Articles

A multi-factorial analysis of bone morphology and fracture strength of rat femur in response to ovariectomy

Postmenopausal osteoporosis develops due to a deficiency of estrogen that causes a decrease in bone mass and changes in the macro- and micro-architectural structure of the bone, leading to the loss of mechanic...

Authors: Juan Marcelo Rosales Rocabado, Masaru Kaku, Kosuke Nozaki, Takako Ida, Megumi Kitami, Yujin Aoyagi and Katsumi Uoshima

Clavicular non-union treated with fixation using locking compression plate without bone graft

The articles that have reported on the size at which a segmental defect of clavicular non-union requires bone grafting are scarce. This study evaluated the functional and radiologic results of fixation by lock...

Authors: Wan Chen, Kanglai Tang, Xu Tao, Chengsong Yuan and Binghua Zhou

ERα PvuII and XbaI polymorphisms in postmenopausal women with posterior tibial tendon dysfunction: a case control study

Posterior tibial tendon (PTT) insufficiency is considered as the main cause of adult acquired flat foot and is three times more frequent in females. High estrogen levels exert a positive effect on the overall ...

Authors: P. A. Pontin, P. R. B. Nogara, F. C. P. Fonseca, C. Cesar Netto, K. C. Carvalho, J. M. Soares Junior, E. C. Baracat, T. D. Fernandes, N. Maffulli, M. C. L. Santos and A. L. Godoy-Santos

John B King, FRCS: 8 June 1944 - 6 October 2018

Authors: Nicola Maffulli

Acetabular reinforcement ring with additional hook improves stability in three-dimensional finite element analyses of dysplastic hip arthroplasty

The stability of acetabulum reconstructions using reinforcement rings and hooks is important for successful replacement surgery. The objective of this study was to biomechanically determine the effects of the ...

Authors: Koji Totoribe, Etsuo Chosa, Go Yamako, Xin Zhao, Koki Ouchi, Hiroaki Hamada and Gang Deng

Kinetic of bone turnover markers after osteoporotic vertebral compression fractures in postmenopausal female

Osteoporotic fracture occurs mostly at the spine, in which the commonest one is vertebral compression fracture. Bone turnover markers (BTMs) can be applied to assess bone formation and resorption activity. Nev...

Authors: Changyu Pan, Xiaoyang Liu, Tao Li, Guodong Wang and Jianmin Sun

Surgical approach and management outcomes for junction tuberculous spondylitis: a retrospective study of 77 patients

Junction tuberculous spondylitis involves the stress transition zone of the spine and has a high risk of progression to kyphosis or paraplegia. Problems still exist with treatment for spinal junction tuberculo...

Authors: Huipeng Yin, Kun Wang, Yong Gao, Yukun Zhang, Wei Liu, Yu Song, Shuai Li, Shuhua Yang, Zengwu Shao and Cao Yang

Suture wear particles cause a significant inflammatory response in a murine synovial airpouch model

Commonly used contemporary orthopaedic sutures have been identified as a potential causative factor in the development of post-arthroscopic glenohumeral chondrolysis. Currently, little is known about the body’...

Authors: Vedran Lovric, Michael J. Goldberg, Philipp R. Heuberer, Rema A. Oliver, Dana Stone, Brenda Laky, Richard S. Page and William R. Walsh

Overuse injuries in sport: a comprehensive overview

The absence of a single, identifiable traumatic cause has been traditionally used as a definition for a causative factor of overuse injury. Excessive loading, insufficient recovery, and underpreparedness can i...

Authors: R. Aicale, D. Tarantino and N. Maffulli

Prognostic factors affecting clinical outcomes after arthroscopic rotator cuff repair: importance of functional recovery by 3 months after surgery

To examine important factors that affect clinical outcomes following arthroscopic rotator cuff repair (ARCR).

Authors: Yosuke Nakamura, Masafumi Gotoh, Yasuhiro Mitsui, Hidehiro Nakamura, Hiroki Ohzono, Takahiro Okawa and Naoto Shiba

Factors associated with lumbar disc high-intensity zone (HIZ) on T2-weighted magnetic resonance image: a retrospective study of 3185 discs in 637 patients

It is well known that internal disc disruption (IDD) is accelerated by factors such as aging and injury. High- intensity zone (HIZ) on lumbar MRI is usually considered a marker of painful IDD. However, many pa...

