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Query: UMLS:C0015672 (fatigue)
 51,768 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

As a prerequisite to the use of electromyographic power spectral analysis of the paraspinal muscles as a low-back pain treatment outcome measure, the long-term reliability of the technique was assessed. The myoelectric signals of the multifidus and iliocostalis lumborum muscles of healthy sedentary women were analyzed with regard to spectral parameters during a constant-force contraction, before and after a 3-month period. Results indicated that for both muscles, estimates of initial median frequency and amplitude had high test/retest reliability, but that the recovery and left-right difference parameters were not stable. Using a confidence interval method, test/retest variation for the fatigue parameter was found to be within the range of variability of potentially underlying metabolic processes.
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PMID:Electromyographic power spectrum analysis of the paraspinal muscles. Long-term reliability. 827 52

In order to evaluate the influence of cigarette smoking on health conditions, the authors analyzed results of the THI (Todai Health Index) questionnaire, which was administered to male employees of a large-sized enterprise in Osaka between 1984 and 1990. The smoking rate of male employees decreased over this period of time from 62.4% (1984) to 58.3% (1990) in this enterprise. Complaints regarding "respiratory organ", "digestive organ", "circulatory organ", "irregularity of daily life", "impulsiveness", and "many subjective symptoms" significantly increased with the amount of smoking. Many items of physical complaints in the THI questionnaire were also associated with smoking. These were coughing, sore throat, sputum, nausea when brushing teeth, loss of appetite, stomach pain, stomach problems, diarrhea, heartburn, gum problems, bad breath, heavy eyelids, itchy skin, face looked pale, shortness of breath, palpitation, feeling flushed or feverish, back pain, going to bed late and getting up late, weakness or fatigue, irregular meals, irritation, sensitive or nervous, eating salty or greasy food, and heavy drinker. It is therefore important in the health education of individual smokers to put special emphasis not only on the many diseases associated with smoking but also these physical complaints.
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PMID:[Relationship between cigarette smoking and physical complaints]. 831 11

The frequency and severity of physical and emotional menstrual symptoms were investigated with a cross-sectional study of 502 women not seeking treatment for menstrual symptoms. The most frequent symptoms were abdominal bloating, backache, headache, constipation, low abdominal pain, fatigue and symptoms related to depression. Some symptoms increased during the late luteal phase, and others were related to the women's life-style. Lack of schooling and living in rural areas were associated with headache, backache, sadness, insecurity, restlessness and weakness. Women from urban areas with more schooling had more breast tenderness, abdominal pain, irritability, depression, aggressiveness and increased sexual desire. Younger women had increased appetite, lack of concentration, insecurity, desire to be alone, weakness and dissatisfaction with their looks. Heavier women had more leg cramps, swollen feet, lack of coordination and polydipsia. Menstrual symptoms seem to be determined by the interplay of the menstrual cycle with biologic factors and life-style.
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PMID:Association of physical and emotional symptoms with the menstrual cycle and life-style. 833 24

Scientific studies investigating the postpartum period are scarce, and observational studies greatly outnumber controlled trials. Many studies are biased in their assumptions about the social roles of women and men and in the interpretation of observations and treatment strategies. The published literature is fragmentary; few researchers have attempted a comprehensive, biopsychosocial system-oriented view of postpartum health. More research is needed on the occurrence and treatment of such common postpartum problems as urinary incontinence, sexual dysfunction, and back pain. Widespread application of what is already known about support for breast-feeding, prevention of fatigue and depression, contraception, and maintenance of healthy lifestyles will require innovations in healthcare delivery, professional practices, and social policy, particularly in the occupational arena. Many postpartum problems have been found to be iatrogenic and responsive to changes in the routine care of mothers and newborns. Finally, it is clear that women of lower education and socioeconomic status and those with less social support are consistently at higher risk for postpartum and parenting problems; great benefits are likely from interventions that enhance the well-being of these mothers and infants.
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PMID:Postpartum care and breast-feeding. 837 63

A female patient is described who had a four year long period of unilateral chronic paroxysmal hemicrania (CPH) which then became bilateral. For some years before the CPH started she suffered from periods of about one month with chronic hemicrania without nerve involvement. She also suffered from chronic fatigue, back pain, arthralgia, vertigo, chronic constipation and spontaneous ecchymoses. Blood tests showed chronic leukocytosis, low serum iron, and signs of inflammation in serum electrophoresis during the five years she was studied. CPH attacks could be provoked by breathing 6% carbon dioxide in air. Lumbar cerebrospinal fluid pressure was pathologically increased (30 cm water). The attacks decreased during indomethacin treatment but 275 mg was needed for satisfactory control of the attacks, i.e., more than the 150 mg which, according to the criteria for CPH, should be absolutely effective. Sumatriptan was found to suppress the CPH attacks as well as indomethacin. Due to these findings CPH is considered to be another manifestation of venous vasculitis. The beneficiary mechanism of indomethacin in CPH is considered to be due partly to its anti-inflammatory effects and partly to its reduction of the intracranial blood flow.
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PMID:Intracranial hypertension and sumatriptan efficacy in a case of chronic paroxysmal hemicrania which became bilateral. (The mechanism of indomethacin in CPH). 839 1

