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Shinagare SA, Angarkar NN, Desai SR, et al. An audit of fresh frozen plasma usage and effect of fresh frozen plasma on the pre-transfusion international normalized ratio. Asian J Transfus Sci. 2010;4(2):128-32doi: 10.4103/0973-6247.67024.
Shinagare, S. A., Angarkar, N. N., Desai, S. R., & Naniwadekar, M. R. (2010). An audit of fresh frozen plasma usage and effect of fresh frozen plasma on the pre-transfusion international normalized ratio. Asian journal of transfusion science, 4(2), 128-32. https://doi.org/10.4103/0973-6247.67024
Shinagare, S A, et al. "An audit of fresh frozen plasma usage and effect of fresh frozen plasma on the pre-transfusion international normalized ratio." Asian journal of transfusion science vol. 4,2 (2010): 128-32. doi: https://doi.org/10.4103/0973-6247.67024
Shinagare SA, Angarkar NN, Desai SR, Naniwadekar MR. An audit of fresh frozen plasma usage and effect of fresh frozen plasma on the pre-transfusion international normalized ratio. Asian J Transfus Sci. 2010 Jul;4(2):128-32. doi: 10.4103/0973-6247.67024. PMID: 20859514; PMCID: PMC2937290.
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Asian J Transfus Sci. 2010 Jul;4(2):128-32. doi: 10.4103/0973-6247.67024.

An audit of fresh frozen plasma usage and effect of fresh frozen plasma on the pre-transfusion international normalized ratio.

Asian journal of transfusion science

S A Shinagare, N N Angarkar, S R Desai, M R Naniwadekar

Affiliations

  1. Department of Pathology, Krishna Institute of Medical Sciences, Karad, Maharashtra, India.

PMID: 20859514 PMCID: PMC2937290 DOI: 10.4103/0973-6247.67024

Abstract

OBJECTIVE: To audit the usage of fresh frozen plasma (FFP) and to study the effect of FFP on the pre-transfusion international normalized ratio (INR).

MATERIALS AND METHODS: Medical records of 100 consecutive patients who received FFP in our institute were retrospectively studied. FFP usage was classified as appropriate or inappropriate based on the guidelines by the National Health and Medical Research Council and The Australasian Society for Blood Transfusion. Pre-and post-transfusion INR were recorded and the effect of FFP on the pre-transfusion INR was studied in patients who appropriately received FFP. Relationship between the pre-transfusion INR and improvement in the INR per unit of FFP was studied using Pearson's correlation.

RESULTS: Total 325 units were issued for the 100 patients (37 males and 63 females, mean age 33 years, range 1-65 years). Obstetrics and gynecology and medicine departments requested most units of FFP. Total 197 units (60.6%) in 67 patients were appropriately transfused and 128 units (39.4%) in 33 patients were inappropriately used. Mean improvement in the pre-transfusion INR per unit of FFP was 0.79 (median 0.53, range 0-3.5, SD 0.94). A significant improvement in the pre-transfusion INR per unit of FFP was seen in 64.9% patients. A linear relationship was noted between the pre-transfusion INR and improvement in INR per unit of FFP (r=0.89, degree of freedom 55).

CONCLUSION: Proportion of inappropriate FFP usage remains high. A significant improvement in INR is more likely with a high pre-transfusion INR. The improvement in INR per unit of FFP is also more with higher pre-transfusion INR.

Keywords: Audit; effect on INR; fresh frozen plasma

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