Response by Hyman et al to Letter Regarding Article, “Conscious Sedation Versus General Anesthesia for Transcatheter Aortic Valve Replacement: Insights From the National Cardiovascular Data Registry Society of Thoracic Surgeons/American College of Cardiology Transcatheter Valve Therapy Registry”
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We appreciate the interest shown in our article1 by Dr Sniecinski and colleagues. Their letter highlights (1) the limited anesthesia-specific data captured in the Society of Thoracic Surgeons (STS)/American College of Cardiologists (ACC) Transcatheter Valve Therapy Registry and (2) the possibility of confounding by indication in our analysis.
The current Transcatheter Valve Therapy Registry data dictionary defines conscious sedation as “a depressed, but arousable state” and general anesthesia as “a nonarousable state.” Although there is no explicit mention made of the use of endotracheal intubation (or of a laryngeal mask airway), we agree that the cases performed with an endotracheal tube were likely classified as general …