
- Ai Wei
- Department of Anesthesiology, Sichuan Provincial People's Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
- School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
| | - Shijin Ma
- Department of Anesthesiology, Sichuan Provincial People's Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
- School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
| | - Yuzhe Dou
- Department of Anesthesiology, Sichuan Provincial People's Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
- School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
| | - Xiaojun Wang
- Department of Anesthesiology, Yibin First People's Hospital, Yibin, China
| | - Jianxiong Wu
- Department of Anesthesiology, Chinese Traditional Medicine Hospital of Leshan, Leshan, China
| | - Shuzhi Zhou
- Department of Anesthesiology, Ya'an People's Hospital, Ya'an, China
| | - Yanfang Deng
- Department of Anesthesiology, the first People's Hospital of Liangshan Yi Autonomous Prefecture, Liangshan, China
| | - Xinquan Liu
- Department of Anesthesiology, Ziyang People's Hospital, Ziyang, China
| | - Dongming Li
- Department of Anesthesiology, Bazhong Central Hospital, Bazhong, China
| | - Mengchang Yang
- Department of Anesthesiology, Sichuan Provincial People's Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
- School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
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Karki Y, Sarna R, Singh N, Chauhan R, Meena SC, Luthra A, Thappa P. Prevention of pain on injection of propofol using ice gel pack versus pre-treatment with lignocaine: a randomized controlled trial. J Anesth 2023:10.1007/s00540-023-03216-1. [PMID: 37314584 DOI: 10.1007/s00540-023-03216-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2023] [Accepted: 06/05/2023] [Indexed: 06/15/2023]
Abstract
PURPOSE Regardless of the positive attributes of propofol, it is frequently associated with pain on injection. We compared the efficacy of topical cold thermotherapy using an ice gel pack with intravenous lignocaine pre-treatment for reducing pain on propofol injection. METHODS This single-blinded randomized controlled trial was conducted in 200 American Society of Anesthesiologists physical status I, II, and III patients scheduled for elective/emergency surgery under general anesthesia. The patients were randomized into two groups: the Thermotherapy group- receiving an ice gel pack proximal to the intravenous cannula for 1 min, or the Lignocaine group-receiving 0.5 mg/kg of lignocaine administered intravenously, with occlusion proximal to the site of the intravenous cannula for 30 s. The primary objective was to compare the overall incidence of pain after propofol injection. The secondary objectives included the incidence of discomfort on the application of an ice gel pack, comparison of dose of propofol needed for induction, and hemodynamic changes at induction, between the two groups. RESULTS Fourteen patients in the lignocaine group and 15 patients in the thermotherapy group reported pain. The incidence of pain and the distribution of pain scores were comparable among groups (p = 1.00). Patients of the lignocaine group required significantly less amount of propofol for induction as compared to the thermotherapy group (p = 0.001). CONCLUSION Topical thermotherapy using an ice gel pack was not found superior to lignocaine pre-treatment in alleviating pain on injection of propofol injection. However, topical cold therapy using an ice pack remains a non-pharmacological technique that is easily available, reproducible, and cost-effective. Further studies are required to prove its equivalence to lignocaine pre-treatment. TRIAL REGISTRATION CTRI (CTRI/2021/04/032950).
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Affiliation(s)
| | - Rashi Sarna
- Post Graduate Institute of Medical Education and Research, Chandigarh, 160012, India
| | - Nidhi Singh
- Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, 226014, India
| | - Rajeev Chauhan
- Post Graduate Institute of Medical Education and Research, Chandigarh, 160012, India.
| | - Shayam Charan Meena
- Post Graduate Institute of Medical Education and Research, Chandigarh, 160012, India
| | - Ankur Luthra
- Post Graduate Institute of Medical Education and Research, Chandigarh, 160012, India
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Chang Y, Huang YT, Chi KY, Huang YT. Remimazolam versus propofol for procedural sedation: a meta-analysis of randomized controlled trials. PeerJ 2023; 11:e15495. [PMID: 37334113 PMCID: PMC10269568 DOI: 10.7717/peerj.15495] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2023] [Accepted: 05/11/2023] [Indexed: 06/20/2023] Open
Abstract
Background To improve patient tolerability and satisfaction as well as minimize complications, procedural sedation has been widely used. Propofol is the most widely used agent for induction of anesthesia and sedation by anesthesiologists. With a different mechanism compared to propofol, remimazolam is a new short-acting GABA-A receptor agonist. It is an ester-based benzodiazepine. This meta-analysis aims to clarify the efficacy and safety of remimazolam versus propofol for procedure sedation. Methods Electronic databases were searched for randomized controlled trials (RCTs) comparing efficacy or safety of remimazolam versus propofol. Meta-analysis were conducted using RStudio with "metafor" package with random-effects model. Results A total of twelve RCTs were included in the meta-analysis. The pooled results demonstrated that patients with remimazolam for procedural sedation had lower risk of bradycardia (OR 0.28, 95% CI [0.14-0.57]), hypotension (OR 0.26, 95% CI [0.22-0.32]), and respiratory depression (OR 0.22, 95% CI [0.14-0.36]). There was no difference in the risk of developing postoperative nausea and vomiting (PONV) (OR 0.65, 95% CI [0.15-2.79]) and dizziness (OR 0.93, 95% CI [0.53-1.61]) between the remimazolam and propofol groups. Using remimazolam for procedural sedation is significantly associated with less injection pain compared to propofol (OR 0.06, 95% CI [0.03-0.13]). Regarding the sedation efficacy, there was no difference in sedation success rate or time to loss of consciousness, recover and discharge between the remimazolam and the propofol groups. Conclusions Based on our meta-analysis, patients receiving procedural sedation with remimazolam had lower risk of bradycardia, hypotension, respiratory depression and injection pain compared with propofol. On the other hand, there was no difference in sedation success rate, risk of PONV, dizziness, time to LOC, recovery and discharge between these two sedatives. PROSPERO registration number CRD42022362950.
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Affiliation(s)
- Yu Chang
- Department of Surgery, National Cheng Kung University Hospital, National Cheng Kung University, Tainan, Taiwan
| | - Yun-Ting Huang
- Department of Anesthesiology, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Kuan-Yu Chi
- Department of Internal Medicine, Taipei Medical University Hospital, Taipei, Taiwan
- Department of Education, Center for Evidence-Based Medicine, Taipei Medical University Hospital, Taipei, Taiwan
| | - Yen-Ta Huang
- Department of Surgery, National Cheng Kung University Hospital, National Cheng Kung University, Tainan, Taiwan
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Li HX, Li BL, Wang TH, Xu X, Wang F, Zhang X, Zhang X, Li HY, Mu B, Sun YL, Zheng H, Yan T. Comparison of the effects of remimazolam tosylate and propofol on postoperative delirium among older adults undergoing major non-cardiac surgery: protocol for a randomised controlled trial. BMJ Open 2023; 13:e071912. [PMID: 37247962 DOI: 10.1136/bmjopen-2023-071912] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 05/31/2023] Open
Abstract
INTRODUCTION Postoperative delirium (POD) is a common cognitive disturbance in elderly individuals that is characterised by acute and fluctuating impairments in attention and awareness. Remimazolam tosylate is a novel, ultrashort-acting benzodiazepine, and there is limited evidence of its correlation with the incidence of early POD. The aim of this study is to evaluate the incidence of POD after anaesthesia induction and maintenance with remimazolam tosylate or propofol in elderly patients undergoing major non-cardiac surgery. METHODS AND ANALYSIS This is a single-centre, randomised controlled trial. 636 elderly patients undergoing major non-cardiac surgery will be enrolled and randomised at a 1:1 ratio to receive total intravenous anaesthesia with either remimazolam tosylate or propofol. The primary outcome is the incidence of POD within 5 days after surgery. Delirium will be assessed twice daily by the 3 min Diagnostic Interview for the Confusion Assessment Method or the Confusion Assessment Method for the intensive care unit (ICU) for ICU patients. Secondary outcomes are the onset and duration of delirium, cognitive function at discharge and within 1-year postoperatively, postoperative analgesia within 5 days, chronic pain at 3 months, quality of recovery and postoperative inflammatory biomarker levels. ETHICS AND DISSEMINATION The study was approved by the institutional ethics committee of the National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences (approval No. 22/520-3722). Written informed consent will be obtained from each patient before enrolment. The results of this trial will be presented at scientific conferences and in peer-reviewed scientific journals. TRIAL REGISTRATION NUMBER ChiCTR2300067368.
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Affiliation(s)
- Hui-Xian Li
- Department of Anesthesiology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Bao-Li Li
- Department of Anesthesiology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Tai-Hang Wang
- Department of Anesthesiology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Xin Xu
- Department of Anesthesiology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Fei Wang
- Office of Cancer Screening, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Xiao Zhang
- Department of Pathergasiology, Peking University Sixth Hospital, Peking University Institute of Mental Health, NHC Key Laboratory of Mental Health (Peking University), National Clinical Research Center for Mental Disorders (Peking University Sixth Hospital), Beijing, China
| | - Xin Zhang
- Department of Anesthesiology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Hong-Yi Li
- Department of Anesthesiology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Bing Mu
- Department of Anesthesiology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Yu-Lin Sun
- State Key Laboratory of Molecular Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Hui Zheng
- Department of Anesthesiology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Tao Yan
- Department of Anesthesiology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
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Li X, Tian M, Deng Y, She T, Li K. Advantages of Sedation With Remimazolam Compared to Midazolam for the Removal of Impacted Tooth in Patients With Dental Anxiety. J Oral Maxillofac Surg 2023; 81:536-545. [PMID: 36852757 DOI: 10.1016/j.joms.2023.02.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2022] [Revised: 02/03/2023] [Accepted: 02/04/2023] [Indexed: 03/01/2023]
Abstract
PURPOSE Although midazolam is commonly used to sedate patients with dental anxiety, it has shortcomings that reduce the satisfaction of patients and doctors. The aim of this study was therefore to explore the advantages of remimazolam as a sedative. METHODS The study design was a prospective randomized controlled trial. Patients with dental anxiety and who were to undergo impacted tooth removal were randomized into remimazolam and midazolam groups. They were sedated with remimazolam or midazolam prior to receiving nerve blocker. The predictor variable was the type of sedative, while the primary outcome variables were the onset time, awakening time, recovery time, and postoperative side effects. Secondary outcome variables were the Modified Dental Anxiety Scale score before and after surgery, patient satisfaction and comfort levels scores, and doctor satisfaction level scores. Other variables included the patient demographics and the operation time. Data were analyzed using the Student's t-test, Mann-Whitney test, χ2 test, and two-way repeated measurement ANOVA test (SPSS Version 25.0). RESULTS A total of 83 patients were included in this study, with 42 randomized to the remimazolam group and 41 to the midazolam group. There were no significant differences between the two groups in terms of demographic features and operation time. Patients in the remimazolam group had significantly shorter onset time, awakening time, and recovery time compared to those in the midazolam group (each P < .001). Postoperative side effects were more frequent in the midazolam group (P < .001). Following surgery, the Modified Dental Anxiety Scale scores in both groups were significantly lower than prior to surgery (P < .001). Satisfaction levels scores for the patients and doctor were higher in the remimazolam group than in the midazolam group (P < .001). CONCLUSIONS The use of remimazolam results in faster onset, more rapid recovery, and lower incidence of postoperative side effects compared to midazolam, leading to improved satisfaction for patients and doctors. Remimazolam therefore appears to have several advantages over midazolam for the sedation of patients with dental anxiety associated with the removal of impacted teeth.
