Abstract:
PURPOSE:Osteochondral impaction grafting to manage isolated chondral defects in femoral condyles usually uses a metal punch to impact the grafts into predrilled cavities. Damage to the chondrocytes during impaction is a concern, however, and new methods are being sought to minimise the damage. We studied if impaction with a plastic punch instead of a metal punch reduces the extent of chondrocyte damage in an animal model. METHODS:32 osteochondral plugs were prepared from knees of 10 freshly slaughtered sheep knees; the contralateral condyles were then prepared to receive the osteochondral grafts. 20 plugs were impacted into predrilled holes: 10 using a metal punch and 10 using a plastic punch. The 12 remaining plugs were used as controls. The plugs were recovered, incubated for 24 hours in calf serum, and stained with 3-[4,5-dimethylthiazol]-2,5-diphenyltetrazolium to measure the content of viable cells. Digital photographs of the stained cartilage were then analysed on a 0-to-255 grey-scale. RESULTS:We found no significant difference in the extent of chondrocyte damage caused by impaction using metal and plastic punches. The content of viable cells in plugs impacted by metal and plastic punches, however, was significantly lower than that in the control plugs, as reflected by higher means of light intensity of 52.9 (p<0.001) and 32.4 (p=0.005), respectively. CONCLUSION:Impaction grafting clearly damages chondrocytes of the osteochondral plug. The use of a plastic punch does not reduce the extent of chondrocyte damage during the impaction grafting procedure.
journal_name
J Orthop Surg (Hong Kong)journal_title
Journal of orthopaedic surgery (Hong Kong)authors
Nabavi-Tabrizi A,Turnbull A,Dao Q,Appleyard Rdoi
10.1177/230949900201000211subject
Has Abstractpub_date
2002-12-01 00:00:00pages
170-2issue
2eissn
1022-5536issn
2309-4990journal_volume
10pub_type
杂志文章abstract:PURPOSE:To evaluate the incidence and risk factors of periprosthetic joint infection (PJI) in patients undergoing total knee arthroplasty (TKA) in a high-volume hospital. METHODS:Records of 1133 primary TKAs were reviewed. Correlation between surgery volume and infection rate was determined. Risk factors for PJI were ...
journal_title:Journal of orthopaedic surgery (Hong Kong)
pub_type: 杂志文章
doi:10.1177/230949901502300303
更新日期:2015-12-01 00:00:00
abstract:PURPOSE:To report our experience with the PRECICE nail for limb lengthening in 23 patients. METHODS:Records of 15 female and 8 male patients aged 14 to 38 (mean, 23.6) years who underwent lengthening of the tibia (n=6) or femur (n=21) using the PRECICE nail were reviewed. The reasons for lengthening included trauma (n...
journal_title:Journal of orthopaedic surgery (Hong Kong)
pub_type: 杂志文章
doi:10.1177/1602400321
更新日期:2016-12-01 00:00:00
abstract:PURPOSE:To evaluate the effect of preoperative comorbidity status (defined by the Deyo index) on hospital mortality, postoperative complications, length of hospital stay, and hospital costs for shoulder arthroplasty patients. METHODS:The overall mean hospital mortality and postoperative complication rates, and length ...
journal_title:Journal of orthopaedic surgery (Hong Kong)
pub_type: 杂志文章
doi:10.1177/230949900801600212
更新日期:2008-08-01 00:00:00
abstract::Pigmented villonodular synovitis of the elbow is rare and even rarer in children. We report a case of pigmented villonodular synovitis of the elbow in a 6-year-old girl who underwent total synovectomy after the diagnosis was confirmed by biopsy. The osteochondral defect at the olecranon was filled with calcium phospha...
journal_title:Journal of orthopaedic surgery (Hong Kong)
pub_type: 杂志文章
doi:10.1177/230949900701500124
更新日期:2007-04-01 00:00:00
abstract:BACKGROUND:Recently, several in vitro biomechanical studies that used dual small locking plate fixation for humeral shaft fractures have investigated. However, in vivo studies about dual plate fixation for humeral shaft fractures are limited. The purpose of our study was to report the outcomes of dual small plating for...
journal_title:Journal of orthopaedic surgery (Hong Kong)
pub_type: 杂志文章
doi:10.1177/2309499019839608
更新日期:2019-05-01 00:00:00
abstract:PURPOSE:Revision hip arthroplasty is a very challenging procedure. Use of a modular distal fixation stem is one of the available options for revision arthroplasty in patients with proximal femoral bone deficiency. The purpose of this study was to evaluate mid- to long-term outcomes of cementless modular distal fixation...
