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Chinese Journal of Neonatology ; (6): 545-549, 2023.
Article in Chinese | WPRIM | ID: wpr-990783

ABSTRACT

Objective:To study the clinical characteristics of ureaplasma urealyticum (UU) infection in preterm infants with gestational age <34 weeks.Methods:From January 2017 to December 2021, premature infants with gestational age <34 weeks admitted to neonatal department of our hospital were enrolled in this prospective cohort study. UU-DNA from respiratory tract samples were examined using quantitative fluorescence polymerase chain reaction method. The infants were assigned into UU (+) group and UU (-) group. Perinatal factors and clinical characteristics were compared between the two groups.Results:A total of 182 preterm infants were enrolled, including 59 cases (32.4%) in UU (+) group and 123 (67.6%) in UU (-) group. UU (+) group had significantly lower gestational age and birth weight and significantly higher incidences of vaginal delivery, premature rupture of membranes (PROM) >18 h and maternal chorioamnionitis than UU (-) group ( P<0.05). Compared with UU (-) group, UU (+) group had significantly higher leucocyte count, neutrophil count and interleukin-6 at 1, 24 and 72 h after birth ( P<0.05). No significant differences existed in C-reactive protein and procalcitonin between the two groups at each time point ( P>0.05). In UU (+) group, the incidences of intrauterine pulmonary infection and bronchopulmonary dysplasia (BPD) were higher and the incidence of respiratory distress syndrome was lower than UU (-) group ( P<0.05). No significant differences existed in the incidences of intraventricular hemorrhage, periventricular leukomalacia, feeding intolerance, necrotizing enterocolitis, retinopathy of prematurity between the two groups ( P>0.0 5). UU (+) group had significantly longer duration of oxygen therapy than UU (-) group ( P<0.05). No significant differences existed in the duration of invasive mechanical ventilation and hospital stay between the two groups ( P>0.05). Conclusions:Preterm infants <34 weeks with positive UU in respiratory tract secretions have higher incidences of vaginal delivery, PROM>18 h and maternal chorioamnionitis. Leukocyte and neutrophil count and interleukin -6 are higher in these infants. They need prolonged oxygen therapy and have increased risks of intrauterine pulmonary infection and BPD.

2.
Article in Chinese | WPRIM | ID: wpr-666161

ABSTRACT

Objective To study the clinical efficacy of self-madeQingre-Jiedu burn ointment on burn wound healing.Methods From November 2013 to October 2016, 94 burned patients in hospital were randomly divided into the observation group and control group, 47 cases each group. On the basis of conventional wound treatment, the control group was treated with compound sulfadiazine zinc coating, and the observation group was treated with self-madeQingre-Jiedu burn ointment topical coating. The analgesic effect and the clinical curative effect were observed and analyzed in the two groups. The Serum inflammatory cytokines like C-reactive protein(CRP), tumor necrosis factor-α (TNF-α), interleukin-6 (IL-6), growth factors [transforming growth factor-α (TGF-α), epidermal growth factor (EGF) levels and postoperative wound scar score (VSS) were compared before and after treatment.Results The rate of wound analgesic in the observation group was 85.1% (40/47) and the control group 59.6% (28/47). The difference was statistically significant (χ2=7.656,P<0.05). The total effective rate of the observation group was 93.6% (44/47) and the control group 78.7% (37/47). The difference was statistically significant (P<0.05). After treatment, the CRP (39.85 ± 8.41ng/Lvs. 57.45 ± 11.63 ng/L,t=8.408), TNF-α (2.65 ± 0.87 ng/Lvs. 4.53 ± 1.23 ng/L,t=8.555), IL-6 (72.36 ± 10.25 ng/Lvs. 93.68 ± 12.54 ng/L,t=9.025) levels in the observation group were significantly lower than those in the control group (P<0.05). After treatment, the TGF-α (53.69±6.51)pg/mlvs. 46.61 ± 6.51 pg/ml,t=6.192) and the levels in the observation group were significantly higher than those in the control group (P<0.05). Conclusions The self-madeQingre-Jiedu burn ointments could heal the burn wound and reduce scars, and promote the growth factors.

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