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Preoperative Anemia Does Not Predict Complications After Single-Level Lumbar Fusion: A Propensity Score–Matched Multicenter Study

STUDY DESIGN.: Multicenter retrospective cohort study. OBJECTIVE.: To estimate the impact of preoperative anemia on 30-day complications in patients undergoing single-level lumbar fusion. SUMMARY OF BACKGROUND DATA.: Anemia has been widely implicated as a risk factor in various surgical procedures i... Full description

Journal Title: Spine 2014, Vol.39(23), pp.1981-1989
Main Author: Kim, D., Bobby
Other Authors: Edelstein, I., Adam , Patel, A., Alpesh , Lovecchio, S., Francis , Kim, S., John Y.
Format: Electronic Article Electronic Article
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ID: ISSN: 0362-2436 ; DOI: 10.1097/BRS.0000000000000568
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recordid: ovid10.1097/BRS.0000000000000568
title: Preoperative Anemia Does Not Predict Complications After Single-Level Lumbar Fusion: A Propensity Score–Matched Multicenter Study
format: Article
creator:
  • Kim, D., Bobby
  • Edelstein, I., Adam
  • Patel, A., Alpesh
  • Lovecchio, S., Francis
  • Kim, S., John Y.
subjects:
  • Preoperative Care
  • Propensity Score
  • Anemia -- Epidemiology
  • Lumbar Vertebrae -- Surgery
  • Postoperative Complications -- Epidemiology
  • Spinal Fusion -- Adverse Effects
ispartof: Spine, 2014, Vol.39(23), pp.1981-1989
description: STUDY DESIGN.: Multicenter retrospective cohort study. OBJECTIVE.: To estimate the impact of preoperative anemia on 30-day complications in patients undergoing single-level lumbar fusion. SUMMARY OF BACKGROUND DATA.: Anemia has been widely implicated as a risk factor in various surgical procedures including elective spine surgery. No large-scale study has been performed to examine this relationship in single-level lumbar fusion surgery. METHODS.: The American College of Surgeons National Surgical Quality Improvement Program database was retrospectively reviewed to identify all patients who underwent single-level lumbar fusion procedures during 2006 to 2011. A propensity score–matching algorithm was used to match scores of anemic patients with that of nonanemic patients. Multivariate logistic regression analysis of unadjusted and propensity score–matched cohorts was performed to examine the effect of preoperative anemia on 30-day postoperative complication rates and length of hospital stay. RESULTS.: A total of 2960 patients met inclusion criteria. The propensity score–matching procedure yielded scores of 491 pairs of well-matched nonanemic and anemic patients. The multivariate analysis of propensity score–matched population found preoperative anemia to carry no significant association with any of the complications analyzed, including overall complications, medical complications, surgical complications, reoperation, mortality, or length of total hospital stay. CONCLUSION.: For patients undergoing single-level lumbar fusion, preoperative anemia is not independently associated with increased risk of 30-day complications or increased length of stay. Further studies are needed to independently validate this relationship in other spine surgical procedures.Level of Evidence: 3
language:
source:
identifier: ISSN: 0362-2436 ; DOI: 10.1097/BRS.0000000000000568
fulltext: fulltext
issn:
  • 0362-2436
  • 03622436
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titlePreoperative Anemia Does Not Predict Complications After Single-Level Lumbar Fusion: A Propensity Score–Matched Multicenter Study
creatorKim, D., Bobby ; Edelstein, I., Adam ; Patel, A., Alpesh ; Lovecchio, S., Francis ; Kim, S., John Y.
