Pectoral Nerve Block Versus Paravertebral Block In The Incidence of Chronic Pain After Mastectomy:
Conditions
- Paravertebral Block
- Pectoral Nerve Block
- Chronic Pain
- Mastectomy; Lymphedema
Interventions
- PROCEDURE: thoracic paravertebral block (TPVB)
- PROCEDURE: PECS group
Sponsor
Assiut University