Double-blind, Randomized Controlled Study to Assess the Analgesic Effect of 2 g of Magnesium Dipyrone (Metamizol) and Changes in Plasma Beta-endorphin Immunoreactivity Values in Patients Undergoing Elective Inguinal Herniorrhaphy Under Epidural Anesthesia.
Conditions
- Pain
- Beta-endorphin
- Dipyrone
- Hernia Surgery
Interventions
- DRUG: Dipyrone administration
- BEHAVIORAL: Pain assessment
- BIOLOGICAL: beta-endorphin immunoreactivity
- OTHER: Placebo administration
Sponsor
Antonio Martín Duce