Fasting hyperglycemia as a prognostic factor in cardiac surgery

Authors

  • Lays Rodríguez Amador Hospital Clínico Quirúrgico "Hermanos Ameijeiras"
  • Beatriz Gonzalez Freijanes

Keywords:

Hiperglucemia de ayuno, cirugía cardiaca

Abstract

Introduction: Fasting hyperglycemia is a prognostic factor in surgery. Finding the highest risk threshold in cardiovascular surgery is a necessity in current medical practice.

Objective: To estimate the ideal fasting glycemic threshold for a better prognosis in the clinical evolution of patients undergoing cardiac surgery.

Methods: A prospective descriptive study was carried out in patients undergoing cardiac surgery, at Hermanos Ameijeiras Hospital from January to June 2017. The sample consisted of 191 patients; fasting blood glucose was determined in all patients. The Chi-square (X2) test of independence was used to evaluate the association between variables. A logistic regression analysis was performed to identify the independent effect of the variables studied. In addition, a Receiver Operating Characteristic Curve was constructed in which 1-specificity and sensitivity were plotted for each cut-off point defined for the glycemic values.

Results: The 40-69 years age of the patients predominated, the male sex represented 60.7% of the sample, 55.5% had normal blood glucose levels and only 1.6% showed blood glucose levels higher than 15 mmol / L.  Moreover, 33.5% had some type of complication, the patients with complications had blood glucose levels above 9.9 mmol / L in 84.4%. In the multivariate analysis, there was only statistical significance for the appearance of complications for glycaemia higher than 10 mmol / L.

Conclusions: fasting hyperglycemia was associated with higher risk of complications.

Keywords: fasting hyperglycemia; cardiac surgery, prognostic factors.

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Published

2020-12-10

How to Cite

1.
Rodríguez Amador L, Gonzalez Freijanes B. Fasting hyperglycemia as a prognostic factor in cardiac surgery. Rev Cubana Med [Internet]. 2020 Dec. 10 [cited 2025 Mar. 12];60(3). Available from: https://revmedicina.sld.cu/index.php/med/article/view/1343

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Original articles