Treatment of cutaneous ulceration after cochlear implantation surgery.
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Biomedical subjects
Publications and source records attributed to V Paloma.
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Dynamic cardiomyoplasty is a technique for ventricular assistance indicated for the correction of left ventricle aneurysm and for cardiomyopathies in which heart transplantation is contraindicated. In this article, our first four patients to undergo cardiomyoplasty (from February 1991 until April 1992) with a left latissimus dorsi island flap, rotated into the thorax after a 3-week training period, are reviewed. Therapeutic indications were cardiomyopathy with contraindication for heart transplant in patients 1 and 4 and associated to surgery for left ventricle aneurysm for patients 2 and 3. Patient 1 died 4 months after surgery because of a cerebral embolism when he was at functional class II. The other three patients remain at functional class I, carrying out normal activities. All the data were evaluated with the paired t test. Ejection fraction values (obtained through echocardiography and scintigraphy studies) and maximum minute flow rate of blood (measured with an echo-Doppler) have increased significantly (p < 0.001, p < 0.05, and p < 0.01, respectively) after heart surgery. Clinical improvement has been found after cardiomyoplasty, which correlates with an increase in ejection fraction and maximum minute flow rate of blood.
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A modification of the Abbe-McIndoe technique for the treatment of congenital absence of the vagina, using a cylindrical tissue expander wrapped in a mesh split-thickness skin graft, instead of a rigid silicone mold, is presented. The expander was kept in place for a period of two to six months and the functional result was 100 percent in all the six patients treated. Our experience led us to change the design of the expander (cylindrical, without ring, 10X4 centimeters) and to place the valve in the inner thigh as the best site for the valve. The age range of the patients was 18 to 27 years, and the final result was good or very good in five of the six women. Only one patient has occasional dyspareunia, which does not prevent sexual intercourse.
We present a technique for reconstruction of the legs in patients with soft-tissue loss and formation of large scars with retraction of this tissue in the pretibial region. In such patients, a subcutaneous tissue expander is placed in the region adjacent to the scar tissue. With expansion, we obtained sufficient skin for use in the reconstruction, and the resulting asymmetry in leg diameter was compensated for by means of one or two calf prostheses, depending on the patient.
The use of a vascularized graft from the fibula for mandibular reconstruction is presented. The great strength, pliability, and long vascular pedicle that characterize such grafts make them particularly suitable for this type of repair. The results in six cases were highly satisfactory. Masticatory function was well restored, without alteration of the facial contour, and with minimal sequelae at the donor site.
Simultaneous reconstruction of both feet with a single vascularized latissimus dorsi free flap is reported. The authors describe the repair of extensive dorsal and plantar defects, as well as of heel lesions secondary to osteitis of the calcanei. The latissimus dorsi free flap serves well in combining the classic cross-leg procedure with microsurgical techniques.
In oncology jaw reconstruction, the probability of infection, sequestration and failure in scarring is high. For this reason, we use a vascularized free bone graft, whose direct blood flow makes it much more resistant to support the attendant properly. The use of bone scintigraphy by means of three phases acquisition technique is very effective to evaluate the viability of these vascularized grafts during the first days after surgery, in order to adjust the attendant treatments and to prevent the possible complications.
Our surgical protocol for reconstruction of eyelid's defects after tumor excision is presented. Each technique is applied depending on the site and extension of the lesion and also on the pathologic characteristics of the tumor.
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