journal_title:Journal of orthopaedic surgery (Hong Kong)
pub_type: 杂志文章
doi:10.1177/2309499018812241
更新日期:2018-05-01 00:00:00
abstract:PURPOSE:To assess the accuracy of total knee replacements (TKRs) performed using CT-based patient-specific instrumentation by postoperative CT scan. METHOD:Approval from the Ethics Committee was granted prior to commencement of this study. Fifty prospective and consecutive patients who had undergone TKR (Evolis, Medac...
journal_title:Journal of orthopaedic surgery (Hong Kong)
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abstract::We report a 20-year-old man who sustained lumbar fractures involving 5 vertebrae following a road traffic accident. He was initially treated non-operatively to allow multiple pedicles to heal. He developed post-traumatic kyphosis for which corrective osteotomy and posterior spinal instrumented fusion was performed. He...
journal_title:Journal of orthopaedic surgery (Hong Kong)
pub_type: 杂志文章
doi:10.1177/230949901101900329
更新日期:2011-12-01 00:00:00
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journal_title:Journal of orthopaedic surgery (Hong Kong)
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doi:10.1177/230949901502300108
更新日期:2015-04-01 00:00:00
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journal_title:Journal of orthopaedic surgery (Hong Kong)
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更新日期:2010-08-01 00:00:00
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journal_title:Journal of orthopaedic surgery (Hong Kong)
pub_type: 杂志文章
doi:10.1177/230949901202000214
更新日期:2012-08-01 00:00:00
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journal_title:Journal of orthopaedic surgery (Hong Kong)
pub_type: 杂志文章
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更新日期:2017-01-01 00:00:00
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journal_title:Journal of orthopaedic surgery (Hong Kong)
pub_type: 杂志文章
doi:10.1177/230949900901700323
更新日期:2009-12-01 00:00:00
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journal_title:Journal of orthopaedic surgery (Hong Kong)
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更新日期:2006-04-01 00:00:00
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journal_title:Journal of orthopaedic surgery (Hong Kong)
pub_type: 杂志文章,随机对照试验
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更新日期:2018-05-01 00:00:00
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journal_title:Journal of orthopaedic surgery (Hong Kong)
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更新日期:2020-01-01 00:00:00
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journal_title:Journal of orthopaedic surgery (Hong Kong)
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更新日期:2018-05-01 00:00:00
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journal_title:Journal of orthopaedic surgery (Hong Kong)
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journal_title:Journal of orthopaedic surgery (Hong Kong)
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journal_title:Journal of orthopaedic surgery (Hong Kong)
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更新日期:2002-06-01 00:00:00
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更新日期:2004-06-01 00:00:00
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journal_title:Journal of orthopaedic surgery (Hong Kong)
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更新日期:2019-01-01 00:00:00
abstract::Rhinosporidiosis is a chronic granulomatous fungal disease caused by Rhinosporidiosis seeberi. It usually affects the mucocutaneous tissue of the nose; bone involvement is rare. We report the clinical features, diagnosis, and management of rhinosporidiosis involving the face, forehead, and right foot. As antimicrobial...
journal_title:Journal of orthopaedic surgery (Hong Kong)
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更新日期:2008-04-01 00:00:00
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journal_title:Journal of orthopaedic surgery (Hong Kong)
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更新日期:2019-09-01 00:00:00
abstract:BACKGROUND:The ability of fracture healing in Tibetans is significantly superior to Chinese Hans, which may attribute to factors from diet, altitude to physical conditions. Conjugated linoleic acid (CLA) is an important ingredient in Tibetan diet, playing a role in antioxidation, antiatherosclerosis, and decrease in bo...
journal_title:Journal of orthopaedic surgery (Hong Kong)
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更新日期:2017-05-01 00:00:00
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journal_title:Journal of orthopaedic surgery (Hong Kong)
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更新日期:2019-05-01 00:00:00
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journal_title:Journal of orthopaedic surgery (Hong Kong)
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更新日期:2014-04-01 00:00:00
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journal_title:Journal of orthopaedic surgery (Hong Kong)
pub_type: 杂志文章
doi:10.1177/1602400331
更新日期:2016-12-01 00:00:00
abstract:PURPOSE:Sacral insufficiency fractures (SIFs) can cause severe lower back pain and immobility, which have limited therapeutic options. No previous studies have compared clinical outcomes and radiographic findings of sacroplasty with or without balloon assistance for the treatment of SIFs. METHODS:Forty-five patients w...
journal_title:Journal of orthopaedic surgery (Hong Kong)
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更新日期:2018-05-01 00:00:00
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