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Observational Study
. 2018;27(3):278-284.
doi: 10.1159/000488197. Epub 2018 Mar 7.

Preoperative Midregional Pro-Adrenomedullin and High-Sensitivity Troponin T Predict Perioperative Cardiovascular Events in Noncardiac Surgery

Mlađjan Golubović  1 , Radmilo Janković  1   2 , Dušan Sokolović  2 , Vladan Ćosić  3 , Vera Maravić-Stojkovic  4 , Tomislav Kostić  2   5 , Zoran Perišić  2   5 , Nebojša Lađević  6   7
Affiliations
Observational Study

Preoperative Midregional Pro-Adrenomedullin and High-Sensitivity Troponin T Predict Perioperative Cardiovascular Events in Noncardiac Surgery

Mlađjan Golubović et al. Med Princ Pract. 2018.

Abstract

Objective: We evaluated the utility of preoperative midregional (MR) pro-adrenomedullin (proADM) and cardiac troponin T (TnT) for improved detection of patients at high risk for perioperative cardiac events and mortality after major noncardiac surgery.

Subjects and methods: This prospective, single-center, observational study enrolled 79 patients undergoing major noncardiac surgery. After initial clinical assessment (clinical history, physical examination, echocardiogram, blood tests, and chest X-ray), MR-proADM and high-sensitivity TnT (hsTnT) were measured within 48 h prior to surgery by immunoluminometric and electrochemiluminescence immunoassay. Patients were followed by the consulting physician until discharge or up to 14 days in the hospital after surgery. Perioperative cardiac events included myocardial infarction and development or aggravation of congestive heart failure. Data were compared between patients who developed target events and event-free patients.

Results: Within 14 days of monitoring, 14 patients (17.72%) developed target events: 9 (11.39%) died and 5 (6.33%) developed cardiovascular events. The average age of the patients was 71.29 ± 6.62 years (range: 55-87). Sex, age, and hsTnT did not significantly differ between groups. MR- proADM concentration was higher in deceased patients (p = 0.01). The upper quartile of MR-proADM was associated with a fatal outcome (66.7 vs. 20.0%, p < 0.01) and with cardiovascular events (64.3 vs. 16.9%, p < 0.01). MR-proADM above the cutoff value (≥0.85) was associated with a fatal outcome (88.9 vs. 20.0%, p < 0.01) and cardiovascular events (71.4 vs. 28.6%, p < 0.01); this association was not observed for hsTnT.

Conclusion: Preoperative measurement of MR-proADM provides useful information for perioperative cardiac events in high-risk patients scheduled for noncardiac surgery.

Keywords: High-sensitivity troponin; Midregional pro-adrenomedullin; Periooperative complications.

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Figures

Fig. 1
Fig. 1
ROC curve for midregional pro-adrenomedullin (MR- proADM) and high-sensitivity troponin T (hsTnT).
Fig. 2
Fig. 2
Kaplan-Meier survival rate curve in relation to the values of midregional pro-adrenomedullin (MR-proADM; cutoff: 0.85).
Fig. 3
Fig. 3
Kaplan-Meier survival rate curve in relation to the values of high-sensitivity troponin T (hsTnT; cutoff: 7.50).
See this image and copyright information in PMC

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