Clinical characteristics and factors associated with mucus plugs under bronchoscopy in children hospitalized for acute asthma attack.

Objective: To describe clinical characteristics of hospitalized children with acute asthma attacks complicated with mucus plugs and to investigate the factors associated with mucus plugs in asthma children.

Methods: This retrospective study analyzed hospitalized children and adolescents with acute asthma attacks from January 2016 to December 2021. The demographic information and characteristics were collected.

Analysis of risk factors for acute attacks complicated by respiratory failure in children with asthma.

Objective: To describe the proportion and clinical characteristics of hospitalized children with acute asthma attacks complicated by respiratory failure and to analyze the risk factors.

Methods: This retrospective study analyzed hospital admissions of children and adolescents with acute asthma attacks between January 2016 and December 2021. Inclusion criteria were used to identify eligible cases, and demographic information and disease characteristics were collected.

An Atypical Incontinentia Pigmenti Female with Persistent Mucocutaneous Hyperinflammation and Immunodeficiency Caused by a Novel Germline IKBKG Missense Mutation.

While most missense mutations of the IKBKG gene typically result in Ectodermal Dysplasia with Immunodeficiency, there have been rare reported instances of missense mutations of the IKBKG gene causing both Incontinentia Pigmenti (IP) and immunodeficiency in female patients. In this study, we described an atypical IP case in a 19-year-old girl, characterized by hyperpigmented and verrucous skin areas over the entire body. Remarkably, she experienced recurrent red papules whenever she had a feverish upper respiratory tract infection.

Microplastics in the Bronchoalveolar Lavage Fluid of Chinese Children: Associations with Age, City Development, and Disease Features.

This study characterized the occurrence patterns of microplastics (MPs) in the bronchoalveolar lavage fluid (BALF) of children with pulmonary diseases. MPs were detected in 89.6% of BALF samples with an average of 4.

Respiratory microbiota imbalance in children with Mycoplasma pneumoniae pneumonia.

Although previous studies have reported the dysregulation of respiratory tract microbiota in infectious diseases, insufficient data exist regarding respiratory microbiota imbalances in the lower respiratory tracts (LRTs) of children with pneumonia (MPP). Here, we analysed the microbial community using 16S rRNA gene sequencing. Finally, bronchoalveolar lavage fluid (BALF) samples from 158 children with MPP and 29 with bacterial or viral pneumonia (control group) were collected.

[Classification of tracheobronchial tuberculosis in 252 children].

To provide theoretical basis for early diagnosis and accurate bronchoscopic classification of tracheobronchial tuberculosis (TBTB) in children through analyzing the clinical characteristics, bronchoscopic classifications and treatment effect in children with TBTB. In this respective study, we collected clinical data of patients with TBTB who accepted bronchoscopies in Interventional Pulmonology Department of Beijing Children's Hospital Affiliated to Capital Medical University between January, 2006 and December, 2019. The basic data, including clinical manifestations, imaging features, bronchoscopic characteristics and effects of interventional therapy were analyzed.

Exhausted and Apoptotic BALF T Cells in Proinflammatory Airway Milieu at Acute Phase of Severe Mycoplasma Pneumoniae Pneumonia in Children.

Severe mycoplasma pneumoniae pneumonia (MPP) in children presents with serious clinical complications. Without proper and prompt intervention, it could lead to deadly consequences. Dynamics of the inflammatory airway milieu and activation status of immune cells were believed to be the hallmark of the pathogenesis and progress of the disease.

Stent intervention for children with CHD and tracheal stenosis.

CHD is closely related to respiratory system diseases (Mok Q, Front Pediatr 2017; 5: 2296-2360). Flexible fibreoptic bronchoscopy will diagnose anatomical lesions of the trachea and perform interventions at the same time for children with indications. We report a case of pulmonary artery sling with severe tracheostenosis in a 11-month-old boy.

A Test for More Accurate Diagnosis of Pulmonary Tuberculosis.

Objectives: Xpert and rifampicin (MTB/RIF) Ultra assay has increasingly been used in adult tuberculosis diagnosis, but data relating to its diagnostic accuracy in children are lacking. Because a qualified sputum specimen is difficult to obtain in children, this study evaluated the diagnostic value of Ultra in childhood tuberculosis using bronchoalveolar lavage fluid.

Methods: The accuracy of Ultra was calculated by using bacteriologic results and clinical evidence as reference standards.

Effective treatment of post-intubation subglottic stenosis in children with holmium laser therapy and cryotherapy via flexible bronchoscopy.

Importance: Post-intubation subglottic stenosis (SGS) in children can be life threatening. Definitive treatment varies and lacks a universally accepted approach.

Objective: We performed a prospective study to assess the safety and feasibility of holmium laser combined with cryotherapy delivered via flexible bronchoscopy for the treatment of post-intubation SGS in children.

Characteristics and clinical role of bronchoscopy in diagnosis of childhood endobronchial tuberculosis.

Background: Endobronchial tuberculosis (EBTB) is the most frequent complication of primary pulmonary tuberculosis (PTB) in children. The aim of the study was to analyze characteristics and clinical role of bronchoscopy in diagnosis of childhood EBTB.

Methods: A retrospective, descriptive study was undertaken in 157 children with EBTB undergone flexible bronchoscopy (FB) between January 2006 and June 2014.

Clinical characteristics of disseminated cryptococcosis in previously healthy children in China.

Background: Disseminated cryptococcosis is a rare and fatal disease, and limited data exist regarding it in children. This study aimed to investigate the clinical characteristics of disseminated cryptococcosis in previously healthy children in China.

Methods: Hospitalized patients with disseminated cryptococcosis were enrolled during January 1996 to December 2015 in Beijing Children's Hospital, Capital Medical University, China.

