Key result
Type A aortic dissection links to higher neutrophils and leukocytes than Type B.
Why the study?
To investigate differences in clinical characteristics and risk factors between patients with the two Stanford subtypes of aortic dissection.
Cross-Sectional (n=908)
No
Effect estimate: AUC 0.627 (95% CI 0.561-0.693)
p-value: p=<.05
Stanford type A and type B aortic dissections present with distinct clinical and laboratory profiles, with type A showing higher levels of inflammatory and myocardial injury markers, which may assist in classification and diagnosis.
This study aims to investigate the difference of clinical characteristics and risk factors in aortic dissection (AD) of patients with 2 Stanford subtypes. A retrospective analysis was conducted on 908 patients admitted to Tongji Hospital from July 2019 to January 2021, and the aortic computed tomography angiography was used to clearly diagnose the artery dissection. Patient basic information as well as blood test indicators containing leukocytes, neutrophils, lymphocytes, hemoglobin, myoglobin, hypersensitive cardiac troponin, γ-glutamyl transferase, total cholesterol, triglyceride, high density lipoprotein, low density lipoprotein, ultrasensitive C-reactive protein, glucose were recorded and analyzed. There was no significant difference in gender, heart rate, smoking history, hypertension history and diabetes history between the 2 groups (P > .05), however, compared with type A patients, type B patients were older, and had a significantly higher frequency of alcohol consumption (P < .05); On laboratory tests, type A patients had significantly higher mean leukocytes and neutrophils (P < .05), and significantly lower frequency of reduced hemoglobin than type B patients (P < .05), although there was no statistical difference in lymphocyte, γ-glutamyl transferase, total cholesterol, triglyceride, high density lipoprotein, low density lipoprotein and glucose counts between the 2 groups. Additionally, type A patients had a significantly higher number of abnormal myoglobin, hypersensitive cardiac troponin and ultrasensitive C-reactive protein test results than type B patients (P < .05). The receiver operating characteristic curve analysis showed that the area under the curve for each parameter was 0.605 (0.538-0.673) for hemoglobin, 0.610 (0.543-0.677) for leukocytes and 0.627 (0.561-0.693) for neutrophils. Understanding the relevant clinical indicators and risk factors of patients with different types of AD can provide a new perspective to assist the classification and diagnosis of AD and a basis for effective and rational treatment.
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Zhang et al. (2023) conducted a cross-sectional in Aortic dissection (n=908). Stanford Type A vs. Stanford Type B was evaluated on Clinical characteristics and risk factors including neutrophils (AUC 0.627, 95% CI 0.561-0.693, p=<.05). Stanford Type A aortic dissection was associated with significantly higher neutrophils (AUC 0.627; 95% CI 0.561-0.693) and leukocytes (AUC 0.610; 95% CI 0.543-0.677) compared to Type B.
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