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Adjustable patella grapple versus cannulated screw and cable technique for treatment of transverse patellar fractures
Ning Yan1, Anli Yang2, Xiaodong Liu2
1Orthopedic Department, Shanghai 10th People's Hospital, Tongji University School of Medicine, 301 Middle Yanchang Road, Shanghai, China.
Background:
Although the cannulated screw and cable (CSC) tension band technique is an effective method for fixation of transverse patellar fractures, it has shortcomings, such as extensive soft tissue damage, osseous substance damage, and complex manipulation. We conducted a retrospective comparison of the adjustable patella grapple (APG) technique and the CSC tension band technique.
Patients And Methods:
We retrospectively reviewed 78 patients with transverse patellar fractures (45 in the APG group and 33 in the CSC group). Follow-up was 18 months. Comparison criteria were operation time, fracture reduction, fracture healing time, the knee injury and osteoarthritis outcome score for knee function, and complications.
Results:
The APG group showed shorter operation time and equal fracture reduction, fracture healing time, and knee function compared with the CSC group. Eleven patients in the APG group experienced skin irritation generated by implants. There was no complication in the CSC group.
Conclusions:
The APG technique should be considered as an alternative method for treatment of transverse patellar fractures.
