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The study examined the work stresses of 107 women who were engaged in sewing machine operation in small garment manufacturing units. Of the three types of sewing machines (motor-operated, full and half shuttle foot-operated), 74% of the machines were foot-operated, where throttle action of the lower limb is required to move the shuttle of the machine. The motor-operated machines were faster than the foot-operated machines. The short cycle sewing work involves repetitive action of hand and feet. The women had to maintain a constant seated position on a stool without backrest and the body inclined forward. Long-term sewing work had a cumulative load on the musculo-skeletal structures, including the vertebral column and reflected in the form of high prevalence of discomfort and pain in different body parts. About 68% of the women complained of back pain, among whom 35% reported a persistent low back pain. Common sewing work accident is piercing of the needle through the fingers, particularly the right forefingers. Unsatisfactory man-machine incompatibility, work posture and fatigue, improper coordination of eye, leg and hand are the major problems of the operators. The design mis-match of the work place may be significantly improved by taking women's anthropometric dimensions in modifying the workplace, i.e. the seat surface, seat height, work height, backrest, etc.
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PMID:Work stress of women in sewing machine operation. 149 Nov 71

An intervention study of cashiers at a large grocery store was begun in response to employee symptoms of musculoskeletal discomfort, primarily shoulder, neck, and upper back pain, after introduction of a new express checkstand. The grocery company then instituted workplace changes directed at reducing stressful postures and the discomfort in the anatomical sites of primary concern. These changes were placement of a physical barrier to reduce trunk flexion from overreaching, installation of an adjustable keyboard to reduce static shoulder stress, and education of employees about good workplace practices to reduce musculoskeletal stress and fatigue. There was a statistically significant reduction in neck, upper back, or shoulder discomfort but not arm, forearm, or wrist discomfort. There was also a significant reduction in employee use of medication and days to recovery from discomfort but not in overall number of employees with symptoms or in hours able to operate the checkstand without discomfort. We found that ergonomic interventions, directed to the anatomical site of greatest employee concern, are likely to be effective, that employees were a good source of information on the ergonomic problems and solutions in their workplace, but that the overall approach must be iterative to achieve the maximum effect.
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PMID:Musculoskeletal discomfort in grocery express checkstand workers. An ergonomic intervention study. 150 40

Twenty consecutive patients with recurrent Tolosa-Hunt syndrome were studied. One had a parent who suffered from recurrent Tolosa-Hunt syndrome. Thirty-three percent of the patients had also recurrent periods of weeks to months of unilateral periorbital pain without ophthalmoplegia. One patient had cluster headache before the Tolosa-Hunt syndrome started. Some patients had involvement of cranial nerves outside the cavernous sinus region during Tolosa-Hunt syndrome and also between episodes. The same systemic symptoms, i.e. back pain, cold feet, arthralgia, gut problems, varices, vertigo, chronic fatigue, thrombophlebitis, memory deficiency and signs of inflammation in serum, occurred in Tolosa-Hunt syndrome as earlier found in patients with orbital venous vasculitis. Seventy-three percent of the patients had pathologic orbital phlebograms. All patients treated with steroids reacted promptly; four who developed chronic pain syndromes were treated satisfactorily with azathioprine.
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PMID:Recurrent Tolosa-Hunt syndrome. 155 57

This study examined the fatigue symptoms and their relative factors in a group of nursery teachers and guidance workers (n = 480) belonging to institutions for the mentally retarded. 1) More than 50% of the respondents complained of neck stiffness and/or backache. The mean scores of the physical symptoms were higher than the standard cumulative fatigue symptoms index, while those of the mental symptoms were lower. 2) Analysis of variance showed that physical fatigue symptoms were higher in females, younger workers, those with longer years of service, those with more night duties per month, and those who expressed more dissatisfaction with their co-workers, wages, working hours, and work shift. Physical fatigue symptoms were not related to the severity of the mental disease of their clients. 3) Analysis of variance also showed that mental fatigue symptoms were higher in females, younger workers, and persons who expressed more dissatisfaction with their jobs, supervisors, co-workers, wages, working hours, and work shift. The severity of the mental disease of their clients was directly related to the mental fatigue symptoms. Furthermore, multiple classification analysis showed that those working with children had both higher irritability and morale than those working with adults.
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PMID:[Fatigue symptoms and their related factors of workers in institutions for the mentally retarded]. 161 1

Three siblings with inhaled elemental mercury toxicity are described, and the signs and symptoms of mercury toxicity, interpretation of mercury concentrations, and management of elemental mercury exposure are reviewed. A 4-year-old girl was admitted to the hospital with a history of fever and increasing irritability, fatigue, malaise, insomnia, headache, anorexia, and ataxia. She was discharged two days later with a diagnosis of acute cerebellar ataxia. During the following 18 days, the child's condition worsened, and she was rehospitalized. Meanwhile her 11-year-old sister was hospitalized for evaluation of fatigue, weakness, lower back pain, and ataxia. The older girl's blood mercury concentration, at 5.5 micrograms/dL, was in the toxic range. Twenty-four-hour urine mercury screening confirmed mercury intoxication in both children. Questioning revealed that the girls' brother had recently spilled 0.5-1 oz of elemental mercury in the house. All family members underwent blood and urine mercury testing. The brother underwent a dimercaprol challenge to determine his tissue mercury burden, which was found to be greater than 2.4 micrograms/dL. The sisters underwent two courses of chelation therapy with dimercaprol. Symptoms persisted in all three children, and they underwent five 10-day cycles of N-acetyl-D,L-penicillamine (NAP) therapy; the youngest underwent a third dimercaprol regimen. All siblings continued NAP chelation therapy because of extensive tissue mercury burden until the results of repeated urine mercury concentration determinations were normal.(ABSTRACT TRUNCATED AT 250 WORDS)
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PMID:Elemental mercury poisoning. 174 59

