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1.
Article in Chinese | WPRIM | ID: wpr-346131

ABSTRACT

<p><b>OBJECTIVE</b>To study the clinical and imaging features of premature infants with different degrees of bronchopulmonary dysplasia (BPD).</p><p><b>METHODS</b>A prospective study was performed on the clinical data of 59 premature infants (gestational age <32 weeks) with BPD. Among the 59 premature infants, 37 cases had mild BPD and the other 22 cases had moderate to severe BPD. The clinical and imaging data were compared between these premature infants with different degrees of BPD.</p><p><b>RESULTS</b>The durations of mechanical ventilation, oxygen therapy, antibiotic therapy, parenteral nutrition, and hospitalization in the moderate to severe group were significantly longer than those in the mild group (P<0.05). The incidence of nosocomial infection and number of times of red blood cell transfusion in the moderate to severe group were significantly higher than that in the mild group. The rates of X-ray changes, including grade I respiratory distress syndrome (1 day after birth) and hypolucency of lungs (4-10 days and ≥ 28 days after birth) were significantly higher in the mild group than in the moderate to severe group. The rates of X-ray changes in classical BPD stage III (4-10 days after birth) and IV (≥ 28 days after birth) were significantly higher in the moderate to severe group than in the mild group.</p><p><b>CONCLUSIONS</b>The durations of mechanical ventilation, oxygen therapy, and antibiotic therapy and the incidence of nosocomial infection are correlated with the severity of BPD. The premature infants with severer BPD need a longer duration of parenteral nutrition and more times of red blood cell transfusion and have more typical imaging changes of BPD. Imaging examination has a predictive value for the severity of BPD.</p>


Subject(s)
Bronchopulmonary Dysplasia , Diagnostic Imaging , Female , Humans , Infant, Newborn , Infant, Premature , Male , Radiography, Thoracic , Tomography, X-Ray Computed
2.
Article in Chinese | WPRIM | ID: wpr-317353

ABSTRACT

<p><b>OBJECTIVE</b>To study the relationship between the growth rate of the corpus callosum and neurological motor development in premature infants.</p><p><b>METHODS</b>Fifty infants whose gestational ages were less than 34 weeks and who were admitted to the neonatal intensive care unit from March 2007 to August 2007 were enrolled. From 0 to 6 weeks of postnatal age, the sagittal midline cranial sonography via anterior fontanel was performed, once weekly. The length and the morphology of the corpus callosum were measured. The 52-neuromotor examinations were performed at 3 months of corrected gestational age.</p><p><b>RESULTS</b>The mean length of the corpus callosum was 39.16 mm at birth. The mean growth rate of the corpus callosum during the first 6 weeks of life was 1.05 mm/week. Fourteen infants showed abnormal neuromotor development and 36 had normal-neuromotor function at 3 months of corrected gestational age. A decreased growth rate of the corpus callosum was observed in the abnormal nervimotion group between 2 and 3 weeks (0.68 mm/week vs 1.17 mm/week) and between 4 and 5 weeks (0.86 mm/week vs 1.12 mm/week) after birth compared with that in normal nervimotion group (p<0.05). The total growth rate of the corpus callosum from 2 to 6 weeks after birth in the abnormal nervimotion group was also lower than that in the normal nervimotion group (0.91 mm/week vs 1.15 mm/week; p<0.01).</p><p><b>CONCLUSIONS</b>A neuromotor delay at 3 months of corrected gestational age may be associated with the decreased growth rate of the corpus callosum between 2 and 6 weeks of life in premature infants.</p>


Subject(s)
Corpus Callosum , Diagnostic Imaging , Developmental Disabilities , Humans , Infant , Infant, Newborn , Infant, Premature , Motor Activity , Ultrasonography
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