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Umetsu M, Kanamori H, Murakami K, Shiga T, Yachi S, Takeyama M, Nishimoto Y, Tsujino I, Nakamura J, Yamamoto N, Nakata H, Ikeda S, Aikawa S, Hayashi H, Satokawa H, Okuno Y, Iwata E, Ogihara Y, Ikeda N, Kondo A, Iwai T, Yamada N, Ogawa T, Kobayashi T, Mo M, Yamashita Y. Clinical Features Comparing Arterial Thrombosis and Venous Thromboembolism in Hospitalized Patients with COVID-19: Result from the CLOT-COVID Study. Ann Vasc Dis 2023; 16:115-123. [PMID: 37359099 PMCID: PMC10288120 DOI: 10.3400/avd.oa.22-00112] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2022] [Accepted: 03/24/2023] [Indexed: 06/28/2023] Open
Abstract
Objectives: This study aimed to investigate the clinical features of arterial thrombosis and venous thromboembolism (VTE) in coronavirus disease 2019 (COVID-19). Methods: The CLOT-COVID Study was a retrospective, multicenter cohort study that enrolled 2,894 consecutively hospitalized patients with COVID-19 among 16 centers in Japan from April 2021 to September 2021. We compared the clinical features of arterial thrombosis and VTE. Results: Thrombosis was observed in 55 patients (1.9%) during hospitalization. Arterial thrombosis and VTE occurred in 12 (0.4%) and 36 (1.2%) patients, respectively. Among the 12 patients with arterial thrombosis, 9 (75%), 2 (17%), and 1 developed ischemic cerebral infarction, myocardial infarction, and acute limb ischemia, respectively, and there were five patients (42%) without comorbidities. Among 36 patients with VTE, 19 (53%) and 17 (47%) developed pulmonary embolism (PE) and deep vein thrombosis (DVT), respectively. PE was common in the early stages of hospitalization; whereas, DVT was common beyond the early stages of hospitalization. Conclusion: Among patients with COVID-19, arterial thrombosis was less common than VTE, although ischemic cerebral infarction seemed to be relatively common, and a certain number of patients developed arterial thrombosis even in the absence of known atherosclerosis risk factors.
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Affiliation(s)
| | | | | | - Takuya Shiga
- Tohoku University Hospital, Sendai, Miyagi, Japan
| | - Sen Yachi
- Japan Community Health Care Organization Tokyo Shinjuku Medical Center, Tokyo, Japan
| | - Makoto Takeyama
- Japan Community Health Care Organization Tokyo Shinjuku Medical Center, Tokyo, Japan
| | - Yuji Nishimoto
- Hyogo Prefectural Amagasaki General Medical Center, Amagasaki, Hyogo, Japan
| | | | | | | | - Hiroko Nakata
- Yokosuka General Hospital Uwamachi, Yokosuka, Kanagawa, Japan
| | - Satoshi Ikeda
- Nagasaki University Hospital, Nagasaki, Nagasaki, Japan
| | - Shizu Aikawa
- Tsukuba Medical Center Hospital, Tsukuba, Ibaraki, Japan
| | - Hiroya Hayashi
- Osaka Metropolitan University Graduate School of Medicine, Osaka, Osaka, Japan
| | - Hirono Satokawa
- Fukushima Medical University, School of Medicine, Fukushima, Fukushima, Japan
| | | | - Eriko Iwata
- Nankai Medical Center Japan Community Health Care Organization, Saiki, Osaka, Japan
| | | | | | - Akane Kondo
- Shikoku Medical Center for Children and Adults, Zentsuji, Kagawa, Japan
| | | | | | | | | | - Makoto Mo
- Yokohama Minami Kyosai Hospital, Yokohama, Kanagawa, Japan
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Takeyama M, Yachi S, Nishimoto Y, Tsujino I, Nakamura J, Yamamoto N, Nakata H, Ikeda S, Umetsu M, Aikawa S, Hayashi H, Satokawa H, Okuno Y, Iwata E, Ogihara Y, Ikeda N, Kondo A, Iwai T, Yamada N, Ogawa T, Kobayashi T, Mo M, Yamashita Y. Mortality-associated Risk Factors in Hospitalized COVID-19 Patients in Japan: Findings of the CLOT-COVID Study. J Epidemiol 2023; 33:150-157. [PMID: 36372435 PMCID: PMC9909175 DOI: 10.2188/jea.je20220201] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
BACKGROUND Reports of mortality-associated risk factors in patients with the novel coronavirus disease 2019 (COVID-19) are limited. METHODS We evaluated the clinical features that were associated with mortality among patients who died during hospitalization (n = 158) and those who were alive at discharge (n = 2,736) from the large-scale, multicenter, retrospective, observational cohort CLOT-COVID study, which enrolled consecutively hospitalized COVID-19 patients from 16 centers in Japan from April to September 2021. Data from 2,894 hospitalized COVID-19 participants of the CLOT-COVID study were analyzed in this study. RESULTS Patients who died were older (71.1 years vs 51.6 years, P < 0.001), had higher median D-dimer values on admission (1.7 µg/mL vs 0.8 µg/mL, P < 0.001), and had more comorbidities. On admission, the patients who died had more severe COVID-19 than did those who survived (mild: 16% vs 63%, moderate: 47% vs 31%, and severe: 37% vs 6.2%, P < 0.001). In patients who died, the incidence of thrombosis and major bleeding during hospitalization was significantly higher than that in those who survived (thrombosis: 8.2% vs 1.5%, P < 0.001; major bleeding: 12.7% vs 1.4%, P < 0.001). Multivariable logistic regression analysis revealed that age >70 years, high D-dimer values on admission, heart disease, active cancer, higher COVID-19 severity on admission, and development of major bleeding during hospitalization were independently associated with a higher mortality risk. CONCLUSION This large-scale observational study in Japan identified several independent risk factors for mortality in hospitalized patients with COVID-19 that could facilitate appropriate risk stratification of patients with COVID-19.
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Affiliation(s)
- Makoto Takeyama
- Japan Community Health Care Organization Tokyo Shinjuku Medical Center
| | - Sen Yachi
- Japan Community Health Care Organization Tokyo Shinjuku Medical Center
| | | | | | | | | | | | - Satoshi Ikeda
- Nagasaki University Graduate School of Biomedical Sciences
| | | | | | - Hiroya Hayashi
- Osaka Metropolitan University Graduate School of Medicine
| | | | | | - Eriko Iwata
- Nankai Medical Center Japan Community Health Care Organization
| | | | | | - Akane Kondo
- Shikoku Medical Center for Children and Adults
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