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The effect of hospital experience on mortality among patients hospitalized with acquired immunodeficiency syndrome in California.

BACKGROUND: Several studies in the 1980s suggested that mortality rates for patients hospitalized with the acquired immunodeficiency syndrome (AIDS) were lower in hospitals that cared for greater numbers of AIDS patients. We sought to determine whether this observation persisted in the mid-1990s in California. SUBJECTS AND METHODS: We performed an analysis of hospital discharge data for 7,901 adults discharged with human immunodeficiency virus (HIV) or AIDS-related diagnoses from all acute care hospitals (n = 333) in California during 1994. The main outcome measure was in-hospital mortality, adjusted for severity of illness, comorbidity, prior hospitalizations, and other patient and hospital characteristics. RESULTS: Among 7,901 persons hospitalized with AIDS, the unadjusted inpatient mortality was 9.0%. The adjusted mortality rate varied significantly (P <0.0001) from 12.4% among institutions with the lowest quartile of AIDS experience to 10.3%, 6.3%, and 7.6% by quartile of greater AIDS experience. Increasing severity of illness, comorbidity, and previous hospitalizations were also significant predictors of increased mortality. Sex, race, and insurance status were not associated with hospital mortality. CONCLUSIONS: Hospital mortality for AIDS patients was greater among less experienced hospitals. The difference in mortality rate was equivalent to more than four additional deaths per 100 patients with AIDS admitted to the least experienced hospitals. This finding was not explained by severity of illness, comorbidity, or other case-mix variables.

Acquired Immunodeficiency Syndrome↗

Nasal carriage and antibiotic resistance of Staphylococcus aureus isolates from hospital and non-hospital personnel in Abha, Saudi Arabia.

The prevalence of nasal carriage of Staphylococcus aureus, antibiograms and prevalence of methicillin-resistant S. aureus (MRSA) were studied in 1999 among healthy hospital and non-hospital personnel in Abha, Saudi Arabia. S. aureus was isolated from 26.1% of 299 adults in the community and 25.4% of 279 hospital personnel. No isolate was resistant to vancomycin. Antibiotic resistance rates, for all other antibiotics tested except cephalothin, were significantly higher for strains from hospital personnel (P values < 0.001-0.04) compared to non-hospital adults. The antibiograms were also compared with those of 140 clinical isolates. The rates of resistance of the inpatient strains to all the antibiotics tested were significantly higher than those of hospital nasal carrier strains (P < 0.001-0.05). MRSA was isolated, respectively, from 5.1% and 18.3% of non-hospital and hospital carriers; MRSA carriage rates were 1.3% and 4.7%, respectively, for non-hospital and hospital carriers, and 61% of S. aureus isolates from infected patients were MRSA. Only 8% of non-hospital but 44% of hospital carrier strains were multiply resistant (P < 0.001). Multiple resistance among inpatient strains (89%) was significantly higher than that among hospital nasal strains (44%) (P < 0.001). Such rates of multiple resistance and endemic MRSA prevalence among healthy carriers (11%) at a much higher rate than those reported in the literature should raise concern in a region with unrestricted availability of antibiotics.

Adult↗

Differences in inducibility and prognosis of in-hospital versus out-of-hospital identified nonsustained ventricular tachycardia in patients with coronary artery disease: clinical and trial design implications.

