Certificates, Courses and Trainings
2025
2025Wound Care Management Basic Course, Izmır, Turkey
Health&Medicine
The Institute for technology-based education in Health, Management and Social Services International
Research Areas
Avesis Research Areas:
Medicine, Internal Medicine Sciences, Internal Diseases, Geriatrics, Health Sciences
WoS Research Areas:
Clinical Medicine (Med), Clinical Medicine
Research Areas Based on Academic Activities
Avesis Research Areas
WoS Research Areas
Scopus Research Areas
Academic Positions
2022 - Present
2022 - PresentResearch Assistant PhD
Dokuz Eylul University, Tıp Fakültesi, Dahili Tıp Bilimleri Bölümü
2023 - 2023
2023 - 2023Researcher
Saint Louis University, Geriatric Psychiatry
2016 - 2020
2016 - 2020Research Assistant
Dokuz Eylul University, Tıp Fakültesi, Dahili Tıp Bilimleri Bölümü
2018 - 2019
2018 - 2019Researcher
The University of Michigan, MEDICINE, DEPARTMENT OF ENDOCRINOLOGY
Articles
All (28)
SCI-E, SSCI, AHCI (21)
SCI-E, SSCI, AHCI, ESCI (22)
ESCI (1)
Scopus (22)
TRDizin (2)
Other Publications (3)
2026
20261. Visual and Semiquantitative Assessment of 123I-Ioflupane SPECT in Probable Dementia with Lewy Bodies and Its Association with Autonomic Dysfunction: A Retrospective Study
Arslan T., BEKİŞ R., Ontan M. S., IŞIK A. T.
JOURNAL OF CLINICAL MEDICINE
, vol.15, no.17, 2026 (SCI-Expanded, Scopus)
2026
20262. Validity and reliability of the Turkish version of the Australian National University-Alzheimer’s Disease Risk Index (ANU-ADRI)
Mutlay F., Cam Mahser A., Soylemez B., Ates Bulut E., Petek K., Ontan M. S., et al.
Applied Neuropsychology:Adult , vol.33, no.2, pp.461-466, 2026 (SCI-Expanded, Scopus)
2025
20253. Which is More Important to Enhance or Deteriorate Cognitive Functions in Older Adults With Major Cognitive Impairment: The Drug Burden Index or the Total Number of Medications?
Altunkalem Seydi K., Dost F. S., Kaya D., Idil E., Ontan M. S., Ates Bulut E., et al.
Clinical neuropharmacology
, 2025 (SCI-Expanded, Scopus)
2025
20254. Assessment of Four Different eGFR Equations in Older Turkish Adults
Dost F. S., Mutlay F., Yavuz İ., Ateş Bulut E., Öntan M. S., Işık A. T.
Osmangazi Tıp Dergisi , vol.47, no.5, pp.712-720, 2025 (TRDizin)
2025
20255. Author response to: OSIN-D-24–01894 comment on “Osteoporosis in older patients with idiopathic normal pressure hydrocephalus”
ÖNTAN M. S., IŞIK A. T.
Osteoporosis International , vol.36, no.4, pp.759-760, 2025 (SCI-Expanded, Scopus)
2025
20256. Sarcopenia Seems to Be Common in Older Patients With Restless Legs Syndrome
Gokdeniz Yildirim A., Kaya D., Dost F. S., Ontan M. S., Isik A. T.
Journal of Cachexia, Sarcopenia and Muscle
, vol.16, no.1, 2025 (SCI-Expanded, Scopus)
2025
20257. Validation of the Turkish version of the Lewy body composite risk score
Mutlay F., Kaya D., Ates Bulut E., Akpınar Söylemez B., Öntan M. S., Işık A. T.
Applied Neuropsychology:Adult
, vol.32, no.3, pp.768-774, 2025 (SCI-Expanded, Scopus)
2025
20258. Osteoporosis in older patients with idiopathic normal pressure hydrocephalus.
Ontan M. S., Cam Mahser A., Dost F. S., Isik A. T.
Osteoporosis international : a journal established as result of cooperation between the European Foundation for Osteoporosis and the National Osteoporosis Foundation of the USA , vol.36, no.1, pp.123-128, 2025 (SCI-Expanded, Scopus)
2025
20259. THE RELATIONSHIP BETWEEN PULSE PRESSURE AND DEMENTIA IN OLDER ADULTS: A CROSS-SECTIONAL STUDY
Öntan M. S., Dost F. S., Kaya D., Işık A. T.
