Auswirkung der Hochfrequenzapplikation auf den Zungengrund

The beneficial use of heat in the context of medical treatments was documented even in ancient times. The development of high-frequency alternating current generators led to actual electrosurgery, in which primary heating of the tissue takes place. In day-to-day clinical practice electrosurgery is used for coagulation and for electrotomies. There are both unipolar and bipolar techniques for these procedures. When a unipolar technique is used the active electrode is in the tip of the instrument and the patient plate is usually affixed to the patient's skin at a site outside the operating field. The bipolar technique differs in that there are no electrodes that need to be attached externally; both poles are contained inside the operating instrument, e.g. in the two prongs of a forceps. In radiofrequency surgery high-frequency electrical energy is applied directly into the tissue by a unipolar or bipolar technique. In this way it is possible to cause interstitial tissue lesions while sparing the superficial mucous membranes.

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Elektrochirurgische Konzepte in der HNO-Heilkunde

Bran

Moch

Hörmann

et al. 2007

HNO

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Radiofrequency ablation in snoring surgery: local tissue effects and safety measures

Virk

Kumar

Al-Okati

et al. 2014

Eur Arch Otorhinolaryngol

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Radiofrequency ablation is now widely used in the treatment of patients with snoring and obstructive sleep apnoea. It is well suited to the multilevel approach typically required in snoring surgery and can be used interstitially or in cutting mode. However, no research has been performed to analyse the collateral local tissue damage or size of lesions induced by radiofrequency application. This is the first study of the histological effects of interstitial radiofrequency. We studied the size of tissue lesions generated at differing power settings with and without local anaesthetic application in human tonsils and chicken breast tissue. The size of the lesion was independent of power setting and local anaesthetic infiltration. The typical effect was an oval-shaped lesion centred on the active electrode, 6-7 mm in width and 7-8 mm in length. This was confirmed histopathologically, with smaller lesions generated in the submucosa (2 × 3 mm) but with no collateral tissue damage beyond this distinct zone of injury. To avoid complications, we recommend placing contiguous radiofrequency applications at least 8 mm apart. Post-nasal space packing raises and tautens the soft palate. The use of local anaesthetic increases interstitial volume, thereby reducing the risk of incorrect probe placement and resultant ulceration or fistulation.

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MR-Volumetrie der Zunge zur Abschätzung der individuellen Zungengröße

Ludescher

Knebel

Hoffmann

et al. 2006

Mund Kiefer GesichtsChir

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Auswirkung der Hochfrequenzapplikation auf den Zungengrund

Abstract: The new radio-frequency needle electrode can reduce tongue volume in a precise and controlled manner (SD+/-15%).

Cited by 3 publications

References 14 publications

Elektrochirurgische Konzepte in der HNO-Heilkunde

Elektrochirurgische Konzepte in der HNO-Heilkunde

Radiofrequency ablation in snoring surgery: local tissue effects and safety measures

MR-Volumetrie der Zunge zur Abschätzung der individuellen Zungengröße

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