Morphine and/or Nalbuphine as Adjuvants in Ultrasound Guided Interscalene Block: for Shoulder Surgeries

Adjuvants to Ultrasonic Guided Interscalene Block In Arthroscopic Rotator Cuff Repair; Morphine and/or Nalbuphine

the aim of this study is to evaluate the duration of analgesia when either morphine or nalbuphine or both are used as adjuvants in sonar guided interscalene brachial plexus block for arthroscopic rotator cuff repair.

Inclusion Criteria:

• Patients scheduled for arthroscopic repair of rotator cuff muscle tear of the shoulder.
• ASA physical status I - Ш.

Exclusion Criteria:

• Infection at the site of injection.
• Coagulopathy or other bleeding diathesis.
• Known allergy to drugs in the study
• Preexisting neurologic deficits in the area to be blocked.
• Inability to communicate with the investigator and the hospital staff.
• History of chronic opioid use.
• Morbid obesity BMI>40.