Clinical features and treatment of refractory Mycoplasma pneumoniae pneumonia unresponded to conventional dose methylprednisolone in children

OBJECTIVE: To analyze the clinical manifestations of refractory Mycoplasma pneumoniae pneumonia (RMPP) which unresponded to methylprednisolone in the dosage of 2 mg/(kg·d) for 3 days

Bibliographische Detailangaben
Veröffentlicht in:Zhonghua er ke za zhi = Chinese journal of pediatrics. - 1960. - 52(2014), 3 vom: 07. März, Seite 172-6
1. Verfasser: Chen, Lili (VerfasserIn)
Weitere Verfasser: Liu, Jinrong, Zhao, Shunying, Yang, Yungang, Wu, Jinzhun
Format: Aufsatz
Sprache:Chinese
Veröffentlicht: 2014
Zugriff auf das übergeordnete Werk:Zhonghua er ke za zhi = Chinese journal of pediatrics
Schlagworte:Journal Article Adrenal Cortex Hormones Anti-Bacterial Agents C-Reactive Protein 9007-41-4 Ferritins 9007-73-2 Methylprednisolone X4W7ZR7023
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245 1 0 |a Clinical features and treatment of refractory Mycoplasma pneumoniae pneumonia unresponded to conventional dose methylprednisolone in children 
264 1 |c 2014 
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500 |a Date Revised 25.11.2016 
500 |a published: Print 
500 |a Citation Status MEDLINE 
520 |a OBJECTIVE: To analyze the clinical manifestations of refractory Mycoplasma pneumoniae pneumonia (RMPP) which unresponded to methylprednisolone in the dosage of 2 mg/(kg·d) for 3 days 
520 |a METHOD: Retrospective analysis was performed on the clinical data of 110 children (64 boys and 46 girls) with RMPP. The patients were divided into "effective group" and "ineffective group" according to initial effect of 2 mg/(kg·d) methylprednisolone. The clinical manifestations, laboratory examination, radiological features and bronchofibroscopic findings of the children were compared. In order to seek the reference indexes which indicate nonresponsive to 2 mg/(kg·d) methylprednisolone, an ROC curve was made, of which the diagnostic cut-off was five independent correlation factors while grouping was made according to patients' different response to glucocorticosteroid 
520 |a RESULT: The effective group had 86 (86/110, 78.2%) children while ineffective group had 24 (24/110, 21.8%). The ineffective group children had the following performance: 16 children (16/24, 66.7%) in ineffective group had ultrahyperpyrexia (T ≥ 40 °C), which was significantly more severe compared to those in effective group (32/86, 37.3%, P < 0.01); the levels of white blood cell (WBC) count, percentage of neutrophils count (N), C-reactive protein (CRP), serum ferritin (SF), alanine transaminase (ALT), lactic dehydrogenase (LDH), creatine kinase isoenzyme (CK-MB) and fibrinogen (Fib) in ineffective group were significantly higher than those in effective group(P < 0.01); while percentage of lymphocyte count (L) was lower than that in effective group(P < 0.01). Proportion of mixed infection in ineffective group was higher than that in effective group (33.3% vs. 4.7%). Radiological manifestations: It was more frequently seen in ineffective group that chest CT scan indicated high density consolidation in no less than a whole pulmonary lobe and pulmonary necrosis (41.7% vs. 0%). Abundant secretions blockage (45.0% vs. 16.9%) and mucosal necrosis (37.5% vs. 8.1%) on bronchofibroscopy were more frequently seen in ineffective group. The critical values of the five independent correlation factors were CRP 110 mg/L, SF 328 mg/L, LDH 478 IU/L, N 0.78, L 0.13 
520 |a CONCLUSION: Treatment with 2 mg/(kg·d) methylprednisolone can improve clinical symptoms and radiological manifestations of most children with RMPP quickly, but it may be ineffective in some situations such as lasting high fever or ultrahyperpyrexia for more than 7 days, CRP ≥ 110 mg/L, N ≥ 0.78, L ≤ 0.13, serum LDH ≥ 478 IU/L, SF ≥ 328 µg/L, chest CT scan indicating high density consolidation in more than a whole pulmonary lobe involved and moderate-abundant pleural effusion 
650 4 |a Journal Article 
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650 7 |a 9007-41-4  |2 NLM 
650 7 |a Ferritins  |2 NLM 
650 7 |a 9007-73-2  |2 NLM 
650 7 |a Methylprednisolone  |2 NLM 
650 7 |a X4W7ZR7023  |2 NLM 
700 1 |a Liu, Jinrong  |e verfasserin  |4 aut 
700 1 |a Zhao, Shunying  |e verfasserin  |4 aut 
700 1 |a Yang, Yungang  |e verfasserin  |4 aut 
700 1 |a Wu, Jinzhun  |e verfasserin  |4 aut 
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