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The Gamma nail was introduced for the treatment of peritrochanteric fractures with the theoretical advantage of a load-sharing femoral component which could be implanted by a closed procedure. We report a randomised prospective study of 186 fractures treated by either the Gamma nail or a dynamic hip screw. Gamma nails were implanted with significantly(More)
Periprosthetic fractures are fractures that occur in association with an orthopaedic implant, most often used for joint arthroplasty or fracture fixation. They are associated with significant morbidity and increased mortality in some cases. The incidence of periprosthetic fractures appears to be increasing as a result of increasing patient longevity, more(More)
A clinical study was conducted to investigate the effect of low-intensity pulsed ultrasound (US) stimulation (LIPUS) on the healing of complex tibial fractures. Thirty complex tibial fractures were randomly assigned to the treatment with LIPUS (n = 16) or by a dummy machine (sham-exposed: n = 14). The fractures were immobilized by either internal or(More)
The effect of low intensity pulsed ultrasound on human periosteal cells was investigated. Normal human periosteum was obtained to culture the periosteal cells. After characterization, cultures of periosteal cells at Days 2 and 4 were treated with ultrasound for 5, 10, and 20 minutes respectively. Assessments were done to assess total number of viable cells,(More)
This study aimed to investigate the mechanism of low-magnitude high-frequency vibration (LMHFV) treatment on angiogenesis and blood flow for enhancement of fracture healing. Nine-month-old ovariectomized (OVX) and sham-operated (Sham) rats received closed fractures creation at the femora and were randomized into LMHFV treatment (Sham-V, OVX-V) or control(More)
Fracture healing is impaired in osteoporotic bone. Low-magnitude high-frequency vibration (LMHFV) has recently been proven to be osteogenic in osteoporotic intact bone. Our previous study found that LMHFV significantly enhanced fracture healing in adult rats. This study was designed to explore whether LMHFV was able to promote fracture healing in(More)
Since 1986, we have treated displaced intra-articular fractures of the calcaneum by open reduction through a lateral approach, stable internal fixation and bone grafting. We assessed the results at a mean follow-up of 2.92 years in 44 patients, comparing them with those for 19 patients treated non-operatively. Clinical assessment used the scoring system of(More)
Hypertrophic scar formation is a common complication after burn injury. Early active scars show hyperemic appearances that change as the scar matures. This is a report on microcirculation in hypertrophic scars after burn injury among 50 Chinese patients with a laser Doppler flowmeter. The average period of follow-up for the patients was 20 months. The(More)
UNLABELLED This study is a prospective cluster-randomized controlled clinical trial involving 710 elderly subjects to investigate the long-term effects of low-magnitude high-frequency vibration (LMHFV) on fall and fracture rates, muscle performance, and bone quality. The results confirmed that LMHFV is effective in reducing fall incidence and enhancing(More)