The effects of types of guidewires and pressure applied during stent implantation in the main vessel on the incidence of damage to coronary guidewires during angioplasty of coronary bifurcation lesions-Wide Beast study.

Objectives: We evaluated the impact of stent inflation pressure and type of guidewire on "jailed" coronary guidewire damage occurring during bifurcation angioplasty.

Background: Despite new techniques and treatment options during percutaneous coronary intervention (PCI) we still observe peri- and postoperative complications for to various known and unknown reasons.

Methods: Patients undergoing PCI within the coronary bifurcation were randomly assigned to one of four groups: Pilot 50 or BMW guidewire and pressure ≤12 or >12 atm.

Prevalence of low serum vitamin D concentration in an urban population of elderly women in Poland.

Introduction: So far only scarce data have been published regarding serum vitamin D concentrations in elderly women in Poland.

Objectives: We aimed to assess prevalence of vitamin D deficiency in a population of women aged 60 to 90 years and living in Warsaw.

Patients And Methods: The study comprised 274 women from the general population (mean age 69.