Evidence map›Paper›PMID 35652859›Full record

ArticleJournal of diabetes investigation2022

Progressive loss of corneal nerve fibers is associated with physical inactivity and glucose lowering medication associated with weight gain in type 2 diabetes.

Georgios Ponirakis, Ibrahim Al-Janahi, Einas Elgassim, Hoda Gad, Ioannis N Petropoulos, Adnan Khan, Hamda Ali, Mashhood A Siddique, Wajiha Gul, Maryam Ferdousi and 21 more

Open access · goldAbstract read
In one paragraph

Article in Journal of diabetes investigation, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.

0numbers the graph read from it
0cells of the map it votes in
11citing papers in PubMed
3.2field-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

11 citing papers in PubMed, 16 citations in OpenAlex.

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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

31 authors at 7 institutions in 3 countries.

Georgios PonirakisDepartment of Medicine, Weill Cornell Medicine-Qatar, Qatar Foundation, Doha, Qatar.ORCID https://orcid.org/0000-0002-6936-1248
Ibrahim Al-JanahiNational Diabetes Center, Hamad General Hospital, Hamad Medical Corporation, Doha, Qatar.
Einas ElgassimDepartment of Medicine, Weill Cornell Medicine-Qatar, Qatar Foundation, Doha, Qatar.
Hoda GadDepartment of Medicine, Weill Cornell Medicine-Qatar, Qatar Foundation, Doha, Qatar.
Ioannis N PetropoulosDepartment of Medicine, Weill Cornell Medicine-Qatar, Qatar Foundation, Doha, Qatar.
Adnan KhanDepartment of Medicine, Weill Cornell Medicine-Qatar, Qatar Foundation, Doha, Qatar.ORCID https://orcid.org/0000-0003-4647-6672
Hamda AliNational Diabetes Center, Hamad General Hospital, Hamad Medical Corporation, Doha, Qatar.
Mashhood A SiddiqueNational Diabetes Center, Hamad General Hospital, Hamad Medical Corporation, Doha, Qatar.
Wajiha GulNational Diabetes Center, Hamad General Hospital, Hamad Medical Corporation, Doha, Qatar.
Maryam FerdousiDivision of Cardiovascular Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Manchester, UK.
Alise KaltenieceDivision of Cardiovascular Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Manchester, UK.
Fatima Fs MohamedDepartment of Medicine, Weill Cornell Medicine-Qatar, Qatar Foundation, Doha, Qatar.
Lina Hm AhmedDepartment of Medicine, Weill Cornell Medicine-Qatar, Qatar Foundation, Doha, Qatar.
Youssra DakrouryDepartment of Medicine, Weill Cornell Medicine-Qatar, Qatar Foundation, Doha, Qatar.
Abeer Mm El ShewehyDepartment of Medicine, Weill Cornell Medicine-Qatar, Qatar Foundation, Doha, Qatar.
Abdulrahman Al-MohamediDepartment of Medicine, Weill Cornell Medicine-Qatar, Qatar Foundation, Doha, Qatar.
Fatema AlMarriDepartment of Medicine, Weill Cornell Medicine-Qatar, Qatar Foundation, Doha, Qatar.
Moayad HomssiDepartment of Medicine, Weill Cornell Medicine-Qatar, Qatar Foundation, Doha, Qatar.
Murtaza QaziDepartment of Medicine, Weill Cornell Medicine-Qatar, Qatar Foundation, Doha, Qatar.
Nebras H HadidDepartment of Medicine, Weill Cornell Medicine-Qatar, Qatar Foundation, Doha, Qatar.
Fatima Al-KhayatDepartment of Medicine, Weill Cornell Medicine-Qatar, Qatar Foundation, Doha, Qatar.
Ziyad R MahfoudDepartment of Medicine, Weill Cornell Medicine-Qatar, Qatar Foundation, Doha, Qatar.
Shazli AzmiDivision of Cardiovascular Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Manchester, UK.
Uazman AlamDepartment of Cardiovascular & Metabolic Medicine and the Pain Research Institute, Institute of Life Course and Medical Sciences, Liverpool University Hospital NHS Foundation Trust, University of Liverpool, Liverpool, UK.
Mahmoud A ZirieNational Diabetes Center, Hamad General Hospital, Hamad Medical Corporation, Doha, Qatar.
Yousuf Al-AnsariNational Diabetes Center, Hamad General Hospital, Hamad Medical Corporation, Doha, Qatar.
Amin JayyousiNational Diabetes Center, Hamad General Hospital, Hamad Medical Corporation, Doha, Qatar.
Alan S RigbyCentre for Diabetes, Endocrinology and Metabolism, Manchester University NHS Foundation Trust, Manchester, UK.
Eric S KilpatrickDivision of Cardiovascular Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Manchester, UK.
Stephen L AtkinRoyal College of Surgeons in Ireland Bahrain, Adliya, Bahrain.
Rayaz A MalikDepartment of Medicine, Weill Cornell Medicine-Qatar, Qatar Foundation, Doha, Qatar.ORCID https://orcid.org/0000-0002-7188-8903
Weill Cornell Medical College in Qatar · QAHamad General Hospital · QAManchester Academic Health Science Centre · GBUniversity of Hull · GBManchester Metropolitan University · GBRoyal College of Surgeons in Ireland - Bahrain · BHUniversity of Liverpool · GB

