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Clinical application study of externally powered upper-limb prosthetics systems: the VA elbow, the VA hand, and the VA/NU myoelectric hand systems.

The results have been presented of a 2-year survey designed to determine whether external power systems offer a significant contribution to the needs of the upper-limb amputee or whether they represent novelties duplicating the functions of conventional mechanical components. The following conclusions have been drawn: 1. External power does offer advantages to the arm amputee. Myoelectric control, especially combined with a self-suspending socket, offers an otherwise normal partial forearm amputee better function without the necessity of a harness. External power, especially for the short partial or total arm amputee and others with limited excursion, brings increased function with less effort. For these patients the advantages of such components as the electric elbow outweigh the recent disadvantages. 2. The components evaluated in this Study are not without limitations. Maintenance requirements of the VA Elbow were excessive. The VA Elbow should not be prescribed for patients who do heavy work with their prostheses because the flexspline may break. Regarding such concerns as lack of sensory feedback, noise, weight, and flexion/extension speed, the advantages of each unit must be weighed against the disadvantages with preference to the individual amputee. 3. The endoskeletal forearm with soft cover is an advantage because of its lightness and cosmesis. 4. Because of the many malfunctions attributed to prosthetist errors, the need is evident for thorough specialized education in the field of external power. A few centralized fabrication facilities may be desirable as opposed to fabrication by many facilities with limited experience. Modular components that are interchangeable and field repairable would be desirable. The systems should be fitted, installed and repaired only by trained prosthetists who have successfully completed a course in externally powered upper-limb prostheses. All members of the Clinic Team should be thoroughly educated in external power as it is related to prosthetics. 5. Many malfunctions were due to patient misuse. Patients, too, after careful selection must be given thorough training in the care and use of externally powered components, including the limitations and capabilities of these devices. 6. Finally, and most important, the Clinic Team must be recognized as the focal point for the selection of patients and prescription of devices. Each patient must be carefully screened for information such as occupation, motivation, prosthesis use (as opposed to wear), ability to learn and follow through with instructions (charging batteries, etc.), and most importantly, the benefits that external power can offer.

Adolescent↗

[A case of secret self-mutilation--artificial hand edema by hand self-constriction].

Edema caused by surreptitious self-mutilation leads to special diagnostic and therapeutic problems because the causal psychic illness is not immediately obvious or appears insignificant due to the diagnosis of edema and the frequent desire of the patients for invasive measures. The quickest clarification is achieved by contacting an experienced lymphologist, who can often classify the swelling as artificial edema at a glance. In order to avoid any secondary damage arising from the edema, it should be reduced as quickly as possible by referring the patient to a lymphological clinic for therapy. Thus, invasive diagnostics would certainly be avoided, and the patient's desire for invasive procedures circumvented by conservative therapy. A psychiatric/psychosomatic specialist must be consulted. Cooperation between patient, physicians in practice and hospital should be established as early as possible. In difficult cases, the patient should be referred to a psychiatric hospital. Even for the experienced lymphologist, cases in which Sudeck's disease in the congested extremity has to be taken into account and the compliance of the patient is restricted present particular problems.

Adult↗

An epidemiological study of hand eczema. III. Characterization of hairdressers with and without hand eczema, regarding demographic factors and medical histories.

The aim of this study was to compare, by stratification, subgroups of hairdressers. Three groups were considered: Group I (102 persons) consisted of hairdressers reporting skin affection at the time of completing an earlier mailed questionnaire (point prevalence). Group II reported exanthema prior to completing, while group III reported not having had exanthema at all (51 and 50 persons, respectively). No significant difference was found between these groups with regard to age and duration in work. The mean number of months since start of disease was significantly higher for group I (64 (range: 0.5-552)) than group II (7 (range: 0.6-38)). The frequency of atopic dermatitis was 12.7% (C.I: 6.3-19.2) in group I, compared with 3.9% (C.I: 0.0-9.2) in group II and none in group III. This difference between groups was significant. A significantly higher extent of sick leave was found in group I, compared to group II.

Adult↗