Postoperative nausea and vomiting. Vomiting following gastrointestinal surgery
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Women aged 18 to 60 years American Society of Anesthesiologists (ASA) physical status class I or II Body mass index (BMI) between 20 and 30 Non-smokers Candidates for hysterectomy under general anesthesia No history of nausea or vomiting within 24 hours prior to surgery
Exclusion criteria
Exclusion criteria: Pregnancy or breastfeeding Psychiatric disorders or substance abuse (self-reported) Chronic pain syndromes Self-medication with antiemetics, opioids, or corticosteroids within 3 days before surgery Presence of a cardiac pacemaker Infection at the needle insertion site Surgery duration exceeding 3 hours
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The Prevalence of Postoperative Nausea and Vomiting (PONV). Timepoint: At 4, 8, 12, and 24 hours after surgery. Method of measurement: Direct questioning of patients using the following questions:'Did you feel nauseous at any time since your last visit?''Did you vomit during this period?.;Nausea Severity. Timepoint: It will be evaluated and documented at 4, 8, 12, and 24 hours after surgery. Method of measurement: Assessment using a 100-millimeter Visual Analogue Scale where patients mark their symptom intensity on a straight line.;Need for Postoperative Antiemetic Drugs. Timepoint: 0–4 hours, 4–8 hours, 8–12 hours, and 12–24 hours after surgery. Method of measurement: Counting the number of patients who received antiemetic drugs and their dosage. | — |
Countries
Iran (Islamic Republic of)
Contacts
Shahroud University of Medical Sciences