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Biomedical subjects

J Probst

Publications and source records attributed to J Probst.

At least 37 records · Page 2Linked to original sources

[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↗

[The stiff hip (post-traumatic ankylosis)].

The partial or total ankylosis of the hip joint caused directly by an injury or indirectly as a consequence of a trauma is a severe and permanent handicap for the subject concerned. This is due to the fact that, because of its special position at the connection point between body and leg, a not functioning hip joint involves a permanent restriction in many fields of every-day life, above all at the working place, but also in private life. Not only the walking movement, but also the walking performance is restrained, and even the sitting capacity is disturbed, which also has unfavorable consequences. Contrary to ankylosed peripheral joints of extremities, the possibilities of compensation are limited. There are considerable secondary effects to other parts of the body, above all lumbar spine, contralateral hip and both knee joints, which partly will appear much later, when the possibilities of correction are already restrained by the altered function of the affected structures, the muscles especially. Some types of posttraumatic hip ankylosis can be prevented, others need specific therapeutic measures. The pathogenesis of the posttraumatic hip ankylosis does not differ fundamentally from other etiologies. This is why the results of contracture research are also valid for the functional conception and treatment of the posttraumatic hip ankylosis.

Adolescent↗

[Possibilities of application of the fixateur externe at the femur - indications, results (author's transl)].

Besides the methods of screwing of plates and medullary nailing, the fixateur externe (F.E.) is another method which can be considered for treating bone fractures at the femur, F.E. being an exceptional indication. In fresh fractures of the femur, open fractures of the second and third grade as well as debris and multiple-plane fractures are typical indications for F.E. Over and above, F.E. is almost always indicated as an emergency measure in case of initial inoperability (polytrauma, shock, loss of blood, craniocerebral trauma) or continuing general inoperability. F.E. has been found useful to an even greater extent especially in old fractures, refractures, pseudarthroses and infected pseudarthroses. Combined treatment of the infected pseudarthroses with F.E. and Septopal balls has proved particularly effective. The special advantages of F.E. application at the femur are blood-saving surgery requiring relatively little time and technical equipment, avoidance of surgically conditioned infection risk in the fractured region, avoidance of additional denudation of free fracture fragments, long-term applicability, good external stabilization with selective possibility between compression, distraction and neutral positioning of the fractured area, postoperative treatment without dressing, and free access to the fractured area without interfering with the F.E.; furthermore, exchangeability of the F.E., possibility of correcting the position and axis without surgical intervention, non-fixation of the adjacent joints and maintenance of physiotherapeutic treatment possibilities. F.E. is "panacea" and should not be applied without exact knowledge of the static and mechanical and biomechanical conditions and effects. Before resorting to F.E. this must be carefully weighed against the use of internal osteosynthesis methods. It is not a rival method to plate screwing and medullary nailing but rather an auxiliary system whenever these methods are inapplicable or would entail disadvantages.

Femoral Fractures↗

[Upper arm fractures and upper arm shaft pseudarthroses].

An assessment of treatment results achieved during two periods of observation (1953-1976 and 1976-1981) shows that chances of osseous healing are good in fractures and non-unions of the shaft of the humerus, provided the method of treatment had been correctly indicated. Preference should be given to conservative treatment in case of fresh fractures of the shaft. However, if this is not possible, surgery is indicated, as is the case if healing does not take place. Laminar osteosynthesis performed from the dorsal side should be the method of choice, since it combines the advantages of easy surveyability while performing the operation with those of biomechanical stability.

Adolescent↗

[Principles in the indications for osteosynthesis].

Inefficiency in the surgical surroundings, errors and negligence in the preparation, which includes inefficient diagnostic-X-rays, result in the failure of osteosynthesis methods. A poor result requires prompt correction. The various types of osteosyntheses are not necessarily interchangable.

Biomechanical Phenomena↗

[Medical opinion about injuries in the foot area (author's transl)].

One-seventh of all fractures concerns the foot, excluding the malleolus, and injuries of the lower leg and knee are also followed by disturbances in the foot. One-third of the foot injuries lead to a 30% disability. Some of the lesions are often undiagnosed (ligaments, articular cartilage, subtotal luxations of the talus or calcaneus, fractures and luxations of the cuneiform bones I and II and tarsal bones I--III, additional foreign bodies in the metatarsus). For expert opinion anamnesis, complaints, objective findings, and functional state are important. X-ray pictures in two or three directions or tomograms are needed for differential diagnosis. Knowledge of the laws and of jurisdiction is required to form an opinion.

Disability Evaluation↗

[Functional after-treatment, exercises and appraisal after lesions of the knee ligaments (author's transl)].

Lesions of the capsule and the ligaments of the knee joint require immobilization, regardless if they are treated with or without surgery. The plaster cast causes an atrophy of muscles which have an important function together with the capsule. During immobilization isometric tension exercises can work against the atrophy and are useful to regain the full mobility of the joint. The period of immobilization depends on the lesion. Active and to some extent passive exercises, gymnastics in water and combined exercises (e.g. cycling, walking in water) determine the therapy. A mobilization of the joint under anesthesia is excluded. Thermotherapy and massaging are contraindicated for an injured knee. An expert appraisal has to evaluate the injury in connection with the accident and with the degree of damage.

Bursa, Synovial↗