Funding

Qatar National Research Fund BMRP-5726113101Qatar National Research Fund NPRP 8-315-3-065
6 · The paper itself

Abstract

AIMS/

introductionLimited studies have identified risk factors linked to the progression of diabetic peripheral neuropathy (DPN) in type 2 diabetes. This study examined the association of risk factors with change in neuropathy measures over 2 years. MATERIALS AND

methodsParticipants with type 2 diabetes (n = 78) and controls (n = 26) underwent assessment of clinical and metabolic parameters and neuropathy using corneal confocal microscopy (CCM), vibration perception threshold (VPT), and the DN4 questionnaire at baseline and 2 year follow-up.

resultsParticipants with type 2 diabetes had a lower corneal nerve fiber density (CNFD), branch density (CNBD), and fiber length (CNFL) (P ≤ 0.0001) and a higher VPT (P ≤ 0.01) compared with controls. Over 2 years, despite a modest reduction in HbA1c (P ≤ 0.001), body weight (P ≤ 0.05), and LDL (P ≤ 0.05) the prevalence of DPN (P = 0.28) and painful DPN (P = 0.21) did not change, but there was a significant further reduction in CNBD (P ≤ 0.0001) and CNFL (P ≤ 0.05). CNFD, CNBD, and CNFL decreased significantly in physically inactive subjects (P < 0.05-0.0001), whilst there was no change in CNFD (P = 0.07) or CNFL (P = 0.85) in physically active subjects. Furthermore, there was no change in CNFD (P = 0.82), CNBD (P = 0.08), or CNFL (P = 0.66) in patients treated with glucose lowering medication associated with weight loss, whilst CNBD (P = 0.001) decreased in patients on glucose lowering medication associated with weight gain.

conclusionsIn participants with type 2 diabetes, despite a modest improvement in HbA1c, body weight, and LDL there was a progressive loss of corneal nerve fibers; except in those who were physically active or on glucose lowering medication associated with weight loss.

Indexed as

Diabetes Mellitus, Type 2Diabetic NeuropathiesCorneaGlucoseGlycated HemoglobinHumansNerve FibersSedentary BehaviorWeight GainWeight LossGlucoseGlycated HemoglobinCorneal confocal microscopyDiabetic neuropathyPhysical inactivity

Identifiers

PMID35652859
PMCPMC9533053
OpenAlexW4281963877

What OpenQuestion holds

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LicenceCC BY-NC
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Registered trials

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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.