• Darat Ruangkriengsin and Pochamana Phisalprapa.
• J Med Assoc Thai. 2014 Mar 1;97 Suppl 3:S206-15.

BackgroundUnnecessary days of prolonged hospitalization may lead to the increase in hospital-related complications and costs, especially in tertiary care center Currently, there have not been many studies about the causes of prolonged hospitalization. Some identified causes could, however, be prevented and improved.ObjectiveTo identify the prevalence, causes, predictive factors, prognosis, and economic burden of prolonged hospitalization in patients who had been in general internal medicine wards of the tertiary care center for 7 days or more.Material And MethodRetrospective chart review study was conducted among all patients who were admitted for 7 days or more in general internal medicine wards of Siriraj Hospital, the largest tertiary care center in Thailand. The period of this study was from 1 August 2012 to 30 September 2012. Demographic data, principle diagnosis, comorbid diseases, complications, discharge status, total costs of admission and percentage of reimbursement were collected. The causes of prolonged hospitalization at day 7, 14, 30, and 90 were assessed.ResultsFive hundred and sixty-two charts were reviewed. The average length of stay was 25.9 days. The two most common causes of prolonged admission at day 7 were treatment of main diagnosed disease with stable condition (27.6%) and waiting for completion of intravenous antibiotics administration with stable condition (19.5%). The causes of prolonged hospitalization at day 14 were unstable condition from complications (22.6%) and those waiting for completion of intravenous antibiotics administration with stable condition (15.8%). The causes of prolonged admission at day 30 were unstable conditions from complications (25.6%), difficulty weaning or ventilator dependence (17.6%), and caregiver problems (15.2%). The causes of prolonged hospitalization at day 90 were unstable condition from complications (30.0%), caregiver problems (30.0%), and palliative care (25.0%). Poor outcomes were shown in the patients admitted more than 90 days. Percentage of death, being bedridden, and re-admission were 55, 40, and 22, respectively. The goal of treatment was only palliative care in 80 percent of this patient group. Respiratory failure among the hospitalized was the strongest predictive factors of death (Odds ratio = 7.5, p < 0.001). The average costs of admission per patient was 163,870 THB and the percentage of reimbursement was only 72%. For total costs of admission in these two months, Siriraj Hospital lost a large amount of money (about 26 million THB) for patients admitted for 7 days or more and almost 50% of this was spent on the patients admitted for 90 days or more. The average cost of admission per patient in the latter group was 1,073,004 THB.ConclusionProlonged hospitalization had adverse outcomes for the patients and the hospital, such as high complications, poor outcomes, high costs of treatment and low reimbursement ratio that created an enormous economic burden for the hospital. Therefore possible preventable causes of prolonged admission must be identified, prevented and managed by improving quality of multidisciplinary health care system and ancillary services.

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