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Yoon HK, Joo S, Yoon S, Seo JH, Kim WH, Lee HJ. Randomized controlled trial of the effect of general anesthetics on postoperative recovery after minimally invasive nephrectomy. Korean J Anesthesiol 2024; 77:95-105. [PMID: 37232074 PMCID: PMC10834716 DOI: 10.4097/kja.23083] [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: 02/03/2023] [Revised: 05/21/2023] [Accepted: 05/25/2023] [Indexed: 05/27/2023] Open
Abstract
BACKGROUND General anesthetic techniques can affect postoperative recovery. We compared the effect of propofol-based total intravenous anesthesia (TIVA) and desflurane anesthesia on postoperative recovery. METHODS In this randomized trial, 150 patients undergoing robot-assisted or laparoscopic nephrectomy for renal cancer were randomly allocated to either the TIVA or desflurane anesthesia (DES) group. Postoperative recovery was evaluated using the Korean version of the Quality of Recovery-15 questionnaire (QoR-15K) at 24 h, 48 h, and 72 h postoperatively. A generalized estimating equation (GEE) was performed to analyze longitudinal QoR-15K data. Fentanyl consumption, pain severity, postoperative nausea and vomiting, and quality of life three weeks after discharge were also compared. RESULTS Data were analyzed for 70 patients in each group. The TIVA group showed significantly higher QoR-15K scores at 24 and 48 h postoperatively (24 h: DES, 96 [77, 109] vs. TIVA, 104 [82, 117], median difference 8 [95% CI: 1, 15], P = 0.029; 48 h: 110 [95, 128] vs. 125 [109, 130], median difference 8 [95% CI: 1, 15], P = 0.022), however not at 72 h (P = 0.400). The GEE revealed significant effects of group (adjusted mean difference 6.2, 95% CI: 0.39, 12.1, P = 0.037) and time (P < 0.001) on postoperative QoR-15K scores without group-time interaction (P = 0.051). However, there were no significant differences in other outcomes, except for fentanyl consumption, within the first 24 h postoperatively. CONCLUSIONS Propofol-based TIVA showed only a transient improvement in postoperative recovery than desflurane anesthesia, without significant differences in other outcomes.
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Jones Oguh S, Iyer RS, Yuan I, Missett R, Daly Guris RJ, Johnson G, Babus LW, Massa CB, McClung-Pasqualino H, Garcia-Marcinkiewicz AG, Sequera-Ramos L, Kurth CD. Implementation of an electroencephalogram-guided propofol anesthesia practice in a large academic pediatric hospital: A quality improvement project. Paediatr Anaesth 2024; 34:160-166. [PMID: 37962837 DOI: 10.1111/pan.14791] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/20/2023] [Revised: 10/12/2023] [Accepted: 10/22/2023] [Indexed: 11/15/2023]
Abstract
BACKGROUND Propofol-based total intravenous anesthesia is gaining popularity in pediatric anesthesia. Electroencephalogram can be used to guide propofol dosing to the individual patient to mitigate against overdosing and adverse events. However, electroencephalogram interpretation and propofol pharmacokinetics are not sufficiently taught in training programs to confidently deploy electroencephalogram-guided total intravenous anesthesia. AIMS We conducted a quality improvement project with the smart aim of increasing the percentage of electroencephalogram-guided total intravenous anesthesia cases in our main operating room from 0% to 80% over 18 months. Balancing measures were number of total intravenous anesthesia cases, emergence times, and perioperative emergency activations. METHODS The project key drivers were education, equipment, and electronic health record modifications. Plan-Do-Study-Act cycles included: (1) providing journal articles, didactic lectures, intraoperative training, and teaching documents; (2) scheduling electroencephalogram-guided total intravenous anesthesia teachers to train faculty, staff, and fellows for specific cases and to assess case-based knowledge; (3) adding age-based propofol dosing tables and electroencephalogram parameters to the electronic health record (EPIC co, Verona, WI); (4) procuring electroencephalogram monitors (Sedline, Masimo Inc). Electroencephalogram-guided total intravenous anesthesia cases and balancing measures were identified from the electronic health record. The smart aim was evaluated by statistical process control chart. RESULTS After the four Plan-Do-Study-Act cycles, electroencephalogram-guided total intravenous anesthesia increased from 5% to 75% and was sustained at 72% 9 months after project completion. Total intravenous anesthesia cases/mo and number of perioperative emergency activations did not change significantly from start to end of the project, while emergence time for electroencephalogram-guided total intravenous anesthesia was greater statistically but not clinically (total intravenous anesthesia without electroencephalogram [16 ± 10 min], total intravenous anesthesia with electroencephalogram [18 ± 9 min], sevoflurane [17 ± 9 min] p < .001). CONCLUSION Quality improvement methods may be deployed to adopt electroencephalogram-guided total intravenous anesthesia in a large academic pediatric anesthesia practice. Keys to success include education, in operating room case training, scheduling teachers with learners, electronic health record modifications, and electroencephalogram devices and supplies.
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Yun WJ, Shin M, Mohaisen D, Lee K, Kim J. Hierarchical Deep Reinforcement Learning-Based Propofol Infusion Assistant Framework in Anesthesia. IEEE TRANSACTIONS ON NEURAL NETWORKS AND LEARNING SYSTEMS 2024; 35:2510-2521. [PMID: 35853065 DOI: 10.1109/tnnls.2022.3190379] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
This article aims to provide a hierarchical reinforcement learning (RL)-based solution to the automated drug infusion field. The learning policy is divided into the tasks of: 1) learning trajectory generative model and 2) planning policy model. The proposed deep infusion assistant policy gradient (DIAPG) model draws inspiration from adversarial autoencoders (AAEs) and learns latent representations of hypnotic depth trajectories. Given the trajectories drawn from the generative model, the planning policy infers a dose of propofol for stable sedation of a patient under total intravenous anesthesia (TIVA) using propofol and remifentanil. Through extensive evaluation, the DIAPG model can effectively stabilize bispectral index (BIS) and effect site concentration given a potentially time-varying target sequence. The proposed DIAPG shows an increased performance of 530% and 15% when a human expert and a standard reinforcement algorithm are used to infuse drugs, respectively.
