Analgesic Efficacy of Ultrasound Guided Paravertebral Block in Percutaneous Nephrolithotomy Patients: A Randomized Controlled Clinical Study
Analgesic Efficacy of Ultrasound Guided Paravertebral Block in Percutaneous Nephrolithotomy Patients: A Randomized Controlled Clinical Study
The aim of this study is to investigate the analgesic effects of thoracal paravertebral block in the patients undergoing percutaneous nephrolitotomy. Paravertebral block was applied to the study group. Conventional analgesia methods were applied to the control group.
Randomization was divided into two groups by using closed envelope method. Postoperative pain scores at rest at 1, 2, 4, 6, 8, 10, 12, and 24 hours with VAS (0 = no pain, very severe pain = 10) using Visual Analogue Scale was made. VAS at rest and movement (coughing and taking a deep Breath) were evaluated. Patients with VAS> 4 received additional analgesics.
ASA I, II, III patients aged 18-65 who consented to undergo unilateral percutaneous nephrolithotomy were eligible for the study. 53 patients were eligible and assesed.Informed consent was signed by all patients. Patients under 18 years of age, pregnant, with known hypersensitivity to local anesthetics, bleeding diathesis, depression and / or anxiety disorder, obesity (BMI> 35kg / m2), history of pneumothorax, phrenic nerve paralysis, severe aortic stenosis were excluded. Also who did not want to participate the study.