OBJECTIVES: The goal of this study was to describe the influence of the clinical setting (in-hospital vs. out-of-hospital) in which nonsustained ventricular tachycardia (NSVT) is discovered on the rate of inducibility of sustained ventricular tachycardia (VT), arrhythmic events and survival in patients with coronary artery disease (CAD) and left ventricular (LV) dysfunction. BACKGROUND: In-hospital presentation of sustained VT is independently associated with lower long-term overall survival. The impact of the clinical setting in which NSVT is documented is unknown. METHODS: In the Multicenter Unsustained Tachycardia Trial (MUSTT), designed to assess the benefit of randomized antiarrhythmic therapy guided by electrophysiologic testing in patients with asymptomatic NSVT, CAD and LV dysfunction, eligible patients were enrolled irrespective of the setting in which the index arrhythmia was discovered. In this retrospective analysis, we compared the rate of VT inducibility and outcome of MUSTT-enrolled patients with in-hospital versus out-of-hospital presentation of NSVT. RESULTS: Monomorphic sustained VT was induced in 35% and 28% of the patients whose index NSVT occurred in-hospital and out-of-hospital, respectively (adjusted p = 0.006). Cardiac arrest or death due to arrhythmia at two- and five-year follow-ups were 14% and 28% for untreated patients with in-hospital-identified NSVT and 11% and 21% for the out-of-hospital group (adjusted p = 0.10). Overall mortality rates at two- and five-year follow-ups were 24% and 48% for inpatients and 18% and 38% for outpatients (adjusted p = 0.018). In patients randomized to antiarrhythmic therapy, there was no significant interaction between patient status (in-hospital vs. out-of-hospital) and treatment impact on the rates of total mortality (p = 0.98) and arrhythmic events (p = 0.08). CONCLUSIONS: In patients with CAD and impaired LV function, asymptomatic NSVT identified in-hospital, compared with that identified out-of-hospital, is associated with a higher rate of induction of sustained VT and overall mortality. Therefore, in similar patients, the clinical setting in which NSVT is discovered should be taken into account when formulating patient risk, treatment and clinical trial design.

Aged↗

Reducing major cause-specific hospitalization rates and shortening hospital stays after influenza vaccination.

BACKGROUND: The impact of influenza vaccination on major cause-specific hospitalization and the duration of hospital stay is rarely reported. Our purpose was to study the effect of vaccine efficacy on major disease-specific hospitalization and the duration of hospital stays among elderly persons. SUBJECTS AND METHODS: From 1 January through 30 June 2001, we prospectively observed 35,637 vaccinated elderly persons (age, >or=65 years) and 53,094 unvaccinated elderly persons in Kaohsiung County, Taiwan, by computerized linkage to the National Health Insurance database. Of these persons, 21,347 had been assigned a high-risk status by the Department of Health, Taiwan. Univariate and multivariate logistic regression were used for determining vaccine efficacy in hospitalization. Multiple linear regression analyses were performed for determining the length of hospital stays. RESULTS: In both high-risk and low-risk groups, vaccination was associated with reducing the rates of hospitalization for all causes (20% vs. 23%), lung diseases, congestive heart failure (43% vs. 32%), renal disease, and liver disease (P<.05). It was also significant for stroke, hypertension, diabetes, neoplasm, and injury in low-risk patients (P<.05). Multivariate logistic regression showed that vaccination was significantly associated with reducing the rate of hospitalization (odds ratio [OR], 0.89; 95% confidence interval [CI], 0.86-0.92), but those with high-risk status had an increased risk of hospitalization (OR, 3.69; 95% CI, 3.56-3.82). Multiple linear regression analysis showed that vaccination decreased the duration of all-cause hospital stays (coefficient, -2.4 days; 95% CI, -2.7 to -2.1 days) and of hospitalization due to lung disease (coefficient, -4.9 days; 95% CI, -6.0 to -3.8 days). CONCLUSION: Influenza vaccination may reduce hospitalization rates and shorten hospital stays not only for lung diseases but also for other common diseases in high-risk and low-risk elderly populations.

Aged↗

Hospital and community fluoroquinolone use and resistance in Staphylococcus aureus and Escherichia coli in 17 US hospitals.