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Xue L, Han D. Comparison of Two Anesthetic Regimens on Extubation Time and Postoperative Recovery in Children Undergoing Ambulatory Adenoidectomy: A Retrospective Study. J Perianesth Nurs 2024; 39:66-72. [PMID: 37768264 DOI: 10.1016/j.jopan.2023.06.004] [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: 01/05/2023] [Revised: 06/05/2023] [Accepted: 06/09/2023] [Indexed: 09/29/2023]
Abstract
PURPOSE This aim of this study was to compare two anesthetic regimens in terms of extubation time and postoperative recovery in children undergoing ambulatory adenoidectomy. DESIGN A retrospective cohort study with propensity score matching. METHODS The medical charts of 452 children aged between 3 and 8 years undergoing ambulatory adenoidectomy were retrieved for analysis, of which 438 were eligible to participate in this study. A majority (n = 327) were children exposed to a conventional propofol-pronounced general anesthetic regimen (high-dose propofol plus low-dose remifentanil, labeled as group P), while n = 111 were administered a modified remifentanil-pronounced anesthetic regimen (low-dose propofol plus high-dose remifentanil, namely group R). Propensity score matching was employed to adjust for confounders, resulting in 69 matched patients in each group. The primary endpoint of this study was extubation time. The secondary endpoints were total intraoperative fluid volume, length of stay in the postanesthesia care unit (PACU), postoperative pain rating, the incidence of emergence agitation, nausea and vomiting, as well as the level of consciousness (fully awake or waking by gentle patting) when transferred out of PACU, and any major complications (wound bleeding, reintubation, readmission, and overnight stay). FINDINGS No major complications were observed in both groups. Compared to group P, group R had significantly shorter extubation time (8.2 ± 1.4 minutes vs 13.3 ± 2.4 minutes, P < .001), shorter length of stay in the PACU (14.1 ± 3.1 minutes vs 20.2 ± 3.4 minutes, P < .001), and a higher proportion of cases being fully awake when transferred out of the PACU (91% vs 46%, P < .001). Lastly, the pain rating, frequency of oropharyngeal airway usage, incidence of emergence agitation, and nausea and vomiting were comparable between the two groups (P > .05 for all). CONCLUSIONS Remifentanil-pronounced anesthesia was superior to propofol-pronounced anesthesia in children undergoing ambulatory adenoidectomy, given that the former was associated with a faster recovery time from anesthesia without jeopardizing patient safety.
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Ji JY, Seo YH, Jung HS, Chun HR, Park JS, Kim WJ, Ahn JM, Park YJ, Shin YE, Park CH. Coronary Artery Occlusion with Sharp Blood Pressure Drop during General Anesthesia Induction: A Case Report. MEDICINA (KAUNAS, LITHUANIA) 2024; 60:232. [PMID: 38399520 PMCID: PMC10890261 DOI: 10.3390/medicina60020232] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/07/2024] [Revised: 01/24/2024] [Accepted: 01/25/2024] [Indexed: 02/25/2024]
Abstract
Most anesthetics reduce cardiac functions and lower blood pressure (BP), potentially causing excessive BP reduction in dehydrated patients or those with heart conditions, such as coronary artery disease (CAD). Considering the increased prevalence of cardiovascular disease with age, anesthesiologists must be cautious about BP reduction during general anesthesia in older adults. In the present case, a 76-year-old male patient with undiagnosed CAD in a hypovolemic state experienced a significant drop in systolic BP to the fifties during propofol and sevoflurane anesthesia. Despite the use of vasopressors, excessive hypotension persisted, leading to anesthesia suspension. Subsequent cardiac examinations, including computed tomography heart angio and calcium score, and coronary angiogram, revealed a near total occlusion of the proximal left anterior descending coronary artery (pLAD) and the formation of collateral circulation. After 5 days of hydration and anticoagulation medications and confirmation of normovolemic state, general anesthesia was attempted again and successfully induced; a normal BP was maintained throughout the surgery. Thus, it is important to conduct a thorough cardiac evaluation and maintain normovolemia for general anesthesia in older adults.
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Zhang M, Cairen Z, Liu X, Deng J, Mu X, Wang Y, Lu Z. Transcutaneous electric acupoint stimulation reduced consumption of profopol in patients undergoing laparoscopic surgery: A randomized clinical trial. Medicine (Baltimore) 2024; 103:e35730. [PMID: 38277549 PMCID: PMC10817147 DOI: 10.1097/md.0000000000035730] [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: 10/04/2022] [Accepted: 09/29/2023] [Indexed: 01/28/2024] Open
Abstract
BACKGROUND Propofol is a common regimen for general anesthesia maintenance. But propofol can dose-dependently generate cardiopulmonary depression. Thus, any strategy to reduce propofol dosage during laparoscopic surgery may have underlying beneficial effect for patient prognosis. Previous studies indicated both analgesic and sedative effect of acupoint stimulation. However, its main sedative effect on patients under general anesthesia remains unclear. OBJECTIVE The aim of this study was to investigate the sedative effect of transcutaneous electrical acupoint stimulation (TEAS) on patients scheduled for laparoscopic surgery under general anesthesia. DESIGN, SETTING, PARTICIPANTS AND INTERVENTIONS In this randomized clinical trial, patients scheduled for laparoscopic surgery under general anesthesia in Xijing hospital were randomly assigned to 3 groups, receiving electrical stimulation at the Shenmen (HT7)/Ximen (PC4) (TEAS group), stimulation at the shoulder (non-acupoint group) or no stimulation (control group), respectively. MAIN OUTCOME MEASURES One hundred sixty-two patients completed the study. The primary outcome was the consumption of propofol, and secondary outcomes included features of recovery after surgery, major complications after surgery and by 1 year after surgery. RESULTS In patients undergoing laparoscopic surgery, the doses of propofol decreased significantly in the TEAS group compared (0.10 ± 0.02 mg·kg-1·min-1) with the other 2 groups (both 0.12 ± 0.02 mg·kg-1·min-1, P < .001). The mean differences (95% confidence interval) for non-acupoint versus TEAS and control versus TEAS were 0.021 (0.012, 0.030) and 0.024 (0.013, 0.034), respectively. Time to awake and to extubation were not significantly different among the groups. The incidences of major complications after surgery and by 1 year after surgery were not significantly different among the groups. CONCLUSION TEAS could induce additional sedative effect in patients during laparoscopic surgery and reduce propofol consumption.
