Ahmet Turan Isik

Ahmet Turan Isik

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Ahmet Turan Isik

Ahmet Turan Isik

Publications by authors named "Ahmet Turan Isik"

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60Publications

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Thiazide therapy is not related to any changes in cognitive function in older hypertensive patients with or without dementia: a 26-week follow-up study.

Psychogeriatrics 2018 Jul 30. Epub 2018 Jul 30.

Department of Geriatric Medicine, Faculty of Medicine, Dokuz Eylul University, Izmir, Turkey.

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July 2018

The effects of support groups on dementia caregivers: A mixed method study.

Geriatr Nurs 2018 Mar - Apr;39(2):151-156. Epub 2017 Aug 18.

Department of Geriatrics, Dokuz Eylul University Faculty of Medicine, Inciralti, Izmir, Turkey. Electronic address:

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June 2018

The AD8 (Dementia Screening Interview) is a valid and reliable screening scale not only for dementia but also for mild cognitive impairment in the Turkish geriatric outpatients.

Int Psychogeriatr 2018 Jun 20:1-7. Epub 2018 Jun 20.

Unit for Aging Brain and Dementia,Department of Geriatric Medicine,Dokuz Eylul University,Faculty of Medicine,Izmir,Turkey.

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June 2018

Cardiovascular Outcomes of Cholinesterase Inhibitors in Individuals with Dementia: A Meta-Analysis and Systematic Review.

J Am Geriatr Soc 2018 May 30. Epub 2018 May 30.

Institute of Psychiatry, Psychology, and Neuroscience, King's College London, London, United Kingdom.

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May 2018

Factors affecting sensitivity and specificity of head-turning sign in the studies.

Int Psychogeriatr 2018 Apr 2:1-2. Epub 2018 Apr 2.

Unit for Aging Brain and Dementia,Department of Geriatric Medicine,Faculty of Medicine,Dokuz Eylul University,Izmir,Turkey.

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April 2018

Vitamin B deficiency can be a cause of acute reversible parkinsonism and cognitive impairment in older adults.

Geriatr Gerontol Int 2018 Apr;18(4):650-651

Faculty of Medicine, Unit for Aging Brain and Dementia, Department of Geriatric Medicine, Dokuz Eylul University, Izmir, Turkey.

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April 2018

Costs of medication in older patients: before and after comprehensive geriatric assessment.

Clin Interv Aging 2018 9;13:607-613. Epub 2018 Apr 9.

Department of Geriatric Medicine, Faculty of Medicine, Dokuz Eylul University, Izmir, Turkey.

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April 2018

The evaluation and design of a short depression screening tool in Turkish older adults.

Int Psychogeriatr 2018 Mar 21:1-8. Epub 2018 Mar 21.

Unit for Aging Brain and Dementia,Department of Geriatric Medicine,Faculty of Medicine,Dokuz Eylul University,Izmir,Turkey.

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March 2018

Which is preferable for orthostatic hypotension diagnosis in older adults: active standing test or head-up tilt table test?

Clin Interv Aging 2017 25;12:207-212. Epub 2017 Jan 25.

Center for Aging Brain and Dementia, Department of Geriatric Medicine, Faculty of Medicine, Dokuz Eylul University, Izmir, Turkey.

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January 2018

Attended With and Head-Turning Sign can be clinical markers of cognitive impairment in older adults.

Int Psychogeriatr 2017 11 29;29(11):1763-1769. Epub 2017 Jun 29.

Unit for Aging Brain and Dementia,Department of Geriatric Medicine,Dokuz Eylul University,Faculty of Medicine,Izmir,Turkey.

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November 2017

Comments on "Relationship between cardiac autonomic function and cognitive function in Alzheimer's disease".

Geriatr Gerontol Int 2017 11;17(11):2283-2284

Center for Aging Brain and Dementia, Department of Geriatric Medicine, Faculty of Medicine, Dokuz Eylul University, Izmir, Turkey.

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November 2017

Vitamin B12 deficiency might be related to sarcopenia in older adults.

Exp Gerontol 2017 09 23;95:136-140. Epub 2017 May 23.

Department of Geriatric Medicine, Dokuz Eylul University, Faculty of Medicine, Izmir, Turkey. Electronic address:

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September 2017

Neuroleptic malignant syndrome associated with only one dose of metoclopramide in an older adult.

Geriatr Gerontol Int 2017 08;17(8):1232-1233

Center for Aging Brain and Dementia, Department of Geriatric Medicine, Faculty of Medicine, Dokuz Eylul University, Izmir, Turkey.

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August 2017

When should orthostatic blood pressure changes be evaluated in elderly: 1st, 3rd or 5th minute?

Arch Gerontol Geriatr 2016 Jul-Aug;65:199-203. Epub 2016 Apr 6.

