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Biomedical subjects

H Röhner

Publications and source records attributed to H Röhner.

8 recordsLinked to original sources

[Significance of microsurgery revascularized soft tissue and bone transplants in plastic reconstructive interventions of the extremities].

By using the fixateur externe in the fixation of bone fractures in the presence of heavily damaged soft tissue, we now have to tackle the challenge of adequate soft tissue coverage besides osteosynthesis of bone fracture. Free microvascular tissue transfer now increasingly replaces the previous method of management in which the soft tissue was reconstructed step by step. This technique is undoubtedly the solution for a lot of earlier problems, but now other questions have come up, particularly regarding time for tissue transfer. The article reports on the experience collected by us.

Adult↗

[Diagnosis and therapy of traumatic posterior shoulder dislocations].

In cases of dislocation of the shoulder the humeral head almost always dislocates anteriorly. Only rarely does the dislocation result in a posterior position of all or part of the humeral head. The diagnosis of posterior dislocation is not always as easy as the diagnosis of anterior dislocation and for this reason the injury is often missed. Cisternino et al. found that over 50% of patients with posterior dislocation of the shoulder were missed on initial examination. The longer the time between accident and treatment, the more difficult that treatment becomes and the harder it is to achieve a satisfactory functional result. Therefore it is vital to think of this injury in all cases of severe contusion of the shoulder and if there is the slightest suspicion of this injury, the patient must be aggressively investigated to establish the relationship between the humeral head and the glenoid.

Bone Plates↗

[Prognosis of injury of the distal tibia epiphysis depending upon the type of injury].

A follow-up of 51 patients after lysis or fracture of the distal tibia epiphysis showed that growth disturbance independant of the type of injury can occur (6 patients after Aitken-I and 1 patient following Aitken-III injury). The dislocation seems to be a good sign concerning the disturbance of blood supply. All 7 patients with growth disturbance showed a severe dislocation.

Adolescent↗

[Fractures in benign bone cysts].

Etiology, clinical manifestations, roentgenographic appearance and histological variations of solitary and aneurysmatic bone cyst are reported. The classification of solitary bone cyst into active and inactive cysts is important therefore prognosis and treatment are different. The critical control of our patients with fractured solitary and aneurysmatic bone cysts since 1973 resulted in a very contenting management of treatment. Active solitary bone cysts, recurrent cysts, fractured cysts and large cysts close to joints are treated by segmental resection, interposing of ribs, homologous or autogenous cancellous bone graft and plate osteosynthesis. We never found recidives under this treatment. The only curettage of active solitary bone cyst frequently is accompanied by recidive and unsatisfying functional results. Reports of local corticoid injections in treatment of bone cysts should be furthermore controlled critical.

Adolescent↗