Risk assessment and characterization of 30-day perioperative myocardial infarction following spine surgery: A retrospective analysis of 1346 consecutive adult patients

Timothy Y. Wang, Joel R. Martin, Daniel B. Loriaux, Rupen Desai, Ronnie L. Shammas, Owoicho Adogwa, Jessica Moreno, Maragatha Kuchibhatla, Carlos A. Bagley, Isaac O. Karikari, Oren N. Gottfried

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

Study Design. A retrospective review. Objective. The aim of the study was to perform a risk assessment of 30-day perioperative myocardial infarction (MI) for spine surgery patients. Summary of Background Data. There is an increased emphasis to reduce complications and improve outcomes after spinal surgery. One of the more devastating perioperative complications of spinal surgery is MI. Methods. We evaluated all medical records of 1346 consecutive patients who underwent spinal surgery at a single institution from 2008 to 2010 for incidence of MI within 30 days of surgery and documented all demographic, preoperative, and operative variables. Associations between postoperative MI and individual risk factors were determined using logistic regression analysis. Patients were stratified into emergent and elective groups and a similar analysis was performed. Results. Overall, 22 patients (1.6%) had 30-day perioperative MI, 14 patients (1.2%) undergoing elective surgery, and 8 patients (4.2%) after emergent surgery (P=0.047). Three (13.6%) patients experienced 30-day mortality and an additional 3 (13.6%) patients experienced mortality within 1 year. Multivariate logistic regression determined that age more than 65 years, atrial fibrillation, hypertension, prior MI, anticoagulant use, low albumin, length of stay more than 7 days, intraoperative transfusion, trauma etiology, baseline creatinine more than 1mg/dL, and at least 2 levels of spinal fusion were predictive of postoperative MI. For patients undergoing emergent surgery, age more than 65 years was associated with an increased risk of postoperative MI. When stratified by elective surgery, we found that age more than 65, postoperative stay more than 7 days, intraoperative blood transfusion, baseline creatinine more than 1mg/dL, and fusion of more than 1 level were associated with an increased risk of MI. Conclusion. The present study demonstrates a low incidence of MI after elective surgery with a higher incidence after emergent spine surgery and identifies patient factors predictive of postoperative MI.

Original languageEnglish (US)
Pages (from-to)438-444
Number of pages7
JournalSpine
Volume41
Issue number5
DOIs
StatePublished - Mar 1 2016

Fingerprint

Spine
Myocardial Infarction
Creatinine
Incidence
Logistic Models
Spinal Fusion
Mortality
Ambulatory Surgical Procedures
Blood Transfusion
Anticoagulants
Atrial Fibrillation
Medical Records
Albumins
Length of Stay
Regression Analysis
Demography
Hypertension
Wounds and Injuries

Keywords

  • complications
  • morbidity
  • mortality
  • myocardial infarction
  • perioperative
  • risk assessment
  • spine surgery

ASJC Scopus subject areas

  • Orthopedics and Sports Medicine
  • Clinical Neurology

Cite this

Risk assessment and characterization of 30-day perioperative myocardial infarction following spine surgery : A retrospective analysis of 1346 consecutive adult patients. / Wang, Timothy Y.; Martin, Joel R.; Loriaux, Daniel B.; Desai, Rupen; Shammas, Ronnie L.; Adogwa, Owoicho; Moreno, Jessica; Kuchibhatla, Maragatha; Bagley, Carlos A.; Karikari, Isaac O.; Gottfried, Oren N.

In: Spine, Vol. 41, No. 5, 01.03.2016, p. 438-444.

Research output: Contribution to journalArticle

Wang, TY, Martin, JR, Loriaux, DB, Desai, R, Shammas, RL, Adogwa, O, Moreno, J, Kuchibhatla, M, Bagley, CA, Karikari, IO & Gottfried, ON 2016, 'Risk assessment and characterization of 30-day perioperative myocardial infarction following spine surgery: A retrospective analysis of 1346 consecutive adult patients', Spine, vol. 41, no. 5, pp. 438-444. https://doi.org/10.1097/BRS.0000000000001249
Wang, Timothy Y. ; Martin, Joel R. ; Loriaux, Daniel B. ; Desai, Rupen ; Shammas, Ronnie L. ; Adogwa, Owoicho ; Moreno, Jessica ; Kuchibhatla, Maragatha ; Bagley, Carlos A. ; Karikari, Isaac O. ; Gottfried, Oren N. / Risk assessment and characterization of 30-day perioperative myocardial infarction following spine surgery : A retrospective analysis of 1346 consecutive adult patients. In: Spine. 2016 ; Vol. 41, No. 5. pp. 438-444.
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abstract = "Study Design. A retrospective review. Objective. The aim of the study was to perform a risk assessment of 30-day perioperative myocardial infarction (MI) for spine surgery patients. Summary of Background Data. There is an increased emphasis to reduce complications and improve outcomes after spinal surgery. One of the more devastating perioperative complications of spinal surgery is MI. Methods. We evaluated all medical records of 1346 consecutive patients who underwent spinal surgery at a single institution from 2008 to 2010 for incidence of MI within 30 days of surgery and documented all demographic, preoperative, and operative variables. Associations between postoperative MI and individual risk factors were determined using logistic regression analysis. Patients were stratified into emergent and elective groups and a similar analysis was performed. Results. Overall, 22 patients (1.6{\%}) had 30-day perioperative MI, 14 patients (1.2{\%}) undergoing elective surgery, and 8 patients (4.2{\%}) after emergent surgery (P=0.047). Three (13.6{\%}) patients experienced 30-day mortality and an additional 3 (13.6{\%}) patients experienced mortality within 1 year. Multivariate logistic regression determined that age more than 65 years, atrial fibrillation, hypertension, prior MI, anticoagulant use, low albumin, length of stay more than 7 days, intraoperative transfusion, trauma etiology, baseline creatinine more than 1mg/dL, and at least 2 levels of spinal fusion were predictive of postoperative MI. For patients undergoing emergent surgery, age more than 65 years was associated with an increased risk of postoperative MI. When stratified by elective surgery, we found that age more than 65, postoperative stay more than 7 days, intraoperative blood transfusion, baseline creatinine more than 1mg/dL, and fusion of more than 1 level were associated with an increased risk of MI. Conclusion. The present study demonstrates a low incidence of MI after elective surgery with a higher incidence after emergent spine surgery and identifies patient factors predictive of postoperative MI.",
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AU - Desai, Rupen

AU - Shammas, Ronnie L.

AU - Adogwa, Owoicho

AU - Moreno, Jessica

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KW - morbidity

KW - mortality

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KW - perioperative

KW - risk assessment

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