Postoperative pain
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Female gender; age between 18 and 75 years; unilateral breast quadrantectomy or sectorectomy with or without axillary lymphadenectomy; signed informed consent form; elective surgery
Exclusion criteria
Exclusion criteria: Known allergy or hypersensitivity to local anesthetics such as ropivacaine or related agents; infection at the puncture site; coagulopathy or use of anticoagulants that contraindicate regional anesthesia; previous breast surgery; patient refusal to participate in the study; cognitive or psychiatric disorders that impair understanding of the Visual Analogue Scale; bilateral or radical breast surgery; BMI greater than 40 kg/m²; body weight below 37.5 kg
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| A reduction in postoperative pain is expected to be observed when comparing the two patient groups, quantified using the Visual Analogue Scale (VAS), applied at three time points: 0, 2, and 24 hours, considering a difference of 2 points on the scale | — |
Secondary
| Measure | Time frame |
|---|---|
| A reduction in postoperative rescue opioid consumption (in milligrams of morphine equivalents) is expected in the experimental group.;To evaluate the presence or absence of nausea and vomiting comparatively between patients in both groups.;A reduction in complications, presence or absence of hematoma, infection, or anesthetic toxicity is expected in patients in the experimental group.;Better patient satisfaction (on a 0 to 10 scale) is expected among those in the experimental group | — |
Countries
Brazil
Contacts
Faculdade de Medicina de Botucatu