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  • Revolutionary Laser...

Revolutionary Laser Therapy Offers Hope for Snakebite Victims: JAMA

Written By : Dr.Niharika Harsha B |Medically Reviewed By : Dr. Kamal Kant Kohli Published On 2023-12-11T16:00:43+05:30  |  Updated On 12 Dec 2023 11:41 AM IST
Revolutionary Laser Therapy Offers Hope for Snakebite Victims: JAMA
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In a groundbreaking clinical trial conducted at the Fundacao de Medicina Tropical Doutor Heitor Vieira Dourado in Manaus, Brazil, researchers have explored the potential of low-level laser therapy (LLLT) in alleviating the local effects of Bothrops venom, known for causing rapid tissue damage in snakebite victims. They found that LLLT was safe and feasible for reducing muscle damage and the local inflammatory process caused by B atrox envenomations.

The study results were published in the journal JAMA Internal Medicine.

Also Read: Bleomycin and lidocaine delivered via needle-free EPI viable treatment of recalcitrant keloids

Snakebite envenomations (SBEs) are considered a disease of poverty. Bothrops venom envenomated by Bothrops atrox is the most prevalent venomous snake in the Brazilian Amazon. This acts almost immediately at the bite site and causes tissue damage. Besides antivenom therapy, photobiomodulation therapy has shown promising results for treating venom effects caused by snake venom. Hence, researchers from Manaus, Brazil conducted a study to investigate the feasibility and explore the safety and efficacy of low-level laser therapy (LLLT) in reducing the local manifestations of B atrox envenomations.

The study, a double-blind randomized clinical trial, enrolled 60 adult participants between November 2020 and March 2022, with half receiving LLLT in conjunction with regular antivenom treatment and the other half undergoing antivenom treatment alone. The primary objective was to investigate the feasibility, safety, and efficacy of LLLT in reducing the immediate impact of Bothrops envenomations.

Bothrops venom acts swiftly at the bite site, causing significant tissue damage. The common complaints associated with such snakebites include tinnitus, reduced sound-level tolerance, and difficulty hearing in noisy environments. The severity of these symptoms prompted researchers to explore innovative approaches to mitigate the complications associated with Bothrops envenomations.

In the intervention group, patients received LLLT using a gallium arsenide laser with infrared and red laser emitters. The application involved delivering 4 J/cm2 for 40 seconds at each point. The trial assessed various outcomes, including myolysis estimated by creatine kinase levels, pain intensity, circumference measurement ratio, extent of edema, temperature differences at the bite site, need for analgesics, frequency of secondary infections, necrosis, and disability assessment after discharge.

Findings:

  • Results from the study, analyzed between August and December 2022, demonstrated the feasibility and safety of LLLT in a hospital setting.
  • Patient retention and acceptability were notably high.
  • Significantly, creatine kinase levels were lower in the LLLT group 48 hours after admission compared to the comparator group.
  • Pain intensity, circumference measurement ratio, and edema extent were also significantly lower in the LLLT group, highlighting the potential of laser therapy in reducing muscle damage and local inflammatory processes caused by Bothrops envenomations.
  • Importantly, the study found no significant difference between the groups regarding secondary infections, necrosis, disability outcomes, or the frequency of needing analgesics.
  • No adverse events were observed during the trial.
Also Read: Laser speckle contrast imaging may accurately monitor anterior segment perfusion during strabismus surgery

These groundbreaking findings suggest that LLLT could represent a pivotal intervention in snakebite management, offering hope for quicker recovery and reduced complications associated with Bothrop's envenomations. As researchers delve deeper into the potential of laser therapy, it opens up new avenues for future therapeutics, ultimately contributing to more effective treatments for snakebite victims.

Further reading: Carvalho ÉDS, Souza ARDN, Melo DFC, et al. Photobiomodulation Therapy to Treat Snakebites Caused by Bothrops atrox: A Randomized Clinical Trial. JAMA Intern Med. Published online December 04, 2023. doi:10.1001/jamainternmed.2023.6538

JAMA Internal MedicineJAMASnake venomlow-level laser therapy
Source : JAMA Internal Medicine
Dr.Niharika Harsha B
Dr.Niharika Harsha B

    BDS, MDS

    Dr.Niharika Harsha B (BDS,MDS) completed her BDS from Govt Dental College, Hyderabad and MDS from Dr.NTR University of health sciences(Now Kaloji Rao University). She has 4 years of private dental practice and worked for 2 years as Consultant Oral Radiologist at a Dental Imaging Centre in Hyderabad. She worked as Research Assistant and scientific writer in the development of Oral Anti cancer screening device with her seniors. She has a deep intriguing wish in writing highly engaging, captivating and informative medical content for a wider audience. She can be contacted at editorial@medicaldialogues.in.

    Dr. Kamal Kant Kohli
    Dr. Kamal Kant Kohli

    Dr Kamal Kant Kohli-MBBS, DTCD- a chest specialist with more than 30 years of practice and a flair for writing clinical articles, Dr Kamal Kant Kohli joined Medical Dialogues as a Chief Editor of Medical News. Besides writing articles, as an editor, he proofreads and verifies all the medical content published on Medical Dialogues including those coming from journals, studies,medical conferences,guidelines etc. Email: drkohli@medicaldialogues.in. Contact no. 011-43720751

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