Authors: Zi-Xuan Wang and You-Gu Hu

Soft tissue restrictors of femoral elevation in direct anterior approach—an anatomic study

With the patient in a constant supine position, elevation of the femur in THA (DAA) provides a more intuitive and conducive location of the acetabulum for the correct placement of the acetabular prosthesis, bu...

Authors: Gongyin Zhao, Ruixia Zhu, Shijie Jiang, Chao Xu, Nanwei Xu and Yuji Wang

Unilateral percutaneous endoscopic debridement and drainage for lumbar infectious spondylitis

The treatment of lumbar infectious spondylitis is controversial. In this study, we attempted to demonstrate that unilateral percutaneous endoscopic debridement with physiologic saline and negative pressure dra...

Authors: Xuepeng Wang, Shaobo Zhou, Zhenyu Bian, Maoqiang Li, Wu Jiang, Changju Hou and Liulong Zhu

Clinical and radiological outcomes of the multilevel Ponte osteotomy with posterior selective segmental pedicle screw constructs to treat adolescent thoracic idiopathic scoliosis

To compare the clinical and radiological outcomes of the surgical correction of Lenke type 1 to 4 scoliosis by using a multilevel Ponte osteotomy procedure with posterior selective segmental pedicle screw cons...

Authors: Jing Feng, Juan Zhou, Mi Huang, Ping Xia and Wei Liu

The bra strap incision in the open Latarjet procedure

The anterior deltopectoral approach is the standard approach for performing the open Latarjet procedure. Through the use of a more medial and vertical skin incision, the scar can be cosmetically covered by the...

Authors: Alexandra Vlajkovic, Dominik C. Meyer, Marius Von Knoch, Samuel L. Schmid, Tobias Götschi and Florian Grubhofer

Clinical characteristics of pyogenic spondylitis and psoas abscess at a tertiary care hospital: a retrospective cohort study

Psoas abscess and pyogenic spondylitis are intractable diseases that require long-term treatment, but the clinical characteristics and causative organisms have not been fully investigated. Herein, we describe ...

Authors: Tsukasa Nakamura, Takeshi Morimoto, Kosuke Katsube, Yuji Yamamori, Junji Mashino and Kiyoshi Kikuchi

Comparison of extended anterolateral approach in treatment of simple/complex tibial plateau fracture with posterolateral tibial plateau fracture

Our hospital has recently used the extended anterolateral approach in posterolateral tibial plateau fracture. We compared the clinical effects of this method in Schatzker type II or type V/VI fractures with po...

Authors: Liangjun Jiang, Qiang Zheng and Zhijun Pan

Low inter-observer agreement among experienced shoulder surgeons assessing overstuffing of glenohumeral resurfacing hemiarthroplasty based on plain radiographs

In a clinical setting, a visual evaluation of post-implant radiographs is often used to assess the restoration of glenohumeral joint anatomy after resurfacing hemiarthroplasty and is a part of the decision-mak...

Authors: Nicolai Sandau, Stig Brorson, Bo S. Olsen, Anne Kathrine Sørensen, Steen L. Jensen, Kim Schantz, Janne Ovesen and Jeppe V. Rasmussen

Mechanical simulation study of postoperative displacement of trochanteric fractures using the finite element method

Femoral trochanteric fractures are common among older adults. In the reduction of trochanteric fractures, acquiring the support of the anterior cortex at the fracture site on lateral view immediately after sur...

Authors: Atsuo Furui, Nobuki Terada and Kazuaki Mito

Enhanced tendon–bone healing with acidic fibroblast growth factor delivered in collagen in a rabbit anterior cruciate ligament reconstruction model

The objective of the present study was to investigate the effectiveness of acidic fibroblast growth factor delivered in collagen (aFGF/collagen) for promoting tendon–bone interface healing after anterior cruci...

Authors: Daifeng Lu, Chuandong Yang, Zhitao Zhang and Mochao Xiao

Association between dementia and mortality in the elderly patients undergoing hip fracture surgery: a meta-analysis

This study was designed to verify the association between dementia and mortality in the elderly undergoing hip fracture surgery, and assessed the mortality of patients with dementia after hip fracture surgery.

