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elixhauser comorbidity index

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https://www.readbyqxmd.com/read/28409741/impact-of-comorbidities-among-medicaid-enrollees-with-chronic-obstructive-pulmonary-disease-united-states-2009
#1
Gloria Westney, Marilyn G Foreman, Junjun Xu, Marshaleen Henriques King, Eric Flenaugh, George Rust
INTRODUCTION: Multimorbidity, the presence of 2 or more chronic conditions, frequently affects people with chronic obstructive pulmonary disease (COPD). Many have high-cost, highly complex conditions that have a substantial impact on state Medicaid programs. We quantified the cost of Medicaid-insured patients with COPD co-diagnosed with other chronic disorders. METHODS: We used nationally representative Medicaid claims data to analyze the impact of comorbidities (other chronic conditions) on the disease burden, emergency department (ED) use, hospitalizations, and total health care costs among 291,978 adult COPD patients...
April 13, 2017: Preventing Chronic Disease
https://www.readbyqxmd.com/read/28363708/trends-and-characteristics-of-hospitalization-for-heart-failure-in-a-population-setting-from-2003-to-2013
#2
María Lucía Fernández Gassó, Lauro Hernando-Arizaleta, Joaquín A Palomar-Rodríguez, Federico Soria-Arcos, Domingo A Pascual-Figal
INTRODUCTION AND OBJECTIVES: Population-based studies in other countries have reported a reduction of standardized rates of hospitalization for heart failure (HF) but data from a well-defined population are lacking in Spain. METHODS: All hospitalizations with a principal diagnosis of HF between 2003 and 2013 were obtained from the Minimum Basic Data Set, which includes all hospitals in the Region of Murcia. Health care episodes were identified by the individual health card (27 158 episodes)...
March 28, 2017: Revista Española de Cardiología
https://www.readbyqxmd.com/read/28361804/risk-adjusted-mortality-after-hip-replacement-surgery-a-retrospective-study
#3
Gabriele Messina, Silvia Forni, Daniele Rosadini, Manuele Falcone, Francesca Collini, Nicola Nante
INTRODUCTION: Hip replacement (HR) operations are increasing. Short term mortality is an indicator of quality; few studies include risk adjustment models to predict HR outcomes. We evaluated in-hospital and 30-day mortality in hospitalized patients for HR and compared the performance of two risk adjustment algorithms. MATERIALS AND METHODS: A retrospective cohort study on hospital discharge records of patients undergoing HR from 2000 to 2005 in Tuscany Region, Italy, applied All-Patient Refined Diagnosis Related Groups (APR-DRG) and Elixhauser Index (EI) risk adjustment models to predict outcomes...
January 2017: Annali Dell'Istituto Superiore di Sanità
https://www.readbyqxmd.com/read/28350807/external-validation-and-comparison-of-two-variants-of-the-elixhauser-comorbidity-measures-for-all-cause-mortality
#4
Yannick Fortin, James A G Crispo, Deborah Cohen, Douglas S McNair, Donald R Mattison, Daniel Krewski
Assessing prevalent comorbidities is a common approach in health research for identifying clinical differences between individuals. The objective of this study was to validate and compare the predictive performance of two variants of the Elixhauser comorbidity measures (ECM) for inhospital mortality at index and at 1-year in the Cerner Health Facts® (HF) U.S. DATABASE: We estimated the prevalence of select comorbidities for individuals 18 to 89 years of age who received care at Cerner contributing health facilities between 2002 and 2011 using the AHRQ (version 3...
2017: PloS One
https://www.readbyqxmd.com/read/28339644/development-and-validation-of-a-structured-query-language-implementation-of-the-elixhauser-comorbidity-index
#5
Richard H Epstein, Franklin Dexter
Objective: Comorbidity adjustment is often performed during outcomes and health care resource utilization research. Our goal was to develop an efficient algorithm in structured query language (SQL) to determine the Elixhauser comorbidity index. Materials and Methods: We wrote an SQL algorithm to calculate the Elixhauser comorbidities from Diagnosis Related Group and International Classification of Diseases (ICD) codes. Validation was by comparison to expected comorbidities from combinations of these codes and to the 2013 Nationwide Readmissions Database (NRD)...
