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Mechanical heart va...
Mechanical heart valve prosthesis and warfarin : treatment quality and prognosis
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- Grzymala-Lubanski, Bartosz (författare)
- Umeå universitet,Medicin,Internal medicine, Sundsvall Hospital
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- Labaf, Ashkan (författare)
- Lund University,Lunds universitet,Klinisk koagulationsmedicin, Malmö,Forskargrupper vid Lunds universitet,Clinical Coagulation, Malmö,Lund University Research Groups,Department for Coagulation Disorders, University of Lund, Malmö, Sweden
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- Englund, Erling (författare)
- Department of Research and Development, County Council of Västernorrland, Sundsvall Hospital, Sundsvall, Sweden
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- Svensson, Peter (författare)
- Lund University,Lunds universitet,Klinisk koagulationsmedicin, Malmö,Forskargrupper vid Lunds universitet,Clinical Coagulation, Malmö,Lund University Research Groups,Department for Coagulation Disorders, University of Lund, Malmö, Sweden
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- Själander, Anders (författare)
- Umeå universitet,Medicin,Sundsvall Research Unit
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(creator_code:org_t)
- Elsevier, 2014
- 2014
- Engelska.
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Ingår i: Thrombosis Research. - : Elsevier. - 0049-3848 .- 1879-2472. ; 133:5, s. 795-798
- Relaterad länk:
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http://www.ncbi.nlm....
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http://dx.doi.org/10...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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https://lup.lub.lu.s...
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Abstract
Ämnesord
Stäng
- Introduction: Every year about 2500 patients in Sweden undergo surgery due to heart valve disease. A mechanical heart valve prosthesis causes risk of thromboembolic stroke or thrombus formation in the valve while anticoagulant treatment increases the risk of bleeding. Treatment quality with warfarin is crucial for patients with mechanical valve prostheses. It has previously been shown that poorly controlled warfarin treatment increases mortality in this patient group. TTR (Time in Therapeutic Range) on warfarin has been shown to affect the risk of complications in atrial fibrillation, but has not been studied in patients with mechanical heart valves. Our aim is to evaluate the impact of TTR on the risk of complications in this patient group. Materials and Methods: A non-randomized, prospective study of 534 adults with mechanical heart valve prostheses from Malmo and Sundsvall registered in the Swedish National Quality Registry Auricula between 01.01.2008 and 31.12.2011. Quartiles regarding individual TTR levels were compared regarding risk of complications. Results: The risk of complications was significantly higher at lower TTR levels for all complications (p = 0.005), bleeding (p = 0.01) and death (p = 0.018) but not for thromboembolism. In multivariate analysis the risk was significantly increased at lower TTR levels for bleeding and all complications but not for death or thromboembolism. Conclusion: Patients with a lower warfarin treatment quality measured by TTR have a higher risk of complications such as severe bleeding or death. A TTR of 83% or higher at the individual level should be obtained for best outcome.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Kardiologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Cardiac and Cardiovascular Systems (hsv//eng)
Nyckelord
- TTR
- Warfarin
- Mechanical heart valve prosthesis
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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