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Biomedical subjects

F Eitel

Publications and source records attributed to F Eitel.

At least 37 records · Page 2Linked to original sources

Nonsuture microsurgical vessel anastomosis.

An alternative microsurgical method for achieving vessel union without applying sutures is presented. The basic principles of the technique involve the creation of an extraluminal cuff that permits exact adaptation of both endothelial layers, without intraluminal damage or application of foreign material. When used for microsurgical procedures, the method can be further simplified by using a Teflon cuff secured by means of a mini-clip. The anastomosis can be accomplished quickly, in an uncomplicated and precise fashion. On the basis of preliminary experiments, this method appears to offer a wide range of applications, particularly if absorbable material is used.

Anastomosis, Surgical↗

[Plastic surgery measures in connection with bone transplantation in bone and soft tissue defects].

Free tissue transfer by means of microvascular anastomoses has opened up new dimensions in reconstructive surgery. However, a free microvascular myocutaneous flap should only be used, if a local pedicled flap is impossible. In treatment of complicated soft-tissue and bone defects, there are clear-cut and gradual therapeutic steps: wound debridement; soft tissue repair; bone reconstruction.

Adult↗

[The problem of load stability in pathological fractures. Considerations on its indications using typical cases as examples].

Differentiated management of pathological fractures and multiple bone metastases is shown by means of 7 typical case examples. In the proximal femur, the total replacement of tumor-bearing bone areas by total hip prosthesis seems to provide the best stability. The femur shaft is stabilised without risk by intramedullary nailing, whereas metaphyseal stabilisation is best done by means of the interlocking nail. In the humerus, neutralisation plates are used, but they should be chosen long enough to anchor the implant in zones free fo tumour. The limitations of operability are demonstrated in one case. On the other hand, one case is shown where multiple metastases were treated palliatively by excochleation and filling the defect with bone cement, thus preserving the functional ability of the limb and the independence of the patient.

Aged↗

Bone regeneration in animals and in man. A contribution to understanding the relative value of animal experiments to human pathophysiology.

Under both normal and pathophysiological conditions the relationship between bony histology and the regionally associated vascular pattern was studied. Three independent methods of research were employed (microangiography, fuchsin stained ground sections, polychrome sequential labeling) and, thus, the limitations inherent in each method were minimized. Animals of different ages and different species were found to have relatively different amounts of primary and secondary bone. In all instances primary bone was associated with a network vascular pattern emanating from the periosteal surface and secondary bone was associated with an arborial vascular pattern arising from the endosteal circulation. Adult dogs, unlike sheep, were found to have a significant complement of secondary bone and, therefore, in consideration of human bony regeneration, the dog is a superior experimental model.

Age Factors↗