2016
DOI: 10.1093/ejcts/ezv438
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Impact of positional relationship of commissures on cusp function after valve-sparing root replacement for regurgitant bicuspid aortic valve

Abstract: In terms of freedom from aortic regurgitation and valve function, similar outcomes were achieved in both despite different repair techniques used for fixation of commissures during valve-sparing aortic root replacement in BAV. However, attention should be paid to patients with 180° commissural reposition because of a trend towards higher TVPG.

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Cited by 11 publications
(8 citation statements)
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“…On the other hand, as the NFC angle increases, the orifice shape becomes narrower and is followed by higher jet flow velocity magnitudes. This could result in an increased peak systolic pressure gradient [54][55][56] in order to compensate for the narrowed orifice area. The jet flow of the increased NFC angles is centered, which is the preferred jet flow direction.…”
Section: Discussionmentioning
confidence: 99%
“…On the other hand, as the NFC angle increases, the orifice shape becomes narrower and is followed by higher jet flow velocity magnitudes. This could result in an increased peak systolic pressure gradient [54][55][56] in order to compensate for the narrowed orifice area. The jet flow of the increased NFC angles is centered, which is the preferred jet flow direction.…”
Section: Discussionmentioning
confidence: 99%
“…Figure 3, G, shows a competent valve with no leakage in patient with bicuspid aortic valve after free margin plication on a fused cusp. 7 Postoperative TEE also showed no residual AR (Figure 3, H). Figure 3, I, shows a significant leakage of an eccentric jet from the bileafleted noncoronary cusp in patient with a quadricuspid aortic valve.…”
Section: Resultsmentioning
confidence: 85%
“…Details of the operative techniques are described in our previous report. 7,8 After the replacement of the aortic root with a Valsalva graft (Terumo Medical, Somerset, NJ) with 12 reinforced 3-0 polyester mattress sutures in the first row and continuous 5-0 polypropylene sutures in the second row, cusp repair was performed in cases of necessity. The cusp competency was assessed by the administration of cardioplegic (CP) solution before coronary implantation.…”
Section: Materials and Methods Operative Technique And Approach To Intraoperative Assessmentmentioning
confidence: 99%
“…Zusätzlich sind aber auch das Ausmaß der Verkalkung der Aortenklappe, die Bestimmung der linksventrikulären Funktion und Wanddicke sowie der Schlagvolumenindex wichtige Parameter [2]. Nach sorgfältiger echokardiografischer Analyse sind folgende Typen einer schweren Aortenklappenstenose bekannt: ▪ Aortenklappenstenose mit hohem Gradienten (Öffnungsfläche < 1,0 cm², mittlerer Gradient > 40 mmHg) ▪ Aortenklappenstenose mit niedrigem Fluss und niedrigem Gradienten bei reduzierter Ejektionsfraktion (EF) (Öffnungsfläche < 1,0 cm², mittlerer Gradient < 40 mmHg, EF < 50 %, Schlagvolumenindex (SVI) ≤ 35 ml/m²) ▪ Aortenklappenstenose mit niedrigem Fluss, niedrigem Gradienten, aber erhaltener Ejektionsfraktion (Öffnungsfläche < 1,0 cm², mittlerer Gradient < 40 [6].…”
Section: Evidenzbasierte Indikationunclassified
“…Die rekonstruktiven Techniken an der bikuspiden Aortenklappe umfassen neben dem aortenklappenerhaltenden Wurzelersatz am häufigsten die Plikatur der gemeinsamen Tasche, die zuvor prolabierte und häufig auch eine Veränderung der Geometrie zugunsten einer leichter rekonstruierbaren Symmetrie der Klappe mit sich brachte ▶ Abb. 3 [40].…”
Section: Merkeunclassified