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1.
Article in Chinese | WPRIM | ID: wpr-910892

ABSTRACT

Objective:To analyse the pathogenic bacteria distribution and clinical characteristics of late-onset sepsis (LOS) among premature infants with gestational age less than 34 weeks in Henan Province.Methods:The clinical data of 6 590 premature infants admitted to 17 medical institutions in Henan Province from January 2019 to December 2020 were retrospectively analyzed. The gestational age of infants was less than 34 weeks and was admitted to the neonatal ward within 7 days after birth. SPSS 19.0 statistical software was used for data analysis.Results:Among 6 590 premature infants LOS developed in 751 cases (11.40%), of whom the diagnosis was confirmed in 276 cases (36.75%) and 475 cases (63.25%) were diagnosed clinically. The fatality rate related to LOS was 13.58%. There were significant differences in the incidence of LOS and infection-related mortality among infants with different gestational ages and body weights ( χ2=388.894 and 13.572, χ2=472.282 and 9.257, P<0.05 or <0.01). Among 276 children with confirmed LOS, 286 strains of pathogenic bacteria were isolated. Gram-negative bacteria were most prevalent (178 strains), accounting for 62.24% of all infections, followed by fungi (58 strains, 20.28%). Klebsiella pneumoniae was most frequently detected Gram-negative bacteria (117 strains, 40.91%), among which 32.48% (38/117) was carbapenem-resistant Klebsiella pneumoniae. The proportion of diagnosed sepsis, the proportion of catheterization, and the infection-related mortality of infants with LOS in tertiary hospitals were all higher than those in secondary hospitals ( χ2=6.212, 5.313 and 4.435, all P<0.05). The proportion of exclusive breastfeeding in secondary hospitals was lower than that in tertiary hospitals ( χ2=19.216, P<0.05). The time of antibacterial drug use before infection in specialized hospitals was longer than that in general hospitals ( χ2=3.276, P<0.05). Conclusion:The incidence of LOS among preterm infants in Henan Province is high, which was mainly caused by Gram-negative bacteria. The clinical characteristics of LOS caused by different pathogens and in different health institutions are different, the prevention and control strategy should be developed accordingly to reduce the incidence LOS of preterm premature infants.

2.
Article in Chinese | WPRIM | ID: wpr-752938

ABSTRACT

Objective To evaluate the efficacy and safety of bronchoalveolar lavage( BAL) in the treatment of neonatal atelectasis with fiberoptic bronchoscopy under ultrasound monitoring. Methods From June 2018 to December 2018,29 children were diagnosed as atelectasis by lung ultrasound. After conventional mechanical vibration and sputum ineffective,BAL was treated with fiberoptic bronchoscopy. All patients be-fore operation were monitored by ultrasound to find the lung segment where the atelectasis was located. 0. 9%NaCl solution was injected by fibrobronchoscope(1~2 ml/kg),and then sucked to ensure the recovery rate of the lavage fluid was more than 50%. After each lavage,ultrasound was immediately used to monitor the recovery of atelectasis to determine whether or not to continue the lavage. One course of treatment could be continuously performed BAL 1 to 3 times a day,1 course per day,and up to 3 courses of lavage. We analyzed the efficacy,adverse reactions and complications of BAL in the treatment of neonatal atelectasis under ultra-sound monitoring. Results Twenty-nine patients underwent BAL treatment with fiberoptic bronchoscopy,25 cases (86. 2%) were cured,3 cases (10. 3%) were effective,and 1 case (3. 4%) was ineffective. All chil-dren had stable vital signs during treatment. Among them,11 cases (37. 9%) had transient hypoxemia, 3 ca-ses (10. 3%) had tracheal mucosal injury, and 2 cases (6. 9%) had hoarseness. There were no serious com-plications such as pulmonary hemorrhage,pneumothorax,and cardiac arrest. Conclusion BAL treatment of atelectasis under lung ultrasound monitoring has obvious effect,easy to operate,no radiation,no obvious ad-verse reactions and complications,which is worthy of clinical application.

