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Investigation of the relationship between umbilical cord pH and intraventricular hemorrhage of infants delivered preterm
Mazouri, Ali; Massahi, Mahtab; Khalesi, Nasrin; asl, Ladan Younesi; Kashaki, Mandana.
  • Mazouri, Ali; Iran University of Medical Sciences. Shahid Akbarabadi Hospital. Department of Pediatrics. Tehran. IR
  • Massahi, Mahtab; Iran University of Medical Sciences. Faculty of Medicine. Department of Pediatrics. Tehran. IR
  • Khalesi, Nasrin; Iran University of Medical Sciences. Faculty of Medicine. Department of Pediatrics. Tehran. IR
  • asl, Ladan Younesi; Iran University of Medical Sciences. Department of Radiology. Tehran. IR
  • Kashaki, Mandana; Iran University of Medical Sciences. Shahid Akbarabadi Clinical Research Development Unit (ShACRDU). Tehran. IR
Rev. Assoc. Med. Bras. (1992) ; 65(5): 647-656, May 2019. tab, graf
Article in English | LILACS | ID: biblio-1012971
ABSTRACT
SUMMARY

OBJECTIVE:

We measured the level of pH gases in premature infants at birth, and examined the relationship between brain ultrasonography on the third and seventh day after birth. A case-control study conducted at the Neonatal Intensive Care Unit (NICU) of Shahid Akbar Abadi Hospital, Iran, during the years 2016-2017.

METHODS:

All premature infants who were admitted to NICU were enrolled in the current study. At birth, a blood gas sample was taken from the umbilical cord of the infants. On the third and seventh day after birth, an ultrasound of the brain of each neonate was performed by a radiologist. The umbilical cord was evaluated for blood gases in 72 neonates (mostly boys).

RESULTS:

Sixty-six newborns had normal sonography, and 16.7% (12 cases) had anomalies. A total of 75% of the 8 infants with intravenous bleeding were girls, which were significantly different from those in the non-hemodynamic group (62.5% male) (P 0.049). However, the type of delivery, mean weight, height, head circumference, the circumference of the chest, and Apgar score did not differ between the two groups. Mean pH, HCO3- and PCO2 in umbilical cord blood gas samples were not significantly different between the two groups with or without intraventricular hemorrhage (IVH). Although it was not related to gender and type of delivery in newborns

CONCLUSION:

Blood gases do not help in determining the occurrence of IVH in infants. Nevertheless, it is associated with immaturity and fetal age.
RESUMO
RESUMO

OBJETIVOS:

Medimos o nível de gases de pH em bebês prematuros, no nascimento dos neonatos, e examinamos a relação entre a ecografia cerebral no terceiro e no sétimo dia após o nascimento. Um estudo de casos e controles realizados na Unidade de Cuidados Intensivos Neonatais (UCIN) do Hospital Shahid Akbar Abadi durante os anos de 2016-2017, Irã.

MÉTODOS:

Todos os recém-nascidos prematuros que deram entrada na UCIN foram inscritos no estudo atual. Ao nascer, foi retirada uma amostra de gás em sangue, do sangue do cordão umbilical dos bebês. No terceiro e sétimo dia após o nascimento, um radiologista realizou uma ecografia do cérebro de cada neonato. O cordão umbilical foi avaliado para detectar gases no sangue em 72 neonatos (em sua maioria do sexo masculino).

RESULTADOS:

Sessenta e seis recém-nascidos tinham ecografia normal e 16.7% (12 casos) tinham anomalias. 75% das 8 crianças com hemorragia intravenosa eram meninas, que foram significativamente diferentes das do grupo não hemodinâmico (62.5% homens) (P.0.049). Contudo, o tipo de parto, o peso médio, a altura, o perímetro cefálico, a circunferência do tórax e a pontuação de Apgar não foram diferentes entre os grupos. O pH médio, HCO3 e PCO2 nas amostras de gás no sangue do cordão umbilical não foram significativamente diferentes entre dois grupos com ou sem hemorragia intraventricular (Hiv). Apesar de não estar relacionado com o gênero e o tipo de parto em recém-nascidos.

Conclusão:

os gases sanguíneos não ajudam a determinar o aparecimento de Hiv nos bebês. Contudo, está associado com a imaturidade e idade fetal.
Subject(s)


Full text: Available Index: LILACS (Americas) Main subject: Umbilical Cord / Infant, Premature / Cerebral Intraventricular Hemorrhage / Hydrogen-Ion Concentration / Infant, Premature, Diseases Type of study: Etiology study / Observational study / Risk factors Limits: Female / Humans / Male / Infant, Newborn Language: English Journal: Rev. Assoc. Med. Bras. (1992) Year: 2019 Type: Article Affiliation country: Iran Institution/Affiliation country: Iran University of Medical Sciences/IR

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Full text: Available Index: LILACS (Americas) Main subject: Umbilical Cord / Infant, Premature / Cerebral Intraventricular Hemorrhage / Hydrogen-Ion Concentration / Infant, Premature, Diseases Type of study: Etiology study / Observational study / Risk factors Limits: Female / Humans / Male / Infant, Newborn Language: English Journal: Rev. Assoc. Med. Bras. (1992) Year: 2019 Type: Article Affiliation country: Iran Institution/Affiliation country: Iran University of Medical Sciences/IR