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Active Noise-Cancelling Headphones With Closed-Loop Communication During Arthroscopic ACL Reconstruction (ANC-ACL-2026)

6 september 2026 uppdaterad av: Muhammet Sivritaş, Fatih Sultan Mehmet Training and Research Hospital

Effect of Active Noise-Cancelling Headphones With Closed-Loop Communication on Operative Efficiency During Arthroscopic Anterior Cruciate Ligament Reconstruction: A Randomized Controlled Trial

Operating room noise may interfere with communication, concentration, and surgical workflow. Active noise-cancelling (ANC) headphones can reduce background auditory distractions; however, their potential benefit during surgery may depend on maintaining effective communication among surgical team members. This prospective randomized controlled trial evaluates the effect of ANC headphones integrated with a closed-loop communication system on operative efficiency and intraoperative workflow during arthroscopic anterior cruciate ligament (ACL) reconstruction. Participants undergoing primary arthroscopic ACL reconstruction are randomized to either an ANC group or a control group. In the ANC group, the surgeon, first assistant, and scrub nurse use ANC headphones connected through a closed-loop communication system during surgery. The control group undergoes surgery under standard operating room conditions. The primary outcome is operative time from skin incision to skin closure. Secondary outcomes include command acknowledgment time, instrument handover time, and repeated verbal requests assessed using objective video-based workflow analysis.

Studieöversikt

Status

Aktiv, inte rekryterande

Betingelser

Intervention / Behandling

Detaljerad beskrivning

Operating room noise represents a potential source of distraction and may interfere with effective communication, concentration, coordination, and surgical workflow. Active noise-cancelling headphones can reduce perceived background auditory stimuli; however, conventional noise-cancelling devices may also interfere with communication when used without a dedicated communication system.

This prospective, single-center, randomized controlled trial evaluates whether active noise-cancelling headphones integrated with a closed-loop communication system improve operative efficiency and intraoperative workflow during arthroscopic anterior cruciate ligament reconstruction.

Patients undergoing primary arthroscopic ACL reconstruction for isolated ACL rupture are randomized in a 1:1 ratio to an intervention group or a control group.

In the intervention group, the surgeon, first assistant, and scrub nurse use active noise-cancelling headphones connected through a closed-loop communication system throughout the surgical procedure. This system is designed to reduce perceived background auditory distractions while maintaining continuous verbal communication among the core surgical team. The anesthesia team does not use headphones and maintains awareness of monitor alarms, ventilator alarms, and operating room announcements. When required, communication between the anesthesia and surgical teams occurs using standard verbal communication.

In the control group, arthroscopic ACL reconstruction is performed under standard operating room conditions without active noise-cancelling headphones or an additional closed-loop communication system.

All procedures are performed using a standardized single-bundle hamstring autograft ACL reconstruction technique, standardized instrumentation, fixation systems, arthroscopic equipment, and operating room setup.

The primary objective is to evaluate the effect of ANC-assisted closed-loop communication on operative time. Secondary objectives include assessment of objective communication and workflow parameters, including command acknowledgment time, instrument handover time, and repeated verbal requests.

Studietyp

Interventionell

Inskrivning (Faktisk)

54

Fas

  • Inte tillämpbar

Kontakter och platser

Det här avsnittet innehåller kontaktuppgifter för dem som genomför studien och information om var denna studie genomförs.

Studieorter

  • Turkiet (Türkiye)
      • Istanbul, Turkiet (Türkiye), 340000
        • Istanbul Provincial Health Directorate Fatih Sultan Mehmet Training and Research Hospital

Deltagandekriterier

Forskare letar efter personer som passar en viss beskrivning, så kallade behörighetskriterier. Några exempel på dessa kriterier är en persons allmänna hälsotillstånd eller tidigare behandlingar.

Urvalskriterier

Åldrar som är berättigade till studier

  • Vuxen

Tar emot friska volontärer

Nej

Beskrivning

Inclusion Criteria:

  • Age between 18 and 50 years
  • Primary arthroscopic anterior cruciate ligament reconstruction
  • Isolated ACL rupture confirmed by clinical examination and magnetic resonance imaging
  • Ability to provide written informed consent

Exclusion Criteria:

  • Concomitant meniscal injury
  • Multiligament knee injury
  • Previous ipsilateral knee surgery
  • Concomitant fracture
  • Concomitant cartilage restoration procedure
  • Concomitant osteotomy
  • Revision ACL reconstruction
  • American Society of Anesthesiologists physical status greater than III

Studieplan

Det här avsnittet ger detaljer om studieplanen, inklusive hur studien är utformad och vad studien mäter.

Hur är studien utformad?

