Volume 79, Issue 3 (june 2021)                   Tehran Univ Med J 2021, 79(3): 218-224 | Back to browse issues page

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Heidari S M, Shatabi H R, Marzabani E. Comparison of the effect of two drug combinations of Labetalol-hydralazine and labetalol-trinitroglycerin on hemodynamic factors and bleeding volume during dacryocystorhinostomy. Tehran Univ Med J 2021; 79 (3) :218-224
URL: http://tumj.tums.ac.ir/article-1-11232-en.html
1- Department of Anesthesiology, Anesthesiology and Critical Care Research Center, Isfahan University of Medical Sciences, Isfahan, Iran.
2- Department of Student Research Committee, Isfahan University of Medical Sciences, Isfahan, Iran.
Abstract:   (960 Views)
Background: Control of bleeding during dacryocystorhinostomy (DCR) surgery is of particular importance and controlling the body's hemodynamic responses to stress effectively reduces the amount of bleeding during surgery and improves the surgical area. Therefore, in this study, we aimed to investigate the effect of two-drug combinations Labetalol-Hydralazine and Labetalol-Trinitroglycerin on hemodynamic factors during dacryocystorhinostomy surgery.
Methods: The present study is a double-blind randomized clinical trial that was performed on 71 patients who were candidates for dacryocystorhinostomy (DCR) surgery. Patients enrolled in the study using computerized randomization software (Random allocation software).they were divided into two groups. The study was conducted from September 2016 to September 2017 in Isfahan. The amount of bleeding, the cardiovascular response of patients during and after surgery, the degree of satisfaction of the surgeon and the patient, the severity of pain, and the occurrence of nausea and vomiting were assessed, collected and analyzed.
Results: Between the two groups in terms of demographic characteristics there was no significant difference. There was no significant difference between the two groups in terms of mean arterial blood pressure (MAP), heart rate (HR) during surgery and the time of staying in the recovery room (P>0.05). There was no significant difference between the two groups in terms of bleeding volume, surgeon and patient satisfaction (P=0.73), frequency of vomiting, length of stay in recovery (P=0.57), the severity of nausea (P=0.38), pain (P=0.33) and rebleeding in recovery (P=0/75).
Conclusion: The results of the present study show that the use of labetalol with hydralazine in comparison with labetalol with trinitroglycerin has similar results in terms of hemodynamic factors as well as bleeding volume and surgeon and patient satisfaction criteria. Therefore, both of these compounds can be used to reduce bleeding and control vital signs during and after dacryocystorhinostomy surgery.
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