Articles

The chitosan/tri-calcium phosphate bio-composite bone cement promotes better osteo-integration: an in vitro and in vivo study

Polymethylmethacrylate bone cement has a variety of applications in orthopedic surgery, but it also has some shortcomings such as high heat generation during polymerization and poor integration with bone tissu...

Authors: Chih-Hsiang Fang, Yi-Wen Lin, Jui-Sheng Sun and Feng-Huei Lin

Analyses of effect factors associated with the postoperative dissatisfaction of patients undergoing open-door laminoplasty for cervical OPLL: a retrospective cohort study

This study aimed to investigate the effect factors associated with the postoperative dissatisfaction of patients undergoing open-door laminoplasty for cervical OPLL.

Authors: Sen Liu, Si-Dong Yang, Xi-Wen Fan, Da-Long Yang, Lei Ma, Jia-Yuan Sun and Wen-Yuan Ding

Radiological exploration on adjacent segments after total cervical disc replacement with Prodisc-C prosthesis

The relationship between upper or lower adjacent segments (UAS/LAS) and the cervical spine parameters was not clear yet. So, the purpose was to analyze range of motion (ROM), lordosis (LOR), and intervertebral...

Authors: Shuai Xu, Yan Liang, Fanqi Meng, Kaifeng Wang and Haiying Liu

The role of arthroscopic release of gluteal muscle contracture in improving patellofemoral instability

Gluteal muscle contracture (GMC) is a notable problem in some developing countries and includes features such as a snapping sound of the hip, abnormal gait, and unusual posture when patients squat with the kne...

Authors: Jing Biao Huang, Heng’an Ge, Ying Lei Zhang, Cen Tao Liu, Chao Xue, Yi Chao Chen, Peng Wu and Biao Cheng

Identify differential gene expressions in fatty infiltration process in rotator cuff

Rotator cuff tears are one of the most frequent upper extremity injuries and lead to pain and disability. Recent studies have implicated fatty infiltration in rotator cuff is a key failure element with the hig...

Authors: Pengfei Hu, Lifeng Jiang and Lidong Wu

When deadman theory meets footprint decortication: a suture anchor biomechanical study

The optimal insertion angle for suture anchor insertion has long been of great interest. Although greater tuberosity decortication is commonly performed during rotator cuff repair, the effect of decortication ...

Authors: Chih-Kai Hong, Kai-Lan Hsu, Fa-Chuan Kuan, Ping-Hui Wang, Che-Chia Hsu, Ming-Long Yeh and Wei-Ren Su

Prospective 5-year study with 96 short curved Fitmore™ hip stems shows a high incidence of cortical hypertrophy with no clinical relevance

An increased occurrence of cortical hypertrophy (CH) was observed 1–2 years after implanting short curved Fitmore hip stems. There are no published data about either the clinical relevance or the progression o...

Authors: Caroline Thalmann, Patricia Kempter, Karl Stoffel, Thea Ziswiler and Arno Frigg

Arthroscopically assisted reduction and internal fixation (ARIF) versus open reduction and internal fixation (ORIF) for lateral tibial plateau fractures: a comparative retrospective study

This study aims to explore if the arthroscopically assisted reduction and internal fixation (ARIF) technique is superior to the traditional open reduction and internal fixation (ORIF) technique in the treatmen...

Authors: Marco Verona, Giuseppe Marongiu, Gaia Cardoni, Nicola Piras, Luca Frigau and Antonio Capone

The 10-year outcomes of the ASR XL Acetabular System: a single-center experience from China

The revision rate of articular surface replacement (ASR) implants continues to rise in China because of metal debris. However, there are few reports on the clinical results of ASR implants with prolonged follo...

Authors: Guojun Jin, Jisheng Ran, Weiping Chen, Yan Xiong, Jiapeng Bao and Lidong Wu

Efficiency of platelet-rich plasma therapy in knee osteoarthritis does not depend on level of cartilage damage

Osteoarthritis of the knee is common and often leads to significant physical disability. While classic conservative therapeutic approaches aim for symptoms like pain and inflammation, procedures like the intra...

Authors: Rene Burchard, Hanno Huflage, Christian Soost, Oliver Richter, Bertil Bouillon and Jan Adriaan Graw

Efficacy of magnetic resonance imaging with an SPGR sequence for the early evaluation of knee cartilage degeneration and the relationship between cartilage and other tissues

The aim of this study was to investigate the efficacy of magnetic resonance imaging (MRI) with a spoiled gradient-recalled (SPGR) sequence to evaluate early knee cartilage degeneration and the relationship bet...

