Key result
Elevated plasma ADAMTS-7 levels (≥0.99 ng/mL) were independently associated with higher Syntax score tertiles (OR 3.058) in patients with stable obstructive coronary artery disease.
Why the study?
Is high plasma ADAMTS-7 level associated with increased severity of disease (Syntax score) in patients with stable obstructive coronary artery disease?
Cross-Sectional (n=182)
No
Is high plasma ADAMTS-7 level associated with increased severity of disease (Syntax score) in patients with stable obstructive coronary artery disease?
Odds Ratio: 3.058 (95% CI 1.194–7.83)
p-value: p=0.020
Elevated plasma ADAMTS-7 levels are positively correlated with higher Syntax scores, suggesting it may serve as a biomarker for disease severity in stable obstructive coronary artery disease.
Hypothesis-generating for ADAMTS-7 as CAD severity biomarker; prospective validation needed before clinical adoption.
The metalloproteinase family of a disintegrin and metalloproteinase with thrombospondin motifs-7 (ADAMTS-7) was reported to be a novel locus associated with human coronary artery disease. This study aimed to investigate plasma ADAMTS-7 levels in stable obstructive CAD patients and elucidate the relationship between plasma ADAMTS-7 levels and the severity of CAD assessed by the Syntax score.This was a single center cross-sectional study performed in 182 CAD patients. ELISA was used to measure plasma ADAMTS-7 levels. All patients were divided into subgroup according to the ADAMTS-7 median in this cohort: high group with ADAMTS-7 ≥0.99 ng/mL and low group with ADAMTS-7 <0.99 ng/mL. Furthermore, all patients were divided into tertiles according to their Syntax scores (low group: Syntax score ≤10.0; moderate group: 10.0 18.0). We followed up the participants continuously until the first major adverse cardiovascular event (MACE) for a mean time of 22.0 months.Plasma ADAMTS-7 levels in the high Syntax score group were significantly higher compared with the low Syntax score group (3.29 [0.08-26.3] ng/mL vs 1.24 [0.15-8.78] ng/mL, P = 0.010). Plasma ADAMTS-7 levels were significantly positively correlated with the Syntax score tertiles (r = 0.157, P = 0.035). Logistic regression analysis indicated that the plasma ADAMTS-7 level was one of the independent predictors for the Syntax score tertiles (B = 1.118, 95% CI: 1.194-7.830, P = 0.020), together with HbA1c (B = 0.946, 95% CI: 1.248-5.312, P = 0.010), uric acid (B = -0.019, 95% CI: 0.974-0.988, P<0.001), and coronary artery calcium score (B = -0.001, 95% CI: 0.998-0.999, P < 0.001). Compared with the low ADAMTS-7 group, the high ADAMTS-7 group had significantly higher Syntax score (17.10±8.42 vs 14.96 ± 8.11, P = 0.047). Kaplan-Meier analysis showed patients in the high plasma ADAMTS-7 group tend to have a lower event-free survival rate than patients in the low plasma ADAMTS-7 group, unfortunately, no difference was detected (86.8% vs 88.0%, log rank = 0.314, P = 0.575).The plasma ADAMTS-7 level was positively correlated with the Syntax score significantly. The elevated plasma ADAMTS-7 level may be involved in the severity of disease in patients with stable coronary artery disease.
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Yu et al. (2016) conducted a cross-sectional in Stable obstructive coronary artery disease (n=182). Plasma ADAMTS-7 levels vs. Low plasma ADAMTS-7 levels (<0.99 ng/mL) was evaluated on Syntax score tertiles (OR 3.058, 95% CI 1.194-7.830, p=0.020). Elevated plasma ADAMTS-7 levels (≥0.99 ng/mL) were independently associated with higher Syntax score tertiles (OR 3.058) in patients with stable obstructive coronary artery disease.
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