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Novel risk scoring system with preoperative objective parameters gives a good prediction of 1-year mortality in patients with a left ventricular assist device.
University of Tokyo, Japan.
University of Tokyo, Japan .
University of Tokyo, Japan .
University of Tokyo, Japan .
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2012 (English)In: Circulation Journal, ISSN 1346-9843, E-ISSN 1347-4820, Vol. 76, no 8, 1895-1903 p.Article in journal (Refereed) Published
Abstract [en]

BACKGROUND:

As we have previously reported, the preoperative profile defined by INTERMACS is a good predictor for the prognosis after left ventricular assist device (LVAD) implantation, but is largely dependent on the physician's decision. Several other risk stratification systems including objective parameters (eg, Leitz-Miller, Columbia, Seattle Heart Failure Model, APACHE II) have been proposed to estimate patient's mortality after LVAD implantation.

METHODS AND RESULTS:

According to the preoperative data from 59 patients who received LVAD (10 implantable, 49 extracorporeal) since 2002 through 2010, we performed a logistic analysis and constructed a new scoring system (ie, the TODAI VAD score (TVAD score), assigning 8 points to serum albumin <3.2mg/dl (odds ratio [OR] 8.475), 7 points to serum total bilirubin >4.8mg/dl (OR 7.300), 6 points to left ventricular end-diastolic diameter <55mm (OR 5.917), 5 points to central venous pressure >11mmHg (OR 5.128)). The receiver-operating characteristic analysis showed that the area under the curve of our new scoring system (0.864) was significantly larger than any of the abovementioned 5 scoring methods (all P<0.05). With the TVAD score, low (0-8 points), intermediate (9-17 points), and high (18-26 points) risk strata had significantly different 1-year survival rates of 95%, 54%, and 14%, respectively (all P<0.001).

CONCLUSIONS:

The TVAD score can predict the prognosis after LVAD implantation much better than the previously known methods.

Place, publisher, year, edition, pages
Japanese Circulation Society , 2012. Vol. 76, no 8, 1895-1903 p.
Keyword [en]
Continuous flow; Heart failure; Prognosis; Right ventricular dysfunction
National Category
Health Sciences
Identifiers
URN: urn:nbn:se:liu:diva-111195DOI: 10.1253/circj.CJ-12-0182ISI: 000306936900019PubMedID: 22664936OAI: oai:DiVA.org:liu-111195DiVA: diva2:754472
Note

Funding Agencies|FUGAKU trust for medicinal research; Japan Society for the Promotion of Science [224943]; Japan Society for the Promotion of Science (JSPS) through its Funding Program for World-Leading Innovative RandD on Science and Technology (FIRST Program)

Available from: 2014-10-10 Created: 2014-10-10 Last updated: 2017-12-05Bibliographically approved

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Kato, Naoko

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  • apa
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