Authors: Xin Yang, Zhuoyang Li, Yongping Cao, Yufeng Xu, He Wang, Licheng Wen, Zhichao Meng, Heng Liu, Rui Wang and Xiang Li

The 2018 new definition of periprosthetic joint infection improves the diagnostic efficiency in the Chinese population

Periprosthetic joint infection (PJI) is a devastating complication following total joint arthroplasty (TJA). Now, the definition of PJI traditionally used in clinical practice was set out by the International ...

Authors: Haitao Guan, Jun Fu, Xiang Li, Wei Chai, Libo Hao, Rui Li, Jing Zhao and Jiying Chen

Comparison of outcomes and analysis of risk factors for non-union in locked plating of closed periprosthetic and non-periprosthetic distal femoral fractures in a retrospective cohort study

The primary aim was to compare the outcomes of locked plating of closed distal femur periprosthetic and non-periprosthetic fractures by testing the hypothesis that outcomes would be worse in the periprosthetic...

Authors: James Karam, Paul Campbell, Michael David and Michael Hunter

Endoscopic carpal tunnel release surgery: a case study in Vietnam

This study aims at investigating the outcome and electrophysiologic recovery of 150 carpal tunnel syndrome hands after single-portal endoscopic surgery.

Authors: Dung Tran Trung, Thanh Ma Ngoc, Du Hoang Gia, Son Dinh Ngoc, Son Le Manh, Toan Duong Dinh, Thanh Dao Xuan, Minh Do Van and Long Nguyen Hoang

Sagittal reconstruction of lumbosacral contiguous double-level spondylolytic spondylolisthesis: a comparison of double-level and single-level transforaminal lumbar interbody fusion

Contiguous double-level lumbar spondylolytic spondylolisthesis is an extremely rare condition. There is a paucity of data of lumbosacral deformity and sagittal spino-pelvic malalignment among these patients. M...

Authors: Chang-zhi Du, Song Li, Liang Xu, Qing-shuang Zhou, Ze-zhang Zhu, Xu Sun and Yong Qiu

Application of fracture-sustaining reduction frame in closed reduction of femoral shaft fracture

This study aims to explore the clinical efficacy of applying a new reduction brace in the closed reduction of femoral shaft fracture.

Authors: Yan Gao, Ning-Ning Qiao, Yong-Hong Zhang, Xin Lv and Jin-Yuan Liu

Concentrated growth factor promotes proliferation, osteogenic differentiation, and angiogenic potential of rabbit periosteum-derived cells in vitro

The aim of this research is to investigate the effects of concentrated growth factor (CGF) on the proliferation, osteogenic differentiation, and angiogenic potential of rabbit periosteum-derived cells (PDCs) i...

Authors: Lili Zhang and Hongjun Ai

Iliopsoas tendonitis following total hip replacement in highly dysplastic hips: a retrospective study

As a recognized cause of groin pain following total hip arthroplasty, iliopsoas tendonitis probably results from different factors. Given the anatomic disadvantage, dysplastic hips theoretically make acetabula...

Authors: Junfeng Zhu, Yang Li, Kangming Chen, Fei Xiao, Chao Shen, Jianping Peng and Xiaodong Chen

Letter to the Editors: Comparing surgical interventions for intertrochanteric hip fracture by blood loss and operation time: a network meta-analysis

Authors: Peng Luo, Ding Xu and Wei Jun Guo

Clinical outcomes in distal radial fractures with ipsilateral arteriovenous fistulas

We evaluated the effects on arteriovenous fistula (AVF) function and clinical outcomes in patients given cast fixation, external skeletal fixation [ESF], or volar locking plate fixation [VLPF] for an ipsilater...

Authors: Hao-Ming Chang, Yi-Chuan Chou, I-Ming Jou, Jui-Ming Yang, Ching-Hou Ma and Po-Ting Wu

Response to review article published titled ‘Total ankle arthroplasty versus ankle arthrodesis - a comparison of outcomes over the last decade’

We write in response to Lawton et al.’s (J Orthop Surg Res 12:76, 2017) important systematic review comparing the outcomes of total ankle replacement (TAR) and ankle arthrodesis (AA) after reviewing the existi...

