Asian Journal of Transfusion Science
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ORIGINAL ARTICLE
Year : 2017  |  Volume : 11  |  Issue : 2  |  Page : 147-150

Rapid dry plasma thawing system: An alternative to conventional thawing baths


1 Department of Immunohematology and Blood Transfusion, Jubilee Mission Medical College and Research Institute, Thrissur, Kerala, India
2 Department of Biostatistics, Jubilee Mission Medical College and Research Institute, Thrissur, Kerala, India

Correspondence Address:
S Sanooja Pinki
Sifan Cottage, Kallambalam P. O., Thiruvananthapuram, Kerala
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0973-6247.214356

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Background: Fresh frozen plasma (FFP) should be thawed before transfusing to the patient. Prolonged or uncontrolled thawing can denature plasma proteins. The potential risk of contamination by wet thawing had always been a point of concern. Aims: Here, we compared and evaluated the effect of thawing on clotting factor activities by two different methods (wet and dry) and other factors such as risk of bacterial contamination, throughput, turnaround time, and efficacy of thawing. Subjects and Methods: All FFPs were prepared from Group O donors and stored at −40°C. Twenty-one FFPs were thawed in Plasmatherm II at 45°C for 15 min and another 21 were thawed in thawing bath at 37°C for 20–30 min randomly. Analysis of prothrombin time, activated partial thromboplastin time, fibrinogen, and factor VIII was done in ACL TOP 300 (IL) at the time of preparation and immediately after thawing of FFPs. Volume, duration of thawing, ease of use, accessibility, and equipment maintenance were also compared. Results: There was a statistically significant difference in coagulation parameters after thawing in both methods compared to the time of preparation (P < 0.05), but all values were within normal limits. There was no significant difference in coagulation parameters between the two methods (P > 0.05). Mixed bacterial growth was observed from swabs taken from the water bath. Conclusion: Plasmatherm II can be a good alternative to water bath to rapidly thaw FFPs by preserving coagulation factors and eliminating the risk of bacterial contamination.


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2006 - Asian Journal of Transfusion Science | Published by Wolters Kluwer - Medknow
Online since 10th November, 2006