ARZU OKYAR BAŞ

1. Frailty and osteosarcopenia in older men: a hidden vulnerability

Özer Y. P., Baş A. O., LEVENT M., ŞAHİNER Z., Çeşmeci E., BALCI C., et al.

BMC Geriatrics , cilt.26, sa.1, 2026 (SCI-Expanded, SSCI, Scopus)

2. Inflammation-related indices and low physical performance in older adults with unintentional weight loss: a cross-sectional study

Gecegelen E., Ucdal M., Baş A. O., Karaduman D., Atbas C., EŞME M., et al.

BMC Geriatrics , cilt.26, sa.1, 2026 (SCI-Expanded, SSCI, Scopus)

3. Optimising SARC-F cut-off for sarcopenia screening: A comparative analysis with muscle strength and physical performance tests

Cengiz D., Baş A. O., Öztürk Y., Kayabaşı C., Pehlivan M., Özgün Ö., et al.

Nutrition , cilt.146, 2026 (SCI-Expanded, Scopus)

4. Could Malnutrition Be a Potential Parameter for Cardiac Risk Assessment in Older Adults?

Özgün Ö., Okyar Baş A., Cengiz D., Kayabaşı C., Uyar A., Turhan O., et al.

Journal of Clinical Medicine , cilt.15, sa.6, 2026 (SCI-Expanded, Scopus)

5. Muscle matters: The relationship between skeletal muscle and cardiac muscle in older people-A Cross-Sectional Prospective Observational Study

GÜNER OYTUN M., AYGÜN S., CEYLAN S., OKYAR BAŞ A., KOCA M., Ozturk Y., et al.

NUTRITION IN CLINICAL PRACTICE , cilt.41, ss.120-128, 2026 (SCI-Expanded, Scopus)

6. Sarcopenic obesity is independently associated with frailty in geriatric outpatients: A cross-sectional study from university hospital

Kahyaoglu Z., Deniz O., Güner M., Okyar Baş A., Ceylan S., Çöteli S., et al.

Nutrition in Clinical Practice , cilt.41, sa.1, ss.85-93, 2026 (SCI-Expanded, Scopus)

7. Prevalence, diagnosis and treatment of sarcopenic obesity in older adults: a systematic review and a meta-analysis

Sengul Aycicek G., Okyar Bas A., KARABULUT E., HALİL M. G.

ACTA CLINICA BELGICA , cilt.80, sa.6, ss.226-249, 2025 (SCI-Expanded, Scopus)

8. Global Leadership Initiative on Malnutrition (GLIM) plus Patient- and Nutrition-Derived Outcome Risk Assessment Score (PANDORA) predicts intensive care mortality: A 180-day follow-up study

OKYAR BAŞ A., Mermer M., EŞME M.

NUTRITION , cilt.131, 2025 (SCI-Expanded, Scopus)

9. Changes in Place of Death of Older Adults during the COVID-19 Pandemic: A Retrospective Study from an Aging Country

CEYLAN S., GÜNER OYTUN M., OKYAR BAŞ A., KAHYAOĞLU Z., Ayaz C. M., BALCI C., et al.

Omega (United States) , cilt.90, sa.4, ss.1963-1974, 2025 (SSCI, Scopus)

10. Sleep hygiene education in older adults: effectiveness and association with comprehensive geriatric assessment

HAFIZOĞLU M., Gurun P., OKYAR BAŞ A., Kayabasi C., KARADUMAN D., ATBAŞ C., et al.

AGING & MENTAL HEALTH , cilt.29, ss.1123-1129, 2025 (SCI-Expanded, SSCI, Scopus)

11. Impact of Sleep Quality on Disease Activity and Clinical Outcomes in Older Patients with Inflammatory Bowel Disease

Cavusoglu C., Sahin T., OKYAR BAŞ A., Guner M., Boga I., Ozturk Y., et al.