For well over a decade my associates and I have been developing an objective, noninvasive technique to evaluate the performance of low-back muscles, with emphasis on being able to distinguish between healthy and dysfunctioned backs. Our approach is based on the well-known fact that the EMG signal undergoes a compression in the frequency domain during a sustained muscle contraction. In particular we track the median frequency of EMG signals detected from six muscles in the lower back during an isometric extension of the trunk. The measurements are taken with the Back Analysis System which consists of a postural restraining device, special electrodes for detecting the EMG signals, a muscle fatigue monitor which calculates the median frequencies, and the appropriate software. We have found that the pattern of fatigue exhibited by the six median frequency curves can be used to distinguish individuals who have low-back pain from those who do not with an accuracy of at least 84%. An even more relevant and timely application of our technique is for quantifying the progression of the performance of low-back muscles during a rehabilitation program. Although more work is required to explore the intricacies of the technique, present results provide a convincing indication that it is reliable and that it is ready to be placed into practice.
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PMID:Use of the surface EMG signal for performance evaluation of back muscles. 842 47

The Back Injury Prevention Project was a pilot study of "Back Attack," an educational program designed to prevent back injuries among nurses, nurses' aides, and orderlies. The pilot tested program feasibility, developed and tested instruments, and generated preliminary data measuring program effectiveness. Fifty-five nurses, aides, and orderlies on two medical/surgical units at two Kaiser Permanente medical centers in Portland, Oregon participated in the study. Intervention group scores on the composite back pain and composite fatigue scales decreased relative to the control group, but this did not reach statistical significance. A 19% improvement in scores for quality of patient transfer was observed for the intervention group (P < .0003), while the control group did not show any significant improvement during the same time period. Results of the pilot suggest that the Back Attack program changes behavior at least in the short term. Further study will be necessary to determine if the behavior change persists and back pain and injury rates are subsequently reduced.
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PMID:The Back Injury Prevention Project pilot study. Assessing the effectiveness of back attack, an injury prevention program among nurses, aides, and orderlies. 843 81

A 35-year-old man presented with cough, expectoration of green sputum, and right-sided pleuritic chest pain. Symptoms had begun the previous day and he had vomited the night before. The patient also complained of chronic fatigue, a 12-lb. weight loss, insomnia, right-sided back pain, and lower extremity myalgias. He denied having had fever, chills, diaphoresis, dyspnea, diarrhea, dysuria, abdominal pain, skin lesions, or jaundice.
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PMID:A liver-lung connection. 859 9

Forty-three former polio patients now complaining of new progressive muscle weakness (symptomatic patients) plus 13 former polio patients without new neuromuscular complaints were included in the study. The symptomatic patients reported high frequencies of other neuromuscular complaints and a decline in their functional level. Most frequent complaints were general fatigue, low backache, and muscle pain (97.7%, 86%, and 79.1%, respectively) and a decline in the ability to walk (80%). In a prospective follow-up averaging 2.1 years, the muscle strength of 26 muscles in all four limbs of each patient was assessed by manual muscle testing and was also measured isometrically using a handheld dynamometer. During the follow-up period, we did not find a significant decrease in muscle strength in the symptomatic patients as compared to patients without new neuromuscular complaints.
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PMID:Muscle strength in postpolio patients: a prospective follow-up study. 860 24

Tuberculous spondylitis, also known as Pott's disease, is an entity that produces a characteristic kyphotic deformity, and was described by Sir Percivall Pott in 1779 and 1782. The majority of his patients were infants and young children. Although the incidence of tuberculosis in the industrialized world has since declined dramatically, the number of cases of extrapulmonary disease, though small, has remained relatively unchanged. In developing countries, spondylitis is still generally a disease of children, but in Europe and North America, it more commonly involves older adults. Pott's spondylitis represents a reactivation of latent disease, frequently years after the initial infection. Clinical findings include complaints of back pain and symptoms of fever, chills, weight loss, malaise, and fatigue. Characteristically a late finding, paraplegia is occasionally the initial indicator of spinal involvement. There is an average delay of a year between the onset of symptoms and patient presentation. Plain spinal radiographs usually are the initial diagnostic modality utilized. Computed tomography scanning and magnetic resonance imaging can be used to further define the process. The differential diagnosis includes neoplasm, pyogenic or disseminated fungal infection, and sarcoid arthritis.
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PMID:Percivall Pott: tuberculous spondylitis. 865 42


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