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Relationship between routine multi-detector cardiac computed tomographic angiography prior to reoperative cardiac surgery, length of stay, and hospital charges

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Abstract

While multi-detector cardiac computed tomography angiography (MDCCTA) prior to reoperative cardiac surgery (RCS) has been associated with improved clinical outcomes, its impact on hospital charges and length of stay remains unclear. We studied 364 patients undergoing RCS at Washington Hospital Center between 2004 and 2008, including 137 clinically referred for MDCCTA. Baseline demographics, procedural data, and perioperative outcomes were recorded at the time of the procedure. The primary clinical endpoint was the composite of perioperative death, myocardial infarction (MI), stroke, and hemorrhage-related reoperation. Secondary clinical endpoints included surgical procedural variables and the perioperative volume of bleeding and transfusion. Length of stay was determined using the hospital’s electronic medical record. Cost data were extracted from the hospital’s billing summary. Analysis was performed on individual categories of care, as well as on total hospital charges. Data were compared between subjects with and without MDCCTA, after adjustment for the Society of Thoracic Surgeons score. Baseline characteristics were similar between the two groups. MDCCTA was associated with shorter procedural times, shorter intensive care unit stays, fewer blood transfusions, and less frequent perioperative MI. There was additionally a trend towards a lower incidence of the primary endpoint (17.5 vs. 24.2 %, p = 0.13) primarily due to a lower incidence of perioperative MI (0 vs. 5.7 %, p = 0.002). MDCCTA was also associated with lower median recovery room [$1,325 (1,250–3,302) vs. $3,217 (1,325–5,353) p < 0.001] and nursing charges [$6,335 (3,623–10,478) vs. $6,916 (3,915–14,499) p = 0.03], although operating room charges were higher [$24,100 (22,300–29,700) vs. $23,500 (19,900–27,700) p < 0.05]. Median total charges [$127,000 (95,000–188,000) vs. $123,000 (86,800–226,000) p = 0.77] and length of stay [9 days (6–19) vs. 11 days (7–19), p = 0.21] were similar. Means analysis demonstrated a strong trend towards lower mean total hospital charges [$163,000 (108,426) vs. $192,000 (181,706), p = 0.06] in the MDCCTA group. In conclusion, preoperative MDCCTA is associated with a number of improved perioperative outcomes and does not significantly effect the length of stay or total hospital charges during the index hospitalization.

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Authors and Affiliations

  1. Section of Cardiology, Department of Medicine, Washington Hospital Center, 110 Irving Street, NW, Room 1E12, Washington, DC, 20010-2975, USA

    Matthew A. Goldstein, Gabriel Maluenda, Gaby Weissman, Guy Weigold, Marc J. Landsman, Augusto D. Pichard, Ron Waksman & Allen J. Taylor

  2. Department of Cardiac Surgery, Washington Hospital Center, Washington, DC, USA

    Peter C. Hill, Francisco Pita, Paul J. Corso & Steven W. Boyce

  3. Department of Medicine, Georgetown University Hospital, Washington, DC, USA

    Sion K. Roy & Shinivas Hebsur

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  1. Matthew A. Goldstein
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  2. Sion K. Roy
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  3. Shinivas Hebsur
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  4. Gabriel Maluenda
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  5. Gaby Weissman
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  6. Guy Weigold
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  7. Marc J. Landsman
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  8. Peter C. Hill
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  9. Francisco Pita
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  10. Paul J. Corso
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  13. Ron Waksman
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Correspondence to Matthew A. Goldstein.

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Goldstein, M.A., Roy, S.K., Hebsur, S. et al. Relationship between routine multi-detector cardiac computed tomographic angiography prior to reoperative cardiac surgery, length of stay, and hospital charges. Int J Cardiovasc Imaging 29, 709–717 (2013). https://doi.org/10.1007/s10554-012-0133-2

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