BACKGROUND Sleep apnea syndrome (SAS) is an independent risk factor for hypertension which is a major risk factor for acute aortic dissection. The purposes of this study were to assess the prevalence of SAS in patients with acute aortic dissection, delineate the characteristics of patients who have acute aortic dissection with SAS. METHODS Of 95 consecutive patients with acute aortic dissecti...

Recent advances in classical planning have used the SAS+ formalism, and several effective heuristics have been developed based on the SAS+ formalism. Comparing to the traditional STRIPS/ADL formalism, SAS+ is capable of capturing vital information such as domain transition structures and causal dependencies. DTG-Plan uses a new SAS+ based incomplete planning approach. Instead of using SAS+ to d...

SAS Environment Manager is included within the release of SAS 9.4. This exciting new product allows administrators to monitor the performance and operation of their SAS deployments. What very few people are aware of is that the data collected by SAS Environment Manager is stored in a centralized data mart that is designed to help administrators to better understand the behavior and performance ...

In the rapidly growing pace of information technology advancement, making the right decisions about software upgrades and hardware purchases becomes an important factor in maximizing one‟s SAS investment. With a wide range of SAS products and infrastructure platforms available, one challenge faced by SAS administrators is choosing the optimal bundle in software selection and hardware configurat...

The construction of a warehouse using data from DuPont Pharmaceutical’s Clinical Pharmacokinetics Group with the SAS/Warehouse Administrator product is described herein. Data sources incorporated into the pharmacokinetic warehouse existed in multiple formats (Oracle, Excel, SAS data sets, etc) and were represented by numerous individual files, rather then few large files. In most cases, the da...