ObjectiveTo study the value of plasma corticotropin-releasing hormone (CRH) and the fetal fibronectin (fFN) in vaginal secretions and cervical length in predicting preterm labor.MethodsThe plasma CRH levels and fFN levels in vaginal secretions from 24 -37 weeks pregnant woman checked up in our hospital from Dec.2009 to Dec.2010 were detected by ELLISA method.The changes of these three indexes were observed with the pregnant time and were analyzed according to different pregnancy outcomes.Results Among the 112 cases of pregnant women,premature delivery in 54 cases,full-term birth 58 cases.At the 24 week of pregnancy,there were significant difference on the cervical length( [2.8 ±0.4]cm vs [3.3 ±0.5]cm,t =3.254,P =0.021 ) between premature delivery group and full-term birth group.At the 28 - 30 week,31 -32 week,33 - 34 week,35 - 36 week,the CRH were ( 162.33 ± 16.49 ) ng/L,(60.01:±: 14.56) ng/L;(352.12 ±61.01 )ng/L,( 118.04 ±53.74)ng/L; (364.55 ±56.71 )ng/L,( 122.95 ±71.41 )ng/L; (372.78 ±149.89)ng/L,(124.00 ± 19.05 )ng/L respectively in premature delivery group and full-term birth group,and there were significant differences on CRH at the four different pregnant time(t =3.687,6.875,8.652,8.524,respectively,P ＜ 0.05 ).It shows better sensitivity ( 97.92％ ),specificity ( 90.00％ ),positive predictive value(95.92％ ) and negative predictive value(94.73％ ) in predicting premature delivery by detection of CRH,fFN combined with cervical length.ConclusionDetection of plasma CRH,fFN combined with cervix length measurement can improve the predictability of premature and provide a good,reliable clinical basis for the early diagnosis and treatment for preterm premature.

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Objective To explore the effect of atomization inhaled Budesonide on mild to moderate wheezing diseases in infants.Me-thods One hundred and twenty infants in the ward of center of respiratory were divided into 2 groups randomly during Jan. to Dec.2006.They suffered from bronchiolitis(56 cases)or wheezing bronchitis(11 cases) or asthzma of infants and young children(53 cases),aged 1 month to 3 years old.On the basis of the routine treatment, Budesonide inhalation suspension was administered on the therapeutic group, the dosage of Budesonide was 0.5 mg/time(1 month to 1 year old),1.0 mg/time(1 to 3 years old),2 times/d;Dexamethasone was given in the control group,the dosage of Dexamethasone was 5.0 mg/time(1 month to 1 year old),7.5 mg/time(1 to 3 years old),2 times/d. The persistence time of clinical symptoms,signs and staying in hospital were compared after the treatment, and the pulmonary function of two groups were also compared before and after treatment.Software of SPSS 12.0 was used to analyze data.Results There were significant differences in clinical symptoms (wheeze, cough), signs(wheezing rale) and time of staying in hospital between the treatment group and control group (t=3.98,5.44,4.61,2.96 Pa

Diffuse alveolar hemorrhage (DAH) is a clinical syndrome with major clinical manifestations of hemoptysis, anemia, and diffuse infiltration in the lung. DAH has a high mortality rate in the acute stage and is a life-threatening emergency in clinical practice. Compared with adult DHA, childhood DHA tends to have a specific spectrum of underlying diseases. It has long been believed that idiopathic pulmonary hemosiderosis (IPH) is the main cause of childhood DAH; however, with the increase in reports of childhood DAH cases, the etiology spectrum of childhood DAH is expanding. The treatment and prognosis of DAH with different etiologies are different. This review article gives a general outline of childhood DAH, with focuses on DAH caused by IPH, systemic lupus erythematosus, anti-neutrophil cytoplasmic antibody-related vasculitis, COPA syndrome, or IgA vasculitis.
Antibodies, Antineutrophil Cytoplasmic ; Child ; Hemorrhage ; Humans ; Lung Diseases ; Pulmonary Alveoli ; Vasculitis

OBJECTIVETo retrospectively assess serious systemic adverse effects of standardized dust-mite vaccine in children with asthma.

