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Biomedical subjects

E Dielert

Publications and source records attributed to E Dielert.

At least 19 recordsLinked to original sources
PubMed1995

[Long-term outcome of the donor site after free, microvascular pedicled iliac crest transplantation: experiences with 95 cases].

Using the anterior iliac crest as donor-site for free osseous, osseomuscular, and osseomyocutaneous flaps has proven itself an important reconstructive instrument both in maxillofacial and in orthopaedic surgery. We present a long-term retrospective evaluation of the donor-site situation after vascularized free anterior iliac crest transfer. The study is based in 95 cases from the years 1985 to 1993 including 11 cases from Switzerland (Kantonsspital Aarau). The patients were examined, looking for objective complications and asked questions about their subjective symptoms at the donor site. These objective and subjective results were then correlated. Herniation developed in 3% of cases, loss of sensibility in the region of the N. cutaneous femoris lateralis occurred in 9.5% and was in 6% reversible. Scars were in 7% aesthetically not satisfying with no keloids or hypertrophic scarring after all wounds healed per primam intentionem. Mostly minor alteration of the outer surface of the donor site was notable in 20 to 25% of the patients. Pain was a problem for an average of 7% of cases. Impairment in private life was named in 3.5%, in professional life in 4.7%, and in daily life in 11.9% of cases. Not content with the donor-site situation were 13.5%, not content with the preoperative information were 12% of the patients. Nonetheless were 98.8% of the patients willing to, if necessary, undergo the same operation again. Surprisingly, there is a negative correlation between objective and subjective results: Merely 25% of the patients with sensibility loss were not content with the donor-site result of the operation and vice versa only 1% of the dissatisfied patients had objectively measurable minor complications.

Adult↗
PubMed1991

The iliac crest region: donor site for vascularized bone periosteal and soft tissue flaps.

A review is presented of the classic vascularized iliac crest transfer and to show useful variations on this technique. A technical variation to reconstruct mandibular defects, the semisegmented iliac crest graft, is described. Another variation, the half iliac crest graft, is presented for use in the neovascularization of avascular necrosis of the femoral head. When such a flap is raised with a large periosteal flap and overlying muscle or skin, or both, as a composite flap, a primary osteoperiosteal tube can be created to reconstruct segmental defects in long bones. This primary osteoperiosteal tube is secondarily transformed into a completely osseous tube.

Bone Transplantation↗
PubMed1991

[Temporomandibular joint examination under general anesthesia--a case report].

Surgical interventions involving the temporomandibular joint are subject to strict indications. It further requires the exhaustion of all conservative treatment possibilities before operative procedures are considered. This case report involves a patient with an impressive TMJ dysfunction. After a series of frustrating attempts at functional treatment, surgical intervention was finally decided. Under general anesthesia however, the patient examination showed not even the least pathologic change in the passive joint function. Besides considering the discrete signs of possible psychiatric-psychosomatic causalities for such alterations, it seems to us that a temporomandibular joint examination under general anesthesia in such suspected cases has a diagnostic and therapeutic significance.

Adult↗
PubMed1989

[Augmentation of severely atrophied jaws with hydroxyapatite from a prosthodontics standpoint].

After 4 years of routine application of hydroxylapatite ridge augmentation 109 patients underwent a posttreatment examination. The quality of the alveolar ridge and the denture as well as the functional status of the craniomandibular system were evaluated in detail. For the maxilla good results were obtained in 80-90%, for the mandible in 70-80%. Further improvements seem more probable by the avoidance of prosthodontic faults and the elimination of functional disturbances than by additional surgical procedures such as vestibuloplasty.

Alveolar Ridge Augmentation↗
PubMed1989

[Application of granulate hydroxylapatite for mandibular augmentation].

The already known surgical interventions for absolute induction of extensive mandibular atrophy, cannot be suggested as routine standardized methods. Use of Hydroxylapatite-ceramic for restoration of the atrophic alveolar process, shows several advantages; among those, simplicity of the operation use of local anesthesia, as well as very low percentage of unsuccessful interventions are taken into consideration. The clinical results of 102 cases are shown and discussed. Through the addition of H.A. ceramic in the field of preprosthetic surgery, there is a broadening of the spectrum of the therapeutic possibilities of patients with prosthetic problems to be expected.

Alveolar Ridge Augmentation↗
PubMed1989

[First results on the volumetric behaviour of osseous transplants after an avascular and reanastomosed transfer].

In this follow-up study the height of avascular and microsurgically reanastomosed osseous transplants serving for mandibular reconstruction is compared. For analysis a new computer-assisted method is applied which evaluates the plane of the transferred bone. As a result, it is revealed that the reanastomosed bone exhibits the better shape consistency than the avascular flap.

Anastomosis, Surgical↗