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G. Ponirakis · SciRah

Researcher profile · Semantic Scholar

G. Ponirakis

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G. Ponirakis — researcher profile on SciRah

h-index: 39
Works: 163
Citations: 5,083

Most-cited papers

Early Detection of Diabetic Peripheral Neuropathy: A Focus on Small Nerve Fibres
J. Burgess, B. Frank, A. Marshall, Rashaad S. Khalil +5 more
2021Diagnostics120 citations Open access
Semantic Scholar
Corneal confocal microscopy: ready for prime time
I. Petropoulos, G. Ponirakis, Adnan Khan, H. Gad +4 more
2020Clinical and experimental optometry105 citations
Semantic Scholar
Corneal confocal microscopy identifies corneal nerve fibre loss and increased dendritic cells in patients with long COVID
Gulfidan Bitirgen, Celalettin Korkmaz, A. Zamani, Ahmet Ozkagnici +3 more
2021British Journal of Ophthalmology100 citations Open access
Semantic Scholar
Diagnosis of Neuropathy and Risk Factors for Corneal Nerve Loss in Type 1 and Type 2 Diabetes: A Corneal Confocal Microscopy Study
M. Ferdousi, Alise Kalteniece, S. Azmi, I. Petropoulos +13 more
2020Diabetes Care93 citations Open access
Semantic Scholar
Corneal confocal microscopy for the diagnosis of diabetic peripheral neuropathy: A systematic review and meta‐analysis
H. Gad, I. Petropoulos, Adnan Khan, G. Ponirakis +3 more
2021Journal of Diabetes Investigation91 citations Open access
Semantic Scholar
Effect of treatment with exenatide and pioglitazone or basal-bolus insulin on diabetic neuropathy: a substudy of the Qatar Study
G. Ponirakis, M. Abdul-Ghani, A. Jayyousi, Hamad Almuhannadi +12 more
2020BMJ Open Diabetes Research & Care68 citations Open access
Semantic Scholar
Corneal Confocal Microscopy: A Biomarker for Diabetic Peripheral Neuropathy.
I. Petropoulos, G. Ponirakis, M. Ferdousi, S. Azmi +8 more
2021Clinical Therapeutics66 citations Open access
Semantic Scholar
Prevalence and risk factors for diabetic peripheral neuropathy, neuropathic pain and foot ulceration in the Arabian Gulf region
G. Ponirakis, T. Elhadd, E. Al-Ozairi, I. Brema +20 more
2022Journal of Diabetes Investigation59 citations Open access
Semantic Scholar
Vitamin D deficiency is associated with painful diabetic neuropathy
U. Alam, I. Petropoulos, G. Ponirakis, M. Ferdousi +6 more
2020Diabetes/Metabolism Research Reviews53 citations Open access
Semantic Scholar
Bariatric surgery leads to an improvement in small nerve fibre damage in subjects with obesity
S. Azmi, M. Ferdousi, Yi-Fen Liu, S. Adam +14 more
2021International Journal of Obesity47 citations
Semantic Scholar
Prevalence and risk factors for diabetic neuropathy and painful diabetic neuropathy in primary and secondary healthcare in Qatar
G. Ponirakis, T. Elhadd, Subitha Chinnaiyan, A. Hamza +16 more
2020Journal of Diabetes Investigation45 citations Open access
Semantic Scholar
Artificial Intelligence–Based Classification of Diabetic Peripheral Neuropathy From Corneal Confocal Microscopy Images
Tooba Salahouddin, I. Petropoulos, M. Ferdousi, G. Ponirakis +7 more
2021Diabetes Care43 citations Open access
Semantic Scholar
Corneal Confocal Microscopy to Image Small Nerve Fiber Degeneration: Ophthalmology Meets Neurology
I. Petropoulos, Gulfidan Bitirgen, M. Ferdousi, Alise Kalteniece +15 more
2021Frontiers in Pain Research43 citations Open access
Semantic Scholar
Prevalence and management of diabetic neuropathy in secondary care in Qatar
G. Ponirakis, T. Elhadd, Subitha Chinnaiyan, Z. Dabbous +10 more
2020Diabetes/Metabolism Research Reviews40 citations Open access
Semantic Scholar
Small Nerve Fiber Damage and Langerhans Cells in Type 1 and Type 2 Diabetes and LADA Measured by Corneal Confocal Microscopy
L. D'Onofrio, Alise Kalteniece, M. Ferdousi, S. Azmi +10 more
2021Investigative Ophthalmology and Visual Science38 citations Open access
Semantic Scholar
Corneal confocal microscopy identifies small fibre damage and progression of diabetic neuropathy
S. Dhage, M. Ferdousi, S. Adam, J. Ho +10 more
2021Scientific Reports38 citations Open access
Semantic Scholar
An update on the diagnosis and treatment of diabetic somatic and autonomic neuropathy
S. Azmi, I. Petropoulos, M. Ferdousi, G. Ponirakis +2 more
2019F1000Research34 citations Open access
Semantic Scholar
The Utility of Corneal Nerve Fractal Dimension Analysis in Peripheral Neuropathies of Different Etiology
I. Petropoulos, Abdulrahman Al-Mohammedi, Xin Chen, M. Ferdousi +14 more
