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Opioid-free anaesthesia may enhance postoperative recovery by reducing opioid-related side effects such as nausea, hyperalgesia or tolerance. The objective was to investigate the impact of multimodal opioid-free general anaesthesia on postoperative nausea, vomiting, pain and morphine consumption compared to the traditional opioid-based approach. This study was conducted as a prospective parallel-group randomised controlled trial. Perioperative Care. 152 adult women undergoing elective inpatient gynaecological laparoscopy. Patients were randomly assigned for opioid-free anaesthesia (Group OF) with dexmedetomidine, esketamine and sevoflurane or to have opioid-based anaesthesia (Group C) with sufentanil and sevoflurane. Primary outcome was the occurrence of nausea within 24 h after surgery. Patients were assessed for the incidence and severity of PONV, postoperative pain and morphine consumption and recovery characteristics. Patients in both groups had comparable clinical and surgical data. 69.7% of patients in the control group and 68.4% of patients in the opioid-free group met the primary endpoint (OR 1.06, 95% Confidence Interval (CI) (0.53; 2.12) p = 0.86). The incidence of clinically important PONV defined by the PONV impact scale was 8.1% (Group C) vs 10.5% (OF); p = 0.57). Antiemetic requirements, pain scores and morphine consumption were equivalent in both groups. Postoperative sedation was significantly increased in group OF (p < 0.001), and the median length of stay at the post-anaesthesia care unit was 69.0 min (46.5–113.0) vs 50.0 (35.3–77.0) minutes in the control group (p < 0.001). Opioid-free multimodal general anaesthesia is feasible but did not decrease the incidence of PONV, or reduce pain scores and morphine consumption compared to an opioid-containing anaesthetic regimen. •This trial assessed opioid-free anaesthesia in comparison to opioid-based anaesthesia for gynaecological laparoscopy.•Both study groups did not differ with respect to postoperative nausea and vomiting, pain or morphine consumption.•Multimodal general anaesthesia was associated with an increased time to discharge from the post-anaesthesia care unit.

Erector spinae plane (ESP) block is a novel regional anesthesia technique and gaining importance for postoperative pain management. Since it was first described, the clinicians wonder if this new simple technique can replace paravertebral block (PVB). We aimed to compare the postoperative analgesic effect of ESP block and PVB with a control group in breast surgeries. Randomized controlled trial. Operating room. Seventy-five ASA I–II patients aged 25–65, who were scheduled to go under elective unilateral breast surgery for breast cancer were included to the study. Patients were randomized into three groups as ESP, PVB, and Control group. Ultrasound (US) guided ESP block and PVB with 20 ml 0.25% bupivacaine was done preoperatively to the patients according to their groups. All patients were provided with iv patient-controlled analgesia device for postoperative analgesia. Morphine consumptions and numeric rating scale (NRS) scores for pain were recorded at 1st, 6th, 12th and 24th hours postoperatively. There was a statistically significant difference between ESP and Control groups (p < 0,001) and between PVB and Control groups (p < 0,001), while there was no difference between ESP and PVB groups (p > 0,05) for 24-hour morphine consumptions. There was a significant difference between PVB and Control groups for NRS at postoperative 1st and 6th hour (p = 0.018 and p = 0.027 respectively). This study has shown that US guided ESP block and PVB provided adequate analgesia in patients undergoing breast surgery and have an opioid sparing effect by reducing morphine consumption. Clinical Trials Registry: NCT03480958. •ESP block provides effective analgesia in breast surgery.•ESP block has lower risk of complications compared to TPV block.•Both ESP block and TPV block have a similar analgesic effect in breast surgery.

