Background & Aims. Patients with recurrent bleeding from gastrointestinal vascular malformations are a challenge to treat. We investigated the long-term efficacy and safety of thalidomide for refractory bleeding from gastrointestinal vascular malformations in an open-label, randomized study.
China is Worldâs Largest Energy Consumer. World consumption of energy has increased 5.6 percent in 2010, according to BPâs Statistical Review of World Energy. This is the largest increase since 1973, which happened to be a memorable year in energy history.
Last year's surge was led by China, which increased its energy consumption by 11.2 percent, according to BP. That moved China ahead of the United States as the world's biggest consumer of energy, accounting for 20.3 percent of global demand compared with 19 percent for the U.S., the report said.