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elixhauser comorbidity index

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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
#1
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
#2
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
#3
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
#4
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
#5
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
#6
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
#7
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...
December 7, 2016: 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
#8
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
#9
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
#10
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
#11
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
#12
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
#13
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
https://www.readbyqxmd.com/read/27424092/functional-status-outperforms-comorbidities-as-a-predictor-of-30-day-acute-care-readmissions-in-the-inpatient-rehabilitation-population
#14
Shirley L Shih, Ross Zafonte, David W Bates, Paul Gerrard, Richard Goldstein, Jacqueline Mix, Paulette Niewczyk, S Ryan Greysen, Lewis Kazis, Colleen M Ryan, Jeffrey C Schneider
OBJECTIVES: Functional status is associated with patient outcomes, but is rarely included in hospital readmission risk models. The objective of this study was to determine whether functional status is a better predictor of 30-day acute care readmission than traditionally investigated variables including demographics and comorbidities. DESIGN: Retrospective database analysis between 2002 and 2011. SETTING: 1158 US inpatient rehabilitation facilities...
October 1, 2016: Journal of the American Medical Directors Association
https://www.readbyqxmd.com/read/27402394/the-association-of-age-with-short-term-and-long-term-mortality-in-adults-admitted-to-the-intensive-care-unit
#15
Raghu R Seethala, Kevin Blackney, Peter Hou, Haytham M A Kaafarani, Daniel Dante Yeh, Imoigele Aisiku, Christopher Tainter, Marc deMoya, David King, Jarone Lee
BACKGROUND: Based on the current literature, it is unclear whether advanced age itself leads to higher mortality in critically ill patients or whether it is due to the greater number of comorbidities in the elderly patients. We hypothesized that increasing age would increase the odds of short-term and long-term mortality after adjusting for baseline comorbidities in intensive care unit (ICU) patients. METHODS: We performed a retrospective cohort study of 57 160 adults admitted to any ICU over 5 years at 2 academic tertiary care centers...
July 11, 2016: Journal of Intensive Care Medicine
https://www.readbyqxmd.com/read/27257680/measures-of-global-health-status-on-dialysis-signal-early-rehospitalization-risk-after-kidney-transplantation
#16
Meera N Harhay, Alexander S Hill, Wei Wang, Orit Even-Shoshan, Adam S Mussell, Roy D Bloom, Harold I Feldman, Jason H Karlawish, Jeffrey H Silber, Peter P Reese
BACKGROUND: Early rehospitalization (<30 days) after discharge from kidney transplantation (KT) is associated with poor outcomes. We explored summary metrics of pre-transplant health status that may improve the identification of KT recipients at risk for early rehospitalization and mortality after transplant. MATERIALS AND METHODS: We performed a retrospective cohort study of 8,870 adult (≥ 18 years) patients on hemodialysis who received KT between 2000 and 2010 at United States transplant centers...
2016: PloS One
https://www.readbyqxmd.com/read/27161849/variation-in-30-day-readmission-rates-among-medically-complex%C3%A2-patients-at-inpatient-rehabilitation-facilities-and-contributing%C3%A2-factors
#17
Lindsay Ramey, Richard Goldstein, Ross Zafonte, Colleen Ryan, Lewis Kazis, Jeffrey Schneider
OBJECTIVE: Few studies have focused on 30-day readmission rates in inpatient rehabilitation facilities (IRFs) and factors that contribute to this. The purpose of this study was to examine the variation in 30-day readmission rates among medically complex patients at IRFs nationally and explore how patient and facility characteristics are associated with this variation. DESIGN: Retrospective review of an administrative database. SETTING: IRFs throughout the United States...
August 1, 2016: Journal of the American Medical Directors Association
https://www.readbyqxmd.com/read/27133161/assessing-in-hospital-outcomes-and-resource-utilization-after-primary-total-joint-arthroplasty-among-underweight-patients
#18
Afshin A Anoushiravani, Zain Sayeed, Monique C Chambers, Theodore J Gilbert, Steven L Scaife, Mouhanad M El-Othmani, Khaled J Saleh
BACKGROUND: Poor nutritional status is a preventable condition frequently associated with low body mass index (BMI). The purpose of this study is to comparatively analyze low (≤19 kg/m(2)) and normal (19-24.9 kg/m(2)) BMI cohorts, examining if a correlation between BMI, postoperative outcomes, and resource utilization exists. METHODS: Discharge data from the 2006-2012 National Inpatient Sample were used for this study. A total of 3550 total hip arthroplasty (THA) and 1315 total knee arthroplasty (TKA) patient samples were divided into 2 cohorts, underweight (≤19 kg/m(2)) and normal BMI (19-24...
July 2016: Journal of Arthroplasty
https://www.readbyqxmd.com/read/27127895/a-flexible-data-driven-comorbidity-feature-extraction-framework
#19
Costas Sideris, Mohammad Pourhomayoun, Haik Kalantarian, Majid Sarrafzadeh
Disease and symptom diagnostic codes are a valuable resource for classifying and predicting patient outcomes. In this paper, we propose a novel methodology for utilizing disease diagnostic information in a predictive machine learning framework. Our methodology relies on a novel, clustering-based feature extraction framework using disease diagnostic information. To reduce the data dimensionality, we identify disease clusters using co-occurrence statistics. We optimize the number of generated clusters in the training set and then utilize these clusters as features to predict patient severity of condition and patient readmission risk...
June 1, 2016: Computers in Biology and Medicine
https://www.readbyqxmd.com/read/27118351/is-metal-on-metal-total-hip-arthroplasty-associated-with-neurotoxicity
#20
Abiram Bala, Colin T Penrose, Thorsten M Seyler, Timmothy R Randell, Samuel S Wellman, Michael P Bolognesi
BACKGROUND: Isolated case reports in the literature describe systemic neurologic side effects associated with metal-on-metal (MOM) bearing surfaces, yet the incidence of these effects have not been evaluated beyond individual cases. The purpose of this study was to compare new diagnoses of these side effects described in isolated cases in large patient cohorts of MOM vs metal on polyethylene (MOP). METHODS: We queried the entire Medicare database from 2005 to 2012...
September 2016: Journal of Arthroplasty
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