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排序方式: 共有91条查询结果,搜索用时 15 毫秒
1.
Percutaneous balloon dilatation of calcific aortic valve stenosis: anatomical and haemodynamic evaluation. 总被引:2,自引:2,他引:0
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P Commeau G Grollier E Lamy J P Foucault C Durand G Maffei D Maiza A Khayat J C Potier 《Heart (British Cardiac Society)》1988,59(2):227-238
Two groups of elderly patients with calcified aortic stenosis were treated by balloon dilatation. In group 1, the valve was dilated just before surgical replacement of the valve. The valvar and annular changes occurring during dilatation were examined visually. In 20 of the 26 patients in this group there was no change. In the six remaining patients mobilisation of friable calcific deposits (1 case), slight tearing of the commissure (4 cases), or tearing of the aortic ring (1 case) were seen. Dilatation did not appear to alter valvar rigidity. In 14 patients (group 2) the haemodynamic gradient across the aortic valve was measured before and immediately after dilatation and one week after the procedure. Dilatation produced an immediate significant decrease of the aortic mean gradient and a significant increase of the aortic valve area. Eight days later the mean gradient had increased and the aortic valve area had decreased. Nevertheless there was a significant difference between the initial gradient and the gradient eight days after dilatation. The initial aortic valve area was also significantly larger than the area eight days after dilatation. The aortic valve gradient rose significantly in the eight days after dilatation and at follow up the gradients were those of severe aortic stenosis. 相似文献
2.
Patrick Courtheoux M.D. Dominique Maiza Jean Mani Vincent Mercier Jacques Theron 《Cardiovascular and interventional radiology》1988,11(6):340-342
A case of postnephrectomy arteriovenous fistula of the right renal pedicle is reported here. The diagnosis was confirmed by
angiography, and successful treatment was achieved using detachable balloon. 相似文献
3.
4.
Jean-Christophe Maiza Stéphane Castillo-Ros Maria Matta Antoine Bennet Philippe Caron 《Pituitary》2012,15(1):23-27
We present the case of a 51-year old female patient with acromegaly that was resistant to somatostatin analogs and dopamine agonists. The patient was diagnosed with breast cancer requiring treatment with the anti-estrogen tamoxifen. Prior to initiating the treatment with tamoxifen, the IGF-I level was very high at 415% of the upper limit of normal for the patient’s age and sex. During the tamoxifen treatment, the level of IGF-I dropped spectacularly down to normal levels. This observation highlights the effect of an anti-estrogen treatment in certain female patients with acromegaly. 相似文献
5.
To describe glucose status changes in patients with acromegaly receiving somatostatin analog lanreotide as primary treatment. This retrospective, single-center study conducted during 1996-2008, included acromegalic patients receiving primary lanreotide treatment. Baseline and last follow-up visit assessments included glucose status (according to American Diabetes Association criteria), growth hormone (GH), and insulin-like growth factor-1 (IGF-1) levels. Glucose control was considered improved when fasting plasma glucose or antidiabetic treatments were reduced, and deteriorated if fasting glucose was the same/higher but with increased antidiabetic treatments. 42 patients (median age 50?years; range 29-75?years) were included. At baseline, 26 (62%) were normoglycemic, eight (19%) had impaired glucose tolerance/fasting glycemia, and eight (19%) had diabetes mellitus; family history of diabetes mellitus was significantly associated with abnormal glucose status. At final visit, the mean (SE) lanreotide dose was 108 (21) mg/month. Median treatment duration was 23?months, range 3-138?months, and 74% of patients received the 120-mg dose. Median GH levels decreased significantly (baseline, 12 [5-20] μg/l; final visit, 2.1 [1.0-4.7] μg/l; P?0.0001); IGF-1 levels were age- and sex-normalized in 33% of patients. Glucose control deteriorated in seven patients (17%) and improved from abnormal levels in 10 (24%). Deterioration was associated with smaller GH decreases (median change, -3.4?μg/l vs. -10.7?μg/l, P?=?0.014) and improvement with trend to lower BMI and younger age. During primary lanreotide treated acromegalic patients 60% had no change, 24% had an improvement and 17% had a worsening of glucose status. Deterioration was significantly associated with smaller GH decreases during primary lanreotide treatment. 相似文献
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Massetti M Veron S Neri E Coffin O le Page O Babatasi G Buklas D Maiza D Gerard JL Khayat A 《The Journal of thoracic and cardiovascular surgery》2004,127(5):1381-1387
