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Randomized Controlled Trial
. 2013:2013:834825.
doi: 10.1155/2013/834825. Epub 2013 Feb 17.

Internal fixation of intertrochanteric hip fractures: a clinical comparison of two implant designs

Ran Tao  1 , Yue Lu, Hua Xu, Zhen-Yu Zhou, You-Hua Wang, Fan Liu
Affiliations
Randomized Controlled Trial

Internal fixation of intertrochanteric hip fractures: a clinical comparison of two implant designs

Ran Tao et al. ScientificWorldJournal. 2013.

Abstract

Objective: To compare two internal fixation devices clinically in stabilisation of intertrochanteric femur fractures.

Methods: Eighty-seven patients were randomised upon their admission to the hospital using a sealed envelope method. Forty-five were treated with proximal femur nail antirotation (PFNA) and 42 with reverse less invasive stabilisation system (LISS). The perioperative data were recorded and compared in relation to fracture type.

Results: In each type of fractures, no significant differences were found with respect to the blood loss, the quality of reduction, the time to bony healing, and the Harris hip score between the 2 groups. The mean duration of surgery was significantly longer in reverse LISS group than in PFNA group.

Conclusion: Both the PFNA and the reversed LISS are effective in the treatment of different types of intertrochanteric femur fractures. PFNA is superior to reverse LISS in terms of surgical time, weight-bearing, and perhaps fluoroscopy time.

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Figures

Figure 1
Figure 1
Patients with 31 A1 fractures. (a) PFNA: preoperative AP view and immediate postoperative AP view. (b) Reverse LISS: preoperative AP view and immediate postoperative AP view.
Figure 2
Figure 2
Patients with 31 A2 fractures. (A) PFNA (A(a)) Preoperative AP view and lateral view. (A(b)) Immediate postoperative AP view and oblique view. (A(c)) Three months postoperatively. Callus formation can be seen in both AP view and oblique view. (B) Reverse LISS (B(a)) Preoperative AP view. (B(b)) Immediate postoperative AP view and lateral view.
Figure 3
Figure 3
Patients with 31 A3 fractures. (A) PFNA (A(a)) Preoperative AP view and lateral view. (A(b)) Immediate postoperative AP view and lateral view. (A(c)) Six weeks postoperatively. Callus formation can be seen in both AP view and oblique view. (B) Reverse LISS (B(a)) Preoperative AP view and lateral view. (B(b)) Immediate postoperative AP view and lateral view. (B(c)) Six months postoperatively. Reverse LISS successfully maintained the reduction till bony healing.
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References

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