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  • Title: Prognostic value of sustained elevated C-reactive protein levels in patients with acute aortic intramural hematoma.
    Author: Kitai T, Kaji S, Kim K, Ehara N, Tani T, Kinoshita M, Furukawa Y.
    Journal: J Thorac Cardiovasc Surg; 2014 Jan; 147(1):326-31. PubMed ID: 23219502.
    Abstract:
    OBJECTIVES: The appropriate management of aortic intramural hematoma is still controversial, because a variety of aortic events can arise during follow-up in some patients. However, simplified identification of these patients remains challenging. The present study aimed to determine the prognostic significance of serial C-reactive protein measurements for the prediction of adverse events in patients with acute aortic intramural hematoma. METHODS: A total of 180 patients with aortic intramural hematoma were retrospectively reviewed. The C-reactive protein data were obtained at admission and 2 days, 1 week, and 2 weeks from the onset, and the maximum value was obtained during the acute phase. Adverse aorta-related events were defined by a composite of aortic rupture, aortic aneurysm, and surgical or endovascular aortic repair. RESULTS: The C-reactive protein value was 3.0 ± 4.6, 8.7 ± 5.9, 9.0 ± 5.5, and 5.7 ± 4.5 mg/dL on admission and 2 days, 1 week, and 2 weeks from the onset, respectively. The maximal value of C-reactive protein was 12.4 ± 6.3 mg/dL at a mean of 4 days from the onset. Patients with elevated C-reactive protein levels (≥7.2 mg/dL) at 2 weeks had significantly greater rates of aorta-related events (P < .001). On multivariate analysis, an elevated C-reactive protein level at 2 weeks (hazard ratio, 3.16; P < .001) and the development of an ulcer-like projection (hazard ratio, 2.68; P = .002) were independent predictors of adverse aorta-related events. In addition, an elevated C-reactive protein level at 2 weeks had incremental value compared with the development of an ulcer-like projection (chi-square, 16.94 for ulcer-like projection only vs 34.32 with the addition of C-reactive protein at 2 weeks, P < .001). CONCLUSIONS: C-reactive protein was a simple and useful marker providing incremental prognostic information compared with the development of an ulcer-like projection in patients with aortic intramural hematoma.
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