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Assessment of successful percutaneous mitral commissurotomy by MRproANP and sCD146.

ABSTRACT: BACKGROUND:We studied the course of plasma concentrations of 4 cardiovascular biomarkers: natriuretic peptides (BNP, NT-proBNP; mid-regional (MR) pro-atrial NP); and soluble endothelial CD146 (sCD146), in patients with severe mitral valve stenosis undergoing percutaneous mitral commissurotomy (PMC) to identify potential markers of procedural success. METHODS:Biomarkers were tested in 40 patients the day before and the day after PMC. Success was defined as mitral valve area???1.5?cm2; or an increase of ?0.5?cm2 in mitral valve area associated with echocardiographic mitral regurgitation

SUBMITTER: Badoz M

PROVIDER: S-EPMC7132872 | biostudies-literature | 2020 Apr

REPOSITORIES: biostudies-literature

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Assessment of successful percutaneous mitral commissurotomy by MRproANP and sCD146.

Badoz Marc M Arrigo Mattia M Mogenet Anne-Claire AC Sadoune Malha M Meneveau Nicolas N Mebazaa Alexandre A Seronde Marie-France MF

BMC cardiovascular disorders 20200405 1

<h4>Background</h4>We studied the course of plasma concentrations of 4 cardiovascular biomarkers: natriuretic peptides (BNP, NT-proBNP; mid-regional (MR) pro-atrial NP); and soluble endothelial CD146 (sCD146), in patients with severe mitral valve stenosis undergoing percutaneous mitral commissurotomy (PMC) to identify potential markers of procedural success.<h4>Methods</h4>Biomarkers were tested in 40 patients the day before and the day after PMC. Success was defined as mitral valve area ≥ 1.5 c ...[more]

PMID: 32248819

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Project description:BACKGROUND: Many previous studies have evaluated the impact of mitral valve (MV) deformity scores on the percutaneous transvenous mitral commissurotomy (PTMC) outcome in patients with mitral stenosis; however, the relationship between mitral annulus calcification (MAC) and the PTMC result has not yet been established. The current study aimed to investigate whether MAC could independently influence the immediate result of PTMC. METHODS: Of all patients undergoing PTMC in our institution between April 2005 and November 2009, we included 87 patients (28.7%male, mean ± SD age = 42.8 ± 12.6 years) with rheumatic mitral stenosis who had additional data on the echocardiographic evaluation of MAC along with MV leaflets morphology. Echocardiographic assessments were repeated up to six weeks after PTMC to evaluate the immediate PTMC outcome. The frequency of the optimal PTMC result (secondary MV area > = 1.5 cm(2) with > = 25% increase and without final mitral regurgitation grade > 2) was compared between two groups of patients with MAC (n = 17) and those without MAC (n = 70). RESULTS: The optimal result was obtained in 55 (63.2%) patients, whereas the result was suboptimal in 32 (36.8%) patients due to insufficient MV area increase in 31(96.9%) subjects and post-procedure mitral regurgitation grade > 2 in 1(3.1%). The rate of optimal PTMC results was less in patients with MAC in comparison to those without MAC (29.4% vs.71.4%). After adjustments for possible confounders such as age and leaflets morphological subcomponents (thickening, mobility, calcification, and subvalvular thickening), MAC remained a significant negative predictor of a suboptimal PTMC result (odds ratio = 0.154; 95%CI = 0.038-0.626, p value = 0.009) together with leaflet thickening (odds ratio = 0.214; 95%CI = 0.060-0.770, p value = 0.018). CONCLUSIONS: MAC appeared to independently influence the immediate result of PTMC; therefore, mitral annulus evaluation may be considered in the echocardiographic assessment of the mitral apparatus prior to PTMC.

Project description:BackgroundRheumatic heart disease (RHD) is still a concerning issue in developing countries. Among delayed RHD presentations, rheumatic mitral valve stenosis (MS) remains a prevalent finding. Percutaneous transvenous mitral commissurotomy (PTMC) is the intervention of choice for severe mitral stenosis (MS). We aimed to assess the mid-term outcome of PTMC in patients with immediate success.MethodsIn this retrospective cohort study, out of 220 patients who had undergone successful PTMC between 2006 and 2018, the clinical course of 186 patients could be successfully followed. Cardiac-related death, undergoing a second PTMC or mitral valve replacement (MVR) were considered adverse cardiac events for the purpose of this study. In order to find significant factors related to adverse cardiac outcomes, peri-procedural data for the studied patients were collected.The patients were also contacted to find out their current clinical status and whether they had continued secondary antibiotic prophylaxis regimen or not. Those who had not suffered from the adverse cardiac events were additionally asked to undergo echocardiographic imaging, in order to assess the prevalence of mitral valve restenosis, defined as mitral valve area (MVA) < 1.5 cm2 and loss of ≥ 50% of initial area gain.ResultsDuring the mean follow-up time of 5.69 ± 3.24 years, 31 patients (16.6% of patients) had suffered from adverse cardiac events. Atrial fibrillation rhythm (p = 0.003, HR = 3.659), Wilkins echocardiographic score > 8 (p = 0.028, HR = 2.320) and higher pre-procedural systolic pulmonary arterial pressure (p = 0.021, HR = 1.031) were three independent predictors of adverse events and immediate post-PTMC mitral valve area (IMVA) ≥ 2 cm2 (p < 0.001, HR = 0.06) was the significant predictor of event-free outcome. Additionally, follow-up echocardiographic imaging detected mitral restenosis in 44 patients (23.6% of all patients). The only statistically significant protective factor against restenosis was again IMVA ≥ 2 cm2 (p = 0.001, OR = 0.240).ConclusionThe mid-term results of PTMC are multifactorial and may be influenced by heterogeneous peri-procedural determinants. IMVA had a great impact on the long-term success of this procedure. Continuing secondary antibiotic prophylaxis was not a protective factor against adverse cardiac events in this study. (clinicaltrial.gov registration: NCT04112108).

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Assessment of successful percutaneous mitral commissurotomy by MRproANP and sCD146.

Publications

Assessment of successful percutaneous mitral commissurotomy by MRproANP and sCD146.

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