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Principal Diagnosis (principal + diagnosis)
Selected AbstractsHospitalizations of infants and young children with Down syndrome: evidence from inpatient person-records from a statewide administrative databaseJOURNAL OF INTELLECTUAL DISABILITY RESEARCH, Issue 12 2007S. A. So Abstract Background Although individuals with Down syndrome are increasingly living into the adult years, infants and young children with the syndrome continue to be at increased risk for health problems. Using linked, statewide administrative hospital discharge records of all infants with Down syndrome born over a 3-year period, this study ,follows forward' over 200 infants with Down syndrome from each individual's birth until they turn 3 years of age. By utilizing this procedure, we were able to assess the amount, reasons for, and timing of inpatient hospitalization and to investigate how congenital heart defects (CHDs) relate to hospitalization for young children with Down syndrome. Method This population-based, retrospective study used statewide administrative hospital discharge data. Subject inclusion criteria included residents of Tennessee, born between 1997 and 1999, and diagnosed with Down syndrome at birth. Inpatient records were linked to create person-record histories of hospitalization from birth to age 3. Main outcomes included the number of Non-birth Hospitalizations, length of stay, principal and other diagnosis codes to indicate reason(s) for hospitalization, and patient's age at first (non-birth) hospitalization. Procedure codes were added to determine if children with CHD were hospitalized primarily for operations on the heart. Results Of 217 births, 213 children survived birth; 54% (115) had CHDs. Almost half (49.8%) of all children were hospitalized before age 3; these 106 children were admitted 245 times. Children with CHDs were 2.31 times more likely to be hospitalized than children without CHDs. Respiratory illnesses affected 64.9% of all hospitalized children with CHD, were the principal diagnoses in 38.3% of their hospitalizations, and were the main principal diagnoses for non-CHD children. Thirty-three (of 77) hospitalized children with CHD underwent cardiac surgeries, accounting for 19.3% of all admissions. Median time to first hospitalization was 96 days (CI: 78,114) for CHD infants, 197 days (CI: 46,347) for non-CHD infants. Conclusions Children with Down syndrome are at high risk for early hospitalization. Prevention and treatment of respiratory illnesses require more attention. Down syndrome is associated with early, serious, physical health problems and substantial inpatient care use. [source] Public hospital admissions for treating complications of clinical care: incidence, costs and funding strategyAUSTRALIAN AND NEW ZEALAND JOURNAL OF PUBLIC HEALTH, Issue 3 2010Peter McNair Abstract Objective: To quantify the frequency of, and the costs and payments associated with, admissions for treatment of injuries and illnesses that are consequences of care. Data sources: Routinely-coded 2005/06 public hospital inpatient data from Victoria, Australia (1.25 million admissions) and corresponding patient-level cost data (1.04 million admissions). Payments reflected DRG-based prospective rates. Study design: Retrospective analysis of admissions with principal diagnoses that specify adverse events arising as a direct consequence of healthcare. Results: 1.5% (15,336) of the costed admissions specifically treat an injury or illness arising from medical or surgical care, consuming 2.74% of hospital prospective payments and representing $89.3 m (2.84%) of total reported costs. 1.4% (17,429) of all public hospital admissions and 2.82% of hospital prospective payments (estimated cost-$101.5 m per year) are committed to treating complications of care. Private residences or aged care facilities are the source of 84.9% (14,804) of these admissions. Inpatient death was the outcome in 0.7% (118) of these admissions. Implications: Admissions for treating complications of care represent a small, relatively expensive, proportion of hospital admissions, which account for disproportionate levels of hospital costs and funding. A policy option providing incentives to reduce the incidence and costs of complications arising from care includes allocating all costs arising from transferred (re)admissions back to the original episode of care and developing a suite of specific DRGs to fund admissions for treatment of complications. [source] Frequency and clinical correlates of adult separation anxiety in a sample of 508 outpatients with mood and anxiety disordersACTA PSYCHIATRICA SCANDINAVICA, Issue 1 2010S. Pini Pini S, Abelli M, Shear KM, Cardini A, Lari L, Gesi C, Muti M, Calugi S, Galderisi S, Troisi A, Bertolino A, Cassano GB. Frequency and clinical correlates of adult separation anxiety in a sample of 508 outpatients with mood and anxiety disorders. Objective:, To evaluate the frequency and clinical correlates of adult separation anxiety disorder in a large cohort of patients with mood and anxiety disorders. Method:, Overall, 508 outpatients with anxiety and mood disorders were assessed by the structured clinical interview