Journals / Anadolu Kardiyoloji Dergisi / 2010 / Cilt: 10 - Sayı: 4

Kronik kalp yetersizliği hastalarında levosimendan uygulamasının etkinliği: Ritm önemli mi?

Efficacy of levosimendan in patients with chronic heart failure: Does rhythm matter?

Pages
310–316
Publication Date
2022-10-10
DOI
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AI Summary & Key Takeaways

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⚡ TL;DR(Too Long; Didn't Read)

Another valuable diastolic parameter, Vp was also similarly improved (p

📌 3 Key Takeaways

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Objective & Hypothesis:Levosimendan is a relatively new inotropic agent.
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Key Findings & Data:Unlike other inotropic agents, Levosimendan does not increase cellular calcium intake, so that, does not cause intracellular calcium overload and related arrhythmias.
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Conclusion & Impact:Another valuable diastolic parameter, Vp was also similarly improved (p
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Domain Parameters

Abstract

Levosimendan is a relatively new inotropic agent. Unlike other inotropic agents, Levosimendan does not increase cellular calcium intake, so that, does not cause intracellular calcium overload and related arrhythmias. Atrial fibrillation (AF) was shown to be an independent risk factor for mortality and morbidity in large heart failure (HF) trials. Heart failure induces AF, AF aggravates HF and therefore they generally coexist. We conducted a study to investigate if there is any differential effect of Levosimendan in HF patients with chronic AF and without AF. Methods: This is a prospective study. Consecutive patients, who were hospitalized because of acutely decompensated HF due to systolic dysfunction and decided Levosimendan administration, were enrolled. Patients were classified into two as those with AF (group A) and those with sinus rhythm (control group, group S). All patients had echocardiography before and after administration. Echocardiographic data were evaluated by ANOVA repeated measurements test. Results: Baseline left ventricle ejection fraction (LVEF) was poorer in group with AF (mean LVEF for group A: 20.9%, for group S: 26.4%, p=0.04). Baseline diastolic parameters were equally impaired. After infusion, diastolic parameters like velocity of propagation (Vp) and isovolumic relaxation time (IVRT) improved almost to same extent in both groups but deceleration time (DT) did not. IVRT values decreased (p=0.012) both in group S (from 108.6±23.2 msec to 100.4±28.4 msec) and group A (from 117.3±25.1 msec to 92.0±20.9 msec) without a significant difference between groups (p=0.180 for interaction). Another valuable diastolic parameter, Vp was also similarly improved (p

Özet

Levosimendan, kardiyak kontraktiliteyi arttıran yeni jenerasyon inotropik bir ajandır. Diğer inotropiklerin aksine, levosimendan miyokart hücresinin kalsiyum alımını arttırmadığı için, kalsiyum yüklenmesine ve ilişkili aritmilere sebep olmaz. Atrial fibrilasyonun (AF) kalp yetersizliğinde (KY) mortalite ve morbidite için bağımsız risk faktörü olduğu geniş popülasyonlu çalışmalarla gösterilmiştir. Kalp yetersizliği, AF sıklığını arttırır, AF ise KY’yi kötüleştirir, dolayısı ile genellikle birliktelik gösterirler. Çalışmamızda levosimendan uygulamasının AF ve sinüs ritmindeki hastalarda sistolik-diyastolik fonksiyonlara etkisini karşılaştırdık. Yöntemler: Çalışma prospektif tipinde dizayn edildi. Akut dekompanse, sistolik disfonksiyona bağlı KY nedeniyle yatırılan ve levosimendan verilmesi planlanan hastalar çalışmaya alındı. Hastalarda AF olup olmamasına göre iki gruba ayrıldılar (grup A ve S). Uygulama öncesi ve sonrası hastaların ekokardiyografik incelemeleri yapıldı. Ekokardiyografik veriler ANOVA tekrarlanan ölçümler testiyle değerlendirildi. Bulgular: Bazal sol ventrikül ejeksiyon fraksiyonu (SVEF) AF grubunda daha kötüydü (ortalama SVEF, grup A:%20.9, grup S:%26.4, p=0.04). Bazal diyastolik parametreler eşit derecede bozulmuştu, uygulama sonrasında deselerasyon süresi (DT) haricinde, izovolumik kontraksiyon zamanı (IVRT) ve yayılım hızı (Vp) benzer ölçülerde düzelme gösterdi. İnfüzyon sonrası, IVRT değerleri hem grup S’de (108.6±23.2 msn’den 100.4±28.4 msn’ye) hem de grup A’da (117.3±25.1 msn’den 92.0±20.9 msn’ye) gruplar arası anlamlı fark olmadan düzelme gösterdi (p=0.012 ve etkileşim için p=0.180). Bir diğer önemli diyastolik parametre olan Vp de iki grupta da benzer (etkileşim için p=0.498) ölçüde düzeldi (grup A için, 35.4±8.8 cm/sn’den 41.1±7.7 grup S için, 33.7±7.5 cm/sn’den 37.8±7.6 cm/sn’ye, p

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Cite This Article

YALTA, K., TANDOĞAN, İ., YONTAR, O. C., YILMAZ, M. B. (2022). Kronik kalp yetersizliği hastalarında levosimendan uygulamasının etkinliği: Ritm önemli mi?. Anadolu Kardiyoloji Dergisi, Cilt: 10 - Sayı: 4, 310–316. https://ajindex.com/articles/436773

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