February 16, 2017: Journal of the American Medical Informatics Association: JAMIA
https://www.readbyqxmd.com/read/28263920/healthcare-costs-and-utilization-for-patients-age-50-to-64-years-with-acute-myeloid-leukemia-treated-with-chemotherapy-or-with-chemotherapy-and-allogeneic-hematopoietic-cell-transplantation
#6
Jaime M Preussler, Christa L Meyer, Lih-Wen Mau, Navneet S Majhail, Ellen Denzen, Kristen C Edsall, Stephanie H Farnia, Wael Saber, Linda J Burns, David J Vanness
The primary aim of this study was to describe healthcare costs and utilization during the first year after a diagnosis of acute myeloid leukemia (AML) for privately insured non-Medicare patients in the United States aged 50 to 64 years who were treated with either chemotherapy or chemotherapy and allogeneic hematopoietic cell transplantation (alloHCT). MarketScan (Truven Health Analytics) adjudicated total payments for inpatient, outpatient, and prescription drug claims from 2007 to 2011 were used to estimate costs from the health system perspective...
March 2, 2017: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/28222520/interactive-effects-of-dementia-severity-and-comorbidities-on-medicare-expenditures
#7
Carolyn W Zhu, Stephanie Cosentino, Katherine A Ornstein, Yian Gu, Howard Andrews, Yaakov Stern
BACKGROUND: Few studies have examined how dementia and comorbidities may interact to affect healthcare expenditures. OBJECTIVE: To examine whether effects of dementia severity on Medicare expenditures differed for individuals with different levels of comorbidities. METHODS: Data are drawn from the Washington Heights-Inwood Columbia Aging Project (WHICAP). Comprehensive clinical assessments of dementia severity were systematically carried out at ∼18 month intervals...
2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/28214483/systemic-thrombolysis-increases-hemorrhagic-stroke-risk-without-survival-benefit-compared-with-catheter-directed-intervention-for-the-treatment-of-acute-pulmonary-embolism
#8
Nathan L Liang, Efthymios D Avgerinos, Michael J Singh, Michel S Makaroun, Rabih A Chaer
BACKGROUND: Systemic thrombolysis (ST) and catheter-directed intervention (CDI) are both used in the treatment of acute pulmonary embolism (PE), but the comparative outcomes of these two therapies remain unclear. The objective of this study was to compare short-term mortality and safety outcomes between the two treatments using a large national database. METHODS: Patients presenting with acute PE were identified in the National Inpatient Sample (NIS) from 2009 to 2012...
March 2017: Journal of Vascular Surgery. Venous and Lymphatic Disorders
https://www.readbyqxmd.com/read/28187963/a-modified-elixhauser-score-for-predicting-in-hospital-mortality-in-internal-medicine-admissions
#9
Fabio Fabbian, Alfredo De Giorgi, Elisa Maietti, Massimo Gallerani, Marco Pala, Rosaria Cappadona, Roberto Manfredini, Ugo Fedeli
BACKGROUND: In-hospital mortality (IHM) is an indicator of the quality of care provided. The two most widely used scores for predicting IHM by International Classification of Diseases (ICD) codes are the Elixhauser (EI) and the Charlson Comorbidity indexes. Our aim was to obtain new measures based on internal medicine ICD codes for the original EI, to detect risk for IHM. MATERIAL AND METHODS: This single-center retrospective study included hospital admissions for any cause in the department of internal medicine between January 1, 2000, and December 31, 2013, recorded in the hospital database...
February 8, 2017: European Journal of Internal Medicine
https://www.readbyqxmd.com/read/28131190/comorbid-conditions-associated-with-parkinson-s-disease-a-longitudinal-and-comparative-study-with-alzheimer-disease-and-control-subjects
#10
D Santos García, E Suárez Castro, I Expósito, T de Deus, C Tuñas, A Aneiros, M López Fernández, D Núñez Arias, M Bermúdez Torres
BACKGROUND AND OBJECTIVE: To study what comorbid conditions were present at baseline and 3years later in a cohort of Spanish Parkinson's disease (PD) patients, to compare comorbidity with both Alzheimer's disease (AD) and control groups and to analyze the role of comorbidity as predictor of mortality. METHODS: One hundred and forty-seven non-demented PD patients (57.1% males; 70.9±8.6years old) were included in this 36months follow-up (2012-2015), monocenter, evaluation study...
