Quantitative ultrasound bone measurements of different gestational age premature infants at birth in Guangzhou zone
10.3760/cma.j.issn.2095-428X.2013.14.011
- VernacularTitle:广州地区不同胎龄早产儿出生时骨定量超声值测定
- Author:
Liu-Hong QU
1
;
Si-Tao LI
;
Gui-Ying ZHUANG
;
Qing-Huo XU
;
Wen-Huan YANG
;
Xin XIAO
Author Information
1. 510800,广州市花都区妇幼保健院新生儿科
- Keywords:
Quantitative ultrasound;
Speed of sound;
Preterm infant
- From:
Chinese Journal of Applied Clinical Pediatrics
2013;28(14):1077-1079
- CountryChina
- Language:Chinese
-
Abstract:
Objective To measure the values of quantitative ultrasound(QUS) of different gestational age preterm infants at birth in Guangzhou area,and compare them with the values of Caucasian preterm infants in order to get insight into the bone development status of preterm infants in Guangzhou area and to evaluate the practicability of QUS.Methods The Omnisense quantitative ultrasound produced by Israel Sunlight company was used to measure the bone speed of sound(SOS) of left tibia of preterm infants born between Jun.2010 and Jun.2012 in Maternity and Children Health Hospital of Huadu District in Guangzhou,and the values of SOS of Caucasian preterm infants was compared.Results There were totally 1039 preterm infants born in Guangzhou area involved in this study,and they were divided into group A,B,C,D by gestational ages:≤ 30 weeks,30 + 1 ～ 32 weeks,32 + 1 ～ 34 weeks,34 + 1 ～ 36 + 6 weeks.The values of SOS of each group at birth were(2892.05 ± 139.17) m/s,(2936.84 ± 137.87) m/s,(2966.65 ± 116.60) m/s and (2988.63 ± 120.74) m/s,separately,and with the increase of gestational age,and there was significant difference of SOS between different gestational age groups(F =15.758,P =0.000).But there was no significant difference of SOS between male and female (F =2.665,P =0.103).Compared with Caucasian preterm infants,the SOS value gap (defined as the Z value) of preterm infants of different gestational age in Guangzhou area was no significant difference(P =0.117),and there was no significant difference between male and female (F =3.494,P =0.062).Conclusions The value of SOS of preterm infants was higher with the increase of maturity of preterm infants.There was no significant difference of SOS between Guangzhou preterm infants and Caucasian preterm infants.And QUS is suitable for clinical evaluation of bone development status of preterm infants.
