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Yenidoğan Bebeklerde Akut Böbrek Yetersizliği

Acute Renal Failure in Neonatal Period

Journal Name:

  • Türk Nefroloji, Diyaliz ve Transplantasyon Dergisi

Publication Year:

  • 2006

Key Words:

Keywords (Original Language):

Author NameUniversity of AuthorFaculty of Author
Abstract (2. Language): 
Aim: Acute renal failure (ARF) is an important clinical problem in the neonatal period and usually related with a primary disease. Unless diagnosed early and treated properly, it may cause significant mortality and morbidity. In this study, we reviewed the clinical characteristics and prognostic risk factors of ARF patients followed up in our Neonatal Intensive Care Unit. Patients and Methods: One thousand and ninety four patients were followed up in the Neonatal Intensive Care Unit between January 2000 and January 2005. Thirtytwo of these patients (3%) were diagnosed as ARF with the criteria of doubling serum creatinine level or serum creatinine level expan¬ ding 1.5 mg/dL. Birth weight, gestational age, age at diagnosis of ARF, causes of ARF, presence of perinatal risk factors, serum creatinine levels, course of ARF, need for inotropic agents, need for dialysis and other organ involvement were noted. Results: Twenty-four of the babies were preterm babies (75%) and 13 were very low birth weight babies. The mean birth weight and gestational age of the babies were 1924 ± 927 g and 32.9 ± 4.9 weeks, respectively. Causes of ARF were prerenal in 28 cases (87%), renal in 3 cases (10%) and postrenal in 1 case (3%). Perinatal risk factors were present in 17 of the patients (53%). The median age of diagnosis and the median serum creatinine concentration were 5 days and 1.5 mg/dL, respectively. The clinical course of ARF was nonoliguric in 21 cases. Five patients needed dialysis therapy. Ten patients died with a mortality rate of 31%. The comparison of survivors and nonsurvivors showed that prematurity, very low birth weight, need for inotropic treatment, mechanical ventilation, the need for dialysis and other organ invol¬ vement were significantly important prognostic risk factors. Conc¬ lusion: Neonatal ARF is usually prerenal in origin. Perinatal risk factors are present in half of the cases. Mortality is high (31%). Prematurity, very low birth weight, hemodynamic instability, need for dialysis and other organ involvement are prognostic risk factors
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Abstract (Original Language): 
Amaç: Akut böbrek yetersizliği (ABY) yenidoğan bebeklerde yüksek mortalite ve morbidite ile seyreden önemli bir klinik problemdir. Çalışmamızda A B Y tanısı ile izlenen yenidoğan bebeklerin klinik özelliklerinin belirlenmesi ve mortalite açısından risk faktörlerinin değerlendirilmesi amaçlanmıştır. Hastalar ve Yöntem: Ocak 2000 ile Ocak 2005 arasında yenidoğan yoğun bakım ünitesinde izlenen ve A B Y tanısı alan bebekler çalışmaya alındı. Bu bebekler doğum tartısı, gestasyon yaşı, A B Y tanısı aldığı dönemdeki yaşı, A B Y etiyolojileri, perinatal risk faktörlerinin varlığı, serum kreatinin düzeyleri, A B Y seyri, inotropik tedavi, diyaliz gereksinimi ve diğer organ tutulumları açısından değerlendirildi. Bulgular: Çalışma süresince yenidoğan yoğun bakım ünitesinde izlenen 1094 bebekten 32'si (%3) A B Y tanısı aldı. Olguların 24'ü (%75) preterm, 13'ü çok düşük doğum ağırlıklı bebeklerdi. Bebeklerin ortalama tartıları 1924 ± 927 g, ortalama gestasyon yaşları 32.9 ± 4.9 hafta idi. Çalışma grubunun ortanca tanı yaşı 5 gün, ortanca serum kreatinin düzeyi 1.5 mg/dL bulundu. A B Y etiyolojileri 28 olguda prerenal (%87), 3 olguda renal (%10), 1 olguda postrenal (%3) idi. A B Y 21 olguda oligürik olmayan seyir gösterdi. Olguların %53'ünde perinatal risk faktörleri vardı. Beş olguya periton diyalizi uygulandı; 10 bebek kaybedildi. Yaşayan ve kaybedilen bebekler karşılaştırıldığında prematürite, çok düşük doğum ağırlığı, inotropik ilaç gereksinimi, mekanik ventilasyon, diyaliz uygulanmış olması, diğer organ tutulumu olmasının mortalite açısından önemli göstergeler olduğu belirlendi. Tartışma: Sonuç olarak, yenidoğan A B Y ' n i n sıklıkla prerenal kaynaklı olduğu, yük¬ sek mortalite ile seyrettiği, preterm doğum, çok düşük doğum ağırlığı, hemodinamik instabilite, diyaliz gereksinimi, diğer organ tutulumu parametrelerinin mortalite açısından önemli olduğu vurgulandı.
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