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71.
J Ocón R Novillo H Villavicencio G Del Río R Castellet F Izquierdo F Algaba 《European urology》1984,10(2):114-120
We applied the central renal vein renin ratios in a group of patients with unilateral renal tuberculosis and hypertension to see whether the diseased kidney was involved in the pathogenesis of the elevated blood pressure. Of 20 patients 11 were nephrectomized, 7 had positive renal vein renin ratios and normal peripheral plasma renin activity; only 2 kept their blood pressure in control without medication. From 5 without a positive index, only 1 kept his blood pressure in control without medicine 1 year after surgery. The renal vein renin ratio has to be interpreted in light of other parameters, such as blood pressure, peripheral renin--if high the more the chance of being significant--and global renal function. The renal vein renin ratio alone per se gives poor information on the pressor role of a unilateral tuberculous kidney. 相似文献
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Rybczyńska A Boblewski K Lehmann A Orlewska C Foks H Drewnowska K Hoppe A 《American journal of hypertension》2005,18(3):364-371
BACKGROUND: The discovery of calcium receptors and calcimimetics created the possibility of "pharmacologic parathyroidectomy" (phPTX), which decreased secretion of parathormone (PTH). Parathyroid glands of spontaneously hypertensive rats (SHR) and of patients with primary hyperparathyroidism and hypertension secrete parathyroid hypertensive factor (PHF). Parathyroidectomy decreases blood pressure in these rats and in patients. The present study determined whether phPTX induced by calcimimetics decreases mean arterial blood pressure (MAP) in hypertensive rats. METHODS: Hypertensive SHR and normotensive Wistar Kyoto (WKY) rats were used. Clearance experiments were performed and the effect of 1 mg/kg body weight (given intravenously) synthesized NPS R-568 (NPS) on MAP in the presence or absence of thyroparathyroidectomy (TPTX) was monitored. RESULTS: The success phPTX and TPTX were proven by a significant decrease in plasma Ca(2+) concentration and a decrease in urinary fractional phosphate excretion (FE Pi). The administration of NPS significantly decreased blood pressure in SHR versus SHR/control: Delta(0-50 min of experiment) MAP -16.5 +/- 2.5 mm Hg v -3.2 +/- 1.5 mm Hg (P < .002). The TPTX decreased blood pressure in SHR versus SHR/control and was not different versus SHR/TPTX/NPS (DeltaMAP: -10.2 +/- 1.6 mm Hg v -3.2 +/- 1.5 mm Hg (P < .01) and v -8.3 +/- 2.2 mm Hg (P = not significant). In normotensive WKY rats application of NPS did not reach significance in DeltaMAP: -6.7 +/- 1.8 mm Hg v -2.6 +/- 2.8 mm Hg (P = not significant) in WKY/control. The TPTX lowered blood pressure in WKY versus WKY/control and remained unchanged versus WKY/TPTX/NPS (DeltaMAP: -11.3 +/- 1.7 mm Hg v -2.6 +/- 2.8 mm Hg (P < .04) and v -11.4 +/- 2.6 mm Hg (P = not significant). CONCLUSIONS: We conclude that phPTX with NPS R-568 is responsible for a decrease of MAP in SHR. 相似文献
73.
García Vázquez A Cano Novillo I Benavent Gordo MI López Díaz M Portela Casalod E Berchi García FJ 《Cirugía pediátrica : organo oficial de la Sociedad Espa?ola de Cirugía Pediátrica》2004,17(2):101-103
Intestinal obstructions in newborns secondary to atresias or membranes have been treated until the current moment through laparotomy and resection with anastomosis. Recently, it has been reported the use of minimally invasive techniques to correct this congenital anomaly. We present a case of jejunal diaphragm treated in our Service. Diagnosis and treatment by mean of endoscopic techniques was achieved in the fourth day of life. Operative time was 180 minutes. Postoperative course was uneventful. Results in terms of function and cosmetic were excellent. Laparoscopic management in selected cases of intestinal atresia has proven to be safe and effective and represents an alternative to neonatal open surgery. 相似文献
74.
Aulinas Anna Stantonyonge Nicole García-Patterson Apolonia Adelantado Juan M. Medina Carmen Espinós Juan José López Esther Webb Susan M. Corcoy Rosa 《Pituitary》2022,25(2):275-284
Pituitary - To describe the clinical characteristics, management and pregnancy outcome of women with prepregnancy hypopituitarism (HYPO) that received care at our center. Retrospective study... 相似文献
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Duszczyk M Ziembowicz A Gadamski R Lazarewicz JW 《Acta neurobiologiae experimentalis》2006,66(4):311-319
In Mongolian gerbils, global forebrain ischemia induces enhanced locomotor activity and the disruption of nest building immediately after the insult, followed by damage to hippocampal neurons developing 3 days later. Preconditioning by a brief episode of sublethal ischemia induces the protection of CA1 hippocampal neurons against a lethal ischemic insult. We examined how preconditioning with 2-min ischemia affects disturbances in the nest building behavior and locomotor activity induced by the injurious 3-min ischemia. Morphological examination confirmed that preconditioning significantly reduced neuronal damage in CA1 evoked by injurious ischemia. Behavioral studies demonstrated that preconditioning reduced the locomotor hyperactivity and latency in nest building after test ischemia, in comparison to sham or naive animals. The results indicate that the nest building test and measurement of locomotor activity may be used for an early in vivo prediction of the extent of ischemic brain damage and tolerance induced by ischemic preconditioning. 相似文献
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