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Researchers initiated a randomized double blind crossover trial as part of a community based postal survey of menstrual patterns of 68 women in England. Each woman jotted down daily the severity of symptoms (e.g., depression, headache, etc.). After this 1st study cycle and being randomly assigned to the pyridoxine or placebo group, they either took 50 mg/day of pyridoxine or placebo tablets for 3 months. At the end of 3 months, they followed the other treatment. 37 women completed 6 months and only 32 completed the full 7 months. The results of the study show pyridoxine to significantly affect emotional type symptoms (depression, irritability, and tiredness [p.05]), but not somatic (headache, breast discomfort, swollen abdomen, swollen hands or feet) or menstrual (stomach cramps, backache, other) symptoms. Women who took oral contraceptives (OCs) had nonsignificant higher adjusted premenstrual symptom scores, particularly for emotional type symptoms, during both pyridoxine and placebo months that did those who did not take OCs. This study was complicated by a placebo effect. It revealed a significant decrease in the level of all symptom scores from the 1st month to the 4th month by a mean of 57% (p=.001) when the women took the placebo initially. Emotional type symptoms decreased by 69% (p.05), somatic type by 52% (p.05), and menstrual type nonsignificantly by 15%. On the other hand, when women took the placebo after taking pyridoxine for a month, the combined level of all symptom scores only increased 37% on average (nonsignificant). Based on the results of this study, pyridoxine appears to alleviate premenstrual depression. Further research is needed to confirm the results of this and other similar studies.
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PMID:Pyridoxine (vitamin B6) and the premenstrual syndrome: a randomized crossover trial. 255 86

Clinical symptoms and laboratory measures of renal and liver function, coagulation, and inflammatory parameters were prospectively studied in 74 hospitalized patients (14-74 years of age) with serologic evidence of nephropathia epidemica. The most common clinical findings were acute onset of symptoms, fever (greater than or equal to 38 degrees C), thirst, headache, nausea, back pain, vomiting, myalgia, and abdominal pain. Twenty-seven patients (37%) had hemorrhagic manifestations, i.e., epistaxis, melena, hematemesis, petechial bleeding, macroscopic hematuria, or metrorrhagia. Disseminated intravascular coagulation developed in four patients. Fifty-one percent had thrombocytopenia. Proteinuria was recorded for all patients, while hematuria and glucosuria were noted for 85% and 58%, respectively. Serum creatinine levels were elevated in 71 (96%) of the patients. Levels of C-reactive protein or erythrocyte sedimentation rates were elevated in all cases, usually to levels found in serious bacterial diseases. Sixty-six (89%) of the patients were followed for up to 7 months, at which time all had recovered clinically. No patient died or required dialysis. We conclude that nephropathia epidemica in Sweden has a clinical picture similar to that of hemorrhagic fevers in other parts of the world, but with a milder course and a better prognosis.
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PMID:Clinical characteristics of nephropathia epidemica in Sweden: prospective study of 74 cases. 257 3

The nervous system is frequently involved in patients with infective endocarditis. When a careful review of presenting complaints is undertaken, neurological symptoms have been found in as high as 29% of patients. Because these manifestations may be so protean in nature, for example, stroke or transient ischaemic attack (the most common), toxic encephalopathy, meningitis, brain abscess, visual loss, seizures, headache, backache, or acute mononeuropathy, the neurologist needs to consider infective endocarditis as a possible diagnosis in many patients. During the past two decades, infective endocarditis has occurred in an ever widening clinical setting. It may often be found in persons unknown to have predisposing cardiac disease. This is particularly true in certain subsets of the population, including the elderly, patients subjected to various invasive procedures leading to nosocomial infection, and drug abusers. New diagnostic studies, including refined bacteriological culture techniques, echocardiography, computed tomography, magnetic resonance imaging, and greater availability of skillful cerebral angiography, make earlier diagnosis of infective endocarditis possible. Despite this, patients with neurological complications continue to have an uncertain prognosis.
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PMID:Neurological manifestations of infective endocarditis. Review of clinical and therapeutic challenges. 267 68

A group of outpatients with chronic non-organic upper abdominal pain was followed up 5-7 years after the index investigation, to evaluate the predictive value of several variables on the basis of a questionnaire and a laboratory pain study. Fifty-four per cent had symptoms of irritable bowel syndrome. A low pain tolerance measured with an ischemic pain technique significantly predicted a poor course of the disease (P = 0.03). So did a high score indicating psychic vulnerability (P = 0.02) and two social factors: poor school and vocational education (P less than 0.01). Without significant predictive value were level of abdominal pain rated on a visual analogue scale, length of dyspepsia history, bowel habits, relation of pain to meals and to life events, heartburn, headache, back pain, dysmenorrhea, paresthesias in fingers or feet, present occupation, sex, marital status, days absent from work because of the disease, and consumption of tranquilizers, cigarettes, and alcohol. The findings indicate that psychologic factors and a low pain tolerance may be elements in this poorly understood syndrome. This is supported by earlier findings of a decreased pain tolerance and an elevated psychologic score in this group compared with controls.
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PMID:Predictors for the course of chronic non-organic upper abdominal pain. 278 Dec 39

