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Di Marino S, Viceconte N, Lembo A, et al. Early metabolic response to acute myocardial ischaemia in patients undergoing elective coronary angioplasty. Open Heart. 2018;5(1):e000709doi: 10.1136/openhrt-2017-000709.
Di Marino, S., Viceconte, N., Lembo, A., Summa, V., Tanzilli, G., Raparelli, V., Truscelli, G., Mangieri, E., Gaudio, C., & Cicero, D. O. (2018). Early metabolic response to acute myocardial ischaemia in patients undergoing elective coronary angioplasty. Open heart, 5(1), e000709. https://doi.org/10.1136/openhrt-2017-000709
Di Marino, Sara, et al. "Early metabolic response to acute myocardial ischaemia in patients undergoing elective coronary angioplasty." Open heart vol. 5,1 (2018): e000709. doi: https://doi.org/10.1136/openhrt-2017-000709
Di Marino S, Viceconte N, Lembo A, Summa V, Tanzilli G, Raparelli V, Truscelli G, Mangieri E, Gaudio C, Cicero DO. Early metabolic response to acute myocardial ischaemia in patients undergoing elective coronary angioplasty. Open Heart. 2018 Mar 10;5(1):e000709. doi: 10.1136/openhrt-2017-000709. eCollection 2018. PMID: 29632675; PMCID: PMC5888439.
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Open Heart. 2018 Mar 10;5(1):e000709. doi: 10.1136/openhrt-2017-000709. eCollection 2018.

Early metabolic response to acute myocardial ischaemia in patients undergoing elective coronary angioplasty.

Open heart

Sara Di Marino, Nicola Viceconte, Angelo Lembo, Vincenzo Summa, Gaetano Tanzilli, Valeria Raparelli, Giovanni Truscelli, Enrico Mangieri, Carlo Gaudio, Daniel Oscar Cicero

Affiliations

  1. IRBM Science Park S.p.A., Pomezia, Italy.
  2. Department of Cardiovascular, Respiratory, Nephrologic, Anaesthesiologic and Geriatric Sciences, Sapienza University of Rome, Policlinico Umberto I, Rome, Italy.
  3. Department of Experimental Medicine, Sapienza University of Rome, Policlinico Umberto I, Rome, Italy.
  4. Department of Chemical Science and Technology, Università di Roma "Tor Vergata", Rome, Italy.

PMID: 29632675 PMCID: PMC5888439 DOI: 10.1136/openhrt-2017-000709

Abstract

OBJECTIVE: Balloon-induced transient coronary ischaemia represents a model of myocardial ischaemia and reperfusion. We are interested in the very early systemic metabolic response to this event.

METHODS: Blood samples of patients with stable angina (SA) were collected before and after coronary angioplasty. Serum metabolic profiles were obtained using nuclear magnetic resonance spectroscopy. Univariate and multivariate analyses were used to investigate changes in metabolite concentrations.

RESULTS: Thirty-four consecutive patients with SA, undergoing elective coronary angioplasty at Policlinico Umberto I of Rome, were included in this study. Changes in metabolites concentration induced by balloon occlusion in venous and arterial sera were detected. In both serum types, a significant increase in ketone bodies, 2-hydroxybutyrate, glutamine and O-acetylcarnitine concentration is observed, while alanine, lactate, phenylalanine and tyrosine decreased after intervention. Most significant metabolic changes were detected in arterial serum.

CONCLUSIONS: Our study points out two main global metabolic changes in peripheral blood after balloon-induced coronary ischaemia: ketone bodies increase and lactate decrease. Both could be related to compensation mechanisms finalised to fulfil heart's needs after short period of myocardial ischaemia and probably after reperfusion.

Keywords: biostatistics; cardiac catheterization and angiography; chronic coronary disease; coronary artery disease; percutaneous coronary intervention

Conflict of interest statement

Competing interests: None declared.

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