Georgios Ponirakis

Laboratory Supervisor

  • 995 Citations
  • 16 h-Index
20062019

Research output per year

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Research Output

  • 995 Citations
  • 16 h-Index
  • 35 Article
  • 6 Review article
  • 2 Comment/debate
  • 2 Letter
2019

An update on the diagnosis and treatment of diabetic somatic and autonomic neuropathy [version 1; referees: 3 approved]

Azmi, S., Petropoulos, I. N., Ferdousi, M., Ponirakis, G., Alam, U. & Malik, R., 1 Jan 2019, In : F1000Research. 8, 186.

Research output: Contribution to journalReview article

Open Access
5 Citations (Scopus)

Association of corneal nerve fiber measures with cognitive function in dementia

Ponirakis, G., Al Hamad, H., Sankaranarayanan, A., Khan, A., Chandran, M., Ramadan, M., Tosino, R., Gawhale, P. V., Alobaidi, M., AlSulaiti, E., Elsotouhy, A., Elorrabi, M., Khan, S., Nadukkandiyil, N., Osman, S., Thodi, N., Almuhannadi, H., Gad, H., Mahfoud, Z. R., Al-Shibani, F. & 5 others, Petropoulos, I. N., Own, A., Al Kuwari, M., Shuaib, A. & Malik, R., 1 Apr 2019, In : Annals of Clinical and Translational Neurology. 6, 4, p. 689-697 9 p.

Research output: Contribution to journalArticle

Open Access
4 Citations (Scopus)

Corneal confocal microscopy: ready for prime time

Petropoulos, I. N., Ponirakis, G., Khan, A., Gad, H., Almuhannadi, H., Brines, M., Cerami, A. & Malik, R., 1 Jan 2019, In : Clinical and Experimental Optometry.

Research output: Contribution to journalReview article

6 Citations (Scopus)

Corneal nerve and endothelial cell damage in patients with transient ischemic attack and minor ischemic stroke

Gad, H., Khan, A., Akhtar, N., Kamran, S., El-Sotouhy, A., Dargham, S., Petropoulos, I. N., Ponirakis, G., Shuaib, A., Streletz, L. & Malik, R., 1 Mar 2019, In : PloS one. 14, 3, e0213319.

Research output: Contribution to journalArticle

Open Access
3 Citations (Scopus)

Correction: Corneal nerve and endothelial cell damage in patients with transient ischemic attack and minor ischemic stroke (PLoS One (2019) 14:3 (e0213319) DOI: 10.1371/journal.pone.0213319)

Gad, H., Khan, A., Akhtar, N., Kamran, S., El-Sotouhy, A., Dargham, S., Petropoulos, I. N., Ponirakis, G., Shuaib, A., Streletz, L. & Malik, R., 1 May 2019, In : PloS one. 14, 5, e0217672.

Research output: Contribution to journalComment/debate

Open Access

Early nerve fibre regeneration in individuals with type 1 diabetes after simultaneous pancreas and kidney transplantation

Azmi, S., Jeziorska, M., Ferdousi, M., Petropoulos, I. N., Ponirakis, G., Marshall, A., Alam, U., Asghar, O., Atkinson, A., Jones, W., Boulton, A. J. M., Brines, M., Augustine, T. & Malik, R., 1 Jan 2019, In : Diabetologia.

Research output: Contribution to journalArticle

Open Access
5 Citations (Scopus)

Hypertension Contributes to Neuropathy in Patients With Type 1 Diabetes

Ponirakis, G., Petropoulos, I. N., Alam, U., Ferdousi, M., Asghar, O., Marshall, A., Azmi, S., Jeziorska, M., Mahfoud, Z. R., Boulton, A. J. M., Efron, N., Nukada, H. & Malik, R., 17 Jul 2019, In : American journal of hypertension. 32, 8, p. 796-803 8 p.

Research output: Contribution to journalArticle

Open Access
3 Citations (Scopus)

Latent autoimmune diabetes of adulthood (LADA) is associated with small fibre neuropathy

Alam, U., Jeziorska, M., Petropoulos, I. N., Pritchard, N., Edwards, K., Dehghani, C., Srinivasan, S., Asghar, O., Ferdousi, M., Ponirakis, G., Marshall, A., Boulton, A. J. M., Efron, N. & Malik, R., 1 Jan 2019, In : Diabetic Medicine.

