Pharmacoeconomic Impact of Critically Ill Surgical Patients

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Abstract
Financial information on 131 patients and drug-related information on 176 patients admitted to a surgical intensive care unit (ICU) were prospectively collected. The average stay was nearly five days and patients received 8.6 drugs per day for a total average exposure of 12.2 different drugs. Antibiotics and analgesics were used in over 90 percent of patients. The patients' diagnoses fit into 53 different diagnosis-related groups (DRG). Hospital costs were significantly greater than DRG payment for an average revenue loss of $17 803 per patient. Patients with a primary diagnosis of sepsis had the largest revenue loss, averaging $54 738. One hundred patients were revenue losers. Total hospital stay was statistically longer than DRG-projected length of stay. Pharmacy charges averaged 13.6 percent of total hospital charges. Patients receiving systemic antifungals, triple antibiotics, catecholamines, and total parenteral nutrition had high hospital and pharmacy costs. This study suggests that ICU patients are costly to hospitals and that drug use is expensive. We suggest that increased pharmacy involvement in the care of ICU patients may help curtail escalating drug costs in these patients.