conclusions as an oral premedication, clonidine can reduce surgical blood loss in lumbar spine posterior fusion surgery, even at the same levels of mean arterial pressure (map) with the control group. its use can be studied in more complicated spine surgeries, such as scoliosis and spinal deformity surgeries. results there was no statistically significant difference between groups in age (p = 0...

introduction: controlling and reducing serum uric acid levels may have beneficial effects on blood pressure control. the current study was carried out to assess the effects of allopurinol administration on serum uric acid and arterial blood pressure among the patients under hemodialysis.  methods: this double-blind clinical trial was conducted on 132 hemodialysis patients (two separate groups) ...

• Wakerlin and his associates have reported' 2 that chronic bilateral carotid sinus compression in dogs resulted in a sustained elevation of the mean arterial pressure. This finding was confirmed by Hawthorne and Gaspar, who reported also that the elevated mean arterial pressure after bilateral carotid sinus compression was ameliorated by hypophysectomy. Kezdi reported that bilateral constricti...

conclusions administration of two different doses of intravenous ondansetron, 6 mg and 12 mg, significantly attenuates spinal induced hypotension, bradycardia and shivering compared to the control saline group. however, the hemodynamic profiles and shivering in experimental groups were not statistically different. results demographic data were not statistically different among groups. hr was st...

• Wakerlin and his associates have reported' 2 that chronic bilateral carotid sinus compression in dogs resulted in a sustained elevation of the mean arterial pressure. This finding was confirmed by Hawthorne and Gaspar, who reported also that the elevated mean arterial pressure after bilateral carotid sinus compression was ameliorated by hypophysectomy. Kezdi reported that bilateral constricti...

Effects of hemorrhage on renal nerve activity and of subsequent opiate receptor blockade with naloxone were studied in conscious rabbits. Mean arterial pressure remained constant at 77 +/- 2 mm Hg through 17 +/- 2 ml/kg hemorrhage, while renal nerve activity increased by 159 +/- 16%. After 25 +/- 1 ml/kg hemorrhage, mean arterial pressure fell by 42 +/- 3 mm Hg, and renal nerve activity decreas...

The mechanisms of increased arterial pressure lability after sinoaortic deafferentation remain unknown. We have shown previously in rats with chronic sinoaortic deafferentation (7-14 days after sinoaortic deafferentation) that ganglionic blockade significantly reduced mean arterial pressure and arterial pressure lability. The present study investigated the possibility that lability is related t...

conclusions we found that 0.3 mcg/kg of sufentanil attenuates cardiovascular responses to double-lumen endobronchial intubation without adverse effects. background sufentanil is a potent opioid analgesic frequently used in clinical anesthesia. double-lumen endobronchial intubation induces profound cardiovascular responses in comparison with ordinary endotracheal intubation because of the larger...