The information that the medical treatment of Heydar Alyev who is at Cleveland hospital at the present time will take another week has been confirmed. Earlier it was expected that President of Azerbaijan would have returned from the US to his motherland by February 10. According to the reports of Baku media the delay of the return is caused by the worsening of Aliyev's health state. The day before yesterday his son, deputy of the parliament of the country Ilham Aliyev, left for the US to see his father. It should be reminded that Azeri President has cancelled his trip to Washington, which was earlier made agree at the highest levels and where he should have met with Vice-President Dick Cheini.