Publications by authors named "Per Wessberg"

Background: Progressive moderate scoliotic curves in patients with adolescent idiopathic scoliosis (AIS) are usually treated with a fulltime brace, e.g., the Boston brace (BB).

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Purpose: The aim of the present study was to examine the natural history in patients with lumbar spinal stenosis. The incidence of surgery for this condition has increased considerably during the past decades in spite of a fairly favorable natural history in previous studies.

Methods: 146 consecutive patients with clinical signs and image findings of lumbar spinal stenosis, who were not recommended surgical treatment, were followed; the reason as to why surgery was not recommended was a moderate symptom level.

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Study Design: Prospective observational study.

Objective: To investigate the potential association between fibrinogen, bleeding, and transfusion requirements after scoliosis surgery.

Summary Of Background Data: Bleeding complications during and after orthopedic surgery are associated with increased morbidity and mortality.

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Study Design: Validation study.

Objective: A system for patient self-recording on a computer touch-screen was developed. The validity of this method compared with the use of regular paper-and-pen questionnaires was studied.

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Study Design: An outcome study of patients with neurogenic claudication and/or sciatica with hidden stenosis, detected only by axial loading of the lumbar spine (ACE) but not at the traditional unloaded examination (psoas relaxed position) during computed tomography (CT) myelography or magnetic resonance imaging (MRI), followed up after surgery.

Objective: To estimate the clinical effect of decompression with or without fusion in patients with hidden stenosis in the lumbar spine.

Summary Of Background Data: A number of patients with neurogenic claudicatio with or without sciatica do not have corresponding imaging abnormalities.

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Study Design: Prospective, patient controlled.

Objective: To compare Cobb angles in idiopathic scoliosis between standing radiographs and a nonradiographic procedure.

Summary Of Background Data: Repeated radiographic examinations at young age may increase the risk for breast cancer in adulthood.

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Study Design: A multicenter randomized study with a 2-year follow-up period and an independent observer was conducted.

Objective: To compare three commonly used surgical techniques to achieve lumbar fusion primarily in terms of their ability to reduce pain and decrease disability in patients with severe chronic low back pain.

Summary Of Background Data: Lumbar fusion can be used to reduce pain and decrease disability in patients with chronic low back pain, and different surgical techniques are available.

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