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Ryoji Aoki

Biographic Data

ID7898759
NAMERyoji Aoki
GIVEN NAMESRyoji
FAMILY NAMEAoki
SIGNATUREAOKI R
AFFILIATIONSNihon University
ORCID0000-0002-9513-3863
VERIFIEDYes
TOTAL WORKS3
TOTAL CITATIONS0
WORKS AS AUTHOR3
WORKS AS EDITOR0
FIRST PUBLICATION YEAR2021
LATEST PUBLICATION YEAR2022
H-INDEX0
  • Association of Plasma Cortisol Levels with Gestational Age and Anthropometric Values at Birth in Preterm Infants

    Open Access•Masako Aoki, Tatsuhiko Urakami et al.•ARTICLE•International Journal of…•2022

    There are no study reports to clarify the association between gestational age (GA) or anthropometric values at birth, and plasma cortisol levels in the blood of preterm infants at birth and at one month of age. This hospital-based retrospective cohort study included infants born at p = 0.010). GA was an independent determinant of plasma cortisol levels at birth. SGA infants had a high plasma cortisol level at birth; resulting in speculation that …

  • Clinical Evaluation of a Novel Urine Collection Kit Using Filter Paper in Neonates

    Open Access•Nobuhiko Nagano, Takayuki Imaizumi et al.•ARTICLE•Children•2021

    Urine bags are commonly used to collect urine samples from neonates. However, the sample can be contaminated by stool, or detachment of the bag due to body movement can lead to failure of the collection. A qualitative urine collection kit containing ten filter papers of 3.2 mm diameter was developed and clinically verified among 138 neonates. During a single diaper change (approximately 3 h), the rate of urine collection was calculated. Urine col…

  • Novel Physique Index for the Screening of Skeletal Dysplasia at Birth

    Open Access•Ryoji Aoki, Nobuhiko Nagano et al.•ARTICLE•Children•2021

    This study aimed to devise a novel physique index and investigate its accuracy in identifying newborns with skeletal dysplasia in comparison with head circumference (HC)/height (HT) ratio. The birth weight (W), HT, and HC at birth of 1500 newborns were retrospectively collected. The linear regression equations and coefficients of determination (R 2 ) were determined. The formulated equation was corrected by the mean weight for gestational age at …

No prominent works on this page.

  • Clinical Evaluation of a Novel Urine Collection Kit Using Filter Paper in Neonates

    Open Access•Nobuhiko Nagano, Takayuki Imaizumi et al.•ARTICLE•Children•2021

    Urine bags are commonly used to collect urine samples from neonates. However, the sample can be contaminated by stool, or detachment of the bag due to body movement can lead to failure of the collection. A qualitative urine collection kit containing ten filter papers of 3.2 mm diameter was developed and clinically verified among 138 neonates. During a single diaper change (approximately 3 h), the rate of urine collection was calculated. Urine col…

  • Novel Physique Index for the Screening of Skeletal Dysplasia at Birth

    Open Access•Ryoji Aoki, Nobuhiko Nagano et al.•ARTICLE•Children•2021

    This study aimed to devise a novel physique index and investigate its accuracy in identifying newborns with skeletal dysplasia in comparison with head circumference (HC)/height (HT) ratio. The birth weight (W), HT, and HC at birth of 1500 newborns were retrospectively collected. The linear regression equations and coefficients of determination (R 2 ) were determined. The formulated equation was corrected by the mean weight for gestational age at …

  • Association of Plasma Cortisol Levels with Gestational Age and Anthropometric Values at Birth in Preterm Infants

    Open Access•Masako Aoki, Tatsuhiko Urakami et al.•ARTICLE•International Journal of…•2022

    There are no study reports to clarify the association between gestational age (GA) or anthropometric values at birth, and plasma cortisol levels in the blood of preterm infants at birth and at one month of age. This hospital-based retrospective cohort study included infants born at p = 0.010). GA was an independent determinant of plasma cortisol levels at birth. SGA infants had a high plasma cortisol level at birth; resulting in speculation that …

Internal Medicine (3 works) · Medicine (3 works) · Biology (2 works) · Birth weight (2 works) · Birth, Development, and Health (2 works) · Gestational age (2 works) · Neonatal Respiratory Health Research (2 works) · Obstetrics (2 works) · Pregnancy (2 works) · Anthropometry (1 work)

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