Predisposing Factors of Lung Abscess in 8 Years in Department of Surgery in Hospitals of Ahvaz Jundishapour University

Lung abscess is a debilitating disease with high mortality and morbidity that needs medical and surgical treatment with extensive follow up. In this study 82 patients with lung abscess in the Hospitals of Jundishapour medical University of Ahwaz (Imam khomeini– Golestan and Razi) were avaluated in eight years (1374-1381). 62 patients (75.6%) were male and 20 (24,4%) were female. Most patients were in 6th and 7th decade of life. Most were rural (63.4%) and during spring season (84%). Fever and tachycardia were most clinical findings (63%).Difinite diagnosis of the disease in 75 cases had been done by chest x-Ray, CT scan and bronchoscopy.Most predisposing factors in this study were aspiration of gastric contents and oropharyngeal cavity (60%) that frequently happened after general anesthesia and tracheal intubation. Rt lower lobe is the location of most lung abscess in this study (20 cases). Most treatments were medical therapy by antibiotic alone (84%) and those who needed surgery were 14 cases for whom the best procedure was tube thoracostomy.