In this paper we propose a method and discuss the type of data required to estimate age incidence rates from population survey data. While surveys are typically designed to estimate the prevalence of a disease or medical condition, they can also be used to estimate incidence rates. A limitation of survey data, however, is that recall is prone to errors. Three types of errors are common: telescopic, false negative, and false positive reports. Telescopic reports are thought to be the most common. We propose a method to adjust for recall errors by modeling the reported age of onset (ONST) and the time interval since the reported first occurrence of the medical condition (LAG). A number of models were examined using migraine headache data from over 10,000 subjects in Washington County, Maryland. Population surveys should be considered as a relatively inexpensive means for estimating the age incidence of medical conditions, especially for symptom based problems like back pain, asthma, mental illness, and serious headache. We recommend that data be collected on variables which can be used as surrogates for the different types of recall errors. Specifically, the age at interview, the date when the condition was cured or in remission, the severity of the condition, and possibly a specific inquiry as to how certain the respondent is in reporting the date of medical events, should be considered for this purpose.
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PMID:Estimating age incidence from survey data with adjustments for recall errors. 278 70

Angiomatous malformations of the central nervous system are relatively rare and have a serious prognosis. Clinical manifestations of such lesions of the spine include back pain associated with motor and sensory weakness, progressing to complete paraplegia. In angiomatous involvement of the brain, the symptoms may progress from headaches to coma and death. Computerized tomography and magnetic resonance imaging are new noninvasive modalities used in the diagnosis of such malformation, but they have not replaced myelography and angiography. Up to the past decade, the management of angiomatous lesions of the CNS was only surgical. Angiographic embolization is now widely accepted as an alternate method of management. Experience with embolic treatment of 3 cases is reported. In a 15-year-old boy with two adjacent thoracic vertebral hemangiomas (D7 and D8) compressing the spinal cord, embolization was used before surgery. A 23-year-old man with acute myelopathy due to extraretro-medullary arteriovenous malformations of the spinal cord (D9-D11) was successfully treated by selective embolization via catheter of the right 10th intercostal feeding vessel. An 82-year-old man had proptosis, bruit and pulsation in the right eyeball and loss of vision. Arteriovenous malformation of the dura of the anterior cranial fossa was demonstrated and was completely cured by bilateral selective embolization of the feeding branches of the internal maxillary arteries.
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PMID:[Angiographic management of angiomatous malformations in the central nervous system]. 279 43

In a prospective study, 69 young adults, range 19-28 years, were given spinal anesthesia. Three patients developed postspinal puncture headache and three patients experienced transient backache. No other complications were observed. The results indicate that spinal anesthesia may be used even in young adults. This seems to contrast with the practice in most other Norwegian hospitals, where spinal anesthesia is given mainly to patients older than 40 years of age, based on the notion that the frequency of postspinal puncture headache is unproportionally high in younger patients.
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PMID:[Spinal anesthesia in young adults]. 281 46

The neurological features of acromegaly are reviewed and two cases are reported. The most common neurological complications of active hypersomatotropism are headache, acroparesthesia and visual disturbance. Primary peripheral neuropathy, myopathy, entrapment myelopathy and/or cauda equina syndrome are uncommon, especially in young acromegalics. It is postulated that peripheral neuropathy in acromegaly is due to the entrapment of a nerve secondary to a soft tissue edematous mechanism by traumatic compression, angulation and/or stretching of the nerve in acquired extraspinal intermuscular, fibrous or osseofibrous tunnel stenosis; and/or in acquired spinal lateral recess stenosis, rather than true primary neuropathic or secondary endocrinological complications of hypersomatotropism. Proximal weakness is more likely arthropathic rather than myopathic, neuropathic or endocrinologic. Differential diagnosis of backache is briefly discussed. Further investigations of the mechanisms and the conservative treatment for neurological involvements in acromegaly are needed.
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PMID:Neurological features of acromegaly: a review and report of two cases. 284 43

A 5-year trial of acupuncture therapy in the Finnish NHS is surveyed. In total 348 patients attending Halikko Health Centre in SW Finland were treated with needle-stimulation for a wide variety of chronic pain syndromes. The mean number of acupuncture sessions was 5 in the primary series and 41% of patients received more than one series. An analysis of results showed significant relief of pain (more than 40% reduction on the visual analogue scale) in myofascial syndromes affecting the head, neck, shoulder and arm. Osteoarthrosis of major joints, and backache, responded less favourably. In total 65% of those patients who had taken analgesics before acupuncture therapy, either stopped totally or reduced their dose considerably. Those with headache could significantly more often reduce their drug intake than those with arthritis or osteoarthrosis. More results and discussion will be published in part II later in this Journal.
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PMID:Long-term treatment of chronic pain with acupuncture. Part I. 288 34

The obstetrical anaesthesia experience of the Winnipeg Women's Hospital from 1975 to 1983 was reviewed (n = 22,925 infants). Use of narcotics in labour for analgesia decreased from 38.7 to 18.3 per cent of the deliveries. For analgesia during spontaneous vaginal deliveries, epidural anaesthesia increased from 6.0 to 24.0 per cent, inhalational analgesia decreased from 53.7 to 3.2 per cent while "no anaesthetic intervention" rose from 40.3 to 72.8 per cent. Use of epidural anaesthesia for Caesarean section increased from 58.7 to 82.6 per cent. The most common acute complications of anaesthesia were hypotension and inadvertent dural puncture during epidural catheterization. The incidence of hypotension decreased from 28.3 to 17.4 per cent during the nine-year period. Dural puncture decreased from 4.7 to 1.1 per cent of all epidural administrations. Postpartum complaints (that were thought to be related to anaesthesia) were mainly headache, back pain and sore throat. The incidence of these complaints also decreased over the study period.
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PMID:Obstetrical anaesthesia at Winnipeg Women's Hospital 1975-83: anaesthetic techniques and complications. 288 48


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