• Intern Emerg Med · Apr 2022

    Clinical characteristics and tumor markers in ischemic stroke patients with active cancer.

    • Tomohisa Nezu, Naohisa Hosomi, Hiroyuki Naito, Shiro Aoki, Tsuyoshi Torii, Takashi Kurashige, Tomohito Sugiura, Daisuke Kuzume, Yuko Morimoto, Takeshi Yoshida, Yoshiki Yagita, Naoki Oyama, Yuji Shiga, Naoto Kinoshita, Teppei Kamimura, Hiroki Ueno, Tomohiko Ohshita, and Hirofumi Maruyama.
    • Department of Clinical Neuroscience and Therapeutics, Hiroshima University Graduate School of Biomedical and Health Sciences, 1-2-3 Kasumi, Minami-ku, Hiroshima, 734-8551, Japan. tomonezu@hiroshima-u.ac.jp.
    • Intern Emerg Med. 2022 Apr 1; 17 (3): 735-741.

    AbstractCancer-associated ischemic stroke (CAS) refers to a hypercoagulation disorder related to malignant tumors, especially adenocarcinoma. Carbohydrate antigen (CA) 125 is a mucinous serum marker that might reflect hypercoagulation status, but the association between CA 125 and CAS is unclear across various types of cancer. The aim of this study was to investigate the associations among tumor markers, coagulation markers, and clinical factors in acute ischemic stroke (AIS) patients with active cancer. Consecutive AIS patients with active cancer (a diagnosis or ongoing active therapy for cancer within 6 months) were prospectively enrolled at four hospitals. D-dimer, C-reactive protein (CRP), carcinoembryonic antigen (CEA), CA19-9, and CA 125 levels were measured. Of 120 AIS patients with active cancer, 47 were diagnosed with CAS. CA 125 had the strongest correlations with D-dimer and CRP (ρ = 0.543, p < 0.001 and ρ = 0.452, p < 0.001, respectively). The areas under the receiver-operating characteristic curves for the diagnosis of CAS were 0.812 (95% CI 0.718-0.878) for CA 125, 0.714 (95% CI 0.602-0.801) for CEA, and 0.663 (95% CI 0.552-0.759) for CA 19-9. Multivariable analysis revealed that CA 125 levels in the highest quartile (OR 2.91, 95% CI 1.68-5.53), multiple lesions in multiple vascular territories observed on diffusion-weighted imaging, the absence of dyslipidemia, and the absence of atrial fibrillation were independently associated with CAS. Increased CA 125 levels, which indicate hypercoagulability, were useful for diagnosing CAS in AIS patients with active cancer.© 2021. Società Italiana di Medicina Interna (SIMI).

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