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Objective To explore the clinical features and risk factors of poor prognosis in neonatal necrotizing enterocolitis(NEC).Methods A retrospective study was carried out in the infants with NEC admitted to 6 cooperative hospitals in Guangdong Province between January 2005 and December 2014.The clinical features and risk factors of poor prognosis in preterm and full-term infants diagnosed NEC,early onset and late onset NEC were analyzed.Results A total of 449 cases who met the criteria were admitted during the study time.The mortality was 23.6％ (106/449 cases),of which the preterm group was 24.6％ (58/238 cases) while the full-term group was 22.7％ (48/211 cases),the early onset group was 22.1％ (45/204 cases) while the late onset group was 24.3％ (57/235 cases).The median number of NEC onset in preterm group was 11 d after birth while the number of the full-term group was 6 d.Full-term infants who diagnosed NEC were more likely to manifest themselves as abdominal distension (52.1％ vs.42.0％,x2 =4.597,P =0.032),vomiting(36.5％ vs.17.2％,x2 =21.428,P =0.000) and bloody stool(30.3％ vs.21.4％,x2 =4.653,P =0.031);but in the onset of NEC,preterm infants more likely to have feeding intolerance (21.0％ vs.12.8％,x2=5.309,P =0.021).The early onset group of full-term NEC was much common in twins or multiplets(9.4％ vs.1.1％,x2 =6.226,P =0.013),which rate of surgical therapy was much higher (41.0％ vs.27.0％,P =0.036) and the breast-feeding rate before NEC was lower than the late onset group(14.5％ vs.32.6％,x2 =9.500,P =0.002),the differences were statistically significant.The gestational age and birth weight were bigger in the early onset group of preterm NEC[(33.8 ±2.5) weeks vs.(32.2 ±2.8) weeks,t =4.261,P =0.000;(2.1 ±0.5) kg vs.(1.7 ± 0.5) kg,t =4.735,P =0.000)],but length of stay was shorter than the late onset group (18.0 d vs.26.5 d,P =0.000).Logistic regression analysis showed that the risk factors of poor prognosis of full-term NEC were shock,peritonitis and sepsis;while risk factors of poor prognosis of preterm NEC were small for gestational age infant,pulmonary hemorrhage,shock,intestinal perforation and sepsis;the risk factors of poor prognosis of the early onset group of full-term NEC was shock;while those of the late onset group were shock and peritonitis;the risk factors of poor prognosis in the early onset group of preterm NEC were shock and sepsis,while those in the late onset group were pulmonary hemorrhage,shock,intestinal perforation and sepsis.Conclusions Compared to the preterm NEC,the onset time of full-term NEC was earlier and the clinical manifestations were more typical.Early identification and management of shock,peritonitis,intestinal perforation,sepsis and pulmonary hemorrhage can reduce the risk of poor prognosis of neonate NEC.
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Objective To investigate the risk factors of congenital diaphragmatic hernia (CDH) deaths.Methods A retrospective study was conducted on 37 CDH patients during 10 years.Clinical characteristics and risk factors were compared and non-conditional logistic regression analysis was performed to determine independent predictors for mortality.Results Twenty nine patients,from a total of 37,underwent surgery for CDH.The total mortality rate in patients with CDH was 32.4％ (12/37) and the overall operative mortality was 13.8％ (4/29).There was a significant difference between CDH patients who survived (n =25) and those who died (n =12) in birth weight[(3.12±0.41) kg vs (2.66 ±0.65) kg],the age on admission [(135.14 ± 209.71) h vs (6.67 ± 7.79) h],hospital length of stay [(16.52 ± 6.23) d vs (1.25 ±1.38) d],oxygenation index[(239.55 ± 115.95) mmHg vs (96.10 ±59.18) mmHg,1 mmHg =0.133 kPa],early antenatal diagnosis (3 cases vs 6 cases),right congenital diaphragmatic hernia(1 cases vs 4 cases),cardiac malformations (2 cases vs 6 cases) and presence of persistent pulmonary hypertension of newborn (3 cases vs 7 cases) (P ＜0.05).Using logistic regression analysis,the following factors independently predicted mortality were antenatal diagnosis (OR =20.97,95％ CI 1.60 ～ 275.78),low oxygenation index (OR =18.12,95 ％ CI 0.80 ～ 123.12) and cardiac malformations (OR =22.0,95 ％ CI 1.46 ～ 332.32).Conclusion CDH patients have higher mortality.Risk factors for mortality in neonatal CDH are associated with early antenatal diagnosis,low oxygenation index and cardiac malformations.
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Objective To investigate the risk factors of bronchopulmonary dysplasia(BPD)in very low birth weight infant.Methods The clinical data of 49 very low birth weight infants in our NICU from Sep 2006 to Sep 2009 were reviewed,and divided into BPD group(n =15)and without BPD group(n =34).The risk factors of BPD were analysed.Results Compared with the infants without BPD,there were significant differences in gestational age[(29.30 ± 1.48)week vs(30.54 ± 1.60)week],hospital-acquired infection(9 cases vs 10 cases),intrauterine infection(9 cases vs 8 cases),the time for continuous positive airway pressure(CPAP)[(12.47 ± 5.83)d vs(4.24 ± 4.19)d],the time for hyperoxia[(1.47 ± 1.41)d vs (0.18 ±0.63)d],patent ductus arteriosus(5 cases vs 1 cases)(P＜0.05).Logistic regression revealed that intrauterine infection and the time for CPAP were independent risk factors of BPD(P ＜0.05).Conclusion Prophylaxis of intrauterine infection may decrease the mortality and severity of BPD.The prolonged time for CPAP may predict the risk of BPD.
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Objective To investigate the effect of curosurf in treatment of children with hyaline membrane disease and the nursing. Methods 56 cases of children patients with hyaline membrane disease from June 2008 to June 2010 admitted to neonatal wards were selected. The control group (26 cases)treated with mechanical ventilation alone and corresponding conventional care, on this basis, the treatment group (30 cases) was treated with curosurf and give systemic nursing intervention. Symptomatic relief time, mechanical ventilation time, length of stay, complication incidence rate, death rate, PaO2 and PaCO2 before and after treatment were observed in two groups. Results Symptomatic relief time, mechanical ventilation time, length of stay, complication incidence rate in the treatment group was significantly lower than that in the control group; PaO2 and PaCO2 amelioration in the treatment group was better than the control group. Conclusions Children with hyaline membrane disease should be treated with curosurf and given systemic nursing intervention as early as possible, it can rapidly improve the symptoms of hypoxia, reduce complications, decrease mortality, accelerate the recovery of disease.