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Biomedical subjects

D B Apfelberg

Publications and source records attributed to D B Apfelberg.

At least 55 records · Page 3Linked to original sources

Preliminary report on use of the neodymium-YAG laser in plastic surgery.

Thirty-four patients with 57 cutaneous lesions have been treated with the Nd:YAG laser under an experimental protocol over a year of study. The majority of treatments were done on an outpatient basis under local anesthesia. Capillary/cavernous hemangiomas of the oral cavity responded well, but hemangiomas of infancy responded poorly. Hypertrophic scars and keloids responded well only in conjunction with steroid treatment. Epistaxis in patients with hereditary hemorrhagic telangiectasia responded well for 4-5 months and then recurred. Areas with thin skin or mucosa have the potential for full-thickness injury with complications of scar, bony exposure, or septal perforation.

Adolescent↗

Study of three laser systems for treatment of superficial varicosities of the lower extremity.

Three separate laser modalities were investigated in the treatment of superficial varicosities/telangiectasias of the lower extremities. Sixteen patients were treated and followed for 12 months. The superpulse CO2, the pulsed focally specific CO2, and the Nd:YAG laser transmitted through a diffusing sapphire tip were able to produce cosmetically satisfactory permanent obliteration of vessels after a 12-month follow-up interval. These results were a significant improvement over six-month results indicating a long fading time for laser treatment of leg veins.

Adult↗

Superpulse CO2 laser treatment of facial syringomata.

Eight patients with facial syringomata have been treated with the superpulse CO2 laser and followed for periods up to 3 years. Superpulse capability allows satisfactory photovaporization of overlying skin and exposure and liberation of the underlying cyst. Healing was satisfactory with minimal scarring and no persistence or recurrence of syringomata in five of eight cases.

Adenoma↗

Treatment of xanthelasma palpebrarum with the carbon dioxide laser.

Six patients with xanthelasma palpebrarum of the eyelids have been treated with the CO2 laser and followed for periods varying up to 4 years. Satisfactory cosmetic results were achieved in all patients without significant scarring, and no recurrence has been discovered thus far.

Eyelid Diseases↗

Carbon dioxide laser use for certain diseases of the toenails.

The CO2 laser has facilitated the treatment of many toenail conditions. Satisfactory wound healing and cure rates have been equivalent to current standards of treatment. Pain was markedly diminished as compared with pain in traditional methods of treatment, and time until comfortable ambulation was dramatically shortened. Healing times were consistent with those in other methods of treatment. The protocol for CO2 treatment of nail conditions has been thoroughly described. Evaluation of 50 patients after 4 years from treatment date is tabulated. The CO2 laser must be strongly considered as a treatment modality for toenail pathology. Because of markedly reduced pain, minimal disability, and satisfactory long-term results, the laser is becoming a valuable treatment of choice for pathologic conditions of the nail.

Carbon Dioxide↗

Decorative and traumatic tattoo biophysics and removal.

Decorative and traumatic tattoos represent foreign-body implantation into various depths of the dermis. Many methods of removal have been attempted with varying rates of success. Surgical excision with primary closure or grafts or flaps may be successful. Mechanical or chemical removal is useful as well. Thermic treatment including use of the argon and carbon dioxide lasers can remove tattoo pigment satisfactorily.

Administration, Topical↗

Preliminary investigation of KTP/532 laser light in the treatment of hemangiomas and tattoos.

Preliminary investigation of a frequency-doubled YAG laser (KTP 532 nm) manufactured by Laserscope of Santa Clara was undertaken. Twenty-five patients with either port wine hemangiomas or decorative tattoos were treated with a 532-nm light and the results compared to argon laser at identical power settings. Clinical and histological results were identical between the two lasers.

Adult↗

Summary of argon laser usage in plastic surgery.

Pathophysiology and clinical usage of the argon laser is reviewed. The powerful blue-green light produces tissue ablation and photocoagulation. Vascular lesions such as hemangiomas and telangiectasias are easily blanched as are inflammatory lesions. Decorative tattoos and other miscellaneous pigmented lesions can be effectively lightened or eliminated by the argon laser.

Adult↗

Summary of carbon dioxide laser usage in plastic surgery.

Pathophysiology and clinical usage of the carbon dioxide laser is reviewed. The unique light is capable of relatively bloodless excision when finely focused or vaporization and cautery when defocused. Malignant and infectious lesions can be resected and sterilized by the laser's heat. "Laserbrasion" can remove superficial lesions such as tattoos, xanthelasma, warts and other similar lesions.

Carcinoma, Squamous Cell↗

Comparison of argon and carbon dioxide laser treatment of decorative tattoos: a preliminary report.

Seven patients with either homemade or professional decorative tattoos have been treated with both the argon and CO2 lasers and studied clinically as well as histologically. The argon laser is absorbed by dermal pigment and vaporizes this pigment out of the skin. The CO2 laser vaporized tissue layer by layer and must be accompanied by mechanical debridement. Results and complications of treatment with the two lasers were markedly similar, as were histological studies.

Adolescent↗

Carbon dioxide laserbrasion for treatment of adenoma sebaceum in tuberous sclerosis.

Adenoma sebaceum is a disfiguring facial deformity that constitutes part of the multiple system involvement in tuberous sclerosis. Three affected patients have been treated with carbon dioxide "laserbrasion," which has resulted in a long-lasting improvement without scarring or recurrence. Tuberous sclerosis is described, and the CO2 technique is discussed.

Adenoma↗

Benefits of the CO2 laser in oral hemangioma excision.

Twenty-one patients with small localized oral cavity hemangiomas of the lips, tongue, and buccal mucosa are reported in this series. Although the lesions were not massive or high-flow/high-pressure vascular tumors, the simultaneous cutting and coagulation capabilities of the CO2 laser were demonstrated, rendering such excisional surgery more precisely and easily accomplished with a great deal less bleeding and a marked reduction in postoperative pain and edema. Many of the patients in this series were done as outpatients under local anesthesia. Results were acceptable and complications were minimal. Thus this laser is recommended both for the patient care and comfort aspects and the ability to render oral cavity hemangioma excisional surgery much more safely and easily done with a significant decrease in hospital utilization and overall medical expenses.

Carbon Dioxide↗

Use of the argon and carbon dioxide lasers for treatment of superficial venous varicosities of the lower extremity.

Superficial telangiectasia of the lower extremity in 38 patients was treated with both argon and CO2 lasers. Results after five months revealed no change or worsening of the veins in 49% of the patients and good to excellent improvement or segmentation in 16% of the patients. The most common complication was brown hemosiderin bruising in almost half of the patients.

Adult↗

Review of usage of argon and carbon dioxide lasers for pediatric hemangiomas.

Pathophysiological effects of the argon and carbon dioxide lasers are discussed in detail in reference to pediatric hemangioma problems. Capillary/cavernous hemangioma excision by lasers is illustrated by case examples. Benefits as well as indications for laser usage in the pediatric age group are reviewed. Relatively bloodless excision of hemangiomas by the laser renders this modality particularly valuable for pediatric patients.

Adolescent↗