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1.
Zhonghua Jie He He Hu Xi Za Zhi ; 32(5): 335-41, 2009 May.
Artigo em Chinês | MEDLINE | ID: mdl-19799066

RESUMO

OBJECTIVE: To investigate the relationship between clinical features of patients with A/H5N1 infection and their prognosis in mainland China. METHODS: This study included 28 human cases with A/H5N1 infection in mainland China from October 2005 to May 2008. Data were collected and reviewed from hospital medical records and publishied papers. A database was built by EPIDATA 3.02 and statistical analyses were performed with SPSS 13.0. RESULTS: The median age of the 28 cases was 29 years (range 6-62), and 15 were females. Ten patients survived, and 18 died. The typically clinical manifestations of human influenza A/H5N1 infection included fever and lower respiratory infection. The numbers of peripheral white blood cells, lymphocytes and platelets in the survival and non-survival groups were (4.01 +/- 1.86) x 10(9)/L vs (5.1 +/- 2.9) x 10(9)/L, (1.09 +/- 0.49) x 10(9)/L vs (0.98 +/- 0.44) x 10(9)/L, and (116 +/- 39) x 10(9)/L vs (101 +/- 40) x 10(9)/L, respectively; the differences were not statistically significant between the 2 groups (P>0.05). There was also no statistically significant difference in the increased serum enzymes, such as aspartate aminotransferase [(173 +/- 246) U/L vs (272 +/- 263) U/L], lactate dehydrogenase [(1016 +/- 568) U/L vs (1512 +/- 1052) U/L], creatine kinase [(1099 +/- 1590) U/L vs (2534 +/- 4281) U/L] and MB isoenzyme of creatine kinase [(28 +/- 30) U/L vs (125 +/- 197) U/L] (P>0.05) between the survival and the non-survival groups. However, there was a statistically significant difference in the number of patients with an initial LDH level more than 8 fold of the normal value between the survival and the non-survival groups (none vs 6, P<0.05). All of the 28 cases developed bilateral multiple infiltrates and consolidation in chest radiographs. Acute respiratory distress syndrome occurred in 22 cases, 17 of them died. All the 9 patients with acute kidney injury died. Ten patients received antiviral treatment with oseltamivir, and 6 of them survived. There was a statistical difference in the time of initiating oseltamivir treatment between the survival and the non-survival cases [(6.5 +/- 3.0) d vs (11.8 +/- 3.3) d, Z = 3.70, P<0.05]. Broad spectrum antibiotics and corticosteroids were administered in all of the 28 cases. There was no statistical difference between the survival and the non-survival groups regarding to the corticosteroid treatment (P>0.05). CONCLUSIONS: Initial LDH level reaching more than 8 fold of the normal value suggests a poor prognosis for human H5N1 infection. Patients complicated with either ARDS or acute kidney injury had a higher risk of death. Early administration of effective antiviral agents might improve the prognosis and decrease case fatality.


Assuntos
Influenza Humana/epidemiologia , Influenza Humana/terapia , Injúria Renal Aguda/complicações , Adolescente , Adulto , Criança , China/epidemiologia , Feminino , Humanos , Virus da Influenza A Subtipo H5N1 , Influenza Humana/complicações , Influenza Humana/diagnóstico , Influenza Humana/enzimologia , L-Lactato Desidrogenase/análise , Masculino , Pessoa de Meia-Idade , Prognóstico , Síndrome do Desconforto Respiratório/complicações , Resultado do Tratamento , Adulto Jovem
2.
Zhonghua Jie He He Hu Xi Za Zhi ; 29(5): 300-6, 2006 May.
Artigo em Chinês | MEDLINE | ID: mdl-16759484

RESUMO

OBJECTIVE: To describe the clinical, laboratory and radiological presentation of a human case infected by influenza A (H5N1), and to understand its management and prognosis. METHODS: The clinical and autopsy data of the first human case infected by influenza A (H5N1) in Jiangxi Province were collected and analyzed. RESULTS: The first case infected by influenza A (H5N1) in Jiangxi Province was confirmed by laboratory findings with reverse transcription-polymerase chain reaction (RT-PCR) and influenza A (H5N1) isolation. The patient had been healthy in the past and exposed to the environment of bird flu before illness. The initial symptoms included high fever with influenza-like symptoms, and then cough and purulent sputum mixed with blood appeared. The clinical situation deteriorated progressively with occurrence of diarrhea and dyspnea. Laboratory abnormalities included decrease of peripheral white blood cells and lymphocytes, urine protein, dramatic increase of enzymes associated with hepatic injury and myocarditis and decrease of serum albumin. Six days later, penicillin-resistant streptococcus pneumoniae was isolated from multiple sputum cultures. With the deterioration of clinical situation, several other bacteria and fungi were found in sputum culture. Pulmonary infiltrates were evident in right middle and lower lobe at day 5 after illness, and rapidly progressed to involve bilateral lungs as acute respiratory distress syndrome (ARDS)-like changes. The patient was treated with antiviral, antibacterial, and antifungal reagents, and corticosteroids and invasive mechanical ventilation were also administered, but without any improvement. The patient died 27 days after the onset of symptoms and an autopsy was performed. Pathologically, the lungs exhibited diffuse alveolar damage. The lymphocytes in the spleen, the lymph nodes and the tonsils were depleted prominently with histiocytic hyperplasia and hemophagocytic phenomena. Edema and degeneration of myocytes in the heart and extensive acute tubular necrosis in the kidney were observed. CONCLUSION: The prognosis was very poor if influenza A (H5N1) infected human cases was developed as ARDS with multiple organ damage or failure.


Assuntos
Virus da Influenza A Subtipo H5N1/isolamento & purificação , Influenza Humana/diagnóstico , Influenza Humana/virologia , Adulto , China/epidemiologia , Humanos , Influenza Humana/epidemiologia , Masculino , Prognóstico , Síndrome do Desconforto Respiratório/etiologia
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