In patients with a recently implanted DES and high-risk characteristics for stent thrombosis needing urgent surgery, a 'bridging strategy' using i.v. tirofiban may allow temporary withdrawal of oral clopidogrel without increasing the risk of bleeding.
US-guided percutaneous aspiration of splenic abscesses is a safe and effective procedure. It can be used as a bridge to surgery in patients who are critically ill or have several comorbidities. Percutaneous aspiration may allow complete non-operative healing of splenic abscesses or temporize patients at risk for surgery.
A crucial point in understanding the clinical and pathophysiologic meaning of C-reactive protein (CRP) elevation in acute coronary syndromes (ACS) is whether CRP release is predominantly a response to even small amounts of myocardial necrosis, for which troponin is a sensitive and specific marker, or is an independent indicator of the inflammatory process occurring in that clinical condition. Whereas troponin is a good predictor of both mortality and myocardial infarction (MI), although the highest values are associated with a decreased probability of MI, CRP predicts mortality but has no relation with the early or late occurrence of MI. The large variability of CRP values in ACS may depend on the different response of this inflammation marker to various stimuli, some patients being particularly hyperresponsive, especially those with elevated CRP values at baseline. We hypothesize that myonecrosis, as detected by troponin increases, would represent the strongest stimulus for CRP increase in ACS, causing in some patients, especially those with already-elevated CRP values at baseline, a disproportionate increase of this marker. Accordingly, the highest CRP values during ACS are likely to be observed in patients with already-elevated CRP values at baseline (which would increase the probability of having death and MI in the follow-up) and the highest troponin values (which would increase the probability of death in the follow-up, but not of subsequent MI). This hypothesis would explain why high CRP levels in unstable coronary disease are good predictors of death, but not of MI.
The present study shows that neutrophils and monocytes counts on the first days after acute MI treated with primary PCI are related to markers of effective myocardial reperfusion such as MBG 2-3 and ST-segment resolution. However, only monocytes and MBG are significantly and independently associated with contractile recovery of the infarcted area at 6 months.
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