To asses the effects of adding Dexmedetomidine to Ropivacaine in interscallen block.

Phase 2

Conditions: Rupture of shoulder rotator cuff.
Rotator cuff tear or rupture, not specified as traumatic
M75.1

Registration Number: IRCT20181011041308N4

Lead Sponsor: Iran University of Medical Sciences

Brief Summary: Not available

Detailed Description: Not available

Recruitment & Eligibility

Status: Pending

Sex: All

Target Recruitment: 42

Inclusion Criteria

Patients who are satisfied with their participation in the research project.
Patients undergoing elective surgery.
Patients aged between 18 and 60 years.

Exclusion Criteria

Pregnant patients.
Patients with ASA 4 and ASA 5.
Patients with asthma and copd
BMI>35
Opioid addiction and use of NSAID or opium in last 3-5 days before
Diabetic patients.
Patients with coagulopathy disorder
any AV Block changes in the ECG.
Head Trauma
Any Abnormality in arm and forearm
Any contraindications of interscalen block such as diaphragmatic paralysis in the other side

Study & Design

Study Type: interventional

Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
1- Investigating the difference between NRS in the hours after surgery in the two groups. Timepoint: during the surgery ,2 hours, 6 hours, 18 hours and 24 hours after surgery. Method of measurement: Anesthetic recording papers,Bispectral index monitoring,ask patients.;Frequency of using the Autofuser pump in the two groups -The first hour of using the Autofuser pump in the two groups - The amount of pethidine consumption in the two groups - The first hour of using the pethidine in the two groups -Propofol consumption in both groups - Atracurium consumption in two groups - Remifentanil consumption in both groups. Timepoint: during the surgery ,2 hours, 6 hours, 18 hours and 24 hours after surgery. Method of measurement: Anesthetic recording papers,Bispectral index monitoring,ask patients.

Secondary Outcome Measures

Name	Time	Method
Range of motion and frozen shoulder after 3 months and 6 months of surgery. Timepoint: 3months and 6 months after surgery. Method of measurement: physical examination.