Research output: Contribution to journalArticle

3 Citations (Scopus)

Prevalence and risk factors for painful diabetic neuropathy in secondary healthcare in Qatar

Ponirakis, G., Elhadd, T., Chinnaiyan, S., Dabbous, Z., Siddiqui, M., Al-muhannadi, H., Petropoulos, I., Khan, A., Ashawesh, K. A. E., Dukhan, K. M. O., Mahfoud, Z. R., Murgatroyd, C., Slevin, M. & Malik, R. A., 1 Nov 2019, In : Journal of Diabetes Investigation. 10, 6, p. 1558-1564 7 p.

Research output: Contribution to journalArticle

Open Access
2 Citations (Scopus)
2018

Corneal Confocal Microscopy detects a Reduction in Corneal Endothelial Cells and Nerve Fibres in Patients with Acute Ischemic Stroke

Khan, A., Kamran, S., Akhtar, N., Ponirakis, G., Al-Muhannadi, H., Petropoulos, I. N., Al-Fahdawi, S., Qahwaji, R., Sartaj, F., Babu, B., Wadiwala, M. F., Shuaib, A. & Malik, R., 1 Dec 2018, In : Scientific Reports. 8, 1, 17333.

Research output: Contribution to journalArticle

4 Citations (Scopus)

Corneal confocal microscopy detects severe small fiber neuropathy in diabetic patients with Charcot neuroarthropathy

Khan, A., Petropoulos, I. N., Ponirakis, G., Menzies, R. A., Chidiac, O., Pasquier, J., Abi Khalil, C., Talal, T. K. & Malik, R., 1 Jan 2018, (Accepted/In press) In : Journal of Diabetes Investigation.

Research output: Contribution to journalArticle

5 Citations (Scopus)

Corneal nerve fractal dimension: A novel corneal nerve metric for the diagnosis of diabetic sensorimotor polyneuropathy

Chen, X., Graham, J., Petropoulos, I. N., Ponirakis, G., Asghar, O., Alam, U., Marshall, A., Ferdousi, M., Azmi, S., Efron, N. & Malik, R., 1 Feb 2018, In : Investigative Ophthalmology and Visual Science. 59, 2, p. 1113-1118 6 p.

Research output: Contribution to journalArticle

13 Citations (Scopus)

Diabetic neuropathy and painful diabetic neuropathy: Cinderella complications in South East Asia

Almuhannadi, H., Ponirakis, G., Khan, A. & Malik, R., 1 Jan 2018, In : Journal of the Pakistan Medical Association. 68, 1, p. 85-89 5 p.

Research output: Contribution to journalReview article

4 Citations (Scopus)

Diagnosing diabetic neuropathy: Something old, something new

Petropoulos, I. N., Ponirakis, G., Khan, A., Almuhannadi, H., Gad, H. & Malik, R., 1 Aug 2018, In : Diabetes and Metabolism Journal. 42, 4, p. 255-269 15 p.

Research output: Contribution to journalReview article

10 Citations (Scopus)

Metformin use is not associated with B12 deficiency or neuropathy in patients with type 2 diabetes Mellitus in Qatar

Elhadd, T., Ponirakis, G., Dabbous, Z., Siddique, M., Chinnaiyan, S. & Malik, R., 25 May 2018, In : Frontiers in Endocrinology. 9, MAY, 248.

Research output: Contribution to journalArticle

2 Citations (Scopus)

No Relation Between the Severity of Corneal Nerve, Epithelial, and Keratocyte Cell Morphology With Measures of Dry Eye Disease in Type 1 Diabetes

Ferdousi, M., Petropoulos, I. N., Kalteniece, A., Azmi, S., Ponirakis, G., Efron, N., Soran, H. & Malik, R., 1 Nov 2018, In : Investigative ophthalmology & visual science. 59, 13, p. 5525-5530 6 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)

Peripheral neuropathy in patients with multiple sclerosis

Khan, A., Kamran, S., Ponirakis, G., Akhtar, N., Khan, R., George, P., Babu, B. M., Ibrahim, F. M., Petropoulos, I. N., Canibano, B. G., Wilins, S. S., Deleu, D., Shuaib, A. & Malik, R., 1 Mar 2018, In : PLoS One. 13, 3, 0193270.

Research output: Contribution to journalArticle

5 Citations (Scopus)
2017

Corneal confocal microscopy: An imaging endpoint for axonal degeneration in multiple sclerosis

Petropoulos, I. N., Kamran, S., Li, Y., Khan, A., Ponirakis, G., Akhtar, N., Deleu, D., Shuaib, A. & Malik, R., 1 Jul 2017, In : Investigative Ophthalmology and Visual Science. 58, 9, p. 3677-3681 5 p.

