Journals / Türk Kardiyoloji Derneği Arşivi / 2008 / Cilt: 36 - Sayı: 7

Plazma beyin natriüretik peptid düzeyinin kardiyoversiyon sonrası altıncı aydaki atriyal fibrilasyon nüksünü öngörmedeki değeri

The predictive value of plasma brain natriuretic peptide for the recurrence of atrial fibrillation six months after external cardioversion

Pages
456–460
Publication Date
2022-11-05
DOI
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Conclusion: In patients with persistent AF, baseline plasma BNP level and the magnitude of its decrease after successful cardioversion may predict AF recurrence.

📌 3 Key Takeaways

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Objective & Hypothesis:Objectives: The aim of this study was to assess the predictive value of plasma brain natriuretic peptide (BNP) level for the recurrence of atrial fibrillation (AF) after successful cardioversion in patients with persistent AF.
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Key Findings & Data:Study design: The study included 58 patients (36 females, 22 males; mean age 59 years) with preserved left ventricular function, who underwent successful electrical cardioversion for persistent AF.
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Conclusion & Impact:Conclusion: In patients with persistent AF, baseline plasma BNP level and the magnitude of its decrease after successful cardioversion may predict AF recurrence.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Domain Parameters

Abstract

Objectives: The aim of this study was to assess the predictive value of plasma brain natriuretic peptide (BNP) level for the recurrence of atrial fibrillation (AF) after successful cardioversion in patients with persistent AF. Study design: The study included 58 patients (36 females, 22 males; mean age 59 years) with preserved left ventricular function, who underwent successful electrical cardioversion for persistent AF. Plasma BNP levels were measured before, 30 minutes and six months after cardioversion and electrocardiography was performed to assess AF recurrence. Echocardiography was performed in all the patients before cardioversion. Results: At six months, 38 patients (65.5%) were in sinus rhythm (SR), whereas 20 patients (34.5%) reverted to AF. The mean baseline BNP level was significantly higher than that measured 30 minutes after cardioversion (255.6±159.6 pg/ml vs 70.5±57.0 pg/ml; p=0.00006). Patients who reverted to AF had significantly higher baseline (p=0.035) and sixmonth (p=0.001) BNP levels. In addition, they had a significantly greater decrease in BNP levels 30 minutes after cardioversion than patients who remained in SR (-271.9±42.4 pg/ml vs -139.4±25.3 pg/ml; p=0.008). ROC analysis of this drop with the cutoff value of 200 pg/ml predicted AF recurrence at six months with 80% sensitivity and 86% specificity. There were no correlations between baseline BNP level and duration of AF. However, left atrium diameter showed a significant negative correlation with the baseline BNP level (for ≤40 mm, 41-45 mm, and ≥45 mm: 394.6 pg/ml, 206.5 pg/ml, and 198.5 pg/ml, respectively; p=0.02). Conclusion: In patients with persistent AF, baseline plasma BNP level and the magnitude of its decrease after successful cardioversion may predict AF recurrence.

Özet

Amaç: Bu çalışmada dirençli atriyal fibrilasyonlu (AF) hastalarda başarılı kardiyoversiyon sonrası AF nüksünü öngörmede plazma beyin natriüretik peptid (BNP) düzeyinin değeri araştırıldı. Ça lış ma pla nı: Çalışmaya, dirençli AF nedeniyle başarılı elektriksel kardiyoversiyon uygulanan, sol ventrikül fonksiyonu korunmuş 58 hasta (36 kadın, 22 erkek; ort. yaş 59) alındı. Hastaların kardiyoversiyon öncesi, kardiyoversiyon sonrası 30. dakika ve kardiyoversiyon sonrası altıncı aydaki plazma BNP düzeyleri ölçüldü ve AF nüksünü değerlendirmek için elektrokardiyografileri çekildi. Tüm hastalara işlem öncesinde ekokardiyografi yapıldı. Bul gu lar: Altıncı ayda 38 hasta (%65.5) sinüs ritminde (SR) kalırken, 20 hastada (%34.5) AF görüldü. Tüm hasta grubunda işlem öncesindeki ortalama BNP düzeyi (255.6±159.6 pg/ ml), kardiyoversiyon sonrası 30. dakikadaki BNP değerine (70.5±57.0 pg/ml) göre anlamlı derecede yüksek bulundu (p=0.00006). Altıncı ayda AF görülen hastalarda başlangıç (p=0.035) ve altıncı aydaki (p=0.001) BNP değerleri sinüs ritmindeki hastalardan anlamlı derecede yüksek idi. Ayrıca, bu grupta kardiyoversiyondan 30 dakika sonra BNP düzeyinde görülen düşme miktarı anlamlıydı (-271.9±42.4 pg/ ml ve -139.4±25.3 pg/ml; p=0.008). Kesim değeri 200 pg/ml alınarak yapılan ROC analizinde, BNP düzeyindeki bu düşüşün altıncı aydaki AF nüksünü öngörmedeki duyarlılığı %80, özgüllüğü %86 bulundu. Başlangıç BNP düzeyi AF süresiyle ilişkili bulunmadı; sol atriyum çapı ise BNP düzeyi ile anlamlı ters ilişki gösterdi (≤40 mm, 41-45 mm ve ≥45 mm için sırasıyla 394.6 pg/ml: 206.5 pg/ml ve 198.5 pg/ml; p=0.02). So nuç: Başlangıçtaki plazma BNP düzeyi ve başarılı kardiyoversiyon sonrası BNP düzeyindeki düşme miktarı, dirençli AF’li hastalarda AF nüksünü öngörebilir.

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Cite This Article

GÜRDOĞAN, M., BOZAT, T., KOCA, V., BİNİCİ, S., ARI, H., ARI, S., AKKAYA, M. (2022). Plazma beyin natriüretik peptid düzeyinin kardiyoversiyon sonrası altıncı aydaki atriyal fibrilasyon nüksünü öngörmedeki değeri. Türk Kardiyoloji Derneği Arşivi, Cilt: 36 - Sayı: 7, 456–460. https://ajindex.com/articles/633478

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