Meryem Merve Ören

Meryem Merve Ören
Istanbul University · Department of Public Health (Istanbul Medical Faculty)

MD

About

72
Publications
10,000
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400
Citations
Citations since 2016
67 Research Items
400 Citations
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2016201720182019202020212022020406080100120140
2016201720182019202020212022020406080100120140
2016201720182019202020212022020406080100120140
Additional affiliations
August 2012 - April 2017
Istanbul University
Position
  • Medical Doctor

Publications

Publications (72)
Article
Purpose While the definitive diagnosis of COVID-19 relies on PCR confirmation of the virus, the sensitivity of this technique is limited. The clinicians had to go on with the clinical diagnosis of COVID-19 in selected cases. We aimed to compare PCR-positive and PCR-negative patients diagnosed as COVID-19 with a specific focus on older adults. Meth...
Article
PurposeEWGSOP2 defines “probable sarcopenia” as the presence of low muscle strength without non-muscle causes. The associations of probable sarcopenia have been studied in few reports to date, and our intention in this study is to identify associations of probable sarcopenia with common geriatric syndromes in a sample of older adults who attended t...
Article
Full-text available
Background Previous studies have evaluated the prognostic effects of sarcopenia in cancer patients receiving various treatments, including chemotherapy and surgery, but few studies have focused on radiotherapy (RT). Aims We aimed to investigate the prevalence of sarcopenia and the relationship between sarcopenia and outcomes in older cancer patien...
Article
Background While there are substantial reports on the acute phase of Covid-19, the data on post-Covid phase are limited. Aim To report the data on older post-Covid patients comparatively with the young adults. Study design Retrospective, single-center study in post-Covid outpatient clinic. Clinical characteristics, laboratory examination, chest i...
Poster
Background: Frailty, sarcopenia and fragility fractures are powerful correlated and all of them are predictors of clinical adverse outcomes. Elderly individuals with have a fragility fracture should be assessed for frailty and sarcopenia to better develop a care plan. For these reason interventions are necessary to determinate and treat frailty. Th...
Article
Full-text available
Background Sarcopenia is associated with an increased likelihood of major adverse health outcomes. Therefore, screening and early and timely identification of sarcopenia are essential. EWGSOP2 (European Working Group on Sarcopenia in Older People2) suggests Ishii screening test for formal-case findings. We aimed to define the diagnostic value of th...
Article
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Background and aims The alpha-actinin (ACTN) genes are important structural components of the sarcomere. Sarcopenia is a common geriatric syndrome characterized by morbidity and mortality. Our study aimed to examine the relationship between the ACTN3 R577X gene and sarcopenia in community-dwelling Turkish adults. Methods We designed a cross-sect...
Article
Introduction Frailty, sarcopenia and fragility fractures are powerful correlated and all of them are predictors of clinical adverse outcomes. Elderly individuals with have a fragility fracture should be assessed for frailty and sarcopenia to better develop a care plan. For these reason interventions are necessary to determinate and treat frailty....
Article
Full-text available
Background: In chronic hepatitis B patients with or exposed to the risk of osteoporosis or renal dysfunction, switching from tenofovir disoproxil fumarate (TDF) to tenofovir alafenamide fumarate (TAF) or entecavir (ETV) may be the right choice. Objectives: This study aimed to present real-life data in terms of the efficacy and safety of a TAF/ETV t...
Article
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Güney Afrika’da ilk vaka 5 Mart’ta tespit edilmiş ve sıkı bir kapanma uygulaması ile pandemi alanı dar tutulmaya çalışılmıştır. Bu kapanmada halkın sosyoekonomik durumundaki etkilenimin pandemiden daha ciddi ikincil sağlık sorunları oluşturması ile ilgili belirsizlik sürmektedir. Ülkede uzman sağlık çalışanlarından oluşan bir danışma komisyonu kuru...
Article
Full-text available
Introduction: Even though Istanbul is one of the centers of the world’s fastest-growing tourism and travel sector, there are limited statistics on the knowledge, attitudes, and practices (KAP) of travelers from this region regarding travel-related infectious diseases. This study aimed to determine the passengers’ KAP about contagious diseases and c...
Article
Aim Central Nervous System (CNS) infection after neurosurgical procedures is a severe complication with high morbidity rates and sometimes mortality. The present experimental study aims to investigate the biochemical and histopathological effects of vancomycin on neural tissues when applied to the cisterna magna. Material and Method Wistar albino...
