Comparison of Thyroid Function Tests by RIA / IRMA Based Commercial Kit and in House Method in Hypothyroid Patients

Comparison of Thyroid Function Tests by RIA / IRMA Based Commercial Kit and in House Method in Hypothyroid Patients

Authors

  • Sobia Rana
  • Adeela Shahid
  • Shahid Saeed
  • Muhammad Nadir Iqbal

DOI:

https://doi.org/10.21649/akemu.v18i2.398

Abstract

The diagnosis of hypothyroidism is based on the com-bination of clinical presentation and laboratory tests. The current study focuses on the strategy for the dif-ferential diagnosis of hypothyroidism and a compari-son of thyroid function tests (TFTs) by commercial kit based RIA / IRMA (radioimmunoassay / immuno-radiometric assay) procedures with those by in – house method. The study encompasses 75 hypothyroid pati-ents whose clinical history were recorded and TFTs were performed on their serum samples by commercial kit based RIA / IRMA. Moreover, 40 samples were assayed again for TFTs by in – house RIA / IRMA procedures to check whether the results by both methods were comparable. It has been found that in most cases, hypothyroidism is a clinical diagnosis and estimation of TFTs is required for its confirmation but to reach the differential diagnosis of hypothyroidism, additional relevant investigations are required. Fur-thermore, when TFTs results by commercial kit based RIA / IRMA were compared with those by in – house RIA / IRMA procedures, no statistically significant difference was found between the two methods. This implies that in – house RIA / IRMA procedures may be applied in place of commercial kit based methods to perform TFTs provided the criteria for quality control are fulfilled.

Keywords:  Hypothyroidism, RIA, IRMA.

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How to Cite

Rana, S., Shahid, A., Saeed, S., & Iqbal, M. N. (2013). Comparison of Thyroid Function Tests by RIA / IRMA Based Commercial Kit and in House Method in Hypothyroid Patients. Annals of King Edward Medical University, 18(2), 180. https://doi.org/10.21649/akemu.v18i2.398

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