Introduction In current study we assessed the effect of transcutaneous electrical acupoint stimulation (TEAS) on the quality of early recovery in patients undergoing gynecological laparoscopic surgery. Methods Sixty patients undergoing gynecological laparoscopic surgery were randomly assigned to TEAS (TEAS group) or control group (Con group). TEAS consisted of 30 min of stimulation (12–15 mA, 2/100 Hz) at the acupoints of Baihui (GV20), Yingtang (EX-HN-3), Zusanli (ST36) and Neiguan (PC6) before anesthesia. The patients in the Con group had the electrodes applied, but received no stimulation. Quality of recovery was assessed using a 40-item questionnaire as a measure of quality of recovery (QoR-40; maximum score 200) scoring system performed on preoperative day 1 (T0), postoperative day 1 (T1) and postoperative day 2 (T2); 100-mm visual analogue scale (VAS) scores at rest, mini-mental state examination (MMSE) scores, the incidence of nausea and vomiting, postoperative pain medications, and antiemetics were also recorded. Results: QoR-40 and MMSE scores of T0 showed no difference between two groups (QoR-40: 197.50 ± 2.57 vs. 195.83 ± 5.17), (MMSE: 26.83 ± 2.74 vs. 27.53 ± 2.88). Compared with the Con group, QoR-40 and MMSE scores of T1 and T2 were higher in the TEAS group ( P  < 0.05) (QoR-40: T1, 166.07 ± 8.44 vs. 175.33 ± 9.66; T2, 187.73 ± 5.47 vs. 191.40 ± 5.74), (MMSE: T1, 24.60 ± 2.35 vs. 26.10 ± 2.78; T2, 26.53 ± 2.94 vs. 27.83 ± 2.73). VAS scores of T1 and T2 were lower ( P  < 0.05) in the TEAS group (T1, 4.73 ± 1.53 vs. 3.70 ± 1.41; T2, 2.30 ± 0.95 vs. 1.83 ± 0.88); the incidence of postoperative nausea and vomiting (PONV), remedial antiemetics and remedial analgesia was lower in the TEAS group ( P  < 0.05) (PONV: 56.7% vs. 23.3%; incidence of remedial antiemetics: 53.3% vs. 23.3%; incidence of remedial analgesia: 80% vs. 43.3%). Conclusion The use of TEAS significantly promoted the quality of early recovery, improved MMSE scores and reduced the incidence of pain, nausea and vomiting in patients undergoing gynecological laparoscopic surgery. Trial registration ClinicalTrials.gov, NCT02619578. Registered on 2 December 2015. Trial registry name: https://clinicaltrials.gov

To evaluate if adding esketamine and clonidine has positive effects on postoperative pain, postoperative nausea and vomiting, and quality of recovery in patients who are at high risk for postoperative pain. Patient- and assessor-blinded, superiority, randomised controlled trial. Single centre between 2022 and 2024. 125 adult patients, ASA I – II, planned for elective laparoscopic surgery and risk-classified as high risk of pain, based on perceived pain associated with venous cannulation. Patients were randomised to either an anaesthesia protocol, including an intravenous bolus of esketamine (0.25 mg.kg−1) after induction and clonidine (1 μg.kg−1) during maintenance phase (EC), or standard of care (SOC) no esketamine or clonidine included. Primary outcome: worst pain intensity in the PACU. Secondary outcomes: worst pain, and proportion having NRS ≥ 4, at 24 h (during rest and movement), worst pain and proportion having NRS ≥ 1, at 3- and 6-months (during rest and movement), postoperative recovery at 24 h, PONV in the PACU and at 24 h. Rescue dose opioids in the PACU was an exploratory outcome. Worst pain scores in the PACU were 5.7 in the EC group and 5.5 in SOC group (P = 0.78). After 24 h, no difference in postoperative pain (rest; 5.8 vs 6.1, P = 0.35, movement; 6.1 vs 6.2, P = 0.68), postoperative recovery (P = 0.92) or PONV (P = 0.80) was found. Proportion of patients with NRS ≥ 4 in the PACU was 50 % vs 48 % (P = 0.55) and at 24 h 73 % vs 81 % at rest (P = 0.27) and 76 % vs 81 % during movement (P = 0.50). Rescue opioids in the PACU were similar (5.9 mg vs 6.6 mg, P = 0.47). There were no differences in persistent pain at 3 or 6 months at rest (P = 0.72, P = 0.12) or movement (P = 0.48, P = 0.18). Adding esketamine and clonidine, as an individualised multimodal anaesthesia strategy, did not influence acute or persistent postoperative pain, early recovery, need of rescue opioids or PONV in patients, who were assessed as high risk for APOP. [Display omitted] •Adding esketamine and clonidine did not improve APOP in patients predicted as high-risk for postoperative pain.•Adding esketamine and clonidine did not improve recovery or PONV in patients predicted as high-risk for postoperative pain.•The pursuit for individualised anaesthesia and analgesia needs further refinement.

