Compression interlocking intramedullary nail system versus dynamic hip screw extramedullary fixation in the repair of Evans V intertrochanteric fractures in the elderly

doi:10.3969/j.issn.2095-4344.2014.40.019

Abstract

Abstract:

BACKGROUND: There are many methods of internal fixation to treat intertrochanteric fractures. Intramedullary or extramedullary fixation remains controversial. As for biomechanics, intramedullary fixation has more advantages compared with extramedullary fixation. Whether intramedullary fixation is better for treatment of Evans V type intertrochanteric fracture in the elderly?

OBJECTIVE: To compare the clinical effects of intramedullary or extramedullary fixation for the treatment of Evans V type intertrochanteric fracture in the elderly.

METHODS: A total of 47 patients with Evans V type intertrochanteric fracture in the elderly from Department of Orthopedics, Shenyang People’s Armed Police Corps Hospital from December 2010 to December 2013 were selected. They were separately subjected to compression interlocking intramedullary nail system and dynamic hip screw system extramedullary fixation.

RESULTS AND CONCLUSION: Patients in the dynamic hip screw group were averagely followed up for 12 months, and those in the compression interlocking intramedullary nail group were averagely followed up for 10 months. Both groups reached bone healing during follow-up. After fixation, average operation time and intraoperative blood loss were less in the dynamic hip screw group than in the interlocking intramedullary nail group (P < 0.05). However, fracture healing time was significantly shorter in the anti-spin intramedullary nail group than in the dynamic hip screw group. Moreover, Harris scores revealed that hip joint function was better in the interlocking intramedullary nail group than in the dynamic hip screw group (P < 0.05). In the extramedullary group, nail loose exit was detected in one case, plate breakage in one case. In the intramedullary group, screw loose was detected in one case. Results suggested that two kinds of fixation for treating intertrochanteric fracture achieved good therapeutic effects. However, for Evans V intertrochanteric fractures in a short period, compression interlocking intramedullary nail fixation can make patients do weight-loading activities earlier before joint replacement, and hip joint function effects are better.

中国组织工程研究杂志出版内容重点：人工关节；骨植入物；脊柱；骨折；内固定；数字化骨科；组织工程

全文链接：

Key words: internal fixators, femoral fractures, hip prosthesis, fractures, bone

CLC Number:

R318

Zhu Yong-chao. Compression interlocking intramedullary nail system versus dynamic hip screw extramedullary fixation in the repair of Evans V intertrochanteric fractures in the elderly[J]. Chinese Journal of Tissue Engineering Research, 2014, 18(40): 6507-6512.

Figures/Tables 2

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