Impact of glutathione S-transferase M1 and T1 on anti-tuberculosis drug-induced hepatotoxicity in Chinese pediatric patients.

Background: Anti-tuberculosis drug induced hepatotoxicity (ATDH) is a major adverse drug reaction associated for anti-tuberculosis therapy. The glutathione S-transferases (GST) plays a crucial role in the detoxification of hepatotoxic metabolites of anti-tuberculosis drugs.An association between GSTM1/GSTT1 null mutations and increased risk of ATDH has been demonstrated in adults.

Rapid diagnosis of childhood pulmonary tuberculosis by Xpert MTB/RIF assay using bronchoalveolar lavage fluid.

In order to evaluate the diagnostic accuracy of the Xpert MTB/RIF assay on childhood pulmonary tuberculosis (PTB) using bronchoalveolar lavage fluid (BALF), we evaluated the sensitivity, specificity, positive predictive value, and negative predictive value of Xpert MTB/RIF assay using BALF in comparison with acid-fast bacilli (AFB) microscopy and Mycobacterium tuberculosis (MTB) culture for diagnosing childhood PTB using Chinese "composite clinical reference standard" (CCRS) as reference standard. Two hundred fifty-five children with suspected PTB were enrolled at Beijing Children's Hospital from September 2010 to July 2013. Compared with Chinese CCRS, the sensitivity of AFB microscopy, MTB culture, and Xpert MTB/RIF assay was 8.

Pediatric tuberculosis at Beijing Children's Hospital: 2002-2010.

Objective: Our aim was to describe the patient characteristics, clinical-epidemiological profile, and treatment outcome of childhood tuberculosis (TB).

Methods: A retrospective, descriptive study was undertaken of 1212 children aged 0 to 18 years admitted to Beijing Children's Hospital for the treatment of TB from January 2002 to December 2010. Statistical significance of category variables was evaluated by using Fisher's exact test.

Tracheoesophageal fistula after primary repair of type C esophageal atresia in the neonatal period: recurrent or missed second congenital fistula.

Purpose: The aim of the study is to investigate whether a tracheoesophageal fistula (TEF) found after the primary repair of type C esophageal atresia (EA) is a recannulation of the original fistula, a missed proximal fistula, or other rare foregut malformation.

Methods: Between 2000 and 2009, 143 different types of patients with EA were admitted in our hospital. Seven patients (2 from our series, 5 referred to us by other hospitals with the history of primary repair of type C EA) had late presenting TEF.

IFN-γ release assay: a diagnostic assistance tool of tuberculin skin test in pediatric tuberculosis in China.

Background: Prompt diagnosis of Mycobacterium tuberculosis (MTB) infection is an essential step in tuberculosis control and elimination. However, it is often difficult to accurately diagnose pediatric tuberculosis (TB). The tuberculin test (TST) may have a low specificity because of cross-reactivity with antigens present in Mycobacterium bovis bacillus Calmette-Guerin (BCG) and other mycobacteria, especially in China with a predominantly BCG-vaccinated population.

[Clinical features of endogenous bronchial foreign bodies and application of bronchoscopy in children].

Objective: To study the clinical features of endogenous bronchial foreign bodies and the value of bronchoscopy in children.

Methods: One hundred and six children who presented lobe or lung segment atelectasis by the chest X-ray and bronchial foreign body inhalation was excluded by bronchoscopy were enrolled. The original diseases included Mycoplasma pneumonia (n=62), endobronchial tuberculosis (n=24), bronchial pneumonia (n=16), nephrotic syndrome (n=2), laryngotracheal bronchitis (n=1) and bronchiolitis (n=1).

Metaanalysis of P2X7 gene polymorphisms and tuberculosis susceptibility.

Although many case-control studies have investigated the association between P2X7 gene polymorphisms and tuberculosis susceptibility, the interpretation of these data has been difficult due to limited power. As a means of better understanding the link between P2X7 and tuberculosis, a systematic review of the literature was conducted using metaanalysis. This approach provided a quantitative summary estimate on the association between P2X7 and tuberculosis.

[Clinical analysis of bronchial foreign bodies in 246 children].

Objective: To analyze the characters of bronchial foreign bodies in children and the utilization of bronchoscope in the treatment of bronchial foreign bodies.

Methods: A total of 246 children were diagnosed with bronchial foreign bodies at our hospital during January 2000 until August 2009. Under local mucosal anesthesia, a bronchoscope was inserted through nasal cavity into bronchi.

[Measurement of pulmonary function with body plethysmograph in infants].

Objective: To observe the alterations of pulmonary function in infants with respiratory diseases.

Methods: A total of 900 infants with respiratory diseases were recruited and pulmonary function measured in 30 healthy infants. The tests were performed in the sleeping infants with sedation.

[Association of NRAMP1 gene polymorphisms with the susceptibility to tuberculosis in ethnic Han Chinese children].

Objective: Tuberculosis is still a public health problem. Host genetic factors, such as polymorphisms in NRAMP1 gene, may play a role in the development of tuberculosis. To clarify the effect of NRAMP1 gene polymorphisms on the development of childhood tuberculosis, the association of NRAMP1 gene polymorphisms with susceptibility to tuberculosis in the ethnic Han Chinese children was investigated.

SLC11A1 (Formerly NRAMP1) gene polymorphisms associated with pediatric tuberculosis in China.

Background: Tuberculosis is an urgent public health problem caused by Mycobacterium tuberculosis infection. Many factors, including host genetic factors, are involved in tuberculosis pathogenesis. The SLC11A1 gene (formerly NRAMP1) is a primary candidate for association with tuberculosis susceptibility.