Background and objectivesTo investigate the possible effect of postoperatively applied analgesics—epidurally applied levobupivacaine or intravenously applied morphine—on systemic inflammatory response and plasma concentration of interleukin (IL)-6 and to determine whether the intensity of inflammatory response is related to postoperative cognitive dysfunction (POCD).MethodsThis is a randomized, prospective, controlled study in an academic hospital. Patients were 65 years and older scheduled for femoral fracture fixation from July 2016 to September 2017. Inflammatory response was assessed by leukocytes, neutrophils, C reactive protein (CRP) and fibrinogen levels in four blood samples (before anesthesia, 24 hours, 72 hours and 120 hours postoperatively) and IL-6 concentration from three blood samples (before anesthesia, 24 hours and 72 hours postoperatively). Cognitive function was assessed using the Mini-Mental State Examination preoperatively, from the first to the fifth postoperative day and on the day of discharge.ResultsThe study population included 70 patients, 35 in each group. The incidence of POCD was significantly lower in the levobupivacaine group (9%) than in the morphine group (31%) (p=0.03). CRP was significantly lower in the levobupivacaine group 72 hours (p=0.03) and 120 hours (p=0.04) after surgery. IL-6 values were significantly lower in the levobupivacaine group 72 hours after surgery (p=0.02). The only predictor of POCD in all patients was the level of IL-6 72 hours after surgery (p=0.03).ConclusionsThere is a statistically significant association between use of epidural levobupivacaine and a reduction in some inflammatory markers. Postoperative patient-controlled epidural analgesia reduces the incidence of POCD compared with intravenous morphine analgesia in the studied population.Trial registration numberNCT02848599.

This study aims to evaluate the effect of perioperative liberal drinking management, including preoperative carbohydrate loading (PCL) given 2 h before surgery and early oral feeding (EOF) at 6 h postoperatively, in enhancing postoperative gastrointestinal function and improving outcomes in gynecologic patients. The hypotheses are that the perioperative liberal drinking management accelerates the recovery of gastrointestinal function, enhances dietary tolerance throughout hospitalization, and ultimately reduces the length of hospitalization. A prospective randomized controlled trial. Operating room and gynecological ward in Wuhan Union Hospital. We enrolled 210 patients undergoing elective gynecological laparoscopic surgery, and 157 patients were included in the final analysis. Patients were randomly allocated in a 1:1:1 ratio into three groups, including the control, PCL, and PCL-EOF groups. The anesthetists and follow-up staff were blinded to group assignment. The primary outcome was the postoperative Intake, Feeling nauseated, Emesis, Examination, and Duration of symptoms (I-FEED) score (range 0 to 14, higher scores worse). Secondary outcomes included the incidence of I-FEED scores >2, and other additional indicators to monitor postoperative gastrointestinal function, including time to first flatus, time to first defecation, time to feces Bristol grade 3–4, and time to tolerate diet. Additionally, we collected other ERAS recovery indicators, including the incidence of PONV, complications, postoperative pain score, satisfaction score, and the quality of postoperative functional recovery at discharge. The PCL-EOF exhibited significantly enhanced gastrointestinal function recovery compared to control group and PCL group (p < 0.05), with the lower I-FEED score (PCL: 0[0,1] vs. PCL-EOF: 0[0,0] vs. control: 1[0,2]) and the reduced incidence of I-FEED >2 (PCL:8% vs. PCL-EOF: 2% vs. control:21%). Compared to the control, the intervention of PCL-EOF protected patients from the incidence of I-FEED score > 2 [HR:0.09, 95%CI (0.01–0.72), p = 0.023], and was beneficial in promoting the patient's postoperative first flatus [PCL-EOF: HR:3.33, 95%CI (2.14–5.19),p < 0.001], first defecation [PCL-EOF: HR:2.76, 95%CI (1.83–4.16), p < 0.001], Bristol feces grade 3–4 [PCL-EOF: HR:3.65, 95%CI (2.36–5.63), p < 0.001], first fluid diet[PCL-EOF: HR:2.76, 95%CI (1.83–4.16), p < 0.001], and first normal diet[PCL-EOF: HR:6.63, 95%CI (4.18–10.50), p < 0.001]. Also, the length of postoperative hospital stay (PCL-EOF: 5d vs. PCL: 6d and control: 6d, p < 0.001), the total cost (PCL-EOF: 25052 ± 3650y vs. PCL: 27914 ± 4684y and control: 26799 ± 4775y, p = 0.005), and postoperative VAS pain score values [POD0 (PCL-EOF: 2 vs. control: 4 vs. PCL: 4, p < 0.001), POD1 (PCL-EOF: 1 vs. control: 3 vs. PCL: 2, p < 0.001), POD2 (PCL-EOF: 1 vs. control:2 vs. PCL: 1, p < 0.001), POD3 (PCL-EOF: 0 vs. control: 1 vs. PCL: 1, p < 0.001)] were significantly reduced in PCL-EOF group. Our primary endpoint, I-FEED score demonstrated significant reduction with perioperative liberal drinking, serving as a protective intervention against I-FEED>2. Gastrointestinal recovery metrics, such as time to first flatus and defecation, also showed substantial improvements. Furthermore, the intervention enhanced postoperative dietary tolerance and expedited early recovery. Trial registration: ChiCTR2300071047(https://www.chictr.org.cn/). •Perioperative liberal drinking management includes preoperative carbohydrate loading given 2 h before surgery and early oral feeding at 6 h postoperatively.•Perioperative liberal drinking management is safe, promotes postoperative gastrointestinal function recovery, and improves diet tolerance.•Preoperative liberal drinking management reduces the length of postoperative stay and improves the quality of early recovery in gynecological patients.

