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Abstract
BDF is achronic lung diseae that occurs in premalUrl’ in 1’~1I1l” treated with mechanical ventilation.
increased survival of the e’\.teremly low birth weight inhll1ts There are many factors that implicate in the causation of BP[),IS III utero as cytokines and direct causes as mcchanicd vcntilanon,oxygen toxicity and barotraumas.
In BPD every tissue in the lung is af1ected early tht’ morphological changes of BPD COmpr0l11lSe cellular neerosis,oedema and inflammation ,these changes represent an acute stage that is followed by fibroproliferation.
The incidence of BPD is directly proportional toprematurity.it i<. often difficult to designate a precise time [or the clinical C()Urel’ of I3PD ,in usual circumstances at approximately 7 days aticr hirth in all infant being treated for RDS Il~IS not improved ~h c\pl’cted and ventilator support is decreased but SOOI1 Lhereancr .
The aim of this essay is to study the bronchopulmonary dysphasia in the newborn infant , the study will include incidence , path physiology , a etiology , diagnostic criteria , prevention and therapy of BPD.