ispartofSpine, 2014, Vol.39(23), pp.1981-1989
identifierISSN: 0362-2436 ; DOI: 10.1097/BRS.0000000000000568
descriptionSTUDY DESIGN.: Multicenter retrospective cohort study. OBJECTIVE.: To estimate the impact of preoperative anemia on 30-day complications in patients undergoing single-level lumbar fusion. SUMMARY OF BACKGROUND DATA.: Anemia has been widely implicated as a risk factor in various surgical procedures including elective spine surgery. No large-scale study has been performed to examine this relationship in single-level lumbar fusion surgery. METHODS.: The American College of Surgeons National Surgical Quality Improvement Program database was retrospectively reviewed to identify all patients who underwent single-level lumbar fusion procedures during 2006 to 2011. A propensity score–matching algorithm was used to match scores of anemic patients with that of nonanemic patients. Multivariate logistic regression analysis of unadjusted and propensity score–matched cohorts was performed to examine the effect of preoperative anemia on 30-day postoperative complication rates and length of hospital stay. RESULTS.: A total of 2960 patients met inclusion criteria. The propensity score–matching procedure yielded scores of 491 pairs of well-matched nonanemic and anemic patients. The multivariate analysis of propensity score–matched population found preoperative anemia to carry no significant association with any of the complications analyzed, including overall complications, medical complications, surgical complications, reoperation, mortality, or length of total hospital stay. CONCLUSION.: For patients undergoing single-level lumbar fusion, preoperative anemia is not independently associated with increased risk of 30-day complications or increased length of stay. Further studies are needed to independently validate this relationship in other spine surgical procedures.Level of Evidence: 3
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subjectPreoperative Care ; Propensity Score ; Anemia -- Epidemiology ; Lumbar Vertebrae -- Surgery ; Postoperative Complications -- Epidemiology ; Spinal Fusion -- Adverse Effects;
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titlePreoperative Anemia Does Not Predict Complications After Single-Level Lumbar Fusion: A Propensity Score–Matched Multicenter Study
descriptionSTUDY DESIGN.: Multicenter retrospective cohort study. OBJECTIVE.: To estimate the impact of preoperative anemia on 30-day complications in patients undergoing single-level lumbar fusion. SUMMARY OF BACKGROUND DATA.: Anemia has been widely implicated as a risk factor in various surgical procedures including elective spine surgery. No large-scale study has been performed to examine this relationship in single-level lumbar fusion surgery. METHODS.: The American College of Surgeons National Surgical Quality Improvement Program database was retrospectively reviewed to identify all patients who underwent single-level lumbar fusion procedures during 2006 to 2011. A propensity score–matching algorithm was used to match scores of anemic patients with that of nonanemic patients. Multivariate logistic regression analysis of unadjusted and propensity score–matched cohorts was performed to examine the effect of preoperative anemia on 30-day postoperative complication rates and length of hospital stay. RESULTS.: A total of 2960 patients met inclusion criteria. The propensity score–matching procedure yielded scores of 491 pairs of well-matched nonanemic and anemic patients. The multivariate analysis of propensity score–matched population found preoperative anemia to carry no significant association with any of the complications analyzed, including overall complications, medical complications, surgical complications, reoperation, mortality, or length of total hospital stay. CONCLUSION.: For patients undergoing single-level lumbar fusion, preoperative anemia is not independently associated with increased risk of 30-day complications or increased length of stay. Further studies are needed to independently validate this relationship in other spine surgical procedures.Level of Evidence: 3
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abstractSTUDY DESIGN.: Multicenter retrospective cohort study. OBJECTIVE.: To estimate the impact of preoperative anemia on 30-day complications in patients undergoing single-level lumbar fusion. SUMMARY OF BACKGROUND DATA.: Anemia has been widely implicated as a risk factor in various surgical procedures including elective spine surgery. No large-scale study has been performed to examine this relationship in single-level lumbar fusion surgery. METHODS.: The American College of Surgeons National Surgical Quality Improvement Program database was retrospectively reviewed to identify all patients who underwent single-level lumbar fusion procedures during 2006 to 2011. A propensity score–matching algorithm was used to match scores of anemic patients with that of nonanemic patients. Multivariate logistic regression analysis of unadjusted and propensity score–matched cohorts was performed to examine the effect of preoperative anemia on 30-day postoperative complication rates and length of hospital stay. RESULTS.: A total of 2960 patients met inclusion criteria. The propensity score–matching procedure yielded scores of 491 pairs of well-matched nonanemic and anemic patients. The multivariate analysis of propensity score–matched population found preoperative anemia to carry no significant association with any of the complications analyzed, including overall complications, medical complications, surgical complications, reoperation, mortality, or length of total hospital stay. CONCLUSION.: For patients undergoing single-level lumbar fusion, preoperative anemia is not independently associated with increased risk of 30-day complications or increased length of stay. Further studies are needed to independently validate this relationship in other spine surgical procedures.Level of Evidence: 3
pub© 2014 by Lippincott Williams & Wilkins
doi10.1097/BRS.0000000000000568
eissn15281159
date2014-11