The treatment role of flexible bronchoscopy (FOB) for pediatric refractory Mycoplasma pneumoniae pneumonia (RMPP) has been well documented. Besides, the application indication of FOB is also studied in patients with general MPP (GMPP), especially in those with large pulmonary lesions. This study was designed to examine the diagnostic value of bronchoscopic features for RMPP.The FOB and bronchoalveolar lavage (BAL) were adopted for pediatric patients who showed clinical and radiograph indications. On the basis of the final diagnosis on discharge, patients were divided into general and refractory MPP groups. The clinical, laboratory, and bronchoscopic imaging features were retrospectively investigated between these 2 groups.From June 2012 to May 2014, a total of 62 RMPP and 101 GMPP patients were treated with therapeutic bronchoscopy. The comparison analysis showed that the CRP, HBDH, LDH were significantly different between RMPP and GMPP groups (all P < .001). In the bronchoscopic imaging, the mucus plug was significantly more commonly seen in the RMPP group (P < .001). Receiver operating characteristic (ROC) analysis revealed that the combined serum, clinical, and FOB imaging data possessed greater specificity and sensitivity than serum and clinical data alone.Our data suggest that the combined serum, clinical, and bronchoscopic imaging data might serve as a promising predictor for early RMPP diagnosis for pediatric patients with large pulmonary lesions.
This study was performed to analyze 22 cases of Mycoplasma pneumoniae pneumonia (MPP) associated with bronchial casts (BCs) in children. Methods: We retrospectively reviewed all cases of MPP in children treated at our institution from November 2015 to December 2016. Demographic information, laboratory parameters, radiologic and fiberoptic bronchoscopy findings, treatment outcomes, and follow-up results were analyzed. Results: Among 161 patients with MPP, 22 had BCs and 139 had no BCs. All BCs occurred in a segmental or subsegmental bronchus and were removed by fiberoptic bronchoscopy. Patients with BCs had a longer duration of fever after admission and higher incidence of refractory MPP. Substantially more children with than without BCs had a high M. pneumoniae load in the bronchoalveolar lavage fluid. All patients with BCs but only 55.4% without BCs were given methylprednisolone in addition to the standard antibiotic treatment. A significantly higher proportion of children with than without BCs received oxygen therapy. After discharge, complete radiological resolution took significantly longer in children with than without BCs. Conclusions: In children with MPP, prompt removal of BCs may be necessary to prevent BC propagation. MPP with BCs is more severe than that without BCs, and treatment and recovery are more difficult.
BackgroundAmong pediatric patients hospitalized for Mycoplasma pneumoniae pneumonia (MPP), the risk factors for 90-day readmission after discharge is undefined.MethodsWe conducted a retrospective observational study of patients <14 years of age who were discharged with a diagnosis of MPP between January 2016 and February 2017. We collected clinical, laboratory and radiographic variables at the time of initial admission. We assessed pneumonia-related readmission within 90-day after discharge. Risk factors independently associated with rehospitalization were identified using multiple logistic regression models.ResultsOf the 424 MPP hospitalizations, 48 (11.3%) were readmitted within 90 days and were mainly diagnosed with pneumonia. Patients with younger age or coinfection with influenza A were more likely to be readmitted. In addition, compared with children without readmission, the readmission ones showed different clinical and laboratory characteristics at the index hospital admission. Multiple logistic regression analysis identified age (OR 0.815, 95%CI 0.706–0.940) and body temperature (OR 0.659, 95%CI 0.518–0.839) were significantly associated with lower risk of 90-day readmission. Coinfection with influenza was independently associated with a greater likelihood of 90-day readmission (OR 4.746, 95%CI 1.191–18.913).ConclusionsReadmission after MPP are common and is related to patients’ age, body temperature and influenza A coinfection during initial hospital stay, indicating potential targets could be noticed to reduce the rehospitalization after pediatric MPP.
Objective. To investigate the related risk factors for bronchiolitis obliterans (BO) in children with mycoplasma pneumonia (MP) bronchiolitis. Method. The clinical data of 227 children with MP bronchiolitis who were admitted to the II Department of Respiratory of Children’s Hospital of Hebei Province from January 2018 to June 2020 were retrospectively analyzed. According to the sequelae of BO, they were divided into 32 cases in the BO group and 195 cases in the non-BO group. The univariate analysis was performed on the clinical and laboratory parameters of the two groups, and the multifactor logistic regression was performed further to determine the independent risk factors for the occurrence of BO in MP bronchiolitis, and then, the cut-off value with the maximum diagnostic value of indicators was found through the ROC curve analysis. Results. The results of univariate and multivariate logistic regression analysis showed that the independent risk factors for the occurrence of BO in MP bronchioles were longer duration of moist rales ( OR = 1.203 , P = 0.003 ), higher levels of serum lactate dehydrogenase (LDH) ( OR = 1.005 , P = 0.036 ), hypoxemia ( OR = 7.442 , P = 0.035 ), and pleural effusion ( OR = 4.437 , P = 0.004 ). The area under the ROC curve was 78.2%, 72.0%, 68.2%, and 71.0%, respectively ( P < 0.001 ). The cut-off value of duration of moist rales and levels of serum LDH are 7.5 d and 330 U/L, respectively. Conclusion. Children with MP bronchiolitis with high serum LDH level (≥330 U/L), combined with hypoxemia, pleural effusion, and lung wet rale duration (≥7.5 d), may be more prone to BO, in which lung wet rale duration prediction value is the largest. Among them, duration of pulmonary moist rales has the highest predictive value.
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