Thorac Cardiovasc Surg 2020; 68(04): 301-308
DOI: 10.1055/s-0039-1683425
Original Cardiovascular
Georg Thieme Verlag KG Stuttgart · New York

Outcomes of Patients after Implantation of the Pericardial All-Biological Valve No-React Aortic Conduit (BioIntegral) for Root Replacement in Complex Surgical Procedures

Thomas Puehler
1   Klinik für Herz- und Gefäßchirurgie, Universitatsklinikum Schleswig-Holstein Campus Kiel, Kiel, Germany
,
Sandra Freitag-Wolf
2   Institute of Medical Informatics and Statistics, Universitatsklinikum Schleswig-Holstein Campus Kiel, Kiel, Schleswig-Holstein, Germany
,
Christine Friedrich
1   Klinik für Herz- und Gefäßchirurgie, Universitatsklinikum Schleswig-Holstein Campus Kiel, Kiel, Germany
,
Mohamed Salem
1   Klinik für Herz- und Gefäßchirurgie, Universitatsklinikum Schleswig-Holstein Campus Kiel, Kiel, Germany
,
Jochen Renner
3   Klinik für Anaesthesiologie und Intensivmedizin, Universitatsklinikum Schleswig-Holstein Campus Kiel, Kiel, Schleswig-Holstein, Germany
,
Joachim Cremer
1   Klinik für Herz- und Gefäßchirurgie, Universitatsklinikum Schleswig-Holstein Campus Kiel, Kiel, Germany
,
Assad Haneya
1   Klinik für Herz- und Gefäßchirurgie, Universitatsklinikum Schleswig-Holstein Campus Kiel, Kiel, Germany
› Author Affiliations
Further Information

Publication History

22 August 2018

29 January 2019

Publication Date:
28 March 2019 (online)

Abstract

Objective Therapy of complex aortic root pathologies remains a great surgical challenge. Though different graft materials are available to replace the often-destroyed aortic root, long durability and freedom from reoperation of the latter are still under debate. The aim of our study was to investigate patients' postoperative outcome after implantation of the BioIntegral conduit in complex aortic root pathologies.

Methods From February 2014 to May 2017, 33 consecutive patients (69.7% male) with a median age of 73 (57.5; 76.2) years underwent aortic root replacement with the BioIntegral conduit at our institution. Severe aortic valve endocarditis (78.8%) was the predominant indication for surgery. In 28 patients (84.9%), implantation was performed as redo or in 87.8% as urgent and emergent surgery. Primary end-point was the 30-day survival time, evaluated by Cox regression analysis. Secondary midterm outcome and graft-related reoperation were analyzed.

Results Median follow-up for all patients was 178 (8; 659) days. Median EuroScore II was 19.9% (13.4; 29.9). Freedom from reoperation was 97%. The overall 30-day mortality rate was 33% mainly caused by multiorgan failure in six (18.2%) patients and cardiac failure in five (15.1%) patients. One further death occurred during follow-up at day 156. None was directly conduit-related. Graft reinfection after the 4th surgery with basal abscess formation occurred in only one patient (3%). Early echocardiographic assessment of the valve revealed good functional results. A higher EuroScore II was significantly associated with a poorer 30-day survival time (hazard ratio, 1.039; 95% confidence interval, 1.015–1.063, p = 0.001).

Conclusion Aortic root replacement for complex pathologies is associated with substantial 30-day mortality, but survival of patients after discharge from hospital was stable. Early functional status of the BioIntegral valve was good. Though freedom from re-operation was low, long-term outcome and long-term functional status have to be further evaluated.

Disclaimer

The German Society for Thoracic and Cardiovascular Surgery (DGTHG) and The Thoracic and Cardiovascular Surgeon neither endorse nor discourage the use of the product described in this publication.


 
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