Authors: Hasan R. Mohammad, Will Debrock, Stephen J. Mellon and Paul Cooke

Patient-specific drill template for C2 transoral pedicle insertion in complete reduction of atlantoaxial dislocation: cadaveric efficacy and accuracy assessments

The transoral atlantoaxial reduction plate (TARP) is an effective advance in the treatment of atlantoaxial dislocation (AAD) and can enable the performance of anterior atlantoaxial release, reduction, decompre...

Authors: Lijun Lin, Meisong Zhu, Peng Peng, Xintao Zhang, Xiaoqi Zhou and Jianyi Li

Feasibility of T1rho and T2 map magnetic resonance imaging for evaluating graft maturation after anatomic double-bundle anterior cruciate ligament reconstruction

Although T1rho and T2 map magnetic resonance imaging (MRI) have been perceived as useful diagnostic modalities for cartilage degeneration, no studies have assessed whether these two sequences are useful for mo...

Authors: Yasuo Niki, Takayuki Yasuoka, Shu Kobayashi, Kengo Harato, Takeo Nagura, Shigeo Okuda and Masahiro Jinzaki

Long-term results of total knee arthroplasty with single-radius versus multi-radius posterior-stabilized prostheses

Single-radius (SR) prostheses and multi-radius (MR) prostheses have different theoretical advantages; however, there has been a paucity of evaluations comparing the two. This study was designed to compare the ...

Authors: Zhenyu Luo, Zeyu Luo, Haoyang Wang, Qiang Xiao, Fuxing Pei and Zongke Zhou

Inhibition of both endplate nutritional pathways results in intervertebral disc degeneration in a goat model

The vertebral endplate route was demonstrated to be the main pathway for nutrition to the intervertebral disc. However, it is still a controversial issue on whether the blocking of the endplate nutritional pat...

Authors: Si Yin, Heng Du, Weigong Zhao, Shaohui Ma, Ming Zhang, Min Guan and Miao Liu

Comparison of loss of correction between PSO and VCD technique in treating thoracolumbar kyphosis secondary to ankylosing spondylitis, a minimum 2 years follow-up

Pedicle subtraction osteotomy (PSO) and vertebral column decancellation (VCD) are frequently used methods for correction of thoracolumbar kyphosis resulting from ankylosing spondylitis (AS). However, there are...

Authors: Yao Wang, Chao Xue, Kai Song, Tianhao Wang, Wenhao Hu, Fanqi Hu, Yongyu Hao, Zhifa Zhang, Chunguo Wang, Xiaoxi Yang, Tianqi Fan, Guoquan Zheng, Zheng Wang, Yan Wang and Xuesong Zhang

A preliminary study of the novel antibiotic-loaded cement computer-aided design-articulating spacer for the treatment of periprosthetic knee infection

In comparison to static spacers, articulating spacers have been shown to result in a similar infection eradication rate in two-stage revision of periprosthetic knee infections. However, the optimal construct f...

Authors: Chun-Hao Tsai, Horng-Chaung Hsu, Hui-Yi Chen, Yi-Chin Fong, Mao-Wang Ho, Chia-Huei Chou, Yi-Wen Chen, Ming-You Shie and Tsung-Li Lin

Biomechanical study of proximal adjacent segment degeneration after posterior lumbar interbody fusion and fixation: a finite element analysis

To investigate the biomechanical changes in the proximal adjacent segment with different grades of degeneration after posterior lumbar interbody fusion (PLIF).

Authors: Shuai Jiang and Weishi Li

The effect of varus knee deformities on the ankle alignment in patients with knee osteoarthritis

We evaluated the compensatory change in ankle alignment due to knee malalignment and its relationship with varus knee deformities, as well as sex differences in compensation.

Authors: Kai Xie, Xuequan Han, Xu Jiang, Songtao Ai, Kerong Dai, Zhifeng Yu, Haishan Wu, Xinhua Qu and Mengning Yan

Plasma fibrinogen may predict persistent infection before reimplantation in two-stage exchange arthroplasty for periprosthetic hip infection

The diagnosis of persistent infection before reimplantation in two-stage exchange arthroplasty for periprosthetic joint infection (PJI) remains challenging. Currently, several studies suggested coagulation-rel...