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Affiliation(s)
- Xue Li
- Attending Physician, Department of Anesthesiology, Hospital of Stomatology, Zunyi Medical University, Zunyi, Guizhou, People's Republic of China
| | - Meijun Tian
- Postgraduate Student, Zunyi Medical University, Zunyi, Guizhou, People's Republic of China
| | - Yilan Deng
- Postgraduate Student, Zunyi Medical University, Zunyi, Guizhou, People's Republic of China
| | - Tingzhi She
- Professor, Department of Anesthesiology, Hospital of Stomatology, Zunyi Medical University, Zunyi, Guizhou, People's Republic of China
| | - Ke Li
- Chief Physician, Professor, Department of Anesthesiology, Hospital of Stomatology, Zunyi Medical University, Zunyi, Guizhou, People's Republic of China.
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Fang YB, Wang CY, Gao YQ, Cai YH, Chen J, Zhang XL, Dong LQ, Shang-Guan WN, Liu HC. The safety and efficacy of remimazolam tosylate for induction and maintenance of general anesthesia in pediatric patients undergoing elective surgery: Study protocol for a multicenter, randomized, single-blind, positive-controlled clinical trial. Front Pharmacol 2023; 14:1090608. [PMID: 36843931 PMCID: PMC9950936 DOI: 10.3389/fphar.2023.1090608] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2022] [Accepted: 01/26/2023] [Indexed: 02/12/2023] Open
Abstract
Introduction: Remimazolam is an ultra-short-acting benzodiazepine sedative agent commonly used in general anesthesia, procedural sedation, and intensive care unit (ICU) sedation. This study aimed to explore the efficacy and safety of remimazolam versus propofol for the induction and maintenance of general anesthesia in preschool-age children undergoing elective surgery. Methods and analysis: In this multicenter, randomized, single-blind, positive-controlled non-inferior clinical trial, one hundred ninety-two children aged 3-6 years will be randomly allocated as a 3:1 ratio into two groups: Group R with an intravenous dose of remimazolam 0.3 mg/kg for the induction of anesthesia followed by a constant infusion rate of remimazolam 1-3 mg/kg/h to maintain anesthesia, and Group P with an intravenous dose of propofol 2.5 mg/kg for the induction of anesthesia followed by a constant infusion rate of propofol 4-12 mg/kg/h to maintain anesthesia. The primary outcome will be the rate of the successful induction and maintenance of anesthesia. The secondary outcomes will include the time to LoC, the Bispectral Index (BIS) value, awakening time, extubation time, post-anesthesia care unit (PACU) discharge time, usage of additional sedative drugs during the induction period, usage of remedial drugs in PACU, emergence delirium, pain in PACU, behavior scores at day 3 after surgery, parental and anesthesiologists' satisfaction, and adverse events. Ethics and dissemination: This study has been approved by the ethics review boards at all participating hospitals. The Ethics Committee of the Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University (Reference No. LCKY 2020-380, November 13, 2020) is the central ethics committee.
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Affiliation(s)
| | | | - Yu-Qing Gao
- Department of Anesthesiology, Perioperative and Pain Medicine, The Second Affiliated Hospital and Yuying Children’s Hospital of Wenzhou Medical University, Key Laboratory of Anesthesiology of Zhejiang Province, The Second Affiliated Hospital and Yuying Children’s Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Yu-Hang Cai
- Department of Anesthesiology, Perioperative and Pain Medicine, The Second Affiliated Hospital and Yuying Children’s Hospital of Wenzhou Medical University, Key Laboratory of Anesthesiology of Zhejiang Province, The Second Affiliated Hospital and Yuying Children’s Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Jia Chen
- Department of Anesthesiology, Perioperative and Pain Medicine, The Second Affiliated Hospital and Yuying Children’s Hospital of Wenzhou Medical University, Key Laboratory of Anesthesiology of Zhejiang Province, The Second Affiliated Hospital and Yuying Children’s Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Xu-Lin Zhang
- Department of Anesthesiology, Perioperative and Pain Medicine, The Second Affiliated Hospital and Yuying Children’s Hospital of Wenzhou Medical University, Key Laboratory of Anesthesiology of Zhejiang Province, The Second Affiliated Hospital and Yuying Children’s Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Le-Qi Dong
- Department of Anesthesiology, Perioperative and Pain Medicine, The Second Affiliated Hospital and Yuying Children’s Hospital of Wenzhou Medical University, Key Laboratory of Anesthesiology of Zhejiang Province, The Second Affiliated Hospital and Yuying Children’s Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Wang-Ning Shang-Guan
- Department of Anesthesiology, Perioperative and Pain Medicine, The Second Affiliated Hospital and Yuying Children’s Hospital of Wenzhou Medical University, Key Laboratory of Anesthesiology of Zhejiang Province, The Second Affiliated Hospital and Yuying Children’s Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
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22
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Advances in Analgosedation and Periprocedural Care for Gastrointestinal Endoscopy. Life (Basel) 2023; 13:life13020473. [PMID: 36836830 PMCID: PMC9962362 DOI: 10.3390/life13020473] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2022] [Revised: 01/28/2023] [Accepted: 02/06/2023] [Indexed: 02/10/2023] Open
Abstract
The number and complexity of endoscopic gastrointestinal diagnostic and therapeutic procedures is globally increasing. Procedural analgosedation during gastrointestinal endoscopic procedures has become the gold standard of gastrointestinal endoscopies. Patient satisfaction and safety are important for the quality of the technique. Currently there are no uniform sedation guidelines and protocols for specific gastrointestinal endoscopic procedures, and there are several challenges surrounding the choice of an appropriate analgosedation technique. These include categories of patients, choice of drug, appropriate monitoring, and medical staff providing the service. The ideal analgosedation technique should enable the satisfaction of the patient, their maximum safety and, at the same time, cost-effectiveness. Although propofol is the gold standard and the most used general anesthetic for endoscopies, its use is not without risks such as pain at the injection site, respiratory depression, and hypotension. New studies are looking for alternatives to propofol, and drugs like remimazolam and ciprofol are in the focus of researchers' interest. New monitoring techniques are also associated with them. The optimal technique of analgosedation should provide good analgesia and sedation, fast recovery, comfort for the endoscopist, patients' safety, and will have financial benefits. The future will show whether these new drugs have succeeded in these goals.
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Deep breathing alleviates propofol-induced pain: a prospective, randomized, single-blind study. J Anesth 2023; 37:97-103. [PMID: 36355202 DOI: 10.1007/s00540-022-03136-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2022] [Accepted: 11/03/2022] [Indexed: 11/12/2022]
Abstract
PURPOSE Propofol is commonly used to induce general anesthesia; however, the pain caused during propofol injection is a disadvantage. This study aimed to assess whether deep breathing attenuates propofol injection pain. METHODS This prospective, single-blind, randomized controlled study included 200 patients who were scheduled to undergo elective surgery under general anesthesia and randomly and equally divided them into group D and group C. The observers were not blinded to the pain-relieving modality, but each patient was blinded. Group D patients were requested to repeatedly take deep breaths throughout general anesthesia induction with propofol. Group C patients were requested to breathe in the usual manner. The intensity of propofol injection pain was evaluated using the visual analog scale (VAS). Furthermore, we recorded the patients' pain expressions, including grimace or hand-withdrawal, and the recalled pain measured using a VAS in the post-anesthetic care units (PACU). RESULTS Compared with patients in group C, those in group D showed significantly reduced VAS scores for propofol injection pain (20 [interquartile range (IQR): 0-48] vs. 37 [IQR 9-65], P = 0.017) and recalled pain in the PACU (16 [IQR 0-32] vs. 26 [IQR 0.5-51], P = 0.031). Further, the grimace incidence was significantly lower in group D (18%) than in group C (45%) (P < 0.001). There was no significant difference in the incidence of pain at induction, recalled pain, or hand-withdrawal. CONCLUSIONS Deep breathing could be an easy, safe, and inexpensive method for reducing pain during propofol injection.
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Relationship between ANI and qNOX and between MAC and qCON during outpatient laparoscopic cholecystectomy using remifentanil and desflurane without muscle relaxants: a prospective observational preliminary study. J Clin Monit Comput 2023; 37:83-91. [PMID: 35445895 DOI: 10.1007/s10877-022-00861-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2021] [Accepted: 03/31/2022] [Indexed: 01/24/2023]
Abstract
This study was designed to investigate qCON and qNOX variations during outpatient laparoscopic cholecystectomy using remifentanil and desflurane without muscle relaxants and compare these indices with ANI and MAC. Adult patients undergoing outpatient laparoscopic cholecystectomy were included in this prospective observational study. Maintenance of anesthesia was performed using remifentanil targeted to ANI 50-80 and desflurane targeted to MAC 0.8-1.2 without muscle relaxants. The ANI, qCON and qNOX and desflurane MAC values were collected at different time-points and analyzed using repeated measures ANOVA. The relationship between ANI and qNOX and between qCON and MAC were analyzed by linear regression. The ANI was comprised between 50 and 80 during maintenance of anesthesia. Higher values of qNOX and qCON were observed at induction and extubation than during all other time-points where they were comprised between 40 and 60. A poor but significant negative linear relationship (r2 = 0.07, p < 0.001) was observed between ANI and qNOX. There also was a negative linear relationship between qCON and MAC (r2 = 0.48, p < 0.001) and between qNOX and remifentanil infusion rate (r2 = 0.13, p < 0.001). The linear mixed-effect regression correlation (r2) was 0.65 for ANI-qNOX and 0.96 for qCON-MAC. The qCON and qNOX monitoring seems informative during general anesthesia using desflurane and remifentanil without muscle relaxants in patients undergoing ambulatory laparoscopic cholecystectomy. While qCON correlated with MAC, the correlation of overall qCON and ANI was poor but significant. Additionally, the qNOX weakly correlated with the remifentanil infusion rate. This observational study suggests that the proposed ranges of 40-60 for both indexes may correspond to adequate levels of hypnosis and analgesia during general anesthesia, although this should be confirmed by further research.
