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Biomedical subjects

D N White

Publications and source records attributed to D N White.

At least 37 records · Page 2Linked to original sources
PubMed1988

532-nanometer green laser beam treatment of superficial varicosities of the lower extremities.

Green laser light at 532 nm was utilized in an attempt to thrombose and blanch superficial varicosities of the lower extremity in 14 patients. Selective vascular damage with sparing of overlying skin was the theoretical rationale for use of green light. Seven of the 14 patients achieved satisfactory results (total or near-total obliteration of vessels without scarring) after a 6-month period of observation.

Adult↗
PubMed1988

Computerized suction lipectomy aspirator monitor for improved results in suction lipectomy.

A new computerized suction aspirator monitor is described. This device offers the benefits of instantaneous and concurrent scientifically accurate readout of aspirate contents in five separate bodily areas. Thus knowledge of amounts of blood versus fat can be immediately known without resorting to guess, estimate, or cumbersome lipocrit determination by centrifuging. Advantages of such a device include better accuracy in determination of fat removal from each area, with improvement of symmetrical fat removal. More exact determination of blood loss with improved hemodynamic replacement is also more easily and safely accomplished. In an area of mystique, experience, artistry, and aesthetic appreciation which has cloaked the initial enthusiasm for suction lipectomy, a new generation of scientific accuracy is now possible. Thus accurate determination of aspirate content vis-a-vis fat and blood can now transform this procedure into a more sophisticated and scientifically accurate operation which traditionally is desired by most practitioners of suction lipectomy.

Adipose Tissue↗
PubMed1987

Dot or pointillistic method for improvement in results of hypertrophic scarring in the argon laser treatment of portwine hemangiomas.

In an attempt to limit scarring, 51 patients have been treated over a period of 2 years with the argon laser in a dot or pointillistic fashion. One- to 2-mm dots are blanched at intervals of 1-2 mm with minimal power, and the interspaces are filled in at 12 weeks. Scar-prone areas of the face such as the upper lip, nasolabial fold, nose, and lower lip have been successfully treated with minimal scarring and good fading. Lesions of the trunk and extremity have also been successfully treated.

Adult↗
PubMed1987

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↗
PubMed1987

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↗
PubMed1987

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↗
PubMed1987

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↗
PubMed1985

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↗
PubMed1985

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↗
PubMed1984

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↗
PubMed1984

Efficacy of the carbon dioxide laser in hand surgery.

The use of the carbon dioxide laser for minor hand problems is reviewed, and the physiological effects of laser treatment are discussed. Forty-one patients have been treated during a one-year period for warts, nail disorders, and a variety of benign neoplasms. Results of CO2 laser treatment are equivalent to those of other methods with less pain and disability. Future applications of the CO2 laser are discussed.

Hand↗
PubMed1981

Tensor fascia lata myocutaneous flap in lower abdominal wall reconstruction.

The tensor fascia lata myocutaneous flap provides a reliable autogenous building block for anatomical lower abdominal wall reconstruction. Preservation of innervation allows maintenance of voluntary motor control and protective sensation. The excellent blood supply of this flap is particularly helpful in reconstructing previously irradiated areas. A one-stage repair is possible, leaving minimal secondary defect. We describe 4 patients illustrating the uses and versatilty of this flap. Anatomy, operative procedures, and indications for delay are also discussed.

Abdominal Muscles↗