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Biomedical subjects

P Helaly

Publications and source records attributed to P Helaly.

8 recordsLinked to original sources

[Simplification of osteosynthesis procedures of the hand bones using newly developed mini-osteosynthesis].

From unsatisfactory results in fractures in the hand treated with K-wires or other osteosynthesis we felt the need to develop new material for osteosynthesis. Our goal was to simplify the operative procedure, to enable exact anatomical reposition to avoid or reduce splinting in order to prevent adhesions and secondary operations. Further more to be able to reduce and stabilise small fragments. After more than 4 years of experience with our material in more than 200 osteosynthesis we can conclude, that our goal has been accomplished to a great deal. We would like to present this procedure.

Bone Plates

[Primary and secondary covering of defects of the hand using pedicled and free forearm flaps].

Our experiences in eight radial forearm flaps as free flaps or island flaps are shown. Indications for the use of these flaps in the hand are shown and advantages and disadvantages mentioned. Since 1980, when Mühlbauer and others brought the idea of this flap from China to Europe, its use as an island or as a free flap has been mentioned repeatedly. Generally the safety of this flap and the ease of harvesting are stressed. Other advantages are the long vascular pedicle and the large size of the vessels. These advantages are a temptation to use this flap for indications where it is not really suitable and where other methods are better. It has to be stressed that the donor site is not without problems from an esthetic and functional point of view. The removal of the radial artery, even when replaced by a venous graft may have some drawbacks.

Adult

[10 years results following augmentation-plasty].

In order to investigate late results in cases with mamma-augmentations, we have controlled cases which have been operated between 1970 and 1980. From a total number of 70 cases 34 have appeared for control. In spite of the problems of capsular contracture the interest for mamma-augmentation has rather increased during this period of time. We have mainly used 3 types of implants: 1. gelfilled silicon prosthesis, 2. inflatable prosthesis, 3. gelfilled prosthesis with polyurethan coating (Aeshly). In most of the inflatable prosthesis (5) spontaneous perforations occurred so that they had to be exchanged. In 41 cases a simple augmentation was performed. Out of these 16 have been controlled. In 4 cases an augmentation was combined with mastopexy. All of these appeared for control. 13 out of 17 cases of subcutaneous mastectomy with augmentation mammaplasty were controlled. In all cases of subcutaneous mastectomy the prosthesis were placed retropectoral. In 18 cases the prostheses were exchanged either because of leakage or when the prosthesis was injured during a capsulotomy. In 2 cases the prosthesis was removed, in 1 case because of problems with the skin and in another case because of repeated severe capsular contracture even after two capsulotomies. The classification of Baker was used to express the severity of capsular contracture. Prosthesis which was placed retropectorally showed significantly less problems with capsular contracture than prosthesis which was placed subglandular.(ABSTRACT TRUNCATED AT 250 WORDS)

Adult

[Free fascial and septo-fascial flap-plasty].

Free fascial and septo-fascial flaps may be used to reconstruct gliding structures for nerves and tendons in combination with skin grafts to cover exposed bones, joints, tendons and nerves, and as filling material for contour correction. The advantages are the minimal disfigurement of the donor site, the very thin soft tissue cover created, and the possibility of avoiding adhesions. Possibilities of the use for reconstruction of gliding structures are shown. In a special case the superiority compared to simple tenolysis is demonstrated. Such flaps include the gliding tissue between latissimus dorsi and serratus anterior based on the thoracodorsal artery, the galea flap on the superficial temporal and the forearm septo-fascial flap on the radial.

Hand Injuries

Free flap of gliding tissue.

A flap of loose connective tissue based on the thoracodorsal vein and artery and lying between the latissimus dorsi and serratus lateralis can be raised and transferred as a local or free flap. This flap has been used to reconstruct the gliding mechanism in block adhesions of the flexor tendons at wrist level. It has also been used for staged tendon and nerve reconstruction at the same site. Technical details for raising the flap are described and other flaps for similar purposes are suggested. Results of five hands in four cases, including one failure, are detailed.

Adult

[Primary treatment of severely injured noses].

Five cases of severe open nasal injuries are presented. A description is given of the early treatment and the results. In the first two cases a major part of the nose and upper lip were avulsed and remained attached by a lateral pedicle. Lining, support and skin were carefully repaired and defects of the nasal mucosa replaced by buccal mucosa. Both cases were treated in co-operation with the ophthalmologist and neurosurgeon. In the third case, a large defect of the nasal skin was replaced by an island flap of midline frontal skin. In the fourth case, a perforating wound of the nose, the nasal floor, and orbit was treated by a complete reconstruction of all the involved structures. The fifth case was an avulsion of the nose with a cranial pedicle in the region of the glabella. There was also a craniofacial injury with fractures into the frontal and ethmoidal sinuses and the medial wall of the orbits. With neurosurgical assistance the nose was reconstructed. The early results were favourable in all five cases.

Accidents, Traffic

[Ring injuries].

At the Clinic for Plastic and Reconstructive Surgery of the Kantonsspital Aarau eight cases of ring avulsion injuries in one woman and seven men have been treated during the period 1979-1981. Depending on the soft tissue damage, the ring injuries can be divided into four categories. Representative cases of each group and the special problems and difficulties in the reconstruction of each case are described. Microsurgical revascularisation has been particularly useful in cases of incomplete ring avulsion amputations.

Adult