BACKGROUND: Fluoroquinolones are widely prescribed in hospitals and the community. Previous studies have shown associations between fluoroquinolone use and isolation of fluoroquinolone-resistant Escherichia coli and methicillin-resistant Staphylococcus aureus (MRSA). We performed an ecologic-level study to determine whether variability in hospital percentages of fluoroquinolone-resistant E. coli and MRSA were associated with fluoroquinolone use in hospitals and their surrounding communities. METHODS: We measured fluoroquinolone use in 17 US hospitals and their surrounding communities in the year 2000. Data on fluoroquinolone use in hospitals was electronically extracted from billing data. Data on fluoroquinolone use in communities was obtained from IMS health data for all prescriptions filled in pharmacies within a 16-km radius of each hospital. We used hospital antibiograms to determine the percentage of isolates that were fluoroquinolone-resistant E. coli and MRSA, and we performed linear regression to determine the relationship between percentage of resistant isolates and fluoroquinolone use in hospitals and their surrounding communities. RESULTS: There was a significant association between total fluoroquinolone use within hospitals and percentage of S. aureus isolates that were MRSA (r=0.77; P=.0003) and between total fluoroquinolone use in the community and percentage of E. coli isolates that were fluoroquinolone-resistant E. coli (r=0.68; P=.003). Population density within the 16-km radius also correlated with MRSA percentage (r=0.57; P=.015) and fluoroquinolone-resistant E. coli percentage (r=0.85; P=.002), but associations between total fluoroquinolone use and resistance remained significant after adjustment for population density. CONCLUSIONS: In this ecologic analysis, we found associations between fluoroquinolone use in hospitals and methicillin resistance in S. aureus and between fluoroquinolone use in communities and fluoroquinolone resistance in E. coli in hospitals. Antimicrobial use in hospitals and communities may have different relative importance with regard to resistance in different pathogens encountered in hospitals.

Anti-Bacterial Agents↗

Hospital characteristics associated with colonization of water systems by Legionella and risk of nosocomial legionnaires' disease: a cohort study of 15 hospitals.

OBJECTIVE: To investigate an increase in reports of legionnaires' disease by multiple hospitals in San Antonio, Texas, and to study risk factors for nosocomial transmission of legionnaires' disease and determinants for Legionella colonization of hospital hot-water systems. SETTING: The 16 largest hospitals in the cities of San Antonio, Temple, and Austin, Texas. DESIGN: Review of laboratory databases to identify patients with legionnaires' disease in the 3 years prior to the investigation and to determine the number of diagnostic tests for Legionella performed; measurement of hot-water temperature and chlorine concentration and culture of potable water for Legionella. Exact univariate calculations, Poisson regression, and linear regression were used to determine factors associated with water-system colonization and transmission of Legionella. RESULTS: Twelve cases of nosocomial legionnaires' disease were identified; eight of these occurred in 1996. The rise in cases occurred shortly after physicians started requesting Legionella urinary antigen tests. Hospitals that frequently used Legionella urinary antigen tests tended to detect more cases of legionnaires' disease. Legionella was isolated from the water systems of 11 of 12 hospitals in San Antonio; the 12th had just experienced an outbreak of legionnaires' disease and had implemented control measures. Nosocomial legionellosis cases probably occurred in 5 hospitals. The number of nosocomial legionnaires' disease cases in each hospital correlated better with the proportion of water-system sites that tested positive for Legionella (P=.07) than with the concentration of Legionella bacteria in water samples (P=.23). Hospitals in municipalities where the water treatment plant used monochloramine as a residual disinfectant (n=4) and the hospital that had implemented control measures were Legionella-free. The hot-water systems of all other hospitals (n=11) were colonized with Legionella. These were all supplied with municipal drinking water that contained free chlorine as a residual disinfectant. In these contaminated hospitals, the proportion of sites testing positive was inversely correlated with free residual chlorine concentration (P=.01). In all hospitals, hot-water temperatures were too low to inhibit Legionella growth. CONCLUSIONS: The increase in reporting of nosocomial legionnaires' disease was attributable to increased use of urinary antigen tests; prior cases may have gone unrecognized. Risk of legionnaires' disease in hospital patients was better predicted by the proportion of water-system sites testing positive for Legionella than by the measured concentration of Legionella bacteria. Use of monochloramine by municipalities for residual drinking water disinfection may help prevent legionnaires' disease.

Cohort Studies↗

Population-based study of relationships between hospital volume of prostatectomies, patient outcomes, and length of hospital stay.

