Clinical Examination of Plantar Plate Abnormality

NewsBot · Jan 18, 2013

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Clinical Examination of Plantar Plate Abnormality
A Diagnostic Perspective
Erin E. Klein, Lowell Weil Jr, Lowell Scott Weil Sr, Michael J. Coughlin, Jessica Knight
Foot & Ankle International January 14, 2013

Background: Plantar plate tears can cause pain and deformity in the forefoot but are frequently missed on initial examination. The purpose of this article was to evaluate the diagnostic statistics of common clinical examination parameters using observed intraoperative abnormality as the referenced standard.

Methods: Medical records of 90 patients (109 feet) who underwent a plantar plate repair were reviewed for the presence and onset of pain, plantar edema, instability of the second metatarsophalangeal (MTP) joint (drawer sign), pain with range of motion of the lesser MTP joint, first MTP joint range of motion, crossover toes, previous first ray surgery, and previous corticosteroid injections. Clinical examination findings were compared with intraoperative findings. Diagnostic statistics were calculated.

Results: Parameters with a high sensitivity (greater than 80%) were gradual onset of pain (93%), previous first ray surgery (100%), pain at the second metatarsal head (98%), edema at the second metatarsal head (95.8%), and a positive drawer sign (80.6%). High specificity (greater than 80%) was found for a positive drawer test (99.8%) and crossover toes (88.9%). Parameters with odds ratios greater than 1 were gradual onset of pain (1.104), pain at the second metatarsal head (6.125), edema at the second metatarsal head (2.875), and a positive drawer sign (1.389).

Conclusion: Ninety-five percent of patients with a plantar plate tear presented with a gradual onset of forefoot pain, edema, and a positive drawer sign. A comprehensive clinical examination can heighten the suspicion for plantar plate tears when the data are interpreted correctly.
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Admin2 · Jan 18, 2013

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mike weber · Jan 18, 2013

full text

Clinical Examination of Plantar Plate
Abnormality: A Diagnostic Perspective

and not linked by admin 2 Plantar Plate Anatomy re Plantar plate tear

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