Abstract
Purpose
To document the incidence and analyze the causes of anterior knee pain following closed intramedullary nailing for tibial fractures.
Materials and Methods
Between January 2005 and February 2007, 50 tibial fractures (48 patients) were treated using locked intramedullary nails. We examined the relationship between postoperative anterior knee pain and age, gender distribution, mechanism of injury, cause and type of fracture, method of patellar tendon incision, and position of the nails on radiography. Anterior knee pain was assessed using a visual analogue scale (VAS). Pearson chi-square test was used to assess the incidence of knee pain.
Results
At a mean follow-up period of 16 months (range 13-30 months), 23 cases (46%) had developed anterior knee pain. Knee pain was more common in woman (p=0.000), but there was no statistically significant difference with regard to age, cause or type of fracture, reaming or incision technique. If the knee apex distance was below -30 mm on radiological analysis, there was no statistically significant increase in postoperative knee pain (p=0.000). Nail removal resolved or improved the symptoms in 77% of patients with anterior knee pain.
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