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Biomedical subjects

L F Elliott

Publications and source records attributed to L F Elliott.

At least 19 recordsLinked to original sources

Breast augmentation with round, smooth saline or gel implants: the pros and cons.

Breast augmentation is a procedure that can be performed successfully in many different ways. Large series are reported routinely, with greater than 95% patient satisfaction. It is clear that this is a procedure that has greatly benefited women and thereby society in general. It is inappropriate to be too dogmatic about each individual's technique, because many different techniques have achieved a high degree of success in terms of patient satisfaction and final results. That is not to say, however, that surgeons still are not plagued by the two most common downsides to this operation: capsular contracture and implant leakage. Certainly, strides have been made in the cause of prevention of capsular contracture in the past 20 years of the author's association with plastic surgery, but the author's opinion is that research has been hampered by the Food and Drug Administration's overprotection of women. There is no doubt that progress toward solving these two problems has been slowed by the current implant environment. Despite these handicaps, however, plastic surgery has continued to improve this procedure and now is delivering a successful and reproducible surgery using the saline implant. Most surgeons doubted this in the early 1990s, however. Plastic surgeons must continue to strive for improvements that serve patients and themselves in this new century.

Breast Implants↗

The Rubens flap. The deep circumflex iliac artery flap.

The Rubens free flap for breast reconstruction is another choice for autogenous tissue breast reconstruction. It uses the fatty area in the region generally described as the hip overlying or just above the iliac crest. It is based on the deep circumflex iliac artery and is indicated as a secondary choice in the presence of a previous abdominoplasty or transverse rectus abdominis myocutaneous (TRAM) flap breast reconstruction. Closure of the abdominal wall musculature along the iliac crest is the most exacting portion of this operation and is a key to its ultimate success.

Female↗

High leg incision fascia lata harvesting.

OBJECTIVE: The traditional method of harvesting fascia lata has been through an incision above the lateral knee. Problems with this method include a conspicuous scar, herniation of the muscle belly, and hematoma formation. The authors describe a new method of harvesting fascia lata in the region of the hip to minimize these complications. DESIGN: Cohort study. PARTICIPANTS: Twenty-three patients underwent harvesting of fascia lata by the technique described by the authors. Twenty-one patients had ptosis with poor levator function. In two patients, the fascia lata was used to wrap a hydroxyapatite implant. INTERVENTION: The technique for harvesting fascia lata through an incision between the greater trochanter and anterior iliac crest is described. Long-term results were collected from chart reviews and patient interviews after surgery. MAIN OUTCOME MEASURES: The patients were evaluated to determine whether any complications resulted from the new incision site. RESULTS: No permanent complications were noted at the incision site. CONCLUSIONS: Fascia lata can be harvested safely in the region of the iliac crest with an inconspicuous scar and with fewer complications than with the more traditional site slightly above the lateral knee.

Adolescent↗

Geographic analysis of pathogen exposure in bighorn sheep (Ovis canadensis).

Antibody responses were examined among 998 bighorn sheep (Ovis canadensis) in California (USA) to determine spatial patterns of pathogen exposure. Using a shifting frame analysis, a specific geographic region was delineated that contained bighorn sheep with higher (P < 0.05) levels of multiple exposure (antibodies detected against > or = two pathogens), as well as higher prevalence values for eight of ten individual pathogens. This region in southwestern California encompassed all of the peninsular populations of bighorn sheep recently proposed for listing as endangered by the U.S. Fish and Wildlife Service.

Animals↗

Options for donor sites for autogenous tissue breast reconstruction.

There are now a number of viable choices for autogenous tissue breast reconstruction. These include the TRAM flap, the LTTF flap, the gluteal flap, the latissimus flap, and the Ruben's flap. The criteria for choosing one site over another should include donor site deformity, ease or difficulty of technique, availability of tissue, ability to shape the tissue into a new breast, and patient acceptance. Using the author's experience and these criteria, each procedure is compared with the others to give the reader a schema for choosing the most appropriate donor site in future patients.

Abdominal Muscles↗

Immediate TRAM flap breast reconstruction: 128 consecutive cases.

