Articles

Design and analysis of three-dimensional printing of a porous titanium scaffold

Mechanic strength, pore morphology and size are key factors for the three-dimensional (3D) printing of porous titanium scaffolds, therefore, developing optimal structure for the 3D printed titanium scaffold to...

Authors: Jiajie Yang, Yaqiang Li, Xiaojian Shi, Meihua Shen, Kaibing Shi, Lingjie Shen and Chunxi Yang

Adherence to a reliable PJI diagnostic protocol minimizes unsuspected positive cultures rate

The aim of the present study was to evaluate the incidence of unsuspected PJI when prosthetic revisions are thoroughly evaluated by PJI dedicated orthopedic surgeon before surgery. The hypothesis is that the i...

Authors: Daniel Pérez-Prieto, Pedro Hinarejos, Albert Alier, Lluïsa Sorlí, Santos Martínez, Lluís Puig and Juan C. Monllau

Correction to: Identification of factors related to behaviors associated with musculoskeletal pain among elementary students

Authors: Forouzan Rezapur-Shahkolai, Elham Gheysvandi, Akram Karimi-Shahanjarini, Leili Tapak, Rashid Heidarimoghadam and Iman Dianat

Direct costs of common osteoporotic fractures (Hip, Vertebral and Forearm) in Iran

Osteoporotic fractures impose significant costs on society. The objective of this study was to estimate the direct costs of the hip, vertebral, and forearm fractures in the first year after fracture incidence ...

Authors: Marziyeh Rajabi, Afshin Ostovar, Ali Akbari Sari, Sayed Mahmoud Sajjadi-Jazi, Noushin Fahimfar, Bagher Larijani and Rajabali Daroudi

Higher psychological distress in patients seeking care for a knee disorder is associated with diagnostic discordance between health care providers: a secondary analysis of a diagnostic concordance study

Knee disorders are highly prevalent and may be a disabling condition. An accurate diagnosis is necessary to guide toward a rapid and efficient management of knee disorders. However, the ability to make a valid...

Authors: Véronique Lowry, Alec Bass, Tatiana Vukobrat, Simon Décary, Patrick Bélisle, Marie-Pierre Sylvestre and François Desmeules

Feasibility study of early prediction of postoperative MRI findings for knee stability after anterior cruciate ligament reconstruction

At present, the most effective and mature treatment after ACL injury and tear is ACL reconstruction, but the rehabilitation process after ACL reconstruction that is very long, so it is very important to find e...

Authors: Jianqiang Zhang, Jiyao Ma, Juan Huang, Guoliang Wang, Yilong Huang, Zhenhui Li, Jun Yan, Xiaomin Zeng, Hongli Zhu, Wei Zhao, Yanlin Li and Bo He

The aiming device for cervical distractor pin insertion: a proof-of-concept, feasibility study

Restoration of cervical lordosis after anterior discectomy and fusion is a desirable goal. Proper insertion of the vertebral distraction or Caspar pin can assist lordotic restoration by either putting the tips...

Authors: Torphong Bunmaprasert, Sittichai Luangkittikong, Menghong Tosinthiti, Supachoke Nivescharoenpisan, Raphi Raphitphan, Nantawit Sugandhavesa, Wongthawat Liawrungrueang and K. Daniel Riew

Does psychological distress influence postoperative satisfaction and outcomes in patients undergoing total knee arthroplasty? A prospective cohort study

Preoperative psychological distress may be related to dissatisfaction and poorer outcomes after total knee arthroplasty (TKA). However, the kind of psychological distress that could influence postoperative sat...

Authors: Tao Bian, Hongyi Shao, Yixin Zhou, Yong Huang and Yang Song

Implications of gender-based variabilities in bone mineral density and hemoglobin levels

Studies reported that there is a relationship between volumetric bone mineral density (vBMD) and hemoglobin (HGB) in sickle cell anemia, chronic obstructive pulmonary disease, inflammatory bowel disease, and c...

Authors: Yumei Zhou, Shengjun Liu, Ximei Wang, Yuhan Fu, Fan Su, Lei Cao, Xiaojuan Zha and Yufeng Wen

The association between manual handling operations and pain in the hands and arms in the context of the 2018 BIBB/BAuA Employment Survey

Manual handling operations (MHO) are tasks performed by hand that require repetitive and forceful hand and arm movements. MHO are currently performed in many workplaces in skilled and unskilled jobs in the pro...

