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Low-Current Stimulation for Recurrent Laryngeal Nerve Protection During Thyroid Surgery

10. juli 2026 oppdatert av: Siqi Li, The Second Affiliated Hospital of Kunming Medical University

Clinical Utility of Low-Current Stimulation for Recurrent Laryngeal Nerve Protection During Thyroid Surgery: A Single-Center Prospective Randomized Interventional Study

This single-center prospective randomized interventional study evaluated whether intraoperative low-current stimulation could assist recurrent laryngeal nerve localization and reduce temporary recurrent laryngeal nerve injury during thyroid surgery.

Studieoversikt

Status

Fullført

Forhold

Intervensjon / Behandling

Detaljert beskrivelse

A total of 150 patients undergoing thyroid surgery at the Second Affiliated Hospital of Kunming Medical University were randomly allocated in a 1:1:1 ratio to conventional anatomical identification, 3 mA low-current stimulation, or 5 mA low-current stimulation. All participants underwent preoperative and postoperative electronic laryngoscopy. The primary outcome was temporary recurrent laryngeal nerve injury. Secondary outcomes included permanent recurrent laryngeal nerve injury, operative duration, intraoperative blood loss, postoperative hospital stay, and stimulation-related adverse events.

Studietype

Intervensjonell

Registrering (Faktiske)

150

Fase

  • Ikke aktuelt

Kontakter og plasseringer

Denne delen inneholder kontaktinformasjon for de som utfører studien, og informasjon om hvor denne studien blir utført.

Studiesteder

  • Kina
    • Yunnan
      • Kunming, Yunnan, Kina, 650000
        • The Second Affiliated Hospital of Kunming Medical University

Deltakelseskriterier

Forskere ser etter personer som passer til en bestemt beskrivelse, kalt kvalifikasjonskriterier. Noen eksempler på disse kriteriene er en persons generelle helsetilstand eller tidligere behandlinger.

Kvalifikasjonskriterier

Alder som er kvalifisert for studier

  • Voksen
  • Eldre voksen

Tar imot friske frivillige

Nei

Beskrivelse

Inclusion Criteria:

  • Patients scheduled for thyroid surgery.
  • No history of prior thyroid or neck surgery.
  • Normal bilateral vocal cord mobility on preoperative electronic laryngoscopy.
  • Written informed consent provided before enrollment.

Exclusion Criteria:

  • Preoperative recurrent laryngeal nerve dysfunction.
  • Previous neck surgery.
  • Incomplete clinical data.
  • Severe comorbidities precluding standardized perioperative assessment.

Studieplan

Denne delen gir detaljer om studieplanen, inkludert hvordan studien er utformet og hva studien måler.

Hvordan er studiet utformet?

Designdetaljer

  • Primært formål: Forebygging
  • Tildeling: Randomisert
  • Intervensjonsmodell: Parallell tildeling
  • Masking: Ingen (Open Label)

Våpen og intervensjoner

Deltakergruppe / Arm
Intervensjon / Behandling
Ingen inngripen: Control group
Participants underwent conventional anatomical identification and preservation of the recurrent laryngeal nerve during thyroid surgery.
Eksperimentell: 3 mA group
Participants underwent 3 mA low-current stimulation-assisted recurrent laryngeal nerve identification in addition to conventional anatomical identification.
Fremgangsmåte: 3 mA low-current stimulation-assisted recurrent laryngeal nerve identification
Low-current stimulation at 3 mA was used as an adjunct to anatomical recurrent laryngeal nerve identification. Response was judged according to visible or palpable laryngeal twitch.
Eksperimentell: 5 mA group
Participants underwent 5 mA low-current stimulation-assisted recurrent laryngeal nerve identification in addition to conventional anatomical identification.
Fremgangsmåte: 5 mA low-current stimulation-assisted recurrent laryngeal nerve identification
Low-current stimulation at 5 mA was used as an adjunct to anatomical recurrent laryngeal nerve identification. Response was judged according to visible or palpable laryngeal twitch.

Hva måler studien?

