Ari Hiltunen

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The distinction among an acute tear, acute symptoms of a chronic tear, or the acute extension of an existing chronic tear is very difficult, if not impossible, to make. In general, operative treatment of lesions with a sudden onset has yielded favorable results in many studies. However, the timing of the operation for tears with an acute onset of symptoms(More)
AIM This paper is a report of a study to compare orthopaedic ambulatory surgery patients' knowledge expectations before admission and their perceptions of received knowledge 2 weeks after discharge. BACKGROUND Advances in technology and population ageing are driving up the number of ambulatory orthopaedic surgical procedures. Shorter hospital stays(More)
This empirical study aimed to describe the ambulatory surgical patients' information and control preferences with reference to received knowledge. The results indicate that patients' information preferences and behavioral preferences are not very high, and they seem to receive most knowledge in the biophysiological domain. The most important finding is that(More)
Integrins mediate cell adhesion to extracellular matrix components. Integrin alpha 1 beta 1 is a collagen receptor expressed on many mesenchymal cells, but mice deficient in alpha 1 integrin (alpha1-KO) have no gross structural defects. Here, the regeneration of a fractured long bone was studied in alpha1-KO mice. These mice developed significantly less(More)
Neurofibromatosis type 1 (NF1) is an inherited disease with an incidence of about 1:3000 worldwide. Approximately half of all patients with NF1 present osseous manifestations, which can vary from mild to severely debilitating changes such as congenital pseudarthrosis. In the present study, fracture healing of mouse tibia was followed and specimens were(More)
Conservative therapy has been recommended for the treatment of a chronic cuff lesion with relatively good results. However, recent reports about operative treatment of cuff lesions have yielded more favorable results. Although the current literature seems to favor early treatment, there is an ongoing debate about the timing of the operation. During a(More)
Fractures still present a significant burden to patients due to pain and periods of unproductivity. Numerous growth factors have been identified to regulate bone remodeling. However, to date, only the bone morphogenetic proteins (BMPs) are used to enhance fracture healing in clinical settings. Activins are pleiotropic growth factors belonging to the TGF-β(More)
There is a lot of health related information in the Internet. However a little is known about the quality of that. The purpose of this study is to analyze the structure and the applicability of the empowering internet based ambulatory surgery patients' education program. The education material was created and tested for this study. The structure is(More)
Osteochondritis dissecans (OCD) of the humeral capitellum is a disorder affecting mainly boys between the ages of 12 and 15 years. The exact etiology of OCD is not clear, but it is believed that repetitive trauma is the primary cause. Genetic factors are thought to play a secondary role in the pathogenesis. We present 17-year-old identical twins with(More)
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