METHODSMedical records of 704 children (5-17 years in age) with asthma between January, 2005 and December, 2011 were reviewed. Serious systemic adverse events following treatment with a standardized dust-mite vaccine in these children were analyzed.

RESULTSA total of 336 systemic adverse reactions were observed in 17.0% (120/704) of the patients analyzed of these adverse reactions, 18 (5.4%) were serious (level 3), 318 (94.6%) were not serious (below level 3), and no single case of anaphylactic shock (level 4) was recorded. Systemic adverse events occurred most frequently in the 5 to 11-year age group and in the summer season (from June to August). In the 18 severe cases, the peak expiratory flow (PEF) dropped by 20% immediately after the vaccine injection, and other major clinical symptoms included cough, wheezing and urticaria. All children with serious systemic adverse effects were given inhaled hormone and atomized short-acting beta agonists, oral antihistamines, intravenous dexamethasone and/or intramuscular adrenaline. After these treatments, the clinical symptoms were significantly relieved.

CONCLUSIONSThe rate of serious systemic adverse events following allergen-specific immunotherapy is relatively low in children with allergic asthma. Conventional medications are effective in managing these immunotherapy-associated adverse events.

Adolescent ; Animals ; Asthma ; physiopathology ; therapy ; Child ; Child, Preschool ; Desensitization, Immunologic ; adverse effects ; Female ; Humans ; Male ; Peak Expiratory Flow Rate ; Pyroglyphidae ; immunology ; Retrospective Studies ; Vaccines ; adverse effects

OBJECTIVETo investigate the distribution of pathogens of children with community acquired pneumonia (CAP) from the Chongqing area.

METHODSNasopharyngeal specimens and blood specimens of 1 613 children with CAP were collected between January 2014 and December 2014 for bacterial culture and detection of 7 respiratory viruses and antibodies against Mycoplasma pneumoniae (MP).

RESULTSThe overall positive rate of bacteria was 50.22% (810 cases). Hemophilus parainfluenzae (40.8%), Streptococcus pneumonia (29.7%) and Moraxelle catarrhalis (7.3%) were the predominant ones. Among the viruses, the top detected virus was respiratory syncytial virus (RSV, 58.3%), followed by parainfluenza virus type3 (17.4%) and adenovirus (14.3%). A total of 481 cases (29.82%) were MP-positive. The co-infection rate was 32.18% (519 cases), and the mixed infections of bacteria and viruses were common (47.4%).

CONCLUSIONSRSV and Hemophilus parainfluenzae are the major pathogens of CAP in children from the Chongqing area. MP is also an important pathogen. The co-infection of bacteria and viruses is prevalent.

Adolescent ; Child ; Child, Preschool ; Community-Acquired Infections ; etiology ; Female ; Haemophilus parainfluenzae ; isolation & purification ; Hospitalization ; Humans ; Infant ; Male ; Mycoplasma pneumoniae ; isolation & purification ; Pneumonia ; etiology ; Respiratory Syncytial Viruses ; isolation & purification

AIM: To investigate the expression of NKG2A,NKG2D and their ligands in pregnancy uterine micro-environment and to probe the function of NKG2A and NKG2D imbalance expression during the immunotolerance at the fetal-maternal boundary.METHODS: Decidual lymphocytes and peripheral lymphocytes were obtained from 30 women during 6-9 weeks of pregnancy who were undergoing selective termination.FACS technology was used to detect NK cells number and NKG2A,NKG2D expression.RT-PCR was used to investigate HLA-E and MICA mRNA in trophoblast tissue.RESULTS: Natural killer cells predominate,accounting for 70% of pregnancy endometrial lymphocytes.FACS results indicated that NKG2A was significantly increased in decidual NK cells as compared with that in peripheral NK cells,accounting for 97.86%?1.75% and 33.35%?10.92%.The difference between them in NKG2A expression was significant(P

OBJECTIVETo investigate and compare the diagnostic values of bronchoscopy and multi-slice spiral computed tomography (CT) for congenital dysplasia of the respiratory system in infants.

