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Biomedical subjects

B Zide

Publications and source records attributed to B Zide.

13 recordsLinked to original sources

Reconstruction of the posttraumatic short upper lip.

Treatment of the posttraumatic, vertically shortened upper lip is a difficult surgical problem. It requires careful evaluation of the underlying injury followed by staged therapeutic interventions. Both surgical and nonsurgical treatments need to be employed to optimize results. The authors present three distinct cases of posttraumatic upper lip reconstruction that utilize a variety of treatment modalities. All patients were treated by the senior author.

Adolescent↗

Prevention of recurrent tethered spinal cord.

One of the most problematic technical considerations in surgery for the release of tethered spinal cord is how to prevent recurrent tethering. Recurrent tethering is common because the spinal canal in the baby is shallow and, therefore, postoperatively, the neural contents are in direct contact with the posterior dura. The only way to prevent a recurrent tethered cord is to be certain that the neural elements remain free within circumferentially patent cerebrospinal fluid. We hereby describe a method where a curved 1.5 mm oval piece of Medpor is used to create a posterior space for the neural elements. The spinal canal is expanded posteriorly, therefore, creating an abnormally wide canal to accommodate the neural elements within subarachnoid space. This methodology was used in 18 neonate patients, and in late tethering cases after myelomeningocele. Technical and theoretical considerations are discussed.

Child, Preschool↗

Using tissue expanders in spinal surgery for deficient soft tissue or postirradiation cases.

Prior irradiation and scarring can complicate wound closure following spinal surgery. Implanted tissue expanders were used six times in four patients to aid skin closure. Three patients had prior irradiation for cancer, and one had myelomeningocele. The average interval between placement and removal of the expanders was 46 days. Two late failures occurred because of prominent hardware. These expanders may provide adequate myocutaneous covers following spinal surgery in difficult cases.

Adult↗

Early surgery for craniofacial synostosis: an 8-year experience.

A prospective review is presented of 50 patients with one of the craniofacial synostosis syndromes who underwent early interventive craniofacial surgical correction (average age 7.6 months at time of surgery). The study has demonstrated the efficacy and safety of the techniques when employed in the infant. Satisfactory cranio-orbital form was achieved in the majority of the patients, although 10 patients required secondary surgery because of sutural refusion or the development of turricephaly or calvarial contour irregularities. Despite earlier hopes, this surgery did not result in the development of satisfactory occlusal relationships and midfacial form in the craniofacial dysostosis group (Crouzon's, Apert's, etc.). Based on this clinical experience, a surgical treatment plan is presented for the newborn with craniofacial synostosis.

Acrocephalosyndactylia↗

Le Fort III advancement osteotomy in the growing child.

A prospective clinical and cephalometric study was conducted on 12 patients under the age of 12 years undergoing Le Fort III advancement with the following findings: 1. There was a remarkable degree of postoperative skeletal stability of the midfacial segment. 2. Disharmony in jaw relationship (anterior crossbite) observed during the period of longitudinal postoperative study could be attributed to expected mandibular development. 3. In some patients, growth and development of the maxilla in a forward and downward direction were documented after Le Fort III advancement. The authors recommend that a Le Fort III advancement can be safely performed at approximately age 4 without a deleterious effect on midfacial development in the patient with craniofacial dysostosis.

Cephalometry↗

Cephalometric analysis: part I.

A protocol for cephalometric analysis is presented to enable the clinician to evaluate the bony face by subdividing it into four components: 1. Vertical facial measurements 2. Horizontal midface measurements 3. Horizontal lower face measurements 4. Dental measurements. The clinician is encouraged to view the components alone and together. Caution is advised in deriving the treatment plans solely from the cephalometric analysis. Emphasis is placed on integrating the data derived from the cephalometric analysis with the clinical picture, history, dental model analysis, soft-tissue analysis, and patient desires.

Cephalometry↗

The many uses of polyurethane foam.

Self adherent foam padding has unlimited opportunities for plastic and general surgical use. Skin blisters do occur but less often than with tape. It may also be used over the shoulder and scapula where other types of more invasive immobilization were usually necessary and has also been effectively utilized as postmammoplasty support, as facial and postrhytidectomy dressings, and over leg grafts. Furthermore, it can be used for postpilonidal and axillary pad dressings.

Bandages↗