Authors: Chi Xu, Peng-Fei Qu, Wei Chai, Rui Li and Ji-Ying Chen

Biomechanical analysis of a novel plating for intra-articular distal humerus fractures: combined anteromedial and anterolateral plating

The traditional strategy for fixing intra-articular distal humerus fractures is double plating placed in an orthogonal or parallel configuration, based on posterior approach. With a combined medial and lateral...

Authors: Libiao Wei, Ming Ling and Zhiquan An

Biomechanical role of osteoporosis affects the incidence of adjacent segment disease after percutaneous transforaminal endoscopic discectomy

Variation in the biomechanical characteristics of intervertebral discs adjacent to the segment disc after undergoing percutaneous transforaminal endoscopic discectomy (PTED) in models with normal and abnormal ...

Authors: Jingchi Li, Wenqiang Xu, Xiaoyu Zhang, Zhipeng Xi and Lin Xie

Factors associated with pain in nonsurgically treated rotator cuff tears -A study with magnetic resonance imaging

In rotator cuff tears, some cases become asymptomatic with nonsurgical treatment, others remain symptomatic. The purpose of this study was to identify factors associated with pain in nonsurgically treated rota...

Authors: Yoshihiro Nakamura, Shin Yokoya, Yohei Harada, Mitsuo Ochi and Nobuo Adachi

Ageing characteristics of bone indicated by transcriptomic and exosomal proteomic analysis of cortical bone cells

Degenerative changes in the skeleton play an important role in ageing. As the foremost sensors and orchestrators of bone remodelling, osteocytes contribute significantly to the health of the skeleton. Embedded...

Authors: Chenyang Zhang, Shuyu Xu, Shufan Zhang, Mengmeng Liu, Haiming Du, Ruinan Sun, Bo Jing and Yao Sun

Differences in bone mineral density of trajectory between lumbar cortical and traditional pedicle screws

Cortical bone trajectory (CBT) has been well-known in spine surgery for obtaining improved fixation while minimizing soft tissue dissection. This study was designed to compare the bone mineral density (BMD) be...

Authors: Renjie Zhang, Hai Gao, Huimin Li, Tao Xing, Chongyu Jia, Jianxiang Zhang, Fulong Dong and Cailiang Shen

Characteristics and correlation analysis of spino-pelvic sagittal parameters in elderly patients with lumbar degenerative disease

Retrospective analysis of the characteristics and correlation of spino-pelvic sagittal parameters in elderly patients with lumbar degenerative disease.

Authors: Qiang Wang and Chang-Tai Sun

Evaluation of anatomical pelvic parameters between normal, healthy men and women using three-dimensional computed tomography: a cross-sectional study of sex-specific and age-specific differences

Sagittal spinal balance and standing posture are affected by pelvic morphology, especially pelvic incidence (PI). However, it is not difficult to identify the hip center because of overlap of the pelvis, image...

Authors: Norio Imai, Hayato Suzuki, Asami Nozaki, Dai Miyasaka, Kazuki Tsuchiya, Tomoyuki Ito, Izumi Minato and Naoto Endo

Overexpression of chaperonin containing T-complex polypeptide subunit zeta 2 (CCT6b) suppresses the functions of active fibroblasts in a rat model of joint contracture

Joint contracture is a fibrous disease characterized as joint capsule fibrosis that results in joint dysfunction and disability. The purpose of this study was to analyze the biological activities of chaperonin...

Authors: Xiaoyou Yi, Zhe Wang, Jianhua Ren, Ze Zhuang, Kaihua Liu, Kun Wang and Ronghan He

Reduction and functional outcome of open reduction plate fixation versus minimally invasive reduction with percutaneous screw fixation for displaced calcaneus fracture: a retrospective study

Minimally invasive surgery has become popular because of the lower incidence of wound complications. However, achieving an anatomic reduction that provides a satisfactory outcome is difficult using minimally i...

Authors: Ye Peng, Jianheng Liu, Gongzi Zhang, Xinran Ji, Wei Zhang, Lihai Zhang and Peifu Tang

Incidence and radiological pattern of eosinophilic granuloma: a retrospective study in a Chinese tertiary hospital

The incidence and radiological patterns of eosinophilic granuloma (EG) in China is not clear. We described the incidence, presentation, and imaging characteristics of Chinese EG patients in a tertiary hospital.

