The surgical apgar score is strongly associated with intensive care unit admission after high-risk intraabdominal surgery

Julia B. Sobol, Hayley B. Gershengorn, Hannah Wunsch, Guohua Li

Research output: Contribution to journalArticle

20 Citations (Scopus)

Abstract

BACKGROUND: Understanding intensive care unit (ICU) triage decisions for high-risk surgical patients may ultimately facilitate resource allocation and improve outcomes. The surgical Apgar score (SAS) is a simple score that uses intraoperative information on hemodynamics and blood loss to predict postoperative morbidity and mortality, with lower scores associated with worse outcomes. We hypothesized that the SAS would be associated with the decision to admit a patient to the ICU postoperatively. METHODS: We performed a retrospective cohort study of adults undergoing major intraabdominal surgery from 2003 to 2010 at an academic medical center. We calculated the SAS (0-10) for each patient based on intraoperative heart rate, mean arterial blood pressure, and estimated blood loss. Using logistic regression, we assessed the association of the SAS with the decision to admit a patient directly to the ICU after surgery. RESULTS: The cohort consisted of 8501 patients, with 72.7% having an SAS of 7 to 10 and <5% an SAS of 0 to 4. A total of 8.7% of patients were transferred immediately to the ICU postoperatively. After multivariate adjustment, there was a strong association between the SAS and the decision to admit a patient to the ICU (adjusted odds ratio 14.41 [95% confidence interval {CI}, 6.88-30.19, P < 0.001] for SAS 0-2, 4.42 [95% CI, 3.19-6.13, P < 0.001] for SAS 3-4, and 2.60 [95% CI, 2.08-3.24, P < 0.001] for SAS 5-6 compared with SAS 7-8). CONCLUSIONS: The SAS is strongly associated with clinical decisions regarding immediate ICU admission after high-risk intraabdominal surgery. These results provide an initial step toward understanding whether intraoperative hemodynamics and blood loss influence ICU triage for postsurgical patients.

Original languageEnglish (US)
Pages (from-to)438-446
Number of pages9
JournalAnesthesia and Analgesia
Volume117
Issue number2
DOIs
StatePublished - Aug 2013

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Apgar Score
Intensive Care Units
Triage
Confidence Intervals
Arterial Pressure
Hemodynamics
Resource Allocation
Cohort Studies
Retrospective Studies
Heart Rate
Logistic Models
Odds Ratio

ASJC Scopus subject areas

  • Anesthesiology and Pain Medicine

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The surgical apgar score is strongly associated with intensive care unit admission after high-risk intraabdominal surgery. / Sobol, Julia B.; Gershengorn, Hayley B.; Wunsch, Hannah; Li, Guohua.

In: Anesthesia and Analgesia, Vol. 117, No. 2, 08.2013, p. 438-446.

