Purpose: To identify all published data on the chemical, micro-organism and malignant cell contents of ultrasonic scalpel plume, if any, and on any clinical implications of the contents on patients and operating staff. Methods: Searches were conducted aiming to identify all published evidence on the chemical constituents, presence/absence of viable micro-organisms and malignant cells in ultrasonic scalpel plume. Attempts were made to source unpublished industry data. Results: There is evidence from human and in vitro studies of the presence of a range of harmful, and some human carcinogenic, chemicals within ultrasonic plume, mostly at very low concentrations. Any clinical relevance of this has not been studied. There is evidence from experimental studies of the presence of hepatitis virus, human coronavirus and human papillomavirus material within ultrasonic plume. Any clinical effect of this has not been studied. There is conflicting evidence from combined in vitro and mouse model studies of the presence of viable malignant cells within ultrasonic plume. Any clinical relevance of this has also not been studied. Conclusion: Overall, relatively little research into the plume has been published, and further study is required to more clearly delineate any potential risk to patients, surgeons and other theatre staff. Current safety recommendations are discussed.
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