for diagnostic and statistical manual (IV edition) axis I disorders for principal diagnosis and comorbidity and by other appropriate instruments for separation anxiety into adulthood or childhood. Results:, Overall, 105 subjects (20.7%) were assessed as having adult separation anxiety disorder without a history of childhood separation anxiety and 110 (21.7%) had adult separation anxiety disorder with a history of childhood separation anxiety. Adult separation anxiety was associated with severe role impairment in work and social relationships after controlling for potential confounding effect of anxiety comorbidity. Conclusion:, Adult separation anxiety disorder is likely to be much more common in adults than previously recognized. Research is needed to better understand the relationships of this condition with other co-occurring affective disorders. [source] Short- and Long-Term Mortality after an Acute Illness for Elderly Whites and BlacksHEALTH SERVICES RESEARCH, Issue 4 2008Daniel Polsky Objective. To estimate racial differences in mortality at 30 days and up to 2 years following a hospital admission for the elderly with common medical conditions. Data Sources. The Medicare Provider Analysis and Review File and the VA Patient Treatment File from 1998 to 2002 were used to extract patients 65 or older admitted with a principal diagnosis of acute myocardial infarction, stroke, hip fracture, gastrointestinal bleeding, congestive heart failure, or pneumonia. Study Design. A retrospective analysis of risk-adjusted mortality after hospital admission for blacks and whites by medical condition and in different hospital settings. Principal Findings. Black Medicare patients had consistently lower adjusted 30-day mortality than white Medicare patients, but the initial survival advantage observed among blacks dissipated beyond 30 days and reversed by 2 years. For VA hospitalizations similar patterns were observed, but the initial survival advantage for blacks dissipated at a slower rate. Conclusions. Racial disparities in health are more likely to be generated in the posthospital phase of the process of care delivery rather than during the hospital stay. The slower rate of increase in relative mortality among black VA patients suggests an integrated health care delivery system like the VA may attenuate racial disparities in health. [source] Trends and Outcomes in the Hospitalization of Older Americans for Cardiac Conduction Disorders or Arrhythmias, 1991,1998JOURNAL OF AMERICAN GERIATRICS SOCIETY, Issue 6 2001William B. Baine MD OBJECTIVE: To identify epidemiological trends and measure outcomes in elderly patients hospitalized for cardiac conduction disorders or arrhythmias. DESIGN: Review of the standard 5% samples of the Medicare Provider Analysis and Review Files to characterize 144,512 discharges from 1991 through 1998 in which the principal diagnosis was a conduction disorder or arrhythmia, using the corresponding Enrollment Databases for denominator data. SETTING: Short-stay hospitals in the United States. PARTICIPANTS: Medicare beneficiaries age 65 and older in the standard 5% sample. MEASUREMENTS: Diagnosis-specific trends and rates; discharges by year; cumulative age-, race-, and sex-specific discharge rates; mean length of stay in hospital and in intensive care; mean Medicare reimbursement to the hospital; case-fatality rate in hospital; discharge destinations of patients discharged alive. RESULTS: Annual hospitalizations for sinoatrial node dysfunction, atrial flutter, atrial fibrillation, or ventricular fibrillation increased more rapidly than did the elderly Medicare beneficiary population. Hospitalizations with a principal diagnosis of ventricular extrasystoles or asystole showed steep secular declines. Discharge rates for sinoatrial node dysfunction, a group of rhythms with a nonsinus pacemaker, atrial fibrillation, Mobitz I, or complete atrioventricular block all increased steeply and continuously with patient age. In contrast, discharge rates for atrial flutter or ventricular tachycardia or fibrillation peaked among 75- to 84-year-old patients. White men were at uniquely high risk of hospitalization for atrial flutter or ventricular tachycardia or fibrillation, and, among the white majority, men had higher discharge rates than women for nine of the 11 commonest rubrics. Whites, particularly white women, had the highest discharge rates for atrial fibrillation. Blacks, especially black women, were at disproportionate risk for hospitalization for the group of nonsinus pacemaker rhythms. Diagnosis-specific mean resource costs were strongly correlated with each other and with mean Medicare reimbursement but not with case-fatality rate. CONCLUSION: Medicare claims data demonstrated striking differences among and within diagnoses of heart blocks or arrhythmias in terms of the populations at greatest risk for hospitalization. This variation should be explored further to generate and test hypotheses about differential causation or delivery of care. J Am Geriatr Soc 49:763,770, 2001. [source] The performance of US hospitals as reflected in risk-standardized 30-day mortality and readmission rates for medicare beneficiaries with pneumonia,,JOURNAL