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The ulna and radius are parallel bones of the antebrachium or the forearm. The ulna lies medially and consists of a bony tip called the olecranon process at its proximal end. This hook-like projection articulates with the olecranon fossa of the humerus and forms the "hinged" ulnohumeral part of the elbow joint. This joint facilitates forearm extension and flexion while preventing its hyperextension. Similarly, the coronoid process, another bony projection on the proximal/anterior side...
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A Standardized Method for Measurement of Elbow Kinesthesia
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A modified approach for elbow arthroscopy using an adjustable arm holder.

Alvin Chao-Yu Chen1, Chun-Jui Weng2, Chih-Hao Chiu2

  • 1Bone and Joint Research Center, Department of Orthopaedic Surgery, Chang Gung Memorial Hospital-Linkou and University College of Medicine, 5th, Fu-Shin St., Kweishan Dist, Taoyuan, 333, Taiwan, Republic of China. alvinchen@cgmh.org.tw.

Journal of Orthopaedic Surgery and Research
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Summary

Elbow arthroscopy in the supine position using a modified arm holder is safe and effective. This technique avoids patient repositioning, simplifying subsequent open elbow surgeries and improving patient outcomes.

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Area of Science:

  • Orthopedic Surgery
  • Minimally Invasive Procedures
  • Elbow Joint Interventions

Background:

  • Repositioning patients between elbow arthroscopy and open surgery poses challenges.
  • Concerns exist regarding patient safety and contamination risks during position changes.
  • A modified arm holder was developed to facilitate sequential procedures.

Purpose of the Study:

  • To retrospectively evaluate the safety and efficacy of elbow arthroscopy.
  • To assess the utility of a modified arm holder for subsequent open surgery.
  • To determine if supine positioning with the holder simplifies elbow procedures.

Main Methods:

  • Retrospective analysis of 32 elbow arthroscopies in supine position.
  • Utilized an adjustable arm holder to support the operated arm.
  • Recorded arthroscopic findings, clinical outcomes (Mayo Elbow Performance Score), and complications.
  • Follow-up averaged 17.1 months.

Main Results:

  • All patients achieved good or excellent outcomes (mean Mayo Elbow Performance Score: 89.2).
  • Average motion arc was 113.3 degrees; two patients had residual limitation.
  • No immediate complications; two cases of transient paresthesia.
  • 17 patients (53.1%) underwent subsequent open procedures (16 cases) with minimal delay (6.5 min interval).

Conclusions:

  • Elbow arthroscopy in the supine position with a modified arm holder is safe and effective.
  • This method eliminates the need for patient repositioning.
  • Facilitates concomitant open surgical procedures, enhancing surgical workflow.