Preliminary study of the patterns and physical risk factors of work-related musculoskeletal disorders among academicians in a higher learning institute
Conclusion
The preliminary study demonstrated that neck pain, shoulder pain, and back pain were the most common WMSDs among the academicians in a higher learning institution. (Source: Journal of Orthopaedic Science)
Source: Journal of Orthopaedic Science - December 27, 2014 Category: Orthopaedics Source Type: research
Expression of tenocyte lineage-related factors in regenerated tissue at sites of tendon defect
Conclusions
In our tendon defect model, cells participating in the tendon healing process appeared to differentiate toward tenocyte lineage only in the early phase, and chondrogenesis seemed to occur from the early phase onward. To improve tendon repair, it will be necessary to promote and maintain tenogenesis and to inhibit chondrogenesis, especially in the early phase, in order to avoid erroneous differentiation of stem cells. (Source: Journal of Orthopaedic Science)
Source: Journal of Orthopaedic Science - December 27, 2014 Category: Orthopaedics Source Type: research
Monitoring of progression of nonsurgically treated rotator cuff tears by magnetic resonance imaging
Conclusions
Medium-sized tears are at high risk of tear progression. In contrast, there is little risk of early development of irreparable damage in partial tear or small full-thickness tears. In addition, typical tears may start in the posterior of the superior facet, and subsequently spread anteriorly. Our present findings may serve as a useful reference in determining the treatment course for rotator cuff tears.
Level of evidence
Level IV, Case Series, Prognosis Study. (Source: Journal of Orthopaedic Science)
Source: Journal of Orthopaedic Science - December 27, 2014 Category: Orthopaedics Source Type: research
A prospective study of ceramic-on-metal bearings in total hip arthroplasty at four-year follow-up: clinical results, metal ion levels, inflammatory factor levels, and liver–kidney function
Conclusions
Our study demonstrated that the use of a CoM THA was clinically effective and that metal ion levels were significantly elevated at midterm follow-up. Whether the elevated metal ion levels may reduce adverse reactions is unknown, and long-term follow-up is needed. (Source: Journal of Orthopaedic Science)
Source: Journal of Orthopaedic Science - December 23, 2014 Category: Orthopaedics Source Type: research
Improved accuracy of diagnosis of lumbar intra and/or extra-foraminal stenosis by use of three-dimensional MR imaging: comparison with conventional MR imaging
Conclusions
These results suggest that CMRI was of limited use for detection of the presence of LIEFS. Isolated imaging with CMRI may risk overlooking the presence of LIEFS. In contrast, reliability of 3D MRI for detection of LIEFS was good. Furthermore, readers’ performance in the diagnosis of LIEFS can be improved by use of 3D MRI. Therefore, 3D MRI is recommended when using imaging for diagnosis of LIEFS. (Source: Journal of Orthopaedic Science)
Source: Journal of Orthopaedic Science - December 11, 2014 Category: Orthopaedics Source Type: research
Japanese 2011 nationwide survey on complications from spine surgery
Abstract
Background
The Japanese Society for Spine Surgery and Related Research (JSSR) previously carried out two nationwide surveys in 1994 and 2001 on complications from spine and spinal cord surgery. More than 10 years have now elapsed since 2001. Rapidly ageing populations have major impacts on society, particularly in the medical field. The purpose of this study was therefore to examine the present situation for spine surgery in Japan.
Methods
The JSSR research team prepared a compu...
Source: Journal of Orthopaedic Science - December 5, 2014 Category: Orthopaedics Source Type: research
Characteristics of neck and shoulder pain in the Japanese general population
Conclusions
We used a general concept of NSP, which allowed us to collect the unified data about this condition among the participants. NSP was a prevalent health problem that led to deterioration of the HRQOL in the general population. Female gender and pain in the upper extremities were the factors associated with NSP. The characteristics of NSP clarified in this study may provide a basis for the prevention and/or effective management of NSP. (Source: Journal of Orthopaedic Science)
Source: Journal of Orthopaedic Science - November 28, 2014 Category: Orthopaedics Source Type: research
Proximal femoral reconstruction with impaction bone grafting and circumferential metal mesh
Conclusions
The short-term results show good outcomes for reconstruction of proximal bone loss with IBG and a circumferential mesh. The procedure should be applied in cases where the circumferential proximal bone loss is less than half the length of the implanted stem. (Source: Journal of Orthopaedic Science)
Source: Journal of Orthopaedic Science - November 20, 2014 Category: Orthopaedics Source Type: research
Fate, origin and roles of cells within free bone grafts
Conclusion
This study revealed the possible molecular mechanisms of the contribution of cells contained in grafted bone to facilitate new bone formation. (Source: Journal of Orthopaedic Science)
Source: Journal of Orthopaedic Science - November 20, 2014 Category: Orthopaedics Source Type: research
Anterior translation and rotational stability of anterior cruciate ligament-deficient knees during walking: speed and turning direction
Conclusions
In ACLD knees, the tibia tended to shift more anteriorly and changed with less extension at walking. However, faster walking speed did not induce any significant difference compared with normal-speed walking. In addition, ACLD knees displayed kinematic changes during pivoting, but not the crossover turn. (Source: Journal of Orthopaedic Science)
Source: Journal of Orthopaedic Science - November 13, 2014 Category: Orthopaedics Source Type: research
Acknowledgment to reviewers
(Source: Journal of Orthopaedic Science)
Source: Journal of Orthopaedic Science - November 7, 2014 Category: Orthopaedics Source Type: research
Use of a tourniquet in total knee arthroplasty: a systematic review and meta-analysis of randomized controlled trials
Conclusions
Data from this meta-analysis indicate that patients may benefit from the use of a tourniquet in TKA; however, it use is accompanied by disadvantages and complications. Because of the very low-evidence quality and lower grading of recommendations, assessment, development, and evaluation recommendation strength, no guidelines can be developed based on current evidence. (Source: Journal of Orthopaedic Science)
Source: Journal of Orthopaedic Science - November 6, 2014 Category: Orthopaedics Source Type: research
Femorotibial relationship changes as the posture changes from patellae-forward stance to preferred toe-out stance
Conclusions
The subject's posture significantly affects the femorotibial relationship. When a subject changes posture from a patellae-forward stance to a toe-out quiet stance, the femur rotates internally on the tibia.
Level of evidence
Diagnostic, level II. (Source: Journal of Orthopaedic Science)
Source: Journal of Orthopaedic Science - November 4, 2014 Category: Orthopaedics Source Type: research
Reply to letter to the editor by Toda
(Source: Journal of Orthopaedic Science)
Source: Journal of Orthopaedic Science - November 4, 2014 Category: Orthopaedics Source Type: research
Effect of synovial transthyretin amyloid deposition on preoperative symptoms and postoperative recovery of median nerve function among patients with idiopathic carpal tunnel syndrome
Conclusions
Although transthyretin amyloid deposition can worsen CTS symptoms, postoperative improvements were similar for patients with and without this deposition. (Source: Journal of Orthopaedic Science)
Source: Journal of Orthopaedic Science - November 1, 2014 Category: Orthopaedics Source Type: research
