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At least 73 records · Page 4Linked to original sources
PubMed2004

Nonphysician practice of dermatologic surgery: the Texas perspective.

BACKGROUND: Increases in complications resulting from the nonphysician practice of dermatologic procedures have been reported nationally. This investigation was initiated owing to growing concern regarding the nonphysician practice of medicine in Texas. OBJECTIVE: The objective was to survey dermatologists in Texas to determine the number of patients seeking corrective treatment owing to complications from dermatologic procedures performed by nonphysicians. METHODS: A total of 488 dermatologists in Texas were surveyed and seven patients who experienced complications were interviewed by phone. RESULTS: Nearly 53% of responding physicians noted increased complications resulting from nonphysician practice of medicine. Approximately 33% of responding physicians reported that complications were known to have occurred in the absence of an on-site supervising physician. CONCLUSION: The increase in the number of complications owing to nonphysician practice of medicine in Texas mirrors the increases that have been reported nationally. The serious complications reported underscore the need for improved awareness and regulatory changes by state boards of medicine.

Clinical Competence↗
PubMed1998

Care before and after laser skin resurfacing. A survey and review of the literature.

BACKGROUND: The extent of the wound healing period and the final outcome of cutaneous laser resurfacing are influenced not only by the treatment protocol and type of laser used but also on care of the skin before and after the procedure. OBJECTIVE: This project was conducted to determine the pre- and postresurfacing care protocols currently in practice and to research the literature in an effort to clarify which interventions can accelerate wound healing and improve efficacy of the treatment. METHODS: Three hundred thirty-nine questionnaires were mailed to all dermatology and plastic surgery members of the American Society for Laser Medicine and Surgery (ASLMS). Questionnaires were completed anonymously to decrease respondent bias. Statistical analysis included calculation of percentages and means of the data. RESULTS: Survey results are discussed and compared with data from the literature for the following interventions: tretinoin cream, glycolic acid cream, hydroquinone, oral prophylactic antibiotics, oral prophylactic antivirals, hydrogel dressings, semiocclusive ointments, topical antibiotics, topical corticosteroids, oral corticosteroids, and dilute acetic acid soaks. CONCLUSIONS: Many options are appropriate, based on data from past studies, for pre- and postresurfacing skin care. Approximately 73% of the results of the survey correlate with information from the literature. Past studies do provide information to help us select interventions that can improve wound healing and the final cosmetic outcome. Further studies involving resurfacing patients may clarify some of the more complex wound care issues, such as oral prophylactic antibiotics, hydroquinone, and topical vitamins C and E.

Data Collection↗
PubMed2004

Elliptical excisions: variations and the eccentric parallelogram.

BACKGROUND: The elliptical (fusiform) excision is a basic tool of cutaneous surgery. OBJECTIVE: To assess the design, functionality, ease of construction, and aesthetic outcomes of the ellipse. DESIGN: A systematic review of elliptical designs and their site-specific benefits and limitations. In particular, we consider the (1). context of prevailing relaxed skin tension lines and tissue laxity; and (2). removal of the smallest possible amount of tissue around the lesion and in the "dog-ears." Attention is focused on intuitive methods that can be reproducibly planned and executed. RESULTS: Elliptical variations are easily designed and can be adapted to many situations. The eccentric parallelogram excision is offered as a new technique that minimizes notching and focal tension in the center of an elliptical closure. Conclusion The elliptical (fusiform) excision is an efficient, elegant, and versatile technique that will remain a mainstay of the cutaneous surgical armamentarium.

Dermatologic Surgical Procedures↗
PubMed2001

Influence of nozzle-to-skin distance in cryogen spray cooling for dermatologic laser surgery.

BACKGROUND AND OBJECTIVE: Cryogen sprays are used for cooling human skin during various laser treatments. Since characteristics of such sprays have not been completely understood, the optimal atomizing nozzle design and operating conditions for cooling human skin remain to be determined. MATERIALS AND METHODS: Two commercial cryogenic spray nozzles are characterized by imaging the sprays and the resulting areas on a substrate, as well as by measurements of the average spray droplet diameters, velocities, temperatures, and heat transfer coefficients at the cryogen-substrate interface; all as a function of distance from the nozzle tip. RESULTS: Size of spray cones and sprayed areas vary with distance and nozzle. Average droplet diameter and velocity increase with distance in the vicinity of the nozzle, slowly decreasing after a certain maximum is reached. Spray temperature decreases with distance due to the extraction of latent heat of vaporization. At larger distances, temperature increases due to complete evaporation of spray droplets. These three variables combined determine the heat transfer coefficient, which may also initially increase with distance, but eventually decreases as nozzles are moved far from the target. CONCLUSIONS: Sprayed areas and heat extraction efficiencies produced by current commercial nozzles may be significantly modified by varying the distance between the nozzle and the sprayed surface.

Cryotherapy↗
PubMed2000

Virtual reality for dermatologic surgery: virtually a reality in the 21st century.

In the 20th century, virtual reality has predominantly played a role in training pilots and in the entertainment industry. Despite much publicity, virtual reality did not live up to its perceived potential. During the past decade, it has also been applied for medical uses, particularly as training simulators, for minimally invasive surgery. Because of advances in computer technology, virtual reality is on the cusp of becoming an effective medical educational tool. At the University of Washington, we are developing a virtual reality soft tissue surgery simulator. Based on fast finite element modeling and using a personal computer, this device can simulate three-dimensional human skin deformations with real-time tactile feedback. Although there are many cutaneous biomechanical challenges to solve, it will eventually provide more realistic dermatologic surgery training for medical students and residents than the currently used models.

Computer Simulation↗
PubMed2001

The impact of herbal medicines on dermatologic surgery.

BACKGROUND: In recent years herbal medicines and supplements have become increasingly popular. With their increased popularity, more publications are warning about the potential harmful effects of some of these products. OBJECTIVE: To present scientific evidence of the benefits and surgical risks of herbal products. METHODS: A Medline search and review of the literature was performed. RESULTS: Many herbal medicines are relevant in dermatologic surgery since Ginkgo biloba, garlic, ginger, ginseng, feverfew, and vitamin E may increase the risk of bleeding, and ephedra may potentiate the side effects of epinephrine. CONCLUSION: Dermatologists should be aware of these herbal products and their uses. Many of these products prescribed by alternative medicine physicians or purchased over the counter should be discontinued prior to dermatologic surgery to minimize the risk of surgical complications.

Blood Loss, Surgical↗