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Lee J, Han DW, Kim NY, Kim KS, Yang Y, Yang J, Lee HS, Kim MH. Comparison of Remimazolam versus Sevoflurane on the Postoperative Quality of Recovery in Cervical Spine Surgery: A Prospective Randomized Controlled Double-Blind Trial. Drug Des Devel Ther 2024; 18:121-132. [PMID: 38283136 PMCID: PMC10821644 DOI: 10.2147/dddt.s441622] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2023] [Accepted: 01/18/2024] [Indexed: 01/30/2024] Open
Abstract
Purpose Remimazolam is a newly developed ultra-short-acting benzodiazepine. We compared overall functional recovery, including the postoperative Quality of Recovery-15 (QoR-15) questionnaire scores, between balanced inhalational anesthesia using sevoflurane and total intravenous anesthesia (TIVA) with remimazolam in patients undergoing anterior cervical discectomy and fusion (ACDF). Patients and Methods Seventy-two patients were randomized to the remimazolam (group R) or sevoflurane (group S) group. The primary outcome was the total QoR-15 score on postoperative day (POD) 1. We also assessed the total QoR-15 score on POD2, sub-scores of the QoR-15, perioperative parameters, and postoperative recovery profiles. Group-time interaction effects on the QoR-15 and its sub-scores were analyzed using a linear mixed model. Results The total QoR-15 score on POD1 (120.2 in group R vs 114.3 in group S, P=0.189) was not statistically different between the groups. There were no significant group-time interaction effects on total QoR-15 scores. Instead, patients in group R showed significantly better sub-scores in psychological and postoperative nausea and vomiting (PONV) items on POD1, as well as a lower degree of PONV, than those in group S. Among the five dimensions of the QoR-15, a significant group-time interaction effect was observed for psychological support. Group R showed significantly less changeability in blood pressure and heart rate with a lower dose of intraoperatively administered vasopressor than group S. Conclusion Considering QoR-15, including PONV reduction, and intraoperative hemodynamic stability, remimazolam can be used as the novel and safe anesthetic agent for maintaining general anesthesia instead of sevoflurane in patients undergoing ACDF.
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Sidhu R, Turnbull D, Haboubi H, Leeds JS, Healey C, Hebbar S, Collins P, Jones W, Peerally MF, Brogden S, Neilson LJ, Nayar M, Gath J, Foulkes G, Trudgill NJ, Penman I. British Society of Gastroenterology guidelines on sedation in gastrointestinal endoscopy. Gut 2024; 73:219-245. [PMID: 37816587 PMCID: PMC10850688 DOI: 10.1136/gutjnl-2023-330396] [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: 05/31/2023] [Accepted: 09/06/2023] [Indexed: 10/12/2023]
Abstract
Over 2.5 million gastrointestinal endoscopic procedures are carried out in the United Kingdom (UK) every year. Procedures are carried out with local anaesthetic r with sedation. Sedation is commonly used for gastrointestinal endoscopy, but the type and amount of sedation administered is influenced by the complexity and nature of the procedure and patient factors. The elective and emergency nature of endoscopy procedures and local resources also have a significant impact on the delivery of sedation. In the UK, the vast majority of sedated procedures are carried out using benzodiazepines, with or without opiates, whereas deeper sedation using propofol or general anaesthetic requires the involvement of an anaesthetic team. Patients undergoing gastrointestinal endoscopy need to have good understanding of the options for sedation, including the option for no sedation and alternatives, balancing the intended aims of the procedure and reducing the risk of complications. These guidelines were commissioned by the British Society of Gastroenterology (BSG) Endoscopy Committee with input from major stakeholders, to provide a detailed update, incorporating recent advances in sedation for gastrointestinal endoscopy.This guideline covers aspects from pre-assessment of the elective 'well' patient to patients with significant comorbidity requiring emergency procedures. Types of sedation are discussed, procedure and room requirements and the recovery period, providing guidance to enhance safety and minimise complications. These guidelines are intended to inform practising clinicians and all staff involved in the delivery of gastrointestinal endoscopy with an expectation that this guideline will be revised in 5-years' time.
