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Biomedical subjects

G Tytherleigh-Strong

Publications and source records attributed to G Tytherleigh-Strong.

9 recordsLinked to original sources
PubMed2006

The use of hydroxyapatite-coated CAD-CAM femoral components in adolescents and young adults with inflammatory polyarthropathy: ten-year results.

Between June 1991 and January 1995, 42 hydroxyapatite-coated CAD-CAM femoral components were inserted in 25 patients with inflammatory polyarthropathy, 21 of whom had juvenile idiopathic arthritis. Their mean age was 21 years (11 to 35). All the patients were reviewed clinically and radiologically at one, three and five years. At the final review at a mean of 11.2 years (8 to 13) 37 hips in 23 patients were available for assessment. A total of four femoral components (9.5%) had failed, of which two were radiologically loose and two were revised. The four failed components were in patients aged 16 years or less at the time of surgery. Hydroxyapatite-coated customized femoral components give excellent medium- to long-term results in skeletally-mature young adults with inflammatory polyarthropathy. Patients aged less than 16 years at the time of surgery have a risk of 28.5% of failure of the femoral component at approximately ten years.

Adolescent↗
PubMed2003

The classification of phocomelia.

We studied 24 patients with 44 phocomelic upper limbs. Only 11 limbs could be grouped in the classification system of Frantz and O' Rahilly. The non-classifiable limbs were further studied and their characteristics identified. It is confirmed that phocomelia is not an intercalary defect.

Abnormalities, Drug-Induced↗
PubMed2001

Rotator cuff disease.

The important role played by the rotator cuff in the stability and movement of the glenohumeral joint make it susceptible to damage and injury in patients of all age groups. A number of extrinsic and intrinsic mechanisms have been described for the development of rotator cuff disease, although it is more likely that the actual etiology in any one individual is multifactorial. The key to successful management in a particular patient is an accurate diagnosis of the underlying cause by thorough clinical examination and the use of appropriate investigations. The mainstay of treatment of patients with rotator cuff disease is nonoperative. Surgical intervention is usually considered only after failure of at least 6 months of conservative therapy. However, there are a few situations where early surgical intervention is indicated.

Algorithms↗
PubMed2000

Heparin, low molecular weight heparin and physical methods for preventing deep vein thrombosis and pulmonary embolism following surgery for hip fractures.

BACKGROUND: Hip fracture patients have a high risk of thromboembolic complications following surgical management. OBJECTIVES: To examine the effects of heparin (unfractionated (U), and low molecular weight (LMW) heparins), and physical methods (compression stockings, calf or foot pumps) for prevention of deep venous thrombosis (DVT) and pulmonary embolism after surgery for hip fracture in the elderly. SEARCH STRATEGY: We searched the Cochrane Musculoskeletal Injuries Group trials register, Medline, Embase, and reference lists of published papers and books. We contacted trialists and other workers in the field. Date of most recent search: September 1996. SELECTION CRITERIA: Randomised and quasi-randomised trials evaluating the use of heparins and physical agents for prevention of DVT and pulmonary embolism in patients undergoing surgery for hip fracture. DATA COLLECTION AND ANALYSIS: Two reviewers independently assessed methodological quality and extracted data. Trials were grouped into four categories (heparin versus control, mechanical versus control, LMW heparin versus U heparin, and miscellaneous) and results pooled where possible. MAIN RESULTS: The 26 included trials involved 2600 predominantly female and elderly patients. Overall, trial quality was disappointing. Ten trials involving 826 patients which compared U heparin with control, and four trials of 471 patients which compared LMW heparin with control, showed a reduction in the incidence of lower limb DVT (121/511 (24%) versus 203/519 (39%); Peto odds ratio 0.41; 95% confidence interval 0.31 to 0.55). There were insufficient data to confirm the efficacy of either agent in the prevention of pulmonary embolism. There was a non significant increase in overall mortality in the heparin group (46/420 (11%) versus 35/423 (8%); Peto odds ratio 1.39; 95% confidence interval 0. 86 to 2.23). Data were inadequate for all other outcomes including wound complications. There is insufficient evidence from five trials, involving 644 patients, to establish if LMW heparin was superior to U heparin. Most trials evaluating heparins had methodological defects. Four trials, involving 442 patients, testing mechanical pumping devices were also methodologically flawed, and so pooled results need to be viewed cautiously. Mechanical pumping devices may protect against DVT (12/202 (6%) versus 42/212 (19%); Peto odds ratio 0.24; 95% confidence interval 0.13 to 0.44). Although the limited data indicated a potential benefit, they were inadequate to establish any effect on the incidence of pulmonary embolism and overall mortality. Problems with skin abrasion and compliance were reported. REVIEWER'S CONCLUSIONS: U and LMW heparins protect against lower limb DVT. There is insufficient evidence to confirm either protection against pulmonary embolism or overall benefit, or to distinguish between various applications of heparin. Foot and calf pumping devices appear to prevent DVT, may protect against pulmonary embolism, and reduce mortality, but compliance remains a problem. Good quality trials of mechanical methods as well as direct comparisons with heparin should be considered.

Anticoagulants↗
PubMed1999

The soft tissue management of children's open tibial fractures.

A series of 49 children admitted with a diagnosis of open tibial fracture was reviewed with particular regard to soft tissue management. Injuries were grouped according to the Gustilo classification. Twenty-two patients had Grade I fractures, 11 Grade II and 16 Grade III (4 Grade IIIa, 11 Grade IIIb and one Grade IIIc). Patients were managed by early lavage and debridement under general anaesthesia, followed by immobilisation. Local transposition flaps were utilised in 10 patients and provided reliable soft tissue cover. A free tissue transfer was performed in only one patient. Complications appeared to be associated with delayed involvement by plastic surgeons.

Adolescent↗
PubMed1998

The epidemiology of humeral shaft fractures.

We have analysed 249 consecutive fractures of the humeral shaft treated over a three-year period. The fractures were defined by their AO morphology, position, the age and gender of the patient and the mechanism of injury. Open fractures were classified using the Gustilo system and soft-tissue injury, and closed fractures using the Tscherne system. The fractures were classified as AO type A in 63.3%, type B in 26.2% and type C in 10.4%. Most (60%) occurred in the middle third of the diaphysis with 30% in the proximal and 10% in the distal third. The severity of the fracture and soft-tissue injury was greater with increasing injury severity. Less than 10% of the fractures were open. There was a bimodal age distribution with a peak in the third decade as a result of moderate to severe injury in men and a larger peak in the seventh decade after a simple fall in women.

Accidental Falls↗
PubMedDate not supplied

Reossification and fusion across the acromioclavicular joint after arthroscopic acromioplasty and distal clavicle resection.

Arthroscopic acromioplasty and distal clavicle resection has now become an accepted method of treatment for acromioclavicular (AC) joint arthritis. Complications following arthroscopic acromioplasty are relatively uncommon and include instrument breakage, hematoma, traction neuropathy, infection, acromial fracture, reflex sympathetic dystrophy, and recurrence of symptoms. Although heterotopic ossification within the soft tissues has also been reported, complete reossification of the resected clavicle has not. We report a case of reossification of the clavicle and fusion across the AC joint following arthroscopic acromioplasty and distal clavicle resection.

Acromioclavicular Joint↗