Pectoral Nerve Blockade in Mastectomy
Status: WITHDRAWN
Study type: INTERVENTIONAL
Conditions: Postoperative Pain|Breast Cancer
Interventions: DRUG: Paravertebral nerve block: 4 mL ropivacaine 0.5% at each of six levels|DRUG: 10 cc of 0.375% ropivacaine pectoral nerve block
Sponsor: Timothy R Petersen