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[Comparison of clinical effects for three methods in treating comminuted patellar fractures]
1Department of Orthopaedics, Hengbo Hospital of Zigong, Zigong 643000, Sichuan, China.
Objective:
To compare clinical effects of different fixations in order to provide the best therapeutic choice for comminuted patellar fractures.
Methods:
From February 2003 to June 2009, 56 patients with comminuted patellar fractures were treated with three methods of fixation. Of them, 18 patients (group A) were treated with Kirschner-wire with steel wire fixation, there were 9 males and 9 females, ranging in age from 32 to 52 years with an average of (47.62 +/- 4.82) years; 13 patients (group B) with circular silk thread fixation and plaster immobilization, there were 3 males and 10 females,ranging in age from 38 to 65 years with an average of (48.58 +/- 8.28) years; 25 patients (group C) with memory alloy patella holder fixation, there were 9 males and 16 females, ranging in age from 32 to 68 years with an average of (48.36 +/- 9.59) years. According to criteria of Böstman, eight indexes were compared, including the range of motion of the knee, pain, walking and so on.
Results:
All patients were followed up from 8 to 26 months with an average of 15.6 months. All the fractures healed. The Böstman scoring of group A, B, C were respectively 26.00 +/- 4.6, 22.08 +/- 5.31, 26.44 +/- 3.77. The clinical effects of group A and C were better than that of group B (P < 0.05).
Conclusion:
The method of Kirschner-wire with steel wire fixation or memory alloy patella holder fixation can obtain satisfactory effects in treating comminuted patellar fractures because of steady fixation and early function recovery.
