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Aim of the study is comparing the effect of amino acid versus magnesium sulfate infusion on postoperative shivering in patients undergoing elective percutaneous nephrolithotomy surgery under general anesthesia.
A written informed consent was taken from the patients. Patients were assigned randomly to two groups (40 subjects each) to be anesthetized and infused with either an iv amino acid starting just before and during anesthesia (group A) or an iv magnesium sulphate starting just before and during anesthesia (group M) in the perioperative period.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| aminoacid group | Active Comparator | patients received an IV amino acid infusion 150 ml/kg/hr starting just before and during anesthesia |
|
| magnesium sulfate group | Active Comparator | patients received an IV magnesium sulphate bolus and infusion 40 mg/kg starting just before and during anesthesia |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Aminoacid | Drug | amino acid infusion 150 ml/kg/hr starting preoperative |
| |
| Measure | Description | Time Frame |
|---|---|---|
| Postoperative shivering grade | "grading of shivering," in which shivering degree was assessed as 1 of 5 levels (0, 1, 2, 3, and 4), grade 0 lack of shivering, grade 1 slight shivering (inconsiderable yet apparent peripheral vasoconstriction), grade 2 medium level shivering (muscular activity in one muscle group only) grade 3 severe shivering (muscular activity in more than one muscle group without generalized shivering) and grade 4 generalized shivering. | 2 hours postoperative |
| Measure | Description | Time Frame |
|---|---|---|
| Shivering frequency | Number of shivering episodes in postoperative period | 2 hours postoperative |
| Blood loss volume | Assessing blood loss in surgical drains postoperative |
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Inclusion Criteria:
Exclusion Criteria:
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Assiut university | Asyut | 71111 | Egypt |
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| ID | Term |
|---|---|
| D000596 | Amino Acids |
| D008278 | Magnesium Sulfate |
| ID | Term |
|---|---|
| D000602 | Amino Acids, Peptides, and Proteins |
| D017616 | Magnesium Compounds |
| D007287 | Inorganic Chemicals |
| D013431 | Sulfates |
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| Magnesium sulfate |
| Drug |
magnesium sulphate bolus and infusion 60 mg/kg starting preoperative |
|
| 2 hours postoperative |
| D013464 |
| Sulfuric Acids |
| D013456 | Sulfur Acids |
| D013457 | Sulfur Compounds |