BACKGROUND: Despite the large number of prostatectomies performed annually, few data exist regarding relationships between the volume of prostatectomies handled by a hospital, the length of a patient's stay in the hospital, and patient outcomes. We examined the effect of hospital prostatectomy volume and changes in the hospital volume on patient outcomes and the length of a patient's stay. METHODS: We collected data on 101 604 prostatectomies from Medicare claims filed from 1991 through 1994. By use of logistic regression and analysis of variance, we examined relationships between hospital load of prostatectomies, length of a patient's hospital stay, surgical complications, readmission rate, and mortality rate in a 30-day period following surgery. Statistical tests were two-sided. RESULTS AND CONCLUSIONS: Cross-sectional analyses revealed that, compared with high-volume hospitals, low-volume, medium-low-volume, and medium-high-volume hospitals had higher relative risks of readmission by 30% (95% confidence interval [CI] = 21%-39%), 16% (95% CI = 7%-25%), and 8% (95% CI = -1% to 17%), respectively; higher relative risks of serious complications by 43% (95% CI = 37%-48%), 25% (95% CI = 19%-31%), and 9% (95% CI = 3%-15%), respectively; and higher relative risks of mortality by 51% (95% CI = 25%-77%), 43% (95% CI = 17%-69%), and 42% (95% CI = 16%-68%), respectively. The mean length of a patient's stay in a low-volume hospital was 9% longer than that in a high-volume hospital (8.51 days [95% CI = 8.47-8.56] versus 7.81 days [95% CI = 7.77-7.85]; P for trend across all volume categories =.0001). Within-hospital longitudinal analyses revealed that hospitals with a relative increase in prostatectomy volume had a 57% greater reduction in the length of a patient's stay compared with those with a relative decrease in volume (P =.005). Changes in prostatectomy volume did not affect the frequency of complications, mortality, and readmission. These findings suggest that an increase in a given hospital's prostatectomy volume may facilitate a decrease in the length of a patient's stay without an adverse impact on patient outcomes.

Aged↗

Decline in respiratory syncytial virus hospitalizations in a region with high hospitalization rates and prolonged season.

BACKGROUND: During 1993 to 1996, Alaska Native infants <1 year of age from the Yukon Kuskokwim (YK) Delta in Alaska experienced a respiratory syncytial virus (RSV) hospitalization rate 5 times the U.S. general infant population rate. We describe trends in lower respiratory tract infection (LRTI) and RSV hospitalizations in YK children from 1994 to 2004. METHODS: We abstracted hospital dates, RSV test results and clinical information from the hospital records for YK children <3 years of age hospitalized between July 1994 and June 2004. RESULTS: : The RSV hospitalization rate in YK Delta children <1 year of age decreased from 178 per 1000 infants per year (1994-1997) to 104 per 1000 infants per year (2001-2004) (P < 0.001), and the RSV hospitalization rate for premature infants decreased from 317 to 123 per 1000 infants per year (P < 0.001). The risk reduction for RSV hospitalization was greater in premature (relative risk, 0.39) than in term infants (relative risk, 0.60; P = 0.04). The rate of non-RSV LRTI hospitalizations increased from 153 to 215 per 1000 infants per year (P < 0.001). The median RSV season length was 30.5 weeks. Pneumonia was diagnosed in more than half of RSV admissions. CONCLUSIONS: In YK infants, the RSV hospitalization rate decreased by one-third between 1994 and 2004; however, the overall LRTI hospitalization rate did not change. The median RSV season was twice as long as for the U.S. population. Palivizumab prophylaxis may be responsible for the larger decrease in the RSV hospitalization rate among premature infants; however, the 2001-2004 RSV hospitalization rate among YK infants remained 3 times higher than the U.S. infant rate.

Alaska↗

Communities and hospitals: social capital, community accountability, and service provision in U.S. community hospitals.