Department of Geriatric Medicine, Dokuz Eylul University, School of Medicine, Izmir, Turkey. Electronic address:

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July 2017

Corrigendum to "Inflammation and frailty in the elderly: A systematic review and meta-analysis" [Ageing Res Rev. 31 (2016) 1-8].

Ageing Res Rev 2017 May 13;35:364-365. Epub 2017 Jan 13.

Nicola Veronese, Geriatrics Section, Department of Medicine (DIMED), University of Padova, Padova, Italy; Institute of Clinical Research and Education in Medicine (IREM), Padova, Italy. Electronic address:

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May 2017

Oxidative stress and frailty: A systematic review and synthesis of the best evidence.

Maturitas 2017 May 16;99:66-72. Epub 2017 Jan 16.

Health, Social Care and Education, Anglia Ruskin University, Chelmsford, United Kingdom; Institute of Clinical Research and Education in Medicine (IREM), Padova, Italy; Physiotherapy Department, South London and Maudsley NHS Foundation Trust, Denmark Hill, London SE5 8AZ, United Kingdom; Health Service and Population Research Department, Institute of Psychiatry, Psychology and Neuroscience, King's College London, De Crespigny Park, London Box SE5 8AF, United Kingdom. Electronic address:

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May 2017

Association between serum vitamin B12 level and frailty in older adults.

North Clin Istanb 2017 10;4(1):22-28. Epub 2017 May 10.

Center for Aging Brain and Dementia, Department of Geriatric Medicine, Dokuz Eylul University Faculty of Medicine, Izmir, Turkey.

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May 2017

Uric acid may be protective against cognitive impairment in older adults, but only in those without cardiovascular risk factors.

Exp Gerontol 2017 03 4;89:15-19. Epub 2017 Jan 4.

Center for Aging Brain and Dementia, Department of Geriatric Medicine, Dokuz Eylul University, Faculty of Medicine, Izmir, Turkey. Electronic address:

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March 2017

The effects of sitagliptin, a DPP-4 inhibitor, on cognitive functions in elderly diabetic patients with or without Alzheimer's disease.

Diabetes Res Clin Pract 2017 Jan 21;123:192-198. Epub 2016 Dec 21.

Center for Aging Brain and Dementia, Department of Geriatric Medicine, Dokuz Eylul University, Faculty of Medicine, Izmir, Turkey.

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January 2017

Comment on "Cut-off points to identify sarcopenia according to European Working Group on Sarcopenia in Older People (EWGSOP) definition".

Clin Nutr 2016 12 17;35(6):1586. Epub 2016 Sep 17.

Center for Aging Brain and Dementia, Department of Geriatric Medicine, Dokuz Eylul University, Faculty of Medicine, Izmir, Turkey. Electronic address:

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December 2016

Effects of Acetylcholinesterase Inhibitors on Balance and Gait Functions and Orthostatic Hypotension in Elderly Patients With Alzheimer Disease.

Am J Alzheimers Dis Other Demen 2016 Nov 31;31(7):580-584. Epub 2016 Aug 31.

Department of Geriatric Medicine, Faculty of Medicine, Center for Aging Brain and Dementia, Dokuz Eylul University, Izmir, Turkey.

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November 2016

Inflammation and frailty in the elderly: A systematic review and meta-analysis.

Ageing Res Rev 2016 Nov 31;31:1-8. Epub 2016 Aug 31.

Nicola Veronese, Geriatrics Section, Department of Medicine (DIMED), University of Padova, Padova, Italy; Institute of Clinical Research and Education in Medicine (IREM), Padova, Italy. Electronic address:

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November 2016

Hypovitaminosis D and orthostatic hypotension: a systematic review and meta-analysis.

J Hypertens 2016 06;34(6):1036-43

aRheumatology Unit, Department of Medicine University of Padova, Padova, Italy bPhysiotherapy Department, South London and Maudsley NHS Foundation Trust, Denmark Hill cHealth Service and Population Research Department, Institute of Psychiatry, King's College London, De Crespigny Park, London dDepartment of Neuroscience and Memory Clinic, Division of Geriatric Medicine, Angers University Hospital; UPRES EA 4638, University of Angers, Angers, France eRobarts Research Institute, University of Western Ontario, London, Ontario, Canada fDepartment of Neurology, Gangneung Asan Hospital, University of Ulsan College of Medicine, Gangneung gDepartment of Neurology, Hanyang University College of Medicine, Seoul, Republic of Korea hDepartment of Gerontology, St James's Hospital, Dublin, Ireland Mercers Institute for Research on Ageing, Dublin, Ireland iDepartment of Geriatric Medicine, School of Medicine, Dokuz Eylul University, Izmir, Turkey jDepartment of Pathology and Diagnostics, Verona University and Hospital Trust, Verona kDepartment of Pathology, Santa Chiara Hospital, Trento lDepartment of Neurosciences, Local Health Unit 17, Mental Health Department, Monselice mDepartment of Medicine, Geriatrics Section, University of Padova nInstitute of Clinical Research and Education in Medicine (IREM), Padova, Italy *Francesca Ometto and Brendon Stubbs equally contributed to the writing of this article.