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Ciprofol: A Novel Alternative to Propofol in Clinical Intravenous Anesthesia? BIOMED RESEARCH INTERNATIONAL 2023; 2023:7443226. [PMID: 36714027 PMCID: PMC9879693 DOI: 10.1155/2023/7443226] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/30/2022] [Revised: 01/03/2023] [Accepted: 01/05/2023] [Indexed: 01/21/2023]
Abstract
Ciprofol is a novel compound that was independently developed in China. According to the Chinese product instructions approved by the China National Medical Products Administration and the information of official website, indications for ciprofol include sedation and anesthesia during the surgical/procedure of nontracheal intubation, induction and maintenance of general anesthesia, and sedation during intensive care. Ciprofol is a short-acting intravenous sedative based on the structural modification of propofol. Ciprofol has high efficacy, good selectivity, and fewer adverse reactions, indicating good clinical application potential. A series of clinical studies have been conducted to evaluate the sedative effect of ciprofol in various procedures and settings, including gastroscopy and colonoscopy, fiber-optic bronchoscopy, general anesthesia in elective surgeries, and mechanical ventilation in intensive care units. This review summarizes the chemical structure, pharmacodynamics, and pharmacokinetic properties of ciprofol. We also assessed the efficacy and safety of ciprofol by synthesizing the relevant clinical trial data.
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Lee D, Jin J, Kim JH, Oh J, Jeon Y. Transcutaneous electrical nerve stimulation for pain during propofol injection: a randomized clinical trial. J Dent Anesth Pain Med 2022; 22:437-442. [PMID: 36601133 PMCID: PMC9763824 DOI: 10.17245/jdapm.2022.22.6.437] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2022] [Revised: 10/19/2022] [Accepted: 10/27/2022] [Indexed: 12/02/2022] Open
Abstract
Background Propofol is a short-acting intravenous sedative widely used for procedural sedation and general anesthesia. However, pain during propofol injection is a distressing adverse effect. This study was designed to investigate whether transcutaneous electrical nerve stimulation (TENS) could reduce pain during propofol injection compared to sham TENS. Methods In a randomized controlled trial, 80 patients were allocated to two groups: the active TENS group received electrical stimulation via two electrodes on the venous cannulation site, whereas the sham TENS group received no stimulus. After 20 min following TENS, propofol 0.5 mg/kg pain was injected intravenously and pain was evaluated using a four-point score (0 = none, 1 = mild, 2 = moderate, 3 = severe). Adverse effects associated with TENS were also recorded. Results The overall incidence of pain during propofol injection was 47.5% in the TENS group and 87.5% in the sham group (P < 0.001). The incidence of moderate pain was significantly lower in the TENS group (7.5%) than in the sham TENS group (42.5%) (P < 0.001). There were no complications associated with TENS. Conclusion Pre-treatment with TENS significantly reduced the incidence and intensity of pain during propofol injection.
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Affiliation(s)
- Dongwoo Lee
- Department of Oral and Maxillary surgery, School of Dentistry, Kyungpook National University, Daegu, Republic of Korea
| | - Juhwa Jin
- Department of Anesthesiology and Pain Medicine, School of Medicine, Kyungpook National University, Daegu, Republic of Korea
| | - Ji Hyo Kim
- Department of Anesthesiology and Pain Medicine, School of Medicine, Kyungpook National University, Daegu, Republic of Korea
| | - Jinyoung Oh
- Department of Anesthesiology and Pain Medicine, School of Medicine, Kyungpook National University, Daegu, Republic of Korea
| | - Younghoon Jeon
- Department of Oral and Maxillary surgery, School of Dentistry, Kyungpook National University, Daegu, Republic of Korea
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Tan D, Gu J, Li J, Yu W, Liu D, Zhao L, Zhu G, Yang X, Tian J, Tian Q, Zhu Z. The effective doses of remimazolam besylate in the procedural sedation of endoscopic retrograde cholangiopancreatography. IBRAIN 2022; 9:290-297. [PMID: 37786755 PMCID: PMC10527792 DOI: 10.1002/ibra.12072] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/20/2022] [Revised: 10/10/2022] [Accepted: 10/17/2022] [Indexed: 10/04/2023]
Abstract
This study aimed to determine the values of the half-effective dose (ED50) and 95% effective dose (ED95) of remimazolam besylate used in the procedural sedation of endoscopic retrograde cholangiopancreatography (ERCP). Sixty patients who fulfilled the inclusion and exclusion criteria of this study were selected. Sufentanil was administered intravenously and remimazolam besylate was administered 2 min later. ERCP treatment was feasible when the modified alertness/sedation (MOAA/S) score was ≤2. If choking or movement occurred during duodenoscope placement, it was considered as a positive reaction. The dose was increased in the next patient; otherwise, it was considered as a negative reaction, and the dose was reduced in the next patient. The ED50 and ED95 values and 95% confidence interval (CI) of remimazolam besylate were calculated by Probit regression analysis. All 60 patients completed the trial. The ED50 and ED95 values of remimazolam besylate were 0.196 and 0.239 mg/kg, respectively, for the procedural sedation of ERCP. The time of MOAA/S score ≤ 2 was (82.58 ± 21.70) s, and the mean time of awakening was (9.03 ± 5.64) min. Transient hypotension was observed in two patients without medical intervention. The ED50 and ED95 values of remimazolam besylate used in the procedural sedation of ERCP were 0.196 and 0.239 mg/kg, and the dose of the medications has definite efficacy and good safety.
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Affiliation(s)
- Dan‐Dan Tan
- Department of AnesthesiologyAffiliated Hospital of Zunyi Medical UniversityZunyiGuizhouChina
| | - Jin Gu
- Department of HepatologyAffiliated Hospital of Zunyi Medical UniversityZunyiGuizhouChina
| | - Juan Li
- Department of AnesthesiologyAffiliated Hospital of Zunyi Medical UniversityZunyiGuizhouChina
| | - Wan‐Qiu Yu
- Department of AnesthesiologyAffiliated Hospital of Zunyi Medical UniversityZunyiGuizhouChina
| | - De‐Xing Liu
- Department of AnesthesiologyAffiliated Hospital of Zunyi Medical UniversityZunyiGuizhouChina
| | - Li‐Jin Zhao
- Department of HepatologyAffiliated Hospital of Zunyi Medical UniversityZunyiGuizhouChina
| | - Guo‐Hua Zhu
- Yichang Humanwell Pharmaceutical Co., LtdYichangHubeiChina
| | - Xin‐Xin Yang
- Department of Anesthesiology, Union Hospital, Tongji Medical CollegeHuazhong University of Science and TechnologyWuhanHubeiChina
| | - Jin Tian
- Heidelberg UniversityHeidelbergGermany
| | - Qi Tian
- Memorial Herman HospitalHoustonTexasUSA
| | - Zhao‐Qiong Zhu
- Department of AnesthesiologyAffiliated Hospital of Zunyi Medical UniversityZunyiGuizhouChina
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Xu C, Wei X, Zhang C, Huang X, Lan H, Xu Y, Wu X, Li F, Guan X. Esketamine prevents propofol-induced injection pain: Randomized controlled trial. Front Pharmacol 2022; 13:991559. [PMID: 36204223 PMCID: PMC9530822 DOI: 10.3389/fphar.2022.991559] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2022] [Accepted: 09/05/2022] [Indexed: 11/13/2022] Open
Abstract
Background: Propofol is widely used during anesthesia. However, propofol-induced injection pain (PIP) is considered an unpleasant perioperative outcome. This study aimed to investigate the efficacy of a mixture of esketamine and propofol in preventing propofol injection pain in patients undergoing general anesthesia.Methods: This was a prospective, double-blind, multicenter, and randomized controlled trial. We included 252 adult patients with the American Society of Anesthesiologists physical status I to II who underwent surgery under general anesthesia. Patients were randomly allocated in a 1:1:1:1 ratio to four groups (n = 63 per group). Group NS received a mixture of 1% propofol (20 ml) and 0.9% normal saline (1 ml), group ESK-4 received a mixture of 1% propofol (20 ml) and esketamine 4 mg (diluted with 0.9% normal saline, 1 ml), group ESK-12 received a mixture of 1% propofol (20 ml) and esketamine 12 mg (diluted with 0.9% normal saline, 1 ml), and group ESK-20 received a mixture of 1% propofol (20 ml) and esketamine 20 mg (diluted with 0.9% normal saline, 1 ml) as sedative drugs during anesthesia. The primary outcome was the incidence and distribution of different degrees of PIP. The secondary outcomes were vital signs, characteristics of surgery and anesthesia, and adverse events.Results: The incidence of PIP in group ESK-20 (33.3%) was significantly lower than that in groups NS, ESK-4, and ESK-12 (63.3%, 62.2%, and 49.1%, respectively; p < 0.01). The incidence of moderate PIP in group NS (33.3%) and group ESK-4 (22.6%) was higher than that in groups ESK-12 (7.5%) and ESK-20 (6.7%). The incidence of severe PIP in group NS (6.7%) and group ESK-4 (9.4%) was higher than that in groups ESK-12 (1.9%) and ESK-20 (0%). There were no differences in the vital signs, characteristics of surgery and anesthesia, or adverse events between the groups.Conclusion: Our results indicated that the esketamine–propofol admixture reduced the incidence of PIP in patients undergoing general anesthesia without severe side effects.
