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Updated: Jan 7, 2026

Anterior Cervical Discectomy and Fusion in the Ovine Model
Published on: October 5, 2009
Thrombocytosis Increases the Risk for Medical Complications and Extended Length of Hospital Stay Following Anterior
Haseeb E Goheer1, Liam Cleary1, Scott D Semelsberger1
1Virginia Tech Carilion School of Medicine, 2 Riverside Circle, Roanoke, VA.
Insights
Preoperative thrombocytosis, not thrombocytopenia, independently increases the risk of medical complications and prolonged hospital stays following anterior cervical discectomy and fusion (ACDF) surgery. Platelet count testing is valuable for predicting adverse outcomes in ACDF patients.
Area of Science:
- Neurosurgery and Orthopedic Spine Surgery
- Hematology and Transfusion Medicine
- Surgical Outcomes Research
Background:
- Routine preoperative laboratory testing is standard before anterior cervical discectomy and fusion (ACDF).
- Limited research exists on the impact of preoperative thrombocytopenia and thrombocytosis on ACDF outcomes.
- Understanding these relationships can optimize patient selection and perioperative management.
Purpose of the Study:
- To evaluate the association between preoperative platelet counts (thrombocytopenia and thrombocytosis) and perioperative outcomes in ACDF.
- To identify specific platelet count thresholds that may predict adverse events.
Main Methods:
- Retrospective cohort study utilizing the American College of Surgeons National Surgical Quality Improvement Program database (2011-2021).
- Identified 77,796 patients undergoing ACDF (CPT code 22551) and categorized them into five platelet count groups.
- Multivariable logistic regression analyzed the relationship between preoperative platelet levels and postoperative complications.
Main Results:
- The highest prevalence of medical complications was observed in the severe thrombocytopenia group.
- Multivariate analysis revealed that preoperative thrombocytosis (platelet count >450k) was an independent predictor of increased medical complications (OR: 2.408) and extended hospital stay (OR: 3.001).
- Neither mild nor severe thrombocytopenia showed independent association with increased medical complications or length of stay in multivariate analysis.
Conclusions:
- Preoperative platelet count assessment is a valuable tool for predicting adverse outcomes in ACDF.
- Thrombocytosis is independently associated with a higher risk of medical complications and prolonged hospitalization after ACDF.
- These findings support incorporating platelet count into preoperative risk stratification for ACDF patients.
Study Design:
Retrospective cohort study.
Objective:
The objective of this study was to evaluate the relationship between preoperative thrombocytopenia and thrombocytosis on perioperative anterior cervical discectomy and fusion (ACDF) outcomes.
Summary Of Background Data:
Although routine preoperative laboratory testing is completed before ACDF procedures, there is a scarcity of literature exploring the influence of both preoperative thrombocytopenia and thrombocytosis on perioperative outcomes.
Methods:
The American College of Surgeons National Surgical Quality Improvement Program database was queried to retrospectively identify patients who had undergone ACDF between 2011 and 2021 using the Current Procedural Terminology code 22551. Patients were categorized into five groups based on their preoperative platelet count: <100k (moderate-to-severe thrombocytopenia), 100-149k (mild thrombocytopenia), 150-199k (low-normal preoperative platelet count), 200-450k (reference cohort, normal), and >450k (thrombocytosis). Patients with missing preoperative platelet counts were excluded from the study. χ2 for categorical values and analysis of variance for continuous variables were performed on demographic variables and preoperative comorbidities. Multivariable logistic regression analysis was subsequently performed to investigate the relationship between preoperative platelet counts and postoperative complications.
Results:
A total of 77,796 patients undergoing ACDF between 2011 and 2021 were included in this study. Sixty thousand eleven patients had normal preoperative platelet counts, 430 had moderate-to-severe thrombocytopenia, 2,784had mild thrombocytopenia, 13,808 had low-normal preoperative platelet counts, and 763 had thrombocytosis. The highest prevalence rate of medical complications occurred in the severe thrombocytopenia group. Multivariate logistic regression revealed that only preoperative thrombocytosis independently increased the risk of medical complications and extended length of hospital stay (OR: 2.408, 95% CI: 1.765-3.224; OR: 3.001, 95% CI: 2.024-4.333, respectively).
Conclusion:
This study underscores the value of preoperative platelet testing as a predictor of adverse outcomes in ACDF, with thrombocytosis independently associated with increased risk of at least one medical complication or an extended length of hospital stay.
Level Of Evidence:
Level III.
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