Authors: Sha-Sha Zhao, Lin-Feng Yan, Xiu-Long Feng, Pang Du, Bao-Ying Chen, Wen-Ting Dong, Yi Gao, Jie-Bing He, Guang-Bin Cui and Wen Wang

Biomechanical comparison of posterior intermediate screw fixation techniques with hybrid monoaxial and polyaxial pedicle screws in the treatment of thoracolumbar burst fracture: a finite element study

To compare the biomechanical characteristics of different posterior intermediate screw fixation techniques (ISFTs) with hybrid monoaxial pedicle screws (Mps) and polyaxial pedicle screws (Pps) used in thoracol...

Authors: Huan Liu, Hongwei Wang, Jun Liu, Changqing Li, Yue Zhou and Liangbi Xiang

Evaluation of results after distal metatarsal osteotomy by minimal invasive surgery for the treatment of metatarsalgia: patient and anatomical pieces study

Metatarsalgia of the lesser toes is a common cause of consultation in the podiatric clinic. However, there continues to be a controversy with respect to which is the best surgical technique, and there is few i...

Authors: Miguel Lopez-Vigil, Santos Suarez-Garnacho, Vanesa Martín, Carmen Naranjo-Ruiz and Carmen Rodriguez

Supramalleolar osteotomy with medial distraction arthroplasty for ankle osteoarthritis with talar tilt

An increased preoperative talar tilt (TT) angle was reported to be positively correlated with treatment failure after supramalleolar osteotomy (SMOT) for varus ankle osteoarthritis. Distraction arthroplasty wa...

Authors: Hong-Mou Zhao, Xiao-Dong Wen, Yan Zhang, Jing-Qi Liang, Pei-Long Liu, Yi Li, Jun Lu and Xiao-Jun Liang

Endoscopic transnasal anterior release and posterior reduction without odontoidectomy for irreducible atlantoaxial dislocation

To investigate the efficacy and safety of endoscopic transnasal anterior release and posterior reduction without odontoidectomy to treat irreducible atlantoaxial dislocation (IAAD).

Authors: Xiangsheng Tang, Xinjie Wu, Mingsheng Tan, Ping Yi, Feng Yang and Qingying Hao

miR-21-5p protects IL-1β-induced human chondrocytes from degradation

Osteoarthritis (OA) is a prevalent degenerative disease caused by various factors. MicroRNAs are important regulators in OA. MiR-21-5p expression is decreased in OA cartilage, but the effects of modulating miR...

Authors: Hai Zhu, Xin Yan, Meng Zhang, Feng Ji and Shouguo Wang

Radiographic and histologic effects of bone morphogenetic protein-2/hydroxyapatite within bioabsorbable magnesium screws in a rabbit model

Hydrogen gas formed by magnesium (Mg) screw corrosion can accumulate around the implant and create bone cysts, long-term osteolysis lesions, and bone healing delay. Thus, several authors currently do not recom...

Authors: Le Hoang Nam Dang, Yu Kyoung Kim, Seo Young Kim, Kuk Jin Lim, Ken Bode, Min Ho Lee and Kwang Bok Lee

Do we really allow patient decision-making in rotator cuff surgery? A prospective randomized study

There is a growing patient interest in being involved in the decision-making process. However, little information is provided on how this information should be structured.

Authors: Carlos Torrens, Joan Miquel and Fernando Santana

3D planning and surgical navigation of clavicle osteosynthesis using adaptable patient-specific instruments

Preoperative three-dimensional planning and intraoperative navigation by patient-specific instruments is a promising method for the exact correction of bone deformities. Nevertheless, disadvantages of current ...

Authors: S. Roner, P. Bersier, P. Fürnstahl, L. Vlachopoulos, A. Schweizer and K. Wieser

Nonanatomic versus anatomic techniques in spring ligament reconstruction: biomechanical assessment via a finite element model

Several approaches to spring ligament reconstruction have been reported. However, a comparative study of nonanatomic and anatomic techniques with respect to biomechanical responses, such as kinematics and cont...

Authors: Can Xu, Ming qing Li, Chenggong Wang and Hua Liu

Assessment of perceptions, knowledge, and attitudes of parents regarding children’s schoolbags and related musculoskeletal health

Heavy schoolbags and their adverse musculoskeletal effects are a cause of great concern. Parents’ awareness and knowledge about this are crucial to prevent such health problems. Thus, this study aimed to asses...

Authors: Abdulmonem Alsiddiky, Raheef Alatassi, Fayez N. Alsaadouni, Khalid Bakerman, Waleed Awwad, Abdulrahman Alenazi, Sara Alsiddiqi and Husain Alyaseen