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Biomedical subjects

W Schmitt

Publications and source records attributed to W Schmitt.

At least 19 recordsLinked to original sources
PubMed1992

[Infected chorionic hematoma as a cause of infection in the 2nd trimester].

Superinfected subchorionic haematomas are a rare septic focus in the 2nd trimenon. Symptoms being unspecific, the diagnosis has to be made by exclusion, in most cases. As the changes of a successful treatment of the manifest infection is poor, antibiotic prophylaxis as well as close laboratory controls and early antibiotic therapy should be discussed after sonographic diagnosis of an intrauterine haematoma. Two of our three patients reported on having suffered a miscarriage; only one pregnancy could be maintained after spontaneous depletion of the infected haemorrhage.

Adult↗
PubMed1992

[The computer-assisted processing of CT data in planning endosseous implantation interventions].

The success of dental implantologic measures depends considerably on the correct positioning of the endosseous implants. A sufficient amount of bony substance is mandatory to provide overall covering of the implant with at least 1 mm of cortical bone. By the aid of a custom-developed software system, computed tomography image data can be handled on a conventional MS-DOS personal computer. The user is enabled to simulate size and positioning of the implant by interactive graphic animation. Quick and exact presentation is achieved by optimizing the computation algorithms. Storage needs are minimized by a segmentation procedure and additional compression of the image. Integrated patient data management and user friendly self-documenting program surfaces provide easy application.

Computer Graphics↗
PubMed1992

[Suitability of metric structural criteria in vaginal ultrasound assessment of the postmenopausal endometrium].

In 135 postmenopausal women ultrasonic findings of the endometrium were compared with the final histopathology. Object of this study was to evaluate the ability of metric structural criterions for a vaginosonographic screening of benign and malignant endometrial neoplasms. A sonographic assessment of the endometrium was possible in 97.8% of the patients; anatomic peculiarities such as calcified fibromyomata proved to be the main-impediments. By means of the criterions examined the sensitivity for the differentiation of inconspicuous and pathological findings was 100% with a 98.2% specificity; the rate of wrong-positive results was 1.6%. In 9.2% ultrasound was classified as conspicuous requiring further controls. According to these results the vaginosonographic assessment of the endometrium regarding its thickness and structure (homogeneity, echogeneity, median echo) can be recommended for a non-invasive screening for endometrial neoplasms.

Aged↗
PubMed1979

[Antiseptics and aseptics in changing times].

The history of wound healing is a series of errors not to be understood today. Historical aspects of anti- and aseptis are dealt with; the merits of Ignaz Semmelweis, Joseph Lister and Robert Koch are stressed; conclusions for the time being are drawn.

Antisepsis↗
PubMed1979

[Martin Kirschner on the occasion of his 100th birthday (author's transl)].

This paper is dedicated to Martin Kirschner one of the outstanding German surgeons of the first half of this century. Many of the inventions and improvements Kirschner made have stood the test of time till today. It was Kirschner who recommended to stretch the stomach for replacing the oesophagus. He practiced for the first time successfully an embolectomy out of the pulmonary artery (1924!). Kirschner improved the wire traction procedure decisevely. Of the same importance is his literary work.

Fracture Fixation, Internal↗
PubMed1978

[Antibody response to somatic and flagellar antigens of Pseudomonas aeruginosa (author's transl)].

Using the indirect fluorescent antibody technique, the production of antiflagellar and antisomatic antibodies in rabbits immunized with different P. aeruginosa strains is measured. After 6 injections of formalinized cultures in graded doses over 3 weeks, the antiflagellar antibodies reach the peak in the 4th to 5th week, followed by a rapid fall. The antisomatic antibodies reacting with native and boiled cells show a plateau-shaped maximum from the 3rd to 5th/6th week and fell slightly up to the 11th week. A significant dissociation of antiflagellar and antisomatic antibodies, however, is not observed. The antisomatic antibodies are less absorbed by protein A (Staph. aureus) than are the antiflagellar antibodies.

Absorption↗
PubMed1978

[P. L. Friedrich and the problem of wound infection (author's transl)].

For the first time P. L. Friedrich proved wound infection to be a local process for 6 to 8 hours. After total excision such wound can be treated like a sterile one. For the first time Friedrich also realised the importance of this time-limit which however was often misinterpreted. He never excised wounds in his patients totally, but always practised wound débridement after von Bergmann-Lexer.

Debridement↗
PubMed1978

[Lantern slides (author's transl)].

Bad projection of lantern slides impairs every paper. Causes are incorrect conception of the slide, insufficient projection. The conditions of optimal projection are discussed in detail (projector, screen, room-image factor, optics, lay out of slides).

Audiovisual Aids↗
PubMed1977

25-hydroxy-vitamin-D in nephrotic syndrome.

Serum-25-hydroxy-vitamin-D (25-OHD) nephrotic syndrome (N.S.) without renal insufficiency (urinary protein excretion greater than 3-5 g/24 h/1-73 m2; glomerular filtration-rate greater than 80 ml/min/1-73 m2). Serum-25-OHD levels were low in patients with N.S. (mean 19 nmol/1, range 4-41 nmol/1), compared with a normal range of 25-200 nmol/1. Serum-concentrations of Gc-globulin--the binding protein for vitamin D and its metabolites (D.B.P.)--were significantly (P less than 0-001) lower in patients with N.S. (mean 340 mg/1, range 190-480 mg/1) than in non-proteinuric controls (mean 440 mg/1, range 376-510 mg/1, measured by radial immunodiffusion). In contrast to non-proteinuric urine, urine of all N.S. patients contained a large amount of 25-OHD-binding capacity; D.B.P. could be detected in all N.S. urines after concentration. Scatchard analysis of the urine demonstrated the presence of a low-affinity and a high-affinity binding protein (tentatively identified as albumin and D.B.P.). These results suggest an acquired deficiency of circulating 25-OHD in N.S. secondary to urinary loss of protein-bound 25-OHD. The biological relevance of the low 25-OHD levels is unknown. There was no clinical evidence of osteomalacia (X-ray, serum-alkaline-phosphatase); however, slightly elevated serum-parathyroid-hormone (P.T.H.) levels would be compatible with borderline vitamin-D depletion.

Adolescent↗
PubMed1977

[Some new aspects on appendicitis (author's transl)].

50% of all perforations of the vermiform appendix happen 12 hours or less after onset of the disease. Due to the fact that appendectomy is often done too late that the total mortality rate is still to high. This refers especially to infants and elderly people. Prae-, intra- and postoperative mistakes are analysed. Bacteriologically there are some new aspects concerning anaerobic infections with Bacteroides and Yersinia enterocolitica.

Anti-Bacterial Agents↗