[Long-term results of mitral valve repair for ischemic mitral insufficiency].

Background: The preferred treatment for ischemic mitral insufficiency is mitral valve repair with a prosthetic ring, because it does not deteriorate left ventricular function, allowing better immediate and long-term results.

Aim: To assess long-term results of mitral annuloplasty with a prosthetic ring for ischemic mitral insufficiency.

Patients And Methods: One hundred patients (68 men), with a mean age of 65.

[Surgery of post myocardial infarction papillary muscle rupture].

Background: Papillary muscle rupture is a serious complication of myocardial infarction whose only treatment is surgery.

Aim: To analyze our most recent surgical experience with papillary muscle rupture.

Patients And Methods: The database of our Service was reviewed for the period 1995-2005, to identify patients with papillary muscle rupture.

[Substance use and risk behaviors of out-of-treatment cocaine base paste and cocaine hydrochloride users].

Background: In Chile, cocaine base paste (CBP) is the illegal substance that produces the highest rate of addiction. Nonetheless, a marginal number of users receive treatment each year.

Aim: To compare the consumption patterns and risk behavior of CBP and cocaine hydrochloride (CH) users who do not attend rehabilitation services.