Authors: Charlotte Mueller, Martha Sauter, Julia Barthelme and Falk Liebers

Predictors of the surgical outcome of propeller perforator flap reconstruction, focusing on the effective safe distance between the perforator and the wound edge

Soft tissue defects in the distal third of the leg and malleolus are difficult to cover and often require free tissue transfer, even for small-sized defects. Propeller flaps were designed as an alternative to ...

Authors: Peng Wang, Fang Lin, Yunhong Ma, Jianbing Wang, Ming Zhou and Yongjun Rui

The protective mechanism of SIRT1 on cartilage through regulation of LEF-1

Osteoarthritis (OA) is a chronic degenerative disease that suppresses middle-aged and older people worldwide. Silent information regulator 1(SIRT-1) is associated with several age-related diseases, such as car...

Authors: Xueyu Hu, Gangning Feng, Zhiqiang Meng, Long Ma and Qunhua Jin

Exposure-lag-response associations between weather conditions and ankylosing spondylitis: a time series study

Patients with ankylosing spondylitis (AS) have reported that their pain becomes worse when the local weather changes. However, there is limited evidence verifying the short-term associations between meteorolog...

Authors: Ling Xin, Jian Liu, Yongjian Zhu and Yanyan Fang

Association of depressive symptoms and risk of knee pain: the moderating effect of sex

Depression has been shown in some studies to be associated with knee pain. Females were widely recognized as more vulnerable to depression and knee pain than males. However, the role of sex in this correlation...

Authors: Haiyan Hu, Wenjun Liu, Yang Liu, Jay Pan and Xiaozuo Zheng

The 30-s chair stand test can be a useful tool for screening sarcopenia in elderly Japanese participants

Low muscle strength has been focused on as an essential characteristic of sarcopenia, and the 30-s chair stand test (CS-30) could be a particularly useful test for assessing muscle strength. While it is specul...

Authors: Shuji Sawada, Hayao Ozaki, Toshiharu Natsume, Pengyu Deng, Toshinori Yoshihara, Takashi Nakagata, Takuya Osawa, Yoshihiko Ishihara, Tomoharu Kitada, Ken Kimura, Nobuhiro Sato, Shuichi Machida and Hisashi Naito

AMIC for traumatic focal osteochondral defect of the talar shoulder: a 5 years follow-up prospective cohort study

Autologous Matrix-Induced Chondrogenesis (AMIC) is addressed to osteochondral defects of the talus. However, evidence concerning the midterm efficacy and safety of AMIC are limited. This study assessed reliabi...

Authors: Christian Götze, Christian Nieder, Hanna Felder, Christian Dominik Peterlein and Filippo Migliorini

Conservative versus accelerated rehabilitation after rotator cuff repair: a systematic review and meta-analysis

The purpose of this systematic review and meta-analysis is to compare the conservative and accelerated rehabilitation protocols in patients who underwent arthroscopic rotator cuff repair in terms of clinical o...

Authors: Umile Giuseppe Longo, Laura Risi Ambrogioni, Alessandra Berton, Vincenzo Candela, Filippo Migliorini, Arianna Carnevale, Emiliano Schena, Ara Nazarian, Joseph DeAngelis and Vincenzo Denaro

The current clinical practice of general orthopaedic surgeons in the treatment of lateral ankle sprain: a questionnaire survey in Miyazaki, Japan

Lateral ankle sprain (LAS) is one of the most common musculoskeletal injuries. Numerous studies regarding LAS have been performed. However, there are few studies evaluating the current clinical practice of ort...

Authors: Takuji Yokoe, Takuya Tajima, Nami Yamaguchi, Yudai Morita and Etsuo Chosa

Higher body mass index is associated with larger postoperative improvement in patient-reported outcomes following total knee arthroplasty

Total knee arthroplasty is known to successfully alleviate pain and improve function in endstage knee osteoarthritis. However, there is some controversy with regard to the influence of obesity on clinical bene...

Authors: K Giesinger, JM Giesinger, DF Hamilton, J Rechsteiner and A Ladurner

TGF-β regulates nerve growth factor expression in a mouse intervertebral disc injury model

Intervertebral disc (IVD) degeneration is a major cause of low back pain (LBP). Following disc injury, nerve growth factor (NGF) concentrations rise in IVDs, and anti-NGF therapy has been shown to attenuate LB...

