ABSTRACT
Objective@#To investigate the effects of neonatal intensive care unit (NICU)-centered regional neonatal transport network (NTN) on the treatment of retinopathy of prematurity (ROP).@*Methods@#A retrospective analysis was conducted to analyze the transfer, treatment and outcomes of 406 preterm infants with ROP who were transferred to the Bayi Children's Hospital Affiliated to the Seventh Medical Center of PLA General Hospital via the NTN from July 2008 to December 2014. Independent sample t-test, Chi-square test and Mann-Whitney nonparametric test were used for statistical analysis.@*Results@#Among the 406 premature infants who were transferred to our hospital because of ROP, there were 257 males and 149 females with the gestational age of (29.5±1.9) weeks (24+5-36 weeks) and the birth weight of (1 234.8± 268.9) g (580-2 400 g). The age at transfer was (48.9±18.5) d (15-78 d) and the transport distance was (216.5±78.6) km (10-625 km). No death was reported during the transportation. Very preterm births and very low birth weight infants (VLBWI) accounted for 88.7% (360 cases) and 82.5% (335 cases), respectively. Lesions occurred in 1, 2 and 3 zones were detected in 98 (24.1%), 286 (70.4%) and 22 (5.4%) cases, respectively. Lesions of stage 1-5 were observed in 51 (12.6%), 156 (38.4%), 183 (45.1%), 12 (3.0%) and 4 (1.0%) cases. There were 186 cases (45.8%) with Plus lesions. A total of 252 cases (62.1%) underwent surgery which were achieving treatment standards, including 165 (65.5%) undergoing laser therapy, 93 (36.9%) receiving anti-vascular endothelial growth factor (VEGF) therapy, 16 (6.4%) having vitrectomy and two (0.8%) having scleral buckling. Eighteen infants were diagnosed with retinal structural abnormalities, among which 16 had retinal detachment before admission (12 in phase 4 and four in phase 5). Two without retinal detachment on admission developed to phase 4 after surgery. The incidence of retinal structural dysplasia was 0.9% (2/236) in infants receiving laser and/or anti-VEGF therapy in our hospital. Compared with the cured patients (n=234), those with retinal structural dysplasia (n=18) had a late transfer time [80 (38-270) vs 50 (19-150) d, Z=3.387, P<0.001].@*Conclusions@#The NICU-centered and regional transfer-based ROP treatment network provides timely and effective treatment for infants with ROP.
ABSTRACT
Objective To investigate the effects of neonatal intensive care unit (NICU)-centered regional neonatal transport network (NTN) on the treatment of retinopathy of prematurity (ROP). Methods A retrospective analysis was conducted to analyze the transfer, treatment and outcomes of 406 preterm infants with ROP who were transferred to the Bayi Children's Hospital Affiliated to the Seventh Medical Center of PLA General Hospital via the NTN from July 2008 to December 2014. Independent sample t-test, Chi-square test and Mann-Whitney nonparametric test were used for statistical analysis. Results Among the 406 premature infants who were transferred to our hospital because of ROP, there were 257 males and 149 females with the gestational age of (29.5±1.9) weeks (24+5-36 weeks) and the birth weight of (1 234.8± 268.9) g (580-2 400 g). The age at transfer was (48.9±18.5) d (15-78 d) and the transport distance was (216.5±78.6) km (10-625 km). No death was reported during the transportation. Very preterm births and very low birth weight infants (VLBWI) accounted for 88.7% (360 cases) and 82.5% (335 cases), respectively. Lesions occurred in 1, 2 and 3 zones were detected in 98 (24.1%), 286 (70.4%) and 22 (5.4%) cases, respectively. Lesions of stage 1-5 were observed in 51 (12.6%), 156 (38.4%), 183 (45.1%), 12 (3.0%) and 4 (1.0%) cases. There were 186 cases (45.8%) with Plus lesions. A total of 252 cases (62.1%) underwent surgery which were achieving treatment standards, including 165 (65.5%) undergoing laser therapy, 93 (36.9%) receiving anti-vascular endothelial growth factor (VEGF) therapy, 16 (6.4%) having vitrectomy and two (0.8%) having scleral buckling. Eighteen infants were diagnosed with retinal structural abnormalities, among which 16 had retinal detachment before admission (12 in phase 4 and four in phase 5). Two without retinal detachment on admission developed to phase 4 after surgery. The incidence of retinal structural dysplasia was 0.9% (2/236) in infants receiving laser and/or anti-VEGF therapy in our hospital. Compared with the cured patients (n=234), those with retinal structural dysplasia (n=18) had a late transfer time [80 (38-270) vs 50 (19-150) d, Z=3.387, P<0.001]. Conclusions The NICU-centered and regional transfer-based ROP treatment network provides timely and effective treatment for infants with ROP.