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Chiu WC, Wu ZF, Lee MS, Chen JYH, Huang YH, Tseng WC, Lai HC. Propofol-based total intravenous anesthesia is associated with less postoperative recurrence than desflurane anesthesia in thyroid cancer surgery. PLoS One 2024; 19:e0296169. [PMID: 38181006 PMCID: PMC10769032 DOI: 10.1371/journal.pone.0296169] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2023] [Accepted: 12/06/2023] [Indexed: 01/07/2024] Open
Abstract
BACKGROUND The effects of anesthesia in patients undergoing thyroid cancer surgery are still not known. We investigated the relationship between the type of anesthesia and patient outcomes following elective thyroid cancer surgery. METHODS This was a retrospective cohort study of patients who underwent elective surgical resection for papillary thyroid carcinoma between January 2009 and December 2019. Patients were grouped according to the type of anesthesia they received, desflurane or propofol. A Kaplan-Meier analysis was conducted, and survival/recurrence curves were presented from the date of surgery to death/recurrence. Univariable and multivariable Cox regression models were used to compare hazard ratios for recurrence after propensity matching. RESULTS A total of 621 patients (22 deaths, 3.5%) under desflurane anesthesia and 588 patients (32 deaths, 5.4%) under propofol anesthesia were included. Five hundred and eighty-eight patients remained in each group after propensity matching. Propofol anesthesia was not associated with better survival compared to desflurane anesthesia in the matched analysis (P = 0.086). However, propofol anesthesia was associated with less recurrence (hazard ratio, 0.38; 95% confidence interval, 0.25-0.56; P < 0.001) in the matched analysis. CONCLUSIONS Propofol anesthesia was associated with less recurrence, but not mortality, following surgery for papillary thyroid carcinoma than desflurane anesthesia. Further prospective investigation is needed to examine the influence of propofol anesthesia on patient outcomes following thyroid cancer surgery.
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Lu C, Kang Y, Luo Q, Zhong F, Cai Y, Zhang G, Guo Z, Zhang S, Ma J, Shu H. Effectiveness of general anaesthesia with remimazolam tosilate on intraoperative haemodynamics and postoperative recovery: study protocol for a randomised, positive-controlled, pragmatic clinical trial (GARTH trial). BMJ Open 2024; 14:e073024. [PMID: 38176870 PMCID: PMC10773345 DOI: 10.1136/bmjopen-2023-073024] [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: 02/23/2023] [Accepted: 10/23/2023] [Indexed: 01/06/2024] Open
Abstract
INTRODUCTION It is encouraged to estimate the effectiveness of components within the enhanced recovery after surgery (ERAS) protocol through patient-reported outcomes, alongside doctor-reported outcomes and length of hospital stay. At present, studies on the contributions of optimal anaesthetic drugs within the ERAS protocol to patient-reported and doctor-reported outcomes are limited. Therefore, this study aims to pragmatically evaluate the effectiveness and safety of general anaesthesia (GA) with remimazolam tosilate within the ERAS protocol on intraoperative haemodynamics and postoperative recovery in adults undergoing elective surgeries, compared with propofol. METHODS AND ANALYSIS This study is a single-centre, randomised, blinded, positive-controlled, pragmatic clinical trial. A total of 900 patients, aged ≥18 years old, scheduled for an elective surgical procedure under GA will be included. Patients will be randomised in a 1:1 ratio to the remimazolam group (the GA with remimazolam tosilate within the ERAS protocol group) or propofol group (the GA with propofol within the ERAS protocol group), stratified by general surgery, thoracic surgery and other surgeries (including urological surgery and otolaryngology surgery). The primary outcomes include the 24-hour postoperative quality of recovery-40 score and the rate of intraoperative hypotension. Secondary endpoints include the rate of sedative hypotension requiring treatment, the haemodynamic profiles, the 72-hour postoperative quality of recovery-40 score, the functional anaesthetic capability, adverse events and complications, quality of life within 3 months as well as economic health outcomes. ETHICS AND DISSEMINATION This study protocol has been approved by the ethics committee of Guangdong Provincial People's Hospital (KY-H-2022-005-03-08). Dissemination plans will be presented at scientific meetings and in scientific publications. TRIAL REGISTRATION NUMBER ChiCTR2200062520.
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Zhang L, Liu C, Yan Q, Cai X. Impact of prognostic nutritional index change on prognosis after colorectal cancer surgery under propofol or sevoflurane anesthesia. BMC Anesthesiol 2024; 24:12. [PMID: 38172695 PMCID: PMC10763006 DOI: 10.1186/s12871-023-02308-5] [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: 06/02/2023] [Accepted: 10/09/2023] [Indexed: 01/05/2024] Open
Abstract
BACKGROUND The alteration of the prognostic nutritional index (PNI) or the utilization of distinct anesthesia strategies has been linked to the prognosis of various cancer types, but the existing evidence is limited and inconclusive, particularly for colorectal cancer (CRC). Our objective was to evaluate the association between PNI change and progression free survival (PFS) and overall survival (OS) in patients treated with CRC surgery after propofol-based or sevoflurane-based anesthesia. METHODS We conducted a retrospective analysis of 414 patients with CRC who underwent surgical resection. Among them, 165 patients received propofol-based total intravenous anesthesia (TIVA-P), while 249 patients received sevoflurane-based inhalation anesthesia (IA-S). The PNI change (ΔPNI) was calculated by subtracting the pre-surgery PNI from the post-surgery PNI, and patients were categorized into high (≥ -2.25) and low (< -2.25) ΔPNI groups. Univariate and multivariate analyses were employed to evaluate the effects of the two anesthesia methods, ΔPNI, and their potential interaction on PFS and OS. RESULTS The median duration of follow-up was 35.9 months (interquartile range: 18-60 months). The five-year OS rates were 63.0% in the TIVA-P group and 59.8% in the IA-S group (hazard ratio [HR]: 0.96; 95% confidence interval [CI]: 0.70-1.35; p = 0.864), while the five-year PFS rates were 55.8% and 51.0% (HR: 0.92; 95% CI: 0.68-1.26; p = 0.614), respectively. In comparison to patients in the low ΔPNI group, those in the high ΔPNI group exhibited a favorable association with both OS (HR: 0.57; 95% CI: 0.40-0.76; p < 0.001) and PFS (HR: 0.58; 95% CI: 0.43-0.79; p < 0.001). Stratified analysis based on ΔPNI revealed significant protective effects in the propofol-treated participants within the high ΔPNI group, whereas such effects were not observed in the low ΔPNI group, for both OS (p for interaction = 0.004) and PFS (p for interaction = 0.024). CONCLUSIONS Our data revealed that among patients who underwent CRC surgery, those treated with TIVA-P exhibited superior survival outcomes compared to those who received IA-S, particularly among individuals with a high degree of PNI change.
