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The National Healthcare Safety Network's new classification characterizes all adverse ventilator-associated events (VAE) into a tiered system designed to shift the focus away from ventilator-associated pneumonia as the only important cause or morbidity in ventilated patients. This new surveillance definition of VAE eliminates subjectivity by using clearly defined criteria and facilitates the automated collection of data. This allows for easier comparison and analysis of factors affecting rates of VAE. Numerous studies have been published that demonstrate its clinical application. This article presents the VAE criteria, contrasts the difference from the previous ventilator-associated pneumonia definition, and discusses its implementation over the past 5 years.

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LMWH is an effective method of CP in patients with TBI, providing a lower rate of venous thromboembolic and hemorrhagic complications when compared with UFH. A large, prospective, randomized study would better evaluate the safety and efficacy of LMWH in patients suffering blunt traumatic brain injury.