Research output: Contribution to journalArticle

16 Citations (Scopus)

Corneal Confocal Microscopy Detects Corneal Nerve Damage in Patients Admitted With Acute Ischemic Stroke

Khan, A., Akhtar, N., Kamran, S., Ponirakis, G., Petropoulos, I. N., Tunio, N. A., Dargham, S., Imam, Y., Sartaj, F., Parray, A., Bourke, P., Khan, R., Santos, M., Joseph, S., Shuaib, A. & Malik, R., 1 Nov 2017, In : Stroke. 48, 11, p. 3012-3018 7 p.

Research output: Contribution to journalArticle

12 Citations (Scopus)

Diagnostic utility of corneal confocal microscopy and intra-epidermal nerve fibre density in diabetic neuropathy

Alam, U., Jeziorska, M., Petropoulos, I. N., Asghar, O., Fadavi, H., Ponirakis, G., Marshall, A., Tavakoli, M., Boulton, A. J. M., Efron, N. & Malik, R., 1 Jul 2017, In : PLoS One. 12, 7, e0180175.

Research output: Contribution to journalArticle

37 Citations (Scopus)

Expression of skin Glyoxalase-I, advanced glycation end products (AGEs) and receptor (RAGE) in patients with long term type 1 diabetes and diabetic neuropathy

Alahmar, A. T., Petropoulos, I. N., Ferdousi, M., Jones, W., Fadavi, H., Azmi, S., Alam, U., Asghar, O., Meskiri, A., Kheyami, A., Ponirakis, G., Marshall, A., Boulton, A. J. M., Tavakoli, M., Jeziorska, M. & Malik, R., 1 Dec 2017, In : Brunei International Medical Journal. 13, 6, p. 180-193 14 p.

Research output: Contribution to journalArticle

Small-fibre neuropathy in men with type 1 diabetes and erectile dysfunction: a cross-sectional study

Azmi, S., Ferdousi, M., Alam, U., Petropoulos, I. N., Ponirakis, G., Marshall, A., Asghar, O., Fadavi, H., Jones, W., Tavakoli, M., Boulton, A. J. M., Jeziorska, M., Soran, H., Efron, N. & Malik, R., 29 Mar 2017, (Accepted/In press) In : Diabetologia. p. 1-8 8 p.

Research output: Contribution to journalArticle

7 Citations (Scopus)

Spinal disinhibition in experimental and clinical painful diabetic neuropathy

Marshall, A. G., Lee-Kubli, C., Azmi, S., Zhang, M., Ferdousi, M., Mixcoatl-Zecuatl, T., Petropoulos, I. N., Ponirakis, G., Fineman, M. S., Fadavi, H., Frizzi, K., Tavakoli, M., Jeziorska, M., Jolivalt, C. G., Boulton, A. J. M., Efron, N., Calcutt, N. A. & Malik, R., 1 May 2017, In : Diabetes. 66, 5, p. 1380-1390 11 p.

Research output: Contribution to journalArticle

18 Citations (Scopus)

Visual complications in diabetes mellitus: beyond retinopathy

Khan, A., Petropoulos, I. N., Ponirakis, G. & Malik, R., 1 Apr 2017, In : Diabetic Medicine. 34, 4, p. 478-484 7 p.

Research output: Contribution to journalReview article

16 Citations (Scopus)
2016

Diabetic neuropathy and painful diabetic neuropathy in the Middle East and North Africa (MENA) region: Much work needs to be done

Petropoulos, I. N., Javed, S., Azmi, S., Khan, A., Ponirakis, G. & Malik, R., 1 Aug 2016, In : Journal of Taibah University Medical Sciences. 11, 4, p. 284-294 11 p.

Research output: Contribution to journalReview article

7 Citations (Scopus)

NerveCheck: An inexpensive quantitative sensory testing device for patients with diabetic neuropathy

Ponirakis, G., Odriozola, M. N., Odriozola, S., Petropoulos, I. N., Azmi, S., Fadavi, H., Alam, U., Asghar, O., Marshall, A., Miro, A., Kheyami, A., Al-Ahmar, A., Odriozola, M. B., Odriozola, A. & Malik, R., 1 Mar 2016, In : Diabetes Research and Clinical Practice. 113, p. 101-107 7 p.