Authors: Yuji Yokozeki, Kentaro Uchida, Ayumu Kawakubo, Mitsufumi Nakawaki, Tadashi Okubo, Masayuki Miyagi, Gen Inoue, Makoto Itakura, Hiroyuki Sekiguchi and Masashi Takaso

Construct validity of the OCTOPuS stratification algorithm for allocating patients with knee osteoarthritis into subgroups

We recently developed a model of stratified exercise therapy, consisting of (i) a stratification algorithm allocating patients with knee osteoarthritis (OA) into one of the three subgroups (‘high muscle streng...

Authors: Jesper Knoop, Raymond W. J. G. Ostelo, Martin van der Esch, Arjan de Zwart, Kim L. Bennell, Marike van der Leeden and Joost Dekker

Clinical outcomes and predictive factors for failure with MPFL reconstruction combined with tibial tubercle osteotomy and lateral retinacular release for recurrent patellar instability

Medial patellofemoral ligament (MPFL) reconstruction combined with tibial tubercle osteotomy (TTO) and lateral retinacular release (LRR) is one of the main treatment methods for patellar instability. So far, f...

Authors: Peng Su, Xiumin Liu, Nengri Jian, Jian Li and Weili Fu

Repetitive brief ischemia accelerates tibial shaft fracture healing: a 5-years prospective preliminary clinical trial (PCT)

This study was to evaluate the effects of repetitive brief ischemia (RBI) on bone healing in patients with tibial shaft fractures.

Authors: Dong Wang, Yang Liu, Wenrui Lv, Wei Liang, Xiaobin Zhou, Yin Ding and Junlin Zhou

RAB33B and PCNT variants in two Pakistani families with skeletal dysplasia and short stature

Skeletal dysplasia is a heterogeneous group of disorders resulting from different genetic variants in humans. The current study was designed to identify the genetic causes of skeletal dysplasia and short statu...

Authors: Noor ul Ain, Zunaira Fatima, Sadaf Naz and Outi Makitie

Work-related musculoskeletal symptoms among Iranian nurses and their relationship with fatigue: a cross-sectional study

The present study aimed to determine the prevalence of work-related musculoskeletal symptoms (WMSs), identify potential factors associated with WMSs, and determine the association between WMSs and fatigue amon...

Authors: Elahe Hosseini, Hadi Daneshmandi, Azadeh Bashiri and Roxana Sharifian

Preliminary results in anterior cervical discectomy and fusion with the uncovertebral joint fusion cage in a goat model

To preliminarily evaluate the safety and efficacy of the uncovertebral joint fusion cage in a goat model of cervical spine interbody fusion.

Authors: Yi-Wei Shen, Yi Yang, Hao Liu, Ting-Kui Wu, Li-Tai Ma, Lin Chen, Ling-Yun Hu, Chen Ding, Xin Rong, Bei-Yu Wang, Yang Meng and Ying Hong

Can Achilles tendon xanthoma be distinguished from Achilles tendinopathy using Dixon method MRI? A cross-sectional exploratory study

Familial hypercholesterolemia is a genetic condition characterized by life-long elevations of plasma low-density lipoprotein cholesterol. In addition to life-threatening cardiovascular complications, intratend...

Authors: Thomas Michael Zahradnik, Mark Cresswell, Kip Squier, Charlotte Waugh, Liam Brunham, Hazel Screen and Alex Scott

Clinical characteristics, injury pattern and management of pediatric pelvic fracture: An observational retrospective study from a level I trauma center

Pediatric pelvic fractures (PPF) are uncommon among children requiring hospitalization after blunt trauma. The present study explored our experience for the prevalence, patients demographics, clinical characte...

Authors: Abduljabbar Alhammoud, Isam Moghamis, Husham Abdelrahman, Syed Imran Ghouri, Mohammad Asim, Elhadi Babikir, Hassan Al-Thani and Ayman El-Menyar

Evolution of knowledge on meniscal biomechanics: a 40 year perspective

Knowledge regarding the biomechanics of the meniscus has grown exponentially throughout the last four decades. Numerous studies have helped develop this knowledge, but these studies have varied widely in their...

Authors: Amin Mohamadi, Kaveh Momenzadeh, Aidin Masoudi, Kempland C. Walley, Kenny Ierardi, Arun Ramappa, Joseph P. DeAngelis and Ara Nazarian

Association between working in awkward postures, in particular overhead work, and pain in the shoulder region in the context of the 2018 BIBB/BAuA Employment Survey

Musculoskeletal disorders are the leading cause of work-related sick leave and incur substantial socioeconomic costs. With the aging of our society and employees, the problem is exacerbating, and prevention is...

