• Giuseppe Santarpino, Steffen Pfeiffer, Jürgen Jessl, Angelo Dell'Aquila, Ferdinand Vogt, Che von Wardenburg, Johannes Schwab, Joachim Sirch, Matthias Pauschinger, and Theodor Fischlein.
• Department of Cardiac Surgery, Cardiovascular Center, Klinikum Nürnberg, Paracelsus Medical University, Nuremberg, Germany. Electronic address: giuseppe.santarpino@klinikum-nuernberg.de.
• Am. J. Cardiol. 2015 Dec 1; 116 (11): 1737-43.

AbstractSurgical sutureless and interventional transcatheter aortic valve prostheses are nowadays extensively adopted in high-risk elderly patients. An explorative analysis was carried out to compare the clinical outcome and costs associated to these approaches. Since 2010, a total of 626 patients were distributed between transcatheter aortic valve implantation (TAVI; n = 364) and sutureless (n = 262) groups. Patients of both groups were not comparable for clinical and surgical characteristics, but many patients were in a "gray zone"; therefore, a retrospective propensity score analysis was possible and performed. For the matched pair samples, postoperative, follow-up clinical data, and costs data were obtained. In-hospital death occurred in 5 patients in sutureless group and 3 patients in TAVI group (p = 0.36). Blood transfusions were higher in sutureless group (2.1 ± 2.3 vs 0.4 ± 1.0 U). TAVI group had a shorter intensive care unit and hospital stay (2.2 ± 2.7 vs 3.2 ± 3.5 days, p = 0.037; 12 ± 6 vs 14 ± 6 days, p = 0.017). No differences in postoperative neurologic (p = 0.361), renal (p = 0.106), or respiratory (p = 0.391) complications were observed between groups. At follow-up (24.5 ± 13.8 months), 1 patient in sutureless group and 7 patients in TAVI group died (p = 0.032). Paravalvular leakage occurred more frequently in patients in TAVI group (35 [34%] vs 7 [6.9%]; p <0.001) with an impact on follow-up survival rate. The costs associated to the 2 procedures are similar when the cost of the device was excluded (p = 0.217). When included, the sutureless approach resulted a cost saving (€22,451 vs €33,877, p <0.001). In conclusion, the patients in the "gray zone" record a satisfying clinical outcome after sutureless surgery and TAVI. Patients in the sutureless group endure more hospital complications, but TAVI entails a higher follow-up mortality. On the costs aspects, TAVI technologies are more expensive, and it reflects on higher overall hospital costs.Copyright © 2015 Elsevier Inc. All rights reserved.

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