Research output: Contribution to journalArticle

5 Citations (Scopus)

NerveCheck for the Detection of Sensory Loss and Neuropathic Pain in Diabetes

Ponirakis, G., Odriozola, M. N., Odriozola, S., Petropoulos, I. N., Azmi, S., Ferdousi, M., Fadavi, H., Alam, U., Marshall, A., Jeziorska, M., Miro, A., Kheyami, A., Tavakoli, M., Al-Ahmar, A., Odriozola, M. B., Odriozola, A. & Malik, R., 1 Dec 2016, In : Diabetes Technology and Therapeutics. 18, 12, p. 800-805 6 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)
2015

Automated quantification of neuropad improves its diagnostic ability in patients with diabetic neuropathy

Ponirakis, G., Fadavi, H., Petropoulos, I. N., Azmi, S., Ferdousi, M., Dabbah, M. A., Kheyami, A., Alam, U., Asghar, O., Marshall, A., Tavakoli, M., Al-Ahmar, A., Javed, S., Jeziorska, M. & Malik, R., 2015, In : Journal of Diabetes Research. 2015, 847854.

Research output: Contribution to journalArticle

10 Citations (Scopus)

Corneal confocal microscopy detects small fibre neuropathy in patients with upper gastrointestinal cancer and nerve regeneration in chemotherapy induced peripheral neuropathy

Ferdousi, M., Azmi, S., Petropoulos, I. N., Fadavi, H., Ponirakis, G., Marshall, A., Tavakoli, M., Malik, I., Mansoor, W. & Malik, R., 2 Oct 2015, In : PLoS One. 10, 10, e0139394.

Research output: Contribution to journalArticle

38 Citations (Scopus)

Corneal confocal microscopy identifies small-fiber neuropathy in subjects with impaired glucose tolerance who develop type 2 diabetes

Azmi, S., Ferdousi, M., Petropoulos, I. N., Ponirakis, G., Alam, U., Fadavi, H., Asghar, O., Marshall, A., Atkinson, A. J., Jones, W., Boulton, A. J. M., Tavakoli, M., Jeziorska, M. & Malik, R., 1 Aug 2015, In : Diabetes Care. 38, 8, p. 1502-1508 7 p.

Research output: Contribution to journalArticle

46 Citations (Scopus)

Corneal confocal microscopy shows an improvement in small-fiber neuropathy in subjects with type 1 diabetes on continuous subcutaneous insulin infusion compared with multiple daily Injection

Azmi, S., Ferdousi, M., Petropoulos, I. N., Ponirakis, G., Fadavi, H., Tavakoli, M., Alam, U., Jones, W., Marshall, A., Jeziorska, M., Boulton, A. J. M., Efron, N. & Malik, R., 1 Jan 2015, In : Diabetes Care. 38, 1, p. e3-e4

Research output: Contribution to journalLetter

27 Citations (Scopus)

Erratum: small fiber neuropathy in patients with latent autoimmune diabetes in adults. (Diabetes care (2015) 38 (e102-e103))

Alam, U., Asghar, O., Petropoulos, I. N., Jeziorska, M., Fadavi, H., Ponirakis, G., Marshall, A., Tavakoli, M., Boulton, A. J. M., Efron, N. & Malik, R., 1 Oct 2015, In : Diabetes Care. 38, 10, p. 1992 1 p.

Research output: Contribution to journalComment/debate

Small fiber neuropathy in Parkinson's disease: A clinical, pathological and corneal confocal microscopy study

Kass-Iliyya, L., Javed, S., Gosal, D., Kobylecki, C., Marshall, A., Petropoulos, I. N., Ponirakis, G., Tavakoli, M., Ferdousi, M., Chaudhuri, K. R., Jeziorska, M., Malik, R. & Silverdale, M. A., 1 Dec 2015, In : Parkinsonism and Related Disorders. 21, 12, p. 1454-1460 7 p.

Research output: Contribution to journalArticle

60 Citations (Scopus)

Small fiber neuropathy in patients with latent autoimmune diabetes in adults

Alam, U., Asghar, O., Petropoulos, I. N., Jeziorska, M., Fadavi, H., Ponirakis, G., Marshall, A., Tavakoli, M., Boulton, A. J. M., Efron, N. & Malik, R., 1 Jul 2015, In : Diabetes Care. 38, 7, p. e102-e103

Research output: Contribution to journalLetter

2 Citations (Scopus)

Small nerve fiber quantification in the diagnosis of diabetic sensorimotor polyneuropathy: Comparing corneal confocal microscopy with intraepidermal nerve fiber density

Chen, X., Graham, J., Dabbah, M. A., Petropoulos, I. N., Ponirakis, G., Asghar, O., Alam, U., Marshall, A., Fadavi, H., Ferdousi, M., Azmi, S., Tavakoli, M., Efron, N., Jeziorska, M. & Malik, R., 1 Jun 2015, In : Diabetes Care. 38, 6, p. 1138-1144 7 p.

