Factors associated with knowledge of the nursing staff at a teaching hospital on blood transfusion.

Objective: to determine whether there is an association between knowledge of the nursing professionals about blood transfusion and the variables related to the professional aspects.

Method: this is an observational, cross-sectional and quantitative study, carried out at a large general teaching hospital. The sample consisted of 209 nursing professionals, obtained by simple random sampling.

Sociodemographic and health factors associated with chronic pain in institutionalized elderly.

Objectives: to characterize chronic pain in institutionalized elderly and verify the associated factors.

Method: observational, cross-sectional and non-experimental study with a quantitative approach. The study participants were 124 elderly living in Long-Term Care Institutions for the Elderly (LTCIs) in a city in Minas Gerais (Brazil).

Risk factors associated with the occurrence of adverse events in plateletpheresis donation.

Objective: To recognize the profile of platelet donors and the profile of the plateletpheresis session as well as to investigate the main adverse events of platelet donation using plateletpheresis and associated risk factors.

Methods: This retrospective, cross-sectional and analytical study was performed with a quantitative approach by analyzing 316 donation files from February 2010 to December 2011. The IBM SPSS Statistics program was used for data processing and analysis.