The purpose of this article is to determine whether or not the transverse rectus abdominis musculocutaneous (TRAM) flap procedure is a practical operation for immediate breast reconstruction. Our series reports 128 consecutive patients who underwent immediate breast reconstruction with the TRAM flap from 1985 to 1990. Of these patients, 86 underwent conventional TRAM, while 40 underwent free TRAM breast reconstruction. Two-thirds of the patients underwent bilateral breast reconstruction. Comparison within this series of the free TRAM versus the conventional TRAM flap revealed improved statistics with regard to the free TRAM flap in a shorter hospitalization time and a decreased incidence of fat necrosis. There is no evidence to date that there is an increased chance of local recurrence with immediate breast reconstruction in this series, and chemotherapy was delayed in a single patient because of healing problems after immediate reconstruction. Operative times and the complication rate seem to be improving as compared with other series previously reported. The TRAM procedure, particularly the free TRAM procedure, is a primary choice for immediate breast reconstruction after mastectomy.

Breast Neoplasms↗

Progressive hemifacial atrophy associated with Lyme disease.

A case is described of progressive hemifacial atrophy occurring in a child with Lyme disease. Borrelial infection may have been an etiologic factor in the progressive hemifacial atrophy, which was ultimately treated with an SIEA free-flap transfer.

Adipose Tissue↗

The extended pectoralis major myocutaneous flap: uses and indications.

The vascular territory of the pectoralis major muscle and overlying skin was studied by selective intraarterial dye injections in fresh cadavers. The area of skin overlying the anterior chest and abdominal wall beyond the limits of the pectoralis major muscle that can be elevated as an extended myocutaneous flap was determined. The cadaver injections were evaluated to determine the size and shape of the skin island used to reconstruct defects of the head, neck, and upper trunk with an extended skin paddle off the pectoralis major muscle. Pectoralis muscle flaps with variously shaped skin paddles, some extending beyond the limits of the muscle, were used in 27 patients to cover large soft-tissue defects of the upper thorax, face, and floor of the mouth and as a skin tube to reconstruct the cervical esophagus. The size of the skin paddle ranged from 5 x 7 cm to 26 x 16 cm. All flaps survived completely, and there were no major donor-site complications.

Adult↗

Breast reconstruction following mastectomy: an update.

Breast reconstruction today is a realistic and vital part of total breast cancer treatment. All physicians should be well informed on current methods of reconstruction so that they can present the facts to their patients in an encouraging, yet realistic manner. Recent developments in breast reconstruction after mastectomy have included the increase utilization of immediate breast reconstruction at the time of mastectomy, the improvement and refinement of the TRAM flap, the increased use of the "free" flap transfer of the TRAM flap which increases blood supply to the flap, texturing of implants which appears to increase their stability on the chest wall and reduce the incidence of capsular contracture or firmness, and the introduction of the newer autogenous tissue methods including the LTTF, gluteal, and latissimus dorsi flaps. Plastic surgeons are charged with the task of becoming proficient in breast reconstruction procedures in order to offer the mastectomy patient a safe, realistic facsimile breast that will be trouble free. Fortunately, there are several good options for restoring the breast after mastectomy. The method of reconstruction should be chosen by matching the desires of informed patients with the indications and contraindications in each case. In general, silicone reconstruction is expedient and satisfactory in most patients. However, it cannot compete with autogenous tissue transfer for severe chest wall defects, covering irradiated areas, creating a large, ptotic breast, or providing a natural appearing, soft breast mount.

Breast Neoplasms↗

A triceps musculocutaneous flap for chest-wall defects.

A posterior upper arm flap based on the profunda brachii vessels has been described to cover soft-tissue defects in the upper anterolateral chest. In our series, the posterior upper arm skin is elevated with the long head of the triceps muscle to cover seven chest-wall defects resulting from indolent postradiation open wounds following partial TRAM flap failure (n = 2), soft-tissue deficiencies following partial TRAM flap loss (n = 3), and primarily as an ancillary flap in TRAM flap breast reconstruction (n = 2). This flap also may be used to supply well-vascularized tissue in the regions of the shoulder, axilla, and posterolateral back. A prerequisite for this operation is redundant tissue of the upper arm often present in middle-aged women and in patients with lymphedema following mastectomy. In our series of seven patients, all donor sites were closed primarily, and there was no subjective functional deficit following transfer of the long head of the triceps muscle.

Arm↗

The lateral transverse thigh free flap: an alternative for autogenous-tissue breast reconstruction.

