Clinical Trial
Conditions
Brief summary
To determine the optimal dosage of Melatonin for preoperative sedation in patients undergoing FESS.
Interventions
comparison between placebo and different melatonin doses(3-5-10 mg)
Sponsors
Study design
Intervention model description
randomized controlled trial
Eligibility
Inclusion criteria
\- ASA 1 ASA 2 patients scheduled for elective FESS under general anesthesia
Exclusion criteria
* hypersensitivity or contraindication to the drug * Severe psychiatric disorders. * Regular use of sedatives or analgesics. * Pregnancy or breastfeeding * Significant systemic diseases such as severe cardiovascular, hepatic, or renal dysfunction.
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| preoperative sedation using ramsay sedation scale | just before intravenous anesthetic induction and one hour after recovery | assess of sedation pre-induction of anesthesia and one hour after recovery |
Secondary
| Measure | Time frame | Description |
|---|---|---|
| perioperative anxiety using The six-item State-Trait Anxiety Inventory (STAI-6) scale | Baseline one hour before surgery, just before induction of anaesthesia and one hour after recovery | Questionnaire assessment of anxiety |
| Measuring heart rate in beat/min | Baseline and perioperative | Effect of preoperative different doses of melatonin on heart rate as a part of hemodynamic stability |
| Measuring blood pressure (systolic, diastolic and mean arterial pressure) in mmHg | Baseline and perioperative | Effect of preoperative different doses of melatonin on blood pressure as a part of hemodynamic stability |
| Measuring oxygen saturation (in percentage) using pulse oximeter | Baseline and perioperative | Effect of preoperative different doses of melatonin on oxygen saturation as a part of hemodynamic stability |
| Postoperative pain assessment using Visual Analogue score of pain | 1,2,4and6 hours postoperative | Assessment of the effect of melatonin on postoperative pain management |
Countries
Egypt