OBJECTIVES: The study related community social capital to the level of community accountability and provision of community-oriented services in U.S. community hospitals. STUDY SETTING: The sample included 1,383 community hospitals that participated in the 1997 American Hospital Association's (AHA) Hospital Annual and Governance Surveys. DATA SOURCES: (1) The 1997 AHA Annual Hospital Survey, (2) the 1997 AHA Hospital Governance Survey, (3) the DDB Needham Market Facts Survey, (4) the 1996 County Election Data File, and (5) the 1998 Area Resource File. RESEARCH DESIGN: The study used a mix of longitudinal and cross-sectional data. KEY FINDINGS: We identified two distinct indicators of social capital-community participation and voting participation. Community accountability in hospitals was unrelated to either indicator. Hospitals' provision of community-oriented health services was negatively associated with community participation but unrelated with voting participation. The interaction between voting participation and community representation on hospital governance was positively associated with community accountability and provision of community-oriented health services. CONCLUSION: Neither community participation nor voting participation was sufficient to influence hospital behavior. The positive finding associated with the interaction between voting participation and community representation on hospital governance underscored the importance of an active political culture in influencing hospital behavior, without which the installation of community representatives on hospital governance might be more symbolic than actually serving the health concerns of community residents.

Catchment Area, Health↗

Hospital choice of rural Medicare beneficiaries: patient, hospital attributes, and the patient-physician relationship.

OBJECTIVE: To examine how patient and hospital attributes and the patient-physician relationship influence hospital choice of rural Medicare beneficiaries. DATA SOURCES: Medicare Current Beneficiary Survey (MCBS), Health Care Financing Administration (HCFA) Provider of Services (POS) file, American Hospital Association (AHA) Annual Survey, and Medicare Hospital Service Area (HSA) files for 1994 and 1995. STUDY DESIGN: The study sample consisted of 1,702 hospitalizations of rural Medicare beneficiaries. McFadden's conditional logit model was used to analyze hospital choices of rural Medicare beneficiaries. The model included independent variables to control for patients' and hospitals' attributes and the distance to hospital alternatives. PRINCIPAL FINDINGS: The empirical results show strong preferences of aged patients for closer hospitals and those of greater scale and service capacity. Patients with complex acute medical conditions and those with more resources were more likely to bypass their closest rural hospitals. Beneficiaries were more likely to bypass their closest rural hospital if they had no regular physician, had a shorter patient-physician tie, were dissatisfied with the availability of health care, and had a longer travel time to their physician's office. CONCLUSIONS: The significant influences of patients' socioeconomic, health, and functional status, their satisfaction with and access to primary care, and their strong preferences for certain hospital attributes should inform federal program initiatives about the likely impacts of policy changes on hospital bypassing behavior.

Aged↗

Prescribing at the hospital-general practice interface. I: Hospital outpatient dispensing policies in England.

OBJECTIVE: To describe the outpatient dispensing policies of major acute hospitals in England. DESIGN: Postal questionnaire survey in November 1990. SETTING: All (278) major acute hospitals in England with more than 250 beds, excluding maternity, paediatric, or psychiatric hospitals; nine hospitals declined. PARTICIPANTS: Hospital chief pharmacists. MAIN OUTCOME MEASURES: Current dispensing policy and exceptions to it; when the policy was formed; and who was involved in its formation. RESULTS: Completed questionnaires were received from 200 (72%) of the hospitals approached. The quantities of drugs dispensed to outpatients ranged from zero in 12 hospitals to unlimited amounts in nine; nearly half (92) dispensed a 14 days' supply of drugs. The greater the restriction on outpatient dispensing, the more recently the policy had been introduced (chi 2 for trend = 7.15; df = 1; p less than 0.01). Permissible exceptions to the policy included the consultant's specific request (134 hospitals), difficulty in obtaining drugs in the community (102), urgent need for start of treatment (49), and certain types of patients (41) or drugs or their regimens (104). Groups who were neither represented on the hospital committee concerned with policy formation nor consulted before policy changes included regional health authorities in 122 hospitals, district health authorities in 101 hospitals, and general practitioners in 32 hospitals. CONCLUSIONS: Outpatient dispensing policies varied considerably among the hospitals surveyed, but they seemed to be moving towards greater restrictions on the supply of drugs given to outpatients.

