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Dive into the research topics where Zhun Cao is active.

Publication


Featured researches published by Zhun Cao.


Chest | 2017

Effect of Procalcitonin Testing on Health-care Utilization and Costs in Critically Ill Patients in the United States

Robert A. Balk; Sameer S. Kadri; Zhun Cao; Scott B. Robinson; Craig Lipkin; Samuel Bozzette

Background There is a growing use of procalcitonin (PCT) to facilitate the diagnosis and management of severe sepsis. We investigated the impact of one to two PCT determinations on ICU day 1 on health‐care utilization and cost in a large research database. Methods A retrospective, propensity score‐matched multivariable analysis was performed on the Premier Healthcare Database for patients admitted to the ICU with one to two PCT evaluations on day 1 of ICU admission vs patients who did not have PCT testing. Results A total of 33,569 PCT‐managed patients were compared with 98,543 propensity score‐matched non‐PCT patients. In multivariable regression analysis, PCT utilization was associated with significantly decreased total length of stay (11.6 days [95% CI, 11.4 to 11.7] vs 12.7 days [95% CI, 12.6 to 12.8]; 95% CI for difference, 1 to 1.3; P < .001) and ICU length of stay (5.1 days [95% CI, 5.1 to 5.2] vs 5.3 days [95% CI, 5.3 to 5.4]; 95% CI for difference, 0.1 to 0.3; P < .03), and lower hospital costs (


ClinicoEconomics and Outcomes Research | 2014

The costs of fluid overload in the adult intensive care unit: is a small-volume infusion model a proactive solution?

Debra Child; Zhun Cao; Laura Seiberlich; Harold Brown; Jordan Greenberg; Anne Swanson; Martha Sewall; Scott Robinson

30,454 [95% CI, 29,968 to 31,033] vs


Journal of Medical Economics | 2017

Burden of illness associated with sinusoidal obstruction syndrome/veno-occlusive disease in patients with hematopoietic stem cell transplantation

Zhun Cao; Kathleen F. Villa; Craig Lipkin; Scott Robinson; Bijan Nejadnik; Christopher C. Dvorak

33,213 [95% CI, 32,964 to 33,556); 95% CI for difference, 2,159 to 3,321; P < .001). There was significantly less total antibiotic exposure (16.2 days [95% CI, 16.1 to 16.5] vs 16.9 days [95% CI, 16.8 to 17.1]; 95% CI for difference, –0.9 to 0.4; P = .006) in PCT‐managed patients. Patients in the PCT group were more likely to be discharged to home (44.1% [95% CI, 43.7 to 44.6] vs 41.3% [95% CI, 41 to 41.6]; 95% CI for difference, 2.3 to 3.3; P = .006). Mortality was not different in an analysis including the 96% of patients who had an independent measure of mortality risk available (19.1% [95% CI, 18.7 to 19.4] vs 19.1% [95% CI, 18.9 to 19.3]; 95% CI for difference, –0.5 to 0.4; P = .93). Conclusions Use of PCT testing on the first day of ICU admission was associated with significantly lower hospital and ICU lengths of stay, as well as decreased total, ICU, and pharmacy cost of care. Further elucidation of clinical outcomes requires additional data.


Critical Care Medicine | 2015

1005: EFFECT OF PROCALCITONIN (PCT) TESTING ON HEALTHCARE UTILIZATION AND COST

Robert A. Balk; Zhun Cao; Craig Lipkin; bozzette samuel; Sameer S. Kadri; Scott Robinson

Purpose Fluid overload (FO) in critically ill patients remains a challenging clinical dilemma, and many continuous intravenous (IV) medications in the US are being delivered as a dilute solution, adding significantly to a patient’s daily intake. This study describes the costs and outcomes of FO in patients receiving multiple continuous infusions. Materials and methods A retrospective study was conducted using a hospital administrative database covering >500 US hospitals. An FO cohort included adult intensive care unit (ICU) patients with a central line receiving IV loop diuretics and 2+ continuous IV infusions on 50%+ of their ICU days; a directly matched non-FO cohort included patients without IV diuretic use. The primary outcome of the study was total hospitalization costs per visit. Additional outcomes were ICU costs, mortality, total and ICU length of stay (LOS), 30-day readmission rates, and ventilator use. Unadjusted descriptive analysis was performed using chi-squared or paired t-tests to compare outcomes between the two cohorts. Results A total of 63,974 patients were identified in each cohort. The total hospitalization cost per visit for the FO cohort was US


Biology of Blood and Marrow Transplantation | 2016

Incidence of Hepatic Veno-Occlusive Disease (VOD) in Premier Research Database

Christopher C. Dvorak; Bijan Nejadnik; Zhun Cao; Craig Lipkin; Scott Robinson; Kathleen F. Villa

15,344 higher than the non-FO cohort (US


Blood | 2015

Hospital Cost Associated with Veno-Occlusive Disease (VOD) in Patients with Hematopoietic Stem Cell Transplant (HSCT)

Christopher C. Dvorak; Bijan Nejadnik; Zhun Cao; Craig Lipkin; Scott Robinson; Kathleen F. Villa

42,386 vs US


Blood | 2015

Incidence of Hepatic Veno-Occlusive Disease (VOD) in Premier Healthcare Database

Christopher C. Dvorak; Bijan Nejadnik; Zhun Cao; Craig Lipkin; Scott Robinson; Kathleen F. Villa

27,042), and the ICU cost for the FO cohort was US


Diseases of The Colon & Rectum | 2018

Evaluation of Healthcare Use and Clinical Outcomes of Alvimopan in Patients Undergoing Bowel Resection A Propensity Score-Matched Analysis

Scott R. Steele; Justin T. Brady; Zhun Cao; Dorothy L. Baumer; Scott Robinson; H. Keri Yang; Conor P. Delaney

5,243 higher than the non-FO cohort (US


Open Forum Infectious Diseases | 2016

The Epidemiology of Procalcitonin Use in United States Hospitals

Sameer S. Kadri; Chanu Rhee; Zhun Cao; Scott Robinson; Craig Lipkin; Samuel Bozzette; Robert A. Balk

10,902 vs US


Circulation | 2016

Abstract 13816: Readmission in Patients With Atrial Fibrillation Treated With Dofetilide versus Other Anti-arrhythmic Drug Therapy

Zhun Cao; Dale Rublee; Dorothy L. Baumer; Scott Robinson; Richard Chambers; Rebecca Ashkenazy; Craig Lipkin

5,659). FO patients had higher mortality (20% vs 16.8%), prolonged LOS (11.5 vs 8.0 days), longer ICU LOS (6.2 vs 3.6 days), higher risk of 30-day readmission (21.8% vs 21.3%), and ventilator usage (47.7% vs 28.3%) than the non-FO cohort (all P<0.05). Conclusion In patients receiving multiple continuous infusions, FO is associated with increased health care resources and costs. Maximally concentrating medications and proactively providing continuous medications in small-volume infusions (SVI) could be a potential solution to prevent iatrogenic FO in critically ill patients. Further prospective research is warranted to assess the impact of the SVI dispensing model on patient outcomes and health care costs.

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Robert A. Balk

Rush University Medical Center

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Sameer S. Kadri

National Institutes of Health

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Justin T. Brady

Case Western Reserve University

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