2002). The advantagesof this new definition are that it is based on the presence or absence of a biologic end point, indicates that transient ischemic symptoms can cause permanent brain injury ...

A TIA, or transient ischemic attack, is a temporary blockage of blood flow to a part of the brain. By definition, a TIA lasts ...

Acute limb ischemia (ALI) results from a sudden obstruction in the arterial flow to the extremity due to an embolism or thrombosis. Embolic problems result in a greater degree of ischemia than ...

肥胖与脂代谢异常之间的关系密切，大多数肥胖人群表现出脂代谢异常，主要是甘油三酯（TG）水平升高和/或高密度脂蛋白胆固醇（HDL-C）水平降低，而低密度脂蛋白胆固醇（LDL-C）水平可能仅轻度升高或正常。这些代谢特征导致肥胖人群的调脂策略与普通人群存在 ...

Dec. 10, 2024 — Artificial intelligence provides new evidence that rapid decarbonization will not prevent warming beyond 1.5 degrees Celsius. The hottest years of this century are likely to ...

The study provides valuable insights into the mechanisms underlying neurovascular coupling; the authors present solid evidence demonstrating that layer II/III pyramidal neurons can induce ...

The pain from lupus may be constant, columnist Candace Semien writes, but with gratitude and hope, suffering is optional.

Mass spectrometry is an analytical technique that uses an instrument called a mass spectrometer to measure the mass-to-charge ratios of molecular ions. Molecules fragment within the mass ...

Preclinical research involves the evaluation of potential therapeutic interventions in cells and animals. Candidates for entry into clinical trials can then be selected based on their ...

Similarly, studies which failed to demonstrate outcome benefits, where sound physiological data exist, should be re-evaluated with the aim of explaining the reason for futility, helping to define the ...

A top selling antiplatelet drug has never quite shaken off doubts about its advantage over cheaper rivals. With generic versions of ticagrelor about to launch, Peter Doshi takes a fresh look at the ...

The universal definition differentiates patients with myocardial infarction due to plaque rupture ... including those patients with chest pain or evidence of myocardial ischemia. The mechanism of ...