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Results for “Tissue Expansion Devices”

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At least 577 records · Page 32Linked to original sources
PubMed1990

Bilateral oblique facial cleft--tissue expansion with primary reconstruction.

The oblique facial cleft may present as a cutaneous and/or an osseous cleft, with or without a cleft lip, and with or without a cleft palate. This particular case was born with complete bilateral cutaneous-osseous oblique facial clefts which extended from the oral cavity to the eye sockets with anophthalmia on the right side. The first surgical intervention included a midline nasal skeleton alignment and bilateral cleft lip and alveolus reconstruction. Urinary Foley catheters were used as facial tissue expanders and inserted adjacent to the oblique facial clefts. The second surgical procedure consisted of a partial pyramidal Le Fort II osteotomy for an inferiorly displaced nasal maxillary skeleton and a rotation and advancement of the cheek as a flap for reconstruction of the palpebral cleft and inner canthus.

Cleft Lip↗
PubMed1990

The role of tissue expansion in reconstruction of the ear.

The following guidelines are suggested for the use of tissue expansion in ear reconstruction based on both personal experience and my evaluation of the reported results of expansion in the hands of other surgeons experienced in ear reconstruction: 1) Cases should be carefully selected to avoid those with excess scarring from previous surgery or trauma as well as avoid the other common contraindications to the use of tissue expansion. 2) In most congenital cases the expander should be placed through a remote incision within the postauricular hairline, and excision of the cartilage vestige delayed until expansion is completed and the framework is ready for placement. 3) A remote valve expander of a crescent shape with a volume of 60-100cc is ideal; low profile expanders may even be safer. 4) The pocket for the expander should be dissected immediately above the fascia and against the cartilage remnant. 5) Rapid expansion should be avoided; ideally injections should be carried out one time each week and with relatively small quantities (5-10cc per injection). 6) At the time of expander removal and placement of the cartilage framework the capsule should be meticulously excised to allow tight skin-cartilage coaptation. This is further enhanced by effective suction drainage following wound closure.

Burns↗
PubMed1990

Tissue expansion in reconstruction of acquired auricular defects.

Over the past 10 years, tissue expansion has gradually become accepted as a useful adjunct to ear reconstruction with an autologous framework. The advantage of expanded tissue in these cases has been the addition of more tissue with similar color, texture, and sensation. In traumatic cases, the creation of well-vascularized tissue allows an improved anterior draping of skin over the cartilaginous framework and production of a well-defined posterior sulcus. Encroachment of hair onto the reconstructed ear is minimized because of the extra tissue produced by expansion. Under favorable conditions, tissue expansion is an acceptable and reliable method for partial or total ear reconstruction.

Adolescent↗
PubMed1990

Reconstruction of microtia using tissue expander.

In this article, microtia was reconstructed by the use of a tissue expander to obtain a sufficient temporal skin flap that ensures an acceptable contour of the auricle. This article introduces the operative procedure and the authors' experience.

Adolescent↗
PubMed1990

Lasers, tissue expansion, and sun protection in pediatric dermatology.

As our knowledge of cutaneous disease increases, areas emerge in which our intervention with patients at an early age can significantly alter the progression of disease. This article discusses three major topics of new advances in the treatment of children with cutaneous disorders. These include laser therapy of various skin anomalies, the use of tissue expansion in congenital nevi, and the role of sun protection in children.

Adult↗
PubMedDate not supplied

[Immediate reconstructive approach in neoplastic pathology and "high risk" of the breast].

One of the most important aims in oncology should be the quality of life, even in the cases of limited life expectancy. With this objective, the Authors report their experience of immediate breast reconstruction after surgical treatment for neoplasms and "high risk" lesions. In 76 cases they analyzed aesthetic results and morbidity. In immediate reconstruction after Patey mastectomies, the tissue expanders offered good cosmetic results with an acceptable complication rate in comparison with more complex methods as myocutaneous flaps. These flaps represent the alternative in selected cases of Halsted mastectomies, where the mutilation is not acceptable to the patient. In "high risk" lesions surgical approach, namely subcutaneous mastectomy, may be proposed in selected cases only. The Authors emphasize that subcutaneous mastectomy with an immediate submuscular reconstruction offer good aesthetic results especially in small size breasts with mild ptosis. The capsular contracture is however significant in 25% of the patients treated with these techniques.

