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Journal of Hand Surgery (British and European Volume)
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The Two-Point Discrimination Test – Time For a Re-Appraisal?

G. LUNDBORG
B. ROSÉN

From the Department of Hand Surgery, Malmö University Hospital, Malmö, Sweden

Correspondence: Prof. Gran Lundborg, Department of Hand Surgery, Malm University Hospital, SE-205 02 Malm, Sweden Tel.: +1-40-33-17-21; fax: +1-40-92-88-55; E-mail: goran.lundborg{at}hand.-mas.lu.se

The two-point discrimination (2PD) test is the most frequently used test for the assessment of the sensory outcome after nerve repair. Here we focus on factors which explain the enormous and implausible variability in reported 2PD levels after nerve repair. We conclude that the 2PD testing technique is not at all standardized and that its use as the sole test for tactile gnosis recovery should be seriously questioned. Reports of 2PD results should always be accompanied by a detailed description of how the test was performed, especially with reference to the pressure applied and the testing protocol.

Key Words: nerve repair • tactile discrimination • 2PD • assessment

Journal of Hand Surgery (British and European Volume), Vol. 29, No. 5, 418-422 (2004)
DOI: 10.1016/J.JHSB.2004.02.008
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