Volume 24, Issue 3 (Summer 2018)                   Intern Med Today 2018, 24(3): 239-245 | Back to browse issues page

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Abbasnezhad A, Niazmand S, Derakhshsn M, shakeri M T, Meshkini A, Bayati M. The Incidence Rate of Vasovagal Reactions and Its Effective Factors among Blood Donors in Mashhad Blood Transfusion Centers . Intern Med Today 2018; 24 (3) :239-245
URL: http://imtj.gmu.ac.ir/article-1-2998-en.html
1- Department of Physiology, Medicine Faculty, Gonabad University of Medical Sciences, Gonabad, Iran.
2- Department of Physiology, Medicine Faculty, Mashhad University of Medical Sciences, Mashhad, Iran.
3- Department of Microbiology, Medicine Faculty, Mashhad University of Medical Sciences, Mashhad, Iran.
4- Department of Epidemiology and Biostatistics, Health Faculty, Mashhad University of Medical Sciences, Mashhad, Iran.
5- Department of Anesthesiology, Health Faculty, Birjand University of Medical Sciences, Birjand, Iran.
Abstract:   (3190 Views)
Aims: Vasovagal reaction is one of the most common complications of blood donation, this study was conducted to determine the prevalence of vasovagal reactions and its effective factors among blood donors in Mashhad blood transfusion centers.
Materials & Methods: This case-control study was performed on 657 blood donors in Mashhad's four blood transfusion centers during 6 months. The donors who had vasovagal reactions were in the case group (218 cases), and 439 donors who did not respond to vasovagal were in the control group. The age, BMI, blood pressure, pulse rate, hematocrit and vasovagal response variables were studied. Data were analyzed by SPSS 11.5 using Chi-square and Mann-Whitney tests.
Findings: The incidence of vasovagal reactions in the six months was 2.16%. The mean age in the case group was significantly lower than the control group (p<0.001). Vasovagal reactions were significantly higher in women and in first-time donors, as well as in those with anxiety and in subjects with lower BMI (p<0.001). The mean reduction in arterial pressure after blood donation was significantly higher in the case group than in the control group (p<0.001).
Conclusion: The incidence of vasovagal reactions is dependent on several factors, including age, sex, BMI, and blood pressure, and with more care from high-risk donors, it can be approximately prevented from vasovagal reaction and increased the possibility of returning to blood donation
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Type of Study: Original | Subject: Basic Medical Science
Received: 2018/03/4 | Accepted: 2018/05/23 | Published: 2018/07/10

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