Does open lung biopsy affect treatment in patients with diffuse pulmonary infiltrates?
The decision to perform open lung biopsy in the evaluation of a diffuse pulmonary infiltrate is based on the probability that this examination will yield specific information that may lead to a change in treatment. The role of this procedure remains controversial and many clinicians are reluctant to allow this invasive procedure without assurances that results will lead to a change in therapy for a significant number. To evaluate the impact of open lung biopsy on diagnosis and treatment of diffuse pulmonary infiltrates, we conducted a retrospective review of 61 patients undergoing this procedure at three university-affiliated hospitals during a recent 7-year period. There were 37 men and 24 women; average age was 57 years. Biopsy yielded a specific diagnosis in 21 (34%) patients and a change in therapy in 33 (54%) patients. A complication developed in 11 (18%) patients, directly related to the biopsy procedure in six (10%). Eight patients died. The immune status in 22 (36%) patients wa
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