The lateral transverse thigh free flap is a horizontal variant of the more commonly known vertical tensor fasciae latae myocutaneous free flap. Fresh cadaver injections of the lateral circumflex femoral artery indicated simultaneous perfusion of the upper lateral thigh tissues and the standard tensor fasciae latae territory extending down the lateral thigh. These experimental data strongly indicated that the clinical application would be successful. The flap is composed mostly of fat from the prominence of the upper lateral thigh ("saddlebags") based on a small plug of underlying tensor fasciae latae muscle. The amount of skin that can be included with this flap is limited in a vertical dimension to about 6 to 8 cm but is determined by the ability to close the defect. We have performed 17 flaps in 11 patients with up to 18 months of follow-up. Ten were delayed and 7 were immediate reconstructions. The chest and hip dissections are performed simultaneously by two microsurgeons. There has been one flap loss due to arterial disruption on day 3. An early problem was seroma formation in the donor site, which has been improved in the later patients by closing the dead space with sutures. The lateral transverse thigh free flap has the following advantages over other methods of autogenous-tissue breast reconstruction: (1) longer, more peripherally placed vessels, (2) easier flap dissection and no need to turn the patient during the procedure, (3) decreased postoperative morbidity and more rapid recovery, (4) reduction of an area of excess fat in those patients in whom the hips are more prominent than the abdomen, (5) greater intrinsic internal projection of the flap, and (6) excellent vascularity. The disadvantages of the flap are (1) microsurgery is required, (2) the amount of skin available is not as great as that with the gluteal or transverse rectus abdominis musculocutaneous (TRAM) flap, (3) the scar on the upper lateral thigh is probably more visible than on the buttock or the abdomen, and (4) a balancing procedure on the opposite hip is usually necessary in unilateral cases. Our current indications for the lateral transverse thigh free flap are (1) the transverse rectus abdominis musculocutaneous flap is unavailable, (2) for a particular breast size, the thigh fat proportions are greater than the abdominal proportions, or (3) the patient prefers this option to the transverse rectus abdominis musculocutaneous or gluteus flap. Results and complications with the lateral transverse thigh free flap will be presented along with pertinent comparisons with the other choices for autogenous-tissue breast reconstruction.

Adult↗

Aesthetic refinements in reconstructive microsurgery.

The vast array of free tissue options available to reconstructive surgeons plus our knowledge of vascular systems now provide us with the wherewithal to not only fill a defect but to do so aesthetically and with minimal donor site morbidity. The authors discuss setting reconstructive goals that include refined and aesthetic results for deficit and donor site alike and demonstrate how, in many situations, these goals can be achieved.

Esthetics↗

Segmental latissimus dorsi free flap: clinical applications.

For 15 years, the latissimus dorsi muscle has enjoyed a consistent reputation with reconstructive surgeons as a reliable pedicle or free flap transferred with or without a skin island. Previous laboratory investigation has delineated the neurovascular intramuscular anatomy. The segmental latissimus transfer makes use of the intramuscular anatomy such that a lateral segment of the muscle is denervated and transferred with the thoracodorsal vascular pedicle while the medial segment of the muscle remains in situ innervated normally and perfused by the dorsal perforating branches of the ninth, tenth, and eleventh intercostal vessels. In this article we report our results using segmental free flap transfer of the latissimus dorsi muscle in 11 patients. Electromyographic studies have been performed more than a year postoperatively to document the function of the residual latissimus left in situ. Our clinical observations show that the segmental free transfer of the latissimus dorsi muscle can be accomplished with little risk in those situations not requiring the entire muscle, and that the portion of the muscle not transferred continues to function well and improves the contour of the back.

Adolescent↗

Microvascular free-tissue transfer in children.

We have reviewed our experience with 22 microvascular free-tissue transfers in children. Ages range from 2 to 14 years; the success rate was 96 percent. Two patients underwent reexploration for postoperative hemorrhage, possibly due to treatment with low-molecular-weight dextran. No vessel spasm was observed, compared with a 28 percent incidence in our adult series of 154 patients. The vessels were in pristine condition. Operative time was shorter (6.1 hours) than in our adult series (9.7 hours). Average hospital stay was 10 days (compared to 23 days for adults). All children have resumed almost normal activity within 2 months (4 months for adults). Results of this study indicate that microvascular free-tissue transfer can be accomplished safely and expeditiously in children. Care should be taken in preoperative and postoperative planning, however, especially concerning immobilization.

Adolescent↗