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Primerjava kvantitativnih ultrazvočnih parametrov za oceno stopnje mitralne regurgitacije
ID Prodanova, Dušica (Author), ID Starc, Ana (Author), ID Ambrožič, Jana (Author), ID Cvijić, Marta (Author)

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Abstract
Izhodišča: Mitralna regurgitacija (MR) sodi med najpogostejše bolezni srčnih zaklopk. Smernice Evropskega kardiološke-ga združenja poudarjajo nujnost integriranega pristopa za oceno stopnje MR z uporabo kvalitativnih, semikvantitativnih in kvantitativnih ultrazvočnih parametrov. Želeli smo opredeliti, kakšna je skladnost kvantitativnih parametrov za oceno stopnje MR, ocenjenih z volumetrično metodo in z metodo toka enake hitrosti po proksimalni površini (angl. proximal isovelocity surface area, PISA). Metode: V raziskavo smo vključili 298 bolnikov, ki so v letu 2018 opravili ultrazvočno preiskavo srca na Oddelku za nein-vazivne preiskave srca UKC Ljubljana. Iz ultrazvočnih meritev smo izračunali kvantitativne parametre za oceno stopnje MR: regurgitacijski volumen (Rvol), regurgitacijski delež (RF) in efektivno površino regurgitacijskega ustja (EROA) po vol-umetrični metodi in po metodi PISA. Bolnike smo razdelili glede na ujemanje stopnje MR, določene s parametrom EROA, med tiste z EROA-PISA in tiste z EROA-volumetrično metodo. Analizirali smo povezanost kliničnih značilnosti in ultraz-vočnih meritev levega prekata s skladnostjo parametrov MR. Rezultati: Kvantitativni parametri za oceno stopnje MR po metodi PISA so bili značilno večji kot parametri po volumetrični metodi (p < 0,001). S primerjavo stopnje MR, določene z Rvol, EROA ali RF, smo ugotovili pomembno razliko med metodo PISA in volumetrično metodo in to z večjo stopnjo regurgitacije pri metodi PISA. Stopnja MR, določena z EROA-PISA, se je ujemala s stopnjo, določeno z EROA-volumetrično metodo pri 178 (60 %) bolnikih. Skupina z neujemanjem stopnje MR je imela hujšo okvaro mitralne zaklopke, ocenjeno z metodo PISA (p < 0,001). Med skupinama ni bilo značilnih razlik v kliničnih značilnostih in ultrazvočnih parametrih.

Language:Slovenian
Keywords:bolezni srčnih zaklopk, mitralna regurgitacija, ehokardiografija, metoda toka enake hitrosti po proksimalni površini (PISA), volumetrična metoda, efektivna površina regurgitacijskega ustja (EROA)
Work type:Article
Typology:1.01 - Original Scientific Article
Organization:MF - Faculty of Medicine
Publication status:Published
Publication version:Version of Record
Year:2025
Number of pages:Str. 16–26
Numbering:Letn. 94, št. 1/2
PID:20.500.12556/RUL-184187 This link opens in a new window
UDC:616.126
ISSN on article:1318-0347
DOI:10.6016/ZdravVestn.3538 This link opens in a new window
COBISS.SI-ID:227810819 This link opens in a new window
Publication date in RUL:01.07.2026
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Downloads:93
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Record is a part of a journal

Title:Zdravniški vestnik : glasilo Slovenskega zdravniškega društva
Publisher:Slovensko zdravniško društvo
ISSN:1318-0347
COBISS.SI-ID:32893696 This link opens in a new window

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License:CC BY-NC 4.0, Creative Commons Attribution-NonCommercial 4.0 International
Link:http://creativecommons.org/licenses/by-nc/4.0/
Description:A creative commons license that bans commercial use, but the users don’t have to license their derivative works on the same terms.

Secondary language

Language:English
Title:Comparison of quantitative echocardiographic parameters for assessment of mitral regurgitation severity
Abstract:
Background: Mitral regurgitation (MR) is among the most common valvular heart diseases. The European Society of Cardiology guidelines advocate for an integrated approach using qualitative, semi-quantitative and quantitative echocardiographic parameters to assess the severity of MR. We aimed to determine the concordance of quantitative parameters assessed by the volumetric and the proximal iso-velocity surface area (PISA) methods. Methods: We included 298 patients who underwent echocardiographic examination in 2018. To determine the grade of MR, we obtained quantitative parameters (regurgitant volume (Rvol), regurgitant fraction (RF), and effective regurgitant orifice area (EROA)) using the volumetric method and the PISA method. Patients were divided based on the EROA-determined MR grade between the EROA-PISA and EROA-volumetric methods. We analysed the association of clinical characteristics and echocardiographic measurements of the left ventricle with the concordance of MR parameters. Results: Quantitative parameters for assessing the grade of MR using the PISA method were significantly larger than parameters using the volumetric method (p < 0.001). Comparing the grade of MR determined by Rvol, EROA or RF, we found a significant difference between the PISA method and the volumetric method, with a higher grade of regurgitation with the PISA method. The grade determined by EROA-PISA matched the grade determined by EROA-volumetric method in 178 (60%) patients. The group with disagreement in the grade of MR had a more severe mitral valve impairment assessed by the PISA method (p < 0.001). There were no significant differences in clinical and echocardiographic parameters between the groups. Conclusions: The quantitative methods for assessing the severity of MR – volumetric method and PISA method – are inconsistent in nearly half of the cases. Our results show that quantification of MR severity using only one quantitative method can be misleading. If there is a discrepancy between the results obtained by the volumetric and PISA methods, an integrated approach may be more appropriate.

Keywords:mitralna regurgitacija, ehokardiografija, metoda toka enake hitrosti po proksimalni površini (PISA), volumetrična metoda, efektivna površina regurgitacijskega ustja (EROA)

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