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Biomedical subjects

J Probst

Publications and source records attributed to J Probst.

At least 19 recordsLinked to original sources

[Quality of life and economical significance].

A good healing result is, of itself, not a measure of life-quality, but only a factor within a complex of values. Throughout time, its significance corresponds to the degree of evolution of the medical profession, and especially that of preservation and reconstructive surgery. Subjective perception, satisfaction with treatment, preservation or impairment of physical abilities, illness in the broadest sense, and finally terminal despair or even death are criteria of the value termed life quality. A key function of the rehabilitation process lies in the confrontation with its result, only the acceptance of a deficient state leads to the regaining of life-quality, this may necessitate a reappraisal of values (delcredere). To secure life-quality after injury is not only a question of financing the individual case, but a matter of economical significance in view of the reclaiming of resources once the injured are reintegrated. This reclamation will be the greater, the more quickly and thoroughly rehabilitation is accomplished. Rehabilitation, in turn, depends upon the adequate development of treatment possibilities, including hospital structures within which performance standards must be conveyed.

Costs and Cost Analysis

[Intra-operative complications in arthroscopic operations. Results of a re-arthroscopy study].

The overall complication rate of arthroscopy and arthroscopic procedure is very low. Iatrogenic arthroscopic joint lesions, especially the alteration of articular cartilage does occur, but there is no idea of proportions and importance of these lesions. Persistent pain and swelling after arthroscopic procedure lead to repeat arthroscopy and therefore to a check of diagnosis and treatment. From 1. 1. 1987-30. 6. 1990 we carried out 239 second-look arthroscopies of knee joint, 121 after diagnostic arthroscopy and arthroscopic procedure. In 34% we had to revise the first diagnosis. After arthroscopic procedure we saw in more than 50% unsatisfactory results. The most important reason for persistent symptoms after arthroscopic meniscectomy were cartilage lesions.

Arthroscopy

[Partial causality in case of physician liability].

The specific theories about causality related to the different branches of law do have importance in the politics of rules. In civil law and physician liability law as well the theory of adequacy is valid. This theory selects only certain conditions as legally effective out of the abundance of all existing conditions. In physician liability law it typically happens, that indifferent chains of cause and effect coincide, what matters is to distinguish one from another and according to conditions to determine the partial causality which has to be attributes to the physician. The example of the untreated peri-lunar luxation and subsequent lunar necrosis illustrates the legally effective problematic nature of two causes.

Germany

[Sequelae and evaluation after distal radius fractures].

The sequela of fractures of the distal radius show the same variety as the fracture models themselves, depending on conservative or operative repositioning. The most frequent disadvantages are deviation of the bone axis, depression of the basis of the radius, steps in the cartilage plain and rough deformity. Most important are the arthrotic changes in the joint, such as entrapment and compression neuropathies. The sequela of fractures in children, adults and the aged differ. The purpose of the expert appraisal is not only to assess the damages after fracture but also to give new proposals for further therapy.

Diagnostic Imaging

[Technics of primary and secondary amputation of the foot].

Maintenance therapy of the traumatized foot by partial amputation, in contrast to lower-leg amputation with subsequent artificial leg adjustment, should always be attempted if there is any possibility of shaping a stump that is independent of the prosthesis. As in former years, the disarticulation technique is performed; however, today the technique has been modified to obtain more functional results and to conserve tissue, which may mean that transosseous amputation is practicable. The quality of the soft-tissue flap and stability are the determining factors in the quality of the stump. These prerequisites mean that the operative technique must be adapted to the requirements of the patients; the soft tissue must be preserved and procedures used that will permit reconstructive procedures later.

Amputation, Surgical

[Resection of the coracoacromial ligament. A simple surgical procedure for decompression of the subacromial space].

Resection of the coracoacromial ligament is a simple method for decompression of the subacromial space. The operation can be performed under arthroscopic control or by means of a small incision above the ligament. 61 patients were operated on by this method during the period between July 1987 and August 1988. 37 patients were questioned regarding the results. In 40% of these there was an alleviation of pain, 48% had an improved motility and 67% would again agree to the operation that appeared indicated (in the patients referred for surgery) both in the impingement syndrome and in antiquated ruptures of the rotator cuffs.

