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Diagnosis of overt disseminated intravascular coagulation: a comparative study using criteria from the International Society versus the Korean Society on Thrombosis and Hemostasis.

Abstract：

PURPOSE:Since 1993, Koreans have used diagnostic criteria set by the Korean Society on Thrombosis and Hemostasis (KSTH) in the diagnosis of overt disseminated intravascular coagulation (DIC). In 2001, the Scientific and Standardization Committee (SCC) of the International Society on Thrombosis and Hemostasis (ISTH) proposed new diagnostic criteria for the diagnosis of overt DIC. We wanted to compare the use of the ISTH versus KSTH criteria in the diagnosis of overt DIC. MATERIALS AND METHODS:We enrolled 131 patients over the age of 15 years, who had been admitted and diagnosed as having DIC from May 2000 to April 2005 at the Youngdong Severance Hospital, Seoul, Korea. Of the 131 patients, there were 71 males and 60 females, with a median age of 61 years. Hemostatic tests, including platelet counts, PT, aPTT, fibrinogen level and D-dimer, were evaluated based on the respective scoring systems. To assess the concordance between the two diagnostic systems, we used the Student's t-test and the K-coefficient. RESULTS:There were 79 patients compatible with the ISTH criteria and 63 patients with the KSTH criteria. Sixty-one patients were compatible with both diagnostic systems. The grade of agreement, or concordance rate, was 84.7% and the K-coefficient, or interrater reliability, was as low as 0.6 without significance. However, if we scored 1 point for a fibrinogen level of 100-150 mg/dL, and 2 points for a level below 100 mg/dL, for the ISTH criteria, then 63 patients were compatible with both diagnostic systems, and the concordance rate increased to 85.5% and the K-coefficient to 0.71 with significance. CONCLUSION:To achieve good agreement between the ISTH and KSTH diagnostic systems for overt DIC, we highly recommend changing the plasma fibrinogen cut-off value in the ISTH criteria from 100mg/dL to 150 mg/dL and scoring up to 2 points for a level below 100 mg/dL.

journal_name

Yonsei Med J

journal_title

Yonsei medical journal

authors

Lee JH,Song JW,Song KS

doi

10.3349/ymj.2007.48.4.595

subject

Has Abstract

pub_date

2007-08-31 00:00:00

pages

595-600

issue

eissn

0513-5796

issn

1976-2437

pii

200708595

journal_volume

pub_type

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Diagnosis of overt disseminated intravascular coagulation: a comparative study using criteria from the International Society versus the Korean Society on Thrombosis and Hemostasis.