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Cox-maze IV cryoablation and postoperative heart failure in mitral valve surgery patients
Linköping University, Department of Medical and Health Sciences, Division of Cardiovascular Medicine. Region Östergötland, Heart and Medicine Center, Department of Thoracic and Vascular Surgery. Linköping University, Faculty of Medicine and Health Sciences.
Linköping University, Department of Medical and Health Sciences, Division of Cardiovascular Medicine. Region Östergötland, Heart and Medicine Center, Department of Clinical Physiology in Linköping. Linköping University, Faculty of Medicine and Health Sciences.
Linköping University, Department of Medical and Health Sciences, Division of Cardiovascular Medicine. Region Östergötland, Heart and Medicine Center, Department of Clinical Physiology in Linköping. Linköping University, Faculty of Medicine and Health Sciences.
Linköping University, Department of Medical and Health Sciences, Division of Cardiovascular Medicine. Region Östergötland, Heart and Medicine Center, Department of Thoracic and Vascular Surgery. Linköping University, Faculty of Medicine and Health Sciences.
2017 (English)In: Scandinavian Cardiovascular Journal, ISSN 1401-7431, E-ISSN 1651-2006, Vol. 51, no 1, 15-20 p.Article in journal (Refereed) Published
Abstract [en]

OBJECTIVE: The indications for and the risk and benefit of concomitant surgical ablation for atrial fibrillation (AF) have not been fully delineated. Our aim was to survey whether the Cox-maze IV procedure is associated with postoperative heart failure (PHF) or other adverse short-term outcomes after mitral valve surgery (MVS).

DESIGN: Consecutive patients with AF undergoing MVS with (n = 50) or without (n = 66) concomitant Cox-maze IV cryoablation were analysed regarding perioperative data and one-year mortality.

RESULTS: The patients in the Maze group were younger, were in lower NYHA classes, had better right ventricular function and had lower pulmonary artery pressure. The Maze group had 30 min longer median cross-clamp time (CCT) and 50% had PHF compared with 33% in the No-maze group, p = 0.09. Two patients in the No-maze group died within one year of surgery. Congestive heart failure (OR 4.3 [CI 95%: 1.8-10], p < 0.0001) and CCT (OR 1.03 [CI 95%: 1.01-1.04], p = 0.001) were associated with PHF.

CONCLUSION: The current data cannot exclude that concomitant cryoablation increases the risk for PHF, possibly by increasing the cross clamp time.

Place, publisher, year, edition, pages
Taylor & Francis, 2017. Vol. 51, no 1, 15-20 p.
National Category
Clinical Medicine
Identifiers
URN: urn:nbn:se:liu:diva-134010DOI: 10.1080/14017431.2016.1196827ISI: 000392468400003PubMedID: 27248647OAI: oai:DiVA.org:liu-134010DiVA: diva2:1066347
Note

Funding agencies: ALF funding, County Council of Ostergotland, Sweden

Available from: 2017-01-18 Created: 2017-01-18 Last updated: 2017-06-16

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Boano, GabriellaÅström Aneq, MeriamKemppi, JennieVánky, Farkas
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Division of Cardiovascular MedicineDepartment of Thoracic and Vascular SurgeryFaculty of Medicine and Health SciencesDepartment of Clinical Physiology in Linköping
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