• Chest · May 2021

    A minority of patients on mechanical ventilation consume disproportionate resources: A retrospective cohort study.

    • Marya D Zilberberg, Brian H Nathanson, Judy Ways, and Andrew F Shorr.
    • EviMed Research Group, LLC, Goshen, MA. Electronic address: evimedgroup@gmail.com.
    • Chest. 2021 May 1; 159 (5): 1854-1866.

    BackgroundThe Pareto principle states that the majority of any effect comes from a minority of the causes. This property is widely used in quality improvement science.Research QuestionAmong patients requiring mechanical ventilation (MV), are there subgroups according to MV duration that may serve as potential nodes for high-value interventions aimed at reducing costs without compromising quality?Study Design And MethodsThis multicenter retrospective cohort study included approximately 780 hospitals in the Premier Research Database (2014-2018). Patients receiving MV were identified by using International Classification of Diseases, Ninth Revision, Clinical Modification, and International Classification of Diseases, Tenth Revision, codes. They were then divided into quintiles according to MV duration; their hospital costs, post-MV onset length of stay (LOS), ICU LOS, and cumulative post-MV onset hospital days per quintile were compared.ResultsA total of 691,961 patients were included in the analysis. Median [interquartile range] duration of MV in days by quintile was as follows: quintile 1 (Q1), 1 [1, 1]; Q2, 2 [2, 2]; Q3, 3 [3, 3]; Q4, 6 [6, 7]; and Q5, 13 [10, 19]. Median [interquartile range] post-MV onset LOS (Q1, 2 [0, 5]; Q5, 17 [12, 26]) and hospital costs (Q1, $15,671 [$9,180, $27,901]; Q5, $70,133 [$47,136, $108,032]) rose from Q1 through Q5. Patients in Q5 consumed 47.7% of all post-MV initiation hospital days among all patients requiring MV, and the mean per-patient hospital costs in Q5 exceeded the sum of costs incurred by Q1 to Q3. Adjusted marginal mean (95% CI) hospital costs rose exponentially from Q1 through Q5: Q2 vs Q1, $3,976 ($3,354, $4,598); Q3 vs Q2, $5,532 ($5,103, $5,961); Q4 vs Q3, $11,705 ($11,071, $12,339); and Q5 vs Q4, $26,416 ($25,215, $27,616).InterpretationPatients undergoing MV in the highest quintiles according to duration of MV consume a disproportionate amount of resources, as evidenced by MV duration, hospital LOS, and costs, making them a potential target for streamlining MV care.Copyright © 2020. Published by Elsevier Inc.

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