JOURNAL OF BASIC AND CLINICAL HEALTH SCIENCES
, vol.9, no.2, 2025 (ESCI, TRDizin)
2024
202410. Postprandial hypotension is more common than orthostatic hypotension in older adults with dementia with lewy bodies: a cross-sectional study
Isik A. T., Ontan M. S., Dost F. S., Mutlay F., Cam Mahser A., Gokdeniz Yildirim A., et al.
Hypertension Research , vol.47, no.10, pp.2840-2846, 2024 (SCI-Expanded, Scopus)
2024
202411. Bidirectional relationship between caregiver mastery and anxiety in individuals with cognitive impairment
Ontan M. S., Işik A. T.
Evidence Based Nursing
, vol.27, pp.1-4, 2024 (SCI-Expanded)
2024
202412. Primitive reflexes and dementia in older adults: a meta-analysis of observational and cohort studies.
Seydi K. A., Kaya D., Yavuz I., Ontan M. S., Dost F. S., Isik A. T.
PSYCHOGERIATRICS , vol.24, no.3, pp.688-700, 2024 (SCI-Expanded, Scopus)
2023
202313. Communication between families and hospital staff is important in understanding nutrition and hydration problems in dementia patients.
Ontan M. S., Isik A. T.
Evidence-based nursing , 2023 (Scopus)
2023
202314. Neuroleptic Malignant Syndrome in Patients with Dementia: Experiences of A Single Memory Clinic
Isik A. T., Kaya D., Ontan M. S., Mutlay F., Bulut E. A., Dost F. S., et al.
Clinical Neuropharmacology , vol.46, no.6, pp.209-213, 2023 (SCI-Expanded, Scopus)
2023
202315. Hyperuricemia may be associated with muscle wellness in older adults.
Oncel Yoruk E., Dost F. S., ÖNTAN M. S., Ates Bulut E., Aydin A. E., IŞIK A. T.
International urology and nephrology
, vol.55, no.11, pp.2981-2988, 2023 (SCI-Expanded, Scopus)
2023
202316. Impact of Diabetes on Weight Loss Outcomes after Bariatric Surgery: Experience from Five-Year Follow-up of Michigan Bariatric Surgery CohortShort Running Title: Impact of Diabetes on Bariatric Surgery Outcome.
Luo Y., Haddad R. A., Ontan M. S., Eldin A. W. J., Abu-Rumaileh M., Yosef M., et al.
Clinical endocrinology
, vol.99, pp.285-295, 2023 (SCI-Expanded, Scopus)
2023
202317. Postprandial Hypotension Is More Common Than Orthostatic Hypotension In Older Adults With Dementia With Lewy Bodies: A Cross-Sectional Study
Isık A. T., Ontan M. S., Dost F. S., Mutlay F., Mahser A., Gökdeniz Yıldırım A., et al.
research square , vol.1, pp.1-13, 2023 (Peer-Reviewed Journal)
2023
202318. Orthostatic hypotension in dementia with Lewy bodies: a meta-analysis of prospective studies
Isik A. T., Dost F. S., Yavuz İ., Ontan M. S., Ates Bulut E., Kaya D.
Clinical Autonomic Research , vol.33, no.2, pp.133-141, 2023 (SCI-Expanded, Scopus)
2023
202319. Muscle Strength Seems to be Related to The Functional Status and Severity of Dementia in Older Adults with Alzheimer’s Disease
Dost F. S., Erken N., Ontan M. S., Ates Bulut E., Kaya D., Kocyigit S. E., et al.
Current Aging Science , vol.16, no.1, pp.75-83, 2023 (Scopus)
2023
202320. Ogilvie's syndrome: bidirectional effect of hypokalaemia.
Ontan M. S., Isik A. T.
BMJ supportive & palliative care , vol.13, no.e3, 2023 (SCI-Expanded, Scopus)
2023
202321. Letter to: Diabetes Management in Chronic Kidney Disease: Synopsis of the KDIGO 2022 Clinical Practice Guideline Update
Mutlay F., Öntan M. S., Kaya D., Işik A. T.
