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Biomedical subjects

A Reichelt

Publications and source records attributed to A Reichelt.

At least 73 records · Page 4Linked to original sources

[Studies on the socio-medical and psychological situation of persons suffering from osteogenesis imperfecta tarda (author's transl)].

A group of 22 patients suffering from osteogenesis imperfecta tarda were evaluated on their school and vocational education, sport activities as well as personality development with the help of follow-up studies, questionnaires or medical records. 21 patients had at least received elementary school education and had been average or good pupils. Five of six patients who had meanwhile reached adulthood had received higher education and vocational training. Owing to their disease five of six patients had to give up their original jobs or occupational plans. There was only one female patient who had received vocational guidance. Of ten children and six adults five and four respectively carried out sports in their leisure time. To improve the patients' situation it is immediately necessary that (1) the parents be informed of the nature of the disease as well as its heridity, and be advised how to handle these children; (2) the patients and their parents receive educational and vocational guidance.

Adult↗

[Lunatomalacia therapy. II. Operative treatment (author's transl)].

This report concerns the post-operative examination of 26 patients operated for 27 lunate bone necrosis. The following treatments were given: conservative (7), alloplastic (6), partial or total wrist arthrodesis (6), interposition tendon graft (5) and denervation of the wrist (1). The longest period of observation, an average of 13 4/12 years (maximum 21 years) was with the methods which have been grouped together under the heading conservative, after A. Beck (2), Konjetzny (2), Schneider (2), and Matti (1), the shortest period with the alloplastics and interposition tendon graft. Strict criteria were applied and the conservative method was judged "good" in only 2 cases whereas the interposition tendon graft, despite several disturbances in the carpal structure, produced 3 good subjective results. The metal endoprosthesis, which cannot be sutured, is not to be employed again because of the possibility of complications. A report on the results of arthrodesis of the wrist has already been published (Reichelt, 1973, 1975).

Adult↗

Antibiotic prophylaxis in allo-arthroplastic hip joint surgery. Concentration assays in the wound exudate after parenteral administration of gentamicin.

The indecation and the efficacy of antibiotic prophylaxis in endoprosthetic operations are discussed with reference to prospective studies. After parenteral administration of 80 mg gentamicin the antibiotic concentrations in the serum and in the wound exudate were studied for 2 to 6 hrs after administration. During this observation period the gentamicin concentrations in the wound exudate were about equal to those in the serum. A comparison of the concentrations after parenteral and after local administration of gentamicin showed much higher concentrations in the wound exudate when gentamicin was administered with the bone cement.

Administration, Topical↗

[The development of the dysplastic hip joint after conservative treatment (author's transl)].

The roentgenograms were evaluated of 220 patients (159 female, 61 male) with 61 luxations, 77 subluxations and 203 dysplastic hip joints which were a maximum of 2 years old during treatment and had been under observation for between 2 and 17 11/12 years. The CCD-, CE- and Ac-angles were measured. 1. The CCD-angle develops relatively independent of the therapy for the first few months. In the long term, the abduction treatment leads to a straightening up of the femoral neck. Here a physiological component apparently has an effect which reduces the straightening after several years. 2. The CE-angle rapidly becomes enlarged during the first few months, later the rate is slower. Three years after treatment began, the CE-angle was normal in 83.6% of the patients. 3. The Ac-angle decreases rapidly during the first 6 months. Three years after the beginning of treatment, 65.7% of the patients had a norm of less than 20 degrees. 4. All angles show a positive correlation of their beginning and end values i.e. light dysplasias have the best prognosis. 5. The monotherapy with a spreader pant showed a particular advantage over the combination treatment and plaster fixation. 6. The best result was achieved with treatment beginning before the age of 6 months. Boys showed a better tendency to heal. A difference in sides could not be shown.

Age Factors↗

[Lunatomalacia therapy. I. Conservative treatment (author's transl)].

The results of the conservative treatment of 12 patients with lunatomalacia are reported on. If we take into consideration the subjective data as well as the clinical and roentgenological evidence, only 2 can be considered "good". On the other hand there were 5 "fair" and 5 "poor" results. In spite of the predominance of disappointing results, the conservative treatment can lead to very good late results. The comparison with operative measure about which there will be reports later, shows these operations have no real great advantage.

Adolescent↗

[The B.S.R. after total hip-replacement (author's transl)].

Out of 327 patients followed up for at least 2 years the changes in the B.S.R. of 260 patients with an uncomplicated postoperative course, of 10 patients with early and 11 with late infection were analyzed. Where there were no complications the BSR falls quickly and reaches its lowest level after 6 months. In early and, surprisingly, also in late infection the BSR is high and does not show any tendency to return to normal.

Adult↗

[The development of the dysplastic hip-joint following intertrochanteric rotating varus-osteotomy (author's transl)].

Evaluation of radiographs of 267 children with 465 intertrochanteric rotating varus osteotomies, carried out between the ages of 15 months and 14 1/2 years. The period of follow-up varied between 2 and 15 1/4 years. 1. The CCD angle on the last radiograph was normal in 77%, once more in values in 16.2%, coxa vara in 7%. 2. The AT angle was about normal only in 58.3% (0-20 degrees); it relapsed in 8.4% (over 35 degrees); in 8.8% a corrected angle did not return after retrorotation, particularly on the left. 3. The Ac angle was normal in 63.3%. 4. The CE angle corresponded to the norm in 59.1%. 5. Good late results (normal angles and shape of head) occur only in 20%. If one omits the AT condition, they rise to 40%. 6. The main causes of return of valgus appear to be: too early operation before the fifth year, mainly when disregarding the dysplastic acetabular roof, insufficient correction of the CCD angle of over 115 degrees, and technical faults. For physiologic weightbearing by the acetabular roof an AT angle of 10 appears necessary. 7. When dysplasia of the acetabular roof is present, the polyaxial correction of the proximal end of femur must be combined with acetabuloplasty or pelvic osteotomy.

Adolescent↗