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Study Objective: To confirm the relationship between primary payer status as a predictor of increased perioperative risks and post-operative outcomes after total hip replacements., Design: Retrospective cohort study., Setting: Administrative database study using 2007-2011 data from California, Florida, and New York from the State Inpatient Databases (SID), Healthcare Cost and Utilization Project, Agency for Healthcare Research and Quality., Patients: 295,572 patients age≥18years old who underwent total hip replacement with non-missing insurance data were collected, using International Classification of Diseases, Ninth Revision, Clinical Modification (ICD-9-CM) diagnoses and procedures code (ICD-9-CM code 81.51)., Interventions: Patients underwent total hip replacement., Measurements: Patients were cohorted by insurance type as either Medicare, Medicaid, Uninsured, Other, and Private Insurance. Demographic characteristics and comorbidities were compared. Unadjusted rates of in-hospital mortality, postoperative complications, LOS, 30-day, and 90-day readmission status were compared. Adjusted odds ratios were calculated for our outcomes using multivariate linear and logistic regression models fitted to our data., Main Results: Medicaid patients incurred a 125% increase in the odds of in-hospital mortality compared to those with Private Insurance (OR 2.25, 99% CI 1.01-5.01). Medicaid payer status was associated with the highest statistically significant adjusted odds of mortality, any complication (OR, 1.26), cardiovascular complications (OR, 1.37), and infectious complications (OR, 1.66) when compared with Private Insurance. Medicaid patients had the highest statistically significant adjusted odds of 30-day (OR, 1.63) and 90-day readmission (OR, 1.58) and the longest adjusted LOS., Conclusions: We found higher unadjusted rates and risk adjusted odds ratios of postoperative mortality, morbidity, LOS, and readmissions for patients with Medicaid insurance as compared to patients with Private Insurance. Our study shows that primary payer status serves as a predictor of perioperative risks and that primary payer status should be viewed as a peri-operative risk factor., (Copyright © 2017 Elsevier Inc. All rights reserved.)

Objective The aim of this study was to examine the association of preexisting opioid use disorder and postoperative outcomes in patients undergoing total hip or knee arthroplasty (THA and TKA, respectively) in the overall population and in the Medicare-only population. Methods This retrospective cohort study examined data from the State Inpatient Databases of the Healthcare Cost and Utilization Project for the years 2007–2014 from California, Florida, New York, Maryland, and Kentucky. We compared patients with and without opioid use disorders on unadjusted rates and calculated adjusted odds ratios (aORs) of in-hospital mortality, postoperative complications, length of stay, and 30-day and 90-day readmission status; analyses were repeated in a subgroup of Medicare insurance patients only. Subjects After applying our exclusion criteria, our study included 1,422,210 adult patients undergoing lower extremity arthroplasties, including 818,931 Medicare insurance patients. In our study, 0.4% of THA patients and 0.3% of TKA patients had present-on-admission opioid use disorder. Results Opioid use disorder patients were at higher risk for in-hospital mortality (aOR = 3.10), 30- and 90-day readmissions (aORs = 1.81, 1.81), and pulmonary and infectious complications (aORs = 1.25, 1.96). Conclusions Present-on-admission opioid use disorder was a risk factor for worse postoperative outcomes and increased health care utilization in the lower extremity arthroplasty population. Opioid use disorder is a potentially modifiable risk factor for mortality, postoperative complications, and health care utilization, especially in the at-risk Medicare population. [ABSTRACT FROM AUTHOR]

Abstract Background Colectomies are one of the most common surgeries in the United States with about 275,000 performed annually. Studies have shown that insurance status is an independent risk factor for worse surgical outcomes. This study aims to analyze the effect of insurance on health outcomes of patients undergoing colectomy procedures. Methods We examined hospital discharge data from the State Inpatient Database, Healthcare Cost and Utilization Project, Agency for Healthcare Research and Quality, from 2009 to 2014 in California, Florida, New York, Maryland, and Kentucky. The primary outcome was in-hospital mortality. Secondary outcomes included complications, length of stay (LOS), total hospital charges, and 30- and 90-d readmissions. Results A total of 444,877 patients were included in the analysis. Bivariate analysis showed that open surgeries were more common in Medicaid patients (50.5%), whereas robotic and laparoscopic surgeries were more common in private insurance holders (50.4% and 21.7%, respectively). In the adjusted multivariate models, when compared with private insurance patients, Medicaid patients had the highest odds ratio (OR) for mortality (OR, 1.96; 95% confidence interval [CI], 1.78-2.15), complication rates (OR, 1.43; 95% CI, 1.38-1.49), 30-d readmission (OR, 1.47; 95% CI, 1.40-1.55), 90-d readmission (OR, 1.44; 95% CI, 1.37-1.51), longer LOS (coefficient, 1.26; 95% CI, 1.24-1.28), and higher total hospital charges (coefficient, 1.15; 95% CI, 1.13-1.17). Conclusions We identified Medicaid insurance status as a predictor of open colectomies and of higher mortality, LOS, complications, readmission rates, and charges after colectomy. Further research and initiatives are necessary to meet the specific needs of patients with different payer types. [ABSTRACT FROM AUTHOR]

Study Design: Analysis of population-based national hospital discharge data collected for the National Inpatient Sample.Objective: To examine demographics of patients undergoing primary anterior spine fusion (ASF), posterior spine fusion (PSF), and anterior/posterior spine fusion (APSF) of the noncervical spine, assess the incidence of perioperative morbidity and mortality, and determine independent risk factors for in-hospital death.Summary Of Background Data: The utilization of surgical fusion has been increasing dramatically. Despite this trend, a paucity of literature addressing perioperative outcomes exists.Methods: Data collected for each year between 1998 and 2006 for the National Inpatient Sample were analyzed. Discharges with a procedure code for primary noncervical spine fusion were included in the sample. The prevalence of patient as well as health care system-related demographics were evaluated by procedure type (ASF, PSF, and APSF). Frequencies of procedure-related complications and in-hospital mortality were analyzed. Independent predictors for in-hospital mortality were determined.Results: We identified 261,256 entries representing an estimated 1,273,228 hospitalizations for primary spine fusion. Patients undergoing ASF and APSF were significantly younger (44.8 ± 0.08 and 44.22 ± 0.11 years) and had lower average comorbidity indeces (0.30 ± 0.002 and 0.31 ± 0.004) than those undergoing PSF (52.12 ± 0.04 years and 0.41 ± 0.002) (P < 0.0001). The incidence of procedure-related complications was 18.68% among ASF, 15.72% in PSF, and 23.81% in APSF patients (P < 0.0001). In-hospital mortality rates after APSF were approximately twice those of PSF (0.51 ± 0.038 vs. 0.26 ± 0.012) (P < 0.0001). Adjusted risk factors for in-hospital mortality included the following: APSF and ASF compared to PSF, male gender, increasing age, and increasing comorbidity burden. Several comorbidities and complications independently increased the risk for perioperative death, as did underlying spinal pathology.Conclusion: Despite being performed in generally younger and healthier patients, APSF and ASF are associated with increased morbidity and mortality. Our findings can be used for the purposes of risk stratification, accurate patient consultation, and hypothesis formation for future research. [ABSTRACT FROM AUTHOR]