Efficacy of Thoracic Paravertebral Block in the Reduction of Acute Post-surgical Pain in Patients With Breast Cancer
Breast Cancer
About this trial
This is an interventional treatment trial for Breast Cancer focused on measuring Paravertebral, Single injection, Breast surgery, Analgesia
Eligibility Criteria
Inclusion Criteria:
- Women older than 18 years.
- Diagnosis of breast cancer requiring major elective surgery: unilateral mastectomy with or without axillary dissection; with or without axillary sentinel node biopsy; with or without immediate breast reconstruction.
- Willingness to participate in the study during the follow-up period.
Exclusion Criteria:
- Metastatic breast carcinoma; tumor involvement of contra lateral breast or armpit determined by clinical or paraclinical studies.
- Medical History of coagulopathy.
- Consumption of anticoagulants.
- Contraindication to NSAIDs or opioids.
- Allergy to local anesthetics of amide type.
- Infection a interventions sites (paravertebral block or area affected breast surgical wound)
- Pregnancy and lactation.
- BMI>35.
- Parkinson's disease, Alzheimer's disease or other diseases that affect the mental or motor sphere.
- Double mastectomy or mastectomy history of previous ipsilateral to the current episode.
- Preoperative risk classification ASA IV-V.
Sites / Locations
- Instituto de Cancerología IDC Las Américas
Arms of the Study
Arm 1
Arm 2
Experimental
Active Comparator
Thoracic Paravertebral Block
Surgical Wound Infiltration
to identify the thoracic T3, a parallel line 2.5 cm from the spinous process is drawn and in this place the ultrasound sensor is placed. Ultrasonograph image identifies the transverse process, the intercostal cost-transverse ligament, the pleura and lung. We proceed to insert a needle between the two corresponding transverse processes and positions after passing the cost-ligament posterior intercostal and transverse to the parietal pleura. After negative aspiration for blood, 0.5% bupivacaine anesthetic is administered at doses of 1.5 mg/kg slowly. The volume is defined by the anesthesiologist. The injection of anesthetic is displayed, as well as confirmation of the correct location of the needle because the volume injected above pushes the pleura.
before the close of the skin, it proceeds to infiltrate the subcutaneous tissue and skin with 0.5% bupivacaine at doses of 1.5 mg/kg, generating the widest possible dissemination of the bupivacaine in the surgical area.