Authors: Julia Barthelme, Martha Sauter, Charlotte Mueller and Falk Liebers

Effect of concurrent repair of medial meniscal posterior root tears during high tibial osteotomy for medial osteoarthritis during short-term follow-up: a systematic review and meta-analysis

Medial meniscal posterior root tears (MMPRTs) are frequently associated with medial compartment osteoarthritis, leading to loss of meniscal hoop tension. This study aimed to evaluate the efficacy of concurrent...

Authors: Shin Kyun-Ho, Ryoo Hyun-Jae, Jang Ki-Mo and Han Seung-Beom

Design and rationale of the ATtune Knee Outcome Study (ATKOS): multicenter prospective evaluation of a novel uncemented rotating platform knee system

Total Knee Arthroplasty (TKA) remains the gold standard for treatment of debilitating symptoms of knee osteoarthritis (OA). Even though providing satisfactory results for the majority of patients, some studies...

Authors: Rachid Rassir, Inger N. Sierevelt, Marjolein Schager and Peter A. Nolte

Improved control over implant anchorage under the use of the femoral neck system for fixation of femoral neck fractures: a technical note

The depth of bolt in Femoral neck system (FNS, DePuy Synthes, Oberdorf, Switzerland) is difficult to finely control as the length of the bolt is in units of 5 mm. Thus, this study introduces a method to contro...

Authors: Yonghan Cha, Ji-Ung Song, Jun-Il Yoo, Ki Hoon Park, Jung-Taek Kim, Chan Ho Park and Won-Sik Choy

Midterm functional recovery of Total knee arthroplasty patients compared between the ATTUNE knee system and the press fit condylar (PFC) SIGMA knee system

The ATTUNE Knee System is a new prosthetic design that has theoretical advantages over the Press Fit Condylar (PFC) Sigma Knee System specific to improved knee kinematics and patellofemoral joint tracking. Thi...

Authors: Ekasame Vanitcharoenkul and Aasis Unnanuntana

Postoperative spinal orthosis may not be necessary for minimally invasive lumbar spine fusion surgery: a prospective randomized controlled trial

With the progress and success in minimally invasive surgery of transforaminal lumbar interbody fusion (MIS TLIF), the musculoskeletal injury was minimized. However, the role of postoperative orthosis in MIS TL...

Authors: Hsuan-Hsiao Ma, Pei-Hsi Wu, Yu-Cheng Yao, Po-Hsin Chou, Hsi-Hsien Lin, Shih-Tien Wang and Ming-Chau Chang

Three-dimensional motion analysis of ten common Asian sitting positions in daily living and factors affect range of hip motions

Sitting involves many activities of daily life and requires most motion in the hip joint. Asians have more hip flexion and external rotation motions than Westerners owing to cultural and lifestyle differences....

Authors: Phob Ganokroj, Jirayu Chaowalitwong, Pichitpol Kerdsomnuek, Narumol Sudjai, Pisit Lertwanich and Bavornrat Vanadurongwan

Reoperations after fusion surgeries for degenerative spinal diseases depending on cervical and lumbar regions: a national database study

Reoperation is one of the key factors affecting postoperative clinical outcomes. The reoperation rates of cervical surgeries might be different from those of lumbar surgeries due to the anatomical and biomecha...

Authors: Moon Soo Park, Young-Su Ju, Seong-Hwan Moon, Young-Woo Kim, Jong Ho Jung, Jung Hyun Oh, Chi Heon Kim and Chun Kee Chung

TELD with limited foraminoplasty has potential biomechanical advantages over TELD with large annuloplasty: an in-silico study

Facetectomy, an important procedure in the in–out and out–in techniques of transforaminal endoscopic lumbar discectomy (TELD), is related to the deterioration of the postoperative biomechanical environment and...

Authors: Jingchi Li, Chen Xu, Xiaoyu Zhang, Zhipeng Xi, Mengnan Liu, Zhongxin Fang, Nan Wang, Lin Xie and Yueming Song

Correction to: Protocol for a multicenter randomized controlled trial comparing a non-opioid prescription to the standard of care for pain control following arthroscopic knee and shoulder surgery

Authors:

Analysis of risk factors for C5 nerve root paralysis after posterior cervical decompression

C5 nerve root paralysis is a nonnegligible complication after posterior cervical spine surgery (PCSS). The cause of its occurrence remains controversial. The purpose of this study was to analyse the incidence ...

