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Biomedical subjects

A Pannike

Publications and source records attributed to A Pannike.

At least 55 records · Page 3Linked to original sources
PubMed1989

[Conventional roentgen diagnosis in traumatology].

The efficacy and efficiency of 5874 diagnostic X-rays at the Department of Traumatology, University Clinics of Frankfurt, West-Germany, were reviewed. Efficiency of the method was extremely high with false results in only 0.00017%. The efficacy of the diagnostic traumatologic X-ray procedures could be markedly increased with a more critical approach in indications and the avoidance of routine diagnostic X-rays mainly of the skull. This study shows an optional reduction of traumatologic X-rays of 16% and a concomitant reduction in costs of 17.2%.

Adult↗
PubMed1988

[Sprains and dislocations of the wrist joint and carpal bones].

In case of persistent swelling and painful limitation of mobility, "distorsion" can be accepted as the definitive diagnosis, only if osseous and ligamentous injuries of the wrist and carpus have been ruled out with sufficient certainty. According to current knowledge multiform injuries of the carpus originate from a three dimensional impact of forces, which besides the well-known hyperextension and ulnar deviation of the wrist include intercarpal supination as a rotatory component. Depending on the effective forces and due to the biomechanical strength of the restraining ligaments (which changes in relation to carpal declination), a progressive perilunar instability develops around the lunate bone, extending from the radial to the ulnar side of the radiocarpal joint.

Carpal Bones↗
PubMed1988

[Tibial fractures: plate osteosynthesis using a dorsal approach].

From the Department of the traumatic surgery of the Johann-Wolfgang-Goethe-Universität Frankfurt a.M. 726 injuries of the tibia where treated from 1. 1. 1975 to 31. 12. 1986 and 50 fractures of the tibial bone where stabilised with a AO-DC-plate which where placed posterior of the tibia. The reasons for this are discussed an the results are explained.

Adult↗
PubMed1988

[Fracture treatment of the hand].

Early mobilisation made possible by surgical stabilisation is considered to be the main pre-condition for complete restoration of function after trauma to the hand skeleton. Nevertheless, it should be borne in mind that exceptional capacity of the hand for adaptation may enable that even severely defective results (deviation of axis) can be functionally compensated. This article presents modalities of treatment approved by the author during more than 20 years of hand surgery.

Finger Injuries↗
PubMed1988

[Distal radius fracture: principles of conservative treatment].

The safe conservative treatment of distal radial fractures, aiming at excellent results, is based on a differentiating classification of fracture types. The main crucial implication is that there are instabile fractures that per se are not suit for conservative treatment. The timing of radiologic follow ups as well as of reposition maneuvers, if late dislocation should occur, the classical techniques (R. Jones, J. Charnley, L. Böhler) and A. Sarmiento's functional approach are furthermore presented.

Humans↗
PubMed1986

[Conservative functional treatment of fractures of the thoracic and lumbar vertebrae].

The treatment of fractures of the thoracic and lumbar vertebraes is determined by the (primary) stability or instability of the injury. "Stable" vertebral injuries are defined to affect the firmness of the vertebral column only slightly or not at all. Thus an early mobilization is generally possible without essential losses in shape and function. The dynamic functional treatment of vertebral fractures developed by Magnus and repeatedly modified later on has, together with a physiotherapeutical program containing 13 points, proved successful in the treatment of "stable" fractures of the thoracic and lumbar vertebraes.

Bed Rest↗
PubMed1985

[Experimental studies of ligament replacement].

In a mechanically stable situation (ligament transposition), the material allows capillary vessels to grow into the prosthesis, but it does neither induce the formation of a "neo-ligament" by dody-own tissue nor an interweaving of the nascent parallel collagenic fibres with one another. No direct contact between polyethylene and bone is built at the fixation points. Apparently this material is not suitable for being used as tendon substitute, and its applicability as a ligament substitute is limited because the mechanical properties which are acceptable until 500 days after the implantation are lost after this period and a good tolerance can only be achieved under certain, most restricted conditions.

Animals↗
PubMed1985

Time sequence of osteoinduction and osteostimulation elicited by biologic bone replacement materials.

The combinations of a biologic bone replacement material (BRM), bone gelatine (BG), a matrix extract, with one of the synthetic BRMs, either powderised beta-tricalcium-phosphate (TCP) or particulate hydroxyapatite (HA), as well as BG alone were implanted in muscle pouches and diaphyseal femoral drill-holes in rats. Implantation between one and 21 days. Evaluation by histomorphometry of PMMA embedded undecalcified specimen. In heterotopic implantation bone formation occurred earliest in the BG/TCP combination with highest values for volume density bone and osteoid after 21 days. In orthotopic implantation starting between days 9 and 13 the BG/HA combination stimulated intense woven bone formation with massive ingrowth of vital bone into the HA pores. The biodegradable TCP, by activating the monocyte-/macrophage-system for its degradation, obviously enhanced the already ongoing immunologic reaction to allogeneic BG, thus impeding bone formation and repair.

