0.05 mg Versus 0.1 mg Spinal Morphine for Reducing Morphine Requirement After Vaginal Hysterectomy

0.05 vs. 0.1 Milligram Spinal Morphine for Reducing Morphine Requirement After Vaginal Hysterectomy With/Without Anterior and Posterior Vaginoplasty

This study aims to compare the effect of spinal morphine between the dose 0.05 mg and 0.1 mg on the amount of morphine during the first 24 hours postoperative.

Inclusion Criteria:

• Female ASA 1-3
• Undergoing vaginal hysterectomy with/without anterior and posterior vaginoplasty
• Can operate PCA device

Exclusion Criteria:

• History of allergy to the study drugs
• History of bleeding tendency
• History of infection at the back
• Patient refuse to have spinal anesthesia
• History of CAD or CVD