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The present clinical study will be undertaken to compare study between the effect of atracurium with lidocaine versus addition of magnesium sulphate to the same doses with lidocaine administrated alone in IntraVenous Regional Anaesthesia to access motor block, sensory block, tourniquet pain and post operative analgesia .Also assessment of patient and surgeon satisfaction .
patients will be divided randomly into three groups (A, B, C) of 25 each, according to computer generated table of random numbers.
Onset of sensory block will be assessed by a pin prick performed at 1 minute interval in the dermatomal sensory distribution of the medial and lateral ante brachial cutaneous, ulnar, median and radial nerves. Sensory block onset time will be recorded as time elapsed from injection of drug to sensory block achieved in all dermatomes.Onset of motor block will be assessed by asking the subject to flex and extend his/her wrist and fingers. Monitoring of motor block will be assessed by Modified Bromage Score . Complete motor block will be recorded when no voluntary movement will be possible.
At the end of surgery, the tourniquet will be deflated by a cyclic deflation technique and recording this :
Patient and surgeon satisfaction
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| lidocaine | Experimental | • Patients in group A will receive 3 mg/kg of lidocaine 2% diluted with saline to a total volume of 40 ml. |
|
| lidocaine & atracurium | Experimental | • Patients in group B receive 3 mg/kg of lidocaine 2% + 2 mg atracurium diluted with saline to a total volume of 40 ml. |
|
| lidocaine & atracurium & Mg sulphate | Experimental | • Patients in group C will receive 3 mg/kg of lidocaine 2% + 2 mg atracurium mixed with 10 mg /kg magnesium sulphate diluted with saline to a total volume of 40 ml. |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Lidocaine | Drug | Two intravenous cannulae will be placed; one in a vein on the dorsum of the hand to be operated (22 gauge) and the other in the opposite hand. A double tourniquet will be positioned on the upper arm of the hand to be operated. Arm will be elevated for 2 min. Circulatory isolation of arm will be confirmed by inspection of the color of the limb, absence of radial pulse and loss of pulse oximetry tracing in the ipsilateral index finger. The upper (proximal) tourniquet will then be inflated to a pressure of 100 mmHg above the systolic blood pressure of the patient. The anesthetic solution will be prepared by an observer and will be given over a period of 90 seconds. |
| Measure | Description | Time Frame |
|---|---|---|
| postoperative analgesia | postoperative analgesia measured by VAS of 0-10 (0= no pain and 10=Worst pain imaginable ) during the first 24 hours | 24 hour |
| Measure | Description | Time Frame |
|---|---|---|
| The onset and recovary times of sensory and motor block , first analgesic request , tourniquet pain ,side effects of study drugs , and quality of anesthesia assessed by patients and surgeons | Onset of sensory block assessed by pinbrick of the arm . Onset of motor block will be assessed by asking the subject to flex and extend his/her wrist and fingers. Monitoring of motor block will be assessed by Modified Bromage Score . Complete motor block will be recorded when no voluntary movement will be possible. |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Hamdy Abbas Youssef, Prof | Assiut University | Study Director |
| . Ola Mahmoud Wahba, Ass Prof | Assiut University | Study Director |
| Ghada Mohammad Abo Elfadl, Lecturer | Assiut University | Study Director |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Assiut University Hospital | Asyut | Egypt | ||||
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| ID | Term |
|---|---|
| D010149 | Pain, Postoperative |
| ID | Term |
|---|---|
| D011183 | Postoperative Complications |
| D010335 | Pathologic Processes |
| D013568 | Pathological Conditions, Signs and Symptoms |
| D010146 | Pain |
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| ID | Term |
|---|---|
| D008012 | Lidocaine |
| D001279 | Atracurium |
| ID | Term |
|---|---|
| D000083 | Acetanilides |
| D000813 | Anilides |
| D000577 | Amides |
| D009930 | Organic Chemicals |
| D000814 |
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|
| atracurium | Drug | Two intravenous cannulae will be placed; one in a vein on the dorsum of the hand to be operated (22 gauge) and the other in the opposite hand. A double tourniquet will be positioned on the upper arm of the hand to be operated. Arm will be elevated for 2 min. Circulatory isolation of arm will be confirmed by inspection of the color of the limb, absence of radial pulse and loss of pulse oximetry tracing in the ipsilateral index finger. The upper (proximal) tourniquet will then be inflated to a pressure of 100 mmHg above the systolic blood pressure of the patient. The anesthetic solution will be prepared by an observer and will be given over a period of 90 seconds. |
|
| Mg sulphate | Drug | Two intravenous cannulae will be placed; one in a vein on the dorsum of the hand to be operated (22 gauge) and the other in the opposite hand. A double tourniquet will be positioned on the upper arm of the hand to be operated. Arm will be elevated for 2 min. Circulatory isolation of arm will be confirmed by inspection of the color of the limb, absence of radial pulse . The upper (proximal) tourniquet will then be inflated to a pressure of 100 mmHg above the systolic blood pressure of the patient. The anesthetic solution will be prepared by an observer and will be given over a period of 90 seconds. |
|
| 24 hours |
| Asyut |
| Egypt |
| D009461 | Neurologic Manifestations |
| D012816 | Signs and Symptoms |
| Aniline Compounds |
| D000588 | Amines |
| D044182 | Benzylisoquinolines |
| D007546 | Isoquinolines |
| D006574 | Heterocyclic Compounds, 2-Ring |
| D000072471 | Heterocyclic Compounds, Fused-Ring |
| D006571 | Heterocyclic Compounds |