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Background <p>Temporomandibular joint (TMJ) arthrocentesis is an effective procedure for lysis and lavage of the joint, typically performed using either double-puncture (DPA) or single-puncture arthrocentesis (SPA) techniques. The SPA technique described by Guarda-Nardini et al. has become one of the most studied and widely used approaches due to its procedural simplicity and reduced trauma.</p> Objective <p>To describe an adaptation of the single-puncture arthrocentesis technique that enhances circuit stability and enables integrated synovial fluid sampling by relying on intra-articular pressure generation.</p> Technique <p>This adaptation uses intra-articular pressure-driven fluid dynamics to maintain consistent lavage with minimal needle repositioning and reduced patient involvement. A straightforward push-and-pull protocol enables macroscopic analysis and semi-qualitative biomarker detection (presence/absence). The technique retains the original benefits of reduced trauma, lower anesthesia requirements, and procedural efficiency while adding diagnostic potential.</p> Conclusion <p>This adaptation enhances single-puncture TMJ arthrocentesis by enabling synovial fluid sampling while maintaining procedural advantages. Further validation is recommended to assess efficacy across different anatomical variants and clinical conditions.</p>

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An Adapted Single-Needle Arthrocentesis Technique for the Temporomandibular Joint to Enhance Circuit Stability and Enable Synovial Fluid Sampling

  • 期刊论文

  • 发表日期：

    2026年2月27日

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  • Nicolás P. Skármeta,
  • Giannina Katzmann,
  • Begoña Moreno,
  • Luca Guarda-Nardini,
  • Daniele Manfredini

摘要

Background

Temporomandibular joint (TMJ) arthrocentesis is an effective procedure for lysis and lavage of the joint, typically performed using either double-puncture (DPA) or single-puncture arthrocentesis (SPA) techniques. The SPA technique described by Guarda-Nardini et al. has become one of the most studied and widely used approaches due to its procedural simplicity and reduced trauma.

Objective

To describe an adaptation of the single-puncture arthrocentesis technique that enhances circuit stability and enables integrated synovial fluid sampling by relying on intra-articular pressure generation.

Technique

This adaptation uses intra-articular pressure-driven fluid dynamics to maintain consistent lavage with minimal needle repositioning and reduced patient involvement. A straightforward push-and-pull protocol enables macroscopic analysis and semi-qualitative biomarker detection (presence/absence). The technique retains the original benefits of reduced trauma, lower anesthesia requirements, and procedural efficiency while adding diagnostic potential.

Conclusion

This adaptation enhances single-puncture TMJ arthrocentesis by enabling synovial fluid sampling while maintaining procedural advantages. Further validation is recommended to assess efficacy across different anatomical variants and clinical conditions.