Comparative Study Between the Efficacy of Verapamil and Bisoprolol on Reduction of Bleeding During Endoscopic Sinus Surgery Under General Anaesthesia.
Conditions: Endoscopic Sinus Surgery; Heart Rate; Blood Loss Interventions: Drug: Verapamil; Drug: Bisoprolol; Drug: Placebo oral tablet Sponsor: Assiut University Not yet recruiting
Source: ClinicalTrials.gov - Category: Research Source Type: clinical trials