Transfüzyon bağımlı talasemi olgularında karaciğer demirini öngörmede serum ferritin düzeyi mi, T2 sekanslı manyetik rezonans görüntüleme mi daha etkin?

Fatma Yıldırım; Ayça Koca Yozgat; Hayriye Tatlı Doğan; Nesrin Turhan; Hüsniye Neşe Yaralı; Namık Yaşar Özbek

doi:10.19161/etd.1167238

EN TR

Is serum ferritin level or T2-sequence magnetic resonance imaging more effective in predicting liver iron in transfusion-dependent thalassemia cases?

Abstract

Aim: Iron overload in transfusion-dependent thalassemia patients is a condition that requires continuous chelation therapy and monitoring. Determination of serum ferritin level is considered a simple method to monitor body iron load; however, it highlights that other methods of liver iron level determination, such as magnetic resonance imaging (MRI), are more precise. Materials and Methods: In order to contribute to understanding of liver iron load in thalassemia, liver iron level results of 14 transfusion-dependent thalassemia patients who underwent liver biopsy in preparation for stem cell transfusion were compared with liver T2 MRI and serum ferritin results. Results: The mean serum Ferritin value was 2488.43±1520.18 mg/L. When liver iron load was evaluated according to T2*MRI results, mild iron accumulation was found in eight patients, moderate level in five patients, and advanced iron accumulation in a patient. According to the modified Scheuer classification, iron level in biopsies was grade 1 in two patients; grade 2 in seven patients; It was grade 3 in three patients and grade 4 in two patients. As the ferritin level increased, the liver iron biopsy score also increased statistically significantly (r=0.544 and p=0.044). There was a statistically significant and inverse correlation between liver T2*MRI level and liver iron biopsy score (r=-0.724 and p=0.003). Ferritin level was not found statistically significant in differentiating iron level according to liver biopsy iron score (p=0.096). The area under the ROC curve for T2*MRI measurements was statistically significant (AUC=0.967; 95% CI: 0.880-1,000 and p=0.005). Conclusıon: In our study, we found that serum ferritin and T2 MRI results were correlated with liver biopsy iron levels. However, we found that the sensitivity and specificity of ferritin level in liver biopsy to show iron level was low, and the sensitivity and specificity of T2 MRI was high.

Keywords

Transfüzyon bağımlı talasemi olgularında karaciğer demirini öngörmede serum ferritin düzeyi mi, T2 sekanslı manyetik rezonans görüntüleme mi daha etkin?

Öz

Amaç: Transfüzyon bağımlı talasemi hastalarında aşırı demir yüklenmesi, sürekli şelasyon tedavisi ve demir düzeyi izlemini gerektiren bir durumdur. Serum ferritin düzeyinin tayini, demir yükünü takip etmek için basit bir yöntem olarak kabul edilmektedir. Bununla birlikte, karaciğer demir düzeyi tayininde manyetik rezonans görüntüleme (MRG) gibi yöntemlerin daha kesin olduğunu vurgulamaktadır. Gereç ve Yöntem: Talasemide demir yükünün anlaşılmasına katkıda bulunmak amacıyla, kök hücre transfüzyonuna hazırlık amacıyla karaciğer biyopsisi yapılan 14 transfüzyon bağımlı talasemi hastasının karaciğer demir düzeyi sonuçlarını karaciğer T2 MRG ve serum ferritin sonuçları ile karşılaştırıldı. Bulgular: Serum ferritin değeri ortalaması 2488,43±1520,18 mg/L idi. T2*MRG sonuçlarına göre karaciğer demir yükü değerlendirildiğinde sekiz hastada hafif düzey, beş hastada orta düzey, bir hastada ileri düzey demir birikimi saptandı. Modifiye Scheuer sınıflamasına göre biyopsilerde demir düzeyi iki hastada derece 1; yedi hastada derece 2; üç hastada derece 3 ve iki hastada derece 4 olarak değerlendirildi. Ferritin düzeyi arttıkça karaciğer demir biyopsi skoru da istatistiksel anlamlı olarak artmaktaydı (r=0,544 ve p=0,044). Karaciğer T2 MRG düzeyi ile karaciğer demir biyopsi skoru arasında ise istatistiksel olarak anlamlı ve ters yönlü korelasyon mevcuttu (r=-0,724 ve p=0,003). Karaciğer biyopsi demir skoruna göre demir düzeyini ayırt etmede ferritin düzeyi istatistiksel olarak anlamlı bulunmazken (p=0,096); T2*MRG ölçümlerine ilişkin ROC eğrisi altında kalan alan istatistiksel olarak anlamlı bulundu (AUC=0,967; 95% CI: 0,880-1,000 ve p=0,005). Sonuç: Çalışmamızda serum ferritin ve T2 MRG sonuçlarının karaciğer biyopsisi demir düzeyi ile korele olduğunu saptadık. Ancak ferritin düzeyinin karaciğer biyopsisi demir düzeyini göstermede sensitivite ve spesifitesinin düşük olduğu, T2 MRG ise sensitivite ve spesifitesinin yüksek olduğunu saptadık.

Anahtar Kelimeler

Kaynakça

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Ayrıntılar

Birincil Dil

Türkçe

Konular

Sağlık Kurumları Yönetimi

Bölüm

Araştırma Makalesi

Yazarlar

Fatma Yıldırım ^*
0000-0003-3887-702X
Türkiye

Ayça Koca Yozgat
0000-0001-6690-721X
Türkiye

Hayriye Tatlı Doğan
0000-0003-4318-2775
Türkiye

Nesrin Turhan
0000-0001-6566-2695
Türkiye

Hüsniye Neşe Yaralı
0000-0001-5488-2385
Türkiye

Namık Yaşar Özbek
0000-0001-6857-0681
Türkiye

Yayımlanma Tarihi

12 Eylül 2022

Gönderilme Tarihi

11 Kasım 2021

Kabul Tarihi

7 Şubat 2022

Yayımlandığı Sayı

Yıl 2022 Cilt: 61 Sayı: 3

DOI

https://doi.org/10.19161/etd.1167238

IZ

https://izlik.org/JA78FT84BB

Kaynak Göster

RIS / Bibtex

Vancouver

1.Fatma Yıldırım, Ayça Koca Yozgat, Hayriye Tatlı Doğan, Nesrin Turhan, Hüsniye Neşe Yaralı, Namık Yaşar Özbek. Transfüzyon bağımlı talasemi olgularında karaciğer demirini öngörmede serum ferritin düzeyi mi, T2 sekanslı manyetik rezonans görüntüleme mi daha etkin? ETD. 01 Eylül 2022;61(3):342-9. doi:10.19161/etd.1167238