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Study aim
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Comparison of the consequences of modified paramedic spinal anesthesia with classical paramedin
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Design
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Clinical trial with intervention and control groups, with parallel groups, double-blind, randomized, sample of 200 patients. Randlist software was used for randomization.
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Settings and conduct
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All patients who are candidates for spinal anesthesia in Imam Reza Hospital in Tabriz will be included in this study. Patients are randomly assigned to two groups of intervention and control. In the intervention group, the paramedic technique will be modified and in the control group, the classical paramedin will be applied to compare the consequences of these two techniques. In this study, the patient and one of the anesthesiologists and students who have a dissertation are blinded to the study.
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Participants/Inclusion and exclusion criteria
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Inclusion area: All patients aged 20 to 60 years are candidates for spinal anesthesia with ASA rating,grade 1&2.
Exclusion area: Visible spinal deformity
History of chronic or acute headache
Emergency surgery
Weight over 100 kg and height less than 50
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Intervention groups
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Intervention group:In this group,anesthesiologist in a sitting position from the L3-L4 or L4-L5 space with spinal needle No. 25 type Quincke at an angle of approximately 20-25 degrees to the medial until the tip of the needle reaches the subarachnoid space, depending on the duration of surgery 2-4 ml of bupivacaine 0.5% (manufactured by LES TOURS CEDEX-FRANCE) will be injected.
Control group:In this group after finding the intervertebral space L3-L4 or L4-L5, by giving an angle of 10-15 to the medial and also an angle of10_15 towards the cephalic so that the tip of the needle reaches the subarachnoid.
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Main outcome variables
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Duration of successful block, patient satisfaction with the procedure, comfort of anesthesiologist, back pain during the procedure, post-block headache.