Evidence map›Paper›PMID 31845085›Full record

ArticleSleep & breathing = Schlaf & Atmung2020

Evaluation of olfactory function in patients with obstructive sleep apnea syndrome.

Süleyman Emre Karakurt, Mehmet Fatih Karakuş, Mustafa Çolak, Şeyda Akbal, Mehmet Ali Çetin, Aykut İkincioğulları, Hacı Hüseyin Dere

Abstract read
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In one paragraph

Article in Sleep & breathing = Schlaf & Atmung, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
5citing papers in PubMed, 1 pooled it
0.4field-weighted citation impact, top 42% 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

5 citing papers in PubMed, 1 synthesis or guideline pooled it, 9 citations in OpenAlex.

  1. Olfactory function in patients with obstructive sleep apnea: a meta-analysis study.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
  2. Article
  3. Article
  4. Article
  5. 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

7 authors at 1 institution in 1 country.

Süleyman Emre KarakurtAnkara Numune Training and Research Hospital ENT & HNS Clinic, Talatpaşa Bulvarı No: 44, 06230, Ankara, Turkey. suleymanemrekarakurt@gmail.com.ORCID http://orcid.org/0000-0002-3394-8119
Mehmet Fatih KarakuşAnkara Numune Training and Research Hospital ENT & HNS Clinic, Talatpaşa Bulvarı No: 44, 06230, Ankara, Turkey.
Mustafa ÇolakAnkara Numune Training and Research Hospital ENT & HNS Clinic, Talatpaşa Bulvarı No: 44, 06230, Ankara, Turkey.
Şeyda AkbalAnkara Numune Training and Research Hospital ENT & HNS Clinic, Talatpaşa Bulvarı No: 44, 06230, Ankara, Turkey.
Mehmet Ali ÇetinAnkara Numune Training and Research Hospital ENT & HNS Clinic, Talatpaşa Bulvarı No: 44, 06230, Ankara, Turkey.
Aykut İkincioğullarıAnkara Numune Training and Research Hospital ENT & HNS Clinic, Talatpaşa Bulvarı No: 44, 06230, Ankara, Turkey.
Hacı Hüseyin DereAnkara Numune Training and Research Hospital ENT & HNS Clinic, Talatpaşa Bulvarı No: 44, 06230, Ankara, Turkey.
Ankara Numune Eğitim ve Araştırma Hastanesi · TR

Funding

Ankara Numune Egitim ve Arastirma Hastanesi 0049/2017
6 · The paper itself

Abstract

purposeTo investigate the pathophysiological mechanisms underlying the effects of obstructive sleep apnea syndrome (OSAS) on olfactory functions.

methodsStudy subjects consisted of patients with newly diagnosed OSAS divided by polysomnography into subgroups of mild, moderate, and severe disease. Subjects identified as not having OSAS served as controls. All subjects were subjected to the Sniffin' Sticks test to evaluate olfactory functions. Control subjects and subgroups with OSAS were compared for sleep characteristics and olfactory scores. In the patient group, correlations were investigated between olfactory scores and polysomnographic parameters.

resultsOf 99 subjects (64 men), there were 20 controls, 23 with mild OSAS, 25 moderate, and 31 severe. There was a decreasing trend from the control group towards the severe subgroup in mean odor threshold, odor discrimination, odor identification, and threshold-discriminationidentification (TDI) scores. In the patient group, there was a strong inverse correlation between AHI and TDI scores (r = - 0.62, p < 0.001). Arousal index and TDI scores had a strong negative correlation (r = - 0.81, p < 0.001). There was a weak positive correlation between the minimum SPO2% and TDI scores (r = 0.34, p = 0.002) and a weak negative correlation between TST <90% and TDI scores (r = - 0.24, p = 0.027).

conclusionThe finding that arousal index showed a stronger correlation with odor scores than with hypoxemia-related parameters suggests that sleep fragmentation may be a more prominent mechanism underlying the pathophysiology of olfactory malfunction in patients with OSAS.

Indexed as

AdultFemaleHumansMaleMiddle AgedOlfaction DisordersPolysomnographySeverity of Illness IndexSleep Apnea, ObstructiveObstructive sleep apneaOlfaction disordersPolysomnographySleep fragmentationSmellSniffin’ Sticks

Identifiers

PMID31845085
OpenAlexW2995307569

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.