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June 2016

The Saint Louis University Mental Status Examination Is Better than the Mini-Mental State Examination to Determine the Cognitive Impairment in Turkish Elderly People.

J Am Med Dir Assoc 2016 Apr 2;17(4):370.e11-5. Epub 2016 Feb 2.

Department of Neurology and Psychiatry, St Louis University School of Medicine, St Louis, MO.

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April 2016

Mesenchymal stem cell therapy for the streptozotocin-induced neurodegeneration in rats.

Neurol Res 2016 Apr 1;38(4):364-72. Epub 2016 Mar 1.

f Faculty of Medical Science, Department of Biological Science , Bezmialem Vakif University , Istanbul , Turkey.

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April 2016

Asymptomatic Bradycardia Due to Rivastigmine in an Elderly Adult with Lewy Body Dementia.

J Am Geriatr Soc 2015 Dec;63(12):2648-2650

Center for Aging Brain and Dementia, Department of Geriatric Medicine, Faculty of Medicine, Dokuz Eylul University, Izmir, Turkey.

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December 2015

Intracranial hypotension-like syndrome after a spinal tap test performed for idiopathic normal pressure hydrocephalus.

Am J Alzheimers Dis Other Demen 2015 Sep 10;30(6):569-72. Epub 2015 Mar 10.

Department of Geriatrics, Faculty of Medicine, University of Dokuz Eylül, Izmir, Turkey.

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September 2015

Neuroleptic malignant syndrome in an elderly patient with normal pressure hydrocephalus overlapping corticobasal degeneration.

Am J Alzheimers Dis Other Demen 2015 Jun 2;30(4):417-20. Epub 2014 Oct 2.

Department of Geriatric Medicine, Faculty of Medicine, Dokuz Eylul University, Izmir, Turkey.

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June 2015

A new combination therapy in severe acute pancreatitis--hyperbaric oxygen plus 3-aminobenzamide: an experimental study.

Pancreas 2015 Mar;44(2):326-30

From the *Department of Intensive Care, Internal Medicine, Trakya University Faculty of Medicine, Edirne; Departments of †Geriatrics, and ‡Intensive Care, Internal Medicine, Dokuz Eylul University Faculty of Medicine, Izmir; §Department of Surgery, Guven Hospital, Ankara; ∥Department of Anatomy, Dokuz Eylul University Faculty of Medicine, Izmir; and Departments of ¶Pathology, #Internal Medicine, **Intensive Care, Internal Medicine, and ††Infection Disease, Gulhane School of Medicine, Ankara, Turkey.

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March 2015

Which rivastigmine formula is better for heart in elderly patients with Alzheimer's disease: oral or patch?

Am J Alzheimers Dis Other Demen 2014 Dec 26;29(8):735-8. Epub 2014 May 26.

Department of Internal Medicine, Faculty of Medicine, Bezmialem Vakif University, Istanbul, Turkey.

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December 2014

Severe hyponatremia due to escitalopram treatment in an elderly adult with Alzheimer's disease.

J Am Geriatr Soc 2014 Dec;62(12):2462-3

Faculty of Medicine, Department of Geriatric Medicine, Dokuz Eylul University, Izmir, Turkey.

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December 2014

Does vitamin D deficiency increase orthostatic hypotension risk in the elderly patients?

Arch Gerontol Geriatr 2014 Jul-Aug;59(1):74-7. Epub 2014 Mar 31.

Dokuz Eylul University, Faculty of Medicine, Department of Geriatric Medicine, Izmir, Turkey.

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October 2014

A comparison of end-stage renal disease and Alzheimer's disease in the elderly through a comprehensive geriatric assessment.

Int Urol Nephrol 2014 Aug 22;46(8):1627-32. Epub 2014 May 22.

Department of Geriatric Medicine, Faculty of Medicine, Dokuz Eylul University, Izmir, Turkey,

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August 2014

The volume prediction on the experimental design hippocampus using stereological method.

J Craniofac Surg 2014 Jul;25(4):1501-3

From the *Department of Anatomy, Faculty of Medicine, Dokuz Eylul University, Izmir; †Department of Anatomy, Faculty of Veterinary Medicine, Afyon Kocatepe University, Afyonkarahisar; ‡Department of Neurosurgery, Faculty of Medicine, Dokuz Eylul University, Izmir; and §Department of Geriatrics, Faculty of Medicine, Dokuz Eylul University, Izmir, Turkey.

