Key result
Low ABI in stable CAD links to a ~50% rate of triple vessel disease and high SYNTAX scores.
Why the study?
Peripheral arterial disease and coronary artery disease share common risk factors, but the relationship between ankle brachial index and coronary artery disease severity assessed by SYNTAX score was unclear.
Is a low ankle brachial index associated with higher severity of coronary artery disease as assessed by SYNTAX score in patients with stable CAD?
Cross-Sectional (n=100)
No
Is a low ankle brachial index associated with higher severity of coronary artery disease as assessed by SYNTAX score in patients with stable CAD?
A low ankle brachial index is significantly associated with severe coronary artery disease, including triple vessel disease and a high SYNTAX score, in patients with stable CAD.
Low ABI was associated with severe CAD on SYNTAX scoring; extends observational links but leaves open prospective validation for risk stratification.
Background: Peripheral arterial disease and coronary artery disease shares common risk factors for Etiopathogenesis. Present study is designed to find out relationship between ankle brachial index (ABI) and SYNTAX Score.Methods: Total 100 consecutive patients of stable coronary artery disease in whom angiography was indicated were taken for the study. ABI was measured by using 8 MHz vascular Doppler before coronary angiography and SYNTAX SCORE was calculated by using online SYNTAX score calculator. Statistical analysis was done by SPSS 21 software.Results: There was significant correlation in between low ABI and presence of triple vessel disease in comparison to presence of single or double vessel disease for which it was not significant. (P<0.001) There was significant correlation in between high SYNTAX score >32 and low ABI group (P=0.005) although this relationship was not seen in case of low and intermediate SYNTAX Score and low ABI.Conclusions: presence of low ABI signifies presence of high SYNTAX Score and presence of triple vessel disease.
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Tripathi et al. (2016) conducted a cross-sectional in Stable coronary artery disease (n=100). Low ankle brachial index (ABI < 0.9) vs. Normal ankle brachial index (ABI ≥ 0.9) was evaluated on Presence of triple vessel disease (p=<0.001). Low ankle brachial index (<0.9) was significantly associated with the presence of triple vessel disease (49% vs 9%, p<0.001) and a high SYNTAX score (>32) in patients with stable coronary artery disease.
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