Primære resultatmål

Resultatmål
Tiltaksbeskrivelse
Tidsramme
Number of Participants With Permanent Recurrent Laryngeal Nerve Injury Confirmed by Electronic Laryngoscopy
Tidsramme: 6 months after surgery
Permanent recurrent laryngeal nerve injury is defined as unilateral or bilateral vocal cord paresis or paralysis detected after surgery and still present at the 6-month postoperative assessment, as confirmed by electronic laryngoscopy. The number of participants meeting this definition will be reported.
6 months after surgery

Sekundære resultatmål

Resultatmål
Tiltaksbeskrivelse
Tidsramme
Number of Participants With Vocal Cord Paresis or Paralysis Persisting at 6 Months, as Assessed by Electronic Laryngoscopy
Tidsramme: 6 months after surgery
Permanent recurrent laryngeal nerve injury is defined as unilateral or bilateral vocal cord paresis or paralysis detected after surgery and still present at the 6-month postoperative assessment, as confirmed by electronic laryngoscopy. The number of participants meeting this definition will be reported.
6 months after surgery
Total Operative Duration in Minutes
Tidsramme: Intraoperative period
Total operative duration will be measured in minutes from the initial skin incision to completion of skin closure.
Intraoperative period
Intraoperative blood loss
Tidsramme: Intraoperative period
Estimated intraoperative blood loss measured in milliliters.
Intraoperative period
Duration of Postoperative Hospital Stay in Days
Tidsramme: From the date of surgery until hospital discharge, assessed up to 30 days after surgery
Postoperative hospital stay will be calculated as the number of calendar days from the date of surgery to the date of hospital discharge.
From the date of surgery until hospital discharge, assessed up to 30 days after surgery
Number of Participants With Stimulation-Related Adverse Events
Tidsramme: From initiation of intraoperative nerve stimulation through 30 days after surgery
The number of participants experiencing at least one stimulation-related adverse event will be reported. Stimulation-related adverse events include suspected thermal injury, arrhythmia, hemodynamic instability, muscle burn, overstimulation, or suspected false-negative nerve localization, as documented in the intraoperative and postoperative medical records.
From initiation of intraoperative nerve stimulation through 30 days after surgery

Samarbeidspartnere og etterforskere

Det er her du vil finne personer og organisasjoner som er involvert i denne studien.

Sponsor

The Second Affiliated Hospital of Kunming Medical University

Etterforskere

  • Hovedetterforsker: Siqi Li, The Second Affiliated Hospital of Kunming Medical University

Studierekorddatoer

Disse datoene sporer fremdriften for innsending av studieposter og sammendragsresultater til ClinicalTrials.gov. Studieposter og rapporterte resultater gjennomgås av National Library of Medicine (NLM) for å sikre at de oppfyller spesifikke kvalitetskontrollstandarder før de legges ut på det offentlige nettstedet.

Studer hoveddatoer

Studiestart (Faktiske)

1. juni 2024

Primær fullføring (Faktiske)

1. mars 2025

Studiet fullført (Faktiske)

1. mars 2025

Datoer for studieregistrering

Først innsendt

26. juni 2026

Først innsendt som oppfylte QC-kriteriene

10. juli 2026

Først lagt ut (Faktiske)

16. juli 2026

Oppdateringer av studieposter

Sist oppdatering lagt ut (Faktiske)

16. juli 2026

Siste oppdatering sendt inn som oppfylte QC-kriteriene

10. juli 2026

Sist bekreftet

1. juli 2026

Mer informasjon

Begreper knyttet til denne studien

Nøkkelord

Ytterligere relevante MeSH-vilkår

Andre studie-ID-numre

  • RLN-LCS-2024-001

Plan for individuelle deltakerdata (IPD)

Planlegger du å dele individuelle deltakerdata (IPD)?

NEI

Legemiddel- og utstyrsinformasjon, studiedokumenter

Studerer et amerikansk FDA-regulert medikamentprodukt

Nei

Studerer et amerikansk FDA-regulert enhetsprodukt

Nei

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