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Therapeutic effect of Qingkailing and methylprednisolone injection alone or combined on the acute lung injury induced by oleic acid in rabbits / 中国中药杂志
China Journal of Chinese Materia Medica ; (24): 769-773, 2005.
Artículo en Chino | WPRIM | ID: wpr-358112
ABSTRACT
<p><b>OBJECTIVE</b>To investigate the effect of Qingkailing and Methylprednisolone (MP) injection alone or combined on the acute lung injury (ALI) induced by oleic acid in rabbits.</p><p><b>METHOD</b>The rabbits were randomly divided into 11 groups oleic acid group; control group; treatment groups including low, middle and high dosage groups of Qingkailing and MP alone and combined, respectively. ALI model was established by i.v. oleic acid (0.05 mL x kg(-1)) in these groups, and then i.v. above drugs respectively, while in control group, the same volume of normal saline was given. The respiratory amplitude and rate were observed, and blood samples were taken from cervical artery for blood-gas analysis before and at 30, 60, 120 min after oleic acid or normal saline administration. At the end of experiment, the concentration of LDH, CAT and MDA in the lung tissue were measured and pathologic changes of lung tissue were observed microscopically.</p><p><b>RESULT</b>Compared with oleic acid group, the respiratory amplitude markedly enhanced (P < 0.05) and respiratory rate lowered (P < 0.05) in the low, middle and high dose groups of Qingkailing and MP injection. On the 30 min of treatment, PaO2 increased significantly (P < 0.05) in the low and middle dose groups of combined Qingkailing and MP injection; PaCO2 decreased markedly (P < 0.05) on the 120 min of treatment in each treatment group. The level of LDH significantly increased (P < 0.05), CAT and MDA decreased (P < 0.05) in the middle and high groups of Qingkailing and MP injection. The low and middle dose groups of combined Qingkailing and MP injection can alleviate the pathological changes induced by oleic acid.</p><p><b>CONCLUSION</b>The curative effect of the low dose group of combined Qingkailing and MP for the ALI induced by oleic acid was better than Qingkailing and MP alone, while the big dose groups of Qingkailing and MP alone better than the combination at the same dosage.</p>
Asunto(s)
Texto completo: Disponible Índice: WPRIM (Pacífico Occidental) Asunto principal: Patología / Plantas Medicinales / Síndrome de Dificultad Respiratoria / Pruebas de Función Respiratoria / Análisis de los Gases de la Sangre / Metilprednisolona / Medicamentos Herbarios Chinos / Distribución Aleatoria / Química / Ácido Oléico Límite: Animales Idioma: Chino Revista: China Journal of Chinese Materia Medica Año: 2005 Tipo del documento: Artículo

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Texto completo: Disponible Índice: WPRIM (Pacífico Occidental) Asunto principal: Patología / Plantas Medicinales / Síndrome de Dificultad Respiratoria / Pruebas de Función Respiratoria / Análisis de los Gases de la Sangre / Metilprednisolona / Medicamentos Herbarios Chinos / Distribución Aleatoria / Química / Ácido Oléico Límite: Animales Idioma: Chino Revista: China Journal of Chinese Materia Medica Año: 2005 Tipo del documento: Artículo