Evidence map›Paper›PMID 28035477›Full record

Trial reportLangenbeck's archives of surgery2017

Contribution of intraoperative neural monitoring to preservation of the external branch of the superior laryngeal nerve: a randomized prospective clinical trial.

Mehmet Uludag, Nurcihan Aygun, Kinyas Kartal, Bulent Citgez, Evren Besler, Gurkan Yetkin, Cemal Kaya, Hamdi Ozsahin, Mehmet Mihmanli, Adnan Isgor

Abstract readComparative StudyRandomized Controlled Trial
PubMed Publisher
In one paragraph

Trial report in Langenbeck's archives of surgery, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 27 papers, 3 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
27citing papers in PubMed, 3 pooled it
3.5field-weighted citation impact, top 8% of its field
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

27 citing papers in PubMed, 3 syntheses or guidelines pooled it, 57 citations in OpenAlex.

  1. Guideline
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  5. Article
  6. Role of Intraoperative Neuromonitoring to Identify External Branch of Superior Laryngeal Nerve During Thyroidectomy.Indian journal of otolaryngology and head and neck surgery : official publication of the Association of Otolaryngologists of India · 2025
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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

10 authors at 2 institutions in 1 country.

Mehmet UludagGeneral Surgery, Sisli Hamidiye Etfal Training and Research Hospital, Istanbul, Turkey. drmuludag@hotmail.com.
Nurcihan AygunGeneral Surgery, Sisli Hamidiye Etfal Training and Research Hospital, Istanbul, Turkey.
Kinyas KartalGeneral Surgery, Sisli Hamidiye Etfal Training and Research Hospital, Istanbul, Turkey.
Bulent CitgezGeneral Surgery, Sisli Hamidiye Etfal Training and Research Hospital, Istanbul, Turkey.
Evren BeslerGeneral Surgery, Sisli Hamidiye Etfal Training and Research Hospital, Istanbul, Turkey.
Gurkan YetkinGeneral Surgery, Sisli Hamidiye Etfal Training and Research Hospital, Istanbul, Turkey.
Cemal KayaGeneral Surgery, Sisli Hamidiye Etfal Training and Research Hospital, Istanbul, Turkey.
Hamdi OzsahinGeneral Surgery, Sisli Hamidiye Etfal Training and Research Hospital, Istanbul, Turkey.
Mehmet MihmanliGeneral Surgery, Sisli Hamidiye Etfal Training and Research Hospital, Istanbul, Turkey.
Adnan IsgorGeneral Surgery, Bahcesehir University Medical Faculty, Istanbul, Turkey.
Şişli Etfal Eğitim ve Araştırma Hastanesi · TRBahçeşehir University · TR

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

purposeThe purpose of this study was to evaluate the effect of intraoperative neuromonitoring (IONM) on the injury rate of the external branch of the superior laryngeal nerve (EBSLN) during thyroidectomy.

methodsA total of 133 consenting patients (98 female, 35 male; mean age, 45.6 ± 11.7 years) undergoing thyroidectomy were randomly assigned to 2 groups. In group 1 (n = 65 patients, 105 nerves), superior thyroid pole dissection was performed with no attempt to identify the EBSLN; in group 2 (n = 68 patients, 106 nerves), IONM was used to identify the EBSLN during surgery. EBSLN function was evaluated by intraoperative electromyography of the cricothyroid muscle. The EBSLN Voice Impairment Index-5 (VII-5) was conducted preoperatively and at 1, 3, and 6 months postoperatively. The primary outcome was the prevalence of EBSLN injury. The secondary outcomes were the identification rate of the EBSLN using IONM and changes in postoperative voice performance.

resultsEBSLN injury was detected in eight (12.3%) patients and nine (8.6%) nerves in group 1 and in one (1.5%) patient and one (0.9%) nerve in group 2 (patients, p = 0.015; nerves, p = 0.010). IONM contributed significantly to visual (p < 0.001) and functional (p < 0.001) nerve identification in group 2. The VII-5 indicated more voice changes in group 1 than 2 at 1, 3, and 6 months postoperatively (p = 0.012, p = 0.015, and p = 0.02, respectively).

conclusionIONM contributes to visual and functional identification of the EBSLN and decreases the rate of EBSLN injury during superior pole dissection. Routine use of IONM to identify the EBSLN will minimize the risk of injury during thyroidectomy.

Indexed as

AdultAgedElectromyographyFemaleFollow-Up StudiesHumansLaryngeal Nerve InjuriesMaleMiddle AgedMonitoring, IntraoperativeProspective StudiesReference ValuesRisk AssessmentThyroidectomyThyroid GlandTreatment OutcomeCernea classificationCricothyroid muscleEBSLNEBSLN injuryExternal branch of the superior laryngeal nerveFriedman classificationIntraoperative electromyographyIntraoperative neuromonitoringNerve identificationVoice change

Identifiers

PMID28035477
OpenAlexW2562679313

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

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.