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Objective To identify the epidemiological changes in invasive fungal infection (IFI) in a neonatal intensive care unit (NICU) to provide information for prevention and treatment of IFI.Methods A total of 102 cases who were diagnosed with IFI among 42 187 neonates hospitalized in the NICU of Affiliated BaYi Children's Hospital,Chinese People's Liberation Army General Hospital from January 1,2009 to December 31,2014 were enrolled in this study.Since January 1,2012,the divisions of our NICU were more specific and intravenous fluconazole was administered as a routine preventive measure for high-risk infants.Clinical information of the IFI cases including general features,incidence,distribution of pathogens and drug (Amphotericin B,Fluconazole,Flucytosin,Itraconazole and Voriconazole) sensitivity were analyzed between former period (January 1,2009 to December 31,2011) and latter period (January 1,2012 to December 31,2014) by Chi-square test.Results The total incidence of IFI was 2.42‰ (102/42 187),and among the 102 IFI cases,73.5％ (75/102) were preterm infants and 75.5％ (77/102) were low birth weight infants.The incidence ofIFI in the latter period was lower than that in the former period [1.8‰ (48/26 046) vs 3.3‰ (54/16 141),x2=9.329,P＜0.01].The incidences of IFI in neonates with gestation age ＜28,≥ 28-＜32 and ≥ 32-＜37 weeks in latter period were decreased as compared with those in former period [10.6 ‰ (3/284) vs 76.9 ‰ (9/117),x2=12.569;6.1‰ (13/2 134) vs 21.9‰ (28/1 277),x2=16.868;1.4‰ (12/8 706) vs 1.9‰ (10/5 256),x2=7.165] (all P＜0.01).Altogether 103 pathogen strains were identified from 102 IFI cases as one Candida parapsilosis strain and one Laurent cryptococcus strain were both isolated from one patient.The most prevalent three pathogens were Candida albicans [51.5％ (53/103)],Candidaparapsilosis [24.3％ (25/103)] and Candida glabrata [8.7％ (9/103)].The isolated rates of Candida albicans and Candida glabrata strains in the latter period were higher than those in the former period [63.3％ (31/49) vs 40.7％ (22/54),x2=5.218;18.4％ (9/49) vs 0.0％ (0/54),x2=10.868],while the isolated rate of Candida parapsilosis strain was lower in the latter period than that in the former period [12.2％(6/49) vs 35.2％(19/54),x2=7.355] (all P＜0.05).All pathogen strains were sensitive strains except one Candida krusei strain which was isolated in the former period and was resistant to Fluconazole.Conclusions Premature infants born at lower gestational ages or with low birth weights are still at high-risk of IFI,but the incidence of IFI has declined in recent years.Routine administration of fluconazole in high-risk infants in NICU could prevente IFI without increasing drug resistance.Candida albicans is the predominant pathogen ofIFI.
ABSTRACT
Bronchopulmonary dysplasia (BPD) is a chronic pulmonary disease which seriously affects the survival and long term quality of life in premature infants. Its pathogenesis is not yet clear. In recent years, the role of pulmonary vascular dysplasia in BPD has received increasing attention and evolved into a“vascular hypothesis”of the pathogenesis of BPD. Angiogenesis therapy based on this hypothesis has also made some progress in the treatment of BPD. This paper brielfy reviews the current research situation in this ifeld.