Non-oliguric renal failure during treatment with mefenamic acid in elderly patients: a continuing problem.
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Biomedical subjects
Publications and source records attributed to A Taha.
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Twenty-five patients with nausea, vomiting and vertigo or dizziness in the premenstrual period were examined. In the week before menstruation, four of them had spontaneous nystagmus, six had positional nystagmus, and nine of them showed abnormal caloric responses. Most of them showed no abnormality during the week of menstruation. The caloric-induced responses were 'labyrinthine' in type in seven cases, and 'central' in type in two cases, thus denoting that cerebral oedema is not the only factor which may produce vertigo in the premenstrual period; as suggested by the present study, labyrinthine oedema may also play a considerable role in causing such troubles.
Sera from 160 individuals resident in the Gezira, and 40 living in Khartoum, Sudan, were screened for antibodies to Streptomyces somaliensis and Actinomadura madurae using enzyme linked immunosorbent assay (ELISA). Antibodies were detected in 11.2% of those from the Gezira (6.8% to S. somaliensis, 4.3% to A. madurae, and 0.6% to both) compared to 2.5% of those resident in Khartoum. The ratio of men with antibodies compared to women was about 2:1 in those from Gezira. The results encouraged further epidemiological surveys are mycetoma in Sudan using ELISA.
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Carotid artery aneurysms are rare, however, serious complications may result--namely, rupture, thrombosis, or emboli. Five distinct clinical types of aneurysms are reported with different symptoms and treatment. Fusiform, saccular, false, and mycotic aneurysms are best treated with interposition autogenous vein grafting. Spontaneous dissection aneurysms are best treated initially with anticoagulation and follow-up angiography. Recanalization is the usual result. Meticulous surgical technique to prevent perioperative emboli is essential to prevent central nervous system complications.
An enquiry was made into the smoking habits of 199 patients who had survived a subarachnoid haemorrhage (SAH). Information was obtained from 189, giving a 95% response rate. Those with a cerebral aneurysm had on average smoked considerably more cigarettes daily than those with arteriovenous malformations (AVM) or with normal angiographic findings (NAF) whose smoking habits were similar to those of the UK population. SAH due to cerebral aneurysm should be considered another smoking-related disease.
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In Egypt, sub-glottic stenosis is commonly caused by scleromatous affection. The countries in which scleroma is endemic have been reviewed. The incidence of scleroma, laryngeal scleroma, and sub-glottic affection, and their sex ratios have been discussed. Radiological study of the sub-glottic extension has been done. The operative procedures are detailed and the results are presented. The use of the Montgomery T-tube is an essential part of all these operations. The excision of scar tissue from the sub-glottic region was done in children, and this accords with recent trends. Twenty cases have been operated upon, with airway improvement in all of them.
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In this work, the serum immunoglobulin (IgG, IgA, IgM and IgD) levels were determined in ten patients with chronic tonsillitis. The serum immunoglobulins were estimated before and two months after tonsillectomy, using the radial immuno-diffusion method. Ten normal individuals with intact tonsils were chosen as a control group. The patients had elevated serum levels of IgG and IgA. These high levels may be due to repeated antigenic stimulation. The IgM and IgD were not significantly higher than in the normal controls. The serum IgG level did decrease significantly following tonsillectomy; the other three immunoglobulins were reduced, but insignificantly. The fall in immunoglobulins may be due to a reduction in the antigenic load, to the removal of immunoglobulin-producing tissue, or to alteration in the oropharyngeal pathogenic bacteria. Tonsillectomy does not seem to compromise immunological integrity or the immunoglobulin-producting apparatus. Estimations of the serum immunoglobulin, or simply of IgA, may help us to select those candidates for adeno-tonsillectomy who will have a good prognosis, or at least to exclude those with an underlying sub-clinical immunodeficiency disease.
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A charge-transfer spectrophotometric method was developed for unit-dose assay of the tropine alkaloids and some of their synthetic analogs. The high molar absorptivities of the charge-transfer bands of the alkaloids with iodine in ethylene dichloride resulted in improved recoveries and good precision, particularly at the low dose levels of pediatric and hypodermic tablets.