background  : on-pump coronary artery bypass graft (cabg) surgery impairs gas exchange in the early postoperative period. the main object on this study was evaluation of changes in arterial blood gas values in patients underwent on pump cabg surgery receiving different dose of intravenous nitroglycerin (ntg). methods : sixty-seven consecutive patients undergoing elective on-pump cabg randomly e...

abstract background and objectives: patients are oriented towards spirituality after coronary artery bypass grafting (cabg). the aim of this study was to explore the patients’ spiritual experiences after cabg. methods: this qualitative study was conducted using hermeneutic phenomenology. 11 participants (7 males and 4 females) were interviewed in tehran heart center hospital in 2013 using maxim...

background: redo coronary artery bypass grafting surgery (cabg) is associated with a higher risk of mortality than the first operation. however, the impact of percutaneous coronary intervention (pci) on the outcome in such patients is currently unclear. we evaluated the in-hospital and six-month clinical outcomes of post-cabg patients who underwent pci in our center. methods: between april 2008...

iatrogenic coronary artery dissection during coronary angiography with or without rupture is a rare but feared complication . we herein report a case of iatrogenic left main coronary artery dissection in a 49-year-old female. admitted to our hospital with a recent history of severe hypotension, she develpled apnea during angiography. she was intubated  and resuscitated with an epinephrine infus...

background : postoperative neurological injuries, including cognitive dysfunction, sleep disorder, delirium, and anxiety, are the important consequences of coronary artery bypass graft surgery (cabg). evidence has shown that postoperative sleep disturbance is partly due to disturbed melatonin secretion in the perioperative period. the aim of this study was to evaluate the effect of melatonin on...

at the final stages of a coronary artery bypass graft operation on a 64-year-old man, an experienced physician attempted to insert an intra-aortic balloon pump into the femoral artery via the seldinger technique. however, while the balloon pump was being passed over the guide wire, the latter was completely lost. the guide wire should be held at the tip at all times to prevent passage into the ...

background: lactic acidosis in cardiac surgical patients is a manifestation of systemic inflammation and excess pro-inflammatory cytokine production. this investigation was designed to integrate basic concepts about lactate acidosis with a clinically used of serum lactate in patients under coronary artery bypass surgery (cabg) by on pump method. methods: from august to september 2012, 15 patien...

In this study, involvement ofvoltage-dependent calcium channels in LTP of responses of rat visual cortex slices was analyzed. Field potentials including EPSP1 and EPSP2 from layers II/III were recorded through stimulation of layer IV. Whereas nifedipine, a L-type calcium channel blocker (L-VDCC), did not considerably affect the LTP of responses, but Ni2+, a relatively selective blocker of T-typ...

The classic fill-and-spill model is widely applied to interpret topographic controls on depositional architecture and facies distributions in slope successions with complicated topography. However, this implies a constant configuration over the lifespan of turbidite system. In contrast, impact patterns erosion deposition above dynamic slopes whose varies spatially time remains poorly investigat...

In this paper, we introduce a method of threshold secret sharing scheme (TSSS) in which secret reconstruction is based on Babai's nearest plane algorithm. In order to supply secure public channels for transmitting shares to parties, we need to ensure that there are no quantum threats to these channels. A solution to this problem can be utilization of lattice-based cryptosystems for these channe...