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Decreases in meniscal thickness after partial meniscectomy demonstrate no additional adverse effects
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Compared with conventional partial meniscectomy preserving whole meniscal thickness, no additional adverse effects were found with decreases in meniscal thickness after partial meniscectomy for horizontal tear on functional and radiographic outcomes, despite narrowing of the joint space, according to study results.
Researchers retrospectively divided 312 patients who underwent medial meniscectomy into one of three groups: patients with partial meniscectomy with vertical resection (group A), patients with partial meniscectomy with horizontal resection (group B) and patients with subtotal meniscectomy (group C). Lysholm knee scoring scale, IKDC subjective knee evaluation form, and Tapper and Hoover grading system were used to evaluate clinical function, whereas the IKDC radiographic assessment scale and measurements of the medial compartment height at the tibiofemoral joint were used for radiologic evaluation.
Lysholm knee score, IKDC subjective score, and the Tapper and Hoover grading system showed group C had inferior functional outcomes vs. groups A and B. Results also showed no significant differences in scores between groups A and B.
Patients in group C had worse IKDC radiographic grade vs. groups A and B, with no significant differences between A and B, according to the researchers. However, the study results also showed group A had a higher postoperative joint space on the affected side compared with group B, and group B had a higher joint space vs. group C. – by Casey Tingle
Disclosure: The researchers report no relevant financial disclosures.
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