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Lateral pharyngoplasty techniques for obstructive sleep apnea syndrome: a comparative experimental stress test of two different techniques

  • Head and Neck
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European Archives of Oto-Rhino-Laryngology Aims and scope Submit manuscript

Abstract

Purpose

To show the different effects of expansion sphincter pharyngoplasty (ESP) and barbed reposition pharyngoplasty (BRP) on muscle tension and muscle fiber tearing using a comparative experimental stress test with a frog thigh muscle model.

Methods

Frog thigh muscle was used for this experimental study. A Barbed suture was used to simulate the BRP pharyngoplasty whereas a Vicryl 3-0 suture was used to simulate the ESP technique. The other extremity of the suture was attached to traction scales. The traction scales were used to measure the weight relative to the amount of force required to obtain muscle breaking. Both surgical techniques were simulated on the frog muscle. Traction was performed until muscle breaking was observed, measuring the value of force needed to obtain muscle rupture.

Results

Specimen muscle breakdown in the ESP simulation occurred with an average value of 0.7 kg of traction force. Contrarily, specimen muscle breakdown in the BRP simulation with Barbed suture occurred with an average value of 1.5 kg of traction force

Conclusion

During simulation of the ESP technique, specimen muscle breakdown occurred with an average value of traction force lower than in the BRP technique. During traction the multiple lateral sustaining suture loops of BRP could ensure greater stability then the single pulling tip suture of ESP with minor risk of muscle fiber damage.

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Funding

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Authors and Affiliations

  1. Department of ‘Organi Di Senso’, University “Sapienza”, Via Satrico 7, 00183, Rome, Italy

    Giannicola Iannella & Giuseppe Magliulo

  2. Department of Head-Neck Surgery, Otolaryngology, Head-Neck and Oral Surgery Unit, Morgagni Pierantoni Hospital, Forlì, Italy

    Giannicola Iannella, Andrea De Vito, Giuseppe Meccariello, Giovanni Cammaroto & Claudio Vicini

  3. Department of ENT, University of Catania, Catania, Italy

    Milena Di Luca & Antonino Maniaci

  4. Department ENT and Audiology, University of Ferrara, Ferrara, Italy

    Stefano Pelucchi, Anna Bonsembiante & Claudio Vicini

Authors
  1. Giannicola Iannella
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  2. Giuseppe Magliulo
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  3. Milena Di Luca
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  4. Andrea De Vito
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  5. Giuseppe Meccariello
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  6. Giovanni Cammaroto
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  7. Stefano Pelucchi
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  8. Anna Bonsembiante
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  9. Antonino Maniaci
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  10. Claudio Vicini
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Corresponding author

Correspondence to Giannicola Iannella.

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The authors declare that they have no conflict of interest.

Ethical approval

All procedures performed in studies are in accordance with the animal ethical approval.

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All procedures performed in studies are in accordance with the ethical standards of the Morgagni Pierantoni Hospital institutional committee.

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This article is part of the Topical Collection on sleep apnea syndrome Guest Editors: Manuele Casale, Rinaldi Vittorio.

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Iannella, G., Magliulo, G., Di Luca, M. et al. Lateral pharyngoplasty techniques for obstructive sleep apnea syndrome: a comparative experimental stress test of two different techniques. Eur Arch Otorhinolaryngol 277, 1793–1800 (2020). https://doi.org/10.1007/s00405-020-05883-2

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  • DOI: https://doi.org/10.1007/s00405-020-05883-2

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