Authors: Bo Liu, Yanchen Chu, Jinfeng Ma, Xiaojie Tang, Junpeng Pan, Chunbing Wu, Xiao Chen, Chengliang Zhao and Zhijie Wang

A hybrid technique combining intramedullary pinning with extramedullary plate fixation in unstable and comminuted radial head fractures following on-table reconstruction

Management of comminuted radial fractures remains controversial. Currently, the emergence of on-table reconstruction technique has made fixation in comminuted radial head fractures more viable. However, the pr...

Authors: Xu Gao, Shi-you Dai, Hai-lei Yin, Fei Li, Yong-qiang Sui, Rui Huang and Hai-yu Fan

The impact of smoking on outcomes following anterior cervical fusion-nonfusion hybrid surgery: a retrospective single-center cohort study

There is mixed evidence for the impact of cigarette smoking on outcomes following anterior cervical surgery. It has been reported to have a negative impact on healing after multilevel anterior cervical discect...

Authors: Han Wang, Yang Meng, Hao Liu, Xiaofei Wang and Ying Hong

Effectiveness of a coordinated support system linking public hospitals to a health coaching service compared with usual care at discharge for patients with chronic low back pain: protocol for a randomised controlled trial

Although many people with chronic low back pain (LBP) improve following conservative treatment, one in five will experience worsening symptoms after discharge from treatment and seek health care again. The cur...

Authors: Emma K. Ho, Manuela L. Ferreira, Adrian Bauman, Paul W. Hodges, Christopher G. Maher, Milena Simic, Rachael L. Morton, Chris Lonsdale, Qiang Li, Melissa T. Baysari, Anita B. Amorim, Dragana Ceprnja, Ornella Clavisi, Mark Halliday, Matthew Jennings, Alice Kongsted…

Association between changes in hip-knee-ankle angle and hindfoot alignment after total knee arthroplasty for varus knee osteoarthritis

The change in hip-knee-ankle (HKA) angle after total knee arthroplasty (TKA) may cause an adjustment in hindfoot alignment (HFA). However, the relationship between the changes in HKA angle and HFA is still not...

Authors: Naicheng Diao, Fei Yu, Bo Yang, Lifeng Ma, Heyong Yin and Ai Guo

Different patterns and characteristics of Talar injuries at two main orthopedic trauma centers in Shiraz, south of Iran

Categorizing different injury patterns of the talus, describing demographic data, mechanisms of injury and associated fractures are important issues in orthopedic trauma surgeries. Injuries of the talus requir...

Authors: Amir Reza Vosoughi, Reza Fereidooni, Saeedreza Shirzadi, Seyed Alireza Zomorodian and Amir Human Hoveidaei

Risk factors for venous thromboembolism in patients with diabetes undergoing joint arthroplasty

Venous thromboembolism (VTE) is a significant complication after joint arthroplasty. Diabetes is related to a few changes in coagulation and fibrinolysis that may lead to thrombophilia. We aimed to investigate...

Authors: Wei Deng, Lili Huo, Qiang Yuan, Deyong Huang, Quan Li and Wei Tian

Correlation between full-thickness degenerative supraspinatus tear and radiographic parameters including the acromiohumeral centre edge angle and the greater tuberosity angle

Many radiographic parameters associated with the extrinsic cause of supraspinatus tears have been proposed. The aim of this study was to assess the relationship between a full-thickness degenerative supraspina...

Authors: Chaiyanun Vijittrakarnrung, Praman Fuangfa, Suphaneewan Jaovisidha and Chusak Kijkunasathian

Responsiveness of five shoulder outcome measures at follow-ups from 3 to 24 months

To assess responsiveness of five outcome measures at four different follow-ups in patients with SLAP II lesions of the shoulder.

Authors: Øystein Skare, Jostein Skranes Brox, Cecilie Piene Schrøder and Jens Ivar Brox

Clinical impact and imaging results after a modified procedure of ACDF: a prospective case-controlled study based on ninety cases with two-year follow-up

This is a prospective case-controlled study.

Authors: Shunmin Wang, Jian Zhu, Kaiqiang Sun, Rongzi Chen, Jie Cao, Ruijin You, Aigang Liu, Feng Zhao and Jiangang Shi

How one treats lateral epicondylitis – a survey among Brazilian orthopedists

Lateral epicondylitis (LE), also known as tennis elbow, is the most common painful elbow condition. It affects approximately 1–3% of adults. There are various possible treatments described in the literature, b...

Authors: Rafael Fuchs Lazarini, Renato Arouca Zan, João Carlos Belloti, Ildeu Afonso de Almeida Filho, Luiz Fernando Sartori Centenaro, Fabio Teruo Matsunaga and Marcel Jun Sugawara Tamaoki