evaluating the effect of an anesthetic agent on the duration of anesthesia and analgesia among chronic opium abusers
Not Applicable
Recruiting
- Conditions
- Regional anesthesia.Local anaestheticsT41.3, Y48
- Registration Number
- IRCT2016112631107N1
- Lead Sponsor
- Tehran University Of Medical Sciences Vice Chancellor Of Research
- Brief Summary
Not available
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- Recruiting
- Sex
- Male
- Target Recruitment
- 84
Inclusion Criteria
inclusion criteria: (ASA) physical status class I and II; male; current smokers; aged between 18-60; scheduled for elective upper limb orthopedic surgery under supraclavicular nerve block.
exclusion criteria: Patients with any contraindications to supraclavicular nerve block; patients with addiction to any substance other than opium and cigarettes; patients with known history of cardiac, respiratory, or psychological diseases; block failure of any nerve distributions (i.e. if the patient feel pain in those regions), the patient will be excluded from the study, even when the block is adequate to perform the operation.
Exclusion Criteria
Not provided
Study & Design
- Study Type
- interventional
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method Sensory block onset. Timepoint: sensory block will be checked continuously after completion of injection until complete sensory and motor block. Method of measurement: pinprick test and a verbal rating scale from 100% (normal sensation) to 0 (no sensation).;Sensory block duration. Timepoint: after complete sensory block and every 15 minutes following the end of operation. Method of measurement: pinprick test and a verbal rating scale from 100% (normal sensation) to 0 (no sensation).;Motor block onset. Timepoint: motor block will be checked continuously after completion of injection until complete motor block. Method of measurement: Lovett rating scale.;Motor block duration. Timepoint: after complete motor block and every 15 minutes following the end of operation. Method of measurement: the Lovett rating scale.
- Secondary Outcome Measures
Name Time Method Systolic blood pressure. Timepoint: continuously monitoring while the surgery is performing. Method of measurement: manometer.;Diastolic blood pressure. Timepoint: continuously monitoring while the surgery is performing. Method of measurement: manometer.;Heart rate. Timepoint: continuously monitoring while the surgery is performing. Method of measurement: Monitoring.;Respiratory depression. Timepoint: continuously monitoring while the surgery is performing. Method of measurement: O2 saturation & Respiratory Rate.;Drug consumption in the 24 hours after surgery. Timepoint: patient need. Method of measurement: Medical records.