ANNALS OF INTERNAL MEDICINE , vol.176, no.3, pp.1-2, 2023 (SCI-Expanded, Scopus)
2022
202222. Yaşlı Kadınlarda Homosistein Düzeyinin Kırılganlıkla İlişkisi
Çam Mahşer A., İdil E., Öntan M. S.
geriatri bilimler dergisi , vol.5, pp.64-71, 2022 (Peer-Reviewed Journal)
2022
202223. The applause sign in elderly patients with idiopathic normal pressure hydrocephalus.
KAYA D., ERKEN N., Ontan M. S., ALTUN Z. S., IŞIK A. T.
Applied neuropsychology. Adult , vol.29, no.5, pp.893-898, 2022 (SCI-Expanded, Scopus)
2022
202224. Orthostatic hypotension in patients with Alzheimer's disease: a meta-analysis of prospective studies.
IŞIK A. T., ERKEN N., YAVUZ İ., KAYA D., Ontan M. S., Bulut E. A., et al.
Neurological sciences : official journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology , vol.43, no.2, pp.999-1006, 2022 (SCI-Expanded, Scopus)
2021
202125. The relationship between osteoporosis and sarcopenia, according to EWGSOP-2 criteria, in outpatient elderly
Ontan M. S., Dokuzlar O., Ates Bulut E., SOYSAL P., IŞIK A. T.
JOURNAL OF BONE AND MINERAL METABOLISM , vol.39, no.4, pp.684-692, 2021 (SCI-Expanded, Scopus)
2021
202126. Theracurmin Supplementation May be a Therapeutic Option for Older Patients with Alzheimer's Disease: A 6-Month Retrospective Follow-Up Study.
DOST F. S., KAYA D., Ontan M. S., ERKEN N., Bulut E. A., Aydin A. E., et al.
Current Alzheimer research
, vol.18, no.14, pp.1087-1092, 2021 (SCI-Expanded, Scopus)
2020
202027. Cardiac and Blood Pressure Safety of Transdermal Rivastigmine in Elderly Patients With Dementia With Lewy Bodies
IŞIK A. T., Ates Bulut E., Dokuzlar O., KAYA D., ERKEN N., Dost Gunay F. S., et al.
ALZHEIMER DISEASE & ASSOCIATED DISORDERS
, vol.34, no.4, pp.339-343, 2020 (SCI-Expanded, SSCI, Scopus)
2019
201928. Natural history of ROHHAD syndrome: development of severe insulin resistance and fatty liver disease over time
Eldin A. J., Öntan M. S.
Clinical Diabetes and Endocrinology
, vol.9, pp.5-9, 2019 (Peer-Reviewed Journal)
Papers Presented at Peer-Reviewed Scientific Conferences
2024
20241. Demanslı Olgularda Neuroleptik Malign Sendrom: Tek Geriatrik Memori Klinik Deneyimi
IŞIK A. T., KAYA D., ÖNTAN M. S., MUTLAY F., ATEŞ BULUT E., DOST F. S., et al.
60. Ulusal Nöroloji Kongresi, 27 November - 02 December 2024, (Summary Text)
2023
20232. Lewy Cisimcikli Demanslı Yaşlı Erişkinlerde Postprandiyal Hipotansiyon Ortostatik Hipotansiyondan Daha Yaygındır: Kesitsel Bir Çalışma.
IŞIK A. T., MUTLAY F., ÖNTAN M. S., Mahşer A., GÖKDENİZ YILDIRIM A., KAYA D.
59. Ulusal Nöroloji Kongresi, Turkey, 13 December 2023, (Summary Text)
2022
20223. ALZHEİMER HASTALIĞI OLAN YAŞLI HASTALAR İÇİN TERAKURMİN TAKVİYESİ TERAPÖTİK BİR SEÇENEK OLABİLİR: 6 AYLIK RETROSPEKTİF TAKİP ÇALIŞMASI
Dost F. S., Kaya D., Öntan M. S., Erken N., Ateş Bulut E., Aydın A. E., et al.
58. Ulusal Nöroloji Kongresi, Antalya, Turkey, 18 - 24 November 2022, pp.246, (Summary Text)
2022
20224. Yaşlı Hastalarda Kırılganlık ile İnflamatuar Belirteçlerin İlişkisinin Değerlendirilmesi
DOST F. S., ÖNTAN M. S., IŞIK A. T.
II. Türkiye in vitro Diyagnositk Sempozyumu "İnflamasyon", İzmir, Turkey, 27 - 29 April 2022, (Summary Text)
2022
20225. Is There a Relationship Between Serum Homocysteine Level and Osteoporosis in Older Adults?
ÖNTAN M. S., DOKUZLAR Ö.
