Child ; Humans ; Pneumonia ; diagnosis ; etiology ; Recurrence

Humans ; Pneumonia/etiology* ; Hematopoietic Stem Cell Transplantation

Brain Edema ; etiology ; Female ; Heart Failure ; etiology ; Humans ; Infant ; Pneumonia ; complications ; Pulmonary Edema ; etiology

BACKGROUND: Although a variety of risk factors of pneumonia after clipping or coiling of the aneurysm (post-operative pneumonia [POP]) in patients with aneurysmal subarachnoid hemorrhage (aSAH) have been studied, the predictive model of POP after aSAH has still not been well established. Thus, the aim of this study was to assess the feasibility of using admission neutrophil to lymphocyte ratio (NLR) to predict the occurrence of POP in aSAH patients. METHODS: We evaluated 711 aSAH patients who were enrolled in a prospective observational study and collected admission blood cell counts data. We analyzed available demographics and baseline variables for these patients and analyzed the correlation of these factors with POP using Cox regression. After screening out the prognosis-related factors, the predictive value of these factors for POP was further assessed. RESULTS: POP occurred in 219 patients (30.4%) in this cohort. Patients with POP had significantly higher NLR than those without (14.11 ± 8.90 vs. 8.80 ± 5.82, P < 0.001). Multivariate analysis revealed that NLR remained a significant factor independently associated with POP following aSAH after adjusting for possible confounding factors, including the age, World Federation of Neurosurgical Societies (WFNS) grade, endovascular treatment, and ventilator use. And the predictive value of NLR was significantly increased after WFNS grade was combined with NLR (NLR vs. WFNS grade × NLR, P = 0.011). CONCLUSIONS Regardless of good or poor WNFS grade, patients having NLR >10 had significantly worse POP survival rate than patients having NLR ≤10. NLR at admission might be helpful as a predictor of POP in aSAH patients.
Humans ; Lymphocytes ; Neutrophils ; Pneumonia/etiology* ; Prognosis ; Subarachnoid Hemorrhage ; Treatment Outcome

OBJECTIVETo study the clinical characteristics of Mycoplasma pneumoniae (MP)-associated ischemic stroke in children.

METHODSThe case of a girl with MP-associated ischemic stroke was reported, including clinical manifestations and laboratory and imaging examinations, and related literature was reviewed.

RESULTSThe girl, who was suffering from a respiratory tract infection was found to have hemiplegia and aphasia which were expressed in ischemic stroke. IgM antibody to MP in serum (1∶320) and lavage fluid was positive. Pulmonary imaging showed unilateral consolidation and pleural exudate. Cerebral neuroimaging examination showed occlusion of the bilateral middle cerebral artery, mainly on the left side. The neurological symptoms and signs were recovered after comprehensive therapy with medication (azithromycin, hormone and heparin) and rehabilitation training.

CONCLUSIONSIschemic stroke is rare but severe manifestation of central nervous system damage in children suffering from MP infection. Cerebral imaging and etiological examinations contribute to the diagnosis. Early use of macrolide antibiotics, anticoagulant and hormone may improve the prognosis.

Brain Ischemia ; etiology ; Child ; Female ; Humans ; Pneumonia, Mycoplasma ; complications ; drug therapy ; Stroke ; etiology

Bacteria ; isolation & purification ; Community-Acquired Infections ; etiology ; microbiology ; virology ; Humans ; Pneumonia ; etiology ; microbiology ; virology

Pulmonary infection after renal transplantation is a well recognized and prevalent postoperative complication, which can occur at either the early stage or late stage after transplantation. The etiology and this phenomenon and its impacts remains unclear. It may be life-threatening in severe patients. Early diagnosis and treatment are important; meanwhile, the dosage of immunosuppressant should be minimized. Prophylactic management should also be emphasized.
Humans ; Kidney Transplantation ; Pneumonia ; diagnosis ; etiology ; therapy ; Postoperative Complications ; diagnosis ; etiology ; therapy

Child ; Humans ; Liver Transplantation ; adverse effects ; Measles ; etiology ; Pneumonia, Viral ; etiology ; Transplant Recipients

OBJECTIVETo investigate the spectrum of pathogens for community-acquired pneumonia (CAP) in children, and to provide a basis for the diagnosis and treatment of CAP.

METHODSRespiratory secretions and venous blood samples were collected from 1560 children with CAP aged from one month to 9 years within 2 hours after admission, for detection of multiple pathogens. Respiratory virus antigens in nasopharyngeal swab specimens were detected by immunofluorescence. Sputum was used for bacterial culture. Levels of Mycoplasma pneumoniae (MP)-IgM and Chlamydia pneumoniae (CP)-IgM in venous blood were measured by enzyme-linked immunosorbent assay.

RESULTSA total of 579 strains of bacteria were isolated from all respiratory secretions, including 213 (36.8%) Gram-positive strains and 366 (63.2%) Gram-negative strains. The five most common strains were Haemophilus influenzae (7.50%), Streptococcus pneumoniae (6.73%), Staphylococcus aureus (6.35%), Moraxella catarrhalis (5.19%), and Escherichia coli (3.46%), wherein the beta-lactamase-producing strains accounted for 3.3% of all strains. The non-bacterial pathogens mainly included respiratory syncytial virus (12.88%), MP (7.88%), and CP (8.91%). Mixed infection of pathogens was serious, and the mixed infection of respiratory syncytial virus with Haemophilus influenzae infections were the most common. For most pathogens, the infection rate was higher in children aged under one year than in those aged over one year.

CONCLUSIONSHaemophilus influenzae, respiratory syncytial virus, MP and CP are the main pathogens for children with CAP. For most pathogens, the infection rate is higher in children aged under one year than in those aged over one year. Mixed infection rate of pathogens is high.

Child ; Child, Preschool ; Coinfection ; etiology ; microbiology ; Community-Acquired Infections ; etiology ; microbiology ; Female ; Humans ; Infant ; Male ; Pneumonia ; etiology ; microbiology

UNLABELLEDTo explore the occurrence patterns of pulmonary complications at different stages in haploidentical bone marrow transplantation, a series of clinical data as the onset time, etiology, management choices and prognosis in 18 patients with pulmonary disorders were summarized. The results showed that in 18 out of 70 patients after bone marrow transplantation occurred pulmonary complications which included pneumonia affected by bacteria (7 cases), fungus (5 cases) and cytomegalovirus (CMV, 4 cases), bronchiolitis obliterans organizing pneumonia (BOOP, 1 case), and idiopathic pneumonia syndrome (1 case), out of which 8 cases died. Fungal and CMV pneumonia occurred predominantly 2 to 3 months after transplantation, whereas bacterial pneumonia was observed in the duration of 3 to 12 months and 4 cases of them suffered from secondary fungal infections during treatment. BOOP and idiopathic pneumonia syndrome were diagnosed 12 months and 50 days after transplantation respectively.

IN CONCLUSIONpulmonary complications were commonly seen in haploidentcal bone marrow transplantation, and fungal pneumonia might be the main cause that needs intensive management.

Adult ; Bone Marrow Transplantation ; adverse effects ; Cryptogenic Organizing Pneumonia ; etiology ; Cytomegalovirus Infections ; etiology ; Female ; Haplotypes ; Humans ; Lung Diseases ; etiology ; Male