Research output: Contribution to journalArticle

Sobol, Julia B. ; Gershengorn, Hayley B. ; Wunsch, Hannah ; Li, Guohua. / The surgical apgar score is strongly associated with intensive care unit admission after high-risk intraabdominal surgery. In: Anesthesia and Analgesia. 2013 ; Vol. 117, No. 2. pp. 438-446.
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abstract = "BACKGROUND: Understanding intensive care unit (ICU) triage decisions for high-risk surgical patients may ultimately facilitate resource allocation and improve outcomes. The surgical Apgar score (SAS) is a simple score that uses intraoperative information on hemodynamics and blood loss to predict postoperative morbidity and mortality, with lower scores associated with worse outcomes. We hypothesized that the SAS would be associated with the decision to admit a patient to the ICU postoperatively. METHODS: We performed a retrospective cohort study of adults undergoing major intraabdominal surgery from 2003 to 2010 at an academic medical center. We calculated the SAS (0-10) for each patient based on intraoperative heart rate, mean arterial blood pressure, and estimated blood loss. Using logistic regression, we assessed the association of the SAS with the decision to admit a patient directly to the ICU after surgery. RESULTS: The cohort consisted of 8501 patients, with 72.7{\%} having an SAS of 7 to 10 and <5{\%} an SAS of 0 to 4. A total of 8.7{\%} of patients were transferred immediately to the ICU postoperatively. After multivariate adjustment, there was a strong association between the SAS and the decision to admit a patient to the ICU (adjusted odds ratio 14.41 [95{\%} confidence interval {CI}, 6.88-30.19, P < 0.001] for SAS 0-2, 4.42 [95{\%} CI, 3.19-6.13, P < 0.001] for SAS 3-4, and 2.60 [95{\%} CI, 2.08-3.24, P < 0.001] for SAS 5-6 compared with SAS 7-8). CONCLUSIONS: The SAS is strongly associated with clinical decisions regarding immediate ICU admission after high-risk intraabdominal surgery. These results provide an initial step toward understanding whether intraoperative hemodynamics and blood loss influence ICU triage for postsurgical patients.",
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N2 - BACKGROUND: Understanding intensive care unit (ICU) triage decisions for high-risk surgical patients may ultimately facilitate resource allocation and improve outcomes. The surgical Apgar score (SAS) is a simple score that uses intraoperative information on hemodynamics and blood loss to predict postoperative morbidity and mortality, with lower scores associated with worse outcomes. We hypothesized that the SAS would be associated with the decision to admit a patient to the ICU postoperatively. METHODS: We performed a retrospective cohort study of adults undergoing major intraabdominal surgery from 2003 to 2010 at an academic medical center. We calculated the SAS (0-10) for each patient based on intraoperative heart rate, mean arterial blood pressure, and estimated blood loss. Using logistic regression, we assessed the association of the SAS with the decision to admit a patient directly to the ICU after surgery. RESULTS: The cohort consisted of 8501 patients, with 72.7% having an SAS of 7 to 10 and <5% an SAS of 0 to 4. A total of 8.7% of patients were transferred immediately to the ICU postoperatively. After multivariate adjustment, there was a strong association between the SAS and the decision to admit a patient to the ICU (adjusted odds ratio 14.41 [95% confidence interval {CI}, 6.88-30.19, P < 0.001] for SAS 0-2, 4.42 [95% CI, 3.19-6.13, P < 0.001] for SAS 3-4, and 2.60 [95% CI, 2.08-3.24, P < 0.001] for SAS 5-6 compared with SAS 7-8). CONCLUSIONS: The SAS is strongly associated with clinical decisions regarding immediate ICU admission after high-risk intraabdominal surgery. These results provide an initial step toward understanding whether intraoperative hemodynamics and blood loss influence ICU triage for postsurgical patients.

AB - BACKGROUND: Understanding intensive care unit (ICU) triage decisions for high-risk surgical patients may ultimately facilitate resource allocation and improve outcomes. The surgical Apgar score (SAS) is a simple score that uses intraoperative information on hemodynamics and blood loss to predict postoperative morbidity and mortality, with lower scores associated with worse outcomes. We hypothesized that the SAS would be associated with the decision to admit a patient to the ICU postoperatively. METHODS: We performed a retrospective cohort study of adults undergoing major intraabdominal surgery from 2003 to 2010 at an academic medical center. We calculated the SAS (0-10) for each patient based on intraoperative heart rate, mean arterial blood pressure, and estimated blood loss. Using logistic regression, we assessed the association of the SAS with the decision to admit a patient directly to the ICU after surgery. RESULTS: The cohort consisted of 8501 patients, with 72.7% having an SAS of 7 to 10 and <5% an SAS of 0 to 4. A total of 8.7% of patients were transferred immediately to the ICU postoperatively. After multivariate adjustment, there was a strong association between the SAS and the decision to admit a patient to the ICU (adjusted odds ratio 14.41 [95% confidence interval {CI}, 6.88-30.19, P < 0.001] for SAS 0-2, 4.42 [95% CI, 3.19-6.13, P < 0.001] for SAS 3-4, and 2.60 [95% CI, 2.08-3.24, P < 0.001] for SAS 5-6 compared with SAS 7-8). CONCLUSIONS: The SAS is strongly associated with clinical decisions regarding immediate ICU admission after high-risk intraabdominal surgery. These results provide an initial step toward understanding whether intraoperative hemodynamics and blood loss influence ICU triage for postsurgical patients.

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