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Biomedical subjects

A Fuente del Campo

Publications and source records attributed to A Fuente del Campo.

14 recordsLinked to original sources

Regional dermolipectomy as treatment for sequelae of massive weight loss.

Dermolipectomy is the most important procedure for treatment of the deformities engendered by massive weight loss. It remains the only treatment for excising redundant skin. Although liposuction is useful for removing fatty deposits without traditional surgical incisions, its application is limited by the ability of the skin to contract and conform to the newly sculpted figure. Thus liposuction may serve as an adjunct when treating the sequelae of weight loss but not as a primary procedure. In response to changing expectations, reconstructive surgeons have developed increasingly ingenious and specific dermolipectomy procedures to minimize or hide scars, lessen morbidity, and enhance function. Liposuction in combination with dermolipectomy has expanded the applicability of traditional procedures to a wider variety of patients. Surgical history, patient selection, surgical planning, a spectrum of regional dermolipectomy procedures, and potential complications are discussed herein.

Dermatologic Surgical Procedures↗

Midline platysma muscular overlap for neck restoration.

A variation of platysmaplasty, consisting in the overlapping (double-breasted fashion) of the platysma muscles in the midline, solely through submental approach, is described. It allows excellent platysmal suspension and neck recontouring, eliminating the need of posterior traction of the platysma muscle and avoiding in many cases the cervical incisions.

Humans↗

[Bone substitute with growth factor. Preliminary clinical cases for cranio- and maxillo-facial indications].

Several biological materials have been analyzed in combination with osteo-inductive growths factors to determine whether such a system can replace bone grafting in surgical practice. Efforts have been aimed at the discovery of the best carriers and delivery systems. We present the results of the surgical treatment of 11 cranio-maxillo-facial defects in 9 patients using a combination of natural coral skeleton (NCS in blocks or granules), human fibrin glue and transforming growth factor beta-1 (TGF-beta 1) as a composite bone substitute. Three patients were initially excluded because of early extrusion of the materials due to a technical error. Clinical and radiological evaluation was performed in all cases, with the patient acting as his own control. Clinical firmness and radiological mineralization occurred in three quarters of cases. New bone formation was confirmed histologically in two of these patients. Clinically the initial results remained stable over a three years follow-up with staged surgical procedures performed on a number of patients. None of the patients suffered any detrimental effect from implantation of the bone substitute. Although the numbers in these series are limited, the association of TGF-beta 1, human fibrin glue and NCS represented an interesting step, although the clinical results could be improved. Important factors in the success of this technique appeared to be stabilisation of the biological materials, quality and asepsis of the surrounding tissue and the dose of growth factor.

Acrocephalosyndactylia↗

Craniofacial development in rats with early resection of the zygomatic arch.

Eighty-two-day-old male Wistar rats were selected to study the pattern of craniofacial growth following resection of the zygomatic arches. Rats were divided into three groups: group I (n = 14), the control group; group II (n = 15), with unilateral resection of the zygomatic arch; and group III (n = 8), with bilateral resection. Direct dry skull and cephalometric measurements show increased facial projection and decreased transverse facial width on the side of the resected arch. If the results are extrapolated to the growth pattern of patients with the Treacher Collins syndrome, we can conclude that the zygomatic arch acts as a "moderator" in the morphologic development of the face.

Animals↗

[Subperiosteal face lift with endoscopic assistance. Role of endoscopy analyzed apropos of 26 cases].

We present a brief report about the history of the subperiosteal face lift and its evaluation. The advantages of the procedures are analyzed together with the application of the endoscopic approach which avoids the coronal incision. The technical bases, the dissection performed and the method for internal suspension of the deep soft tissues are described. The endoscopic approach provides excellent results, with less surgical aggression, less swelling and faster recovery.

Endoscopy↗

A procedure for the reconstruction of the lateral palpebral canthus.

Tessier's classification of facial clefts has been quite adequate. This cleft occurs as an isolated anomaly or as a coloboma associated with Treacher Collins syndrome, Goldenhar's syndrome, or hemifacial microsomia. We present a procedure developed to reconstruct the lateral canthus.

