Related Experiment Video
Updated: Feb 11, 2026

Reverse Total Shoulder Arthroplasty
Published on: July 5, 2011
Partial Versus Total Trapeziectomy Thumb Arthroplasty: An Expertise-based Feasibility Study.
Achilleas Thoma1, Carolyn Levis1, Pinkal Patel1
1Division of Plastic Surgery, Department of Surgery, McMaster University, Hamilton, ON, Canada; Department of Health Research Methods, Evidence and Impact (HEI), McMaster University, Hamilton, ON, Canada; Michael G. DeGroote School of Medicine, McMaster University, Hamilton, ON, Canada; and Department of Psychiatry and Behavioral Neurosciences, McMaster University, Hamilton, ON, Canada.
A large-scale study comparing two thumb osteoarthritis surgeries is feasible. Adjustments like including more patients and improving follow-up are needed for future research on surgical techniques for carpometacarpal osteoarthritis.
Area of Science:
- Orthopedic Surgery
- Hand Surgery
- Osteoarthritis Research
Background:
- First carpometacarpal joint osteoarthritis has multiple surgical treatments, but outcomes comparison remains debated.
- This feasibility study assessed the possibility of a large-scale trial comparing two arthroplasty techniques.
Purpose of the Study:
- To determine the feasibility of a large-scale health-related quality of life and functional outcomes study.
- To compare complete trapeziectomy with ligament reconstruction and tendon interposition (T + LRTI) versus partial trapeziectomy and tendon interposition (PT + TI) arthroplasty.
Main Methods:
- Patients with Eaton stages II-IV thumb arthritis were recruited for either T + LRTI or PT + TI.
- Feasibility was assessed via recruitment, eligibility, retention, and compliance rates for quality of life and functional outcome measures.
- Data analysis included calculation of variances and treatment effect sizes (ES) at 6-month follow-up.
Main Results:
- 34% of 60 screened patients were eligible; 20 consented (12 T + LRTI, 8 PT + TI).
- 6-month questionnaire completion was 50% (T + LRTI) and 75% (PT + TI); functional measurements were 50% and 63%, respectively.
- Large treatment effect sizes were observed in the PT + TI group for specific quality of life domains and in the T + LRTI group for overall health.
Conclusions:
- A large-scale study is feasible with modifications to increase sample size and account for attrition.
- Liberalizing inclusion criteria to include patients with carpal tunnel syndrome is recommended.
- Enhanced staff involvement and dedicated time for follow-up measurements are crucial for study success.
Related Concept Videos
Partial Fractions
Mixtures of Gases: Dalton's Law of Partial Pressures and Mole Fractions
Range Rule of Thumb to Interpret Standard Deviation
For instance, the range rule of thumb can be used to find the tallest and the shortest student in a class, given the mean student height and standard deviation. If the mean student height is 1.6 m and the standard deviation, s is 0.05 m, the height...
Dalton's Law of Partial Pressure
Total Voids in Concrete
Dosage Regimens: Partial Pharmacokinetic Parameters

