ArticleArchives of orthopaedic and trauma surgery2024
The temperature profile in elbow arthroscopy using radiofrequency ablation.
Article in Archives of orthopaedic and trauma surgery, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
introductionOver the last decades, arthroscopic surgery has become increasingly relevant as its minimally invasive approach offers many benefits. To investigate the risks of orthoscopic surgery at the elbow, this study aimed to investigate the development of temperatures in elbow joints while performing radiofrequency ablation in arthroscopic surgery. MATERIALS AND
methodsWe performed standard arthroscopic surgeries with posterolateral, transtricipital and anterolateral approaches on seven cadaveric elbows and performed ablation on predefined locations with or without irrigation. Two temperature probes were positioned into the olecranon fossa and between the ulnar nerve and the medial joint capsule. The temperature data were recorded using a real-time data logger. A bipolar radiofrequency ablation (bRFA) device was used at the medial and lateral recess and in the fossa olecrani over a defined period. Data was then analyzed using Matlab.
resultsUsing bRFA without irrigation results in rapidly increasing temperature within the joint. A significant temperature increase was found within only 5 s without irrigation (p = 0.0052) in the fossa olecrani. We did not observe critical temperatures above 41 °C close to the ulnar nerve within 30 s under constant irrigation (p = 0.0747).
conclusionsRadiofrequency ablation (RFA) can be safely used in elbow arthroscopy with irrigation. The continuous use without irrigation should be limited to 3 s. Despite the anatomical proximity of the ulnar nerve and capsule, we were able to show that a possible rise in temperature most likely does not affect the ulnar nerve.
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