EUROPEAN JOURNAL OF GERIATRICS AND GERONTOLOGY , cilt.6, sa.3, ss.178-184, 2024 (ESCI, Scopus, TRDizin)

12. Role of muscle ultrasound in frailty assessment in older adults with type 2 diabetes mellitus

HAFIZOĞLU M., KALKAN YILDIRIM H., OKYAR BAŞ A., KARADUMAN D., ŞAHİNER Z., DOĞU B. B., et al.

BMC GERIATRICS , cilt.24, sa.1, 2024 (SCI-Expanded, SSCI, Scopus)

13. Correlation between muscle masses measured by chest computed tomography and bioelectrical impedance analysis in older adults

CEYLAN S., GÜNER OYTUN M., OKYAR BAŞ A., Ozturk Y., KOCA M., DENİZ O., et al.

JOURNAL OF GERONTOLOGY AND GERIATRICS , cilt.72, sa.4, ss.185-192, 2024 (ESCI, Scopus)

14. Sarcopenia Susceptibility in Kidney Transplant Recipients: A Cross-Sectional Study Investigating the Impact of the Mammalian Target of Rapamycin Inhibitors

GÜNER OYTUN M., GİRGİN S., OKYAR BAŞ A., CEYLAN S., Ozturk Y., ÜNSAL P., et al.

TURKISH JOURNAL OF NEPHROLOGY , cilt.33, sa.4, ss.364-371, 2024 (ESCI, TRDizin)

15. A hand-in-hand phenomenon in older adults: Increased risk of frailty in geriatric outpatients associated with handgrip strength asymmetry and weakness

GÜNER OYTUN M., CEYLAN S., OKYAR BAŞ A., KOCA M., Ozturk Y., Dog B. B., et al.

CLINICAL NUTRITION , cilt.43, sa.10, ss.2381-2387, 2024 (SCI-Expanded, Scopus)

16. Evaluation of waist-to-calf ratio as a diagnostic tool for sarcopenic obesity: a cross-sectional study from a geriatric outpatient clinic

Guner M., Ozturk Y., Ceylan S., OKYAR BAŞ A., KOCA M., BALCI C., et al.

EUROPEAN GERIATRIC MEDICINE , cilt.15, ss.1469-1475, 2024 (SCI-Expanded, Scopus)

17. The Older Population's Antibody Response to SARS-CoV-2 Inactivated Vaccine (CoronaVac) is Independent to Vitamin D Levels

ŞAHİNER Z., OKYAR BAŞ A., GÜNER OYTUN M., CEYLAN S., HAFIZOĞLU M., KARADUMAN D., et al.

EUROPEAN JOURNAL OF GERIATRICS AND GERONTOLOGY , cilt.6, sa.2, ss.119-124, 2024 (ESCI, Scopus, TRDizin)

18. The Role of Muscle Ultrasonography to Diagnose Malnutrition and Sarcopenia in Maintenance Hemodialysis

Güner M., GİRGİN S., CEYLAN S., ÖZCAN B., Öztürk Y., OKYAR BAŞ A., et al.

Journal of Renal Nutrition , cilt.34, sa.4, ss.330-336, 2024 (SCI-Expanded, Scopus)

19. Geriatrician perspective on the malnutrition and long-term mortality in hospitalized older adults

OKYAR BAŞ A., BALCI C.

Clinical Nutrition , cilt.43, sa.6, ss.1659-1660, 2024 (SCI-Expanded, Scopus)

20. Decreased abdominal wall muscle mass defined by muscle ultrasound is associated with malnutrition according to Global Leadership Initiative on Malnutrition criteria in renal transplant recipients: A cross-sectional study

Güner M., GİRGİN S., YILDIRIM T., OKYAR BAŞ A., CEYLAN S., Öztürk Y., et al.

Journal of Parenteral and Enteral Nutrition , cilt.48, sa.3, ss.329-336, 2024 (SCI-Expanded, Scopus)

21. Calf circumference predicts sarcopenia in maintenance hemodialysis

ÖZCAN B., Güner M., CEYLAN S., Öztürk Y., GİRGİN S., OKYAR BAŞ A., et al.