Research output: Contribution to journalArticle

81 Citations (Scopus)

The inferior whorl for detecting diabetic peripheral neuropathy using corneal confocal microscopy

Petropoulos, I. N., Ferdousi, M., Marshall, A., Alam, U., Ponirakis, G., Azmi, S., Fadavi, H., Efron, N., Tavakoli, M. & Malik, R., 2015, In : Investigative Ophthalmology and Visual Science. 56, 4, p. 2498-2504 7 p.

Research output: Contribution to journalArticle

24 Citations (Scopus)
2014

Corneal confocal microscopy detects neuropathy in subjects with impaired glucose tolerance

Asghar, O., Petropoulos, I. N., Alam, U., Jones, W., Jeziorska, M., Marshall, A., Ponirakis, G., Fadavi, H., Boulton, A. J. M., Tavakoli, M. & Malik, R., 2014, In : Diabetes Care. 37, 9, p. 2643-2646 4 p.

Research output: Contribution to journalArticle

72 Citations (Scopus)

Longitudinal assessment of neuropathy in type 1 diabetes using novel ophthalmic markers (LANDMark): Study design and baseline characteristics

Pritchard, N., Edwards, K., Dehghani, C., Fadavi, H., Jeziorska, M., Marshall, A., Petropoulos, I. N., Ponirakis, G., Russell, A. W., Sampson, G. P., Shahidi, A. M., Srinivasan, S., Tavakoli, M., Vagenas, D., Malik, R. & Efron, N., 2014, In : Diabetes Research and Clinical Practice. 104, 2, p. 248-256 9 p.

Research output: Contribution to journalArticle

41 Citations (Scopus)

Rapid automated diagnosis of diabetic peripheral neuropathy with in vivo corneal confocal microscopy

Petropoulos, I. N., Alam, U., Fadavi, H., Marshall, A., Asghar, O., Dabbah, M. A., Chen, X., Graham, J., Ponirakis, G., Boulton, A. J. M., Tavakoli, M. & Malik, R., 3 Apr 2014, In : Investigative Ophthalmology and Visual Science. 55, 4, p. 2062-2070 9 p.

Research output: Contribution to journalArticle

93 Citations (Scopus)

The diagnostic accuracy of Neuropad® for assessing large and small fibre diabetic neuropathy

Ponirakis, G., Petropoulos, I. N., Fadavi, H., Alam, U., Asghar, O., Marshall, A., Tavakoli, M. & Malik, R., 1 Dec 2014, In : Diabetic Medicine. 31, 12, p. 1673-1680 8 p.

Research output: Contribution to journalArticle

15 Citations (Scopus)
2013

Corneal confocal microscopy detects early nerve regeneration in diabetic neuropathy after simultaneous pancreas and kidney transplantation

Tavakoli, M., Mitu-Pretorian, M., Petropoulos, I. N., Fadavi, H., Asghar, O., Alam, U., Ponirakis, G., Jeziorska, M., Marshall, A., Efron, N., Boulton, A. J., Augustine, T. & Malik, R., Jan 2013, In : Diabetes. 62, 1, p. 254-260 7 p.

Research output: Contribution to journalArticle

139 Citations (Scopus)

Corneal nerve loss detected with corneal confocal microscopy is symmetrical and related to the severity of diabetic polyneuropathy

Petropoulos, I. N., Alam, U., Fadavi, H., Asghar, O., Green, P., Ponirakis, G., Marshall, A., Boulton, A. J. M., Tavakoli, M. & Malik, R., Nov 2013, In : Diabetes Care. 36, 11, p. 3646-3651 6 p.

Research output: Contribution to journalArticle

69 Citations (Scopus)

Repeatability of in vivo corneal confocal microscopy to quantify corneal nerve morphology

Petropoulos, I. N., Manzoor, T., Morgan, P., Fadavi, H., Asghar, O., Alam, U., Ponirakis, G., Dabbah, M. A., Chen, X., Graham, J., Tavakoli, M. & Malik, R., May 2013, In : Cornea. 32, 5

Research output: Contribution to journalArticle

80 Citations (Scopus)
2010

Diabetic neuropathy: Review of diagnosis and management

Petropoulos, I., Fadavi, H., Asghar, O., Alam, U., Ponirakis, G., Tavakoli, M. & Malik, R., 2010, In : Diabetes and Primary Care. 12, 3, p. 165-174 10 p.

Research output: Contribution to journalArticle

2006

The effect of sodium trisilicate on bone resorption and healing

Ponirakis, G. & Gough, J. E., 1 Jun 2006, In : European Cells and Materials. 11, SUPPL.2, 1 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)