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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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Abd Ellatif SE, Mowafy SMS, Shahin MA. Ketofol versus Dexmedetomidine for preventing postoperative delirium in elderly patients undergoing intestinal obstruction surgeries: a randomized controlled study. BMC Anesthesiol 2024; 24:1. [PMID: 38166598 PMCID: PMC10759539 DOI: 10.1186/s12871-023-02378-5] [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: 09/03/2023] [Accepted: 12/11/2023] [Indexed: 01/05/2024] Open
Abstract
PURPOSE Postoperative delirium (POD) is considered the most common postoperative neurological complication in elderly patients. The aim of this study was to evaluate the efficacy of the administration of ketofol versus dexmedetomidine (DEX) for minimizing POD in elderly patients undergoing urgent exploration for intestinal obstruction. METHODS This prospective double-blinded randomized clinical trial was conducted on 120 elderly patients undergoing urgent exploration for intestinal obstruction. Patients were randomly allocated to one of the three groups: Group C (control group) patients received normal saline 0.9%, group D received dexmedetomidine, and group K received ketofol (ketamine: propofol was 1:4). The primary outcome was the incidence of POD. Secondary outcomes were incidence of emergence agitation, postoperative pain, consumption of rescue opioids, hemodynamics, and any side effects. RESULTS The incidence of POD was statistically significantly lower in ketofol and DEX groups than in the control group at all postoperative time recordings. Additionally, VAS scores were statistically significantly decreased in the ketofol and DEX groups compared to the control group at all time recordings except at 48 and 72 h postoperatively, where the values of the three studied groups were comparable. The occurrence of emergence agitation and high-dose opioid consumption postoperatively were found to be significant predictors for the occurrence of POD at 2 h and on the evening of the 1st postoperative day. CONCLUSION The administration of ketofol provides a promising alternative option that is as effective as DEX in reducing the incidence of POD in elderly patients undergoing urgent exploration for intestinal obstruction. TRIAL REGISTRATION This clinical trial was approved by the Institutional Review Board (IRB) at Zagazig University (ZU-IRB# 6704// 3/03/2021) and ClinicalTrials.gov (NCT04816162, registration date 22/03/ 2021). The first research participant was enrolled on 25/03/2021).
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Demir M, Balkiz Soyal Ö, Aytaç BG. Assessment of Optic Nerve Sheath Diameter in Patients Undergoing Endoscopic Retrograde Cholangiopancreatography: A Prospective, Randomized, Controlled Double-Blinded Comparison of Propofol and Ketofol Anesthesia. Niger J Clin Pract 2024; 27:22-28. [PMID: 38317031 DOI: 10.4103/njcp.njcp_876_22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2022] [Accepted: 12/17/2023] [Indexed: 02/07/2024]
Abstract
BACKGROUND ERCP is an endoscopic procedure for the diagnosis and treatment of biliopancreatic system diseases. An increase in intra-abdominal pressure due to the insufflation of air to the intestinal lumen may be transmitted to ICP through the course of ERCP. In this prospective, randomized, controlled double-blinded study, we aimed to assess the ICP change using ultrasonography measurement of ONSD in patients undergoing ERCP comparing the effects of propofol and ketofol anesthesia. MATERIAL/METHODS One hundred and nine patients undergoing ERCP under propofol or ketofol anesthesia were enrolled in the study. Ultrasonography measurement of ONSD was performed before (T0) and immediately after induction of anesthesia (T1), during sphincterotomy (T2), at the end of procedure (T3), and after the patient is fully awake (T4). RESULTS Comparison of ONSD values and ONSD alteration between groups showed no statistically significant difference (P > 0.05). Both groups showed significantly greater changes from T0 to T2 compared with values from T0 to T1, T3, and T4, respectively (P = 0,000). T0 to T3 alteration was also significantly greater than T0 to T1 and T4 change in both groups (P = 0,000). CONCLUSIONS ERCP procedure increases intracranial pressure most prominently during sphincterotomy both under propofol or ketofol anesthesia. Further studies are needed to investigate the impact of this phenomenon on adverse clinical outcomes.
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Assadoon MS, Kovacevic MP, Dube KM, Szumita PM, Lupi KE, DeGrado JR. Evaluation of Atypical Antipsychotics for the Facilitation of Weaning Sedation in Mechanically Ventilated Critically Ill Patients. J Intensive Care Med 2024; 39:52-58. [PMID: 37431208 DOI: 10.1177/08850666231188029] [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] [Indexed: 07/12/2023]
Abstract
INTRODUCTION Sedatives and analgesics are commonly utilized as continuous infusions in the ICU but have complications, including an increase in mechanical ventilation days, ICU length of stay, and delirium. Atypical antipsychotics (AAPs) affect several receptors including muscarinic, histamine, and α-1 adrenergic receptors, which may allow them to act as adjunctive agents to facilitate weaning of continuous infusions. OBJECTIVE To determine if there is a decrease in sedatives/analgesics requirements with the use of quetiapine and olanzapine in mechanically ventilated critically ill patients. METHODS A single-center, retrospective study conducted at Brigham and Women's Hospital from 1/1/2018 to 12/31/2019. Patients were included if they were mechanically ventilated for at least 48 hours before and following AAP initiation, were receiving at least one sedative/analgesic by continuous infusion and received AAP for at least 48 hours. The major endpoint was the percentage of patients with ≥20% reduction in the cumulative dose (CD) of midazolam, propofol, or opioids using morphine mg equivalent (MME), 48 hours from AAP initiation. Minor endpoints included median changes in CD at 24 and 48 hours, and Richmond Agitation-Sedation Scale (RASS), and Critical Care Pain Observation Tool (CPOT) changes at 48 hours. RESULTS A total of 1177 encounters were screened and 107 were included. Within the 48 hours after AAP initiation, 77.6% had ≥20% reduction in the CD of a sedative/analgesic. There was a significant reduction in propofol, no change in MME, and significant increase in dexmedetomidine median CD at 48 hours from AAP start. No difference was found in pain scores, but patients had significantly lighter sedation scores in the 48 hours after AAP initiation. A multivariate analysis showed that earlier initiation of antipsychotics was associated with a higher likelihood of achieving a 20% reduction in a sedative/analgesic. CONCLUSION AAP use was associated with a significant reduction in sedatives/analgesics doses. Future studies are warranted to confirm the results.