2020Translational Vision Science & Technology33 citations Open access
Semantic Scholar
Corneal Nerve and Brain Imaging in Mild Cognitive Impairment and Dementia
Eiman Al-Janahi, G. Ponirakis, H. Al Hamad, S. Vattoth +25 more
2020Journal of Alzheimer's Disease30 citations Open access
Semantic Scholar
Corneal confocal microscopy compared with quantitative sensory testing and nerve conduction for diagnosing and stratifying the severity of diabetic peripheral neuropathy
M. Ferdousi, Alise Kalteniece, S. Azmi, I. Petropoulos +10 more
2020BMJ Open Diabetes Research & Care29 citations Open access
Semantic Scholar
Blood-Based Proteomic Profiling Identifies Potential Biomarker Candidates and Pathogenic Pathways in Dementia
Hanan Ehtewish, Areej G Mesleh, G. Ponirakis, Alberto de la Fuente +18 more
2023International Journal of Molecular Sciences28 citations Open access
Semantic Scholar
Tau associated peripheral and central neurodegeneration: Identification of an early imaging marker for tauopathy
Alexandra Marquez, L. Guernsey, Katie Frizzi, Morgan Cundiff +13 more
2021Neurobiology of Disease27 citations Open access
Semantic Scholar
Greater small nerve fibre damage in the skin and cornea of type 1 diabetic patients with painful compared to painless diabetic neuropathy
M. Ferdousi, S. Azmi, Alise Kalteniece, I. Petropoulos +9 more
2021European Journal of Neurology25 citations Open access
Semantic Scholar
Painful diabetic neuropathy is associated with increased nerve regeneration in patients with type 2 diabetes undergoing intensive glycemic control
G. Ponirakis, M. Abdul-Ghani, A. Jayyousi, M. Zirie +15 more
2021Journal of Diabetes Investigation25 citations Open access
Semantic Scholar
The role of abnormalities of lipoproteins and HDL functionality in small fibre dysfunction in people with severe obesity
S. Azmi, M. Ferdousi, Yi-Fen Liu, S. Adam +11 more
2021Scientific Reports24 citations Open access
Semantic Scholar
Cornea: A Window to White Matter Changes in Stroke; Corneal Confocal Microscopy a Surrogate Marker for the Presence and Severity of White Matter Hyperintensities in Ischemic Stroke.
Saadat Kamran, Adnan Khan, A. Salam, N. Akhtar +6 more
2020Journal of Stroke & Cerebrovascular Diseases23 citations
Semantic Scholar
Retinal vessel multifractals predict pial collateral status in patients with acute ischemic stroke
Adnan Khan, P. De Boever, Nele Gerrits, N. Akhtar +8 more
2022PLoS ONE22 citations Open access
Semantic Scholar
Corneal Immune Cells Are Increased in Patients With Multiple Sclerosis
Adnan Khan, Yi Li, G. Ponirakis, N. Akhtar +9 more
2021Translational Vision Science & Technology22 citations Open access
Semantic Scholar
Corneal nerve loss in children with type 1 diabetes mellitus without retinopathy or microalbuminuria
H. Gad, Bara Al-Jarrah, S. Saraswathi, I. Petropoulos +18 more
2020Journal of Diabetes Investigation22 citations Open access
Semantic Scholar
Corneal confocal microscopy demonstrates axonal loss in different courses of multiple sclerosis
I. Petropoulos, Kathryn C. Fitzgerald, J. Oakley, G. Ponirakis +17 more
2021Scientific Reports20 citations Open access
Semantic Scholar
The Peripheral Neuropathy Prevalence and Characteristics Are Comparable in People with Obesity and Long-Duration Type 1 Diabetes
J. Lim, J. Burgess, C. Ooi, G. Ponirakis +3 more
2022Advances in Therapy19 citations Open access
Semantic Scholar
Cardiovascular autonomic neuropathy is associated with increased glycemic variability driven by hyperglycemia rather than hypoglycemia in patients with diabetes.
H. Gad, Einas Elgassim, Ibrahim Mohammed, Ahmad Yaser Alhaddad +11 more
2023Diabetes Research and Clinical Practice18 citations Open access
Semantic Scholar
Sustained corneal nerve loss predicts the development of diabetic neuropathy in type 2 diabetes
G. Ponirakis, Ibrahim Al-Janahi, Einas Elgassim, M. Homssi +24 more
2024Frontiers in Neuroscience16 citations Open access
Semantic Scholar
Loss of corneal nerves and brain volume in mild cognitive impairment and dementia
G. Ponirakis, H. Al Hamad, Adnan Khan, I. Petropoulos +20 more
2022Alzheimer's & Dementia16 citations Open access
Semantic Scholar
Progressive loss of corneal nerve fibers is associated with physical inactivity and glucose lowering medication associated with weight gain in type 2 diabetes
G. Ponirakis, Ibrahim Al-Janahi, Einas Elgassim, H. Gad +27 more
2022Journal of Diabetes Investigation16 citations Open access
Semantic Scholar