Drug Prescriptions↗

Influence of the British Columbia reference drug program on hospital formularies: a survey of hospital pharmacy managers.

OBJECTIVES: To assess the impact of the British Columbia Reference Drug (RD) Program on the management of hospital formularies in the province. MATERIALS AND METHODS: A survey of pharmacy managers in British Columbia hospitals with more than 100 beds was conducted in November, 1997. The survey instrument contained questions regarding hospital characteristics, drugs listed on the formulary before and after implementation of RD policies for four drug classes, the hospitals' responses to RD policies and the respondents' opinions of the RD Program. RESULTS: Thirty-two (86%) hospitals returned the survey by the stated deadline. Before the RD Program was implemented, significantly more hospitals listed cimetidine (P=0.03), felodipine (P<0.001), quinapril (P<0.001) and ramipril (P<0.001) on the hospital drug formulary. The main reasons given for changes to hospital drug formularies were community prescribing patterns (25% to 38%) and the RD Program (23% to 44%) depending on the drug category. Twenty-seven (84%) hospitals did not automatically adopt RD policies; 22 (69%) hospitals reviewed the policies at Pharmacy and Therapeutics Committee meetings. Sixteen (50%) respondents thought that hospitals should change their drug formularies to match the policies. Median satisfaction with the RD Program on a 10-point rating scale (1 = unsatisfied, 10 = satisfied) was 7 (range 2 to 10). CONCLUSIONS: Respondents appeared to be neutral when asked their opinion of the RD initiative. The RD policies resulted in drug category-dependent changes in the hospital formulary listings. H2 receptor antagonists and antihypertensives were the most significantly influenced drug categories. RD status does not automatically confer formulary status of a drug; however, it does appear to be a criterion in most hospitals when considering a drug for inclusion in the formulary.

British Columbia↗

Outcome of cardiac arrests in a Portuguese hospital--evaluation of a hospital cardiopulmonar resuscitation program at one year.

OBJECTIVE: Evaluation of a hospital-wide resuscitation program at one year. METHODS: All records of cardiac arrest calls were collected, logged in a database by the same operator, and analyzed. The cardiac arrest teams consist of a physician and a nurse with ALS (Advanced Life Support) training. Each team has a radio that is activated by a single emergency number. Only cardiac arrest calls were analyzed. RESULTS: Between March 1999 and March 2000 there were 173 emergency team calls. Of these, 120 were cardiac arrest calls (90 in-hospital and 30 from the emergency room--out-of-hospital cardiac arrests). Of the 90 in-hospital cardiac arrests, 61% were male, and median age was 73 years. In 90% of the calls, basic life support (BLS) was started before the arrival of the cardiac arrest team. The immediate cause was cardiac in 39% of the patients. Initial rhythm was ventricular fibrillation in 8%, asystole in 60% and other rhythms in 24% of the patients. Thirty percent presented return of spontaneous circulation (ROSC). There were no differences between those in whom BLS was started before the arrival of the cardiac arrest team and those in whom BLS had not been started. Ten patients (11%) were discharged from hospital. Of the 30 out-of-hospital cardiac arrests, 70% were male, and median age was 69 years. In 97% BLS was started before the arrival of the cardiac arrest team. The immediate cause was cardiac in 30% of patients. Initial rhythm was ventricular fibrillation in 10%, asystole in 73% and other rhythms in 17% of the patients. ROSC was achieved in 27% of the patients. Three patients (10%) were discharged from hospital. There were no differences either in ROSC or in survival to hospital discharge between in-hospital and out-of-hospital cardiac arrests. The state of health previous to cardiac arrest was significantly different between in- and out-of-hospital cardiac arrests: 3% versus 32% healthy, with no functional limitation. The authors conclude that: first, the current records do not enable all the desired goals of the "Utstein style" to be achieved and need to be reviewed; second, 90 to 97% of BLS previous to the arrival of the cardiac arrest team is a good indication of the efficiency of the hospital-wide program, which included training in BLS for all the hospital staff; third, the survival rate, although in accordance with much of the literature, could be improved.