OF HOSPITAL MEDICINE, Issue 6 2010Peter K. Lindenauer MD MSc Abstract BACKGROUND: Pneumonia is a leading cause of hospitalization and death in the elderly, and remains the subject of both local and national quality improvement efforts. OBJECTIVE: To describe patterns of hospital and regional performance in the outcomes of elderly patients with pneumonia. DESIGN: Cross-sectional study using hospital and outpatient Medicare claims between 2006 and 2009. SETTING: A total of 4,813 nonfederal acute care hospitals in the United States and its organized territories. PATIENTS: Hospitalized fee-for-service Medicare beneficiaries age 65 years and older who received a principal diagnosis of pneumonia. INTERVENTION: None. MEASUREMENTS: Hospital and regional level risk-standardized 30-day mortality and readmission rates. RESULTS: Of the 1,118,583 patients included in the mortality analysis 129,444 (11.6%) died within 30 days of hospital admission. The median (Q1, Q3) hospital 30-day risk-standardized mortality rate for patients with pneumonia was 11.1% (10.0%, 12.3%), and despite controlling for differences in case mix, ranged from 6.7% to 20.9%. Among the 1,161,817 patients included in the readmission analysis 212,638 (18.3%) were readmitted within 30 days of hospital discharge. The median (Q1, Q3) 30-day risk-standardized readmission rate was 18.2% (17.2%, 19.2%) and ranged from 13.6% to 26.7%. Risk-standardized mortality rates varied across hospital referral regions from a high of 14.9% to a low of 8.7%. Risk-standardized readmission rates varied across hospital referral regions from a high of 22.2% to a low of 15%. CONCLUSIONS: Risk-standardized 30-day mortality and, to a lesser extent, readmission rates for patients with pneumonia vary substantially across hospitals and regions and may present opportunities for quality improvement, especially at low performing institutions and areas. Journal of Hospital Medicine 2010. © 2010 Society of Hospital Medicine. [source] The Relationship Between the Emergent Primary Percutaneous Coronary Intervention Quality Measure and Inpatient Myocardial Infarction MortalityACADEMIC EMERGENCY MEDICINE, Issue 8 2010Rahul K. Khare MD ACADEMIC EMERGENCY MEDICINE 2010; 17:793,800 © 2010 by the Society for Academic Emergency Medicine Abstract Background:, In the setting of acute ST-segment elevation myocardial infarction (STEMI), reperfusion therapy with emergent primary percutaneous coronary intervention (PCI) significantly reduces mortality. It is unknown whether a hospital's performance on the Centers for Medicare & Medicaid Services (CMS) quality metric for time from patient arrival to angioplasty is associated with its overall hospital acute myocardial infarction (AMI) mortality rate. Objectives:, The objective of this study was to evaluate if hospitals with higher performance on the time-to-PCI quality measure are more likely to achieve lower mortality for patients admitted for any type of AMI. Methods:, Using merged 2006 data from the Nationwide Inpatient Sample (NIS), the American Hospital Association (AHA) annual survey, and CMS Hospital Compare quality indicator data, we examined 69,101 admissions with an International Classification of Diseases, Ninth Revision (ICD-9)-coded principal diagnosis of AMI in the 116 hospitals that reported more than 24 emergent primary PCI admissions in that year. Hospitals were categorized into quartiles according to percentage of admissions in 2006 that achieved the primary PCI timeliness threshold (time-to-PCI quality measure). Using a random effects logistic regression model of inpatient mortality, we examined the significance of the hospital time-to-PCI quality measure after adjustment for other hospital and individual patient sociodemographic and clinical characteristics. Results:, The unadjusted inpatient AMI mortality rate at the 27 top quartile hospitals was 4.3%, compared to 5.1% at the 32 bottom quartile (worst performing) hospitals. The risk-adjusted odds ratio (OR) of inpatient death was 0.83 (95% confidence interval [CI] = 0.72 to 0.95), or 17% lower odds of inpatient death, among patients admitted to hospitals in the top quartile for the time-to-PCI quality measure compared to the case if the hospitals were in the bottom 25th percentile. Conclusions:, Hospitals with the highest and second highest quartiles of time-to-PCI quality measure had a significantly lower overall AMI mortality rate than the lowest quartile hospitals. Despite the fact that a minority of all patients with AMI get an emergent primary PCI, hospitals that perform this more efficiently also had a significantly lower mortality rate for all their patients admitted with AMI. The time-to-PCI quality measure in 2006 was a potentially important proxy measure for overall AMI quality of care. [source] A validation study: how effective is the Hospital Morbidity Data as a surveillance tool for heart failure in Western Australia?AUSTRALIAN AND NEW ZEALAND JOURNAL OF PUBLIC HEALTH, Issue 5 2008Tiew-Hwa Katherine Teng Abstract Objective: To determine the accuracy of the hospital discharge coding of heart failure (HF) in the Western Australian (WA) Hospital Morbidity Data (HMD). Methods: A retrospective medical