Αρχειοθήκη ιστολογίου

Αλέξανδρος Γ. Σφακιανάκης
ΩτοΡινοΛαρυγγολόγος
Αναπαύσεως 5
Άγιος Νικόλαος Κρήτη 72100
2841026182
6032607174

Σάββατο 9 Σεπτεμβρίου 2017

Lack of benefit of near-infrared spectroscopy monitoring for improving patient outcomes. Case closed?

Near-infrared spectroscopy (NIRS) monitoring of regional cerebral oxygen saturation (rSco2) during cardiac surgery has been available to clinicians for more than three decades.12 This monitoring is attractive because it is non-invasive, requires minimal user technical expertise, provides an intuitively important end point (oxygenation of the superficial cerebral cortex), and has a continuous output. As a result of these features, NIRS monitoring overcomes many of the limitations of existing monitors for judging adequacy of cerebral perfusion during surgery [(particularly, throughout cardiopulmonary bypass (CPB)], such as electroencephalography, transcranial Doppler monitoring, and jugular bulb venous oxygen saturation. Early reports showing the value of bilateral rSco2 monitoring for early detection of CPB oxygenator malfunction, arterial or venous cannula malposition, and occult aortic dissection, in addition to utility during aortic arch surgery, fuelled enthusiasm for its adoption in cardiac surgery.2 This enthusiasm was broadened with publication of non-randomized, observational studies showing a link between reduction from baseline rSco2 (i.e. 'desaturations') during CPB and a variety of neurological end points, including postoperative cognition dysfunction (POCD) and stroke.2 Interpretation of these data, however, are confounded by many methodological limitations.

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