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July 2014

Ogilvie's syndrome in an elderly patient with multi-system atrophy.

Clin Auton Res 2013 Jun 7;23(3):155-6. Epub 2013 Mar 7.

Department of Geriatric Medicine, School of Medicine, Dokuz Eylul University, 35340 Balçova, Izmir, Turkey.

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June 2013

Vitamin B12 and folic acid levels are not related to length of stay in elderly inpatients.

Nutrition 2013 May 9;29(5):757-9. Epub 2013 Jan 9.

Bezmialem Vakif University, Faculty of Medicine, Department of Internal Medicine, Istanbul, Turkey.

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May 2013

Effect of galantamine on platelet functions in healthy elderly people.

Indian J Med Res 2013 May;137(5):977-80

Dokuz Eylul University, School of Medicine, Department of Geriatric Medicine, Izmir, Turkey.

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May 2013

Cardiac safety of donepezil in elderly patients with Alzheimer disease.

Intern Med 2012 15;51(6):575-8. Epub 2012 Mar 15.

Department of Geriatric Medicine, Bezmialem Vakif University, Faculty of Medicine, Turkey.

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August 2012

Which cholinesterase inhibitor is the safest for the heart in elderly patients with Alzheimer's disease?

Am J Alzheimers Dis Other Demen 2012 May;27(3):171-4

Department of Geriatric Medicine, Bezmialem Vakif University, Istanbul, Turkey.

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May 2012

Delirium: a critical diagnosis for every member of the rehabilitation team.

Rehabil Nurs 2011 Sep-Oct;36(5):214-5

Department of Physical Medicine and Rehabilitation at Gülhane Military Medical Academy Haydarpaşa Training Hospital, Istanbul, Turkey.

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September 2011

An elderly diabetic case of ochronosis with depression and chronic pain.

Endokrynol Pol 2010 Nov-Dec;61(6):710-3

Gulhane School of Medicine, Department of Internal Medicine, Ankara, Turkey.

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May 2011

Late onset Alzheimer's disease in older people.

Authors:
Ahmet Turan Isik

Clin Interv Aging 2010 Oct 11;5:307-11. Epub 2010 Oct 11.

Department of Internal Medicine, Division of Geriatric Medicine, Gulhane School of Medicine, Ankara, Turkey.

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October 2010

Evaluation of the effects of galantamine on cardiac function in elderly patients with Alzheimer's disease.

Am J Geriatr Pharmacother 2010 Oct;8(5):454-9

Division of Geriatrics, Department of Internal Medicine, Gulhane School of Medicine, Ankara, Turkey.

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October 2010

Acetylcholinesterase inhibition and insulin resistance in late onset Alzheimer's disease.

Int Psychogeriatr 2009 Dec 27;21(6):1127-33. Epub 2009 Jul 27.

Gulhane School of Medicine, Department of Internal Medicine, Ankara, Turkey.

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December 2009

Curcumin ameliorates impaired insulin/IGF signalling and memory deficit in a streptozotocin-treated rat model.

Age (Dordr) 2009 Mar 8;31(1):39-49. Epub 2008 Oct 8.

Department of Internal Medicine, Division of Geriatric Medicine, Gulhane School of Medicine, GATA Geriatri BD, 06018, Etlik, Ankara, Turkey.

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March 2009

Combination of allopurinol and hyperbaric oxygen therapy: a new treatment in experimental acute necrotizing pancreatitis?

World J Gastroenterol 2007 Dec;13(46):6203-7

Division of Intensive Care, Departments of Internal Medicine, Gulhane School of Medicine, GATA Geriatri BD, Etlik, Ankara 06018, Turkey.

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December 2007

Is there any relation between insulin resistance and cognitive function in the elderly?

Int Psychogeriatr 2007 Aug 14;19(4):745-56. Epub 2007 May 14.

Gulhane School of Medicine, Department of Internal Medicine, Division of Geriatric Medicine, Ankara, Turkey.

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August 2007

The relationship between age and carotid artery intima-media thickness, hemoglobin A1c in nondiabetic, healthy geriatric population.

Arch Gerontol Geriatr 2005 Sep-Oct;41(2):113-9

Department of Geriatric Medicine, Gulhane Military Medical Academy, 06018 Etlik, Ankara, Turkey.

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November 2005

The effect of activated protein C on experimental acute necrotizing pancreatitis.

Crit Care 2005 Jun 4;9(3):R184-90. Epub 2005 Mar 4.

Medical Intensive Care Unit, Gülhane School of Medicine, Etlik, Ankara, Turkey.

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June 2005

Brucella: a rare causative agent of spontaneous bacterial peritonitis.

Indian J Gastroenterol 2003 Sep-Oct;22(5):190

GATA Department of Internal Medicine, Ankara, Turkey.

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January 2004