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Mon, 07.10.24

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December 2022
Ze'ev Itsekson Hayosh MD, Eiman Abu Bandora MD, Natalia Shelestovich MD, Maya Nulman MD, Mati Bakon MD, Gal Yaniv MD, Boris Khaitovitch MD, Shmuel Balan MD, Alexandra Gerasimova MD, Tali Drori MD, Stefan Mausbach MD, Yvonne Schwammenthal MD, Arnon Afek MD, Joab Chapman MD, Efrat Shavit Stein MD, David Orion MD

Endovascularly retrieved clots may be a potential resource for diagnosing stroke etiology. This method may influence secondary prevention treatment. We measure thrombin activity eluted by serially washing clots. We concluded that an assay measuring the change in thrombin in clots retrieved during acute stroke endovascular thrombectomy procedures may serve as a diagnostic marker of the origin of the clot. The suggested mechanism for these differences may be the clot location before its retrieval, with high blood flow causing thrombin washout in atherosclerotic clots, in contrast to atrium appendage low blood flow retaining high thrombin levels.

June 2010
A. Itsekson, D. Shepshelovich, A. Kanevsky and D.S. Seidman
Background: Non-invasive screening tests may allow early diagnosis and prompt treatment, thereby potentially reducing morbidity and mortality and reducing costs for the community.  This may be especially important for gynecologic pathologies that are difficult to promptly diagnose, such as endometriosis or ovarian cancer.

Objectives: To evaluate the reliability of measuring skin resistance using the Medex Test for screening and diagnosis of gynecologic pathologies in a blinded single-center study.

Methods: We enrolled 150 patients: 59 with a functional disorder and 91 with an organic disease. Measurements were carried out in all patients and the results were analyzed separately by a second physician who was blinded to the patients’ diagnosis.

Results: A high correlation was found between the clinical diagnosis and the results of the measurement of electrical skin resistance, with a specificity of 76.3% (45/59) for functional disorders and a sensitivity of 85.7% (78/91) for organic disorders, positive predictive value of 84.8% (78/92) and negative predictive value 77.6% (45/58). The kappa value for the results was 0.622, representing a value much better than expected randomly.

Conclusions: The Medex Test has a good specificity and a high sensitivity for the diagnosis of gynecologic disorders. Further prospective studies are needed to validate these preliminary findings.

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