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排序方式: 共有1294条查询结果,搜索用时 15 毫秒
91.
Diouf A Garçon G Thiaw C Diop Y Fall M Ndiaye B Siby T Hannothiaux MH Zerimech F Ba D Haguenoer JM Shirali P 《Human & experimental toxicology》2003,22(10):559-564
In Senegal, as in many developing countries, traffic density is increasing in urban areas; in Dakar more than 50% of vehicles use gasoline. Yet the extent and real magnitude of the problem has neither been recognized nor assessed in these countries. Systemic data assessment of lead pollution and people's exposure are not well known in Senegal. This study was also designed to determine the impregnation levels of the lead released by the exhaust of cars and the changes of some early biological markers in Senegalese children. Blood lead (BPb) levels showed that all the children enrolled were exposed. However, lead exposure levels (from 34.7 to 145.8 microg/L) were less important for children living in rural areas (60.9+/-18.3 microg/L) than for those living in urban areas (106.7+/-16.9 microg/L). These changes could be correlated to the difference in the automobile traffic between both these regions (P < 0.001). BPb mean levels found in boys were higher than those in girls (P < 0.05). Despite elevated BPb levels, all values for blood zinc protoporphyrin and urine delta-aminolevulinic acid were within physiological ranges. In addition, variations in some biological markers of oxidative stress and renal disorders were seen; however, they must be confirmed by a future epidemiological study. 相似文献
92.
Tatu L Parratte B Vuillier F Diop M Monnier G 《Surgical and radiologic anatomy : SRA》2001,23(6):371-374
Anterior hip snapping is a rare clinical observation. The physiopathological hypothesis currently held is a sudden slip of the iliopsoas tendon over the iliopectineal eminence. For symptomatic cases, a surgical technique is proposed. The aim of this work is to describe the anatomy of the femoral portion of the iliopsoas, which is the target of surgery. We have studied, through dissection of embalmed cadavers, the different components of the musculotendinous complex forming the femoral portion of the muscle and the gliding apparatus associated with it. The psoas major tendon exhibited a characteristic rotation. The iliacus tendon, more lateral, received the most medial iliacus muscular fibers, then fused with the main tendon. The most lateral fibers, starting in particular from the ventral portion of the iliac crest, ended up without any tendon on the anterior surface of the lesser trochanter and in the infratrochanteric region. The most inferior muscular fibers of the iliacus, starting from the arcuate line, joined the principal tendon of the psoas major passing around it by its ventromedial surface. An ilio-infratrochanteric muscular bundle was observed, in a deeper position, under the iliopsoas tendon; it arose from the interspinous incisure and on the anterior inferior iliac spine, ran along the anterolateral edge of the iliacus and inserted without any tendon onto the anterior surface of the lesser trochanter of the femur and in the infratrochanteric area. The iliopectineal bursa was studied on horizontal cross sections of a frozen pelvis and on 5 of the non-frozen preparations after dividing the iliopsoas tendon. The iliopectineal bursa had the shape of a 5 to 6-cm high and 3-cm wide cavity; in its upper part, it was divided into 2 compartments: a medial compartment for the main tendon and a lateral compartment for the accessory tendon. 相似文献
93.
One of the leading brain disorders in developing countries is represented by epilepsy. It is estimated that 80% of people suffering from epilepsy around the world, reside in developing world such as Africa. Many perinatal and postnatal causes are brain-stressers in people suffering from malnutrition and low economical conditions. This context is characterised by long delay before modern treatment, reduced number and financial inaccessibility to anti-epileptic drugs (AEDs) and limited human and technical resources for epilepsy. Cultural interpretation also contributes to exclude epileptic patients from the educational and productive fields, aggravating the burden they face and favouring a treatment gap estimated to 80%. To fight against this dramatic reality, a partnership has been built between the International League against Epilepsy, the International Bureau for Epilepsy and the World Health Organisation, named the "Global Campaign Against Epilepsy" "Epilepsy Out of the Shadows" to reduce treatment gap and social and physical burden, educate health personnel, dispel stigma, support prevention. 相似文献
94.
Ventral hernia repair: a study of current practice 总被引:5,自引:5,他引:0
Ventral wall hernias are common; despite this, there are no guidelines on the best surgical management. The aim of this study
was to examine the types of repair in use for abdominal wall hernias in the West of Scotland over a 3-month period. Data were
gathered on 120 patients. There were 60 incisional, 32 umbilical, and 28 epigastric hernias. The main indication for repair
was pain (78%), while 12 patients (10%), presented acutely with incarceration or strangulation. The most common method of
repair was sutured (55%), followed by mesh (29%) and Mayo repair (16%). There was no correlation between use of mesh and hernia
size or whether repair was for a recurrent hernia. Surgical practice varies widely in the repair of ventral wall hernias.
Clinical trials are required to establish the best method of repair for this common condition.
Electronic Publication 相似文献
95.
Background
Low grade fibromyxoid sarcomas (LGFMS) are very rarely seen. They commonly arise from deep soft tissues of the lower extremities. Very few cases of intra-abdominal location have been reported. 相似文献96.