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Dubowitz J, Riedel B, Blaas C, Hiller J, Braat S. On the horns of a dilemma: choosing total intravenous anaesthesia or volatile anaesthesia for cancer surgery, an enduring controversy. Br J Anaesth 2024; 132:5-9. [PMID: 37884407 DOI: 10.1016/j.bja.2023.10.001] [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: 09/06/2023] [Accepted: 10/01/2023] [Indexed: 10/28/2023] Open
Abstract
Two methods for administering general anaesthesia are widely used: propofol-based total intravenous anaesthesia (propofol-TIVA) and inhalation volatile agent-based anaesthesia. Both modalities, which have been standards of care for several decades, boast a robust safety profile. Nevertheless, the potential differential effects of these anaesthetic techniques on immediate, intermediate, and extended postoperative outcomes remain a subject of inquiry. We discuss a recently published longitudinal analysis stemming from a multicentre randomised controlled trial comparing sevoflurane-based inhalation anaesthesia with propofol-TIVA in older patients with cancer, which showed a reduced incidence of emergence and postoperative delirium, comparable postoperative complication rates within 30 days after surgery, and comparable long-term survival rates. We undertake an assessment of the trial's methodological strengths and limitations, contextualise its results within the broader scientific evidence, and explore avenues for resolving the extant controversies in anaesthetic choice for cancer surgery. We aim to pave the way for the incorporation of precision medicine paradigms into the evolving landscape of perioperative care for patients with cancer.
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Egan TD. The story of propofol: an interview with John (Iain) B. Glen. Br J Anaesth 2024; 132:196. [PMID: 38016906 DOI: 10.1016/j.bja.2023.09.033] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2023] [Accepted: 09/28/2023] [Indexed: 11/30/2023] Open
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Kawamura A, Tsuboi K, Oka A, Sakaguchi H, Suzuki Y. Anesthesia management in a child with mucopolysaccharidosis and toxic epidermal necrolysis: A case report. Paediatr Anaesth 2024; 34:89-91. [PMID: 37577929 DOI: 10.1111/pan.14746] [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: 04/04/2023] [Revised: 07/13/2023] [Accepted: 07/31/2023] [Indexed: 08/15/2023]
Abstract
Toxic epidermal necrolysis and mucopolysaccharidosis are both rare diseases that pose significant airway maintenance challenges to anesthesiologists. In this report, we describe the anesthesia management in a 4-year-old male with mucopolysaccharidosis type II who developed toxic epidermal necrolysis and presented for ophthalmic surgical procedures. Combined use of propofol and ketamine with the support of high-flow nasal oxygen enabled adequate analgesia and sedation while maintaining spontaneous ventilation and airway patency. The strategy presented in this report may contribute to enhancing the safety of sedation in spontaneously breathing children with abnormal airways.
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Minciullo A, Filomeno L. Nurse-Administered Propofol Sedation Training Curricula and Propofol Administration in Digestive Endoscopy Procedures: A Scoping Review of the Literature. Gastroenterol Nurs 2024; 47:33-40. [PMID: 37937982 DOI: 10.1097/sga.0000000000000780] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/19/2022] [Accepted: 07/21/2023] [Indexed: 11/09/2023] Open
Abstract
Although efficacy and safety of nonanesthesiologist administration of propofol and nurse-administered propofol sedation practices have been amply demonstrated in patients at low American Society of Anesthesiologists physical status risk, they are still severely limited. To date, it is quite difficult to find a protocol or a shared training program. The aim of the study was to verify requirements, types of training, and operating methods described in the literature for the administration of propofol by a nurse. A scoping review of the literature was conducted in accordance with the PRISMA-ScR guidelines and in line with Arksey and O'Malley's framework, within four main databases of biomedical interest: MEDLINE, CINAHL, Scopus, and Web of Science. We selected studies published during the last 20 years, including only nurses not trained in anesthesia. Seventeen articles were eligible. Despite the differences between the training and administration methods, efficacy and safety of deep sedation managed by trained nurses were comparable, just like when sedation was administered by certified registered nurse anesthetists. Training programs have been investigated in detail by only a small number of studies, although its efficacy and safety have been widely demonstrated. It is important, then, to collect evidence that allows developing of unified international guidelines for training methods to offer safe and cost-effective quality sedation.
