Risk factors for metabolic bone disease of prematurity in very/extremely low birth weight infants: a multicenter investigation in China
HE Xiao-Ri1, LIANG Can2, YU Yuan-Qiang2, WU Pei-Jia2, CHEN Xiang-Hong3, CHEN Yu-Jun4, LIU Cui-Qing5, OU-YANG Xiang-Dong6, SHAN Ruo-Bing7, PAN Wei-Wei8, CHANG Yan-Mei8, WANG Dan9, ZHONG Xiao-Yun10, LUO Kai-Ju1, YANG Yong-Hui1, DONG Qing-Yi1, HU Jin-Tao1, HE Ming-Feng1, TONG Xiao-Mei8, CHEN Ping-Yang1
Laboratory of Neonatal Disease, Institute of Pediatrics, Second Xiangya Hospital, Central South University, Changsha 410011, China
Abstract Objective To investigate the incidence rate and risk factors for metabolic bone disease of prematurity (MBDP) in very low birth weight/extremely low birth weight (VLBW/ELBW) infants. Methods The medical data of 61 786 neonates from multiple centers of China between September 1, 2013 and August 31, 2016 were retrospectively investigated, including 504 VLBW/ELBW preterm infants who met the inclusion criteria. Among the 504 infants, 108 infants diagnosed with MBDP were enrolled as the MBDP group and the remaining 396 infants were enrolled as the non-MBDP group. The two groups were compared in terms of general information of mothers and preterm infants, major diseases during hospitalization, nutritional support strategies, and other treatment conditions. The multivariate logistic regression analysis was used to investigate the risk factors for MBDP. Results The incidence rate of MBDP was 19.4% (88/452) in VLBW preterm infants and 38.5% (20/52) in ELBW preterm infants. The incidence rate of MBDP was 21.7% in preterm infants with a gestational age of < 32 weeks and 45.5% in those with a gestational age of < 28 weeks. The univariate analysis showed that compared with the non-MBDP group, the MBDP group had significantly lower gestational age and birth weight, a significantly longer length of hospital stay, and a significantly higher incidence rate of extrauterine growth retardation (P < 0.05). Compared with the non-MBDP group, the MBDP group had significantly higher incidence rates of neonatal sepsis, anemia, hypocalcemia, and retinopathy of prematurity (P < 0.05). The MBDP group had a significantly lower mean feeding speed, a significantly higher age when reaching total enteral feeding, and a significantly longer duration of parenteral nutrition (P < 0.05). The use rate of caffeine citrate in the MBDP group was significantly higher, but the use rate of erythropoietin was significantly lower than that in the non-MBDP group (P < 0.05). The multivariate logistic regression analysis showed that gestational age < 32 weeks, hypocalcemia, extrauterine growth retardation at discharge, and neonatal sepsis were risk factors for MBDP (P < 0.05). Conclusions A lower gestational age, hypocalcemia, extrauterine growth retardation at discharge, and neonatal sepsis may be associated an increased risk of MBDP in VLBW/ELBW preterm infants. It is necessary to strengthen perinatal healthcare, avoid premature delivery, improve the awareness of the prevention and treatment of MBDP among neonatal pediatricians, and adopt positive and reasonable nutrition strategies and comprehensive management measures for preterm infants.
ZHONG Xiao-Yun,HE Xiao-Ri,LUO Kai-Ju et al. Risk factors for metabolic bone disease of prematurity in very/extremely low birth weight infants: a multicenter investigation in China[J]. CJCP, 2021, 23(6): 555-562.
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