[Periodontal surgery: surgical flaps (II)].
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One of the methods of reconstructing superficial lower eyelid defects is by transposition of upper eyelid skin to the defect area. The stepwise methodology of this flap is discussed and demonstrated. The additional use of small, centrally placed grafts from the superfluous distal flap skin broadens the use of the flap.
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Experiences and results with a so called extended flap transfer including the fascia of the donor leg are discussed. Six patients suffering from complete open fractures of the lower legs underwent this procedure. All patients gained a functional and useful lower extremity. Also late reconstructive operations to cure bony problems did not affect detrimentally the healed flaps.
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The microsurgical story of the fibula began 25 years ago. The author reports on the vascular anatomy of the fibular free flaps, particularly the osseous, cutaneous and muscular branches of the fibular artery and their variations. This surgical anatomy explains the various osseous and composite flaps that can be harvested on the fibular vessels. The fibular flaps harvested on the anterior tibial vessels are used less often. The surgical procedure is explained about the typical osteocutaneous peroneal flap and the many other variations. The indications and results are discussed according to the international literature and the author's experience: 42 mandibular, 12 tibial, ten femoral, three radial, two humeral and one nasomaxillary reconstructions. The aetiological and topographical particularities, various abilities of the fibular donor site, preoperative strategy, bone implantation and contention, vascular anastomosis and delays of consolidation are analysed for each recipient site. The advantages and disadvantages of these fibular flaps are then discussed. Finally, the present and future associated procedures are evoked.
The Authors report a case of laryngeal stenosis initially treated through cervicotomy with the application of an Eliachar prosthesis and finally resolved, after recurrence, with two Z-shaped mucosa flaps. The Authors feel that this method is worthy of note because: its is simple to perform; provides excellent flap vitality; makes a stent unnecessary; and, above all, provides positive results.
Studies of the fascio-cutaneous vascularization and innervation of the leg seem incomplete. After reviewing the classical findings, the authors report on their anatomic study 15 dissections. Perforating pedicles, originating from the peroneal artery (3 to 5) and posterior tibial artery (4 to 5) destined for the skin and fascia of the posterior aspect of the leg were constantly found. This study suggests the possibility of a distally based sural fascio-cutaneous flap, a flap which has been successfully constructed clinically.
Postsurgical flap placement might affect the outcome of the operative procedure. Modified Widman flap surgery with primary closure and flap approximation (usually away from the bone crest) and apically positioned flap surgery with near crestal bone positioning are both widely used in surgical periodontal treatment. Several comparative investigations have studied these modalities, however, none have been able to show conclusively that either is superior to the other. The purpose of this longitudinal study was to explore the optimal postsurgical flap placement in respect to final probing depth and changes in clinical attachment level. Following routine hygienic phase of treatment, 12 subjects (186 teeth) with adult periodontitis received surgical periodontal treatment. Prior to the flap surgery, probing depth and clinical attachment level were recorded. Sounding depth measurements were taken to record postoperative flap placement. Patients were placed on a 3-month maintenance program. Probing depth and clinical attachment level were again measured at 2 years postoperatively and compared to baseline measurements. An overall positive correlation (R = 0.43; P = 0.0248) was found between immediate postoperative sounding measurements and probing depth after 2 years. Conversely, attachment level changes over the 2-year period showed only weak inverse correlation (R = 0.27; P = 0.0121) with sounding depth measurement immediately postsurgically. Sites where postoperative sounding depth were < or = 3 mm had a mean probing depth (2.52 mm) which was significantly (P < 0.001) smaller compared to sites with sound depth > or = 4 mm (3.58 mm). Changes in clinical attachment level varied between sites and sounding depth groups; however, none of these differences were statistically significant. Based on our findings it is suggested that following periodontal flap surgery, in those cases where minimal probing depth is desired, the flap be secured to the underlying structures at or slightly coronally to the bone crest (< or = 3 mm).(ABSTRACT TRUNCATED AT 250 WORDS)