undergoing vascular surgery. A study by Schouten et al. revealed that N-terminal brain natriuretic peptide has the ability to predict not only perioperative risk but also long-term cardiac risk in patients scheduled for vascular surgery. 3 Therefore, we would be grateful if the authors have and would provide the data regarding the prognostic significance of perioperative troponin and N-terminal brain natriuretic peptide levels and their association with serum magnesium levels in peripheral vascular surgery patients. References 1 Whittaker JD, Downes F, Becker H, et al. Influence of perioperative serum magnesium for cardiac and noncardiac morbidity and mortality following emergency peripheral vascular surgery. J Cardiothorac Vasc Anesth 2018. 2 Sandoval Y, Zakharova M, Rector TS, et al. Frequency of increase in cardiac troponin levels after peripheral arterial operations (carotid endarterectomy, abdominal aorta procedure, distal bypass) and their effect on medical management. Am J Cardiol 2016;118:1929-34. 3 Schouten O, Hoeks SE, Goei D, et al. Plasma N-terminal pro-B-type natriuretic peptide as a predictor of perioperative and long-term outcome after vascular surgery. J Vasc Surg 2009;49:435-41. discussion 441-2.
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