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Promising results of helium plasma jet therapy: Ruptured Achilles tendon shows faster repair

Ruptured Achilles tendon shows faster repair amid plasma irradiation treatment
The Achilles tendon of a rat is irradiated with non-thermal atmospheric-pressure plasma. Credit: Osaka Metropolitan University

What is the largest ligament in the human body? It might surprise some people that it is the Achilles tendon. Even though it is also considered the toughest ligament, the Achilles tendon can rupture, with many such injuries involving sports enthusiasts in their 30s or 40s. Surgery might be required, and a prolonged period of rest, immobilization, and treatment can be difficult to endure.

Seeking to shorten the , a research team led by Osaka Metropolitan University Graduate School of Medicine's Katsumasa Nakazawa, a graduate student in the Department of Orthopedic Surgery, Associate Professor Hiromitsu Toyoda, and Professor Hiroaki Nakamura, and Graduate School of Engineering Professor Jun-Seok Oh has focused on non-thermal atmospheric-pressure plasma as a treatment method.

The study results were published in PLOS ONE.

This study is the first to show that such plasma irradiation can accelerate tendon repair. The team ruptured then sutured the Achilles tendon of lab rats. For one group of rats, the sutured area was irradiated with a helium plasma jet. The plasma-irradiated group exhibited faster tendon regeneration and increased strength at two, four, and six weeks after compared to the untreated group.

"We have previously discovered that irradiation of non-thermal atmospheric-pressure plasma has the effect of promoting bone regeneration. In this study, we discovered that the technology also promotes tendon regeneration and healing, showing that it has applications for a wide range of fields," Professor Toyoda said.

"Combined with current tendon treatments, it is expected to contribute to more reliable tendon regeneration and shorter time."

More information: Katusmasa Nakazawa et al, In vivo study on the repair of rat Achilles tendon injury treated with non-thermal atmospheric-pressure helium microplasma jet, PLOS ONE (2024). DOI: 10.1371/journal.pone.0301216

Journal information: PLoS ONE
Citation: Promising results of helium plasma jet therapy: Ruptured Achilles tendon shows faster repair (2024, May 21) retrieved 21 June 2024 from https://medicalxpress.com/news/2024-05-results-helium-plasma-jet-therapy.html
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