Article
Full-text available
Background The sarcopenia quality-of-life (SarQoL)® questionnaire is a multidimensional sarcopenia specific tool designed for community dwelling older adults.AimsThe aim of this study was to translate, to cross-culturally adapt and validate the SarQoL® questionnaire to assess sarcopenia-related quality of life in Turkish older adults.Methods The va...
Preprint
Full-text available
Background: After March 2020, with the first case of novel coronavirus, Turkish health care system switched to state of emergency to manage the COVID-19 pandemic. In order to control the pandemic, a scientific committee was established, guidelines were prepared, and filiation/contact tracing studies were started. Field investigation and isolation t...
Article
Full-text available
Objective: This study was done to determine the need for technological systems in diabetes patients using insulin in Turkey, and to investigate the relationship between diabetes control and their smartphone apps. Material and Methods: This descriptive cross-sectional type of study was carried out with 506 diabetic patients using insulin who were fo...
Article
Our aim was to investigate the prevalence of sarcopenia in stroke patients, the relationship between sarcopenia detected with different low muscle mass (LMM) adjustment methods, and between stroke-related parameters. Eighty-one patients with chronic stroke who underwent inpatient rehabilitation were included. Spasticity was evaluated by modified As...
Article
Introduction/Aims Videonystagmography (VNG) which directly records eye movements using infrared video goggles with mini-cameras, is used to measure nystagmus. Our aim is to explore whether VNG can be used to detect a decrement in the extraocular muscle (EOM) activity of patients with myasthenia gravis (MG). Methods Thirty-four patients with MG, in...
Article
Full-text available
Objective Occult hepatitis B infection (OHBI) appears to have a higher prevalence in populations at high risk for hepatitis B virus (HBV) infection with concomitant liver disease. The aim was to assess the prevalence of OHBI in a sample of human immunodeficiency virus ‐1 positive and HBV surface antigen negative (HIV‐1+/HBsAg‐) Turkish patients. M...
Article
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Objective Explicit screening tools and implicit evaluation methods have been developed to assist healthcare professionals in the management of pharmacotherapy in older adults. As prescribing habits and locally available medications vary considerably between countries, guides tailored to the needs of specific regions may be required. We aimed to rep...
Article
Objective To assess whether low systolic blood pressure (SBP) or diastolic blood pressure (DBP) due to antihypertensive medications might be related to mortality among nursing home (NH) residents. Design Observational, longitudinal. Setting Nursing home. Participants Age ≥60 years, receiving antihypertensive medications. Measurements Demographi...
Article
Introduction: In Turkey, the number of infected people with HIV-1 increased five-fold between the years 2011-2018. In 2019, 20202 HIV-infected individuals and 1786 AIDS patients were reported. It is necessary to update the physicians’ knowledge on medical, ethical, legal and social issues about HIV infected patients, and to increase the number of p...
Preprint
Full-text available
Research of Occult Hepatitis B Infection in HIV-infected Patients, Schindler Study ABSTRACT Objective: Occult hepatitis B infection seems to be more prevalent among subjects at high risk for HBV infection and with concomitant liver disease. The aim of this study was to assess the prevalence of OHBI in group of HIV-1+/HBsAg- Turkish patients. Method...
Article
Background: Chronic hepatitis B (CHB) is a viral infection that can result in life-threatening conditions, such as hepatocellular carcinoma and cirrhosis. Tenofovir, which is used for the treatment of CHB, is a nucleotide analog that inhibits HBV-DNA polymerase and has two formulations: disoproxil and alafenamide. In contrast to tenofovir disoproxi...
Article
Background/PurposeThere has been a rapid increase in the use of non-vitamin K-antagonist oral anticoagulants (NOAC). Current guidelines recommend dose adjustments be made in accordance with certain criteria for each NOAC. This study is aimed at determining whether or not NOAC were prescribed for non-valvular atrial fibrillation (AF) in guideline-re...
Article
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Introduction: Many countries have closed schools in order to prevent the spread of COVID-19. As a result, adolescents have become socially isolated. Aim: The aim of this cross-sectional study was to determine the psychosocial effects of the COVID-19 pandemic on students attending a private high school in Istanbul, Turkey. Material and methods: Part...
Conference Paper
Full-text available
