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Related Experiment Video

Updated: Apr 18, 2026

Author Spotlight: Scope of LE-ULBD as a Safe, Effective, and Minimally Invasive Approach to Treat Lumbar Spinal Stenosis
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Dual vs. single surgeon in spinal deformity correction: a meta-analysis.

Marc Boutros1, Guy Awad1, Shaza Hammad2

  • 1Université Saint-Joseph de Beyrouth, Beyrouth, 11-5076, Lebanon.

Spine Deformity
|April 16, 2026
PubMed
Summary

A dual-attending surgeon (DS) strategy for spinal deformity surgery significantly reduces operative time, blood loss, and hospital stay compared to a single-attending surgeon (SS) approach. This method maintains equivalent radiographic correction and similar complication rates, supporting its use in complex cases.

Keywords:
Adolescent idiopathic scoliosisAdult spinal deformityBlood lossCo-surgeon modelComplicationsDual-surgeon approachMeta-analysisNeuromuscular scoliosisOperative timeScoliosisSingle-SurgeonSpinal deformity surgeryTransfusion

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Area of Science:

  • Orthopedic Surgery
  • Spinal Deformity Correction
  • Surgical Outcomes Research

Background:

  • Spinal deformity correction is a complex procedure with risks of prolonged operative time, significant blood loss, and complications.
  • Dual-attending surgeon (DS) models are explored to improve efficiency and safety, but evidence is inconsistent.

Purpose of the Study:

  • To compare the perioperative and postoperative outcomes of dual-attending surgeon (DS) versus single-attending surgeon (SS) strategies in spinal deformity surgery.

Main Methods:

  • A meta-analysis of 17 comparative studies evaluating DS versus SS procedures for spinal deformity correction.
  • Systematic literature search conducted across major databases (PubMed, Scopus, Cochrane Library, Google Scholar) up to November 2025.
  • Outcomes assessed included operative time, blood loss, transfusion needs, hospital stay, radiographic correction (Cobb angle), complications, readmissions, and revisions.

Main Results:

  • The DS approach demonstrated significantly reduced operative time (mean difference -109.69 min), intraoperative blood loss (mean difference -308.90 mL), and hospital length of stay (mean difference -0.99 days).
  • DS cases showed a significantly lower risk of transfusion (RR 0.11).
  • No significant differences were found in Cobb angle correction, readmission rates, revision rates, or overall complication rates between DS and SS groups.

Conclusions:

  • The dual-attending surgeon (DS) strategy enhances operative efficiency and reduces perioperative blood loss and transfusion requirements in spinal deformity surgery.
  • DS maintains equivalent radiographic correction and comparable postoperative outcomes to the single-attending surgeon (SS) model.
  • Selective use of DS is recommended for complex or high-risk cases; further prospective studies are needed for long-term value and cost-effectiveness.