Adolescent↗

Treacher Collins syndrome (mandibulofacial dysostosis).

Treacher Collins syndrome is a complex congenital malformation. The most important manifestations of this syndrome are hypoplastic or absent malar bone, centrofacial over-projection, eyelid coloboma, and micrognathia. This article presents an approach to re-establish the right centrofacial proportions through "flattening osteotomies" of the maxilla, malar bone reconstruction, and other maxillo-mandibular osteotomies.

Adult↗

Face lift without preauricular scars.

A subperiosteal rhytidectomy is described that corrects aging of the forehead, the orbital region, the nasolabial fold, and the cheeks. It substantially improves muscular tone, consistency of subcutaneous tissue, and projection of malar volume. Its use with proper preoperative evaluation of the grade of facial aging reduces the indication for preauricular incision.

Adult↗

[Surgical treatment of cranial dysostosis with internal fixation method].

We present our experience using plates and screws for the fixation of craniofacial mobilizations. We describe the osteotomies "monoblock advancement" combined or not with "facial bipartition", used for the treatment of Crouzon's disease and Apert's syndrome respectively. We expose our experience gained on 42 patients with a follow up of six years, pointing out the indications for plates and screws. The advantages of this method are discussed, being mainly these: stable fixation, early surgery and no intermaxillary fixation needed.

Child↗

Nasal clefts.

Our 20-year experience with the treatment of 154 nasal clefts corresponding to numbers 1, 2, 3, and 0 of Tessier's classification is presented. The different varieties of each type of cleft are discussed, and the clinical features and therapeutic problems of each are described. The various operative procedures used in the last two decades are analyzed, and we evaluate the long-term evolution in relation to the aesthetic results and facial growth. Our present criteria for treatment are presented.

Adolescent↗

Subperiosteal facelift: open and endoscopic approach.

The endoscopic subperiosteal facelift as an isolated procedure is indicated for patients with grade I rhytidosis. It is also indicated in cases of grades II and III rhytidosis in males in whom the coronal incision is contraindicated due to alopecia and without conspicuous damage to the forehead. In these cases, the procedure is combined with subcutaneous rhytidectomy of the neck. It can also be used in cases of secondary facelift. The small incisions used in this procedure allow sufficient and effective access for dissection and suspension of the tissues released during the facelift. The coronal incision is not necessary, thus avoiding the resulting discomfort and scar. These patients do not receive anesthesia and experience almost no paresthesia in the frontal region, as in cases in which a coronal incision is performed. The endoscopic approach reduces surgical trauma as well as postoperative edema. Since neither the veins nor the lymphatic vessels of this area are sectioned, swelling subsides faster and recovery is shorter.

Adult↗

A simple procedure for aesthetic correction of the medial epicanthal fold.

The author presents a surgical procedure for aesthetic correction of the medial epicanthal fold. The procedure consists of an asymmetrical Z-plasty of the epicanthal fold where a flap is formed from the posterior surface of the epicanthal fold itself. This procedure does not require geometric planning and produces excellent anatomical and functional results, with inconspicuous scars.

Adolescent↗

[New bone distraction device for induced osteogenesis of the mandible. Experience with 126 clinical cases].

In this paper, the author describes the distraction devise designed and developed by the author to perform the procedure of inducted bone generation or "bone distraction". The characteristics, principles, and advantages of this device are also described in comparison with other more expensive devices. The author's clinic experience using this device: 126 patients with a maximum follow-up of 54/12 years and an average bone distraction of 31 mm. The procedure was done on patients from 8/12 to 38 years of age. Bone distraction is a good option for early reconstruction of craniofacial skeletal defects, eliminating the need for bone grafts, maxillo-mandibular fixation, and other more aggressive and complex procedures. The results obtained with this distractor show that it is a stable, precise, and useful device. Its low cost and the simplicity of the technique make it very accessible to every surgeon with some experience in bone surgery and craniofacial or othognatic surgery.

Adolescent↗