PURPOSE: To investigate the protective effects of pentoxifylline against lung injury observed after dorsal scald in aged animals. METHODS: Adult (eight months old) and aged (20 months old) rats were subjected to thermal injury or sham procedure. The six hours post-trauma animals received pentoxifylline and after 24 hours were euthanatized and lung tissue samples collectedted. The bronchoalveolar lavage fluid wa...