Search: onr:"swepub:oai:DiVA.org:uu-216406" >
Cavoaortic shunt im...
-
Vikholm, PerUppsala universitet,Thoraxkirurgi
(author)
Cavoaortic shunt improves hemodynamics with preserved oxygen delivery in experimental right ventricular failure during left ventricular assist device therapy
- Article/chapterEnglish2014
Publisher, publication year, extent ...
-
Elsevier BV,2014
-
printrdacarrier
Numbers
-
LIBRIS-ID:oai:DiVA.org:uu-216406
-
https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-216406URI
-
https://doi.org/10.1016/j.jtcvs.2013.02.010DOI
Supplementary language notes
-
Language:English
-
Summary in:English
Part of subdatabase
Classification
-
Subject category:ref swepub-contenttype
-
Subject category:art swepub-publicationtype
Notes
-
OBJECTIVE:Right heart failure is a major cause of morbidity and mortality after left ventricular assist device (LVAD) implantation. This study evaluated the approach of a cavoaortic shunt included in the LVAD circuit, which would aim to relieve venous congestion and improve hemodynamics with preserved oxygen delivery during induced right ventricular failure.METHODS:Right ventricular failure was induced by coronary ligation in 10 pigs. An LVAD was implanted and a cavoaortic shunt was created from the right atrium and included in the assist circuit. Hemodynamic measures and blood gas analyses were analyzed. Oxygen delivery and oxygen consumption were estimated.RESULTS:Right atrial pressure decreased from more than 20 mm Hg to 17.2 mm Hg (14.8-18.4) with the LVAD and to 14.1 mm Hg (11.2-15.5) (P < .01) with the LVAD and cavoaortic shunt. Mean arterial pressure increased from 70.9 mm Hg (67.6-79.8) to 81.5 mm Hg (70.8-92.6) (P = .02) with addition of the shunt into the assist circuit. Cardiac output increased from 3.5 L/min (2.6-4.2) to 4.9 L/min (3.5-5.6) (P < .01) with cavoaortic shunting. Oxygen delivery with the cavoaortic shunt was 337 mL/min (±70) as compared with left ventricular assist alone at 258 mL/min (±52) (P < .01). Oxygen consumption was restored during use of the cavoaortic shunt.CONCLUSIONS:A cavoaortic shunt combined with an LVAD during right ventricular failure reduces central venous pressures, increases systemic arterial pressure, and enables increased cardiac output compared with device therapy alone. This was feasible with preserved oxygen delivery.
Added entries (persons, corporate bodies, meetings, titles ...)
-
Schiller, PetterUppsala universitet,Thoraxkirurgi(Swepub:uu)pesch021
(author)
-
Johansson, JakobUppsala universitet,Anestesiologi och intensivvård(Swepub:uu)jakojoha
(author)
-
Hellgren, LailaUppsala universitet,Thoraxkirurgi(Swepub:uu)lahel172
(author)
-
Uppsala universitetThoraxkirurgi
(creator_code:org_t)
Related titles
-
In:Journal of Thoracic and Cardiovascular Surgery: Elsevier BV147:2, s. 625-6310022-52231097-685X
Internet link
Find in a library
To the university's database