Abstract：
BACKGROUND:Minimally invasive surgical approaches are widely used for total hip arthroplasty (THA). However, potential problems related to a reduced visual field during surgery, such as implant malposition, neurovascular injury, and poor implant fixation, have been reported. In these situations, a shorter stem is easier to insert in the femoral canal. To evaluate the accuracy of shorter stem orientation, we focused on the accuracy of stem orientation especially in short tapered wedge stems and evaluated the contribution factors of stem malalignment during mini-invasive total hip arthroplasty. METHODS:One hundred ten hips that underwent THA with a Summit stem (58 hips) (DePuy, Warsaw, IN) as straight stem and TriLock stem (52 hips) (DePuy) as tapered wedge stem were enrolled in this study. For preoperative and postoperative evaluation, a CT scan of the pelvis and knee joint was obtained and was transferred to 3D template software. We compared the alignment of preoperative plan for stem anteversion/valgus/anterior tilt angles and postoperative stem alignment, and the absolute error was defined as the surgical error. To clarify the factors contributing to the malalignment or surgical error, we evaluated postoperative stem alignment and several associated factors. Further, we compared the clinical parameters between two types of stems for analysis of the influence of stem type differences. RESULTS:The mean absolute value of the alignment error (postoperative stem alignment-preoperative planning alignment) was not changed in the short tapered wedge and straight stems. Sex, age at operation, or original canal anteversion did not affect the accuracy of stem alignment. However, high body mass index (BMI) affected the accuracy of stem alignment. Clinical outcomes were not changed by the difference of stem types. CONCLUSION:The postoperative alignment of short tapered wedge stem was accurate, same as the straight stem during mini-invasive THA, but we need to pay attention when using this in obese patients.
journal_name
J Orthop Surg Resjournal_title
Journal of orthopaedic surgery and researchauthors
Hayashi S,Fujishiro T,Hashimoto S,Kanzaki N,Kuroda R,Kurosaka Mdoi
10.1186/s13018-015-0192-xsubject
Has Abstractpub_date
2015-04-21 00:00:00pages
52issn
1749-799Xpii
10.1186/s13018-015-0192-xjournal_volume
10pub_type
杂志文章abstract：:Pelvic incidence has become one of the most important sagittal parameters in spinal surgery. Despite its great importance, pelvic incidence can vary from 33° to 85° in the normal population. The reasons for this great variability in pelvic incidence remain unexplored. The objective of this article is to present some p...
journal_title：Journal of orthopaedic surgery and research
pub_type： 杂志文章,评审
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更新日期：2018-03-20 00:00:00
abstract：BACKGROUND:Attempts have been made to validate the significance of remnant preservation with anterior cruciate ligament (ACL) reconstruction using immunohistochemical and immunocytochemical techniques. The purpose of this study was to examine the expression of mechanoreceptors in the remnant tissue of ACL reconstructio...
journal_title：Journal of orthopaedic surgery and research
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doi：10.1186/s13018-017-0593-0
更新日期：2017-06-14 00:00:00
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journal_title：Journal of orthopaedic surgery and research
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doi：10.1186/s13018-017-0695-8
更新日期：2017-12-13 00:00:00
abstract：: The treatment of an above knee amputee who has sustained a fracture of femoral neck is a challenge for both the orthopaedic surgeon and the rehabilitation team. We present a case of such a patient and discuss different difficulties in his treatment. ...
journal_title：Journal of orthopaedic surgery and research
pub_type： 杂志文章
doi：10.1186/1749-799X-4-30
更新日期：2009-07-31 00:00:00
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journal_title：Journal of orthopaedic surgery and research
pub_type： 杂志文章
doi：10.1186/s13018-020-01981-3
更新日期：2020-10-19 00:00:00
abstract：BACKGROUND:Flap transplantation is often needed for soft tissue defects of the fingers that cannot be closed directly. Sensory reconstruction of the fingers is important for patients to recover feelings. In this study, we report clinical outcomes of using free neurovascular transverse wrist crease flap for repairing fi...
journal_title：Journal of orthopaedic surgery and research
pub_type： 杂志文章,多中心研究
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更新日期：2019-11-14 00:00:00
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journal_title：Journal of orthopaedic surgery and research
pub_type： 杂志文章
doi：10.1186/s13018-018-0801-6
更新日期：2018-05-03 00:00:00
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journal_title：Journal of orthopaedic surgery and research
pub_type： 杂志文章,评审
doi：10.1186/1749-799X-6-36
更新日期：2011-07-18 00:00:00
abstract：BACKGROUND:Cervical sagittal parameters were closely related with clinical outcomes after multi-level ACDF. Our purpose was to evaluate the clinical outcomes and cervical sagittal parameters in patients with MCSM after ACDF and to identify the risk factors of poor clinical outcomes. MATERIAL AND METHODS:ACDF was perfo...