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Affiliation(s)
- Chaozhi Xu
- Department of Anesthesiology, The First Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Xiaotang Wei
- Department of Anesthesiology, The People`s Hospital of Baise, Base, China
| | - Cuiwen Zhang
- Department of Anesthesiology, The First Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Xiaofang Huang
- Department of Anesthesiology, The First Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Hongmeng Lan
- Department of Anesthesiology, The First Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Yanping Xu
- Department of Anesthesiology, The First Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Xiaoyan Wu
- Department of Anesthesiology, The Second People`s Hospital of Qinzhou, Qinzhou, China
| | - Fuping Li
- Department of Anesthesiology, The Second People`s Hospital of Qinzhou, Qinzhou, China
| | - Xuehai Guan
- Department of Anesthesiology, The First Affiliated Hospital of Guangxi Medical University, Nanning, China
- *Correspondence: Xuehai Guan,
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Chen BZ, Yin XY, Jiang LH, Liu JH, Shi YY, Yuan BY. The efficacy and safety of ciprofol use for the induction of general anesthesia in patients undergoing gynecological surgery: a prospective randomized controlled study. BMC Anesthesiol 2022; 22:245. [PMID: 35922771 PMCID: PMC9347095 DOI: 10.1186/s12871-022-01782-7] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2022] [Accepted: 07/21/2022] [Indexed: 11/18/2022] Open
Abstract
Background Ciprofol is a recently developed, short-acting γ-aminobutyric acid receptor agonist sedative that is more potent than propofol, but there have been few clinical studies of this agent to date. Here, we sought to examine the safety and efficacy of ciprofol use for the induction of general anesthesia in individuals undergoing gynecological surgery. Methods Women between the ages of 18 and 60 years (ASA physical status 1 or 2) who were scheduled to undergo elective gynecological surgery under general anesthesia were randomly assigned to two equally sized groups in which anesthesia induction was performed using either ciprofol or propofol. General anesthesia induction success rates were the primary outcome for this study, while secondary outcomes included changes in BIS during the 10 min following the first administration of the study drug, the duration of successful induction, and adverse event incidence. Results A total of 120 women were included in the study. A 100% rate of successful induction was achieved in both the ciprofol and propofol groups, with no significant differences between these groups with respect to the duration of successful induction (34.8 ± 15.5 s vs 35.4 ± 9.5 s, P = 0.832), the time to the disappearance of the eyelash reflex (33.7 ± 10.6 s vs 34.0 ± 6.5 s, P = 0.860), or tracheal intubation (58.2 ± 31.1 s vs 53.9 ± 25.4 s, P = 0.448). Adverse event rates, including intubation responses, were significantly lower in the ciprofol group as compared to the propofol group(20% vs 48.33%, P = 0.0019). Ciprofol was associated with reduced injection pain relative to propofol (16.7% vs 58.3%, P < 0.001). Conclusions Ciprofol exhibits comparable efficacy to that of propofol when used for the induction of general anesthesia in individuals undergoing gynecological surgery and is associated with fewer adverse events. Supplementary Information The online version contains supplementary material available at 10.1186/s12871-022-01782-7.
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Affiliation(s)
- Ben-Zhen Chen
- Department of Anesthesiology, Sichuan Provincial Women's and Children's Hospital, the Affiliated Women's and Children's Hospital of Chengdu Medical College, No. 290, Sha Yan Cun Xi Er Jie, Chengdu, 610045, Sichuan, China.
| | - Xin-Yu Yin
- Department of Anesthesiology, Sichuan Provincial Women's and Children's Hospital, the Affiliated Women's and Children's Hospital of Chengdu Medical College, No. 290, Sha Yan Cun Xi Er Jie, Chengdu, 610045, Sichuan, China
| | - Li-Hua Jiang
- Department of Operating Room Nursing, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, 610072, China
| | - Jin-Hui Liu
- Department of Anesthesiology, Sichuan Provincial Women's and Children's Hospital, the Affiliated Women's and Children's Hospital of Chengdu Medical College, No. 290, Sha Yan Cun Xi Er Jie, Chengdu, 610045, Sichuan, China
| | - Yan-Yan Shi
- Department of Laboratory Medicine, Sichuan Provincial Women's and Children's Hospital, the Affiliated Women's and Children's Hospital of Chengdu Medical College, Chengdu, 610045, Sichuan, China
| | - Bi-Ying Yuan
- Department of Anesthesiology, Sichuan Provincial Women's and Children's Hospital, the Affiliated Women's and Children's Hospital of Chengdu Medical College, No. 290, Sha Yan Cun Xi Er Jie, Chengdu, 610045, Sichuan, China.
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Pretreatment with Low-Dose Esketamine for Reduction of Propofol Injection Pain: A Randomized Controlled Trial. Pain Res Manag 2022; 2022:4289905. [PMID: 35958679 PMCID: PMC9363235 DOI: 10.1155/2022/4289905] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2022] [Accepted: 07/16/2022] [Indexed: 11/22/2022]
Abstract
Background Propofol-induced injection pain is a common adverse effect during the induction of general anesthesia. The purpose of this study is to investigate the effect of low-dose esketamine in preventing propofol injection pain. Methods In this double-blind, randomized, controlled trial, patients scheduled for elective ear surgery under general anesthesia received either normal saline (NS), or 40 mg lidocaine, or 0.15 mg/kg esketamine 30 seconds before manual injection of propofol. The primary outcome of this study was the incidence of propofol injection pain. The secondary outcomes included injection pain score, vital signs, total dosage of vasoactive drugs used within 5 minutes after induction, and adverse events related to drugs. Results A total of 105 patients were included. Compared with the NS group (67%), pretreatment with esketamine and lidocaine significantly reduced the incidence of injection pain to 29% and 33%, respectively (both P < 0.05); however, no significant difference was found between the esketamine and lidocaine groups. The median of injection pain score was significantly lower in the esketamine and lidocaine groups (both median (interquartile range) = 0 (0–1)) than that in the NS group (1 (0–2); P < 0.05). In addition, compared with the NS and lidocaine groups, preinjection esketamine provided more stable hemodynamic parameters within 5 minutes after induction (P < 0.05). No statistical difference was found in adverse events among the three groups. Conclusions Pretreatment with a low-dose esketamine can not only reduce the incidence of propofol injection pain but also provide a more stable circulation in patients after anesthesia induction. This convenient, well-tolerated, and economic treatment appears as an option to be routinely applied in clinic practice. Clinical Trial Registration. This trial is registered with https://www.chictr.org.cn/showproj.aspx?proj=136690 (the number for the trial registration isChiCTR2100052742).
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Khorsand S, Karamchandani K, Joshi GP. Sedation-analgesia techniques for nonoperating room anesthesia: an update. Curr Opin Anaesthesiol 2022; 35:450-456. [PMID: 35283459 DOI: 10.1097/aco.0000000000001123] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
PURPOSE OF REVIEW There has been a substantial increase in nonoperating room anesthesia procedures over the years along with an increase in the complexity and severity of cases. These procedures pose unique challenges for anesthesia providers requiring meticulous planning and attention to detail. Advancements in the delivery of sedation and analgesia in this setting will help anesthesia providers navigate these challenges and improve patient safety and outcomes. RECENT FINDINGS There has been a renewed interest in the development of newer sedative and analgesic drugs and delivery systems that can safely provide anesthesia care in challenging situations and circumstances. SUMMARY Delivery of anesthesia care in nonoperating room locations is associated with significant challenges. The advent of sedative and analgesic drugs that can be safely used in situations where monitoring capabilities are limited in conjunction with delivery systems, that can incorporate unique patient characteristics and ensure the safe delivery of these drugs, has the potential to improve patient safety and outcomes. Further research is needed in these areas to develop newer drugs and delivery systems.
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Affiliation(s)
- Sarah Khorsand
- Department of Anesthesiology and Pain Management, University of Texas Southwestern Medical Center, Dallas, Texas, USA
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Guo J, Qian Y, Zhang X, Han S, Shi Q, Xu J. Remimazolam tosilate compared with propofol for gastrointestinal endoscopy in elderly patients: a prospective, randomized and controlled study. BMC Anesthesiol 2022; 22:180. [PMID: 35689208 PMCID: PMC9185932 DOI: 10.1186/s12871-022-01713-6] [Citation(s) in RCA: 35] [Impact Index Per Article: 17.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2022] [Accepted: 05/23/2022] [Indexed: 02/01/2023] Open
Abstract
Background Remimazolam tosilate (HR7056, RT), a novel ultrashort-acting benzodiazepine, can be used for procedural sedation and general anaesthesia. However, few studies have focused on the sedative effect of RT during gastrointestinal endoscopy in elderly patients. The purpose of this study is to compare the sedative effect of RT and propofol for gastrointestinal endoscopy in elderly patients. Methods A total of 82 patients aged ≥65 years with an American Society of Anaesthesiologists (ASA) grade I-II and a body mass index (BMI) of 18.0 to 30.0 kg/m2 who were scheduled for gastrointestinal endoscopy from Jan 2021 to Aug 2021 were selected and randomly divided into a RT group and a propofol group. Alfentanil 5 μg/kg was used for analgesia in both groups. The RT group was given remimazolam tosilate 0.15 mg/kg with supplemental doses of 0.05 mg/kg as need, while the propofol group was given propofol 1.5 mg/kg with supplemental doses of 0.5 mg/kg. The supplemental doses were determined by the modified observational alertness/sedation assessment (MOAA/S) score and the patients’ body movements. Sedative effects, such as the time to loss of consciousness (LOC) (MOAA/S score ≤ 1), successful sedation in one dose, number of supplemental doses after successful induction, and recovery time, were evaluated. Sedation-related side effects, such as injection pain, haemodynamic events and respiratory depression, were also noted. Postoperative nausea and vomiting (PONV), visual analogue scale (VAS) scores at rest, remedial analgesics, and dizziness or headache were recorded. In addition, patients’ satisfaction and physician’s satisfaction of the procedure were compared between the two groups. Results Data from 77 patients were analysed. The success rate of sedation in both groups was 100%. The time to LOC (MOAA/S score ≤ 1) in the RT group was longer than that in the propofol group (20.7 ± 6.1s vs. 13.2 ± 5.2s, P < 0.001). There were fewer patients in the RT group reporting injection pain than that in the propofol group (0/39 vs. 5/38, P = 0.025). Haemodynamic events and respiratory depression in the RT group were less frequent than those in the propofol group ((6/39 vs. 17/38, P = 0.005), (2/39 vs. 9/38, P = 0.026), respectively). The number of supplemental doses after successful induction in the RT group was greater than that in the propofol group (4/9/11/13/1/1 vs. 8/4/18/6/2/0 requiring 0, 1, 2, 3, 4 or 5 supplemental doses, P = 0.014). The characteristics of the patients enrolled, postoperative parameters of the patients, and patients’ and physician’s satisfaction of the procedure were comparable in the two groups. Conclusions Compared with propofol, RT can be safely and effectively used for gastrointestinal endoscopy sedation in elderly patients, and the incidence of sedation-related adverse reactions, especially haemodynamic events and respiratory depression, is lower. When RT is used, the number of supplemental doses after successful induction may increase slightly. Trial registration Chictr.org.cn ChiCTR2000040498. Retrospectively registered (date of registration: December 1, 2020).
