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Biomedical subjects

S K Wynn

Publications and source records attributed to S K Wynn.

17 recordsLinked to original sources
PubMed1988

Cleft lip: a combined approach.

A combination of recognized procedures in the repair of the cleft lip patient is described. The first combination, which is used for the narrow cleft lip, consists of the forked flap, the rotation-advancement flap, and the round nostril technique. The second combination, which is best for the wide cleft, is the same except that the Wynn lateral flap replaces the rotation-advancement flap. It is believed that the results are sufficiently improved to justify the use of each of these combinations in selected cases. The indications, technique, and the short-term follow-up are presented.

Cleft Lip↗
PubMed1985

Speech results after bilateral osteotomy surgery for cleft palate: a review of 413 patients.

Patients records of those who had received the bilateral osteotomy surgical procedure for cleft palate were studied. There were 413 records available for review. Patients evaluated by a speech/language pathologist numbered 226. The other 137 patients were evaluated either by a school speech/language pathologist or by the plastic surgeon. An additional 50 records could not be used. Patients were 18 to 24 months through 35 years of age. The results revealed that 81.5 percent of the patients demonstrated normal or near normal resonance quality. Two additional positive aspects of the procedure are that the risk of postpuberty maxillary retrusion is reduced, and palatal length is increased. It is, however, a disadvantage that considerable training and experience are essential in order that the surgeon can successfully use the osteotomy. Based on a review of the literature and findings of this study, it appears that the speech results for bilateral osteotomy palate closure are comparable with and in some cases better than the results reported on smaller populations.

Adolescent↗
PubMed1979

Influence of cleft palate closure by osteotomy technique on growth of the dentomaxillary complex in human beings.

Properly done, osteotomy cleft palate closure in human beings reproduces a normal dentomaxillary complex in patients with an incomplete cleft palate and in those with a narrow unilateral complete lip and palate cleft. In wider complete clefts, the dentomaxillary complex is influenced by the constrictive action of the lip muscle during closure rather than by the osteotomy procedure. Plaster casts of osteotomy surgical cases late postoperatively demonstrate the normal growth pattern achieved. Variations in cleft palate osteotomy have been worked out for every type of cleft palate.

Child, Preschool↗
PubMed1979

Gross and microscopic anatomical studies of palate structure and osteotomy site.

A normal 1-year-old infant palate and a newborn cleft palate were studied grossly, radiographically, and microscopically for histological structure in hard palate osteotomy sites. A correlated study of biopsies from an osteotomy site seven days postoperatively and another at twelve months following osteotomy was also made. The findings showed that successful osteotomy in infant cleft palate surgery translocates autogenous fibrous bone and osteogenic cells into a cleft-bridging position. Woven fibrous bone rapidly forms across the cleft, and then matures by lamellar bone replacement and haversian system remodeling. Both normal and cleft palates have a rich anastomosis of microscopic blood supply that is vitally important in the remodeling process. These factors may help to explain successful long-term results in early cleft palate osteotomy surgery.

Cartilage↗