We recently saw a patient who had aortitis syndrome associated with secondary amyloidosis. To our knowledge, she is the fourth report of this complication occurring in aortitis syndrome. In November 1985, the patient, a 18 year-old woman, was admitted to our hospital because of a high fever, back pain, abdominal pain and general fatigue. On physical examination, bruit was audible on the abdomen, bilateral radial artery was weakly palpable. Angiography showed the stenosis of bilateral carotid artery, subclavian artery, renal artery and superior mesenteric artery. From the above findings, she was diagnosed aortitis syndrome, and treatment was begun with prednisolone. However, she developed recurrently a high fever, chest pain, abdominal pain and exertional dyspnea. Laboratory findings at the active stage revealed the marked elevation of leukocytes, erythrocyte sedimentation rate and C-reactive protein. On her clinical course, the number of circulating thrombocytes was paralleled with the activity of the disease. On June 1988, she developed suddenly a high fever and severe pain of abdomen. Pathological findings of her stomach showed the deposition of amyloid protein A. Laboratory findings depicted the marked increment of thrombocytes, beta-thromboglobulin and platelet factor 4. These results suggest that circulating thrombocytes may play a role in product ion of amyloid protein.
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PMID:[A case of aortitis syndrome complicated with amyloidosis, type AA]. 176 46

There have been some reports concerning high complaint rates of fatigue or fatigue-related symptoms including lower back pain in flight attendants (FA). Thus, the relations of working conditions with work stress and fatigue symptoms were studied chiefly by focusing on working hours. From analysis of the time-table and fatigue symptoms of workers on international flights, it was suspected that there were some work-related factors jointly causing serious FA fatigue symptoms; night time and early morning work, long flight hours and a large time difference, thus disturbing their biological rhythms. On domestic flights, showing up early in the morning and debriefing late in the night were often observed together with a highly irregular FA time schedule. By statistical analyses, some factors including long working hours, frequent landing and late debriefing hours were considered to contribute significantly to the high fatigue complaint rates. Thus, it should be emphasized that many countermeasures are necessary to improve FA working conditions including working hours, rest on the airplane (ONO et al., 1990) and sleep during layover, in order to reduce their work stress and fatigue symptoms.
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PMID:Working hours and fatigue of Japanese flight attendants (FA). 184 62

Primary malignant tumours of the heart are very rare, with an incidence of only 0.0017%-0.03% in consecutive autopsy series. Fibrosarcoma of the heart is also rare, representing only about 0.3% of all cardiac tumours. We observed a case of epicardial fibrosarcoma which developed 12 years after the first resection of an epicardial tumour. A 31-year-old woman was referred to our hospital because of fatigue, nausea and right back pain. She had had surgery to resect an epicardial tumour when she was 19 years old. On admission, there was a huge, heterogeneous tumour on the right inferior side of the heart. At surgery, the tumour was totally resected and a pathological diagnosis of fibrosarcoma was made. The patient was free of symptoms for 6 months, but died of a recurrence 11 months after the operation. It is postulated that the epicardial tumour had only been partially resected and had been latent for a rather long period but began to grow rapidly 12 years after the initial resection.
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PMID:Recurrent epicardial fibrosarcoma which arose 12 years after the first resection. 204 63

The purpose of this study was to determine whether surface electromyography (EMG) from the erector spinae muscles could correctly identify individuals with low back pain without a population of elite athletes. A similar technique had previously been successful in identifying low back pain patients within a non-athletic population. A Back Analysis System was used to compute the median frequency of the EMG power density spectrum to monitor metabolic changes in back muscles associated with muscle fatigue. Twenty-three members of a men's collegiate varsity crew team consisting of port (N = 13) and starboard (N = 10) rowers were tested in a laboratory during a fatigue-inducing isometric contraction sustained at a relatively high, constant force. Six of the rowers tested were further classified as having low back pain. A brief test contraction was repeated at a fixed interval following the fatiguing contraction to monitor recovery. A two-group discriminant analysis procedure correctly classified 100% of the rowers with low back pain and 93% of the rowers without back pain on the basis of the median frequency data. The median frequency parameters related to recovery were the best discriminators of back pain. A similar analysis correctly classified 100% of the port rowers and 100% of the starboard rowers on the basis of their spectral parameters. The best discriminating variables in this instance were the median frequency parameters relating to both fatigability and recovery. Results from this study demonstrate that low back pain and asymmetrical muscle function in rowers can be assessed on the basis of EMG spectral analysis.
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PMID:Fatigue, recovery, and low back pain in varsity rowers. 214 87

In 1981 and 1982, two US citizens died from Japanese encephalitis (JE) acquired in China. In 1983, the Centers for Disease Control initiated an evaluation of a purified, inactivated, mouse-brain-derived JE vaccine produced and used in Japan since 1966. Two doses of this vaccine given 1-2 weeks apart evoked neutralizing antibody titers greater than or equal to 8 in only 77% of recipients. After three JE vaccine doses administered 1-2 weeks apart, 99% developed titers greater than or equal to 8. When a third dose was given to 29 participants 6-12 months after the primary series, all developed titers greater than or equal to 16. Reported adverse reactions included injection site tenderness (18%), erythema (6%), or swelling (3%); headache (9%); and dizziness, fatigue, sleepiness, nausea, chills, fever, or lower back pain (less than or equal to 5%). On the basis of this study, three doses of BIKEN JE vaccine are recommended for US citizens who may be at risk of exposure to JE virus.
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PMID:Evaluation of the potency and safety of inactivated Japanese encephalitis vaccine in US inhabitants. 232 39


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