Ultrasound-Guided Extrafascial Versus Intrafascial Interscalene Brachial Plexus Block in Shoulder Arthroscopy

Perioperative Respiratory and Analgesic Effects of Ultrasound-Guided Extrafascial Versus Intrafascial Interscalene Brachial Plexus Block in Patients Undergoing Shoulder Arthroscopy

The aim of the study is to compare the diaphragmatic excursion and postoperative analgesia in the extrafascial versus intrafascial Interscalene brachial plexus block in patients undergoing shoulder arthroscopy.

Inclusion Criteria:

• Adult patients of both sexes aged (21-60years) with American Society of Anesthesiologists (ASA) physical status I/II scheduled for shoulder arthroscopy

Exclusion Criteria:

1. Patient refusal.
2. Pre-existing (obstructive or restrictive) pulmonary disease.
3. Bleeding disorders (coagulopathy).
4. Mental dysfunction.
5. History of allergy to local anesthetics.
6. Pregnancy
7. Body mass index (BMI) >40