A Novel Technique for Conduction Studies of the Infrapatellar Nerve

Wiley - Tập 4 Số 9 - Trang 682-685 - 2012
Jeanna Jeanna, Isabella Isabella, Michal Michal, Zeev Zeev, Diana Diana, Jean‐Jacques Jean‐Jacques

Tóm tắt

ObjectiveTo introduce a noninvasive method for electrodiagnostic evaluation of the infrapatellar nerve (IPN).DesignA prospective cohort study.SettingElectrodiagnostic laboratory, rehabilitation department, Hadassah University Hospital.ParticipantsA total of 38 healthy adults; 57 asymptomatic limbs were studied.MethodsSensory nerve action potential of the IPN was recorded with surface electrodes placed 2.5 cm below the distal pole of the patella and 2 cm medially from the medial border of the patellar tendon. Transcutaneous antidromic electrical stimulation of IPN was applied above the medial femoral condyle and 8‐10 cm proximally from the active surface electrode.ResultsThe sensory nerve action potential mean (n = 38) onset latency was 1.69 ± 0.32 ms. Peak latency was 2.36 ± 0.47 ms, and amplitude was 6.96 ± 3.68 μV.ConclusionsThis article describes a novel and simple technique for IPN conduction electrodiagnostic examination. The method used provides a new tool to evaluate IPN injury in reference to anterior or inferior knee pain with associated sensory deficit.

Tài liệu tham khảo

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Wiley

Tập 4 Số 9

682-685

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