Nutrition in Clinical Practice , cilt.39, sa.1, ss.193-201, 2024 (SCI-Expanded, Scopus)

22. Cognitive Status is Better in Older Adults under Colchicine Treatment: A Case-Control Study

OKYAR BAŞ A., YARDIMCI G. K., GÜNER OYTUN M., CEYLAN S., KAHYAOĞLU Z., Ozturk Y., et al.

EXPERIMENTAL AGING RESEARCH , cilt.50, sa.1, ss.17-27, 2024 (SCI-Expanded, Scopus)

23. Clinical Frailty Scale and Body Mass Index as an Independent Predictor of 2-year Mortality at Hospitalized Patients

Oeztuerk Y., OKYAR BAŞ A., Guener M., CEYLAN S., KOCA M., EŞME M., et al.

EUROPEAN JOURNAL OF GERIATRICS AND GERONTOLOGY , cilt.6, sa.1, ss.26-30, 2024 (ESCI, Scopus, TRDizin) Sürdürülebilir Kalkınma

24. Polypharmacy-related Orthostatic Intolerance Syndrome in Community-dwelling Older Adults

OKYAR BAŞ A., Oztuerk Y., Guener M., CEYLAN S., KAHYAOĞLU Z., ÇÖTELİ S., et al.

EUROPEAN JOURNAL OF GERIATRICS AND GERONTOLOGY , cilt.6, sa.1, ss.58-64, 2024 (ESCI, Scopus, TRDizin) Sürdürülebilir Kalkınma

25. Letter to editor: Phase angle is associated with sarcopenic obesity in post-stroke patients

Güner M., OKYAR BAŞ A., Ceylan S.

Clinical Nutrition , cilt.43, sa.1, ss.304, 2024 (SCI-Expanded, Scopus)

26. An Atherosclerosis Indicator Hyaluronic Acid: Can Plasma Hyaluronic Acid Be Useful in Diagnosing Alzheimer's Disease?

CEYLAN S., Guner M., OKYAR BAŞ A., KAHYAOĞLU Z., KOÇ N., KÖKSAL G., et al.

Clinical Laboratory , cilt.70, sa.3, ss.510-516, 2024 (SCI-Expanded, Scopus)

27. A pilot study for a practical screening tool for dementia: validation of 5-minute cognitive test in a geriatric population

HAFIZOĞLU M., OKYAR BAŞ A., ŞAHİNER Z., Oytun M. G., ATBAŞ C., KARADUMAN D., et al.

Psychogeriatrics , cilt.24, sa.1, ss.16-24, 2024 (SCI-Expanded, Scopus)

28. Prevalence and general characteristics of dementia: a nationwide population-based study of electronic health records in Türkiye

GÜNER OYTUN M., Koca M., CEYLAN S., OKYAR BAŞ A., Dikmeer A., Esme M., et al.

TURKISH JOURNAL OF MEDICAL SCIENCES , cilt.54, sa.4, ss.644-651, 2024 (SCI-Expanded, Scopus, TRDizin)

29. Phase angle is associated with frailty in community-dwelling older adults

Güner M., CEYLAN S., OKYAR BAŞ A., KAHYAOĞLU Z., ÇÖTELİ S., KOCA M., et al.

Nutrition , cilt.116, 2023 (SCI-Expanded, Scopus)

30. Lower gastrocnemius muscle stiffness, derived from elastography, is an independent factor for falls in older adults

Baş H., OKYAR BAŞ A., CEYLAN S., Güner M., KOCA M., HAFIZOĞLU M., et al.

Aging Clinical and Experimental Research , cilt.35, sa.12, ss.2979-2986, 2023 (SCI-Expanded, Scopus)

31. Turkish translation, cross-cultural adaptation and reliability of the Groningen Frailty Indicator

Güner M., CEYLAN S., OKYAR BAŞ A., KOCA M., DOĞU B. B., HALİL M. G., et al.

