Low Ejection Fraction Is a Predictor of Intraprocedural Cardiopulmonary Resuscitation in Patients Undergoing TAVI - Eghbalzadeh, K.; Gablac, H.; Kuhn, E.; Sabashnikov, A.; Zeriouh, M.; Weber, C.; Rudolph, T.; Baldus, S.; Mader, N.; Wahlers, T. (The Thoracic and Cardiovascular Surgeon, 2018)