chart review of a sample of 1,006 patients with a principal diagnosis code indicating HF in the WA HMD was undertaken. Validation was reported against a written diagnosis of HF in the medical chart and using Boston criteria score as a gold standard. Results: The positive predictive value (PPV) of the HMD coding of HF as the principal diagnosis was 99.5% when compared to the medical chart diagnosis and 92.4% when compared to the Boston score criteria for ,definite' HF and 98.8% for a combined ,possible' and ,definite' HF Boston score. Conclusions: With the high predictive accuracy, the WA HMD can be used with confidence to monitor trends in the epidemiology of in-hospital HF patients. [source] Estimating the costs of drug-related hospital separations in AustraliaAUSTRALIAN AND NEW ZEALAND JOURNAL OF PUBLIC HEALTH, Issue 2 2008Steven Riddell Abstract Objective: To estimate the total hospital costs of drug-related separations in Australia from 1999/2000 to 2004/05, and separate costs for the following illicit drug classes: opioids, amphetamine, cannabis and cocaine. Methods: Australian hospital separations between 1999/2000 to 2004/05 from the National Hospital Morbidity Dataset (NHMD) with a principal diagnosis of opioids, amphetamine, cannabis or cocaine were included, as were indirect estimates of additional ,drug-caused' separations using aetiological fractions. The costs were estimated using the year-specific case weights and costs for each respective Diagnostic Related Group (DRG). Results: Total constant costs decreased from $50.8 million in 1999/2000 to $43.8 million in 2002/03 then increased to $46.7 million in 2004/05. The initial decrease was driven by a decline in numbers of opioid-related separations (with costs decreasing by $11.5 million) between 1999/2000 and 2001/02. Decreases were evident in separations within the opioid use, dependence and poisoning DRGs. Increases in costs were observed between 1999/00 and 2004/05 for amphetamine (an increase of $2.4 million), cannabis ($1.8 million) and cocaine ($330,000) related separations. Several uncommon but very expensive drug-related separations constituted 12.7% of the total drug-related separations. Conclusions and Implications: Overall, the costs of drug-related hospital separations have decreased by $4.1 million between 1999 and 2005, which is primarily attributable to fewer opioid-related separations. Small reductions in the number of costly separations through harm reduction strategies have the potential to significantly reduce drug-related hospital costs. [source] CONGESTIVE CARDIAC FAILURE: URBAN AND RURAL PERSPECTIVES IN VICTORIAAUSTRALIAN JOURNAL OF RURAL HEALTH, Issue 6 2003Mohammad Z. Ansari ABSTRACT Objective:,Effective and timely care for congestive cardiac failure (CCF) should reduce the risks of hospitalisation. The purpose of this study is to describe variations in rates of hospital admissions for CCF in Victoria as an indicator of the adequacy of primary care services. Detailed analyses identify trends in hospitalisations, urban/rural differentials and variations by the Primary Care Partnerships (PCP). Setting:,Acute care hospitals in Victoria. Design:,Routine analyses of age and sex standardised admission rates of CCF in Victoria using the Victorian Admitted Episodes Dataset from 1993,1994 to 2000,2001. Subjects:,All patients admitted to acute care hospitals in Victoria with the principal diagnosis of CCF between 1993,1994 and 2000,2001. Results:,There were 8359 admissions for CCF in Victoria with an average of 7.37 bed days in 2000,2001. There was a significantly higher admission rate for CCF in rural areas compared to metropolitan in 2000/2001 ,(2.53/1000 (2.44,2.62) and 1.80/1000 (1.75,1.85)) , respectively. Small area analyses identified 17 PCP (14 of which were rural) with significantly higher admission rate ratios of CCF compared to Victoria. Conclusion:,Small area analyses of CCF have identified significant gaps in the management of CCF in the community. This may be a reflection of deficit in primary care availability, accessibility, or appropriateness. Detailed studies may be needed to determine the relative importance of these factors in Victoria for targeting specific interventions at the PCP level. What does this study add?:,Congestive cardiac failure is a major public health problem. In Australia, there is a lack of studies identifying long-term hospitalisation trends of CCF, as well as small area analyses, especially in regard to rural and urban variations. This study has identified significant variations over an eight year period in admission rates of CCF in rural and urban Victoria. Small area analyses (e.g. at the level of primary care partnerships) have identified rural communities with significantly higher admission rates of CCF compared to the Victorian average. For the first time in Australia, this study has provided a new approach for generating evidence on quality of primary care services in rural and urban areas, and offers opportunities for targeting public health and health services interventions that can decrease access barriers, improve the adequacy of primary care, and reduce demand on the hospital system in Victoria. [source] | ||||||||||