February 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/28118530/current-risk-adjustment-and-comorbidity-index-underperforms-in-predicting-post-acute-utilization-and-hospital-readmissions-after-joint-replacements-implications-for-comprehensive-care-for-joint-replacement-model
#11
Amit Kumar, Amol Karmarkar, Brian Downer, Amit Vashist, Deepak Adhikari, Soham Al Snih, Kenneth Ottenbacher
OBJECTIVE: Compare the performances of comorbidity indices: Charlson, Elixhauser, and the Centers for Medicare & Medicaid Services (CMS) risk adjustment model Hierarchical Condition Category (HCC), in predicting post-acute discharge settings and hospital readmission for patients after joint replacement. METHODS: Retrospective study of Medicare beneficiaries with total knee replacement (TKR) or total hip replacement (THR) discharged from hospitals in 2009-2011 (N=607,349)...
January 24, 2017: Arthritis Care & Research
https://www.readbyqxmd.com/read/28061757/comparison-of-risk-adjustment-methods-in-patients-with-liver-disease-using-electronic-medical-record-data
#12
COMPARATIVE STUDY
Yuan Xu, Ning Li, Mingshan Lu, Elijah Dixon, Robert P Myers, Rachel J Jolley, Hude Quan
BACKGROUND: Risk adjustment is essential for valid comparison of patients' health outcomes or performances of health care providers. Several risk adjustment methods for liver diseases are commonly used but the optimal approach is unknown. This study aimed to compare the common risk adjustment methods for predicting in-hospital mortality in cirrhosis patients using electronic medical record (EMR) data. METHODS: The sample was derived from Beijing YouAn hospital between 2010 and 2014...
January 7, 2017: BMC Gastroenterology
https://www.readbyqxmd.com/read/28034845/thirty-day-readmissions-after-transcatheter-aortic-valve-replacement-in-the-united-states-insights-from-the-nationwide-readmissions-database
#13
Dhaval Kolte, Sahil Khera, M Rizwan Sardar, Neil Gheewala, Tanush Gupta, Saurav Chatterjee, Andrew Goldsweig, Wilbert S Aronow, Gregg C Fonarow, Deepak L Bhatt, Adam B Greenbaum, Paul C Gordon, Barry Sharaf, J Dawn Abbott
BACKGROUND: Readmissions after cardiac procedures are common and contribute to increased healthcare utilization and costs. Data on 30-day readmissions after transcatheter aortic valve replacement (TAVR) are limited. METHODS AND RESULTS: Patients undergoing TAVR (International Classification of Diseases-Ninth Revision-CM codes 35.05 and 35.06) between January and November 2013 who survived the index hospitalization were identified in the Nationwide Readmissions Database...
January 2017: Circulation. Cardiovascular Interventions
https://www.readbyqxmd.com/read/27924653/healthcare-resource-use-comorbidity-treatment-and-clinical-outcomes-for-patients-with-primary-intracranial-tumors-a-swedish-population-based-register-study
#14
Jenny Bergqvist, Hanna Iderberg, Johan Mesterton, Nils Bengtsson, Björn Wettermark, Roger Henriksson
BACKGROUND: Primary intracranial tumors are relatively uncommon and heterogeneous, which make them challenging to study. We coupled data from unique Swedish population-based registries in order to deeper analyze the most common intracranical tumor types. Patient characteristics (e.g. comorbidities), care process measures like adherence to national guidelines, healthcare resource use and clinical outcome was evaluated. MATERIALS AND METHODS: A register-based study including several population-based registries for all patients living in Stockholm-Gotland, diagnosed with primary intracranial tumor between 2001 and 2013 was performed...
March 2017: Acta Oncologica
https://www.readbyqxmd.com/read/27876006/predictors-of-in-hospital-mortality-following-major-lower-extremity-amputations-in-type-2-diabetic-patients-using-artificial-neural-networks
#15
Ana Lopez-de-Andres, Valentin Hernandez-Barrera, Roberto Lopez, Pablo Martin-Junco, Isabel Jimenez-Trujillo, Alejandro Alvaro-Meca, Miguel Angel Salinero-Fort, Rodrigo Jimenez-Garcia
BACKGROUND: Outcome prediction is important in the clinical decision-making process. Artificial neural networks (ANN) have been used to predict the risk of post-operative events, including survival, and are increasingly being used in complex medical decision making. We aimed to use ANN analysis to estimate predictive factors of in-hospital mortality (IHM) in patients with type 2 diabetes (T2DM) after major lower extremity amputation (LEA) in Spain. METHODS: We design a retrospective, observational study using ANN models...
