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Perioperative evaluation and management in dermatologic surgery.

Thorough and efficient perioperative evaluation is mandatory for all patients undergoing dermatologic operation. Patients may present with concise or extensive medical histories, and an organized approach will focus attention on issues relevant to the patient's dermatologic disease and the planned surgical procedure. Management of common perioperative issues in a proactive and standardized manner, with opportunity to individualize decisions when clinical conditions indicate, is an efficient and optimal approach. This review highlights the efficient and thorough evaluation of perioperative issues and suggests guidelines for the optimal management of common perioperative issues, including cardiac devices, antibiotic prophylaxis, and anticoagulation.

Dermatology↗

Disparities in dermatology educational resources.

Patients with dark skin can present with morphologic variants, subtle disease presentations, and disease manifestations requiring unique management and therapies. With African Americans, Asians, and Hispanic Americans becoming a significant portion of the population, dermatologists must be able to diagnose and manage skin conditions in people of color. In this study, core dermatology educational sources were examined to determine if they provide dermatologists and trainees with the knowledge base necessary to diagnose and treat skin disease in the ethnic patient. Overall, the coverage of dark skin at national meetings and in photographs in the major dermatology resources is limited and variable. More consistent photographic coverage and textual information describing common and serious skin diseases in people of color should be incorporated into educational resources.

Dermatology↗

Detection and management of pornography-seeking in an online clinical dermatology atlas.

BACKGROUND: Increased use of an online educational archive of photographic dermatology case materials (DermAtlas) indicated unexpected pornography-seeking behavior and misuse. OBJECTIVE: We sought to assess the extent of archive misuse. METHODS: Web usage/request patterns were examined over a 6-month period for requests by anatomic site, diagnosis, and age group plus anatomic site. Free-text queries and referrals from external Web sites were reviewed. RESULTS: Of 7800 images, 5.5% contain genital sites. Of all requests, 11% were for anatomic sites (37% genital sites); 62% were specified for diagnoses (12% genital sites). When age group and anatomic site were specified, the relative risk of a child being requested (vs adult) was 1.48 (95% confidence interval 1.44-1.53). Of 10000 free text queries, 12% retrieved images containing genital sites. Of all referrals, 14.3% originated from nonmedical (pornography/fetish) Web sites. LIMITATIONS: Requests are mixed with legitimate queries. CONCLUSION: Online photographic dermatology archives are vulnerable to misuse. Monitoring and intervention are necessary to preserve their availability and integrity.

Dermatology↗

Even patients with changing moles face long dermatology appointment wait-times: a study of simulated patient calls to dermatologists.

BACKGROUND: Previous studies have shown long wait-times for general dermatology patients seeking routine appointments. No evidence has been gathered on wait-times for patients with urgent problems or on the impact of physician extenders on access to dermatologic care. OBJECTIVE AND METHODS: To evaluate access for patients with an urgent problem, we performed scripted patient telephone calls to 851 dermatologists to assess wait-times for both patients with Medicare and those paying out-of-pocket complaining of a changing mole. RESULTS: Mean wait-times were similarly long for patients paying out-of-pocket (38.2 days) and those on Medicare (38.9 days; P = .85). Acceptance rates and wait-times varied greatly by geographic area (range of mean wait-times, 19.7-73.4 days). Many dermatologists (23.3%) employed a physician extender, and the wait-times for these extenders (27.9 days) were significantly shorter than those for the physicians supervising them (45.8 days; P < .001). LIMITATIONS: The metropolitan areas sampled represented about one tenth of practicing dermatologists in the United States, and no remote or highly rural communities were included. CONCLUSIONS: Patients with a changing pigmented lesion, a possible indicator of malignancy, face wait-times just as long as those previously published for patients with routine complaints. Medicare patients did not experience any greater barriers to access. Although the use of physician extenders remains controversial, these practitioners were able to schedule patients more quickly than their supervising physicians.

Appointments and Schedules↗

Analysis and stability study of myristyl nicotinate in dermatological preparations by high-performance liquid chromatography.