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Affiliation(s)
- Jian Guo
- Department of Anaesthesiology, The Fourth Affiliated Hospital, Zhejiang University, School of Medicine, Yiwu, 322000, Zhejiang, China
| | - Yitao Qian
- Department of Anaesthesiology, The Fourth Affiliated Hospital, Zhejiang University, School of Medicine, Yiwu, 322000, Zhejiang, China
| | - Xiaojin Zhang
- Department of Obstetrics, The Fourth Affiliated Hospital, Zhejiang University, School of Medicine, Yiwu, 322000, Zhejiang, China
| | - Shuangjian Han
- Department of Anaesthesiology, The Fourth Affiliated Hospital, Zhejiang University, School of Medicine, Yiwu, 322000, Zhejiang, China
| | - Qinye Shi
- Department of Anaesthesiology, The Fourth Affiliated Hospital, Zhejiang University, School of Medicine, Yiwu, 322000, Zhejiang, China
| | - Jianhong Xu
- Department of Anaesthesiology, The Fourth Affiliated Hospital, Zhejiang University, School of Medicine, Yiwu, 322000, Zhejiang, China.
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Ahmed F, Dubey PK, . A. The Valsalva Maneuver Is Not as Effective as Lidocaine for the Attenuation of Pain on Injection of Propofol: A Randomized Controlled Study. Cureus 2022; 14:e25678. [PMID: 35816661 PMCID: PMC9257113 DOI: 10.7759/cureus.25678] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/05/2022] [Indexed: 11/13/2022] Open
Abstract
Background and objective Lidocaine pretreatment is considered the gold standard for attenuating pain on injection of propofol. Valsalva maneuver (VM) causes baroreceptor reflex arc-induced antinociception by increasing the intrathoracic pressure. We aimed to evaluate the efficacy of VM in alleviating the pain on injection of propofol in this randomized comparative study. Methods A total of 90 patients were recruited for this randomized study. They were classified into two groups. Patients in group D received 5-mL 4% lidocaine in saline intravenously while the venous drainage was occluded. Then they were asked to press a rubber ball as hard as they could. Patients in group V received 5-ml saline pretreatment. They were then asked to perform VM by blowing into rubber tubing connected to a manometer and raising and holding the pressure up to 40 mmHg. The verbal response and behavioral signs were recorded with a score corresponding to no, mild, moderate, or severe pain. A t-test was performed to compare the mean of variables between the two groups. The Kolmogorov-Smirnov test was used for testing the equality of the distribution function of pain scores between the groups. Repeated measures analysis of variance (ANOVA) was performed to test the heart rate and mean arterial pressure (MAP) at different points of observation. Results The incidence of pain and pain scores were significantly higher among the patients in the VM group as compared to those in the lidocaine with distraction group. Conclusions VM performed immediately before the injection failed to attenuate the pain produced by propofol as compared to lidocaine pretreatment along with distraction.
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Li J, Wang X, Liu J, Wang X, Li X, Wang Y, Ouyang W, Li J, Yao S, Zhu Z, Guo Q, Yu Y, Meng J, Zuo Y. Comparison of ciprofol (HSK3486) versus propofol for the induction of deep sedation during gastroscopy and colonoscopy procedures: A multi-centre, non-inferiority, randomized, controlled phase 3 clinical trial. Basic Clin Pharmacol Toxicol 2022; 131:138-148. [PMID: 35653554 PMCID: PMC9543620 DOI: 10.1111/bcpt.13761] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2022] [Revised: 05/24/2022] [Accepted: 05/31/2022] [Indexed: 02/05/2023]
Abstract
Ciprofol is a propofol analogue with improved pharmacokinetic properties. A multi‐centre, non‐inferiority trial was conducted to compare the deep sedation properties of ciprofol and propofol with a non‐inferiority margin of 8% in patients undergoing gastroscopy and colonoscopy. In total, 289 patients were randomly allocated for surgery (259 colonoscopy and 30 gastroscopy) at a 1:1 ratio to be given intravenous injections of ciprofol (0.4 mg/kg) or propofol (1.5 mg/kg). The primary outcome was the success rate of colonoscopy defined as colonoscopy completion with no need for an alternative sedative or >5 ciprofol or propofol top up doses within any 15‐min time period. The success rate of colonoscopy was 100% in the ciprofol group vs. 99.2% in the propofol group (mean difference 0.8%, 95% CI: −2.2% to 4.2%). Except for the gastrointestinal lesions found during the gastroscopy and colonoscopy procedures, the occurrence rates of adverse drug reactions in the ciprofol and propofol groups were 31.3% and 62.8%, respectively (P < 0.001). Pain on injection was less common in the ciprofol group (4.9% vs. 52.4%, P < 0.001). The outcomes demonstrated that ciprofol was non‐inferior to propofol with regard to successful sedation for gastroscopy or colonoscopy procedures and no obvious important adverse events occurred.
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Affiliation(s)
- Junxiang Li
- Department of Anesthesiology, West China Hospital, Sichuan University, Chengdu, China.,Department of Anesthesiology, Pi du District People's Hospital, Chengdu, China
| | - Xiao Wang
- Department of Anesthesiology, West China Hospital, Sichuan University, Chengdu, China
| | - Jin Liu
- Department of Anesthesiology, West China Hospital, Sichuan University, Chengdu, China
| | - Xia Wang
- Department of Anesthesiology, West China Hospital, Sichuan University, Chengdu, China
| | - Xiangkui Li
- Department of Anesthesiology, Sichuan Provincial People's Hospital, Chengdu, China
| | - Yaping Wang
- Department of Anesthesiology, The Second Xiangya Hospital of Central South University, Changsha, China
| | - Wen Ouyang
- Department of Anesthesiology, The Third Xiangya Hospital of Central South University, Changsha, China
| | - Jun Li
- Department of Anesthesiology, The 2nd Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, China
| | - Shanglong Yao
- Department of Anesthesiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Zhaoqiong Zhu
- Department of Anesthesiology, Affiliated Hospital of Zunyi Medical College, Zunyi, China
| | - Qulian Guo
- Department of Anesthesiology, Xiangya Hospital, Central South University, Changsha, China
| | - Yonghao Yu
- Department of Anesthesiology, Tianjin Medical University General Hospital, Tianjin, China
| | - Jinhai Meng
- Department of Anesthesiology, General Hospital of Ningxia Medical University, Yinchuan, China
| | - Yunxia Zuo
- Department of Anesthesiology, West China Hospital, Sichuan University, Chengdu, China
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A comparison of ondansetron and lidocaine in reducing injection pain of propofol: a randomized controlled study. BMC Anesthesiol 2022; 22:109. [PMID: 35436859 PMCID: PMC9014613 DOI: 10.1186/s12871-022-01650-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2021] [Accepted: 04/08/2022] [Indexed: 12/13/2022] Open
Abstract
Background Direct stimulation of the afferent nerve endings in the venous endothelium is one explanation of propofol injection pain. Previous studies found that ondansetron can also block sodium channels. This effect is similar to that of lidocaine. Objective The primary outcome was the efficacy of ondansetron compared to lidocaine and placebo for the reduction of propofol injection pain. Method This trial was conducted in 240 patients, American Society of Anesthesiologists classification I-III and aged between 18–65 years old, undergoing elective surgery, and having a 20-gauge intravenous catheter at the hand dorsum. Each group of 80 patients received 8 mg. of ondansetron in the O Group, 40 mg. of lidocaine in the L Group and normal saline in the C Group. The study medications were blindly administered to the patients through a 20-gauge intravenous catheter placed on the hand dorsum, and then 1 min later, the small dose of propofol (50 mg.) was infused via the syringe pump at a rate of 600 ml/hr. for 30 s. Following that, the syringe pump of propofol was temporarily stopped, and the patients were asked to rate their pain at the injection site. Result The incidence of pain was lowest in the L group (66.2%) compared with the O (82.5%) and the C groups (85.0%) (P < 0.01). The median pain score in the L, O, and C groups were 2 (0–4), 4 (2–5), and 4.5 (2–6), respectively (P < 0.01). The incidences of no pain, mild, moderate, and severe pain were also significantly different in the L group (33.8%, 37.5%, 21.2%, and 7.5%, respectively) compared with those in the O group (17.5%, 31.2%, 31.2%, and 20.0%, respectively) and the C groups (15.0%, 22.5%, 40.0%, and 22.5%, respectively) (P < 0.01). Conclusion Pretreatment with intravenous lidocaine, rather than ondansetron, can reduce the incidence and intensity of propofol-induced pain.
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Jin D, pan Y, Jin W, Yan Y, Huang L, Wang J. Clinical Study on the Combination of Transcutaneous Electrical Acupoint Stimulation and Lidocaine for Preventing Propofol Injection Pain. J Pain Res 2022; 15:745-755. [PMID: 35313663 PMCID: PMC8934144 DOI: 10.2147/jpr.s356150] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2021] [Accepted: 03/02/2022] [Indexed: 11/29/2022] Open
Abstract
Purpose Propofol is a widely used intravenous anesthetic in clinical practice. Lidocaine pretreatment is currently the most commonly used method to reduce the pain of propofol injection. However, propofol injection pain has not been eliminated and its incidence remains high. Transcutaneous electrical acupoint stimulation is a green therapy that combines transcutaneous electrical nerve stimulation therapy with the traditional acupuncture therapy of our motherland. This study investigated the effectiveness of transcutaneous electrical acupoint stimulation (TEAS) combined with lidocaine in preventing propofol injection pain and determined whether it can reduce postoperative complications and promote rapid postoperative recovery of patients. Patients and Methods A total of 220 women scheduled to undergo hysteroscopic surgery were enrolled in the study. The included patients were randomly divided into four groups of 55 patients each: normal saline group (group K), lidocaine group (group L), TEAS group (group T), and lidocaine + TEAS group (group L + T). Patients in group K received 2 mL saline (0.9% NaCl) pre-injection before anesthesia induction. Group L received 40 mg lidocaine pre-injection (2 mL of 2% lidocaine) before anesthesia induction. Group T received 30 min of transcutaneous electrical stimulation at bilateral election Hegu, Neiguan, and 2 mL saline pre-injections before anesthesia induction. Group L + T received TEAS and lidocaine pre-injection. Results The VAS scores and the four-point verbal rating scale of propofol injection were significantly different among the four groups. The prevalence of nausea, vomiting, abdominal pain, and abdominal distension after surgery among the four groups were statistically different. The bleeding days after surgery were significantly different among the four groups. Conclusion TEAS combined with lidocaine pre-injection reduced the incidence of propofol injection pain and significantly reduced patients’ pain levels compared with single lidocaine pre-injection. TEAS can also reduce the incidence of postoperative nausea and vomiting, abdominal pain, and abdominal distension, shorten postoperative bleeding days, and accelerate the postoperative recovery of patients.
