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OBJECTIVES: To determine the provider cost of administering intensive care unit (ICU) services, comparing 3 different staffing models for ICU coverage, and to compare the costs of using house staff vs nonphysician providers (NPPs). METHODS: Data were collected on total staff composition and number of beds In ICUs from January 1, 2004, through December 31, 2004, at the 3 Mayo Clinic sites: Rochester, Minn; Jacksonville, Fla; and Scottsdale, Ariz. Institutional or national average staff salaries were used to determine total staffing costs per ICU bed per year at each site. Medicare medical education reimbursements were also taken into account. RESULTS: Costs per ICU bed for physician staffing were $18,630 in Rochester, $37,515 in Jacksonville, and $38,010 in Scottsdale. When NPPs were substituted for house staff, the costs per bed were $72,466 in Rochester, $61,291 in Jacksonville, and $49,909 in Scottsdale. Incremental costs per ICU bed using NPPs were $53,836 in Rochester, $23,776 in Jacksonville, and $11,899 in Scottsdale. CONCLUSION: Use of residents and fellows in ICU staffing at a major tertiary health center is more cost-efficient than use of NPPs. This finding could have Implications for the cost of physician services in nonteaching community hospitals and the methods by which care is provided. [ABSTRACT FROM AUTHOR]

BACKGROUND: The association between thyroid dysfunction and pulmonary hypertension (PH) has not been well characterized. METHODS: This retrospective study comprised 356 consecutive PH patients seen at Mayo Clinic Jacksonville Pulmonary Hypertension Center from 1992 to 2006 and 698 sex-matched control subjects without PH. Thyroid disease was defined as an abnormal thyroid-stimulating hormone level, with or without an abnormal free or total thyroxine level, a history of thyroid disease on replacement, or an elevated thyroperoxidase antibody level. The main outcome measure was prevalence of thyroid disease in each group. RESULTS: Median age of the 356 PH patients was 65 years; 230 patients (65%) were female. The control group of 698 patients had the same sex ratio and median age of 68 years. Most PH patients had severe PH, as categorized by World Health Organization (WHO) class (74% class 3-4) and pulmonary artery systolic pressure. Among those with PH, 85 patients (24%) had thyroid disease vs 107 control patients (15%). After adjusting for age and sex, the prevalence of thyroid disease was increased in PH patients compared with control patients. Increased prevalence was most prominent in WHO group 1, pulmonary artery hypertension confirmed by right-heart catheterization (odds ratio, 2.53; 95% confidence interval, 1.55 to 4.08; p < 0.001). Most patients had mild thyroid disease and were hypothyroid. Only 14 of 85 patients (16%) had previously undiagnosed thyroid disease. CONCLUSIONS: Patients with PH have a higher prevalence of thyroid disease than other pulmonary patients. Evaluation of thyroid function in PH patients may be warranted to detect and assess coexisting thyroid disease. [ABSTRACT FROM AUTHOR]

OBJECTIVE: To examine the frequency and microbial pattern of pneumonia and its effect on survival in the current era of orthotopic liver transplantation (OLT). PATIENTS AND METHODS: At the Mayo Clinic in Jacksonville, Fla, the medical records of consecutive patients who underwent their first OLT between February 1998 and January 2001 were retrospectively reviewed through the end of the first year posttransplantation. RESULTS: Of 401 study patients, 20 developed pneumonia; estimates of incidence with corresponding 95% confidence interval (CI) at 1 and 12 months were 3% (1%-5%) and 5% (3%-7%), respectively. Pseudomonas aeruginosa was the predominant microorganism identified (in 8 of 14 patients) during the first month after transplantation. Between the second and sixth months, 2 of the 4 cases of pneumonia were due to fungal infections of Aspergillus fumigatus. Cytomegalovirus was associated with Aspergillus in 1 patient. No other viral or Pneumocystis carnil pneumonia was diagnosed. There were only 2 cases of pneumonia between 7 months and 1 year after transplantation, neither of which was fungal. Approximately 40% (95% CI, 14%-58%) of patients with pneumonia died within 1 month after diagnosis. The relative risk of mortality in the first month after onset of pneumonia was estimated to be 24 (95% CI, 10-54), which is strong evidence of increased risk of mortality with pneumonia (P<0.001). CONCLUSIONS: Pneumonia appears to occur less often after OLT than previously reported but still has a substantial negative effect on survival. In the early period after OLT, P. aeruginosa continues to be the predominant organism causing pneumonia. [ABSTRACT FROM AUTHOR]