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Updated: Jan 17, 2026

Midface Hypoplasia and Cranial Base Morphology in Syndromic Craniosynostosis: A Comparative Analysis Study Using a Predictive Regression Model
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Midface Hypoplasia and Cranial Base Morphology in Syndromic Craniosynostosis: A Comparative Analysis Study Using a Predictive Regression Model

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Time and Expertise in Open Structural Rhinoplasty: A Task-Based Analysis Using Hierarchical Task Analysis and Machine

Mehmet Mazhar Celikoyar1, Oguzhan Topsakal2, Eric Dobratz3

  • 1Department of Otolaryngology, Demiroğlu Bilim University School of Medicine, Istanbul, Turkey.

The Journal of Craniofacial Surgery
|September 18, 2025
PubMed
Summary
This summary is machine-generated.

Expertise in rhinoplasty surgery significantly reduces task completion time, particularly in flap elevation and closure. Hands-on practice, not just case volume, enhances surgical efficiency.

Keywords:
Hierarchical task analysisbiomedicalmachine learningrhinoplastysurgical educationtechnology assessment

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Area of Science:

  • Plastic Surgery
  • Surgical Education
  • Surgical Performance Metrics

Background:

  • Rhinoplasty involves sequential surgical tasks.
  • Hierarchical task analysis (HTA) aids in evaluating surgical performance.
  • Experience may influence task completion time in rhinoplasty.

Purpose of the Study:

  • To determine the correlation between surgeon experience and time required for open structural rhinoplasty tasks.
  • To identify specific surgical steps where experience impacts efficiency.

Main Methods:

  • Developed a Hierarchical Task Analysis (HTA) for open structural rhinoplasty.
  • Conducted a survey on surgeon-reported task completion times.
  • Grouped surgeons into 'expert' (>100 cases) and 'non-expert' (<100 cases) categories.
  • Utilized statistical analysis and machine learning (ML) for group comparison.

Main Results:

  • Expert surgeons completed flap elevation, cephalic trim, and closures significantly faster.
  • ML identified differences in time for closure, injection, incisions, and osteotomies.
  • Certain tasks showed greater time efficiency gains with experience.

Conclusions:

  • Surgical experience, gained through hands-on practice, significantly reduces time for specific rhinoplasty tasks.
  • Efficiency gains are linked to practical application rather than solely case volume.
  • HTA and ML can identify experience-related performance differences in surgery.