Evidence map›Paper›PMID 29422029›Full record

ArticleBMC emergency medicine2018

Ultrasound-guided identification of the cricothyroid membrane in a patient with a difficult airway: a case report.

Hiromu Okano, Kohji Uzawa, Kunitaro Watanabe, Akira Motoyasu, Joho Tokumine, Alan Kawarai Lefor, Tomoko Yorozu

Open access · goldAbstract readCase Reports
PubMed Full text at PMC Publisher
In one paragraph

Article in BMC emergency medicine, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.

0numbers the graph read from it
0cells of the map it votes in
4citing papers in PubMed
1.8field-weighted citation impact, top 16% 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

4 citing papers in PubMed, 8 citations in OpenAlex.

  1. Point-of-Care Ultrasound in Airway Management.Journal of clinical medicine · 2026
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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

7 authors at 2 institutions in 1 country.

Hiromu OkanoDepartment of Anesthesiology, Kyorin University School of Medicine, Mailing address: 6-20-2 Shinkawa, Mitaka-shi, Tokyo, 181-8611, Japan.
Kohji UzawaDepartment of Anesthesiology, Kyorin University School of Medicine, Mailing address: 6-20-2 Shinkawa, Mitaka-shi, Tokyo, 181-8611, Japan. kohji.fentanyl@gmail.com.
Kunitaro WatanabeDepartment of Anesthesiology, Kyorin University School of Medicine, Mailing address: 6-20-2 Shinkawa, Mitaka-shi, Tokyo, 181-8611, Japan.
Akira MotoyasuDepartment of Anesthesiology, Kyorin University School of Medicine, Mailing address: 6-20-2 Shinkawa, Mitaka-shi, Tokyo, 181-8611, Japan.
Joho TokumineDepartment of Anesthesiology, Kyorin University School of Medicine, Mailing address: 6-20-2 Shinkawa, Mitaka-shi, Tokyo, 181-8611, Japan.
Alan Kawarai LeforDepartment of Surgery, Jichi Medical University, Mailing address: 3311-1 Yakushiji, Shimotsuke-shi, Tochigi-ken, 329-0498, Japan.
Tomoko YorozuDepartment of Anesthesiology, Kyorin University School of Medicine, Mailing address: 6-20-2 Shinkawa, Mitaka-shi, Tokyo, 181-8611, Japan.
Kyorin University · JPJichi Medical University · JP

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundSurgical cricothyroidotomy is considered to be the last resort for management of the difficult airway. A major point for a successful surgical cricothyroidotomy is to identify the location of the cricothyroid membrane. CASE PRESENTATION: We encountered a patient with progressive respiratory distress who was anticipated to have a difficult airway due to a large neck abscess. We prepared for both awake intubation and surgical cricothyroidotomy. The cricothyroid membrane could not be identified by palpation, but was readily identified using ultrasound.

conclusionUltrasound-guided identification of the cricothyroid membrane may be useful in a patient with a difficult airway due to neck swelling.

Indexed as

AbscessAgedAirway ObstructionFemaleHumansLarynxNeckUltrasonography, InterventionalCricothyroid membraneCricothyroidotomyDifficult airwayUltrasound

Identifiers

PMID29422029
PMCPMC5806288
OpenAlexW2794513837

What OpenQuestion holds

Textmetadata
LicenceCC BY
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.