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At least 1,189 records · Page 66Linked to original sources
PubMed1999

[Present status and tasks of occupational regulations for radiofrequency of electromagnetic fields].

Intensive use of various emitters of radiofrequency electromagnetic fields is a potential health hazard both for workers and general population. Thus, improved hygienic regulation and control of nonionizing electromagnetic radiation becomes very important for prophylactics. Hygienic regulation of radiofrequency electromagnetic fields is based on elimination of their influence on human health. Incomplete knowledge of biologic mechanisms underlying influence of low-intensity radiofrequency electromagnetic fields is a serious obstacle to further improvement of hygienic regulation. Special attention should be paid on clinical, physiologic and epidemiologic research aimed to study long-term effects and influence of the stated fields on general morbidity.

Electromagnetic Fields↗
PubMed1989

[Present status and background of occupational uroepithelial tumors].

The incidence of urothelial cancers in a group of 231 dyestuff plant workers who had been exposed to benzidine (BZ) or to beta-naphthylamine (BNA) was surveyed from 1962 to 1988. Fifteen out of 231 patients (6.5%) were found to have bladder cancer with the mean age at onset of 57.1 +/- 8.7 years. The estimated average period of engaging in this dyestuff exposure for these 15 patients was 92.4 +/- 47.3 months. The mean latent periods from the initial and last exposure until tumor development were 28.8 +/- 5.7 years and 16.6 +/- 7.0 years, respectively. Good negative correlation was observed between exposure periods and latent periods from the last exposure to onset (R = -0.06814). All 15 patients demonstrated tumors in the bladder, and one patient had a metachronous upper urinary tract cancer after treatment for bladder cancer. All tumors were histologically transitional cell carcinomas except for one adenocarcinoma. For initial treatment, five underwent total cystectomy, eight had transurethral resection (TUR) of the tumor, and one had partial cystectomy. Five out of 8 patients who had TUR have developed recurrent bladder tumors, and two of those patients underwent total cystectomy for second treatments. The mean follow-up period was 8.6 +/- 5.2 years, with two dying of cancer. For detection and monitoring, flow cytometric (FCM) analyses were available in five cases with bladder tumor and in two follow-up cases after bladder preserving treatments.(ABSTRACT TRUNCATED AT 250 WORDS)

2-Naphthylamine↗
PubMed1993

[The status of medical-occupational rehabilitation exemplified by urologic tumor patients].

Many patients with urological carcinomas feel able, and indeed are able, to return to work after medical treatment. From a medical, psychological and socioeconomic point of view, routine pensioning must nowadays be rejected. Vocational reintegration is prepared in an individual and comprehensive manner in facilities for medical-vocational rehabilitation (phase II). The indication for vocational rehabilitation measures depends on the prognosis, on age and motivation, as well as on treatment aftereffects. The implications of operative, radiation and chemotherapy for the timing and course of the rehabilitation measures are set out, tumour- and treatment-related restrictions in future working life are discussed from an occupational medical view. Special emphasis is placed on carcinomas that should give rise to very early initiation of vocational rehabilitation services.

Adult↗
PubMed1996

[Present-day occupational hygiene and health status of college students].

Three-year study covered 562 students of 3 faculties (medical, prophylactic, scientific) in Moscow Sechenov Medical Academy. Health state, fatiguability, information load, daily schedule and academic results for the students were compared. Having higher information load (1.5 times in average), the students of scientific faculty demonstrated higher academic results, better adaptation to educational process and future professional activities. Health state parameters for this portion of students were similar to those for other examinees.

Adolescent↗