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AMAÇ: Son yıllarda perinatal tıbbi uygulamaların gelişmesiyle preterm bebeklerde mortalite önemli ölçüde azalmıştır. Bu bebeklerde prematüre osteopenisini de içeren çok sayıda komplikasyon gelişebilmektedir. Bu çalışmanın amacı prematüre osteopenisinin epidemiyolojik özelliklerinin ve risk faktörlerinin belirlenmesidir. GEREÇ VE YÖNTEM: Yenidoğan yoğun bakım ünitesine 6 aylık süreçte başvuran prematüre bebekler çalışmaya alındı. Hastaların kemik mineral yoğunluklarını belirlemek için kantitatif kemik ultrasonografiyle kemik ses hızları ve z skorları ölçüldü. Ölçümler ilk haftadan itibaren ardışık 5 hafta boyunca haftada bir kez olmak üzere tekrarlandı. Z skoru değeri <-1 olan hastalar osteopenik, ≥ -1 olanlar normal kemik mineral içeriğine sahip hastalar olarak tanımlandı. BULGULAR: 81 prematüre bebek çalışmaya alındı. Gestasyonel yaşları median 33 (24-36) hafta, doğum ağırlıkları ortalama 1834±476 gramdı. Olguların kemik ses hızı ve z skoru değerlerinin beş haftalık süre içinde istatistiksel olarak anlamlı düzeyde azaldığı görüldü (p<0.001). Kemik ses hızı ve z skoru ölçüm değerleri ile doğum sayısı, çoğul gebelik, annede hastalık varlığı ve annenin ilaç kullanımı arasında istatistiksel anlamlı ilişki bulunmadı (p>0.05). Osteopenik hastalarda doğum ağırlığının ve gestasyonel yaşın daha küçük olduğu (sırasıyla; p=0.042, p=0.015) saptandı. SONUÇ: Uygun enteral ve parenteral beslenme rejimlerine rağmen prematürelerde ve çok düşük doğum ağırlıklı bebeklerde osteopeni gelişebilir. Ancak prematüre osteopenisi üzerine etkili diğer nedenlerin oluşturacağı riskler yeterli vitamin ve mineral desteğiyle azaltılabilir.
OBJECTIVE: In recent years, the mortality of premature infants has been significantly reduced by the development of perinatal medical practices. Numerous complications may occur in these infants, including osteopenia. The objectives of this study are to determine the epidemiological characteristics and risk factors of premature osteopenia.MATERIAL AND METHODS: Preterm infants who applied to neonatal intensive care unit within 6 months were enrolled in this study. The bone speed of sounds and z-scores were measured by quantitative bone ultrasonography to determine bone mineral density of the patients. The measurements were repeated once a week for 5 consecutive weeks from the first week after the birth. Patients with z-score of <-1 were defined as osteopenic, while those with z-score of ≥-1 were defined as patients with normal bone mineral content. A number of eighty premature infants were included in the study. Gestational ages were median 33 (24-36) weeks and the average birth weights were 1834 ± 476 grams. The bone speed of sound and z score values significantly decreased within five weeks (p<0.001). The bone speed of sound and z score were not statistically related with the number of birth, multiple gestation, presence of maternal disease and maternal drug use (p>0.05). In osteopenic cases birth weight and gestational age were found to be smaller (p = 0.042, p = 0.015, respectively). Osteopenia may develop in premature and very low birth weight infants despite appropriate enteral and parenteral feeding regimes. However, the risks that may be caused by other factors affecting prematurity osteopenia can be reduced by adequate vitamins and minerals.
OBJECTIVE: In recent years, mortality of preterm infants has been significantly reduced by the development of perinatal medical practices. Numerous complications may occur in these infants, including osteopenia. The aims of this study are to determine the epidemiological characteristics and risk factors of premature osteopenia.MATERIAL AND METHODS: Preterm infants who applied to neonatal intensive care unit within 6-months were enrolled in this study. The bone speed of sounds and z-scores were measured by quantitative bone ultrasonography to determine bone mineral density of the patients. The measurements were repeated once a week for 5 consecutive weeks from first week after the birth. Patients with z-score of <-1 were defined as osteopenic, while those with z-score of ≥-1 were defined as patients with normal bone mineral content. RESULTS: A number of eighty premature infants were included in the study. Gestational ages were median 33 (24-36) weeks and the mean birth weights were 1834 ± 476 grams. The bone speed of sound and z score values significantly decreased within five weeks (p<0.001). The bone speed of sound and z score were not statistically related with the number of birth, multiple gestation, presence of maternal disease and maternal drug use (p>0.05). In osteopenic cases birth weight and gestational age were found to be smaller (p = 0.042, p= 0.015, respectively). CONCLUSIONS: Osteopenia may develop in premature and very low birth weight infants despite appropriate enteral and parenteral feeding regimens. However, the risks that may be caused by other factors affecting prematurity osteopenia can be reduced by adequate vitamins and minerals.
Alan : Sağlık Bilimleri
Dergi Türü : Ulusal
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