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Biomedical subjects

A Renner

Publications and source records attributed to A Renner.

At least 91 records · Page 5Linked to original sources
PubMed1977

[Glomus tumor].

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Adult↗
PubMed1976

[Ultrastructural changes of human skeletal muscle after tendon and nerve injuries. I. Fine-structural changes of the hand muscles after tendor injuries (author's transl)].

During reconstructive procedures performed 4--16 weeks after the tendon lesion the specimens obtained from the injured muscle have been examined by the authors. It was found that after the tendon injury inactivity atrophy develops and a condition of equilibrum could be observed at this time. The most important changes in the fine structure were seen in the contractile elements: there were atrophied, homogenized, fragmentated and ragged independently from the functional unities. The number of the mitochondria was considerably decreased, the sarcoplasmatic reticulum was increased, and the difference between the originally red and white muscular fibres was indistinct. The glycogen content of the musculature was decreased, or it disappeared completely. No pathological changes have been observed in the sarcolemme, the cell nuclei and the motor nerve end-plates.

Adolescent↗
PubMed1976

[Ultrastructural changes of human skeletal muscle after tendon and nerve injuries. II. Fine-structural alterations of the hand muscles after injuries of the motor nerve (author's transl)].

The authors examined the fine structural alterations of the muscles after traumatic neurotomy. The most important changes were forro found on the contractile elements, especially atrophy, and fragmentation. The number of mitochondria and sarcoplasmatic reticulum decreased both the glycogen content of sarcoplasma increased. The motor end plates were complete destroyed. On the motor motor-neurons typical Wallerian degeneration could be seen.

Adult↗
PubMed1976

[Treatment of contracture of the finger joints by capsulectomy and spring-splints].

The treatment performed in 84 cases of contracted PIP articulations is reported, -in 50 cases the treatment has been carried out with spring-actuated splint and in 34 cases with capsulectomy. It has been found by the authors that the results of the physico-therapeutic treatment used so-far may be still more improved, -satisfactory result has been obtained in more than the half of the author's cases. The advantages of the use of the spring-acutatd splint as against Quengel's method are emphasized. Capsulectomy performed in very serious cases resulted in improvement of the articulation motion in 50% of the cases.

Contracture↗