3.
Article in Chinese | WPRIM | ID: wpr-756129

ABSTRACT

Objective To investigate the situation and the causes of neonatal death in Henan Province.Methods This study retrospectively analyzed the clinical data of 277 neonates who died at 18 hospitals in Henan Province in 2017.Distribution and causes of neonatal deaths,differences between perinatal conditions of premature and term/post-term infants,causes of early (< 7 d) and late (7-28 d) neonatal deaths and the differences in neonatal death cases between Maternal and Child Health Care Hospitals and General/Children's Hospitals were analyzed.We used t,rank-sum and Chi-square test (or corrected Chi-square test,or Fisher's exact test) for statistical analysis.Results (1) A total of 50 993 newboms were admitted to the 18 hospitals in 2017,297 of which died with a mortality of 5.82‰.After excluding 20 cases with uncertain birth or maternal pregnancy history or clinical data,277 cases with complete data were analyzed.Among them,168 (60.6%) were preterm neonates and 109 (39.4%) were term/post-term ones.Early and late neonatal deaths accounted for 74.0% (205 cases) and 26.0% (72 cases),respectively.(2) The top five causes of neonatal deaths were infection (78 cases,28.2%),asphyxia (54 cases,19.5%),neonatal respiratory distress syndrome (NRDS,33 cases,11.9%),severe congenital malformations (26 cases,9.4%) including cyanotic congenital heart diseases,digestive malformations,airway malformations and neural tube defects and pulmonary hemorrhage (23 cases,8.3%).Among them,the top three causes of early neonatal deaths were asphyxia (48 cases,23.4%),infection (43 cases,21.0%) and NRDS (33 cases,16.1%),while the main causes of late neonatal deaths were infection (35 cases,48.6%),major congenital malformations (9 cases,12.5%) and chromosome abnormities/inherited metabolic diseases (7 cases,9.7%).(3) Maternal complications during pregnancy accounted for 79.1% (219 cases) and the predominant types were pregnancy-induced hypertension (43 cases,19.6%),followed by infection (36 cases,16.4%),placental-related conditions (32 cases,14.6%),gestational diabetes mellitus (23 cases,10.5%),hypothyroidism (20 cases,9.1%),fetal distress (18,8.2%),twin-twin transfusion syndrome (10 cases,4.6%) and cholestasis syndrome (9 cases,4.1%).(4) Compared with the term/post-term cases,the preterm cases had higher proportions of multiple births [27.4% (46/168) vs 6.4% (9/109),x2=14.016,P < 0.05],assisted reproduction [7.1% (12/168) vs 0.9% (1/109),x2=4.421,P < 0.05] and maternal hypertensive disorders of pregnancy [21.4% (36/1 68) vs 6.4% (7/109),x2=11.353,P < 0.05],infection [16.7% (28/168) vs 7.3% (8/109),x2=4.295,P < 0.05] and twin-to-twin transfusion syndrome [6.0% (10/168) vs 0.0% (0/109),x2=6.707,P < 0.05].(5) Among all the early neonatal deaths,preterm cases had a higher incidence of NRDS than term/post-term neonates [20.3% (27/133) vs 8.3% (6/72),x2=1 1.937,P < 0.05],but lower incidence of meconium aspiration syndrome (MAS),severe congenital malformations and chromosome abnormalities/inherited metabolic diseases [0.8% (1/133) vs 5.6% (4/72),x2=4.508;3.8% (5/133) vs 16.7% (12/72),x2=10.233;1.5% (2/133) vs 6.9% (5/72),~=4.172;all P < 0.05].Among the late neonatal deaths,the incidence of severe intracranial hemorrhage in preterm infants was higher than that in term/post-term neonates [7.1% (3/42) vs 0.0% (0/30),x2=2.205,P < 0.05].(6) Compared with the cases in General/Children's Hospitals,those in Maternal and Child Health Care Hospitals showed a higher proportion of preterm neonatal deaths [67.3% (105/156) vs 52.1% (63/121),x2=6.010,P < 0.05],younger gestational age [(32.8±5.3) weeks vs (34.6±4.9) weeks,t=3.072,P < 0.05],lower birth weight [(2 132.6± 1 014.5) g vs (2 409.4±987.3) g,t=-2.513,P < 0.05],and higher average age of death [M(P25-P75),3 (1-8) d vs 2 (1-4) d,Z=3.710,P < 0.05].Conclusions Neonatal death occurs mainly within one week after birth in those with maternal complications.Late preterm deaths and term/post-term cases account for nearly half of total neonatal deaths.The causes of death for preterm and term/post-term newborns vary with postnatal age.Infection,asphyxia and severe congenital malformations are important causes of neonatal deaths.

4.
Article in Chinese | WPRIM | ID: wpr-447730

ABSTRACT

Objective To discuss the value of amplitude integrated electroencephalographic(aEEG) monitoring in early neonatal brain injury and prognosis of asphyxia neonatal.Methods Seventy-two subjects of asphyxia children were divided into mild asphyxia group and severe asphyxia group.We selected 45 cases of full-term healthy children born in our hospital as control group in the same term.All the objects were observed by aEEG monitoring within 6 hours.According to the aEEG results,all the samples were redivided into normal aEEG group,mildly abnormal aEEG group and severely abnormal aEEG group.All subjects were followed-up to observe their physical growth and the nervous system development at one-year-old.Results Incidence of abnormal aEEG in mild asphyxia group and severe asphyxia group was significantly higher than that of control group(x2 =26.996,47.07,P < 0.01,respectively),and incidence of abnormal aEEG in severe asphyxia group was significantly higher than that of mild asphyxia group (x2 =7.76,P < 0.05).There was no significant difference in all subjects about physical development (height and weight) (P > 0.05),all of their mental index and developmental quotient were lower in severely abnormal aEEG group (x2 =13.450,15.285,P < 0.01,respectively).Conclusion aEEG can be used to assess the early neonatal brain injury of asphyxia neonatal,and it can be used to predict the prognosis of neonatal asphyxia based on the abnormal degree of aEEG.

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