Comparison of two method of spinal anesthesia in opium addicts

Phase 2

Conditions: Opium Addiction.
Mental and behavioural disorders due to use of opioids

Registration Number: IRCT2012092210900N1

Lead Sponsor: Deputy of Research Kerman University of Medical Sciences

Brief Summary: Not available

Detailed Description: Not available

Recruitment & Eligibility

Status: Complete

Sex: Male

Target Recruitment: 60

Inclusion Criteria

1) patient's consent of spinal anesthesia.
2) The patient who are admitted for lower abdomen and lower extremity surgery.
3) patients who are in the age range of 65-15 year
4) Patients in the height range between 185 - 150 cm
5)opium addict is a person who have used opium orally or inhales it at least for one year
6) surgery length of 80 to 150 minutes
7) No history of other drug abuse and psychological disorders.
8) Weight between 50 to 85 kg.
exclusion criteria:
1- consuming other kinds of drugs
2- history of pulmonary or cardiac diseases
3-history of disorders which have absolute or partial contraindication for spinal anesthesia
4- history of hypersensitivity to fentanyl or bupivacaine.

Exclusion Criteria

Not provided

Study & Design

Study Type: interventional

Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
The onset of pain after surgery. Timepoint: after operation. Method of measurement: asking the patient.

Secondary Outcome Measures

Name	Time	Method
Blood pressure. Timepoint: every 5 minutes and every 15 minutes in PACU. Method of measurement: digital monitoring device.;The length of sensory nerves block. Timepoint: at 40,50,60,70,80,90,100,110 and 120 minutes. Method of measurement: skin stimulation test.;The length of motor nerves block. Timepoint: at 40,50,60,70,80,90,100,110 and 120 minutes. Method of measurement: asking the patient to move his legs.;The time of onset the analgesia. Timepoint: after performing the procedure. Method of measurement: skin stimulation test.;Nausea and vomiting. Timepoint: throughout the operation and in PACU. Method of measurement: asking the patient.;Itching. Timepoint: throughout the operation and in PACU. Method of measurement: asking the patient.;Shivering. Timepoint: throughout the operation and in PACU. Method of measurement: observation.