AMAÇ: Bu çalışmada gebelikte akut flank ağrının gebelik sayısı ve hidronefroz ile ilişkisini araştırmayı amaçladık. GEREÇ-YÖNTEM: Çalışmaya akut flank ağrı ile başvuran 48 hasta dahil edildi. Enfeksiyon bulgusu olan, idrar analizi anormal, üreter veya böbrek taşı olan hastalar çalışmaya dahil edilmedi. Gebelerin ağrı dışında herhangi bir semptomu y...
Chapter
COVID-19 tüm Aralık 2019'dan itibaren dünyada milyonlarca vakaya ve yüzbinlerce ölüme neden olmuş ve bugün hala spesifik bir tedavi veya aşısı bulunmamış etkisini sürdüren bir pandemidir. Bu pandeminin gebelik veya yenidoğan döneminde etkileri ile ilgili sınırlı çalışma bulunmaktadır. Gebelikte COVID-19 için artmış bir risk saptanmamışken, gebe kad...
Article
Objective Vasospasm frequently developed after subarachnoid hemorrhage is one of the most important causes of mortality and morbidity. Lutein is a carotenoid with antioxidant and anti-inflammatory properties. The aim of present study is to investigate effects of lutein on the basilar artery and nerve tissues. Methods Wistar rats used in study were...
Chapter
COVID 19 pandemic, which has caused widespread panic in the world, is still in effect as of the end of April 2020. It has caused over two million cases and nearly a million deaths across the world. It's mortality rate in the world is 6.9% which continues to decrease. R0 value for SARS-CoV2 is calculated as 1.4- 3.9 and countries have taken lots of...
Article
Full-text available
Background/aim Polypharmacy and inappropriate medication use in older adults is a major public health problem associated with morbidity and mortality. Aging is associated with metabolic changes and decreased drug clearance, increased drug–drug interactions, prescribing cascades, and potentially inappropriate medication (PIM) use. The purpose of thi...
Article
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PurposeTo improve prescribing in older adults, criterion sets have been introduced from different countries. While current criterion sets are useful to some extent, they do not meet the need in some European countries. Turkish inappropriate medication use in the elderly (TIME) criteria was planned to meet this need.Methods In phase 1, the user frie...
Article
Background: The need for health services is increasing steadily and hospital resources to meet this need are quite limited. Patients who need home-based health care (HBHC) constitute a significant part of this need. The aim of this study was to determine the dependence levels and related factors of HBHC patients in Istanbul. Methods: Our descriptiv...
Article
Full-text available
Objective: According to 2017 records 17.000 people are infected with HIV (human immunodeficiency virus) in Turkey. Drug compliance is one of the most important points in the treatment of the disease. Patient training is very important in HIV / AIDS treatment. This study aimed to evaluate drug compliance in a patient group undergoing training interv...
Article
Purpose: Urinary incontinence (UI) is a common cause of morbidity in the female older adult. Identification of factors associated with UI is necessary to identify risky individuals, to take preventive measures, and to recognize commonly associated co-morbidities. We suggest that sarcopenia may be associated with UI through decrease in muscle mass/s...
Article
Full-text available
Purpose To investigate the effects of preoperative somatostatin analogue (SSA) treatment on the annual cost of all acromegaly treatment modalities and on remission rates. Methods The medical records of 135 patients with acromegaly who were followed at endocrinology clinic of Cerrahpasa Medical Faculty for at least 2 years after surgery between 200...
Article
Background: Spinal cord injury (SCI) may result in neuromotor, sensory, and autonomic function damages. Edema because of spinal cord trauma can reach serious dimensions. The aim of this study was to histologically evaluate the effects of duraplasty on neural tissues. Methods: Twenty-eight Wistar rats were randomly divided into 4 experimental gro...
Article
Full-text available
Aim: Beyin omurilik sıvısı (BOS) fistüllerinin kaynağını tespit etmek için bazı merkezlerde kullanılan intratekal florescein ile ilgili başarılı sonuçlar bildirmiştir. Intratekal floresein uygulaması çeşitli komplikasyonlarla ilişkili olabilir. Çalışmamızda fluoresceinin sinir dokuları üzerindeki etkisini histolojik olarak araştırdık. Material an...
Article
Full-text available
Kubra Aydin,1 Meryem Merve Oren,2 Tugba Aydin3 1Ataturk University School of Medicine, Department of Internal Medicine, Division of Nephrology, Ataturk University, Yakutiye 25100, Erzurum, Turkey; 2Istanbul University, Istanbul Medical School, Department of Public Health, Capa 34390, Istanbul, Turkey; 3Istanbul Physical Medicine and Rehabilitation...
Article
Full-text available
Objective: We aimed to develop a new screening tool for self-neglect in community-dwelling self-sufficient older adults. Methods: Istanbul Medical School Elder Self-Neglect questionnaire (IMSelf-neglect) was developed as a screening tool. Community-dwelling, self-sufficient older adults were recruited in a geriatric outpatient clinic (n = 226, 142...
