AI Article Synopsis
- Cardiac troponin (cTn) is a key biomarker used to detect heart damage, and there's a pressing need for easy saliva tests in emergency situations for patients experiencing chest pain.
- This study tested saliva from 40 myocardial injury patients (who had positive blood tests) and 66 healthy individuals, using a specific technique to remove a protein that could interfere with results, and then checked for cardiac troponin I (cTnI) levels.
- The results revealed that 90% of patients with positive blood tests also had detectable cTnI in saliva after treatment, suggesting that saliva could be a reliable, non-invasive way to identify heart damage in urgent care settings.
Article Abstract
Introduction: Cardiac troponin (cTn) is the biomarker of choice for detection of myocardial injury. There is a great need for simple point-of-care (POC) troponin testing among patients with chest pain, mainly in the prehospital setting. The purpose of this study was to evaluate the presence of cardiac troponin I (cTnI) in saliva of patients with myocardial injury using alpha-amylase depletion technique.
Methods: Saliva samples were collected from 40 patients with myocardial injury who were tested positive for conventional high-sensitivity cardiac troponin T (cTnT) blood tests, and from 66 healthy volunteers. Saliva samples were treated for the removal of salivary alpha-amylase. Treated and untreated samples were tested with blood cTnI Rapid Diagnostic Test. Salivary cTnI levels were compared to blood cTnT levels.
Results: Thirty-six of 40 patients with positive blood cTnT had positive salivary samples for cTnI following alpha-amylase depletion treatment (90.00% sensitivity). Moreover, three of the four negative saliva samples were obtained from patients with relatively low blood cTnT levels of 100 ng/L or less (96.88% sensitivity for 100 ng/L and above). The negative predictive value was 93.65% and rose up to 98.33% considering the 100 ng/L cutoff. Positive predictive values were 83.72% and 81.58%, respectively. Among 66 healthy volunteers and 7 samples yielded positive results (89.39% specificity).
Conclusion: In this preliminary work, the presence of cTnI in saliva was demonstrated for the first time to be feasibly identified by a POC oriented assay. The specific salivary alpha-amylase depletion technique was shown to be crucial for the suggested assay.
Download full-text PDF |
Source |
|---|---|
| http://dx.doi.org/10.1097/MCA.0000000000001257 | DOI Listing |
Publication Analysis
Top Keywords
Similar Publications
Metformin Alleviates Doxorubicin-Induced Cardiotoxicity via Preserving Mitochondrial Dynamics Balance and Calcium Homeostasis.
Appl Biochem Biotechnol
January 2025
Department of Pharmacology, Faculty of Veterinary Medicine, Assiut University, Assiut, 71516, Egypt.
Doxorubicin (DOX) is a commonly used chemotherapeutic medication for treating malignancies, although its cardiotoxicity limits its use. There is growing evidence that alteration of the mitochondrial fission/fusion dynamic processes accompanied by excessive reactive oxygen species (ROS) production and alteration of calcium Ca homeostasis are potential underlying mechanisms of DOX-induced cardiotoxicity (DIC). Metformin (Met) is an AMP-activated protein kinase (AMPK) activator that has antioxidant properties and cardioprotective effects.
View Article and Find Full Text PDF[Management of acute coronary syndrome].
Herz
January 2025
Herzzentrum Leipzig, Universitätsklinik für Kardiologie, Strümpellstr. 39, 04289, Leipzig, Deutschland.
Coronary artery disease (CAD) is the leading cause of death worldwide. Acute coronary syndrome (ACS) encompasses a spectrum of diagnoses ranging from unstable angina pectoris to myocardial infarction with and without ST-segment elevation and frequently presents as the first clinical manifestation. It is crucial in this scenario to perform a timely and comprehensive assessment of patients by evaluating the clinical presentation, electrocardiogram and laboratory diagnostics using highly sensitivity cardiac troponin in order to initiate a timely and risk-adapted continuing treatment with immediate or early invasive coronary angiography.
View Article and Find Full Text PDFHigh-Sensitive Cardiac Troponin I and Th1/Th2 Polarization in Queens With Pyometra.
Vet Med Sci
January 2025
Faculty of Veterinary Medicine, Department of Obstetrics and Gynecology, Firat University, Elazig, Turkey.
Objectives: To determine T helper (Th)1 and Th2 cytokine polarization, as well as high-sensitive cardiac troponin I (hs-cTnI) levels, in cats with pyometra.
Methods: We used 40 queens in the study. A total of 20 out of these 40 queens were diagnosed with the pyometra group (PYO) and the other 20 made up the healthy group (control; CTR).
Diagnostic Value of the Alveolar-Arterial Oxygen Gradient in Pulmonary Embolism: A Cross-Sectional Study.
Healthcare (Basel)
December 2024
School of Medicine, University of Split, 21000 Split, Croatia.
: Pulmonary embolism (PE) is a potentially serious condition characterized by the blockage of blood vessels in the lungs, often presenting significant diagnostic challenges due to its non-specific symptoms. This study aimed to evaluate the utility of the alveolar-arterial (A-a) oxygen gradient as a diagnostic tool for PE, hypothesizing that it could enhance early detection when combined with other clinical markers. : We retrospectively analyzed 168 patients at the University Hospital Center Split.
View Article and Find Full Text PDFPrognostic value of biomarkers of ischaemia in patients with peripheral arterial disease following endovascular revascularisation.
Vasa
January 2025
Department of Vascular Diseases, University Medical Centre Ljubljana, Slovenia.
Our aim was to evaluate the prognostic value of detectable high-sensitivity cardiac troponin I (hs-cTnI) and ischaemia-modified albumin (IMA) in predicting all-cause death or non-fatal ischaemic events in patients with PAD after endovascular revascularisation of the lower limbs. Patients who underwent successful endovascular revascularisation for chronic limb-threatening ischaemia (CLTI) or disabling intermittent claudication (IC) were prospectively included. Pre-procedural levels of hs-cTnI and IMA were measured, and patients were followed for one year for the occurrence of the composite outcome of all-cause death, non-fatal myocardial infarction, new-onset angina, non-fatal ischaemic stroke, transient ischaemic attack, or progression of PAD.
View Article and Find Full Text PDFWant AI Summaries of new PubMed Abstracts delivered to your In-box?
Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!