Abstract
While various aspects of the physical examination in pain patients have been validated, the value of screening maneuvers that reproduce a cancer patient's pain on physical examination has been less well defined. The purpose of this prospective case series is to better characterize the role of bedside provocative maneuvers as part of the comprehensive evaluation of cancer pain patients. Fifty consecutive patients referred to an ambulatory cancer pain clinic were evaluated; they described a total of 89 discrete pains. All or much of the pain that brought each patient to medical attention was reproduced by a provocative maneuver in 47 (94%) patients; 79 of 89 (89%) pains were elicited at the bedside. Pains that were not reproducible with any provocative maneuver included paroxysmal spells of pain, neuropathic pain, and steady headache. On the basis of the history, physical examination, and both positive and negative provocative maneuvers, all pains were characterizable as somatic, visceral, neuropathic, or mixed, and a pathophysiological basis for the pain was inferred in 85 of 89 (95%) pains. On the basis of this preliminary report, we conclude that provocative bedside maneuvers are usually able to reproduce a cancer patient's pain. They help to better characterize the pain and identify the pain sensitive structure, and should be a routine part of the comprehensive assessment of cancer pain patients. Further research is needed to validate the diagnostic role of standardized pain-provoking maneuvers in a variety of clinical situations.
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