JOPIC

The JoPIC is an independent-unbiased, peer-reviewed, and open-access journal of current national and international issues and reviews for original clinical and experimental research, interesting case reports, surgical techniques, differential diagnoses, editorial opinions, letters to the editor, and educational papers in pulmonology, thoracic surgery, occupational diseases, allergology, and intensive care medicine.

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Index
Letter to the Editor
Comment on: The relationship between troponin levels in pneumonia and the severity of pneumonia and the oxidant-antioxidant balance
This letter comments on the study evaluating the relationship between troponin levels, oxidative stress markers, and pneumonia severity. From an emergency medicine perspective, the findings highlight the potential role of cardiac and redox biomarkers in early risk stratification. While elevated troponin levels and altered oxidative balance appear to correlate with disease severity, their limited specificity and variable availability may restrict routine use in emergency settings. Further prospective studies are required to clarify their incremental value beyond established clinical scoring systems.


1. Öner S, Karalezli A. The relationship between troponin levels in pneumonia and the severity of pneumonia and the oxidant-antioxidant balance. J Pulmonol Intens Care. 2026;4(1):7-13. <a href="https://doi.org/10.51271/JOPIC-0072">doi:10.51271/JOPIC-0072</a>
2. Frencken JF, Donker DW, Spitoni C, et al. Myocardial injury in patients with sepsis and its association with long-term outcome. Circ Cardiovasc Qual Outcomes. 2018;11(2):e004040. <a href="https://doi.org/10.1161/CIRCOUTCOMES.117.004040">doi:10.1161/CIRCOUTCOMES.117.004040</a>
3. Thygesen K, Alpert JS, Jaffe AS, et al. Fourth universal definition of myocardial infarction (2018). J Am Coll Cardiol. 2018;72(18):2231-2264. <a href="https://doi.org/10.1016/j.jacc.2018.08.1038">doi:10.1016/j.jacc.2018.08.1038</a>
4. Parlak ES, Alisik M, Hezer H, Karalezli A, Hasanoglu HC, Erel O. Evaluation of dynamic thiol/disulfide redox state in community-acquired pneumonia. Saudi Med J. 2018;39(5):495-499. <a href="https://doi.org/10.15537/smj.2018.5.22111">doi:10.15537/smj.2018.5.22111</a>
5. Schuetz P, Wirz Y, Sager R, et al. Effect of procalcitonin-guided antibiotic treatment on mortality in acute respiratory infections: a patient level meta-analysis. Lancet Infect Dis. 2018;18(1):95-107. <a href="https://doi.org/10.1016/S1473-3099(17)30592-3">doi:10.1016/S1473-3099(17)30592-3</a>
Volume 4, Issue 3, 2026
Page : 92-94
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