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  1. Ng YL, Segaran S, Yim CCW, Lim BK, Hamdan M, Gan F, et al.
    Am J Obstet Gynecol, 2024 Dec;231(6):651.e1-651.e11.
    PMID: 38521233 DOI: 10.1016/j.ajog.2024.03.018
    BACKGROUND: Contemporary guidance for preoperative feeding allows solids up to 6 hours and clear fluids up to 2 hours before anesthesia. Clinical trial evidence to support this approach for cesarean delivery is lacking. Many medical practitioners continue to follow conservative policies of no intake from midnight to the time of surgery, especially in pregnant women.

    OBJECTIVE: This study aimed to evaluate the pragmatic approach of permitting free access to water up to the call to dispatch to the operating theater vs fasting from midnight in preoperative oral intake restriction for planned cesarean delivery under spinal anesthesia on perioperative vomiting and maternal satisfaction.

    STUDY DESIGN: A randomized controlled trial was conducted in the obstetrical unit of the University of Malaya Medical Centre from October 2020 to May 2022. A total of 504 participants scheduled for planned cesarean delivery were randomized: 252 undergoing preoperative free access to water up to the call to dispatch to the operating theater (intervention group) and 252 undergoing fasting from midnight (fasting arm). The primary outcomes were perioperative vomiting and maternal satisfaction. Analyses were performed using t test, Mann-Whitney U test, and chi-square test, as appropriate.

    RESULTS: Of note, 9 of 252 patients (3.6%) in the intervention group and 24 of 252 patients (9.5%) in the control group had vomiting at up to 6 hours after completion of cesarean delivery (relative risk, 0.38; 95% confidence interval, 0.18-0.79; P=.007), and the maternal satisfaction scores (0-10 visual numerical rating scale) were 9 (interquartile range, 8-10) in the intervention group and 5 (interquartile range, 3-7) in the control group (P

    Matched MeSH terms: Postoperative Nausea and Vomiting/epidemiology
  2. Sawi W, Choy YC
    Middle East J Anaesthesiol, 2013 Feb;22(1):21-6.
    PMID: 23833846
    BACKGROUND: This was a double-blinded, prospective randomized controlled trial to compare the postoperative analgesia, side effects profile and overall satisfaction in patients who received intrathecal fentanyl with or without morphine for elective Caesarean.
    METHODS: Sixty ASA I and II parturients were randomized into two groups. Group I received intrathecal fentanyl with 0.1 mg morphine and Group II received intrathecal fentanyl only. Postoperatively, all patients were provided with oral analgesics. The degree of post-operative pain score was assessed by verbal pain score. The incidence of side effects was assessed every 4 hours for 24 hours, which included incidence of nausea, vomiting, pruritus, sedation and evidence of respiratory depression. Patient's overall satisfaction was also recorded.
    RESULTS: The verbal pain score was significantly lower in morphine group up to 20 hours postoperative period. The incidence of pruritus, nausea and vomiting were statistically significant up to 12 hours postoperative. There was no incidence of severe side effects in all the patients. There was significant difference between the morphine and no morphine group in terms of overall patient satisfaction.
    CONCLUSION: There was significant difference in terms of lower pain score, higher incidence of side effects with better patients' overall satisfaction in morphine group.
    Matched MeSH terms: Postoperative Nausea and Vomiting/epidemiology
  3. Lai LL, Teh MS, Beh ZY, Lim WL, Lim SM, Soh WQ, et al.
    World J Surg, 2024 Dec;48(12):2799-2810.
    PMID: 39444164 DOI: 10.1002/wjs.12364
    INTRODUCTION: This study aims to establish, execute, and assess the effectiveness of a perioperative enhanced recovery after surgery (ERAS) clinical care pathway in breast reconstruction patients with LD flap breast cancer treatment. The goal is to improve early recovery outcomes, reduce hospitalization time, and enhance patient satisfaction by implementing a standardized approach to postoperative care.

    METHODS: This study was conducted at the University of Malaya Medical Center. The outcomes of 21 breast cancer patients who underwent autologous reconstructive breast surgery with the latissimus dorsi (LD) flap within six months before the implementation of the ERAS pathway (pre-ERAS) were compared with 26 patients who underwent the same surgery with the ultrasound-guided erector spinae plane (ESP) block for the (ERAS protocol implementation) cohort. The study was conducted from November 2019 to October 2020. The length of hospital stay, amount of analgesic usage, and incidence of postoperative nausea vomiting (PONV) were recorded.

    RESULTS: The implementation of the ERAS clinical care pathway resulted in shorter hospital stays compared with the preceding care. On average, ERAS patients were mostly discharged on Day 2 post-surgery, whereas pre-ERAS patients were mostly discharged on Day 7. ERAS patients had a lower incidence of PONV from Days 1 to 5, starting with 88.5% not experiencing the condition on Days 1 and 2 and increasing to 100% on Day 5. All pre-ERAS patients experienced PONV in the first 5 days post-surgery. Fewer ERAS patients required antiemetics post-surgery (88.5%) compared with pre-ERAS patients (42.9%).

    CONCLUSION: The implementation of the ERAS protocol as part of clinical care in autologous reconstructive breast surgery with the LD flap can improve recovery by shortening hospital stay, decreasing the use of analgesia, and alleviating PONV.

    Matched MeSH terms: Postoperative Nausea and Vomiting/epidemiology
  4. Chiang CF, Hasan MS, Tham SW, Sundaraj S, Faris A, Ganason N
    J Clin Anesth, 2017 Jun;39:82-86.
    PMID: 28494915 DOI: 10.1016/j.jclinane.2017.03.025
    STUDY OBJECTIVE: The purpose of this investigation was to determine if a slower speed of spinal anaesthesia injection would reduce the incidence of hypotension.

    STUDY DESIGN: Randomised controlled trial.

    SETTING: Tertiary level hospital in Malaysia.

    PATIENTS: 77 patients undergoing elective Caesarean delivery.

    INTERVENTION: Differing speeds of spinal injection.

    MEASUREMENTS: Systolic blood pressure was assessed every minute for the first 10min and incidence of hypotension (reduction in blood pressure of >30% of baseline) was recorded. The use of vasopressor and occurrence of nausea/vomiting were also recorded.

    MAIN RESULTS: 36 patients in SLOW group and 41 patients in FAST group were recruited into the study. There was no significant difference in blood pressure drop of >30% (p=0.497) between the two groups. There was no difference in the amount of vasopressor used and incidence of nausea/vomiting in both groups.

    CONCLUSION: In our study population, there was no difference in incidence of hypotension and nausea/vomiting when spinal injection time is prolonged beyond 15s to 60s.

    TRIAL REGISTRATION: ClinicalTrials.govNCT02275897. Registered on 15 October 2014.

    Matched MeSH terms: Postoperative Nausea and Vomiting/epidemiology
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