Myristyl nicotinate is an ester prodrug under development for delivery of nicotinic acid to skin for treatment and prevention of conditions that involve skin barrier impairment such as chronic photodamage and atopic dermatitis or for mitigating skin barrier impairment that results from therapy such as retinoids or steroids. The formulation stability of myristyl nicotinate is crucial because even small amounts of free nicotinic acid cause skin flushing, an effect that is not harmful but would severely limit tolerability. We report here reversed-phase HPLC methods for the rapid analysis of myristyl nicotinate and nicotinic acid in dermatological preparations. Because of the large differences in polarity, myristyl nicotinate and nicotinic acid were analyzed by different chromatographic conditions, but they can be rapidly extracted from cream formulations using HPLC mobile phase as a solvent followed by HPLC analysis in less than 10 min. The methods were validated in terms of linearity, precision and accuracy and mean recovery of myristyl nicotinate from topical creams ranged from 97.0-101.2%. Nicotinic acid at levels of 0.01% in the formulations could be quantified. Stability studies show that myristyl nicotinate formulations are stable at room temperature for 3 years with less than 0.05% conversion to nicotinic acid. These methods will be effective for routine analysis of myristyl nicotinate stability in dermatological formulations.

Calibration↗

The use of mid-level providers in dermatology: a liability risk?

The use of mid-level providers, nurse practitioners, and physician assistants is growing in the practice of dermatology, fueled by a perceived shortage of dermatologists and the promise of practice enhancement. Exactly how the physician extender is used in the dermatology practice can either increase or decrease the risk of malpractice liability and ultimately may be a factor in whether the dermatologist prevails in a malpractice case. Although dermatologists can delegate care to physician extenders, they cannot delegate the liability risk. It is up to the dermatologist to embrace those principles and practices that enhance patient care, decrease medical errors, and improve physician/practice patient relationships to ultimately decrease the risk of malpractice liability.

Dermatology↗

Integrating biologic therapies into a dermatology practice: practical and economic considerations.

This article discusses the issues involved in the integration of biologic therapies for psoriasis into a dermatology practice. The requirements for staff, space, and other office adaptations are reviewed for infliximab, efalizumab, etanercept, and alefacept in their current injectable forms. Dermatologists will likely elect to offer some or all of these therapies depending on the adjustments necessary within their current practice, patient satisfaction, and the economic possibilities. This article provides information needed to guide dermatology practices in practical decisions regarding the use of biologic therapies.

Alefacept↗

The National Association of Insurance Commissioners (NAIC) Medical Malpractice Closed Claim Study 1975-1978. A review of dermatologic claims.

The National Association of Insurance Commissioners (NAIC) Medical Malpractice Closed Claim Study 1975-1978 is the first major uniform nationwide survey of its kind. A total of 71,782 closed claims were reviewed during a 3 1/2-year period. Approximately one third of these claims involved indemnity payments. A review of the dermatologic closed claims with indemnity payments included in the study revealed that dermatologists accounted for 127 claims representing 0.7% of total paid claims, with payments totaling +2,549,125 representing 0.6% of total indemnity dollars paid. Since our specialty represents 1.4% of all practicing physicians, it is clear that the NAIC study reaffirms dermatology as being among the lowest malpractice risk specialties.

Dermatology↗

Significant progress in dermatologic research since 1977.

Some active fields of experiment dermatology have been selected to demonstrate the interaction between basic research and clinical dermatology. The identification of the Langerhans cell, the typing of mononuclear cells, and the identification of T cell growth factors have significant implication in contact dermatitis, lymphomas, etc. The group of papovaviruses is better defined in relationship to the type of disease that they produce and its oncogenic potential. Various types of vasculitis are better understood, thanks to research in humoral immunity and complement activation. Melanogenesis and its control by peptides is progressing. New specific proteins have been identified in the connective tissues, and their role has been clarified. Identification of specific proteins of keratinocytes and study of differentiation of these cells have provided useful information and some skin disorders. The control of epidermal cell proliferation and differentiation, through membrane receptors, growth factors, and intracellular enzymes, is progressively giving clues to the understanding of genetic disorders, cancers, the effect of retinoids and phototherapy.

Complement Activation↗

A dermatology-psychiatry liaison clinic.

A dermatology-psychiatry liaison clinic at Stanford University is described. The clinic provides an opportunity for dermatology residents to learn about the psychological aspects of the specialty and to witness at first hand technics of interviewing, strategic questioning, and listening.

Adult↗

Radiation therapy in dermatologic training centers.

A survey of dermatologic training centers in the United States and Canada discloses that only 12% use conventional x-ray therapy intramurally and an additional 15% utilize grenz ray therapy. Although many refer patients to radiologists on a regular basis, half of the present training programs consider radiation therapy unnecessary or undesirable except in the unusual situation. Steps should be taken to assure radiation therapy an appropriate place in the dermatologic armamentarium.

Academic Medical Centers↗

The subspecialty of pediatric dermatology.