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journal_title：Journal of orthopaedic surgery and research
pub_type： 杂志文章,meta分析
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journal_title：Journal of orthopaedic surgery and research
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doi：10.1186/s13018-017-0537-8
更新日期：2017-02-23 00:00:00
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pub_type： 杂志文章
doi：10.1186/s13018-015-0324-3
更新日期：2015-11-17 00:00:00
abstract：BACKGROUND:Hip osteoarthritis (HOA) is the most common hip disorder and a major cause of disability in the adult population, with an estimated prevalence of end-stage disease and total hip replacement. Thus, the diagnosis, prevention, and treatment of the early stages of the disease in young adults are crucial to reduc...
journal_title：Journal of orthopaedic surgery and research
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doi：10.1186/s13018-020-01610-z
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abstract：BACKGROUND:The shape of the patella has been considered to be a predisposing factor resulting in patellar instability, but the effects of abnormal patella position during its development are unclear. The present study evaluated patellar morphological changes after patella instability and evaluated the influence of pate...
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pub_type： 杂志文章
doi：10.1186/s13018-017-0615-y
更新日期：2017-07-11 00:00:00
abstract：BACKGROUND:Bone marrow mesenchymal stem cells (BMMSCs) can be used for bone regeneration in the specified condition. Osteogenic differentiation of BMMSCs is controlled by microRNAs (miRNAs) and other factors. This study was aimed to identify the role and mechanism of miR-889 in regulating the osteogenic differentiation...
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pub_type： 杂志文章
doi：10.1186/s13018-019-1399-z
更新日期：2019-11-14 00:00:00
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journal_title：Journal of orthopaedic surgery and research
pub_type： 杂志文章,评审
doi：10.1186/s13018-020-01823-2
更新日期：2020-08-05 00:00:00
abstract：BACKGROUND:The aim of this research is to analyze the influence of Modic types on the clinical results of cervical spondylotic myelopathy treated by anterior cervical diskectomy and fusion. METHODS:A total of 106 patients with a mean age of 55.8 ± 6.5 years were included in this study. Patients with Modic changes were...
journal_title：Journal of orthopaedic surgery and research
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journal_title：Journal of orthopaedic surgery and research
pub_type： 杂志文章,meta分析,评审
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journal_title：Journal of orthopaedic surgery and research
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更新日期：2013-06-07 00:00:00
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journal_title：Journal of orthopaedic surgery and research
pub_type： 杂志文章,评审
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更新日期：2016-09-16 00:00:00
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journal_title：Journal of orthopaedic surgery and research
pub_type： 杂志文章
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更新日期：2021-01-07 00:00:00
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journal_title：Journal of orthopaedic surgery and research
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doi：10.1186/s13018-018-0911-1
更新日期：2018-08-22 00:00:00
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journal_title：Journal of orthopaedic surgery and research
pub_type： 杂志文章,多中心研究
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更新日期：2019-01-11 00:00:00
abstract：BACKGROUND:Core decompression (CD) is an important method for the treatment of osteonecrosis of the femoral head (ONFH). Few articles investigate the influence of core decompression on outcomes of ONFH. This study was carried out to observe the safety and effectiveness of core decompression in the treatment of ONFH. M...
journal_title：Journal of orthopaedic surgery and research
pub_type： 杂志文章,meta分析
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更新日期：2019-09-11 00:00:00
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journal_title：Journal of orthopaedic surgery and research
pub_type： 杂志文章
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更新日期：2011-05-21 00:00:00
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journal_title：Journal of orthopaedic surgery and research
pub_type： 杂志文章
doi：10.1186/s13018-015-0175-y
更新日期：2015-03-25 00:00:00
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journal_title：Journal of orthopaedic surgery and research
pub_type： 杂志文章
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更新日期：2019-09-18 00:00:00
abstract：: Olecranon fractures are a common injury in fractures. The tension band technique for olecranon fractures yields good clinical outcomes; however, it is associated with significant complications. In many patients, implants irritate overlying soft tissues and cause pain. This is mostly due to protrusion of the proximal ...
journal_title：Journal of orthopaedic surgery and research
pub_type： 杂志文章
doi：10.1186/1749-799X-5-73
更新日期：2010-10-12 00:00:00
