Função pulmonar de crianças e adolescentes infectados pelo virus da imunodeficiencia humana com pneumonia intersticial

AUTOR(ES)
DATA DE PUBLICAÇÃO

2005

RESUMO

BACKGROUND: Pulmonary compromise is observed in as much as 80% of human immunodeficiency virus (HIV)-infected children. Such compromise may be due to recurrent lung infections or specifically related to HIV, composing the pulmonary lymphoid hyperplasia / lymphoid interstitial pneumonitis (PLH/LIP) complex. This study aimed to evaluate physiological, clinical and immunological features in HIV-infected children with chronic Interstitial Pneumonitis (IP). METHODS: 27 HIV-infected children, 9 with biopsy-proven IP (4 LIP, 3 HPL and 2 nonspecific IP) and 18 controls (median ages, 10.3y vs 10.6y) were enrolled. Both groups underwent lung function testing by spirometry and pulse oxymetry, clinical and immune assessment by CDC standards, and growth assessment. Statistical analysis was done by Mann-Whitney, Student s "t" Test, Chi-Square or Fisher s exact test (significance level, p <0.05). RESULTS: Children with IP showed significantly lower values of FEV1 (mean of 82.44%; p = 0.04), FEV1/VC ratio (mean of 85.72%; p = 0.02), FEF25-75% (mean of 79.11%; p = 0.01) , FEF25-75%/VC ratio (mean of 0.81%; p = 0.01), FEF50% (mean of 71.22%; p = 0.02) and FEF75% (55.44%; p = 0.009). IP children were more likely to be in CDC clinical category C (7 vs 0; p <0.001), to have low weight for age (percetile with median of 2; p=0.007), low height for age (percentile with median of 2; p=0.005) and higher values of viral load (median of 7.330 copies/dL; p=0.009). The retrospective analysis of IP children features showed significantly lower values of CD4+ T-cell count (median of 0.23; p = 0.007), lower CD4/CD8 ratios (median of 0.28; p = 0.007), higher IgG levels (median of 3.090mg/dL; p = 0.03) and HIV-1 viral load (median of 115.500; p=0.04), a higher number of antiretroviral schemes (median of 5; p <0.001) and more hospital admissions (median of 3; p <0.001). CONCLUSION: In the study population, children with chronic IP showed a pattern of obstructive large and small airways disease, and higher severity of AIDS, according to clinical, immunological and virological markers

ASSUNTO(S)

testes funcionais dos pulmões pneumopatias adolescentes aid sindrome da imunodeficiencia adquirida doenças pulmonares espirometria

ACESSO AO ARTIGO

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