Animals↗
PubMed1984

[Criteria for the treatment of femoral shaft fractures in childhood. Do post-traumatic rotatory defects require treatment?].

Overgrowth and rotational deformity of the injured leg are sequelae of femoral shaft fractures in children. It is still questioned whether the posttraumatic rotational deformity is corrected spontaneously and whether this leads to arthrosis. An individual follow up of 25 children out of 94 with a malrotation after conservatively treated femoral shaft fracture - two to three times up to 4 years after the accident - showed a spontaneous correction of malrotation in 15 (60%). No prearthrotic sign could be found by physical and roentgenographical examination. In accordance with recent publications these results demonstrate again that in children up to the age often operative treatment of isolated femoral shaft fracture is not indicated, as posttraumatic malrotation is corrected at least to almost physiological values and no extensive study exist so far, which give evidence that malrotation after femoral fracture in children leads to arthrosis.

Adolescent↗
PubMed1983

[Post-traumatic hip dysplasia].

At a traffic accident in 1970 a then 6 year old boy got an impacted fracture of the neck of the right femur with persisting subluxation. This was not particularly noticed because of the severity of other injuries. In the meantime the most recent follow-up examination (1981) of the boy (now 17 years old) showed a dysplasia like growth disorder. Various possibilities of interpretation are discussed.

Accidents, Traffic↗
PubMed1982

[Choice of time for the definitive treatment of injuries of the extremities in persons with multiple injuries].

There are still gradually and even fundamentally different opinions about the most favorable moment for the definitive treatment of lesions of extremities in persons with multiple injuries. The immediate definitive treatment or primary treatment within the first 24 to 48 hours is opposed to a therapy method applying a graduated definitive treatment of the lesions of extremities taking into consideration the individual extent of the injury. During the period from January 1st, 1975 to December 31st, 1979, 321 persons with multiple injuries of degrees 2 and 3 have been treated at the Hospital for Accident Surgery of the University of Frankfurt/Main. 290 fractures were treated in 225 surviving persons with lesions of the extremities. Among 136 fractures of the lower extremities, 118 were operated upon--44 of them immediately and 74 until the end of the fourth week. All femur fractures in surviving persons with multiple injuries were surgically stabilized, with the exception of several cases of isolated fractures of the shank diaphysis who received conservative treatment. Although we consider an early surgical treatment of femur fractures in persons with multiple injuries as the most favorable basis for a continuous and uninterrupted recovery, which we also strive for, the experiences made by us hitherto do not demand a general indication of immediate surgical treatment (within the first 24 hours) of closed femur fractures in persons with multiple injuries. We shall continue to apply a graduated therapy method, considering each individual case, for final treatment of fractures of extremities in persons with multiple injuries.

Adolescent↗
PubMed1981

[Principles of therapy and priorities in polytrauma (author's transl)].

Immediate assessment of severe injuries, and instant, effective therapy are the fundamentals of getting good results in the emergency management of trauma victims. A schedule for, if possible, early fracture fixation in multiply traumatized patients is recommended to avoid acute complications and irreversible lesions. Yet cautious and individual timing of internal fixation is mandatory especially in seriously injured patients with concomitant severe cranio-cerebral trauma and long-lasting unconsciousness.

Adult↗
PubMed1980

[Secondary intramedullary nailing osteosynthesis in primarily conservative treatment of fractures of tibia and fibula shafts (author's transl)].

In a retrospective trial 235 patients with fractures of the tibia and/or fibula shafts were followed up. In 16 cases non-union of the fracture occurred after closed reduction and plaster cast treatment. In 16 of these patients closed nailing of the tibia was performed 8--14 weeks after the accident. The healing of the fracture was uncomplicated and occurred in 10--14 weeks p. op. The results in primary nailing cases 8--14 days after the accident were much better than in cases treated with plaster casts, with regard to joint mobility, venous insufficiency and duration of treatment; however two serious complications occurred. In two patients, osteitis occurred after primary nailing of the tibia. Localisation of the fractures (distal part of the tibia) and type of the fracture (short torsion fracture) correlated more frequently with formation of non-union than the rare changes in blood chemistry observed in our study. We regard intramedullary nailing of the tibia as the best available method in treating non-union or pseudarthrosis of the tibia.

Adult↗