Table 1

Universal framework of intraoperative performance five-domain model,14 our SP adjunct and VP-specific operationalization with corresponding expert-defined performance indicators

Intraoperative performance domainVP-specific framework operationalizationRelated expert-based observational rating
Psychomotor skills (PMS)
Visuospatial skills, depth perception, dexterity, bimanual coordination, hand-to-eye coordination
PMS score
Path length soft tissue
Path length vertebra
Needle positioning attempts
Accuracy with respect to plan
Pedicle entry
Vertebra target
OSATS GRS
Time and motion
Instrument handling
Declarative knowledge (DK)
Knowledge of anatomy, physiology, and pathology
Knowledge of surgical techniques, procedural steps, and instruments
Knowledge of scientific literature
DK score (preoperative planning)
Pedicle entry
Expert-defined entry area agreement
Expert-defined optimal entry point
Vertebra target
Expert-defined optimal target point
Safety margins
Distance from pedicle wall
Danger zones
Pedicle perforation
Vertebra perforation
Injury of critical structures
OSATS GRS
Knowledge of instruments
Knowledge of specific procedure
Interpersonal skills (IPS)
Teamwork, communication, and cooperation
Leadership and management
Not operationalizedOTAS
Communication
Cooperation/backup behavior
Leadership
Coordination
Personal resourcefulness (PR)
Self-awareness and metacognition
Managing modulators of attention, stress, and goals
PR score
Time
Total X-ray amount
OTAS
Monitoring/situational awareness
Advanced cognitive skills (ACS)
Surgical planning and error prevention
Error recognition, rescue, and recovery
ACS score
Intraoperative planning and error prevention
X-ray visualization
Pedicle entry
Expert-defined entry area agreement
Expert-defined optimal entry point
Vertebra target
Expert-defined optimal target point
Error recognition, rescue, and recovery
Safety margins
Distance from pedicle wall
Danger zones
Pedicle perforation
Vertebra perforation
OSATS GRS
Respect for tissue
Flow of operation
OSATS CL
Locate entry points
Team time-out
Skin incisions
Guide needle to pedicles
Insert needle through pedicles
Locate final positions in vertebrae
Cement injections
Needle removal
Skin sutures
Final C-arm image control
Surgical product (SP)
General aims
Understanding, removing, or fixing pathology
Restoring physiology and function
Restoring or altering anatomy
SP score
Cement amount
Cement leakage
Injury of critical structures
OSATS PF
PF rating
  • Table expanded on Madani et al (p258).14

  • CL, checklist; GRS, Global Rating Scale; OSATS, Objective Structured Assessment of Technical Skill; OTAS, Observational Teamwork Assessment for Surgery; PF, pass/fail; VP, vertebroplasty.