• Ryota Kaichi, Shoji Kawakami, Yoshio Tahara, Fumiyuki Otsuka, Yu Kataoka, Yasuhide Asaumi, and Teruo Noguchi.
• Department of Cardiovascular Medicine, National Cerebral and Cardiovascular Center, Japan.
• Intern. Med. 2024 Sep 1; 63 (17): 237723842377-2384.

AbstractObjective Earlobe crease (ELC) is an easily detectable physical sign of cardiovascular risk and coronary artery disease (CAD). However, the relationship between ELC and CAD severity in patients with ST-segment elevation myocardial infarction (STEMI) requiring urgent clinical judgment is unknown. Using the residual synergy between percutaneous coronary intervention with taxus and cardiac surgery (SYNTAX) score, we investigated the relationship between ELC and anatomical severity of CAD. Methods We studied 219 consecutive patients with STEMI (median age, 71 years old) and divided them into 2 groups according to the presence of ELC (ELC group, n=161; non-ELC group, n=58). Results The ELC group had a significantly higher number of diseased vessels than the non-ELC group (≥2 diseased vessels, 79% vs. 46%; ≥3 diseased vessels, 35% vs. 12%; p<0.001). In addition, a higher median residual SYNTAX score was observed after primary percutaneous coronary intervention than the non-ELC group [8 (4-12) vs. 3 (0-8), p<0.001]. Furthermore, a multivariable regression analysis showed that ELC was an independent predictor of the residual SYNTAX score (β=3.620, p<0.001). Conclusions The presence of ELC was significantly associated with the anatomical severity of diseased coronary vessels in patients with STEMI who required emergency clinical judgment and treatment.

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