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I was interested to read the article by Richardson et al on percutaneous lung biopsy [1]. They discuss variations in practice, and their recommendations include that a chest X-ray be performed 1 h post biopsy.
Our hospital is one of the 6% minority who do not routinely perform a post-biopsy chest X-ray. Our patients have a single CT slice through mid thorax immediately post biopsy and are observed on the ward for 4 h. They are then discharged if stable and if there is a carer at home.
I am not sure why Richardson et al recommend X-ray after 1 h. They themselves state that 88% of pneumothoraces requiring intervention are apparent immediately, the rest after 1 h and "there are no reports in the literature of deaths attributed to delayed pneumothoraces". If a chest X-ray at 1 h detects an asymptomatic pneumothorax, how will the patient management be altered?
In these days of IRMER regulations and the need to justify every radiation exposure, I am not convinced routine post-biopsy chest X-rays pass the test.
Yours etc.,
Radiology Department, Memorial Hospital, Darlington, DL3 6HX
Received for publication September 20, 2002. Accepted for publication October 9, 2002.
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