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Affiliation(s)
- Dan Jin
- Department of Anesthesiology, The First Affiliated Hospital of Wenzhou Medical University, Zhejiang, People’s Republic of China
| | - Yuanyuan pan
- Department of Anesthesiology, The First Affiliated Hospital of Wenzhou Medical University, Zhejiang, People’s Republic of China
| | - Wenjun Jin
- Department of Anesthesiology, The First Affiliated Hospital of Wenzhou Medical University, Zhejiang, People’s Republic of China
| | - Yixiu Yan
- Department of Anesthesiology, The First Affiliated Hospital of Wenzhou Medical University, Zhejiang, People’s Republic of China
| | - Luping Huang
- Department of Anesthesiology, The First Affiliated Hospital of Wenzhou Medical University, Zhejiang, People’s Republic of China
| | - Junlu Wang
- Department of Anesthesiology, The First Affiliated Hospital of Wenzhou Medical University, Zhejiang, People’s Republic of China
- Correspondence: Junlu Wang, Departments of Anesthesiology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, People’s Republic of China, Tel +86 13806689854, Fax +86 577-55578999-689854, Email
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Misra S, Behera B, Sahoo A. Effect of 6% hydroxyethyl starch pre-administration for reduction of pain on propofol injection: A placebo-controlled randomised study. Indian J Anaesth 2022; 66:107-111. [PMID: 35359480 PMCID: PMC8963232 DOI: 10.4103/ija.ija_884_21] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2021] [Revised: 01/20/2022] [Accepted: 02/06/2022] [Indexed: 12/05/2022] Open
Abstract
Background and Aims: Colloids modify the vascular endothelium and prevent contact activation of various substances. Pre-administration of colloids may prevent contact activation of vascular endothelium by propofol. The objective of this study was to evaluate the effect of 6% hydroxyethyl starch (HES) 130/0.4 pre-administration on propofol injection pain. Methods: Adult patients of the American Society of Anesthesiologists physical status I and II patients, 18-65 years old, of either gender and undergoing elective surgery were randomised into two groups. 100 mL bolus of HES or 0.9% normal saline (NS) was administered over three to five minutes through an 18 G cannula placed in the hand or forearm vein, followed by induction with 1% propofol premixed with 2% lidocaine. Pain during propofol injection was assessed every 10 seconds before the loss of verbal contact as 0- no pain; 1- mild pain evident only on questioning after 10 seconds without any obvious discomfort; 2-moderate pain self-reported by patients within 10 seconds with some discomfort; and 3- severe pain accompanied by withdrawing of hand, and behavioural signs. Results: 126 patients completed the study. Overall incidence of pain was significantly higher in the NS group vs HES group (53% vs 28%; P = 0.004; relative risk 1.54, 95% confidence interval 1.13-2.09). Incidence of severe (8% vs 0%) and moderate pain (16% vs 5%) was higher in the NS group, while the incidence of mild pain was comparable (29% vs 23%; NS vs HES). A significant difference was seen in the severity of pain between the groups (P = 0.002). Conclusion: Pre-administration of 100 mL bolus of 6% HES 130/0.4 significantly reduced propofol injection pain.
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MORALAR DG, TÜRKMEN AÜ, ALTAN AH. Comparison of Effects of Ketamine, Esmolol and Lidocaine on Propofol Injection Pain. DICLE MEDICAL JOURNAL 2021. [DOI: 10.5798/dicletip.1001895] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Hu C, Ou X, Teng Y, Shu S, Wang Y, Zhu X, Kang Y, Miao J. Sedation Effects Produced by a Ciprofol Initial Infusion or Bolus Dose Followed by Continuous Maintenance Infusion in Healthy Subjects: A Phase 1 Trial. Adv Ther 2021; 38:5484-5500. [PMID: 34559359 PMCID: PMC8523013 DOI: 10.1007/s12325-021-01914-4] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2021] [Accepted: 09/01/2021] [Indexed: 02/05/2023]
Abstract
Introduction The effects of continuous infusions of ciprofol on its pharmacodynamic and pharmacokinetic properties and safety profiles in healthy Chinese subjects were evaluated. Methods In this open-label, randomized, two-way cross-over study, subjects received initial doses of continuous ciprofol/propofol as an infusion for 30 min in part 1 (n = 8) and a bolus dose in part 2 (n = 8) followed by maintenance infusions for a total of 4 h in part 1 and 12 h in part 2. Each subject participated in both parts with a washout time of at least 40 h. Results The safety and tolerability parameters of ciprofol were similar to those of propofol, and all treatment-emergent adverse events were mild. The incidences of injection pain and respiratory depression in subjects given ciprofol were lower than those receiving propofol. The pharmacokinetic parameters Cmax, tmax, t1/2, λz and MRT for ciprofol and propofol were similar, while CL, Vd and Vss were statistically significantly different. Pharmacodynamic parameters including the Richmond Agitation Sedation Scale and bispectral index profiles of ciprofol were similar to those of propofol. Conclusion Ciprofol has potential for clinical application for continuous intravenous infusion to maintain sedation for 12 h with the same safety, tolerability and efficacy as propofol. Supplementary Information The online version contains supplementary material available at 10.1007/s12325-021-01914-4.
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Affiliation(s)
- Chao Hu
- Clinical Trials Center, West China Hospital, Sichuan University, No. 37 Guoxue Lane, Wuhou District, Chengdu, 610041, China
| | - Xiaofeng Ou
- Department of Intensive Care Unit, West China Hospital, Sichuan University, No. 37 Guoxue Lane, Wuhou District, Chengdu, 610041, China
| | - Yi Teng
- Department of Anesthesiology, West China Hospital, Sichuan University, Chengdu, China
| | - Shiqing Shu
- Clinical Trials Center, West China Hospital, Sichuan University, No. 37 Guoxue Lane, Wuhou District, Chengdu, 610041, China
| | - Ying Wang
- Clinical Trials Center, West China Hospital, Sichuan University, No. 37 Guoxue Lane, Wuhou District, Chengdu, 610041, China
| | - Xiaohong Zhu
- Clinical Trials Center, West China Hospital, Sichuan University, No. 37 Guoxue Lane, Wuhou District, Chengdu, 610041, China
| | - Yan Kang
- Department of Intensive Care Unit, West China Hospital, Sichuan University, No. 37 Guoxue Lane, Wuhou District, Chengdu, 610041, China.
| | - Jia Miao
- Clinical Trials Center, West China Hospital, Sichuan University, No. 37 Guoxue Lane, Wuhou District, Chengdu, 610041, China.
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Wu CM, Zhang WS, Liu J, Zhang WY, Ke BW. Efficacy and Safety of Fospropofol Disodium for Injection in General Anesthesia Induction for Adult Patients: A Phase 3 Trial. Front Pharmacol 2021; 12:687894. [PMID: 34588977 PMCID: PMC8473892 DOI: 10.3389/fphar.2021.687894] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Accepted: 08/25/2021] [Indexed: 02/05/2023] Open
Abstract
Background: Fospropofol disodium for injection (FospropofolFD) is a prodrug that is metabolized into propofol to produce a general anesthesia effect when administered intravenously. Objective: This study aimed to assess the efficacy and safety of FospropofolFD in comparison with propofol medium/long-chain fat emulsion injections (propofol-MCT/LCT) for general anesthesia induction in adult patients undergoing elective surgeries. Setting: Nine academic medical centers in China. Method: This multicenter, randomized, double-blind, double-simulated, controlled, and non-inferiority trial evaluated 540 eligible adult patients randomly assigned (2:1) to the intervention (20 mg/kg FospropofolFD) or control (2 mg/kg propofol-MCT/LCT) groups. Main Outcome Measure: The primary efficacy endpoint was the success rate, defined as a Modified Observer’s Assessment of Alertness/Sedation Scale score of 1 within 5 min after study drug administration. The safety endpoints consisted of adverse events (AEs) related to consciousness, cognitive function, hemodynamic status, liver and kidney function, and blood tests. Results: A total of 347 (96.3%) and 175 (97.2%) patients in the intervention and control groups, respectively, completed the study. The success rate for the primary outcome was 97.7% for both study drugs. The most frequent AEs in the intervention group were abnormal feeling (62.0%), blood pressure reduction (13.5%), and injection site pain (13.3%). No AEs related to consciousness and mental and cognitive functions or serious adverse events were reported. Conclusion: FospropofolFD (20 mg/kg) is not inferior to propofol-MCT/LCT (2 mg/kg) in general anesthesia induction for American Society of Anesthesiologists (ASA) physical status I-II adult patients undergoing elective surgeries. It is safe and effective for clinical use under anesthesiologist monitoring. Impact on Practice Statement: FospropofolFD can produce a general anesthesia effect and reduce the incidence of pain at the site of injection.
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Affiliation(s)
- Chao-Meng Wu
- Department of Anesthesiology, West China Hospital of Sichuan University and The Research Units of West China, Chinese Academy of Medical Science, Chengdu, China
| | - Wen-Sheng Zhang
- Laboratory of Anesthesia and Critical Care Medicine, Translational Neuroscience Center, West China Hospital of Sichuan University, Chengdu, China
| | - Jin Liu
- Department of Anesthesiology, West China Hospital of Sichuan University and The Research Units of West China, Chinese Academy of Medical Science, Chengdu, China.,Laboratory of Anesthesia and Critical Care Medicine, Translational Neuroscience Center, West China Hospital of Sichuan University, Chengdu, China
| | - Wei-Yi Zhang
- Department of Anesthesiology, West China Hospital of Sichuan University and The Research Units of West China, Chinese Academy of Medical Science, Chengdu, China
| | - Bo-Wen Ke
- Laboratory of Anesthesia and Critical Care Medicine, Translational Neuroscience Center, West China Hospital of Sichuan University, Chengdu, China
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Propofol Ameliorates Microglia Activation by Targeting MicroRNA-221/222-IRF2 Axis. J Immunol Res 2021; 2021:3101146. [PMID: 34423051 PMCID: PMC8373515 DOI: 10.1155/2021/3101146] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2021] [Revised: 07/16/2021] [Accepted: 07/24/2021] [Indexed: 11/17/2022] Open
Abstract
Background Propofol is a widely used intravenous anesthetic drug with potential neuroprotective effect in diverse diseases of neuronal injuries such as traumatic brain injury and ischemic stroke. However, the underlying molecular mechanism remains largely unknown. Methods Real-time qPCR, enzyme-linked immunosorbent assay, and Western blotting were used to identify the expression pattern of miR-221/222, inflammatory genes, cytokines, and IRF2. The biological roles and mechanisms of propofol in microglia activation were determined in BV2 cells and primary microglia. Bioinformatic analysis and luciferase reporter assay were used to confirm the regulatory role of miR-221/222 in Irf2 expression. Results We found that miR-221 and miR-222 were downstream targets of propofol and were consistently upregulated in lipopolysaccharide- (LPS-) primed BV2 cells. Gain- and loss-of-function studies revealed that miR-221 and miR-222 were profoundly implicated in microglia activation. Then, interferon regulatory factor 2 (Irf2) was identified as a direct target gene of miR-221/222. IRF2 protein levels were reduced by miR-221/222 and increased by propofol treatment. Ectopic expression of IRF2 attenuated the proinflammatory roles induced by LPS in BV2 cells. More importantly, the suppressive effects of propofol on LPS-primed activation of BV2 cells or primary mouse microglia involved the inhibition of miR-221/222-IRF2 axis. Conclusions Our study highlights the critical function of miR-221/222, which inhibited Irf2 translation, in the anti-inflammatory effects of propofol, and provides a new perspective for the molecular mechanism of propofol-mediated neuroprotective effect.
