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עמוד בית
Sun, 25.09.22

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June 2008
I. Goldberg, I. Shirazi and S. Brenner

Background Drug-specific CD8+ TH1 lymphocytes have been found in the peripheral blood and involved skin of patients with drug-induced bullous exanthems.


Objectives To determine whether the interferon-gamma release test can identify culprit drugs in pemphigus patients.

Methods Clinical and laboratory workup for pemphigus was performed in 14 pemphigus vulgaris patients who had been exposed to drugs, and the IFNl[1] release test was conducted on their lymphocytes from heparinized venous blood cultured with medium, phytohemagglutinin and one of 32 drugs, or medium and phytohemagglutinin alone.


Results Ten of the patients and 13 of the 32 drugs exhibited a positive response to the test. Eight of the 10 patients with positive IFNl test results had a less severe course of the disease, with fast reduction in steroid dosage.

Conclusions The findings demonstrate both the ability of the IFNl release test to identify drugs that can induce pemphigus, and its usefulness in the diagnostic workup of pemphigus patients.







[1] IFNl = interferon-gamma


August 2005
I. Klaz, Y. Wohl, N. Nathansohn, N. Yerushalmi, S. Sharvit, I. Kochba and S. Brenner
 Background: The Israel Defense Forces implemented a pilot teledermatology service in primary clinics.

Objectives: To assess user satisfaction and clinical short-term effectiveness of a computerized store and forward teledermatology service in urban and rural units.

Methods: A multi-center, prospective, uncontrolled, cohort pilot trial was conducted for a period of 6 months. Primary care physicians referred patients to a board-certified dermatologist using text email accompanied by digital photographs. Diagnosis, therapy and management were sent back to the referring PCP[1]. Patients were asked to evaluate the level of the CSAFTD[2] service, effect of the service on accessibility to dermatologists, respect for privacy, availability of drugs, health improvement and overall satisfaction. PCPs assessed the quality of the teledermatology consultations they received, the contribution to their knowledge, and their overall satisfaction.

Results: Tele-diagnosis alone was possible for 95% (n=413) of 435 CSAFTD referrals; 22% (n=95) of referrals also required face-to-face consultation. Satisfaction with CSAFTD was high among patients in both rural and urban clinics, with significantly higher scores in rural units. Rural patients rated the level of service, accessibility and overall satisfaction higher than did urban patients. PCPs were satisfied with the quality of the service and its contribution to their knowledge. Rural physicians rated level of service and overall satisfaction higher than the urban physicians. Tele-referrals were completed more efficiently than referral for face-to-face appointments.

Conclusions: CSAFTD provided efficient, high quality medical service to rural and urban military clinics in the IDF[3].


 



[1] PCP = primary care physician

[2] CSAFTD = computerized store and forward teledermatology

[3] IDF = Israel Defense Force



 
June 2003
Y. Wohl and S. Brenner

Background: Despite the high incidence of pemphigus in the Jewish population, data on the epidemiology and etiology of the disease in Israel are sparse.

Objective: This study was conducted to identify clinical and epidemiologic features of pemphigus patients in Israel, while searching for risk factors that induce or exacerbate the disease.

Methods: Demographic and clinical information was recorded from the charts of 55 pemphigus patients treated over a 5 year period. A sample of 22 patients was compared to 22 age and gender-matched controls by means of a questionnaire querying details on lifestyle, including occupation, diet, sun exposure, and smoking.

Results: The findings show that the typical Israeli pemphigus patient is middle-aged, married, and of East European or Middle Eastern origin. The most common diagnosed clinical variant was pemphigus vulgaris, followed by pemphigus erythematosus. Some 70% of patients were treated with two or more immunosuppressive drugs and 62% entered long-lasting remission. Twenty-three percent of patients were exposed through their work to chemical substances, mainly pesticides, at the beginning of the disease and 18% of patients were continually exposed to ultraviolet radiation 5 years prior to onset of the disease.

Conclusions: There is a possible correlation between occupational exposure to pesticides and UV[1] radiation, and pemphigus induction.






[1] UV = ultraviolet


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