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Commentary on "Acute patellofemoral pain: aggravating activities, clinical examination, MRI and ultrasound findings"
Karolinska Institutet, Kristianstad, Sweden; j.naslund@mailbox.calypso.net
Acute patellofemoral pain: aggravating activities, clinical examination, MRI and ultrasound findings
| The first 150 words of the full text of this article appear below. |
The authors state that acute patellofemoral pain caused by overuse should be recognised as a true subgroup of patellofemoral pain syndrome (PFPS). The argument for this view is the fact that they find most of the clinical symptoms and signs used diagnosing PFPS also present in this group of patients. However, two symptoms differ; the pain duration is short and the patients do not report pain after sitting for a long time (the movie sign). An important argument against the view taken by the authors is the fact that low validity and reliability is reported from most clinical tests.1 Thats why we must partly rely on the patients history. Diagnosing pain syndromes should benefit from searching for a possible pain mechanism.2 The authors mean that acute patellofemoral pain is an acute inflammatory pain. There is currently no evidence to suggest that longstanding patellofemoral pain shares this pain mechanism. In contrast,
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- Acute patellofemoral pain: aggravating activities, clinical examination, MRI and ultrasound findings
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