Artificial heart newer versions, such as the Heartmate II, developed by The Texas Heart Institute of Houston, provide continuous flow. These pumps (which may be centrifugal or axial flow) are smaller and potentially more durable and last longer than the current generation of total heart replacement pumps. Another major advantage of a VAD is that the patient keeps the natural heart, which may still function for temporary back-up support if the mechanical pump were to stop. This may provide enough support to keep the patient alive until a solution to the problem is implemented. In August 2006, an artificial heart was implanted
Human rights in Argentina suicide. In March a federal court released two Coast Guard constables who were arrested in connection with the case. In March 2008 the National Human Rights Secretariat pressed homicide charges against former economy minister Jose Martinez de Hoz, who served under the military dictatorship, for the death of economist Juan Carlos Casariego Del Bel. In March 2008 former navy lieutenant commander Ricardo Cavallo was extradited from Spain to Argentina to face charges of crimes against humanity committed during the military dictatorship. Cavallo was indicted in July and remained in pretrial detention at year's end. In May 2008 federal authorities indicted