Department chairmen of 127 certified pediatric and eighty-six certified dermatology residency programs were surveyed in an attempt to characterize the subspecialty of pediatric dermatology. Responses were received from 114 different institutions. The results indicate that pediatric dermatologists are located mainly in large teaching hospitals (pediatric wards with more than 100 beds or children's hospitals) and selected private practice settings. Fifty-eight percent of pediatric dermatologists are less than 40 years of age. Forty-nine percent of these individuals are board-certified in both specialties. Very few "pediatric dermatologists" see pediatric patients exclusively. Only 20% have a patient population that is composed of more than 75% children. The responses also suggest that professional opportunities in this subspecialty are limited at the present time.

Adult↗

Manifesto of space medicine: the next dermatologic frontier.

As the fields of astronomy, cosmology, and space travel move rapidly forward, so must space medicine. The manned space program and medical knowledge and support have developed in tandem. Dermatology will play a fundamental role in survival during space flight. This paper reviews past, present, and future accomplishments of the space program as they relate to medicine and characterizes some of dermatology's multiple roles in the future. It further explores the immunologic alterations noted during space flight and the attendant implications for health and well-being both in flight and on return to Earth, or to an Earthlike environment.

Aerospace Medicine↗

Resolution requirements for digital images in dermatology.

BACKGROUND: The digital image has become an important tool in dermatology because of the rapid development of computer hardware, networks, and the World Wide Web. OBJECTIVE: Our purpose was to examine the resolution requirements for digital images. METHODS: Slides of eight selected images showing characteristic lesions were produced in five different resolutions each, ranging from 192 x 128 x 24 (192 pixels x, 128 pixels y, and 24-bit color depth) up to 3072 x 2048 x 24. They were compared side by side by a group of six experienced dermatologists using a standardized questionnaire. RESULTS: Images at the resolution of 768 x 512 x 24 were perceived as equivalent to higher resolutions, whereas a clear difference was visible between 768 x 512 x 24 and 384 x 256 x 24. The slide projector had a significant influence on the rating of the images. CONCLUSION: For digital images in dermatology a resolution of 768 x 512 x 24 is suitable to recognize the relevant details of the source image.

Dermatology↗

Two hundred years of dermatology.

Two hundred years ago the English physician Robert Willan published the first section of his masterwork, On cutaneous diseases. In it he described and demonstrated a new way of examining cutaneous eruptions that enabled physicians dealing with skin diseases to impose, for the first time, a significant degree of order on a field in which disorder had been the rule. The utility and successful application of the new approach soon attracted the attention of a talented cadre of physicians who embraced the study of the skin and its problems with enthusiasm, and dermatology as a specialty came into its own. The details of the Willan approach and the overwhelming influence it exerted on the future of the specialty are described in this article. 1798, the year the section was published, was an annus mirabilis for dermatology, and 1998 can be considered the bicentennial of the birth of the specialty.

Dermatology↗

Dermatology and the World Wide Web.

The WWW has an almost unlimited amount of information stored and available to users. There is already much information pertaining to the specialty of dermatology but relatively little information specific to veterinary dermatology. The amount of information placed on the web continues to increase, so familiarity with the web is a necessity in today's world and the future. We must develop our use of the web for teaching, client education, and increasing communication between colleagues.

Animals↗

Streptococcus pyogenes hospital-acquired infection within a dermatological ward.

Seventeen strains of Streptococcus pyogenes were isolated from 17 patients in the Dermatological Ward of Gunma University Hospital in Japan between June 1994 and March 1995. Of these 17 strains, 14 were isolated from the pus of skin infections, two from blood, and one from ascitic fluid. The strains showed the same minimum inhibitory concentrations; 4 mg/L of minomycin, 4 mg/L of ofloxacin and 16 mg/L of fosfomycin. T-antigen typing of the strains indicated they were T11 type. The restriction endonuclease digestion patterns of chromosomal DNA from the 17 strains were all identical. The vinyl sheet covering the bed on which the patients were treated was found to be contaminated with S. pyogenes. This strain showed identical characteristics to the strains derived from the patients. These results suggest that S. pyogenes was transmitted to patients in the Dermatological Ward from the surface of the vinyl sheet covering the bed.

Bedding and Linens↗

Dermatology for the nondermatologist: a problem-oriented system.

We describe a logical and systematic approach to unknown dermatologic disease entities that utilizes a simple algorithm which, when properly applied, expeditiously narrows the differential diagnosis and provides a key to standard reference books. We find this algorithm system to be superior to the common and often frustrating exercise of leafing through the dermatologic atlas in search of a picture that matches the presenting rash.

Dermatology↗