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Opioids are widely used for pain relief after major abdominal surgeries[1]. Sex differences in the opioid analgesia have been reported and investigated in human subjects and animal models In this study, effects of sex difference on response to opioid analgesics after abdominal surgeries will be assessed regarding; analgesic duration (primary variable), frequency of analgesic requirement, total opioid consumption, Opioid related complications (respiratory depression, Nausea & vomiting, itching, over-sedation, delayed intestinal motility).
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Male group | Active Comparator | All male patients scheduled for upper abdominal surgeries |
|
| Female group | Active Comparator | All female patients scheduled for upper abdominal surgeries |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| postoperative morphine | Drug | Postoperatively, A loading dose of morphine will be given in incremental doses of 1 mg 5 min apart, till the VAS score reached ≤3. The dose of morphine required to reduce the VAS score to ≤3 will be recorded. Subsequently, PCA pump will be configured to deliver a bolus of 1 mg with a lock-out period lasting for 20 min. |
| Measure | Description | Time Frame |
|---|---|---|
| postoperative morphine consumption | 24 hours after surgery |
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Inclusion Criteria:
Exclusion Criteria:
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| ID | Term |
|---|---|
| D010309 | Parotitis |
| ID | Term |
|---|---|
| D010305 | Parotid Diseases |
| D012466 | Salivary Gland Diseases |
| D009059 | Mouth Diseases |
| D009057 | Stomatognathic Diseases |
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|
| D012793 |
| Sialadenitis |