The Incidence of Vaso-vagal Reactions Among Whole Blood Donors During or Immediately After Donation

Rahman, Atiar; Biswas, Jolly; Islam, Aminul; Khatun, Ayesha; Shil, Nittyananda; Shaheen, Sheikh Saiful Islam; Bhuiyan, Zillur Rahman

doi:10.3329/bsmmuj.v4i2.8640

Cited by 1 publication

(2 citation statements)

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“…[ 3 ] In general, the frequency of VVR in multiple studies ranges from 0.37% to 1.28%. [ 4 5 6 ] Although adverse donor reaction is known to have a very low occurrence, it can have a negative impact on the return rate of the affected donors in the long run. [ 7 ] Donors who are at increased risk of VVR should be counseled and advised for predonation hydration which can help dampen the vasovagal attack.…”

Section: Introductionmentioning

confidence: 99%

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Vasovagal reaction among whole blood donors in Hospital Pulau Pinang. A statistical-epidemiological study

Hasan

Arshad

Rahim

et al. 2020

Asian J Transfus Sci

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CONTEXT: Whole blood donation is generally considered a safe procedure; however, a small percentage of donors could develop vasovagal reactions (VVRs) during or after completion of blood donation. AIMS: This study was undertaken to establish the prevalence of VVR among whole blood donors in Hospital Pulau Pinang and to investigate factors that lead to its occurrence. SETTINGS AND DESIGN: A cross-sectional study was conducted involving 27,890 whole blood donations in 2016. SUBJECTS AND METHODS: For each donation, donor's demographic and blood donation-related information was extracted from the blood bank database. STATISTICAL ANALYSIS USED: Qualitative data including age group, sex, race, frequency, and location of donation were analyzed using Chi-square tests, while blood pressure was analyzed using t -test. RESULTS: Overall, 425 cases of VVRs were reported, resulting in a VVR rate of 1.5% (one event in every 65 donations). We found a statistically significant association ( P < 0.05) between the occurrence of VVRs with the young age group, female gender, Indian race, first-time donor, lower predonation blood pressure, and donation performed in a mobile donation campaign. The most common vasovagal symptoms are lightheadedness (88%), followed by nausea (5.4%), muscle twitching (3.5%), vomiting (1.4%), loss of consciousness <30 s (1.4%), and paresthesia (0.2%). CONCLUSIONS: The prevalence of VVRs among whole blood donors in Hospital Pulau Pinang appeared to be low. Our study reaffirms that blood donation is a relatively safe process, and the incidence of VVR can be further reduced by ensuring strict screening procedure before blood donation.

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Section: Introductionmentioning

confidence: 99%

“…The symptoms that manifest during VVR arranged according to frequency were sweating (86.3%), nausea and vomiting (80.8%), pallor (67.1%), dizziness (39.7%), loss of consciousness and fainting, increased rate of respiration (30.1%), anxiety (16.4%), and vertigo (1.4%). [ 4 ]…”

Section: Introductionmentioning

confidence: 99%