Authors: Jianzhong Bai, Pei Zhang, Xinyu Liang, Zhipeng Wu, Jingcheng Wang and Yuan Liang

Is unilateral pedicle screw fixation superior than bilateral pedicle screw fixation for lumbar degenerative diseases: a meta-analysis

To investigate whether unilateral pedicle screw fixation is superior than bilateral pedicle screw fixation for lumbar degenerative diseases.

Authors: Pei Lu, Ting Pan, Teng Dai, Gang Chen and Ke-qin Shi

Clinical and structural outcomes after arthroscopic rotator cuff repair: a comparison between suture bridge techniques with or without medial knot tying

To compare arthroscopic suture bridge (SB) techniques with medial tying to those without tying, considering clinical and structural outcomes.

Authors: Hirokazu Honda, Masafumi Gotoh, Yasuhiro Mitsui, Hidehiro Nakamura, Ryo Tanesue, Hisao Shimokobe and Naoto Shiba

Incidence and predictors of surgical site infection after ORIF in calcaneus fractures, a retrospective cohort study

Occurrence of calcaneus fractures is on the up trend. Owing to its unique anatomical morphology and limited soft-tissue envelope, management of calcaneus fractures is a challenge to the orthopaedic surgeon, an...

Authors: Hui Wang, Honglei Pei, Meiyun Chen and He Wang

Risk assessment and management of preoperative venous thromboembolism following femoral neck fracture

Limited studies are available to investigate the prevalence of preoperative venous thromboembolism (VTE) in elderly patients with femoral neck fractures. Our primary aim was to determine the incidences of VTE ...

Authors: Ze-Nan Xia, Ke Xiao, Wei Zhu, Bin Feng, Bao-Zhong Zhang, Jin Lin, Wen-Wei Qian, Jin Jin, Na Gao, Gui-Xing Qiu and Xi-Sheng Weng

Preliminary experience in treating thoracic spinal tuberculosis via a posterior modified transfacet debridement, instrumentation, and interbody fusion

Posterior transfacet approach has been proved to be a safe and effective access to treat thoracic disc herniation. However, the therapeutic effect and safety of modified transfacet approach for treating thorac...

Authors: Yun-Peng Huang, Jian-Hua Lin, Xiao-Ping Chen, Gui Wu and Xuan-Wei Chen

Pigmented villonodular synovitis does not influence the outcome following cementless total hip arthroplasty using ceramic-on-ceramic articulation: a case-control study with middle-term follow-up

Pigmented villonodular synovitis (PVNS) is a relatively rare, locally aggressive, and potentially recurrent synovial disease of large joints. The purpose of this study was to investigate (1) the disease recurr...

Authors: Chi Xu, Heng Guo, Kerri L. Bell, Feng-Chih Kuo and Ji-Ying Chen

Clinical outcomes of femoral shaft non-union: dual plating versus exchange nailing with augmentation plating

By comparing clinical outcomes between dual plating (DP) and exchange nailing with augmentation plating (EN/AP), we aimed to provide better treatment strategies for femoral shaft non-union.

Authors: Wei Zhang, Zhuo Zhang, Jiantao Li, Licheng Zhang, Hua Chen and Peifu Tang

A comparative study to evaluate the feasibility of preoperative percutaneous catheter drainage for the treatment of lumbar spinal tuberculosis with psoas abscess

Spinal tuberculosis is a frequent cause of psoas abscess (PA), and PA largely negates the efficacy of antituberculosis therapy. This study aimed to investigate the clinical outcome of preoperative percutaneous...

Authors: Zhen Lai, Shiyuan Shi, Jun Fei, Guihe Han and Shengping Hu

Optimal position of lipped acetabular liners to improve stability in total hip arthroplasty—an intraoperative in vivo study

Lipped or elevated acetabular liners are frequently used in total hip arthroplasty to improve stability. However, the optimal position of the lip is not known. The purpose of this study was to determine the op...

Authors: Raphael Hau, Joshua Hammeschlag, Christopher Law and Kemble K. Wang

A new method of measuring the thumb pronation and palmar abduction angles during opposition movement using a three-axis gyroscope

Thumb opposition is vital for hand function and involves pronation and palmar abduction. The improvement of pronation is often used as one of the evaluation items of the opponensplasty method for severe carpal...

