# Surgical Rhizarthrosis Treatment: Trapezius Resection Arthroplasty Associated with Tendon Interposition versus the Kuhns Technique

**Authors:** Guilherme Henrique Teixeira Reis, Willker Galvão de Carvalho, Mauricio Foster Rodrigues, Jorge Raduan Neto, Aldo Okamura, João Carlos Belloti

PMC · DOI: 10.1055/s-0044-1788289 · 2024-09-04

## TL;DR

This study compared two surgical techniques for treating severe thumb arthritis and found both to be equally effective in improving function and reducing pain.

## Contribution

The study provides a direct comparison of trapezius resection arthroplasty with tendon interposition versus the Kuhns technique for rhizarthrosis.

## Key findings

- Both surgical techniques showed good functional and pain outcomes without significant differences.
- No complications required additional surgeries in either group.
- TASD and QuickDASH scores were positively correlated, indicating their effectiveness in assessing disability.

## Abstract

Objective
 This study aimed to evaluate and compare the clinical and functional outcomes of two surgical procedures performed in patients with severe grade III and IV rhizarthrosis.

Methods
 We evaluated 39 patients who underwent two surgical techniques for rhizarthrosis treatment: trapeziectomy using the Kuhns technique or tendon interposition, with a minimum follow-up period of 6 months. The primary outcome assessment used the specific Trapeziometacarpal Arthrosis Symptoms and Disability (TASD) questionnaire, and the secondary outcome evaluation employed the shortened version of the Disabilities of the Arm, Shoulder, and Hand (QuickDASH) questionnaire and the visual analog scale (VAS).

Results
 There was no statistically significant difference between groups in the TASD, QuickDASH, and VAS results, and both techniques demonstrated good functional and pain outcomes. No complication required a new surgical approach. We found a positive correlation between TASD and QuickDASH questionnaire scores, suggesting their effectiveness in assessing functionality and disability in subjects with rhizarthrosis.

Conclusion
 Trapeziectomy using the Kuhns technique and tendon interposition proved effective in the surgical treatment of rhizarthrosis. There was no significant difference between the techniques concerning functional outcomes.

Objetivo
 O objetivo deste estudo é avaliar e comparar os resultados clínicos e funcionais de dois procedimentos cirúrgicos realizados em pacientes com rizartrose grave graus III e IV.

Métodos
 Avaliamos 39 pacientes submetidos a 2 técnicas cirúrgicas para o tratamento da rizartrose: trapeziectomia pela técnica de Kuhns ou com interposição tendínea, com mínimo de 6 meses de seguimento. O desfecho primário foi avaliado pelo questionário específico Sintomas e Incapacidade da Artrose Trapeziometacarpiana (Trapeziometacarpal Arthrosis Symptoms and Disability, TASD, em inglês), e os desfechos secundários, pela versão abreviada do Questionário de Incapacidades do Braço, Ombro e Mão (Disabilities of the Arm, Shoulder, and Hand, QuickDASH, em inglês) e a Escala Visual Analógica (EVA).

Resultados
 Não houve diferença estatisticamente significantiva entre os grupos nos resultados do TASD, QuickDASH e EVA e ambas as técnicas demonstraram bons resultados funcionais e da dor. Não houve complicações que necessitassem de nova abordagem cirúrgica. Verificamos uma correlação positiva entre as pontuações no TASD e no QuickDASH, o que sugere que ambos são eficazes na avaliação da funcionalidade e incapacidade da rizartrose.

Conclusão
 A trapeziectomia com técnica de Kuhns e com interposição tendínea se mostraram efetivas no tratamento cirúrgico da rizartrose. Não houve diferença significativa entre as técnicas em relação aos resultados funcionais.

## Full-text entities

- **Diseases:** Trapeziometacarpal Arthrosis (MESH:D010003), pain (MESH:D010146)
- **Species:** Homo sapiens (human, species) [taxon 9606]

## Figures

18 figures with captions in the complete paper: https://tomesphere.com/paper/PMC11374393/full.md

---
Source: https://tomesphere.com/paper/PMC11374393