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Surgery and anaesthesia might affect cognition in middle-aged people without existing cognitive dysfunction. We measured memory and executive function in 964 participants, mean age 54 years, and again four years later, by when 312 participants had had surgery and 652 participants had not. Surgery between tests was associated with a decline in immediate memory by one point (out of a maximum of 30), p = 0.013: memory became abnormal in 77 out of 670 participants with initially normal memory, 21 out of 114 (18%) of whom had had surgery compared with 56 out of 556 (10%) of those who had not, p = 0.02. The number of operations was associated with a reduction in immediate memory on retesting, beta coefficient (SE) 0.08 (0.03), p = 0.012. Working memory decline was also associated with longer cumulative operations, beta coefficient (SE) -0.01 (0.00), p = 0.028. A reduction in cognitive speed and flexibility was associated with worse ASA physical status, beta coefficient (SE) 0.55 (0.22) and 0.37 (0.17) for ASA 1 and 2 vs. 3, p = 0.035. However, a decline in working memory was associated with better ASA physical status, beta coefficient (SE) -0.48 (0.21) for ASA 1 vs. 3, p = 0.01. [ABSTRACT FROM AUTHOR]

To assess the impact of Medicare's prospective payment system (PPS) on nursing homes, we reviewed hospitalization and mortality data for Wisconsin's Medicaid and general elderly populations. During the 12 months following implementation of the PPS, Wisconsin's institutionalized elderly Medicaid population experienced a 72% increase in the rate of hospitalization and a 26% decline in hospital length of stay. Two explanations for the increased hospitalization include physician manipulation of the PPS and increased rehospitalization of nursing home residents who may have been discharged prematurely from hospitals. Between 1982 and 1985, analysis of mortality data revealed a 26.2% increase in the rate of deaths occurring in nursing homes. The increase in nursing home deaths began in 1983 and was associated with a 10.3% decline in hospital deaths during the same period. Using a series of logistic analyses, the shift in location of death from hospitals to nursing homes was found to be more pronounced after implementation of the PPS. This change in location of death may reflect both a less aggressive use of hospital resources by physicians caring for terminally ill patients and a transfer of seriously ill patients to nursing homes for terminal care.

We reviewed mortality data from 80 nonprofit and government-owned skilled nursing facilities (SNFs) to evaluate previously reported increases in deaths occurring in Wisconsin nursing homes since 1983. Comparing nursing home mortality data for 1982 and 1985, we found a 16.6% increase in overall nursing home mortality rates. The increased mortality rates occurred in the sample SNFs regardless of ownership, Medicare certification, bed size, metropolitan area and hospital affiliation. There were two explanations for the increased mortality rates. First, the number of residents dying within 30 days after nursing home admission increased 59%. The majority of these short-lived residents had been discharged from hospitals indicating a transfer of terminally ill patients into nursing homes just prior to death. Second, there was a 27% increase in the mortality rate of residents living in the nursing home for 1 to 5 years suggesting that the population had become sicker between 1982 and 1985. These data reflect both the impact of Medicares Prospective Payment System (PPS) on the study nursing homes and an increase in the severity of illness of Wisconsin's nursing home population between 1982 and 1985. The findings document an increased role for nursing homes in caring for more acutely ill patients since the passage of the PPS, and have implications for nursing home reimbursement policies and quality of care.