Authors: Tomoyuki Kuroiwa, Koji Fujita, Akimoto Nimura, Takashi Miyamoto, Toru Sasaki and Atsushi Okawa

Application of the Chinese Aircraft-shaped Sleeve system in the treatment of tibial shaft fractures using a suprapatellar approach for tibial intramedullary nailing: a randomised controlled trial

The use of the suprapatellar approach for intramedullary nailing has recently become popular for the treatment of tibial fractures. This study aimed to investigate the effectiveness of using the Chinese Aircra...

Authors: Ke Lu, Ting-ting Zhou, Yi-jun Gao, Hong-zhen Wang, Zhi-qiang Wu, Yuan Wang, Dong-gui Zheng and Qi-rong Dong

Effective period of conservative treatment in patients with acute calcific periarthritis of the hand

Acute calcific periarthritis of the hand is a relatively uncommon painful condition involving juxta-articular deposits of amorphous calcium hydroxyapatite. Although conservative treatments have been generally ...

Authors: Jihyeung Kim, Kee Jeong Bae, Do Weon Lee, Yo-Han Lee, Hyun Sik Gong and Goo Hyun Baek

The preoperative predictors for subsequent degeneration in L5-S1 disc after long fusion arthrodesis terminating at L5 in patients with adult scoliosis: focus on spinopelvic parameters

The subsequent L5-S1 disc degeneration associated with long fusion arthrodesis terminating at L5 in patients with adult scoliosis has been a common concern. However, few studies paid attention to its preoperat...

Authors: Changzhi Yan, Xianda Gao, Yadong Sun, Zhen Dong and Yong Shen

Bioinformatics analysis of differentially expressed genes in rotator cuff tear patients using microarray data

Rotator cuff tear (RCT) is a common shoulder disorder in the elderly. Muscle atrophy, denervation and fatty infiltration exert secondary injuries on torn rotator cuff muscles. It has been reported that satelli...

Authors: Yi-Ming Ren, Yuan-Hui Duan, Yun-Bo Sun, Tao Yang and Meng-Qiang Tian

Efficacy and safety of 3D print-assisted surgery for the treatment of pilon fractures: a meta-analysis of randomized controlled trials

To compare the effects of 3D print-assisted surgery and conventional surgery in the treatment of pilon fractures.

Authors: Jianzhong Bai, Yongxiang Wang, Pei Zhang, Meiying Liu, Peian Wang, Jingcheng Wang and Yuan Liang

Magnetic resonance imaging of the Lisfranc ligament

The Lisfranc joint has complex structures, and articular surfaces overlap on conventional X-ray radiographs. Hence, there is no available auxiliary examination for diagnosing related injuries. At present, few ...

Authors: A. Ablimit, Hui-Yong Ding and Li-Guo Liu

Upper tibial MRI vascular marks lost in early knee osteoarthritis

We describe upper tibial radiating vascular marks on MRI scans. They are lost in early osteoarthritis (OA).

Authors: Michael Beverly, Gil Stamm, Thomas W. Hamilton, David W Murray and Hemant G Pandit

Outcomes and factors of elbow arthroscopy upon returning to sports for throwing athletes with osteoarthritis

Elbow arthroscopy had good functional outcome for throwing athletes. Returning to sports is a major concern for all athletes, but only a few reports have investigated the clinical factors related to the durati...

Authors: Shun-Wun Jhan, Wen-Yi Chou, Kuan-Ting Wu, Ching-Jen Wang, Ya-Ju Yang and Jih-Yang Ko

Rationale and pre-clinical evidences for the use of autologous cartilage micrografts in cartilage repair

The management of cartilage lesions is an open issue in clinical practice, and regenerative medicine represents a promising approach, including the use of autologous micrografts whose efficacy was already test...

Authors: Marco Viganò, Irene Tessaro, Letizia Trovato, Alessandra Colombini, Marco Scala, Alberto Magi, Andrea Toto, Giuseppe Peretti and Laura de Girolamo

Cross-cultural adaptation and validation of the Simplified Chinese version of Copenhagen Hip and Groin Outcome Score (HAGOS) for total hip arthroplasty

To translate and cross-culturally adapt the Copenhagen Hip and Groin Outcome Score (HAGOS) into a Simplified Chinese version (HAGOS-C) and evaluate the reliability, validity, and responsiveness of the HAGOS-C ...

