Kosin Medical Journal

Original article

Troponin I and D-dimer levels as triaging biomarkers to distinguish acute pulmonary thromboembolism from myocardial infarction: Soo-Jin Kim, Moo Hyun Kim, Kwang Min Lee, Jin Woo Lee, Young Shin Cha, Da Eun Koh, Joo Yeong Hwang, Jong Sung Park; Kosin Med J. 2023;38(4):252-258. Published online December 20, 2023; DOI: https://doi.org/10.7180/kmj.23.133

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Background
Acute pulmonary thromboembolism (APTE) is often confused with myocardial infarction. Previous studies have shown that patients with APTE exhibit lower initial and peak cardiac troponin I (CTI) levels, but higher D-dimer (DD) levels, than patients with myocardial infarction. The present study aimed to reaffirm the tree model algorithm using an entirely new set of data.
Methods
We reviewed retrospective clinical and laboratory data from patients who were diagnosed with APTE or non-ST-elevation myocardial infarction (NSTEMI) between 2015 and 2016. Subjects who were not classified with a diagnosis or did not have their CTI or DD levels assessed were excluded. We categorized patients according to the previous algorithm and compared the outcomes with the previous test dataset.
Results
The analysis involved data from 156 patients with APTE and 363 patients with NSTEMI. In the validation data set, the APTE group showed higher initial DD levels (9.80±10.84 μg/mL) and lower initial CTI levels (0.17±0.54 μg/mL) than the NSTEMI group. The accuracy rate for the test dataset and the validation set were similar. The test set accuracy rate was 91.0%, while the accuracy rate in the validation set improved to 88.6%.
Conclusions
Patients with APTE exhibited lower initial and peak CTI levels, but higher DD levels than NSTEMI patients. The accuracy rate estimates were similar between the test set obtained from the tree model algorithm and the validation set. The study findings demonstrate that the assessment of cardiac biomarkers can be useful for differentiating between APTE and NSTEMI.

Citations

Citations to this article as recorded by

The old biomarkers you know are still useful: D-dimer and troponin I
Sanghyun Lee
Kosin Medical Journal.2023; 38(4): 229. CrossRef

Case reports

Multiple extraintestinal manifestations in a patient with acute severe ulcerative colitis: a case report: Eun Young Park, Dong Hoon Baek, Seung Min Hong, Geun Am Song; Kosin Med J. 2022;37(4):361-366. Published online July 27, 2022; DOI: https://doi.org/10.7180/kmj.22.027

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Abstract PDF PubReader ePub: Patients with inflammatory bowel disease (IBD) are at risk for extraintestinal manifestations (EIM) over the course of their disease. As EIMs can involve nearly every organ, and strongly influence the quality of life, early recognition and adequate treatment are necessary to prevent severe morbidity and mortality in affected patients. Pyoderma gangrenosum is a highly severe and debilitating skin condition that occurs in 1% to 10% of ulcerative colitis (UC) patients. Thromboembolic events are also serious EIMs and usually present as deep vein thromboses in the legs or as pulmonary embolisms. A 19-year-old woman presented with bloody diarrhea lasting for 3 months and deep ulceration on the right foot. She was diagnosed with UC. The patient's skin lesions did not improve with intravenous corticosteroids and oral mesalazine. After she was started on infliximab, we observed rapid resolution of the skin lesions. She continued to complain of mild dyspnea while in the hospital. Computed tomography performed using the thromboembolism protocol revealed pulmonary thromboembolism and deep venous thrombosis. The patient underwent anticoagulant therapy with low-molecular-weight heparin, and her dyspnea gradually improved. Anticoagulation was continued with warfarin. It is rare for IBD patients to have multiple EIMs; however, this case demonstrates that multiple EIMs are a possible presentation in UC and underscores the importance of a meticulous clinical examination and adequate evaluation in the management of IBD patients presenting with EIMs.

A case of rescuing a patient with acute cardiovascular instability from sudden and massive intraoperative pulmonary thromboembolism by extracorporeal membrane oxygenation: Won Jin Kim, Jin Gu Kang; Kosin Med J. 2018;33(3):477-482. Published online December 31, 2018; DOI: https://doi.org/10.7180/kmj.2018.33.3.477

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Abstract PDF PubReader: Intraoperative pulmonary thromboembolism is a high mortality situation. Early mortality in patients with pulmonary thromboembolism varies from 2% in normotensive patients to 30% in patients with cardiogenic shock. The use of extracorporeal cardiopulmonary resuscitation can improve survival and neurologic outcomes of cardiac arrest. We report a case of intraoperative massive pulmonary thromboembolism with circulatory collapse and cardiac arrest during anesthesia for pelvic bone fracture surgery, which were rescued by extracorporeal membrane oxygenation.

A Case of Pulmonary Hypertension Recurred by Graves’ Disease: Jun Seop Lee, Young Sik Choi, Jae Woo Lee, Jin Seok Yoo, Youn Jung Choi, Dong Hyun Park; Kosin Med J. 2013;28(2):171-176. Published online January 19, 2013; DOI: https://doi.org/10.7180/kmj.2013.28.2.171

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Abstract PDF PubReader ePub: A few cases of severe pulmonary hypertension with right heart failure associated with Graves’ disease were reported in the literature. However, cases of pulmonary hypertension with right heart failure recurred by Graves’ disease is very rare. We describe the case of a 60-year old woman who had been treated pulmonary hypertension caused by right pulmonary artery thromboembolism seven years ago. Recently, her pulmonary hypertension with right heart failure was recurred by Graves’ disease. The patient’s symptoms of pulmonary hypertension was resolved after treatment of Graves’ disease.

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