Publications by authors named "Powles D"

Background: Miscarriage is the premature expulsion of an embryo or fetus from the uterus up to 23 weeks of pregnancy and weighing up to 500 grams. International studies using diagnostic tools have identified that some women suffer from anxiety, depression and grief after miscarriage. Psychological follow-up might detect those women who are at risk of psychological complications following miscarriage.

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Background: Addressing bone loss in revision TKA is challenging despite the array of options to reconstruct the deficient bone. Biologic reconstruction using morselized loosely-packed bone graft potentially allows for augmentation of residual bone stock while offering physiologic load transfer. However it is unclear whether the reconstructions are durable.

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The purpose of this study was to evaluate the mid- to long-term survivorship of Bimetric cementless total hip replacement and assess how it is affected by the acetabular design. This was a retrospective analysis of 127 Bimetric cementless total hip replacements in 110 patients with a follow-up of 7-18 years. A single design stem and three different cementless metal-backed acetabular designs were used.

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Mobile-bearing knee arthroplasty (MBKA) is an alternative to fixed-bearing knee arthroplasty. This was a retrospective study of the Rotaglide Total Knee System. We present the results of the monitoring of 77 patients (85 knees) with a median duration to failure or end of follow up of 8.

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We present the results of a technique of dynamic hip screw insertion through a very small incision, typically 2-2.5 cm. The technique is performed using a standard dynamic hip screw set and requires no additional equipment.

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We report a case in which a complication of routine chemoprophylaxis with subcutaneous low-molecular-weight heparin led to the postponement of a total hip replacement. This unusual reaction reinforces the current debate regarding the use of chemoprophylaxis for joint replacement surgery.

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Results of a year-long prospective audit of all arthroscopies of the knee in one NHS Trust hospital indicate that selective magnetic resonance imaging (MRI) would be cost-effective in up to 40% of patients. However, to achieve such savings, at least 14% of patients who would otherwise need diagnostic arthroscopy would need to be excluded from surgery, the cost of MRI must be low, and the success rate of interpreting the scans should be known.

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A prospective study in a single orthopaedic unit for one calendar year was carried out to examine the effect of continuing audit on arthroscopic practice. A standard proforma was introduced to record information and results were analysed using a system of audit codes. Two audit periods were examined, the first 3 months and the subsequent 9 months.

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We report a prospective, randomised, controlled trial of the effect of either a non-steroidal anti-inflammatory drug (diclofenac sodium) or physiotherapy on the recovery of knee function after arthroscopy. At 42 days after surgery there was no significant benefit from either form of postoperative treatment compared with the control group. Complications attributable to the anti-inflammatory drug occurred in 9.

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We report a prospective study of 198 cases of subcapital fracture of the femur treated by closed reduction and fixation with a sliding compression screw-plate. This was done without regard to the patient's age or the Garden stage of the fracture. Early weight-bearing was encouraged.

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