Evidence map›Paper›PMID 30232551›Full record

Trial reportEuropean archives of oto-rhino-laryngology : official journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery2018

Facial nerve dysfunction after superficial parotidectomy with or without continuous intraoperative electromyographic neuromonitoring: a prospective randomized pilot study.

Agnaldo J Graciano, Carlos A Fischer, Guilherme V Coelho, José H Steck, Jorge R Paschoal, Carlos T Chone

Abstract readRandomized Controlled Trial
PubMed Publisher
In one paragraph

Trial report in European archives of oto-rhino-laryngology : official journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
17citing papers in PubMed, 2 pooled it
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

17 citing papers in PubMed, 2 syntheses or guidelines pooled it.

  1. Pooled it
  2. Facial nerve monitoring during parotid gland surgery: a systematic review and meta-analysis.European archives of oto-rhino-laryngology : official journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery · 2021
    Pooled it
  3. Article
  4. Article
  5. Article
  6. Impact of Surgeon's Experience and Tumor's Nature in the Use of Intraoperative Facial Nerve Monitoring in Superficial Parotidectomy. Preliminary Results from a Single-Center Retrospective Analysis.Indian journal of otolaryngology and head and neck surgery : official publication of the Association of Otolaryngologists of India · 2024
    Article
  7. Article
  8. Article
  9. Predicting postoperative facial nerve paralysis by using intraoperative nerve monitoring during parotid surgery.European archives of oto-rhino-laryngology : official journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery · 2023
    Article
  10. Feasibility of facial nerve monitoring using adhesive surface electrodes during parotidectomy: a comparative study with needle electrodes.European archives of oto-rhino-laryngology : official journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery · 2023
    Article
  11. Review
  12. Patient safety and quality improvements in parotid surgery.World journal of otorhinolaryngology - head and neck surgery · 2022
    Review
  13. Article
  14. Article
  15. Prospective outcomes following drainless superficial parotidectomy with sternocleidomastoid flap reconstruction.Journal of otolaryngology - head & neck surgery = Le Journal d'oto-rhino-laryngologie et de chirurgie cervico-faciale · 2020
    Article
  16. Safety of the "SaxophoneEuropean archives of oto-rhino-laryngology : official journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery · 2020
    Article
  17. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

6 authors.

Agnaldo J GracianoDepartment of Otorhinolaryngology-Head and Neck Surgery, University of Campinas, Rua Tessália Vieira de Camargo, 126, Campinas, SP, CEP 13083-970, Brazil. entbrazil@gmail.com.
Carlos A FischerDivision of Otorhinolaryngology-Head and Neck Surgery, Department of Surgery, Hospital São José, Rua Plácido Gomes, 488, Anita Garibaldi, Joinville, SP, CEP 89202-000, Brazil.
Guilherme V CoelhoDepartment of Otorhinolaryngology-Head and Neck Surgery, University of Campinas, Rua Tessália Vieira de Camargo, 126, Campinas, SP, CEP 13083-970, Brazil.
José H SteckDepartment of Otorhinolaryngology-Head and Neck Surgery, University of Campinas, Rua Tessália Vieira de Camargo, 126, Campinas, SP, CEP 13083-970, Brazil.
Jorge R PaschoalDepartment of Otorhinolaryngology-Head and Neck Surgery, University of Campinas, Rua Tessália Vieira de Camargo, 126, Campinas, SP, CEP 13083-970, Brazil.
Carlos T ChoneDepartment of Otorhinolaryngology-Head and Neck Surgery, University of Campinas, Rua Tessália Vieira de Camargo, 126, Campinas, SP, CEP 13083-970, Brazil.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

purposeThere are no randomized trials comparing the incidence or severity of facial nerve dysfunction after superficial parotidectomy with or without continuous intraoperative electromyographic neuromonitoring. This pilot study aimed to assess the variability in outcomes to help determine the needs and possible ethical issues in a full-scale study.

methodsProspective randomized pilot study comparing the incidence and grade of facial nerve dysfunction among 106 patients subjected to superficial parotidectomy with or without continuous four channels electromyographic neuromonitoring (52 monitored patients and 54 controls).

resultsThe incidences of immediate (38.3% vs. 51.8%, p = 0.1) and late facial dysfunction, up to 180 days following surgery, (3.8% vs. 5.5%, p = 0.4) were similar between monitored patients and controls. Immediate facial nerve dysfunction with a House-Brackmann ≥ grade III was more frequent among the non-monitored patients (57.8% vs. 30%, p = 0.2), and outcomes were significantly poorer in this group (mean sum score of 68.7 vs. 81.5, p = 0.002), when assessed with the regional Sunnybrook scale. A full-scale prospective randomized study to detect a significant reduction in the incidence of immediate facial nerve dysfunction with the use of continuous intraoperative electromyographic neuromonitoring, with 80% power and a 5% significant level, would require 560 patients allocated to the monitored and control groups. Considering a mean rate of 30 patients/year/center, such a study would require the participation of five centers for 4 years.

conclusionsIn the present pilot study, the incidences of immediate and late facial nerve dysfunction were similar between patients with benign parotid tumors subjected to superficial parotidectomy with or without continuous intraoperative electromyographic neuromonitoring. However, immediate facial dysfunction was more severe among the non-monitored patients.

Indexed as

ElectromyographyIntraoperative Neurophysiological MonitoringAdultAgedFacial Nerve DiseasesFacial ParalysisFemaleHumansIncidenceMaleMiddle AgedParotid NeoplasmsPilot ProjectsPostoperative ComplicationsProspective StudiesRetrospective StudiesFacial nerveFacial paralysisIntraoperative monitoringParotid glandParotid neoplasms

Identifiers

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.