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Biomedical subjects

M Emin Mavili

Publications and source records attributed to M Emin Mavili.

7 recordsLinked to original sources

Bifid mandibular condyle: a rare disorder.

Bifid mandibular condyle is a rare disorder and little is known about the etiology and pathogenesis. We reported a patient with left bifid mandibular condyle with a history of trauma. There was no limitation of mouth opening but the patient was complaining of pain while chewing. Underdeveloped lateral head of the bifid condyle was excised at the level of condylar neck under general anesthesia. The patient healed without any problem. Microscopic evaluation of the excised condyle supported a congenital etiology. Although most cases of the bifid condyle discovered by chance it should be recognized and treated by plastic surgeons interested in craniomaxillofacial surgery.

Child↗

Blood loss and transfusion rates during repair of craniofacial deformities.

Surgical procedures for correction of craniofacial deformities resulted in unavoidable and extensive blood loss in small children and infants. Almost all of the patients undergoing these procedures will undergo a blood transfusion either during or immediately after the operation. A retrospective review of 30 patients who underwent craniofacial surgery was performed in this study to determine the magnitude of transfusion required for craniofacial surgery, document transfusion morbidity, and identify variables associated with the transfusion. The mean estimated blood loss was 566.8 mL, the mean intraoperative transfusion was 394.8 mL, the mean postoperative transfusion was 103.2 mL, and the mean total transfusion was 505 mL. The mean operative time was 450 minutes, the mean preoperative hemoglobin and the mean postoperative hemoglobin before hospital discharge were 11.6 g/dL and 10.3 g/dL, respectively. Craniofacial surgical procedures involve extensive scalp dissection and calvarial and facial bone osteotomies in patients with a low total blood volume. Every medical and surgical strategy for minimizing the need for blood transfusion should be considered.

Blood Loss, Surgical↗

Correction of facial deformity using a Red III device in a patient with Antley-Bixler syndrome.

Antley-Bixler syndrome was first described in 1975 and to date at least 44 cases have been reported. In addition to brachycephaly, this syndrome is associated with midface hypoplasia, bilateral radiohumeral synostosis, multiple joint contractures, long bone fractures, dysplastic ears, "pear shaped" nose, and occasionally urogenital or cardiac defects. The authors report a case in a 23-year-old man with severe midface deficiency treated using distraction osteogenesis. A modified Le Fort III osteotomy was performed, and nasal subunit and remaining Le Fort III segment was distracted separately. The classic RED II design was found to be insufficient, so the authors added an extra horizontal bar to the system and converted it to a RED III design. Midface advancement was 11 mm from the porion to the orbitale and 31 mm at point A. Nasal advancement at the nasal root level was 5 mm. There were no complications, and at 4 months after surgery, advancement was stable without any relapse.

Abnormalities, Multiple↗

Seesaw modification of the lateral orbital wall in Le Fort III osteotomy.

OBJECTIVE: The traditional treatment for patients with syndromic craniosynostosis and midfacial retrusion has consisted of Le Fort III osteotomy and advancement. Distraction with rigid external systems allows advancement of the midface segment much more than the conventional methods. This excessive advancement resulted in the superiormost margin of the advancement segment becoming prominent. It can be felt easily with palpation and may influence the appearance of the patient negatively. This article presents a procedure osteotomy designed to modify the osteotomy lines at the lateral orbital rims and smooth the step deformity at the lateral canthal region. RESULTS: The seesaw osteotomy produced a smooth contour at the lateral orbital rim. Planned advancement was achieved without difficulty and without adverse long-term effects.

Child↗

Rigid external distraction of the midface with direct wiring of the distraction unit in patients with craniofacial dysplasia.

The development of craniofacial distraction techniques represents a significant advancement in the management of craniofacial dysplasias. For distraction of the midface after Le Fort III osteotomy, two levels of anchorage to the moving segments are necessary. In this report, the authors connected the distraction forces directly to the infraorbital rims, using a surgical wire for superior anchorage. They performed this technique in four patients with craniofacial dysplasia for the management of severe maxillary hypoplasia using RED II system. This configuration not only simplified the placement of the system but also made the removal of the device much easier. The authors did not have any problems with the wire traction unit, such as wire breakdown or bony tunnel disruption. It is a cheap, simple, and effective configuration that can be easily performed without any complication.

Bone Wires↗