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Lateral release of the patella: Indications and contraindications

1990; SAGE Publishing; Volume: 18; Issue: 4 Linguagem: Inglês

10.1177/036354659001800405

1552-3365

Patricia A. Kolowich, Lonnie E. Paulos, Thomas Rosenberg, Steve Farnsworth,

Cardiovascular Effects of Exercise

Charts were reviewed on patients at the Salt Lake Knee and Sports Medicine Clinic who had had a lateral release of the patella. Patients were divided into two groups. Group I contained patients who were entirely satisfied with the procedure, and Group II included patients who were complete failures (defined as a need for further surgical procedures). In Group I, 74 patients were included in the subjective followup. Forty of the 74 patients also had an objective followup, including roentgenograms and a physical examination. Group II contained 43 patients. Results indicated that the most predictable criterion for success was a negative passive patellar tilt. Secondary criteria included a medial and lateral patellar glide of two quadrants or less and a normal tubercle-sulcus angle at 90 degrees of flexion. Patients had less predictable results after an isolated lateral release with a positive (greater than 5 degrees) passive patellar tilt and a three quadrant or greater medial and lateral patellar glide or an abnormal tubercle-sulcus angle at 90 degrees of flexion.