1. International Congress of Gerontology, Sivas, Turkey, 18 - 20 March 2022, (Full Text)
2019
20196. TİGESİKLİNE BAĞLI GELİŞEN İMMUN TROMBOSİTOPENİ OLGUSU
ÖNTAN M. S., OLGUN A., ŞEYHANLI A., ALACACIOĞLU İ., PİŞKİN Ö., ÖZCAN M. A., et al.
45. Ulusal Hematoloji Kongresi, Antalya, Turkey, 1 - 03 March 2019, (Summary Text)
2018
20187. Metabolic deterioration during prospective follow-up in an extremely rare case of congenital generalized lipodystrophy type 4
ÖZGEN SAYDAM B., ADIYAMAN S. C., ÖNTAN M. S., AKINCI B.
Endobridge 2018, Antalya, Turkey, 25 October 2018, (Summary Text)
2016
20168. SİSPLATİN İNFÜZYONU SONRASI GELİŞEN ASEMPTOMATİK BRADİKARDİ OLGUSU
GARİP A., Olgun A., C. A., TÜRKYILMAZ D., YİĞİT KAYA S., ŞEYHANLI A., et al.
42. Ulusal Hematoloji Kongresi, Antalya, Turkey, 19 - 22 October 2016, (Summary Text)
Books
2025
20251. Treatment Decision in Cognitive Impairment
Öntan M. S., Işık A. T.
in: Decision Making in Older Adults, ISIK AT,ATES BULUT E, Editor, Turkiye Klinikleri, İstanbul, pp.9-13, 2025
2023
20232. Screening and Treatment of Osteoporosis
Mutlay F., Öntan M. S.
in: Preventive Medicine in Geriatric Practice, Ahmet Turan IŞIK,Esra ATEŞ BULUT, Editor, Turkiye Klinikleri, Ankara, pp.61-67, 2023
2022
20223. Osteoporoz
ÖNTAN M. S., DOKUZLAR Ö.
in: Geriatri Pratiğinde Rasyonel Farmakoterapi, Ahmet Turan Işık, Turgay Çelik, Editor, US Akademi, İzmir, pp.329-338, 2022
2021
20214. Proton Pompa İnhibitörleri - H2 reseptör antagonistleri
Öntan M. S.
in: Geriatri Pratiğinde Rasyonel Farmakoterapi, ISIK AT,CELİK T, Editor, İnter Yayınları, Ankara, pp.437-444, 2021
2021
20215. Non-Steroid Anti-İnflamatuar ilaçlar
Öntan M. S.
in: Geriatri Pratiğinde Rasyonel Farmakoterapi , ISIK AT,CELİK T, Editor, İnter Yayınları, Ankara, pp.459-464, 2021
2021
20216. Yaşlılarda Akılcı ilaç Kullanımı
Öntan M. S.
in: Başarılı Yaşlanma, ISIK AT,SOYSAL P, Editor, Türkiye Klinikleri Yayınevi, Ankara, pp.28-35, 2021
2021
20217. Orthostatic Hypertension
KOÇYİĞİT S. E., ÖNTAN M. S., IŞIK A. T.
in: Orthostatic Hypotension in Older Adults, Işık Ahmet Turan, Soysal Pınar, Editor, Springer, Cham, pp.113-119, 2021
Congress and Symposium Activities
24 October 2025 - 25 October 2025
24 October 2025 - 25 October 20253. Uluslarası ve 12. Geriatri Günleri
Attendee
İzmir-Turkey
15 October 2025 - 19 October 2025
15 October 2025 - 19 October 20257. Uluslararası ve 18. Akademik Geriatri Kongresi
Attendee
Muğla-Turkey
20 September 2024 - 21 September 2024
20 September 2024 - 21 September 20242. Uluslarası ve 11. Geriatri Günleri
Invited Speaker
İzmir-Turkey
09 March 2023 - 11 March 2023
09 March 2023 - 11 March 2023Ankara Üniversitesi Tıp Fakültesi 5. İç Hastalıkları Günleri 2023
Invited Speaker
Ankara-Turkey
27 January 2023 - 27 January 2023
27 January 2023 - 27 January 2023Adana Geriatri Günleri
Invited Speaker
Adana-Turkey
17 September 2021 - 17 September 2021
17 September 2021 - 17 September 2021