نتایج جستجو برای: pacemaker dermatitis
تعداد نتایج: 50357 فیلتر نتایج به سال:
OBJECTIVES This systematic review informed evidence-based guidelines for the management of occupational dermatitis, with a particular focus on healthcare workers. METHODS A multidisciplinary guideline group formulated questions about the management of healthcare workers with dermatitis. Keywords derived from these questions were used in literature searches. We appraised papers and developed r...
The United Kingdom Working Party diagnostic criteria for atopic dermatitis have been characterized in infants and children; however, the need for visual confirmation of flexural dermatitis by a trained investigator limits their use in large epidemiologic studies. We have administered the complete United Kingdom Working Party criteria in a postal questionnaire format to the mothers of year old i...
Contact dermatitis is an inflammatory skin disease due to contact with different substances and caused by two mechanisms: Allergy and irritation. Contact dermatitis is a common skin disease and the most common occupational dermatosis. Differentiating between allergic and irritant contact dermatitis is essential in the identification of etiologic factor(s) and hence, its control and prognosis. T...
Somata of pacemaker and nonpacemaker neurons were isolated by ligatures tied around the axons between the somata and the synaptic regions, and the transmembrane potentials of the isolated somata were recorded. Isolated somata of pacemaker neurons had a spontaneous discharge while isolated somata of nonpacemaker neurons were quiescent. In addition, the time course of accommodation in isolated so...
CONTEXT Despite there being millions of pacemaker and implantable cardioverter-defibrillator (ICD) generator implants worldwide, little is known about device reliability. OBJECTIVES To perform a meta-analysis of prospective pacemaker and ICD registries to determine annual rates of pacemaker and ICD malfunction and to identify trends in these rates. DATA SOURCES MEDLINE (January 1966 to Apri...
Dynamic heart rate control by parasympathetic nervous input involves feedback mechanisms and reflex bursting of efferent cardiac vagal fibers. Periodic vagal bursting induces phasic changes in sinoatrial cycle length and can entrain the pacemaker to beat at periods that may be identical to those of the vagal burst. We investigated the electrophysiological basis of these phenomena in isolated si...
The clinical importance of the latency and supernormal phase of recovery is stressed. Observations on these phases of the heart cycle in 23 patients and in io dogs are presented. In experiments the pheomenon of latency could be shown with pacemaker impulses exceeding 6 times the diastolic threshold level. In the course of clinical investigations the phenomenon of latency was observed in a patie...
BACKGROUND Magnetic resonance imaging (MRI) of pacemaker patients is contraindicated due to documented potential risks to the patient from hazardous interactions between the MRI and pacemaker system. OBJECTIVE The purpose of this prospective, randomized, controlled, worldwide clinical trial was to evaluate the safety and effectiveness of a pacemaker system designed for safe use in MRI for any...
BACKGROUND Prolactin performs as a neuroendocrine modulator of skin epithelial cell proliferation and the skin immune system. OBJETIVE The aim was to assess the serum prolactin levels in patients with atopic dermatitis and the relationship with disease severity. METHODS The study was performed on 46 patients with atopic dermatitis and 100 healthy controls aged between 0.5 years and 19.5 yea...
Differences in itch characteristics between different inflammatory dermatoses are not well described. The aim of this study was to assess differences in itch characteristics between patients with psoriasis and atopic dermatitis using a previously validated web-based questionnaire that was made available through the National Psoriasis Foundation and National Eczema Association for Science and Ed...
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