Profiling the autoantibody repertoire reveals autoantibodies associated with mild cognitive impairment and dementia
Hanan Ehtewish, Areej G Mesleh, G. Ponirakis, Katie Lennard +17 more
2023Frontiers in Neurology15 citations Open access
Semantic Scholar
Corneal confocal microscopy identifies small nerve fibre damage in patients with hypertriglyceridemia.
L. D'Onofrio, M. Ferdousi, Alise Kalteniece, Zohaib Iqbal +5 more
2022Journal of Clinical Lipidology15 citations
Semantic Scholar
Subclinical Corneal Nerve Fiber Damage and Immune Cell Activation in Systemic Lupus Erythematosus: A Corneal Confocal Microscopy Study
Gulfidan Bitirgen, A. Kucuk, M. Ergun, R. Baloglu +4 more
2021Translational Vision Science & Technology15 citations Open access
Semantic Scholar
Continuous glucose monitoring reveals a novel association between duration and severity of hypoglycemia, and small nerve fiber injury in patients with diabetes
H. Gad, Einas Elgassim, Ibrahim Mohammed, A. Alhaddad +18 more
2022Endocrine Connections14 citations Open access
Semantic Scholar
Corneal confocal microscopy identifies greater corneal nerve damage in patients with a recurrent compared to first ischemic stroke
Adnan Khan, N. Akhtar, Saadat Kamran, Hamad Almuhannadi +10 more
2020PLoS ONE14 citations Open access
Semantic Scholar
Corneal nerve loss predicts dementia in patients with mild cognitive impairment
G. Ponirakis, H. Al Hamad, Dunya A M Omar, I. Petropoulos +18 more
2023Annals of Clinical and Translational Neurology13 citations Open access
Semantic Scholar
Association of Cerebral Ischemia With Corneal Nerve Loss and Brain Atrophy in MCI and Dementia
G. Ponirakis, A. Elsotouhy, H. Al Hamad, S. Vattoth +23 more
2021Frontiers in Neuroscience13 citations Open access
Semantic Scholar
Corneal confocal microscopy detects early nerve regeneration after pharmacological and surgical interventions: Systematic review and meta‐analysis
H. Gad, Einas Elgassim, Ahamed Lebbe, R. MacDonald +5 more
2024Journal of the peripheral nervous system12 citations Open access
Semantic Scholar
Corneal confocal microscopy identifies a reduction in corneal keratocyte density and sub-basal nerves in children with type 1 diabetes mellitus
H. Gad, Bara Al-Jarrah, S. Saraswathi, S. Mohamed +12 more
2021British Journal of Ophthalmology12 citations
Semantic Scholar
Corneal Confocal Microscopy to Diagnose Peripheral Neuropathy: A Systematic Review and Meta‐Analysis
I. Petropoulos, O. Madani, H. Gad, Z. Mahfoud +3 more
2025European Journal of Neurology10 citations Open access
Semantic Scholar
CellsDeepNet: A Novel Deep Learning-Based Web Application for the Automated Morphometric Analysis of Corneal Endothelial Cells
Alaa S. Al-Waisy, Abdulrahman Alruban, Shumoos Al-Fahdawi, Rami Qahwaji +4 more
2022Mathematics10 citations Open access
Semantic Scholar
Abnormal corneal nerve morphology and brain volume in patients with schizophrenia
G. Ponirakis, Reem Ghandi, Amani Ahmed, H. Gad +16 more
2022Scientific Reports9 citations Open access
Semantic Scholar
Altered Circulating microRNAs in Patients with Diabetic Neuropathy and Corneal Nerve Loss: A Pilot Study
Adnan Khan, J. Pasquier, V. Ramachandran, G. Ponirakis +12 more
2022Journal of Clinical Medicine9 citations Open access
Semantic Scholar
Insulin resistance limits corneal nerve regeneration in patients with type 2 diabetes undergoing intensive glycemic control
G. Ponirakis, M. Abdul-Ghani, A. Jayyousi, M. Zirie +13 more
2021Journal of Diabetes Investigation9 citations Open access
Semantic Scholar
Untargeted Metabolomic Profiling Reveals Differentially Expressed Serum Metabolites and Pathways in Type 2 Diabetes Patients with and without Cognitive Decline: A Cross-Sectional Study
Neyla S. Al-Akl, Olfa Khalifa, G. Ponirakis, A. Parray +13 more
2024International Journal of Molecular Sciences8 citations Open access
Semantic Scholar

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I. Petropoulos — researcher profile on SciRah
R. Malik×40
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Adnan Khan×26
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H. Gad×24
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M. Ferdousi — researcher profile on SciRah

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U. Alam — researcher profile on SciRah

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S. Azmi — researcher profile on SciRah

A. Marshall×11

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