METHODSAnalysis was performed on the clinical data, bronchoscopic findings and multi-slice spiral CT findings of 319 infants (≤1 years old) who underwent bronchoscopy and/or multi-slice spiral CT and were diagnosed with congenital dysplasia of the respiratory system.

RESULTSA total of 476 cases of congenital dysplasia of the respiratory system were found in the 319 infants, including primary dysplasia of the respiratory system (392 cases) and compressive dysplasia of the respiratory system (84 cases). Of the 392 cases of primary dysplasia of the respiratory system, 225 (57.4%) were diagnosed by bronchoscopy versus 167 (42.6%) by multi-slice spiral CT. There were significant differences in etiological diagnosis between bronchoscopy and multi-slice spiral CT in infants with congenital dysplasia of the respiratory system (P<0.05). All 76 cases of primary dysplasia of the respiratory system caused by tracheobronchomalacia were diagnosed by bronchoscopy and all 17 cases of primary dysplasia of the respiratory system caused by lung tissue dysplasia were diagnosed by multi-slice spiral CT. Of the 84 cases of compressive dysplasia of the respiratory system, 74 cases were diagnosed by multi-slice spiral CT and only 10 cases were diagnosed by bronchoscopy.

CONCLUSIONSCompared with multi-slice spiral CT, bronchoscopy can detect primary dysplasia of the respiratory system more directly. Bronchoscopy is valuable in the confirmed diagnosis of tracheobronchomalacia. Multi-slice spiral CT has a higher diagnostic value for lung tissue dysplasia than bronchoscopy.

Bronchoscopy ; methods ; Humans ; Infant ; Multidetector Computed Tomography ; methods ; Respiratory System Abnormalities ; diagnosis ; Tracheobronchomalacia ; diagnosis

OBJECTIVETo study the values of a combination of multiple less invasive or non-invasive examinations including chest computed tomography (CT) scan, purified protein derivative (PPD) test, erythrocyte sedimentation rate (ESR) test, and C-reactive protein (CRP) test in the diagnosis of pediatric sputum-negative pulmonary tuberculosis (TB).

METHODSA retrospective analysis was performed on the clinical data of 269 children with confirmed pulmonary TB. Clinical symptoms and test results were analyzed and compared between the sputum-negative group (161 patients) and the sputum-positive group (108 patients).

RESULTSThe sputum-negative group had atypical clinical symptoms, with fewer typical or relatively specific imaging features compared with the sputum-positive group. The positive rates of PPD, ESR, and CRP tests for the sputum-negative group were 39.1%, 44.1%, and 56.5%, respectively, versus 55.6%, 79.6%, and 59.3% for the sputum-positive group. There were significant differences in the positive rates of PPD and ESR tests between the two groups (P<0.05). More than 80% of the patients in each group were diagnosed with pulmonary TB according to three or four less invasive or non-invasive tests, without significant difference in the positive rate between the two groups (P>0.05). Forty-six patients in the sputum-negative group underwent bronchoscopy, and morphological changes with a diagnostic value and/or etiological and pathological evidence were observed in 40 (87.0%) of them.

CONCLUSIONSThe diagnosis rate of pediatric sputum-negative pulmonary TB can be increased by combining tests including chest CT scan, PPD test, ESR test, and CRP test. Bronchoscopy is a reliable method for the auxiliary diagnosis of pediatric sputum-negative pulmonary TB if the combining tests cannot provide compelling evidence.

Adolescent ; Blood Sedimentation ; Bronchoscopy ; C-Reactive Protein ; analysis ; Child ; Child, Preschool ; Female ; Humans ; Infant ; Infant, Newborn ; Male ; Sputum ; microbiology ; Tomography, X-Ray Computed ; Tuberculin Test ; Tuberculosis, Pulmonary ; diagnosis