Adult↗
PubMed1990

The role of tissue expanders in an anophthalmic animal model.

A study of orbital bony expansion using a custom tissue expander was performed in the anophthalmic cat model. Twelve 6-week-old kittens underwent right unilateral enucleations. Six kittens had immediate insertion of a tissue expander into the orbit. The remaining six served as controls. Every 2 weeks 0.5 cc saline was injected into the expander to a maximum of 5 cc. External horizontal and vertical orbital dimensions were obtained by palpation technique weekly. All animals had preoperative and study conclusion head CT scans with three-dimensional reconstructions performed. Dry skull preparations were done at the study conclusion at 24 weeks. Results demonstrated that tissue expanders were successful in maintaining normal orbital growth and size relative to the contralateral control orbit. The animals with enucleation only had an average difference in vertical and horizontal orbital measurements of -27 and -13 percent when compared with the contralateral normal orbit. In contrast, the enucleation and tissue-expansion animals had vertical and horizontal measurements of +4 and +2 percent (p less than 0.05) when compared with the contralateral orbit. Head CT scans with three-dimensional reconstructions demonstrated normal orbital geometry and volume for the animals with tissue expanders, whereas animals with enucleation only had small hypoplastic orbits. In conclusion, orbital tissue expanders offer a promising new technique in the treatment of anophthalmos.

Animals↗
PubMed1990

[Rapid expansion of the scalp using a soft tissue expander].

Reconstruction of large scalp defects depends on the ability to cover them with hair-bearing tissue. Using expanded tissue provides sufficient skin with characteristics suitable for covering large scalp defects. We used this technique in a 2-year-old boy to reconstruct a scalp defect caused by birth trauma. Rapid expansion of the scalp, using an expander introduced under normal scalp and an external valve, is recommended whenever dealing with children.

Child, Preschool↗
PubMed1990

Immediate reconstruction after mastectomy: team approach.

A review of 198 cases of breast reconstruction done at the time of mastectomy for carcinoma of the breast shows an extremely low morbidity. The technique of using a tissue-expander prosthesis enables immediate breast reconstruction without any fear of impairing prognosis, of spreading disease, or of impeding adjuvant therapy.

Female↗
PubMed1989

[A permanent expanding prosthesis and the latest refinements in breast reconstructive surgery].

The use of an expanding prosthesis that can be left in place after adjustment of its volume allows an improvement in the quality of the results of breast reconstructive surgery. This implant offers many advantages: 1) It doesn't have to be changed: only the valve and the inflation tube must be removed. 2) The ideal breast volume can be progressively obtained by gradually prompting the skin. 3) A transient overinflation before returning to the desired volume often results in a more natural looking and preptotic breast. An adjuvant method (tattooing of the nipple-areola) is also presented. It contributes to the improvement of the aesthetic nature of this type of reconstructive surgery. The author's series consists of 26 reconstructions which demonstrate the interesting possibilities offered by this implant and by the adjuvant method applied to the nipple-areola.

Breast↗
PubMed1989

[State of the art in plastic and reconstructive surgery: a growing art].

On studying the state of the art in Plastic and Reconstructive Surgery there are two different aspects that have achieved very different levels of advance and progress: the organisation and establishment of this speciality, and scientific and technical progress. In an analysis of the former. The author outlines the principal problems facing Plastic Surgery in Portugal, the present shortcomings and the almost complete lack of coherent planning, and the prevailing rules for the training of new specialists. A study of the second aspect reveals manifest progress and innovation in many areas of this speciality. The Author describes in greater detail, controlled tissue growth, innovations with flaps, principally facial-cutaneous and inverted flow, advances in the remodelling of the face where there are many examples of implantation of material, modelling osteotomy and surgical interventions in the field of muscular dynamics, and lipo-aspiration which has extended horizons in both Plastic and Reconstructive Surgery.

Face↗
PubMedDate not supplied

Use of the subcutaneous tissue expander for delayed primary closure of flaps.

Two cases of deforming, painful scars on the dorsum of the foot are presented. Simple excision and primary closure of these wounds was not possible. Subcutaneous tissue expanders were implanted proximal to the scar and inflated gradually. Once adequate expansion was obtained, the expanders were removed, and scars excised. Closure was obtained by a pedicle and rotational advancement flap, without stress on the skin over the defect. A discussion of the indications, techniques, and pitfalls of tissue expansion is provided.

Adult↗