Mark?RoyEmail author Clemens?Kirschbaum Andrew?Steptoe 《Annals of behavioral medicine》2003,26(3):194-200
Intraindividual variation in recent stress exposure and its impact upon cortisol and testosterone was investigated. Over 1
year, 72 young male firefighters completed the Daily Stress Inventories, for 2 shift cycles (16 days), every 3 months. At
the end of each 16-day period each participant attended a 1-hr morning assessment session. Saliva samples and blood pressure
measurements were taken at 10-min intervals, and at 30 min, a blood sample was drawn. Across the year of assessment, there
were significant linear relationships in reported stress and in neuroendocrine activity. In contrast to expectations, as daily
stress decreased across the year (p < .008), salivary cortisol increased (p < .001) and testosterone levels decreased (p <
.001). Within-subjects comparisons of the sessions with the highest and lowest stress confirmed these linear relationships:
Lower stress prior to the assessment session was associated with higher cortisol levels (p < .01). These results, though in
contrast to the orthodoxy concerning the association between stress and cortisol, are supported by findings in a number of
other studies and may constitute down regulation of cortisol activity following an increment in stress exposure.
This research was supported by the Medical Research Council, United Kingdom. We are grateful to the London Fire & Civil Defence
Authority for their cooperation. 相似文献
97.
Toure S Diouf R Dangou JM Diallo BK Toure D Tahiri M Faye M Diop HM 《Revue de stomatologie et de chirurgie maxillo-faciale》2003,104(3):177-179
We report an exceptional case of giant cell tumor of the submaxillary gland in a 76-year-old woman. The tumor progressed slowly over a period of 40 years. Submaxillectomy removed a 3-kg mass before fixation. The postoperative period was uneventful and the patient was discharged fifteen days later. Pathology examination revealed a pleomorphous adenoma developed within the salivary gland. 相似文献
98.
NJ Hoogenraad JD Mitchell NA Don TM Sutherland AC Mc Leay 《Archives of disease in childhood》1980,55(4):292-295
The activity of urea cycle enzymes was assayed in duodenal biopsy specimens obtained from a female infant who presented with neonatal hyperammonaemia. All enzyme levels were normal except N-acetyl glutamate-dependent carbamyl phosphate synthetase 1 (CPS1) which was half the mean activity in normal control specimens. A similar deficiency of CPS1 was also shown in duodenal specimens from the patient's mother who became slightly symptomatic after relatively high protein meals and during pregnancy, and had spontaneously modified her diet to one with protein restriction. The patient is growing normally on a dietary regimen similar to that spontaneously adopted by her mother. Urea cycle enzyme activity in the duodenal biopsy material from the controls was similar to that found in the normal human liver and appears to have distinct advantages as a means of assaying for urea cycle defects in patients with hyperammonaemia and their relatives. 相似文献
99.
Sophie Limou Cédric Coulonges Mario Foglio Simon Heath Gora Diop Sigrid Leclerc Thomas Hirtzig Jean-Louis Spadoni Amu Therwath Gérard Lambeau Ivo Gut Jean-François Zagury 《Biomedicine & Pharmacotherapy》2008,62(1):31-40
Members of the secreted phospholipase A2 (PLA2) protein family can inhibit HIV-1 virus replication in vitro. To evaluate the impact of PLA2 gene polymorphisms on AIDS disease development, we studied 12 family members using SNPlextrade mark technology that permitted simultaneous typing of 70 tagging Single Nucleotide Polymorphisms (tagSNPs). The study utilized HIV-1 seropositive donors with slow progressor (n=168) or rapid progressor (n=54) status, plus 355 control subjects. All donors were Caucasian (total 577 individuals). Genetic associations yielded mainly 0.01
相似文献
100.
Fleischer AC; Dudley BS; Entman SS; Baxter JW; Kalemeris GC; James AE Jr 《Radiology》1987,162(2):307-310
The depth of myometrial invasion by endometrial carcinoma was evaluated using real-time sonography (US) in 20 patients with histologically proved adenocarcinoma of the endometrium. In 14 of 20 (70%) cases, US-based estimation of the depth of myometrial invasion was within 10% of the actual measurement in the gross specimen. The US-based estimation of tumor invasion was low in seven patients, high in four patients, and agreed with pathologic findings (+/- 5%) in nine patients. In four patients with polypoid intraluminal extension of tumor, a deeply invasive tumor was suspected on US but was not found on pathologic examination. In 12 superficially invasive tumors, the continuity of the demarcating subendometrial halo was intact in nine and incomplete in three. In six patients with deeply invasive tumors, this zone was partially disrupted in four, totally disrupted in one, and intact in one. Errors of estimation of the depth of myometrial invasion on US most frequently occurred when a tumor had a significant intraluminal polypoid extension. Demonstration of a subendometrial halo usually indicated superficial invasion, whereas the absence of a halo was frequently associated with deep invasion. 相似文献