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Hailemariam T, Sisay S, Mebratu Y, Belay F, Getinet T, Solomon S, Belina M, Abebe A, Hilawi Tewodros B, Manyazewal T. Effects of sedatives on radiologic enema reduction in children with ileocolic intussusception: A systematic review and meta-analysis. Eur J Radiol 2024; 170:111237. [PMID: 38039783 DOI: 10.1016/j.ejrad.2023.111237] [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: 08/12/2023] [Revised: 11/05/2023] [Accepted: 11/25/2023] [Indexed: 12/03/2023]
Abstract
BACKGROUND In children with ileocolic intussusception, sedatives such as midazolam, ketamine and propofol may facilitate radiologic enema reduction, but studies on their separate and joint effects remain controversial. OBJECTIVES We aimed to systematically analyze studies for the effects of sedatives on the radiologic reduction of ileocolic intussusception in children. METHODS We searched PubMed, EMBASE, CINAHL, Scopus and Web of Science from database inception through March 2023 for articles that enrolled children with ileocolic intussusception who underwent non-operative pneumatic or hydrostatic enema reduction under ultrasound or fluoroscopic guidance with or without the use of sedatives. The primary and secondary outcomes were success rate in radiologic reduction of ileocolic intussusception and risk of perforation, respectively. Effect estimates from the individual studies were extracted and combined using the Hartung-Knapp-Sidik-Jonkman log-odds random-effects model. Heterogeneity between studies was checked using Cochran's Q test and the I2 statistic. RESULTS A total of 17 studies with 2094 participants were included in the final review, of which 15 were included in the meta-analysis. Nine studies reported on the success rate of radiologic reduction performed under sedation in all participants, while six studies compared the success rate in two patient groups undergoing the procedure with or without sedation. The pooled success rate of non-operative reduction under sedation was 87 % (95 % CI: 80-95 %), P = 0.000 with considerable heterogeneity (I2 = 85 %). A higher success rate of 94 % (95 % CI: 88-99 %) and homogeneity (I2 = 12 %) were found in studies with pneumatic enema reduction. Among comparative studies, the odds of success of non-operative reduction were increased when the procedure was performed under sedation, with a pooled odds ratio of 2.41 (95 % CI: 1.27-4.57), P = 0.010 and moderate heterogeneity (I2 = 60 %). In a sensitivity analysis, homogeneity was found between analyzed studies when two outliers were excluded (I2 = 0.73 %). The risk of perforation was not significantly different (OR 1.52, 95 % CI: 0.09-23.34), P = 0.764 indicating small study effects. No publication, bias was detected on visual inspection of the funnel plots or the Begg's and Egger's bias tests. Most studies were categorized as having a low risk of bias using Joanna Briggs Institute checklists. CONCLUSIONS In selected patient groups, sedation can increase the success rate of radiologic enema reduction in children with ileocolic intussusception without evidence of increased risk of perforation. Systematic review protocol registration: PROSPERO CRD42023404887.
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Wahedi R, Willems S, Feldhege J, Jularic M, Hartmann J, Anwar O, Dickow J, Harloff T, Gessler N, Gunawardene MA. Pulsed-field versus cryoballoon ablation for atrial fibrillation-Impact of energy source on sedation and analgesia requirement. J Cardiovasc Electrophysiol 2024; 35:162-170. [PMID: 38009545 DOI: 10.1111/jce.16141] [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: 07/27/2023] [Revised: 11/07/2023] [Accepted: 11/12/2023] [Indexed: 11/29/2023]
Abstract
INTRODUCTION Pulsed field ablation (PFA) represents a novel, nonthermal energy modality that can be applied for single-shot pulmonary vein isolation (PVI) in atrial fibrillation (AF). Comparative data with regard to deep sedation to established single-shot modalities such as cryoballoon (CB) ablation are scarce. The aim of this study was to compare a deep sedation protocol in patients receiving PVI with either PFA or CB. METHODS Prospective, consecutive AF patients undergoing PVI with a pentaspline PFA catheter were compared to a retrospective CB-PVI cohort of the same timeframe. Study endpoints were the requirements of analgesics, cardiorespiratory stability, and sedation-associated complications. RESULTS A total of 100 PVI patients were included (PFA n = 50, CB n = 50, mean age 66 ± 10.6, 61% male patients, 65% paroxysmal AF). Requirement of propofol, midazolam, and sufentanyl was significantly higher in the PFA group compared to CB [propofol 0.14 ± 0.04 mg/kg/min in PFA vs. 0.11 ± 0.04 mg/kg/min in CB (p = .001); midazolam 0.00086 ± 0.0004 mg/kg/min in PFA vs. 0.0006295 ± 0.0003 mg/kg/min in CB (p = .002) and sufentanyl 0.0013 ± 0.0007 µg/kg/min in PFA vs. 0.0008 ± 0.0004 µg/kg/min in CB (p < .0001)]. Sedation-associated complications did not differ between both groups (PFA n = 1/50 mild aspiration pneumonia, CB n = 0/50, p > .99). Nonsedation-associated complications (PFA: n = 2/50, 4%, CB: n = 1/50, 2%, p > .99) and procedure times (PFA 75 ± 31, CB 84 ± 32 min, p = .18) did not differ between groups. CONCLUSIONS PFA is associated with higher sedation and especially analgesia requirements. However, the safety of deep sedation does not differ to CB ablation.
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Gomes VH, Peixoto AJ, EdosSL Fernandes M, de Souza Campos AC, Coelho CM, da Silva MF. Evaluation of lidocaine administration into the ovarian pedicle for the control of intraoperative and early postoperative pain during ovariohysterectomy in dogs. Vet Anaesth Analg 2024; 51:64-70. [PMID: 37919174 DOI: 10.1016/j.vaa.2023.07.002] [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: 01/30/2023] [Revised: 07/10/2023] [Accepted: 07/11/2023] [Indexed: 11/04/2023]
Abstract
OBJECTIVE To evaluate effects of lidocaine 2% administration into the ovarian pedicle on intraoperative nociception and early postoperative pain in dogs undergoing ovariohysterectomy. STUDY DESIGN Prospective, randomized, blinded clinical study. ANIMALS A total of 20 healthy adult female dogs of different breeds. METHODS Dogs were premedicated with acepromazine (0.02 mg kg-1) and morphine (0.5 mg kg-1) intramuscularly, anesthesia induced with propofol and maintained with isoflurane. Dogs were randomly assigned to be administered 2 mL of saline (group S) or lidocaine 2% (group L) into the mesovarium (1 mL each side). Heart rate (HR) and noninvasive systemic arterial pressure were recorded before surgery (T0), before (T1) and during ligation of the right ovarian pedicle (T2), before (T3) and during ligation of the left ovarian pedicle (T4). Rescue treatment (propofol) was administered if HR or systolic arterial pressure (SAP) increased by 20% compared with the previous time point. Pain, assessed with the Glasgow Composite Measure Pain Scale-Short Form (CMPS-SF) was recorded before premedication (baseline) and after extubation. Administration of postoperative rescue analgesia was recorded. RESULTS In group S, HR was higher at T2 than T1 (112 ± 18 versus 89 ± 21 beats minute-1, p = 0.001) There were no significant differences between treatments at any time. SAP was higher at T2 than T1 in group S (110 ± 12 versus 100 ± 10 mmHg, p = 0.031). SAP was higher in group S than group L at T3 (113 ± 12 and 91 ± 10 mmHg, respectively, p = 0.001). No dogs required propofol intraoperatively. All dogs required postoperative rescue analgesia. Compared with baseline, CMPS-SF increased 60 minutes after extubation (group S; p = 0.019, group L; p = 0.043). CONCLUSIONS AND CLINICAL RELEVANCE Administration of lidocaine 2% into the mesovarium did not reduce intraoperative nociception and did not improve postoperative analgesia.