Background Peripheral nerve block, including the quadratus lumborum block (QLB), has been used for postoperative analgesia in hip surgery. However, the effects of QLB on cognitive function after hip surgery remain unknown. This study aimed to assess the effects of the anterior approach to QLB on postoperative cognitive function in older people undergoing hip surgery. Methods Sixty older people who underwent hip surgery from May 2021 to May 2022 were randomly divided into the QLB (n = 30) and control groups (n = 30). The Montreal Cognitive Assessment (MoCA) score (mean ± SD) was measured one day preoperatively and seven and 30 days postoperatively. The frequency (%) of postoperative cognitive dysfunction (POCD) was examined seven and 30 days postoperatively. The visual analog scale (VAS) scores at rest and Bruggrmann comfort scale (BCS) scores [Median (IQR)] 6 h (t1), 12 h (t2), 24 h (t3), and 48 h (t4) after surgery were assessed. The plasma high mobility group box protein 1 (HMGB1) and levels of interleukin-6 (IL-6) (mean ± SD) were evaluated 1 h preoperatively (baseline) and 24 h postoperatively (day 1). The requirement for rescue analgesia [Median (IQR)], time to first off-bed activity (mean ± SD), and adverse effects after surgery were also recorded. Results Compared with the control group, the frequency of POCD was significantly lower in the QLB group seven days postoperatively (10.7% vs. 34.5%, P  = 0.033), but no difference at 30 days postoperatively (3.6% vs. 10.3%, P  = 0.319). There was no significant difference in MoCA scores between the two groups at one day preoperatively and 30 days postoperatively. However, the MoCA scores at seven days postoperatively were higher in the QLB group than in the control group (27.4 ± 1.81 vs. 26.4 ± 1.83, P  = 0.043). In the QLB group, the VAS scores at t1, t2, and t3 were lower [3(2–4) vs. 4(3–4), P  = 0.028; 3(2–3) vs. 4(3–5), P  = 0.009; 2(1–3) vs. 2(2–3), P  = 0.025], and the BCS scores at t1, t2, and t3 were higher than those in the control group [3(1–3) vs. 1(1–2), P  = 0.006; 3(2–3) vs. 2(1–3), P  = 0.011; 3(2–4) vs. 2(2–3), P  = 0.041]. The patients in the QLB group reported significantly fewer requirements for rescue analgesia [0(0–1) vs. 1(0–2), P  = 0.014]. The plasma levels of HMGB1 and IL-6 at 24 h postoperatively in the QLB group were significantly lower than in the control group (749.0 ± 185.7 vs. 842.1 ± 157.9, P  = 0.046; 24.8 ± 8.1 vs. 31.9 ± 5.5, P  < 0.001). The time to first off-bed activity from the end of surgery was shorter in the QLB group (25.3 ± 5.3 vs. 29.7 ± 6.9, P  = 0.009). There was no significant difference in the incidence of postoperative complications between the two groups. Conclusions Anterior QLB given to older people undergoing hip surgery could promote early postoperative cognitive function recovery, provide adequate postoperative analgesia, and inhibit the release of inflammatory factors. Trial registration Chictr.org.cn identifier ChiCTR2000040724 (Date of registry: 08/12/2020, prospectively registered).