Acromion

[Synergistic joint diagnosis].

Many methods are useful in the diagnosis of diseases of the joints. Noninvasive methods deserve preference; invasive techniques such as arthrography and arthroscopy are second choice, after noninvasive methods have been applied. The synergic combination of the two last-named methods has proved successful. Arthrography, performed before arthroscopy in the operation theatre, supplements arthroscopy findings and extends the diagnostic value of the arthroscopic findings, in a similar manner as the combination of computed tomography and arthrography.

Arthrography

[Special aspects in the evaluation of patients with burn injuries].

A severe burn should be considered as not only damage to the skin surface but also as an injury to the whole metabolism. All the life endangering complications should be checked by the internist, the urological, and the neurological physician. Special consideration has to be given to contraction of the scars and their influence on strength and flexibility. The formation of keloid scars and instability are further problems to be overcome.

Burns

[Significance of ultrasound study in accident surgery].

Diagnosis via sonography has recently become firmly established also in accident surgery because of its manifold possibilities of application. The fact that the equipment is very mobile is of particular advantage in this field. It enables detection of intra-abdominal and intra-thoracic lesions, and to diagnose sequelae as well as associated diseases, especially in polytraumatised patients. If applied to the limbs, it becomes possible to discover particularly well all changes in the soft parts, such as haematomas, abscess formation, or effusions. This supplies important pointers towards deciding whether surgery should be performed, and in what way. The importance that sonography has gained in accident surgery is illustrated by the multifarious case reports covering a broad spectrum of different accidents and lesions.

Accidents

[Utilization of Raoul Hoffman's Fixateur externe: indications and results].

In the Berufsgenossenschaftliche Unfallklinik Murnau (a Workmen's Association Emergency Hospital) 101 patients were treated with the Raoul Hoffmann-Fixateur externe. In patients with fresh bone fractures this system was very useful in cases with large soft tissue damages, with compound fractures and when the fractures were located very close to a joint. Good results were achieved also in the treatment of patients with pelvic fractures by using the Raoul Hoffmann-apparatus. In cases of old fractures no osteomyelitis occurred after introducing the nails and bone-screws of the Fixateur externe. Even with the Raoul Hoffmann-apparatus still in the bone physical therapy and the general care of the patient was easily possible. According to our experiences the Fixateur externe proved to be a valuable aid in traumatology besides the usage of plates and medullary nails.

Arthrodesis

The mechanical, enzymatic and morphological changes in acute pulmonary insufficiency following the production of a haematoma in rabbits.

The production of a haematoma in the hindleg of rabbits represents a simplification of post-traumatic models. The lungs, one of the target organs, show similar micromorphological alterations to those described in traumatised human beings. The lungs of rabbits, bearing a hindleg haematoma for 24 hr, showed a significantly increased incidence of micromorphological lung alterations compared to the control group. Moreover, measurement revealed a significantly decreased lung compliance within the haematoma groups. It was demonstrated that whether the haematoma was subcutaneous or intramuscular, similar alterations were seen in lung histology, and in lung compliance values. Studies on the activity of superoxide dismutase in lung tissue homogenates demonstrated a significant decrease in those rabbits having had a haematoma intramuscularly for 24 hr.

Acute Disease

Microcirculation and blood volume in rats before and after spinal cord injury.

Blood flow, cardiac output, blood pressure, indicator mixing time and blood volume were measured in rats before and after spinal cord injury. After cutting off the spinal cord blood flow decreases markedly in the paraplegic area but also in the main organs of the animals. Only the blood supply of the lung increases by this manipulation. As blood volume and the blood pressure is decreased and the indicator mixing time delayed the situation of the spinal cord injury can be compared with the situation after acute blood loss. Therefore it is proposed to include circulatory disturbances into the conception of the acute spinal shock situation.

Animals