Patient safety

The research cycle: understanding causes

Classic studies in patient safety research

Research cycle: understanding causes

Due to the complex nature of health-care, there is no single reason why things go wrong.

Research is therefore needed to identify the major underlying causes of adverse events that lead to patient harm.

  • Aiken
    ppt, 814kb

    Cross-sectional study
    Aiken LH, Clarke SP, Sloane DM, Sochalski J, Silber JH. Hospital nurse staffing and patient mortality, nurse burnout, and job dissatisfaction. JAMA, 2002: 288:1987-1993.
  • Andrews
    ppt, 757kb

    Prospective ethnographic study
    Andrews LB, Stocking C, Krizek T, et al. An alternative strategy for studying adverse events in medical care. Lancet. 1997; 349:309-313.
  • Cullen
    ppt, 606kb

    Prospective cohort study
    Cullen DJ, Sweitzer BJ, Bates DW, Burdick E, Edmondson A, Leape LL. Preventable adverse drug events in hospitalized patients: a comparative study of intensive care and general care units. Crit Care Med, 1997, 25:1289-1297.
  • Wu
    ppt, 611kb

    Cross-sectional study
    Wu AW, Folkman S, McPhee SJ, Lo B. Do house officers learn from their mistakes? JAMA, 1991, 265:2089-2094.
Share