British medical bulletin
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British medical bulletin · Jan 2007
ReviewRepetitive shock wave therapy for lateral elbow tendinopathy (tennis elbow): a systematic and qualitative analysis.
Pooled meta-analyses of statistically and clinically heterogeneous data of randomised-controlled studies are difficult to interpret. Therefore, a qualitative study-by-study assessment was thought to be of greater relevance, to physicians confronted with a therapy-resistant tennis elbow patient, to determine the effectiveness of shock wave therapy (SWT) for lateral elbow tendinopathy. ⋯ With current studies heterogeneous in terms of the duration of the disorder; type, frequency and total dose of SWT; period of time between SWT; type of management and control group; timing of follow-up and outcomes assessed, a pooled meta-analysis of SWT for lateral elbow tendinopathy was considered inappropriate. In a qualitative systematic per-study analysis identifying common and diverging details of 10 randomized-controlled trials, evidence was found for effectiveness of shock wave treatment for tennis elbow under well-defined, restrictive conditions only.
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Trachoma is the most common infectious cause of blindness worldwide. It afflicts some of the poorest regions of the globe, predominantly in Africa and Asia. The disease is initiated in early childhood by repeated infection of the ocular surface by Chlamydia trachomatis. ⋯ This involves surgery for trichiasis, antibiotics for infection, facial cleanliness (hygiene promotion) and environmental improvements to reduce transmission of the organism. Where this programme has been fully implemented, it has met with some success. However, there are significant gaps in the evidence base and optimal management remains uncertain.
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AREAS OF GENERAL AGREEMENT: Total creatine kinase (CK) levels depend on age, gender, race, muscle mass, physical activity and climatic condition. High levels of serum CK in apparently healthy subjects may be correlated with physical training status, as they depend on sarcomeric damage: strenuous exercise that damages skeletal muscle cells results in increased total serum CK. ⋯ Total serum CK activity is markedly elevated for 24 h after the exercise bout and, when patients rest, it gradually returns to basal levels. Persistently increased serum CK levels are occasionally encountered in healthy individuals and are also markedly increased in the pre-clinical stages of muscle diseases.
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Most procedures to treat refractive error are based on laser surgery, but other techniques are available. We review the relative advantages and the risk associated with the different surgical options. ⋯ Because refractive surgery is an area of rapidly developing technology, the relative benefits of the different surgical options remain uncertain. AREAS TO DEVELOP RESEARCH: Controlled trials are needed to provide better guidance as to the relative merits of the different surgical options. Better interventions are required to minimize the biological response after laser surface treatment to eliminate the need for mechanical cutting of a flap for laser in situ keratomileusis. An effective surgical treatment for presbyopia is awaited.
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Acute stroke is a treatable condition. Over the last 10 years, the benefit of a number of acute strategies has become established and evaluation of other potentially beneficial interventions is underway. This review will discuss the evidence-based management of the acute stroke patient, consider barriers to provision of such care and update the reader on emergent strategies, which may form part of stroke management in the future.