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Biomedical subjects

M J Rothe

Publications and source records attributed to M J Rothe.

At least 19 recordsLinked to original sources

Selected topics related to occupational exposures.

The auditory and nonauditory effects of noise can be quite profound, affecting approximately 15 to 20 million Americans. As with most occupational toxins, recognition and careful assessment of noise exposure are the foundation on which preventive measures and treatment are based. Dosimeters can measure noise exposure over specific time periods. Pure tone air conduction audiometric monitoring should be performed on an annual basis in workers at risk for significant noise exposure. Occupational infectious disease involves far more than hepatitis and tuberculosis. Periodic fever, dermatologic manifestations and other symptoms peculiar to a specific disease may be important clues to an occupationally related exposure. Whereas strict attention to hand washing and isolation are cornerstones of prevention, use of protective gear is mandated in certain situations. Zoonotic disease, agriculture exposure, water transmission, and biologic contaminants in buildings can be important but subtle exposures sources. Recognition of these infections often depends on the alertness of the primary care giver.

Cardiovascular Diseases↗

Erythroderma.

Erythroderma can be caused by a variety of underlying dermatoses, infections, and systemic diseases. Many of the findings on history, physical examination, and laboratory evaluation are nondiagnostic. Distinctive clinical and laboratory features pointing to a specific disease may be evident, however. Conclusive clinicopathologic correlation may require multiple and repeated skin biopsies. The prognosis of erythroderma has improved with the advent of innovative dermatologic therapies (e.g., cyclosporine and synthetic retinoids) and advances in the management of systemic manifestations. Death from sepsis, cardiac failure, adult respiratory distress syndrome, and capillary leak syndrome continue to be rarely reported. A high index of suspicion for these complications must be maintained to facilitate early medical intervention.

Dermatitis, Exfoliative↗

Atopic dermatitis: an update.

This review focuses on recent literature regarding the following clinical features of atopic dermatitis (AD); diagnostic criteria, epidemiology and genetics, provocative factors, predictors of disease development and markers of disease severity, therapy, and prognosis. For example, the frequency of AD appears to be increasing, perhaps in response to provocative factors such as food allergens and house dust mites. Determination of reliable markers for disease development may identify susceptible newborns and facilitate avoidance of relevant triggers. Immunomodulating therapy holds promise in the treatment of refractory AD, and new investigation has led to refinements in conventional modalities such as antihistamines and phototherapy.

Adult↗

The burning mouth syndrome.

The burning mouth syndrome is characterized by burning and painful sensations of the mouth in the absence of significant mucosal abnormalities. For patients in whom no causative factor can be identified, empiric antifungal, nutritional, and estrogen replacement therapy can be initiated. If these fail, long-term therapy with antidepressants, benzodiazepines, and clonazepam can be considered. Topical capsaicin and laser therapy have been reported beneficial in a few patients.

Aged↗

Severe adverse cardiovascular effects of pulse steroid therapy: is continuous cardiac monitoring necessary?

Pulse steroid therapy (PST) has been used in dermatology to treat a variety of severe inflammatory disorders. Dermatologists have usually recommended that patients be hospitalized for continuous cardiac monitoring during PST administration, although specialists in other fields have administered PST in an outpatient setting. We reviewed the literature concerning serious adverse cardiovascular effects of PST. These were rare and have been mainly reported in nondermatologic patients, typically those with kidney or heart disease. Although outpatient administration of PST may be a safe practice for some dermatologic patients, we cannot make a firm recommendation without a prospective trial.

Electrocardiography, Ambulatory↗

Monitoring patients taking methotrexate for hepatotoxicity. Does the standard of care match published guidelines?

BACKGROUND: Controversy persists regarding the validity of published guidelines for the monitoring of methotrexate-induced hepatotoxicity. OBJECTIVE: The purpose of our study was to assess the standard of care by gastroenterologists in the monitoring of methotrexate-induced hepatotoxicity and to compare this standard of care with guidelines in the medical literature. METHODS: Gastroenterologists in Connecticut and Massachusetts were surveyed by a mail-in questionnaire that inquired about their protocol for the monitoring of hepatotoxicity in patients taking methotrexate. RESULTS: Gastroenterologists in Connecticut and Massachusetts generally follow the guidelines in the medical literature. Variation in recommendations from the rheumatologic and the dermatologic literature is reflected in the practice habits of gastroenterologists whose patients are restricted to one particular population. CONCLUSION: Long-term follow-up studies should be continued to obtain further data from which to make future recommendations, especially with regard to the effects of large cumulative doses of methotrexate.

Alanine Transaminase↗

Perniosis in association with anorexia nervosa.

Several dermatologic abnormalities have been described in anorexia nervosa, but only rare associations have been made with perniosis. We recently saw two teenage girls and one woman with anorexia nervosa who had symptoms of perniosis. We suggest that altered thermoregulation and a hyperreactive peripheral vascular response to cold in anorexia nervosa may predispose these patients to perniosis.

Adolescent↗

Long-term oral antibiotics for acne: is laboratory monitoring necessary?

BACKGROUND: The role of laboratory monitoring in patients receiving long-term oral antibiotics for acne vulgaris has not been clearly defined. OBJECTIVE: The purpose of our study was (1) to evaluate the literature for objective evidence on the value of routine laboratory monitoring of the asymptomatic patient receiving oral antibiotics for acne and (2) to determine the utilization of laboratory monitoring of these patients by Connecticut dermatologists. METHODS: We surveyed Connecticut dermatologists by phone and inquired about the laboratory monitoring performed in patients receiving long-term oral tetracycline, minocycline, or erythromycin for acne. RESULTS: Eight published studies reported a total of 777 patients who had laboratory monitoring at various frequencies while receiving oral antibiotics for acne. Only one adverse drug reaction (ADR) was detected in a patient in whom mild hyperbilirubinemia developed. Of the 75 Connecticut dermatologists who participated in our survey, 48 (64%) perform some laboratory monitoring; 29% do so routinely, and 35% under special circumstances. CONCLUSION: Our literature review does not support routine laboratory monitoring in all patients who receive long-term oral antibiotics for acne; rarely does such screening detect an ADR and thus does not justify the cost of such testing. A relatively small proportion of Connecticut dermatologists check laboratory tests more frequently than appears necessary; in our opinion, laboratory monitoring should be limited to patients who may be at higher risk for an ADR.

Acne Vulgaris↗

Delusional parasitosis: a dermatologic, psychiatric, and pharmacologic approach.

Delusional parasitosis is a syndrome in which the patient has the false belief that he is infested by parasites. Although this is a psychiatric disorder, patients usually seek care from dermatologists. DP has various causes. It may occur as the sole psychologic disturbance, or it may be associated with an underlying psychiatric disorder or physical illness. A dermatology-psychiatry liaison is advocated for establishing a viable differential diagnosis and selecting appropriate therapy. The antipsychotic agent pimozide is currently the most effective treatment when DP occurs as an encapsulated delusion. Pimozide therapy requires careful monitoring because this drug has several potentially serious adverse effects, and relapse often occurs on discontinuation of the drug.

Aged↗