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Published on: February 14, 2021
Retrospective Evaluation of New Chinese Diagnostic Scoring System for Disseminated Intravascular Coagulation
Manzhi Wang1, Haiming Kou1, Jun Deng1
1Institute of Hematology, Union Hospital, Huazhong University of Science and Technology, Wuhan, China.
Insights
The new Chinese DIC scoring system (CDSS) demonstrates good diagnostic accuracy and prognostic value for disseminated intravascular coagulation (DIC). This validated system shows promise in clinical settings for identifying DIC patients.
Area of Science:
- Hematology
- Clinical Diagnostics
- Medical Informatics
Background:
- Disseminated intravascular coagulation (DIC) is a complex syndrome requiring accurate diagnostic tools.
- Existing scoring systems for DIC have limitations, necessitating novel approaches.
Purpose of the Study:
- To retrospectively validate the newly developed Chinese DIC scoring system (CDSS).
- To compare the performance of CDSS against established international scoring systems.
- To evaluate the prognostic capability of CDSS in predicting patient outcomes.
Main Methods:
- Retrospective analysis of 619 patients suspected of DIC (non-hematologic and hematologic malignancies).
- Validation of CDSS against ISTH, JAAM, and JMHW scoring systems.
- Assessment of prognostic value using 28-day mortality, APACHE II, and SOFA scores.
Main Results:
- CDSS showed higher specificity than JAAM and higher sensitivity than ISTH in non-hematologic malignancies.
- CDSS demonstrated superior diagnostic performance (AUC) compared to ISTH and JMHW in hematologic malignancies.
- CDSS-diagnosed DIC patients had significantly higher 28-day mortality, SOFA, and APACHE II scores.
Conclusions:
- CDSS is the first proposed system emphasizing clinical signs, platelet count, APTT, and D-dimer for DIC diagnosis.
- The system accounts for DIC in hematologic malignancies as a distinct category.
- CDSS exhibits acceptable sensitivity and specificity for DIC diagnosis with good prognostic value.
Objectives:
To retrospectively validate the new Chinese DIC scoring system (CDSS).
Methods:
This study retrospectively collected the information of 619 patients (371 cases with non-hematologic malignancies, 248 cases with hematologic malignancies) who suspected of DIC in Wuhan Union Hospital during 2013-4 to 2014-6. We validated CDSS by comparing it with three leading scoring systems, from International Society on Thrombosis and Haemostasis (ISTH), Japanese Association for Acute Medicine (JAAM) and Japanese Ministry of Health and Welfare (JMHW), and evaluated its prognostic value by 28 days mortality, APACHE II and SOFA score.
Results:
In non-hematologic malignancies, CDSS was more specific than JAAM (72.55% vs. 50.49%, p<0.05) and more sensitive than ISTH (77.07% vs. 62.03%, p<0.05). In hematologic malignancies, the area under the ROC curve of CDSS was larger than ISTH and JMHW (0.933 vs. 0.889, p<0.01 with ISTH, 0.944 vs. 0.845, p<0.01 with JMHW). In addition, the 28-day mortality rate, SOFA scores, APACHE II scores of DIC patients diagnosed by CDSS were significantly greater than non-DIC (P <0.05).
Conclusions:
We are the first group to propose CDSS. It emphasized the values of the clinical manifestations, the rapidly declining platelet count, APTT in the diagnosis of DIC and used D-dimer as the fibrin-related maker. DIC with hematological malignancies was treated as a special part. In this study we can see that CDSS displayed an acceptable property for the diagnosis of DIC with appropriate sensitivity and specificity, and also had a good prognostic value for DIC patients.
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