BMC Geriatrics , cilt.23, sa.1, 2023 (SCI-Expanded, SSCI, Scopus)

32. The role of ultrasonographically measured rectus femoris muscle on falls in community-dwelling older adults: a single-center study

Güner M., BOĞA İ., TOPUZ S., OKYAR BAŞ A., CEYLAN S., ÇÖTELİ S., et al.

European Geriatric Medicine , cilt.14, sa.5, ss.1065-1073, 2023 (SCI-Expanded, Scopus)

33. Letter to Editor: Longitudinal trajectories of dietary quality and cognitive performance in older adults: Results from a 6-year cohort study

Ceylan S., OKYAR BAŞ A., Güner M.

Clinical Nutrition , cilt.42, sa.8, ss.1534, 2023 (SCI-Expanded, Scopus)

34. Pan-immune inflammation value; a novel biomarker reflecting inflammation associated with frailty

OKYAR BAŞ A., Güner M., Ceylan S., HAFIZOĞLU M., ŞAHİNER Z., DOĞU B. B., et al.

Aging Clinical and Experimental Research , cilt.35, sa.8, ss.1641-1649, 2023 (SCI-Expanded, Scopus)

35. Older patients’ driving safety with the help of DRIVING SIMULATOR: Which cognitive test can predict better driving safety?

EŞME M., ARAN O. T., BALCI C., TEMİZKAN E., CEYLAN S., Koca M., et al.

Acta Medica , cilt.54, sa.2, ss.135-144, 2023 (TRDizin)

36. Use of Absorbent Products in Older Men and Women Are Associated with Depressive Symptoms: A Retrospective Study from a University Hospital

GÜNER M., Ozcan M., CEYLAN S., OKYAR BAŞ A., BALCI C., HALİL M., et al.

European journal of geriatrics and gerontology (Online) , cilt.5, sa.1, ss.78-83, 2023 (Scopus, TRDizin)

37. The Validation of the Turkish Version of the PRISMA-7 Questionnaire; A Case-finding Instrument for Detecting Older Adults Living with Frailty

OKYAR BAŞ A., CEYLAN S., GÜNER M., Koca M., YAVUZ B. B., HALİL M., et al.

European journal of geriatrics and gerontology (Online) , cilt.5, sa.1, ss.52-58, 2023 (Scopus, TRDizin)

38. Changes in muscle quality identified by shear-wave elastography and association with sarcopenia

OKYAR BAŞ A., Bas H., CEYLAN S., GÜNER OYTUN M., KOCA M., HAFIZOĞLU M., et al.

JOURNAL OF PARENTERAL AND ENTERAL NUTRITION , cilt.47, ss.253-264, 2023 (SCI-Expanded, Scopus)

39. How does hospitalization affect the frailty status of geriatric patients? Prospective study from internal medicine wards of a university hospital

CEYLAN S., GÜNER OYTUN M., OKYAR BAŞ A., BALCI C., HALİL M. G., CANKURTARAN M., et al.

Chronic Illness , 2023 (SCI-Expanded, SSCI, Scopus)

40. Memory T cell responses in seronegative older adults following SARS-CoV-2 vaccination.

Hafızoğlu M., Bas A. O., Tavukçuoğlu E., Sahiner Z., Oytun M. G., Ulutürk S., et al.

Clinical immunology communications , cilt.2, ss.154-158, 2022 (TRDizin)

41. Cognitive assessment in the time of pandemics: mandatory surgical face mask usage affects cognitive test performance of older adults

OKYAR BAŞ A., GÜNER OYTUN M., CEYLAN S., Ozturk Y., KAHYAOĞLU Z., Cavus Oglu C., et al.

PSYCHOGERIATRICS , cilt.22, sa.6, ss.786-794, 2022 (SCI-Expanded, Scopus)

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