Designdetaljer

  • Primärt syfte: Övrig
  • Tilldelning: Randomiserad
  • Interventionsmodell: Parallellt uppdrag
  • Maskning: Ingen (Open Label)

Vapen och interventioner

Deltagargrupp / Arm
Intervention / Behandling
Experimentell: ANC With Closed-Loop Communication
Participants undergo arthroscopic ACL reconstruction while the surgeon, first assistant, and scrub nurse use active noise-cancelling headphones connected through a closed-loop communication system. The system allows continuous verbal communication among the core surgical team while reducing perceived background auditory distractions.
Enhet: Active Noise-Cancelling Headphones With Closed-Loop Communication
Active noise-cancelling headphones connected through a closed-loop communication system are used by the surgeon, first assistant, and scrub nurse throughout arthroscopic ACL reconstruction. The system is intended to reduce perceived background auditory distractions while maintaining continuous verbal communication among the core surgical team.
Aktiv komparator: Standard Operating Room Communication
Participants undergo the same standardized arthroscopic anterior cruciate ligament reconstruction under routine operating room conditions. The surgeon, first assistant, and scrub nurse communicate using standard verbal communication without active noise-cancelling headphones or a dedicated closed-loop communication system.
Övrig: Standard Operating Room Communication
The surgical team performs arthroscopic ACL reconstruction under routine operating room conditions and communicates using standard verbal communication without active noise-cancelling headphones or a dedicated closed-loop communication system.

Vad mäter studien?

Primära resultatmått

Resultatmått
Åtgärdsbeskrivning
Tidsram
Operation Time
Tidsram: Intraoperative, from skin incision to completion ofskin closure
Operative time is defined as the elapsed time from skin incision to completion of skin closure and is measured in minutes.
Intraoperative, from skin incision to completion ofskin closure

Sekundära resultatmått

Resultatmått
Åtgärdsbeskrivning
Tidsram
Command Acknowledgment Time
Tidsram: Intraoperative, during predefined standardized instrument-request events
Command acknowledgment time is defined as the interval between the surgeon's verbal request and the first verbal acknowledgment by the first assistant or scrub nurse. Measurements are obtained from video recordings of predefined standardized intraoperative communication events.
Intraoperative, during predefined standardized instrument-request events
Instrument Handover Time
Tidsram: Intraoperative, during predefined standardized instrument-request events
Instrument handover time is defined as the interval between the surgeon's verbal request for an instrument and physical delivery of the requested instrument. Measurements are obtained from video recordings of predefined standardized intraoperative instrument-request events.
Intraoperative, during predefined standardized instrument-request events
Repeated Verbal Requests
Tidsram: Intraoperative, during the surgical procedure
A repeated verbal request is defined as any verbal request repeated because of an absent, delayed, or inadequate response. The number of repeated requests is determined using video recordings of predefined standardized intraoperative communication events.
Intraoperative, during the surgical procedure

Samarbetspartners och utredare

Det är här du hittar personer och organisationer som är involverade i denna studie.

Sponsor

Fatih Sultan Mehmet Training and Research Hospital

Utredare

  • Huvudutredare: ONUR GULTEKIN, MD, FATIH SULTAN MEHMET RESEARCH AND TRANING HOSPITAL

Publikationer och användbara länkar

Den som ansvarar för att lägga in information om studien tillhandahåller frivilligt dessa publikationer. Dessa kan handla om allt som har med studien att göra.

Allmänna publikationer

Studieavstämningsdatum

Dessa datum spårar framstegen för inlämningar av studieposter och sammanfattande resultat till ClinicalTrials.gov. Studieposter och rapporterade resultat granskas av National Library of Medicine (NLM) för att säkerställa att de uppfyller specifika kvalitetskontrollstandarder innan de publiceras på den offentliga webbplatsen.

Studera stora datum

Studiestart (Faktisk)

25 april 2026

Primärt slutförande (Beräknad)

5 oktober 2026

Avslutad studie (Beräknad)

15 december 2026

Studieregistreringsdatum

Först inskickad

11 maj 2026

Först inskickad som uppfyllde QC-kriterierna

11 maj 2026

Första postat (Faktisk)

15 maj 2026

Uppdateringar av studier

Senaste uppdatering publicerad (Faktisk)

10 september 2026

Senaste inskickade uppdateringen som uppfyllde QC-kriterierna

6 september 2026

Senast verifierad

1 september 2026

Mer information

Termer relaterade till denna studie

Nyckelord

Ytterligare relevanta MeSH-villkor

Andra studie-ID-nummer

  • ANC-ACL-26

Plan för individuella deltagardata (IPD)

Planerar du att dela individuella deltagardata (IPD)?

NEJ

IPD-planbeskrivning

Individual participant data are not planned to be publicly shared.

Läkemedels- och apparatinformation, studiedokument

Studerar en amerikansk FDA-reglerad läkemedelsprodukt

Nej

Studerar en amerikansk FDA-reglerad produktprodukt

Nej

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