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Biomedical subjects

Elhanan Luger

Publications and source records attributed to Elhanan Luger.

4 recordsLinked to original sources
PubMed2004

Very long-term radiographic and bone scan results of frozen autograft and allograft bone grafting in 17 patients (20 grafts) a 30- to 35-year follow-up.

In the early 1950s, 48 patients received bone implants from a bone bank in Tel-Hashomer Hospital that stored frozen autograft and allograft bones at temperatures less than -17 degrees C. Seventeen (35%) of these patients (20 implants), 10 men and 7 women, with a mean age of 52.4 (34-69) years were available for follow-up after a mean period of 32.5 (30-35) years. They underwent clinical examination, radiographs and bone scans to evaluate their surgical results. Fracture healing, non-union, graft resorption, osteoporosis and bone sclerosis were used as radiographic criteria for bone incorporation, and normal, increased and decreased uptake served to assess the bone scan. Based on the above criteria, the results were satisfactory in 17 (85%) and poor in 3 (15%). The three failures were after shelf operation for hip dysplasia that used two allografts and one autograft. Allogenous or a combination of allogenous with autogenous frozen bone grafts proved to be a satisfactory and durable method for filling bone defects.

Adolescent↗
PubMed2004

[Posterior tibial tendon dysfunction].

Posterior tibial tendon dysfunction is the most common cause of acquired flatfoot in adults. The posterior tibial tendon is the primary dynamic stabilizer of the medial longitudinal arch of the foot. Various histological alterations in the tendon substance disrupt the normal linear structure of the collagen fibers. As a result the tendon weakens, elongates, tears and its function is compromised. This in turn places the static stabilizers of the arch under excessive stress, which eventually leads to their collapse and formation of pes planovalgus deformity. Many etiologies have been proposed as an underlying cause of posterior tibial tendon dysfunction. The average age at the time of presentation is forty years and many of the patients are women, white, obese and suffer from hypertension. The diagnosis is mainly based on clinical findings and supported by radiographic findings. Posterior tibial tendon dysfunction was classified by Johnson and Strom according to the appearance of pes planovalgus deformity, its flexibility and the development of arthritic changes in the subtalar and ankle joints. In Stage I there is no deformity, in Stage II there is a flexible deformity, in stage III there is a rigid deformity and in stage IV there is an involvement of the ankle joint secondary to long standing rigid deformity of the hindfoot. The initial treatment for any stage should be non-operative and includes immobilization and anti-inflammatory drugs for the acute phase and different kinds of orthotics for the chronic phase. Failure of the non-operative treatment is an indication for surgery. The surgical procedures for the first stage include soft tissue debridement with or without tendon transfer. The surgical procedures for second stage include tendon transfer combined with various osteotomies or joint fusions. The surgical procedures for the third and fourth stages are triple arthrodesis and pantalar arthrodesis respectively.

Flatfoot↗
PubMed2003

[Effects of smoking on orthopaedic disorders and surgery].

It is well known that cigarette smoking is implicated in the etiology of cardiovascular disease, lung disease and a multitude of other types of cancer as well. Smoking is the leading avoidable cause of mortality and morbidity. The orthopaedic community is aware of the relation between smoking and its impact on the results of conservative and surgical treatment. It has been shown that smoking may adversely affect bone metabolism, lumbar disk disorders, fracture and wound healing. Most of the available data did provide varying degrees of correlation between smoking and orthopaedic conditions. In this review we attempted to summarize and present the clinical data regarding smoking and its impact on orthopaedic disorders and surgery.

Bone Diseases↗