3.感染性休克和全身性炎症反应综合征小儿感染性休克时可因心肌麻痹、肺血管痉挛、全身炎症反应时毒素刺激等，导致肺部严重损伤和呼吸功能障碍。
O O B-dis I-dis I-dis I-dis I-dis O B-dis I-dis I-dis I-dis I-dis I-dis I-dis I-dis I-dis I-dis O O B-dis I-dis I-dis I-dis I-dis O O O B-dis I-dis I-dis I-dis O B-dis I-dis I-dis I-dis I-dis O B-dis I-dis I-dis I-dis O O O O O O O O O O O B-dis I-dis I-dis I-dis I-dis I-dis O B-dis I-dis I-dis I-dis I-dis I-dis O