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Air aspiration after double–contrast knee arthrography: a worthwhile exercise?

Department of Radiology, Coventry and Warwickshire Hospital, Stoney Stanton Road, Coventry CV1 4FH, UK

Correspondence: ^* Address for correspondence: Department of Radiology, Birmingham Accident Hospital, Bath Row, Birmingham B15 1NA, UK.

A prospective study following double-contrast knee arthrography was undertaken to compare pain and discomfort experienced at the conclusion of the procedure and for 7 days afterwards. The patients were divided into two groups. Half had the air aspirated at the end of the examination and the other half did not. Twice as many patients in the aspirated group were totally asymptomatic (48% compared with 22%); however, by 7 days after the procedure the numbers of asymptomatic patients were similar in the two groups (64% and 63%, respectively). Thus our conclusion is that air aspiration after double-contrast knee arthrography does reduce short-term morbidity.

Key Words: Double-contrast knee arthrography • Air aspiration

Received for publication November 1, 1990.

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