Adolescent↗

Impact of nosocomial infections on medical costs, hospital stay, and outcome in hospitalized patients.

BACKGROUND AND PURPOSE: Nosocomial infections have been shown to be associated with increased attributable mortality, length of hospital stay, and health care costs in studies mainly conducted in western populations. However, the health care system in Taiwan differs from the typical situation in western countries, with longer hospitalization times and lower daily costs. The purpose of this study was to understand the economic and clinical impacts of nosocomial infections in Taiwan. METHODS: Between June 1, 2001 and December 31, 2001, every hospitalized patient (age >/= 16 years) with nosocomial infections (case group) and matched control patients without nosocomial infections of the same age, gender, underlying medical illness, clinical diagnosis at admission and disease severity (control group) were recruited. Demographic characteristics, length of hospitalization, costs and final outcomes of both groups were collected for analysis. RESULTS: A total of 482 patient-pairs with median age of 68 years were studied. The median length of hospital stay was 40 days for the case group and 22 days for the control group (p < 0.0001). The median hospital cost for the case group was 363,425 New Taiwan Dollars (NTD) and 165,965 NTD for the control group (p < 0.0001). The median additional hospital stay for patients with nosocomial infection was 15 days, which amounted to 127,354 NTD. The extra hospital costs were not only associated with accommodation but also fees for materials, and costs relating to pharmacy, laboratory tests and diet. Patients with nosocomial infections were more likely to have shock, organ failure and death (all p < 0.0001). Additional hospital stay and costs were not related to various infection sites and bacterial pathogens causing nosocomial infections; however, medical costs attributable to nosocomial fungal infection were higher than that of bacterial infections. CONCLUSIONS: Nosocomial infections have a significant impact on the length of hospital stay and medical care cost. Extra costs of nosocomial infections resulted not only from prolongation of hospital stay, but also other medical costs. Infection control for preventing nosocomial infections may play an important role in reducing medical costs, hospital stay, and mortality in hospitalized patients.

Aged↗

[Profiles and remains of the first hospital in America: the Hospital San Nicolás de Bari, in Santo Domingo, Dominican Republic].

The first hospital services in America were created in the Dominican Republic--formerly known as the Espariola--by a black woman at the beginning of the Conquest. In 1503 fray Nicolá de Ovando, second governor of the Española built what nowadays would be considered a hospital and named it Hospital San Nicolás de Bari (Saint Nicholas Hospital). During the Colony, the poor and sick were cared for following the precepts of the Catholic religion in the San Nicolas de Bari Hospital. In 1586 the hospital was badly damaged due to a pirate's attack. During the XVIII century the hospital cared for ill soldiers and so its name was changed to Hospital Militar (Military Hospital). Between 1795 and 1865 the social and political conditions under which the hospital had to operate made running the hospital a tremendously hard task. Today, the physical ruins of the Hospital San Nicolás de Bari--built in typical Spanish colonial style--with thick fortress like walls and stone floors echoes a place where rustic beds were used to care for patients. The San Nicolás de Bari Hospital operated for over 350 years. It finally disappeared during the second part of the XIX century after undergoing severe financial restrictions and lack of supplies and personnel that in the end hampered its work.

Dominican Republic↗

Who goes to the hospital? An investigation of high users of hospital days.

