RESEARCH ARTICLE


Incidence of Venous Thromboembolism in Patients Undergoing Major Hip Surgeries at a Single Institution: A Prospective Study



Yasuhiro Yamanaka1, *, Hiroshi Ito2
1 Department of Orthopedic Surgery, Sapporo City General Hospital, Sapporo, Japan
2 Department of Orthopedic Surgery, Asahikawa Medical University, Asahikawa, Japan


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© Yamanaka and Ito; Licensee Bentham Open.

open-access license: This is an open access article licensed under the terms of the Creative Commons Attribution-Non-Commercial 4.0 International Public License (CC BY-NC 4.0) (https://creativecommons.org/licenses/by-nc/4.0/legalcode), which permits unrestricted, non-commercial use, distribution and reproduction in any medium, provided the work is properly cited.

* Address correspondence to this author at the Department of Orthopedic Surgery, Sapporo City General Hospital 1-1 North-11 West-13, Chuou-ku, Sapporo, Japan 060-8604; Tel: 81-11-726-2211; Fax: 81-11-726-7912; E-mail: yyamanak@asahikawa-med.ac.jp


Abstract

Background:

Venous thoromboembolism (VTE) is one of the most significant complications after hip surgeries. Many studies have been reported about the incidence of VTE after THA, but a small number of reports were found concerning Periacetabular osteotomy, Revision THA and Surgery for hip fracture postoperatively. Furthermore, there exists no comparative study of the incidence of VTE among major hip surgeries at a single institution. We reported the incidence of VTE among hip surgeries performed at a single institution.

Methods:

A total of 820 Hip surgeries were performed at same institution. The procedures included 420 hips that underwent primary total hip arthroplasties (THA), 91 revision or removal of total hip arthroplasties (Revision THA), 144 periacetabular osteotomy (PAO) and 165 surgery for hip fracture (SHF) between 2006 and 2012. VTE was detected by Multidetector computed tomography (MDCT) that scanned 768 cases and by ultrasound that scanned 52cases postoperative 10-14 days.

Results:

The overall incidence of VTE was 12.2% (100 of 820). The incidence of VTE after THA was 13.1% (55 of 420), Revision THA was 13.2% (12 of 91), PAO was 2.1% (3 of 144) and SHF was 18.1% (30 of 165). The incidence of VTE was significantly higher in SHF than in PAO.

Conclusion:

This data indicates that the incidence of VTE after PAO is significantly lower than SHF and relatively lower than THA and Revision THA. A younger age and non-invasion of the bone marrow of the femur may have affected the result. Prophylaxis therapy was effective especially on SHF.

Keywords: Contrast computed tomography, Periacetabular osteotomy, Prophylaxis therapy, Revision total hip arthroplasty, Surgery for hip fracture, Total hip arthroplasty, Venous thromboembolism.