{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,13]],"date-time":"2026-02-13T23:55:58Z","timestamp":1771026958664,"version":"3.50.1"},"reference-count":35,"publisher":"MDPI AG","issue":"6","license":[{"start":{"date-parts":[[2025,5,28]],"date-time":"2025-05-28T00:00:00Z","timestamp":1748390400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["JCDD"],"abstract":"<jats:p>Background: Serum uric acid and serum creatinine ratio (SUA\/sCr) is strongly linked to increased cardiovascular risk. Atherosclerotic renal artery stenosis (ARAS) is a secondary cause of hypertension and is associated with ischemic nephropathy, congestive heart failure, accelerated cardiovascular disease, and autonomic dysfunction. The aim of this study was to investigate whether SUA levels and SUA\/sCr could represent markers of autonomic dysfunction and increased left ventricular mass index (LVMI) in patients with ARAS. Methods: Patients diagnosed with ARAS were enrolled in the study. All patients underwent clinical evaluation, biochemical analysis, 24 h electrocardiogram (ECG), and Renal Doppler Ultrasound with renal resistive index parameters. Heart rate variability for global autonomic dysfunction was assessed through the analysis of a 24 h ECG to detect the standard deviation of normal-to-normal RR intervals (SDNN). Echocardiographic measurement of LVMI was performed. Results: A total of 27 patients (F = 16 (59%), median age 67 years (IQR 60\u201377)) diagnosed with ARAS were enrolled in the study. We found a statistically significant negative linear correlation between SUA\/sCr and SDNN (r = \u22120.519, p &lt; 0.01). We found a statistically significant positive linear correlation between SUA\/sCr and LVMI (r = 0.413, p &lt; 0.05). Median SDNN was significantly lower in patients with SUA \u2265 5.6 mg\/dL than in patients with SUA &lt; 5.6 mg\/dL (94.2 (IQR 86.8\u2013108.1) vs. 112.8 (IQR 108.9\u2013114.7), p &lt; 0.01). Median LVMI was significantly higher in patients with SUA \u2265 5.6 mg\/dL compared to patients with SUA &lt; 5.6 mg\/dL (133 g\/m2 (IQR 120\u2013149) vs. 111 g\/m2 (IQR 99\u2013129), p &lt; 0.05). Conclusion: In patients with ARAS, SUA\/sCr is associated with autonomic dysfunction and LVMI in ARAS patients. The ratio and related cut-off value of SUA\/sCr could represent a useful biomarker to evaluate cardiovascular risk in ARAS patients.<\/jats:p>","DOI":"10.3390\/jcdd12060202","type":"journal-article","created":{"date-parts":[[2025,5,28]],"date-time":"2025-05-28T06:30:26Z","timestamp":1748413826000},"page":"202","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["The Role of Serum Uric Acid and Serum Creatinine Ratio as Possible Markers of Autonomic Dysfunction and Left Ventricular Mass Index in Atherosclerotic Renal Artery Stenosis"],"prefix":"10.3390","volume":"12","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-2015-765X","authenticated-orcid":false,"given":"Antonietta","family":"Gigante","sequence":"first","affiliation":[{"name":"Department of Translational and Precision Medicine, Sapienza University of Rome, 00185 Rome, Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Rosa","family":"Cascone","sequence":"additional","affiliation":[{"name":"Department of Translational and Precision Medicine, Sapienza University of Rome, 00185 Rome, Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1077-4846","authenticated-orcid":false,"given":"Chiara","family":"Pellicano","sequence":"additional","affiliation":[{"name":"Department of Translational and Precision Medicine, Sapienza University of Rome, 00185 Rome, Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Francesco","family":"Iannazzo","sequence":"additional","affiliation":[{"name":"Department of Translational and Precision Medicine, Sapienza University of Rome, 00185 Rome, Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Francesca Romana","family":"Gadaleta","sequence":"additional","affiliation":[{"name":"Department of Translational and Precision Medicine, Sapienza University of Rome, 00185 Rome, Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7417-8093","authenticated-orcid":false,"given":"Edoardo","family":"Rosato","sequence":"additional","affiliation":[{"name":"Department of Translational and Precision Medicine, Sapienza University of Rome, 00185 Rome, Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7886-8027","authenticated-orcid":false,"given":"Rosario","family":"Cianci","sequence":"additional","affiliation":[{"name":"Department of Translational and Precision Medicine, Sapienza University of Rome, 00185 Rome, Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2025,5,28]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","unstructured":"Li, Y., Chen, Z., Lan, R., Ran, T., He, J., Li, J., Shi, Q., Mao, M., and Zuo, Z. 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