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Aliased Flow Signal...
Aliased Flow Signal Planimetry by Cardiovascular Magnetic Resonance Imaging for Grading Aortic Stenosis Severity : A Prospective Pilot Study
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- Mantini, Cesare (författare)
- University G.d'Annunzio of Chieti-Pescara
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- Khanji, Mohammed Y. (författare)
- Queen Mary University,Barts Health NHS Trust,Newham University Hospital
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- D’ugo, Emilia (författare)
- Azienda Sanitaria Locale 2 Abruzzo Chieti
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- Olivieri, Marzia (författare)
- University G.d'Annunzio of Chieti-Pescara
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- Caputi, Cristiano Giovanni (författare)
- Azienda Sanitaria Locale 2 Abruzzo Chieti
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- Bufano, Gabriella (författare)
- University G.d'Annunzio of Chieti-Pescara
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- Mastrodicasa, Domenico (författare)
- Stanford University School of Medicine
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- Garcia, Darien Calvo (författare)
- University G.d'Annunzio of Chieti-Pescara
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- Rotondo, Domenico (författare)
- Azienda Sanitaria Locale 2 Abruzzo Chieti
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- Candeloro, Matteo (författare)
- University G.d'Annunzio of Chieti-Pescara
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- Tana, Claudio (författare)
- Azienda Sanitaria Locale 2 Abruzzo Chieti
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- Cademartiri, Filippo (författare)
- SDN IRCCS
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- Ionescu, Adrian (författare)
- Swansea Bay University Health Board
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- Caulo, Massimo (författare)
- University G.d'Annunzio of Chieti-Pescara
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- Gallina, Sabina (författare)
- University G.d'Annunzio of Chieti-Pescara
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- Ricci, Fabrizio (författare)
- Lund University,Lunds universitet,Kardiovaskulär forskning - hypertoni,Forskargrupper vid Lunds universitet,Cardiovascular Research - Hypertension,Lund University Research Groups,University G.d'Annunzio of Chieti-Pescara
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University Gd'Annunzio of Chieti-Pescara Queen Mary University (creator_code:org_t)
- 2021-10-18
- 2021
- Engelska.
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Ingår i: Frontiers in Cardiovascular Medicine. - : Frontiers Media SA. - 2297-055X. ; 8
- Relaterad länk:
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http://dx.doi.org/10... (free)
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https://www.frontier...
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https://lup.lub.lu.s...
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https://doi.org/10.3...
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Abstract
Ämnesord
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- Objectives: Transthoracic echocardiography (TTE) is the standard technique for assessing aortic stenosis (AS), with effective orifice area (EOA) recommended for grading severity. EOA is operator-dependent, influenced by a number of pitfalls and requires multiple measurements introducing independent and random sources of error. We tested the diagnostic accuracy and precision of aliased orifice area planimetry (AOAcmr ), a new, simple, non-invasive technique for grading of AS severity by low-VENC phase-contrast cardiovascular magnetic resonance (CMR) imaging. Methods: Twenty-two consecutive patients with mild, moderate, or severe AS and six age-and sex-matched healthy controls had TTE and CMR examinations on the same day. We performed analysis of agreement and correlation among (i) AOAcmr; (ii) geometric orifice area (GOAcmr ) by direct CMR planimetry; (iii) EOAecho by TTE-continuity equation; and (iv) the “gold standard” multimodality EOA (EOAhybrid ) obtained by substituting CMR LVOT area into Doppler continuity equation. Results: There was excellent pairwise positive linear correlation among AOAcmr, EOAhybrid, GOAcmr, and EOAecho (p < 0.001); AOAcmr had the highest correlation with EOAhybrid (R2 = 0.985, p < 0.001). There was good agreement between methods, with the lowest bias (0.019) for the comparison between AOAcmr and EOAhybrid . AOAcmr yielded excellent intra-and inter-rater reliability (intraclass correlation coefficient: 0.997 and 0.998, respectively). Conclusions: Aliased orifice area planimetry by 2D phase contrast imaging is a simple, reproducible, accurate “one-stop shop” CMR method for grading AS, potentially useful when echocardiographic severity assessment is inconclusive or discordant. Larger studies are warranted to confirm and validate these promising preliminary results.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Kardiologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Cardiac and Cardiovascular Systems (hsv//eng)
Nyckelord
- Aliasing analysis
- Aortic stenosis (AS)
- CMR
- Echocardiography
- Phase contrast (PC)
- Valvular heart disease
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- art (ämneskategori)
- ref (ämneskategori)
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Mantini, Cesare
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Khanji, Mohammed ...
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D’ugo, Emilia
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Olivieri, Marzia
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Caputi, Cristian ...
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Bufano, Gabriell ...
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visa fler...
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Mastrodicasa, Do ...
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Garcia, Darien C ...
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Rotondo, Domenic ...
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Candeloro, Matte ...
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Tana, Claudio
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Cademartiri, Fil ...
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Ionescu, Adrian
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Caulo, Massimo
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Gallina, Sabina
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Ricci, Fabrizio
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visa färre...
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- MEDICIN OCH HÄLSOVETENSKAP
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MEDICIN OCH HÄLS ...
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och Klinisk medicin
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Frontiers in Car ...
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