Ultrasound Paravertebral Block in Breast Surgery.

Single Injection, Ultrasound Guided Paravertebral Block for Anesthesia in Breast Surgery.

The purpouse of the study is to determine wether Ultrasound Guided,Ens-assisted paravertebral block with single shot is a safe and reliable anesthetic technique in breast surgery.

General anaesthesia is currently the conventional technique used for breast surgery. Thoracic Paravertebral block (PVB) has been used with multiple injection.

We compared a single injection thoracic PVB with general anaesthesia (GA) in 20 consenting patients, scheduled for unilateral breast surgery.

Inclusion Criteria:

• American Society of Anesthesiologists classification I-III
• Written informed consent
• Age older than 18 years old

Exclusion Criteria:

• allergy to local anesthetics
• local sepsis