Relationship between diameter of the cannula, vascular access site used and gender and the pain perception of intravenous injection of propofol and rocuronium [Propofol ve Roküronyum İntravenöz Enjeksiyon A?risinin Algilanmasinda, Kullanilan Damar Yolu Yeri, Kanül Çapi ve Cinsiyet İlişkisi]
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Objective: With an iicidence of 24-80%, injection pain of propofol is it's most well known and most frequent side effect. Rocuronium, a steroidal nomlepolarizing muscle relaxant, is also among agents which can cause injection pain. The goal of our study was to compare the relevance of cannula diameter, location of vascular access and gender with pain perception of intravenous injection of propofol and rocuronium. Material and Method: A total of 637 patients in ASA 1-11 groups between the ages of 16-80 whose operations were planned with general anesthesia between June 1st 2012 and December 31st 2012 were included in this study. Cases were divided into four groups according to site of cannulation and diameter of the cannula as: Group 1 (back of the hand 20 gauge), Group 2 (antecubital zone 20 gauge), Group 3 (back of the hand 22 gauge) and Group 4 (antecubital zone 22 gauge). Residts: There was no statistically significant difference between patients' demographic findings, and initial hemodynamic parameters. During propofol injection; while 387 out of 637 patients did not show pain reaction, 250 of them reacted at various degrees. During rocuronium injection of the same patients, 335 of them did not describe any pain, while 302 of them demonstrated painful reactions. In Group 3, 76.7% of men and 47.4% of women did not describe any pain with propofol injection. In the same group, 53.3% of men and 47.4% of women did not demonstrate painful reaction with rocuronium injection. Conclusion: We observed that compared to men, women included in our study showed more painful reaction to injections of both drugs into veins localized on the back of the hands, and into veins opened with small intracaths.