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Lee JS, Kim ES, Cho KB, Park KS, Lee YJ, Lee JY. Pain Intensity at Injection Site during Esophagogastroduodenoscopy Using Long- and Medium-Chain versus Long-Chain Triglyceride Propofol: A Randomized Controlled Double-Blind Study. Gut Liver 2021; 15:562-568. [PMID: 33115965 PMCID: PMC8283282 DOI: 10.5009/gnl20243] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/04/2020] [Revised: 08/26/2020] [Accepted: 09/06/2020] [Indexed: 11/04/2022] Open
Abstract
Background/Aims The intensities of injection pain resulting from the use of long- and medium-chain triglyceride (LCT/MCT) propofol and conventional LCT propofol during esophagogastroduodenoscopy (EGD) have yet to be compared. We aimed to determine the pain intensity caused by different formulations of propofol and to evaluate the formulation that would be preferred by patients as a sedative agent during their next procedure. Methods This study was a single-center, randomized, controlled, and double-blind trial. Pain intensity was estimated 30 seconds after propofol injection by an examiner who was blinded to the group assignment using a numeric (0-10) pain rating scale (NPRS). After 1 week, the patients were asked whether they could recall the pain and were willing to receive the same agent for their next EGD. Results One hundred twenty-nine patients were randomly assigned to LCT/MCT or LCT group. Although there was no significant difference in pain incidence between the LCT/MCT and LCT groups (52.9% vs 65.6%, p=0.156), the pain intensity was significantly lower in the LCT/MCT group (NPRS median [interquartile range]; 1 (0-2) vs 2 (0-5), p=0.005). After 1 week, fewer patients in the LCT/MCT group recalled the pain (19.1% vs 63.9%, p<0.001) and more patients in the LCT/MCT group were more willing to use the same agent for their next procedure (86.8% vs 72.1%, p=0.048) than in the LCT group. Conclusions LCT/MCT propofol significantly reduced injection pain intensity compared to LCT propofol during EGD and preferred by patients as a sedative agent during their next EGD.
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Affiliation(s)
- Joon Seop Lee
- Department of Internal Medicine, School of Medicine, Kyungpook National University, Kyungpook National University Hospital, Daegu, Korea
| | - Eun Soo Kim
- Department of Internal Medicine, School of Medicine, Kyungpook National University, Kyungpook National University Hospital, Daegu, Korea
| | - Kwang Bum Cho
- Department of Internal Medicine, Keimyung University School of Medicine, Daegu, Korea
| | - Kyung Sik Park
- Department of Internal Medicine, Keimyung University School of Medicine, Daegu, Korea
| | - Yoo Jin Lee
- Department of Internal Medicine, Keimyung University School of Medicine, Daegu, Korea
| | - Ju Yup Lee
- Department of Internal Medicine, Keimyung University School of Medicine, Daegu, Korea
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Tian S, Zhang D, Zhou W, Tan C, Shan Q, Ma R, Xing Z, Sui W, Zhang Z. Median Effective Dose of Lidocaine for the Prevention of Pain Caused by the Injection of Propofol Formulated with Medium- and Long-Chain Triglycerides Based on Lean Body Weight. PAIN MEDICINE 2021; 22:1246-1252. [PMID: 33094312 DOI: 10.1093/pm/pnaa316] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
OBJECTIVE To determine the median effective dose (ED50) of prophylactic intravenous lidocaine for the prevention of propofol medium-chain triglyceride/long-chain triglyceride (MCT/LCT) emulsion injection pain. DESIGN Prospective trial, Dixon up-and-down sequential method. SETTING Operating room of a single hospital. PATIENTS Thirty patients aged 18-65 years with American Society of Anesthesiologists (ASA) status I or II who were scheduled for elective surgery under general anesthesia (GA) were included. INTERVENTIONS The initial dose of prophylactic lidocaine before propofol MCT/LCT emulsion injection was set at 0.5 mg/kg lean body weight (LBW). The lidocaine dose was adjusted according to the degree of patients' injection pain using the Dixon up-and-down sequential method. MEASUREMENTS The ED50 and 95% confidence intervals (CIs) of lidocaine were calculated using the Dixon-Massey formula. Vital signs and adverse effects were recorded. In the postanesthesia care unit (PACU), patients were asked if they recalled feeling any injection pain with visual analog scale (VAS) evaluation. RESULTS The ED50 of lidocaine for the prevention of propofol MCT/LCT emulsion injection pain was 0.306 mg/kg LBW (95% CI, 0.262-0.357 mg/kg LBW). No adverse reactions to lidocaine occurred. In the PACU, 90.9% of patients who experienced injection pain recalled this pain (VAS score, 2.8±1.8). CONCLUSIONS Prophylactic intravenous lidocaine (0.306 mg/kg LBW) effectively prevented propofol MCT/LCT emulsion injection pain in 50% of patients scheduled for elective surgery under GA with no adverse reaction occurring.
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Affiliation(s)
- Shunping Tian
- School of Medicine, Yangzhou University, Yangzhou, China
| | - Dongsheng Zhang
- Department of Anesthesiology, Affiliated Hospital of Yangzhou University, Yangzhou University, Yangzhou, China
| | - Wei Zhou
- Department of Anesthesiology, Affiliated Hospital of Yangzhou University, Yangzhou University, Yangzhou, China
| | - Chao Tan
- School of Medicine, Yangzhou University, Yangzhou, China
| | - Qing Shan
- Department of Geriatrics, Affiliated Hospital of Yangzhou University, Yangzhou University, Yangzhou, China
| | - Rongrong Ma
- Department of Anesthesiology, Affiliated Hospital of Yangzhou University, Yangzhou University, Yangzhou, China
| | - Zhi Xing
- Department of Anesthesiology, Affiliated Hospital of Yangzhou University, Yangzhou University, Yangzhou, China
| | - Wei Sui
- Department of Anesthesiology, Affiliated Hospital of Yangzhou University, Yangzhou University, Yangzhou, China
| | - Zhuan Zhang
- Department of Anesthesiology, Affiliated Hospital of Yangzhou University, Yangzhou University, Yangzhou, China
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Bakhtiari E, Mousavi SH, Gharavi Fard M. Pharmacological control of pain during propofol injection: a systematic review and meta-analysis. Expert Rev Clin Pharmacol 2021; 14:889-899. [PMID: 33896305 DOI: 10.1080/17512433.2021.1919084] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
OBJECTIVE A research was performed to review the effect of pharmacological interventions to control the propofol injection pain. METHODS A search of databases was performed. Randomized clinical trials comparing pharmacological interventions with placebo or active compound to reduce of propofol injection pain were selected. The outcome was the frequency of pain. Data were analyzed in three subgroups according to type of control. Random effect model was used to calculate relative risk (RR) with 95% confidence intervals (CIs). RESULTS Fifty-two articles with 105 studies on 7315 adults were included. The incidence of pain in intervention and control group was 40.91% and 66.27%. Combination therapy with two drugs (RR = 0.29 95% CI = (0.11, 0.75)), opioids (RR = 0.39 95% CI = (0.28, 0.54)) and 5 HT3 antagonists (RR = 0.39 95% CI = (0.30, 0.50)) were the most effective interventions compared to placebo. Combination therapy was the most effective intervention compared to lidocaine as control (RR = 0.51 95% CI = (0.46, 0.55)). Opioids were the most effective intervention compared to long chain triglyceride propofol as control (RR = 0.27 95% CI = (0.15, 0.49)). CONCLUSION Pretreatment with two different drugs, opioids and surprisingly 5 HT3 antagonists were the most effective interventions compared to placebo. Combination therapy was the most effective versus lidocaine as control.
