Journal of Musculoskeletal Trauma

Case Report

Heterotopic Ossification around Patellar Tendon Following Treatment of Patellar Fracture: A Case Report: Sang Jin Lee, Ji Wan Kim, Dong Hyun Lee, Jae Young Lim; J Korean Fract Soc 2013;26(1):73-76. Published online January 31, 2013; DOI: https://doi.org/10.12671/jkfs.2013.26.1.73

Abstract PDF: Heterotopic ossification around the patellar tendon is known to be extremely rare. A 42-year-old man had a transverse fracture of the left patella. Open reduction and tension band wiring were performed. At four weeks, plain radiographs showed an extensive ossification around the patellar tendon and the patient presented limitation of flexion and pain in kneeling position. We just encouraged active and passive ranges of motion exercises and performed one manipulation under anesthesia. At the final follow-up (10 months post-operatively), he was able to flex his knee by 140 degrees. We present a case of heterotopic ossification around the patellar tendon with limitation of knee flexion that was successfully treated with nonoperative treatment.

Original Article

Alteration of the Patella Tendon Length after Intramedullary Nail in Tibial Shaft Fractures: Dong Eun Shin, Ki Shik Nam, Jin Young Bang, Ji Hoon Chang; J Korean Fract Soc 2012;25(4):283-287. Published online October 31, 2012; DOI: https://doi.org/10.12671/jkfs.2012.25.4.283

Abstract PDF: PURPOSE
To compare and analyze length change of patella tendon after intramedullary nailing of tibial shaft fracture using transtendinous approach.
MATERIALS AND METHODS
Thirty-two cases were analyzed from December, 1999 to December, 2005. Insall Salvati ratios were estimated. Severity of initial trauma, duration of nail retension, knee function and pain on change of length of patellar tendon was evaluated.
RESULTS
Mean duration of nail retention was twenty-two months. The shortening of patella tendon was observed in 25 cases (p<0.001). The effect of AO type and the duration of nail retension on the decrease of Insall Salvati ratio was not significant (p>0.05, p=0.778). Lysholom score decrease to 89.5. There was no significant difference between the shortening of patellar tendon length and knee pain (p=0.058).
CONCLUSION
After intramedullary nailing for closed tibia fracture, shortening of patellar tendon length is observed. That is irrelevant to the fracture type and the duration of nail retension. The shortening of patella tendon length may contribute to decreasing of knee function, but it was no significance of knee pain after intramedullary nailing.

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