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Clinical Trial Summary

This study aims to compare two vasoconstrictive agents topically applied in cosmetic rhinoplasty: cocaine HCl 5% and adrenaline 1:1000. Blood loss during surgery as well as systemic effect of the studied agents are evaluated.


Clinical Trial Description

A prospective non-randomized study is conducted. Female patients undergoing cosmetic rhinoplasty are included in the study.

All procedures are performed by two surgeons, both with more than ten years of experience in cosmetic rhinoplasties. One surgeon uses cocaine as the vasoconstrictor agent of choice in his daily practice, whilst adrenaline is the preferred option for the other. Both practitioners participate in all surgeries, one of them as main surgeon and the other as assistant alternatively until the study is concluded.

Vasoconstrictor effect of cocaine and adrenaline will be assessed by quantitative and qualitative evaluation. Blood loss is quantified by measuring blood aspiration during surgery and gauze weighing. Aspiration is collected in a graduated bottle; at the end of surgery fourty cc of saline is flushed through the suction system. Difference of ribbon gauze weights before and after the procedure is also measured. Adding the previous measurements gives an estimate in blood loss. Qualitative analysis of vasoconstrictive effect is based on evaluation of surgical field by each surgeon using a linear scale of 1 to 5 (1 poor, 5 excellent).

Systemic effect of vasoconstrictor drugs is assessed by heart rate (HR) and systolic/diastolic blood pressure (SBP/DBP) variations during the procedure. Patients are monitored with continuous electrocardiogram tracing and automated blood pressure. Once cocaine or adrenaline packs are placed, measurements are taken every two and a half minutes during the first ten minutes and thereafter every five minutes until the end of the procedure. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT02381041
Study type Observational
Source Clínica Fernández
Contact
Status Completed
Phase N/A
Start date March 2013
Completion date February 2015

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