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Affiliation(s)
- Elham Bakhtiari
- Eye Research Center, Mashhad University of Medical Sciences, Mashhad, Iran.,Clinical Research Unit, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Seyed Hadi Mousavi
- Medical Toxicology Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Mohammad Gharavi Fard
- Department of Anesthesiology and Critical Care, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
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Lu Y, Gu Y, Liu L, Tang X, Xia Q, Xu Z. Intravenous Dexmedetomidine Administration Prior Anesthesia Induction With Propofol at 4°C Attenuates Propofol Injection Pain: A Double-Blind, Randomized, Placebo-Controlled Trial. Front Med (Lausanne) 2021; 8:590465. [PMID: 34026771 PMCID: PMC8137828 DOI: 10.3389/fmed.2021.590465] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2020] [Accepted: 04/13/2021] [Indexed: 12/03/2022] Open
Abstract
Background: Propofol injection pain, despite various interventions, still occurs during the anesthesia induction and causes intense discomfort and anxiety in patients. This study aimed to explore the effect of intravenous dexmedetomidine on propofol injection pain prior to anesthesia induction with propofol at 4°C. Methods: A total of 251 patients (American Society of Anesthesiologists I–II) who underwent oral and maxillofacial surgery were randomly assigned to a combination group (n = 63), lidocaine group (n = 62), dexmedetomidine group (n = 63), and placebo-control group (n = 63); they received 0.5 ug/kg dexmedetomidine prior to anesthesia induction with propofol at 4°C, 40 mg lidocaine, 0.5 ug/kg dexmedetomidine prior to anesthesia induction, and normal saline, respectively. Incidence of pain, pain intensity, and reaction to the pain stimulus were evaluated by using verbal categorial scoring (VCS), a numerical rating scale (NRS), and the Surgical Pleth Index (SPI), respectively. In addition, hemodynamic parameters such as heart rate (HR) and mean arterial pressure (MAP) were also measured. The VCS and NRS were evaluated at 5 s after propofol injection. In addition, SPI, HR, and MAP were evaluated at three time points (before anesthesia induction and 5 and 30 s after propofol injection). Results: The incidence of pain in the combination group (51%) was significantly lower than that in the lidocaine group (71%), dexmedetomidine group (67%), or placebo-control group (94%) (p < 0.001). VCS and NRS scores in the combination group were also lower compared with the other three groups (p < 0.001), with no statistically significant differences between the lidocaine group and dexmedetomidine group (p > 0.05). The SPI of the combination group decreased significantly in comparison with the other three groups at 5 s after propofol injection (F = 96.23, p < 0.001) and 30 s after propofol injection (F = 4.46, p = 0.005). Further comparisons between HR and MAP revealed no significant differences across the groups (p > 0.05). Conclusion: Because of the sedative nature of dexmedetomidine and analgesic effect of low temperature, this study showed that intravenous dexmedetomidine prior to anesthesia induction with propofol at 4°C is highly effective in attenuating the incidence and severity of pain during injection compared with lidocaine (40 mg), dexmedetomidine 0.5 ug/kg) and placebo. This approach was not associated with any anesthesia complications. Clinical Trial Registration:ClinicalTrials.gov, identifier: ChiCTR-2000034663
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Affiliation(s)
- Yayun Lu
- Center of Gastrointestinal Endoscopy, Huadong Sanatorium, Wuxi, China
| | - Yaping Gu
- Center of Gastrointestinal Endoscopy, Huadong Sanatorium, Wuxi, China
| | - Lihua Liu
- Department of Anesthesiology, Hospital of Stomatology, Sun Yat-Sen University, Guangzhou, China
| | - Xuefeng Tang
- Center of Gastrointestinal Endoscopy, Huadong Sanatorium, Wuxi, China
| | - Qing Xia
- Center of Gastrointestinal Endoscopy, Huadong Sanatorium, Wuxi, China
| | - Zhiyue Xu
- Center of Gastrointestinal Endoscopy, Huadong Sanatorium, Wuxi, China
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Skinner KA, Wzorek JS, Kahne D, Gaudet R. Efficient and flexible synthesis of new photoactivatable propofol analogs. Bioorg Med Chem Lett 2021; 39:127927. [PMID: 33705906 DOI: 10.1016/j.bmcl.2021.127927] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2020] [Revised: 02/24/2021] [Accepted: 02/26/2021] [Indexed: 10/22/2022]
Abstract
Propofol is a widely used general anesthetic, which acts by binding to and modulating several neuronal ion channels. We describe the synthesis of photoactivatable propofol analogs functionalized with an alkyne handle for bioorthogonal chemistry. Such tools are useful for detecting and isolating photolabeled proteins. We designed expedient and flexible synthetic routes to three new diazirine-based crosslinkable propofol derivatives, two of which have alkyne handles. As a proof of principle, we show that these compounds activate heterologously expressed Transient Receptor Potential Ankyrin 1 (TRPA1), a key ion channel of the pain pathway, with a similar potency as propofol in fluorescence-based functional assays. This work demonstrates that installation of the crosslinkable and clickable group on a short nonpolar spacer at the para position of propofol does not affect TRPA1 activation, supporting the utility of these chemical tools in identifying and characterizing potentially druggable binding sites in propofol-interacting proteins.
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Affiliation(s)
- Kenneth A Skinner
- Department of Molecular and Cellular Biology, Harvard University, Cambridge, MA 02138, United States
| | - Joseph S Wzorek
- Department of Chemistry and Chemical Biology, Harvard University, Cambridge, MA 02138, United States
| | - Daniel Kahne
- Department of Molecular and Cellular Biology, Harvard University, Cambridge, MA 02138, United States; Department of Chemistry and Chemical Biology, Harvard University, Cambridge, MA 02138, United States
| | - Rachelle Gaudet
- Department of Molecular and Cellular Biology, Harvard University, Cambridge, MA 02138, United States.
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Ghimire B, Bahadur Chand M. Lidocaine for Reduction of Pain Induced by Propofol in a Tertiary Care Hospital: A Descriptive Cross-sectional Study. ACTA ACUST UNITED AC 2021; 59:365-368. [PMID: 34508534 PMCID: PMC8369599 DOI: 10.31729/jnma.5796] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2020] [Accepted: 05/07/2021] [Indexed: 11/01/2022]
Abstract
INTRODUCTION Propofol is the most frequently used anaesthetic agent. Despite various anaesthetic benefits, propofol is not without side effects, pain on injection being the most common adverse effect. This study aimed to find the grade of pain reduced due to the injection of propofol after administration of lidocaine. METHODS A descriptive cross-sectional study was conducted from March 2015 to August 2015 in the operating theatre in a tertiary care hospital after taking ethical clearance with an ethical clearance from the Institutional Review Committee. A total of 64 participants fulfilling all inclusion criteria of both gender, age ranged from 16-65 years of American Society of Anesthesiologists physical status I and II ready for elective surgery under general anaesthesia with propofol pretreated with 60mg lidocaine with venous occlusion for one minute were observed. The pain was graded by the four-point scale (0=none, 1=mild, 2=moderate, 3=severe). Haemodynamic variables were measured until just before intubation. RESULTS In patients pretreated with lidocaine, no pain 56 (87.5%), mild pain 8 (12.5%) and moderate pain 0 (0%) were observed. CONCLUSIONS The grade of pain during injection of propofol was reduced in more than three-fourth of the patients after administration of pre-anaesthetic drug-like lidocaine.
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Affiliation(s)
- Binam Ghimire
- Department of Anaesthesiology, Patan Academy of Health Sciences, Lalitpur, Nepal
| | - Man Bahadur Chand
- Department of Anaesthesiology, Patan Academy of Health Sciences, Lalitpur, Nepal
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Moningi S, Reddy GP, Nikhar SA, Chikkala R, Kulkarni DK, Ramachandran G. Comparison of the influence of low dose etomidate and propofol as priming dose on the incidence of etomidate induced myoclonus: a randomised, double-blind clinical trial. Braz J Anesthesiol 2021; 72:261-266. [PMID: 33819498 PMCID: PMC9373251 DOI: 10.1016/j.bjane.2021.02.047] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2020] [Revised: 02/21/2021] [Accepted: 02/27/2021] [Indexed: 12/24/2022] Open
Abstract
Background Though hemodynamically stable, etomidate is known for its myoclonus side effect following induction. The main aim of this study is an effective attempt to decrease the incidence of myoclonus with a priming agent. Methods A prospective, double-blind study was carried out on 50 adults posted for elective surgery. After premedication, priming was done with etomidate 0.03 mg.kg-1 (Group E) and propofol 0.2 mg.kg-1 (Group P), i.e., 1/10th of induction dose. After 60 seconds of priming, patients were induced with etomidate by titrating dose over 60 seconds until loss of verbal command and eyelash reflex. The grading of myoclonus, induction dosage, and hemodynamics for 10 minutes post induction were recorded. Results In the study, only 4 cases had myoclonus. Grade 1 myoclonus was encountered in three cases of etomidate group, while only one case in the propofol group had grade 2 myoclonus which was not statistically significant (p-value: 0.12). There was a significant reduction in the etomidate induction dosage in both groups. Conclusion Priming with etomidate and propofol is equally effective in reducing myoclonus with the added benefit of hemodynamic stability and reduction of an induction dose of etomidate (> 50%).
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Affiliation(s)
- Srilata Moningi
- Nizam's Institute of Medical Sciences, Department of Anaesthesia and Intensive Care, Hyderabad, India
| | - G Poojitha Reddy
- Nizam's Institute of Medical Sciences, Department of Anaesthesia and Intensive Care, Hyderabad, India
| | - Sapna Annaji Nikhar
- Nizam's Institute of Medical Sciences, Department of Anaesthesia and Intensive Care, Hyderabad, India.
| | - Ramakrishna Chikkala
- Nizam's Institute of Medical Sciences, Department of Anaesthesia and Intensive Care, Hyderabad, India
| | - Dilip Kumar Kulkarni
- Nizam's Institute of Medical Sciences, Department of Anaesthesia and Intensive Care, Hyderabad, India
| | - Gopinath Ramachandran
- Nizam's Institute of Medical Sciences, Department of Anaesthesia and Intensive Care, Hyderabad, India
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Oshima Y, Ueda K, Tokunaga S, Yurugi Y, Mano T, Sugihara S, Otsuki A, Inagaki Y. Chest Pain After Intravenous Propofol Injection in a Patient Receiving Long-Term Chronic Hemodialysis. J Cardiothorac Vasc Anesth 2021; 35:2542-2543. [PMID: 33483272 DOI: 10.1053/j.jvca.2021.01.004] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/01/2020] [Revised: 12/30/2020] [Accepted: 01/04/2021] [Indexed: 11/11/2022]
Affiliation(s)
- Yoshiaki Oshima
- Department of Anesthesiology, Yonago Medical Center, Yonago, Japan
| | - Keiichiro Ueda
- Department of Anesthesiology, Yonago Medical Center, Yonago, Japan
| | - Saori Tokunaga
- Department of Anesthesiology, Yonago Medical Center, Yonago, Japan
| | - Yohei Yurugi
- Department of Thoracic and Breast Surgery, Yonago Medical Center, Yonago, Japan
| | - Tsutomu Mano
- Department of Nephrology, Yonago Medical Center, Yonago, Japan
| | - Shuji Sugihara
- Department of Radiology, Yonago Medical Center, Yonago, Japan
| | - Akihiro Otsuki
- Division of Anesthesiology and Critical Care Medicine, Department of Surgery, School of Medicine, Tottori University Faculty of Medicine, Yonago, Japan
| | - Yoshimi Inagaki
- Division of Anesthesiology and Critical Care Medicine, Department of Surgery, School of Medicine, Tottori University Faculty of Medicine, Yonago, Japan
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Zhong G, Ho SHK, Tung AMS. Propofol extravasation pain masked by lignocaine premedication. Korean J Anesthesiol 2021; 74:366-367. [PMID: 33401347 PMCID: PMC8342839 DOI: 10.4097/kja.20687] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2020] [Accepted: 01/04/2021] [Indexed: 11/24/2022] Open
Affiliation(s)
- George Zhong
- Department of Anesthesia, Auburn Hospital, Sydney, Australia.,Department of Anesthesia, Concord Repatriation General Hospital, Sydney, Australia
| | - Shun Hin Kenjo Ho
- Department of Anesthesia, Auburn Hospital, Sydney, Australia.,School of Medicine, University of Sydney, Sydney, Australia
| | - Alpha Mang Sze Tung
- Department of Anesthesia, Auburn Hospital, Sydney, Australia.,School of Medicine, University of Notre Dame, Sydney, Australia
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