Authors: Shiqi Cao, Jia Cao, Sirui Li, Wei Wang, Qirong Qian and Yu Ding

Risk factors predicting prognosis and outcome of elderly patients with isolated traumatic brain injury

Traumatic brain injury (TBI), particularly in the elderly patient population, is known to be the single largest cause of death and disability worldwide. The purpose of this retrospective study was to evaluate ...

Authors: Roman C. Ostermann, Julian Joestl, Thomas M. Tiefenboeck, Nikolaus Lang, Patrick Platzer and Marcus Hofbauer

Tibial plateau fractures in elderly people: an institutional retrospective study

Tibial plateau fractures are the most common intra-articular fractures, which require careful evaluation and preoperative planning. The treatment of tibial plateau fractures in elderly patients is challenging,...

Authors: Qi-fang He, Hui Sun, Lin-yuan Shu, Yu Zhan, Chun-yan He, Yi Zhu, Bin-bin Zhang and Cong-feng Luo

Reliability and validity of the Spinal Appearance Questionnaire (SAQ) and the Trunk Appearance Perception Scale (TAPS)

The Spinal Appearance Questionnaire (SAQ) and the Trunk Appearance Perception Scale (TAPS) are questionnaires that mostly rely on drawings to assess scoliosis patients’ subjective viewpoints on their trunk def...

Authors: Meinald T. Thielsch, Mark Wetterkamp, Patrick Boertz, Georg Gosheger and Tobias L. Schulte

Accurate determination of post-operative 3D component positioning in total knee arthroplasty: the AURORA protocol

Successful component alignment is a major metric of success in total knee arthroplasty. Component translational placement, however, is less well reported despite being shown to affect patient outcomes. CT scan...

Authors: Edgar A Wakelin, Linda Tran, Joshua G Twiggs, Willy Theodore, Justin P Roe, Michael I Solomon, Brett A Fritsch and Brad P Miles

Comparison of collum femoris-preserving stems and ribbed stems in primary total hip arthroplasty

This retrospective study investigated the relative benefits of using a collum femoris-preserving prosthesis or ribbed stem during total hip arthroplasty (THA).

Authors: Mingqing Li, Can Xu, Jie Xie, Yihe Hu and Hua Liu

Treatment of the benign lytic lesions of the proximal femur with synthetic bone graft

Benign bone tumors and tumor-like conditions are commonly located in the proximal femur. The main indications for surgical treatment are lesions with impending or actual pathological fractures, or with aggress...

Authors: Karem M. Zekry, Norio Yamamoto, Katsuhiro Hayashi, Akihiko Takeuchi, Ali Zein A. A. Alkhooly, Ahmed Saleh Abd-Elfattah, Ezzat H. Fouly, Adel Refaat Ahmed and Hiroyuki Tsuchiya

Finite element analysis of different configurations of fully threaded cannulated screw in the treatment of unstable femoral neck fractures

In the present study, we evaluated the mechanical outcome of different configurations formed by fully threaded screws and partially threaded screws in the treatment of unstable femoral neck fracture.

Authors: Jiantao Li, Menglin Wang, Lianting Li, Hao Zhang, Ming Hao, Chen Li, Lin Han, Jianfeng Zhou and Kun Wang

Radiographic and clinical outcomes of C1-C2 intra-articular screw fixation in patients with atlantoaxial subluxation

The Magerl and Goel-Harms techniques have been reported to produce excellent treatment outcomes in cases of atlantoaxial subluxation, but they also carry a risk of vertebral artery injuries. In order to comple...

Authors: Hiroshi Uei, Yasuaki Tokuhashi and Masafumi Maseda

Incidence and risk factors of neurological complications during posterior vertebral column resection to correct severe post-tubercular kyphosis with late-onset neurological deficits: case series and review of the literature

Severe post-tubercular kyphosis with late-onset neurological deficits is difficult to treat, with high risk of neurological complications. This study retrospectively evaluates the efficacy and safety of poster...

Authors: Wenbin Hua, Xinghuo Wu, Yukun Zhang, Yong Gao, Shuai Li, Kun Wang, Xianzhe Liu, Shuhua Yang and Cao Yang