Background The population of elderly individuals undergoing surgical procedures is increasing, necessitating effective postoperative management strategies. Postoperative sleep disturbance, anxiety, and depression are significant contributors to overall recovery in this demographic, especially following laparoscopic abdominal surgery. Methods This study included 200 records of elderly patients undergoing laparoscopic abdominal surgery. Patients were divided into an esketamine group, receiving intravenous esketamine, and a control group, receiving normal saline. Parameters such as surgery and anesthesia duration, fluid volume, blood loss, urine output, sleep disturbance, anxiety, depression, pain assessment, and adverse events were compared between the two groups. Results The esketamine group had significantly fewer postoperative sleep disturbances, lower anxiety and depression scores on days 1 and 3, and lower Visual Analog Scale (VAS) scores compared to the control group ( P  < 0.05). They also required less rescue analgesia, used fewer opioids, and consumed fewer non-opioid analgesics ( P  < 0.05). However, the esketamine group experienced a higher incidence of dissociative symptoms ( P  < 0.05), while other adverse events were similar between the groups. Overall, esketamine improved pain management and reduced anxiety and depression but increased the risk of dissociative symptoms. Conclusions Intravenous esketamine administration in elderly patients undergoing laparoscopic abdominal surgery was associated with reduced postoperative sleep disturbance, lower postoperative pain scores, lower anxiety and depression scores, decreased rescue analgesia requirements, reduced opioid consumption, and a lower use of non-opioid analgesic medications. Clinical trial number This clinical study was registered at Chinese Clinical Trial Registry (ChiCTR, ChiCTR2400087795).

BackgroundThe population undergoing cardiac surgery confronts challenges from uncontrolled post-sternotomy pain, with possible adverse effects on outcome. While the parasternal block can improve analgesia, its coverage may be insufficient to cover epigastric area. In this non-blinded randomized controlled study, we evaluated the analgesic and respiratory effect of adding a rectus sheath block to a parasternal block.Methods58 patients undergoing cardiac surgery via median sternotomy were randomly assigned to receive parasternal block with rectus sheath block (experimental) or parasternal block with epigastric exit sites of chest drains receiving surgical infiltration of local anesthetic (control). The primary outcome of this study was pain at rest at extubation. We also assessed pain scores at rest and during respiratory exercises, opiate consumption and respiratory performance during the first 24 hours after extubation.ResultsThe median (IQR) maximum pain scores (on a 0–10 Numeric Rate Scale (NRS)) at extubation were 4 (4, 4) in the rectus sheath group and 5 (4, 5) in the control group (difference 1, p value=0.03). Rectus sheath block reduced opioid utilization by 2 mg over 24 hours (IC 95% 0.0 to 2.0; p<0.01), reduced NRS scores at other time points, and improved respiratory performance at 6, 12, and 24 hours after extubation.ConclusionThe addition of a rectus sheath block with a parasternal block improves analgesia for cardiac surgery requiring chest drains emerging in the epigastric area.Trial registration number NCT05764616.

Adults undergoing cardiac surgery with cardiopulmonary bypass received either an intravenous balanced mixture of amino acids or placebo for up to 3 days. Amino acids reduced the occurrence of acute kidney injury.