Hospital morbidity data are useful for administrative purposes, but because Canadian data are based on the number of hospital visits for a given diagnosis rather than the number of patients with the diagnosis, they have historically been ineffective in determining how many people have been hospitalized with a given condition. Now, by linking computerized patient data, the records of the same patient can be combined. Linked records can be used to estimate disease prevalence, examine health care utilization, and evaluate the effectiveness of medical treatments, procedures and programs. Hospital morbidity records for the fiscal year 1989/90 were linked by person to study hospital utilization in New Brunswick and Saskatchewan. Approximately 11% and 12% of their populations, respectively, were admitted to hospital in the study period. The percentage of the population that was hospitalized increased with age from 50 onwards. About one in four hospital patients were admitted to hospital more than once in 1989/90, and approximately 4% were admitted four or more times. Cancer diagnoses were associated with the highest hospital re-admission rates. About half of hospitalized patients spent five days or less in hospital over the period studied. At the other extreme, 10% of patients, referred to as "high users," accounted for about half of the hospital days--but only 1% of the population in these two provinces. Typically, high users are patients with chronic conditions or illnesses severely affecting cognitive or physical abilities. This profile of high users suggests that high medical costs are due not so much to intensive care of terminally ill patients, but to ordinary medical and palliative care of chronically and seriously ill patients. Restructuring health care data so that all of the records for one patient could be linked would help identify problem areas in the health care system and help evaluate new ways of delivering health care.

Adolescent↗

Appropriateness of hospitalization in a Canadian pediatric hospital.

Allocation of limited resources in the Canadian health care system is hampered by a lack of studies addressing the appropriateness of the pediatric patient days in hospital. The authors retrospectively reviewed one hospital day per month in 1988, using a Pediatric Appropriateness Evaluation Protocol previously used in the United States. Of 878 inpatients, 852 charts were reviewed, and 26 charts were unavailable for study. The patients ranged in age from premature newborns to 20 years old. There were 475 medical days, 359 surgical days, and 18 patients to other services. Statistical significance was tested using the chi 2 test for contingency tables. Twenty-four percent of patient days were inappropriate. Younger children and shorter lengths of stay were more likely to result in appropriate hospital days. For infants younger than 60 days, 11% of days in hospital were inappropriate, 21% of days for infants between 2 months and 1 year of age, 25% for children between 1 and 5 years, and 36% for children older than 5 years of age. Children hospitalized 2 days or less had inappropriate hospital days accounting for 16% of the reviewed days. This increased to 33% for 3 to 14 days of hospitalization. Inappropriate hospital days did not vary significantly from month to month. Surgical patients had more appropriate hospital days than medical patients. Admission route (elective, emergency, or transferred from another hospital) did not affect the appropriateness of the subsequent day reviewed. It is concluded that inappropriate hospitalization in a Canadian pediatric hospital occurs only slightly more frequently than in an American pediatric hospital.(ABSTRACT TRUNCATED AT 250 WORDS)

Adolescent↗

Is the corporate transformation of hospitals creating a new hybrid health care space? A case study of the impact of co-location of public and private hospitals in Australia.

A common feature of health reforms in western nations has been the transformation or (re)construction of health and health care as both a commodity and product. In the hospital sector, this transformation has become increasingly evident in the growth of for-profit involvement in service delivery. Investor-owned hospitals are now prominent providers of hospital care in Australia. This paper examines the changing nature of health care space through the changing portrayal and meaning of hospitals as represented by and encoded in the built environment. Public hospitals once occupied 'pride of place'. In contrast, up to the early 1980s, the private sector was seen as a cottage industry. However, increased levels of state subsidisation and government incentives and pro-market policies, combined with market-based opportunities for profit generation, have seen the emergence of large private hospital chains with a new corporate image to hospital care and the blurring of 'public' and 'private'. A significant factor in the reconstruction of hospital space in Australia has been the co-location of private and public hospitals. Co-location is a popular strategy proffered by State governments and one that has been quickly acted on by corporate providers. Using Mayne Health Ltd, Australia's largest for-profit hospital chain, and four specific case studies, this paper explores four variants of co-location. Each of these examples represent a different public and private hospital space. The growth of for-profit hospital chains signifies a new phase in the delivery of health care in Australia but also importantly the creation of a new hybridised 'health care' space. This space is neither private nor public but a reflection of the economic, political and social processes underlying this transformation.

Australia↗