November 22, 2016: BMC Medical Research Methodology
https://www.readbyqxmd.com/read/27816369/in-hospital-mortality-in-patients-with-periprosthetic-joint-infection
#16
Alisina Shahi, Timothy L Tan, Antonia F Chen, Mitchell G Maltenfort, Javad Parvizi
BACKGROUND: While periprosthetic joint infection (PJI) has a huge impact on patient function and health, only a few studies have investigated its impact on mortality. The purpose of this large-scale study was to (1) determine the rate and trends of in-hospital mortality for PJI and (2) compare the in-hospital mortality rate of patients with PJI and those undergoing revision arthroplasty for aseptic failure and patients undergoing other nonorthopedic major surgical procedures. METHODS: Data from the Nationwide Inpatient Sample from 2002 to 2010 were analyzed to determine the risk of in-hospital mortality for PJI patients compared with aseptic revision arthroplasty...
September 30, 2016: Journal of Arthroplasty
https://www.readbyqxmd.com/read/27784168/hospital-based-analysis-of-trends-and-outcomes-for-patients-undergoing-pyelolithotomy
#17
Charles U Nottingham, Andrew J Cohen, Vignesh T Packiam, Joseph J Pariser, Glenn S Gerber
OBJECTIVE: To determine trends in pyelolithotomy, evaluate risk factors for complications, and evaluate the difference in outcomes and charges between open and minimally invasive (MI) techniques. PATIENTS AND METHODS: We used the Nationwide Inpatient Sample to identify patients with a diagnosis of having nephrolithiasis undergoing pyelolithotomy from 2008 to 2012. Total charges were inflation-adjusted to U.S. dollars in 2012. Patient demographics, hospital characteristics, and outcomes were reported and compared between open and MI groups after survey weighting...
January 2017: Journal of Endourology
https://www.readbyqxmd.com/read/27692801/risk-of-prolonged-opioid-use-among-opioid-na%C3%A3-ve-patients-following-common-hand-surgery-procedures
#18
Shepard P Johnson, Kevin C Chung, Lin Zhong, Melissa J Shauver, Michael J Engelsbe, Chad Brummett, Jennifer F Waljee
PURPOSE: To evaluate prolonged opioid use in opioid-naïve patients after common hand surgery procedures in the United States. METHODS: We studied insurance claims from the Truven MarketScan databases to identify opioid-naïve adult patients (no opioid exposure 11 months before the perioperative period) who underwent an elective (carpal tunnel release, carpometacarpal arthroplasty/arthrodesis, cubital tunnel release, or trigger finger release) or trauma-related (closed distal radius fracture fixation, flexor tendon repair, metacarpal fracture fixation, or phalangeal fracture fixation) hand surgery procedure between 2010 and 2012 (N = 77,573 patients)...
September 7, 2016: Journal of Hand Surgery
https://www.readbyqxmd.com/read/27492451/comorbidity-indices-versus-function-as-potential-predictors-of-30-day-readmission-in-older-patients-following-postacute-rehabilitation
#19
Amit Kumar, Amol M Karmarkar, James E Graham, Linda Resnik, Alai Tan, Anne Deutsch, Kenneth J Ottenbacher
BACKGROUND: Information regarding the association of comorbidity indices with readmission risk for older adults receiving postacute care is limited. The purpose of this study was to compare the discriminatory ability of five comorbidity indices in predicting 30-day all-cause hospital readmission following discharge to the community from postacute inpatient rehabilitation facilities (IRF). METHODS: The sample included Medicare fee-for-service beneficiaries with stroke, lower extremity joint replacement, and fracture, discharged from IRF in 2011 (N = 75,582)...
February 2017: Journals of Gerontology. Series A, Biological Sciences and Medical Sciences
https://www.readbyqxmd.com/read/27424470/duration-of-postoperative-atrial-fibrillation-after-cardiac-surgery-is-associated-with-worsened-long-term-survival
#20
Martin I Sigurdsson, Nicholas T Longford, Mahyar Heydarpour, Louis Saddic, Tzuu-Wang Chang, Amanda A Fox, Charles D Collard, Sary Aranki, Prem Shekar, Stanton K Shernan, Jochen D Muehlschlegel, Simon C Body
BACKGROUND: Studies of the effects of postoperative atrial fibrillation (poAF) on long-term survival are conflicting, likely because of comorbidities that occur with poAF and the patient populations studied. Furthermore, the effects of poAF duration on long-term survival are poorly understood. METHODS: We utilized a prospectively collected database on outcomes of cardiac surgery at a large tertiary care institution between August 2001 and December 2010 with survival follow-up through June 2015 to analyze long-term survival of patients with poAF...
December 2016: Annals of Thoracic Surgery
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