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O'Reilly D, Naughton R, Lavelle A. Delirium in older patients given propofol or sevoflurane anaesthesia for major cancer surgery: a multicentre randomised trial. Comment on Br J Anaesth 2023; 131: 253-65. Br J Anaesth 2024; 132:164-165. [PMID: 37866982 DOI: 10.1016/j.bja.2023.09.024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2023] [Revised: 09/19/2023] [Accepted: 09/26/2023] [Indexed: 10/24/2023] Open
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Rossetti AO, Claassen J, Gaspard N. Status epilepticus in the ICU. Intensive Care Med 2024; 50:1-16. [PMID: 38117319 DOI: 10.1007/s00134-023-07263-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2023] [Accepted: 10/26/2023] [Indexed: 12/21/2023]
Abstract
Status epilepticus (SE) is a common medical emergency associated with significant morbidity and mortality. Management that follows published guidelines is best suited to improve outcomes, with the most severe cases frequently being managed in the intensive care unit (ICU). Diagnosis of convulsive SE can be made without electroencephalography (EEG), but EEG is required to reliably diagnose nonconvulsive SE. Rapidly narrowing down underlying causes for SE is crucial, as this may guide additional management steps. Causes may range from underlying epilepsy to acute brain injuries such as trauma, cardiac arrest, stroke, and infections. Initial management consists of rapid administration of benzodiazepines and one of the following non-sedating intravenous antiseizure medications (ASM): (fos-)phenytoin, levetiracetam, or valproate; other ASM are increasingly used, such as lacosamide or brivaracetam. SE that continues despite these medications is called refractory, and most commonly treated with continuous infusions of midazolam or propofol. Alternatives include further non-sedating ASM and non-pharmacologic approaches. SE that reemerges after weaning or continues despite management with propofol or midazolam is labeled super-refractory SE. At this step, management may include non-sedating or sedating compounds including ketamine and barbiturates. Continuous video EEG is necessary for the management of refractory and super-refractory SE, as these are almost always nonconvulsive. If possible, management of the underlying cause of seizures is crucial particularly for patients with autoimmune encephalitis. Short-term mortality ranges from 10 to 15% after SE and is primarily related to increasing age, underlying etiology, and medical comorbidities. Refractoriness of treatment is clearly related to outcome with mortality rising from 10% in responsive cases, to 25% in refractory, and nearly 40% in super-refractory SE.
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Jensen CB, Gromov K, Foss NB, Kehlet H, Pleckaitiene L, Varnum C, Troelsen A. Spinal anaesthesia versus general anaesthesia (SAGA) on recovery after hip and knee arthroplasty: A study protocol for three randomized, single-blinded, multi-centre, clinical trials. Acta Anaesthesiol Scand 2024; 68:137-143. [PMID: 37743099 DOI: 10.1111/aas.14331] [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: 08/28/2023] [Accepted: 09/03/2023] [Indexed: 09/26/2023]
Abstract
Mobilisation difficulties, due to muscle weakness, and urinary retention are common reasons for prolonged admission following hip and knee arthroplasty procedures. Whether spinal anaesthesia is detrimental to early mobilisation is controversial. Previous studies have reported differences in post-operative recovery between spinal anaesthesia and general anaesthesia; however, up-to-date comparisons in fast-track setups are needed. Our randomized, single-blinded, multi-centre, clinical trials aim to compare the post-operative recovery after total hip (THA), total knee (TKA), and unicompartmental knee arthroplasties (UKA) respectively when using either spinal anaesthesia (SA) or general anaesthesia (GA) in a fast-track setup. Included patients (74 THA, 74 TKA, and 74 UKA patients) are randomized (1:1) to receive either SA (2 mL 0.5% Bupivacaine) or GA (Induction: Propofol 1.0-2.0 mg/kg iv with Remifentanil 3-5 mcg/kg iv. Infusion: Propofol 3-5 mg/kg/h and Remifentanil 0.5 mcg/kg/min iv). Patients undergo standard primary unilateral hip and knee arthroplasty procedures in an optimized fast-track setup with intraoperative local infiltrative analgesia in TKA and UKA, post-operative multimodal opioid sparing analgesia, immediate mobilisation with full weightbearing, no drains and in-hospital only thromboprophylaxis. Data will be collected on the day of surgery and until patients are discharged. The primary outcome is the ability to be safely mobilised during a 5-m walking test within 6 h of surgery. Secondary outcomes include fulfilment of discharge criteria, post-operative pain, dizziness, and nausea as well as patient reported recovery and opioid related side effects. Data will also be gathered on all hospital contacts within 30-days of surgery. This study will offer insights into advantages and disadvantages of anaesthetic methods used in fast-track arthroplasty surgery.
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