BACKGROUND: Ascending aortic aneurysms with normal sized sinotubular junction are generally treated by resection of the dilated aorta and replacement with tubular graft. Aortic resection and direct end-to-end anastomosis has been applied to repair aortic coarctation, interrupted aortic arch, and traumatic aortic rupture. No data exist regarding the long-term durability of this approach in ascending aortic aneurysms. The aim of this case-control study was to illustrate the durability of this operation by presenting our entire experience and the long-term follow up of a cohort of 34 patients who underwent ascending aortic aneurysm resection and primary end-to-end anastomosis between January 1990 and March 2003 in Caen University Hospital (Caen, France). METHODS: The mean age of patients was 61.5 +/- 12.5 years, and there were 18 male and 16 female patients. The operative technique included extensive mobilization of the arch, supra-aortic trunks, and inferior vena cava to enable approximation of the aortic ends, thus avoiding tension on the suture lines. Associated aortic valve replacement was performed in 27 patients; mechanical valves were used in 19. A bicuspid aortic valve was present in 9 patients; in 3 cases the valve was regurgitant. Aortic valve regurgitation was present in a total of 7 patients. Patients were followed up at regular intervals; total follow-up was 2187 patient-months, with a median follow-up time of 72 months per patient (25th-75th percentile 10.5-102.7 months). RESULTS: One patient died 10 days after the operation of aortic rupture related to suture infection caused by mediastinitis. Late deaths occurred in 3 patients, who died 12, 62, and 71 months after the operation, but none of these deaths were attributable to late aortic repair failure. No patient in this series required reoperation, including patients with aortic regurgitation or bicuspid aortic valve. Follow-up was 91.1% complete at the closing date of April 1, 2003. The Kaplan-Meier estimate of survival for all patients was 120.4 months (95% confidence interval 105.1-135.7 months). The median of preoperative maximal aortic diameter was 55.1 mm (range 50.3 to 67.5 mm, 25th-75th percentile 50.5-56.8 mm). The median immediate postoperative diameter was 40.3 mm (range 33.4-46.4 mm, 25th-75th percentile 37.2-42.0 mm, P <.0001 relative to preoperative diameter), and the median length of the resected aortic segment was 52 mm (range 48-76 mm, 25th-75th percentile 50.1-66.4 mm). The median decrease of aortic diameter was 24.9 mm (range 8.9-32.6 mm, 25th-75th percentile 18.2-26.6 mm).The median aortic diameter at the end of the follow-up was 41.0 mm (range 34.6-46.1 mm, 25th-75th percentile 37.0-43.2 mm, P =.6 relative to immediate postoperative diameter). CONCLUSIONS: Ascending aorta aneurysm resection and primary end-to-end anastomosis provides effective long-term outcome and in selected cases represents a good alternative to aortic interposition grafting. Aortic regurgitation and bicuspid aortic valve do not represent a contraindication for this treatment. 相似文献
8.
The authors report a case of calcifications of an intervertebral cervical disk in a 12-year-old boy. A torticollis was the clinically revealing event. As in the majority of the published cases, the etiology remained unknown and the evolution was simple with complete regression of the calcifications. 相似文献
9.
Wodecki P Maiza D Rozenblum B 《Revue de chirurgie orthopédique et réparatrice de l'appareil moteur》2007,93(2):190-194
We report a unique case of posterior elbow dislocation with proximal radioulnar translocation in a six-year-old child with 3D reconstruction CT images. Five other cases of this type of association have been reported in the literature. Diagnosis is often established late. Our case illustrates the diagnostic and therapeutic difficulties. The CT scan demonstrated the presence of the proximal radioulnar translocation and contributed greatly to understanding the pathogenic mechanism: the radius crossed over the ulna anteriorly. The CT-scan can reveal associated lesions missed on the plain x-rays. Surgical reduction is generally needed, preferably via a medial approach. 相似文献
10.
Impact of overgrazing on the transmission of Echinococcus multilocularis in Tibetan pastoral communities of Sichuan Province, China 总被引:2,自引:0,他引:2
Wang Q Xiao YF Vuitton DA Schantz PM Raoul F Budke C Campos-Ponce M Craig PS Giraudoux P 《中华医学杂志(英文版)》2007,120(3):237-242
Background Overgrazing was assumed to increase the population density of small mammals that are the intermediate hosts of Echinococcus multilocularis, the pathogen of alveolar echinococcosis in the Qinghai Tibet Plateau. This research tested the hypothesis that overgrazing might promote Echinococcus multilocularis transmission through increasing populations of small mammal, intermediate hosts in Tibetan pastoral communities.
Methods Grazing practices, small mammal indices and dog Echinococcus multilocularis infection data were collected to analyze the relation between overgrazing and Echinococcus multilocularis transmission using nonparametric tests and multiple stepwise logistic regression.
Results In the investigated area, raising livestock was a key industry. The communal pastures existed and the available forage was deficient for grazing. Open (common) pastures were overgrazed and had higher burrow density of small mammals compared with neighboring fenced (private) pastures; this high overgrazing pressure on the open pastures measured by neighboring fenced area led to higher burrow density of small mammals in open pastures. The median burrow density of small mammals in open pastures was independently associated with nearby canine Echinococcus multilocularis infection (P=-0.003, OR=1.048).
Conclusion Overgrazing may promote the transmission of Echinococcus multilocularis through increasing the population density of small mammals. 相似文献