Article
Muscle strength is usually measured using isometric hand-held dynamometers (HHDs) in the clinic. However, during functional activities, the muscle acts more dynamically. The aim of this study was to investigate the relation between clinically measured plantar flexor (PF) muscle strength (PFMS) and laboratory measurements of peak ankle plantar flexi...
Article
Full-text available
Tuğba Aydin,1 Meryem Merve Oren,2 Gulistan Bahat3 1Istanbul Physical Medicine and Rehabilitation Training Hospital, Istanbul, Turkey; 2Department of Public Health, Istanbul Medical School, Istanbul, Turkey; 3Department of Internal Medicine, Division of Geriatrics, Istanbul Medical School, Istanbul, TurkeyIn their study, Mendoza-Núñez et al studied...
Article
Objective To compare the diagnostic value of the SARC-F combined with calf circumference (SARCCalF) with the standard SARC-F to screen sarcopenia in community-dwelling older adults. DesignCross-sectional, diagnostic accuracy study. SettingGeriatric outpatient clinic of a university hospital. ParticipantsOlder adults >= 65 years. MeasurementsMuscle...
Article
Full-text available
Abstract: Objective: To assess the reliability and validity of Turkish version of SARC-F in regard to screening with current definitions of sarcopenia, muscle mass and functional measures. Design: Cross-sectional study. Participants: Community-dwelling older adults aged >=65 years admitting to a geriatric outpatient clinic. Measurements: Muscle mas...
Article
Full-text available
Objective: We aimed to investigate reliability and validity of the Turkish version of the Simplified Nutritional Appetite Questionnaire (SNAQ) in geriatric outpatients. Design/setting: A cross-sectional study was designed through 2013-2016 years. At first, translation and back translation processes of the SNAQ from English to Turkish languages w...
Article
Full-text available
Aim: The rates and reasons why clinicians decide not to follow recommendations from explicit-criteria have been studied scarce. We aimed to compare STOPP version 2 representing one of the most commonly used excplicit tool with the implicit comprehensive geriatric assessment mediated clinical evaluation considered as gold standard. Methods: Two hund...
Article
Full-text available
Sarcopenia is a well-identified process of aging known to cause functional deterioration, falls, fractures, frailty and mortality. Considering the global aging population, sarcopenia assessment has become a public health priority because its early detection is expected to prevent or decrease adverse outcomes through commencement of therapeutic meas...
Article
Full-text available
Objective: The SARC-F scale is a recently developed practical tool to screen for sarcopenia and the score ≥4 is defined as positive. We aimed to perform its Turkish language validation. Methods: This study is a part of SARC-F Validation Study of sarcopenia special interest group of EUGMS. Firstly a bilingual expert translated SARC-F in Turkish and...
Article
Full-text available
Aim To assess the relationship between corrected QT (QTc) interval and vitamin 25-hydroxyvitamin D levels (25-OHD) deficiency in type 2 diabetic patients. Methods The study included 253 patients with type 2 diabetes and 170 age-matched controls treated between October and December 2013. QTc duration and QTc dispersion were measured on ECG recordin...
Article
Full-text available
Objective: To evaluate the effect of BCG vaccination technique to post BCG reactions and scarring. Material and Methods: Eighty four children were enrolled in this descriptive, observational study. All of them received 0.05 ml of BCG of Serum Institute of India Ltd at 2 months of age, in the upper left deltoid region. A detailed questionnaire was c...
Article
Full-text available
ABSTRACT Objective: Food-borne diseases are a public health issue. They can be prevented by improving sanitation conditions and screening refectory staff periodically for carriage of potentially infectious organisms. This screening may include nose, throat and stool cultures. The objective of this study is to evaluate the analyses of nose, throat a...
Article
Full-text available
Bu araştırma, gebe kadınların anne sütü ve emzirmeye ilişkin bilgi ve tutumlarını değerlendirmek amacıyla yapılmıştır. Çalışma 2014 yılında İstanbul ilinde bir aile sağlığı merkezinde yapılmıştır. 01.01.2014 - 28.02.2014 tarihleri arasında aile sağlığı merkezine başvuran 200 gebeye anne sütü ve emzirme ile ilişkili bir anket uygulanmış; veriler yüz...

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Project
The aim of this study is to examine the filiation studies from the perspective of the employees of the district health directorate in six districts of the Istanbul Provincial Health Directorate in the fight against the COVID-19 pandemic. / Bu çalışmanın amacı, COVID-19 pandemisi ile mücadelede İstanbul İl Sağlık Müdürlüğüne bağlı altı ilçede ilçe sağlık müdürlüğü çalışanlarının bakış açısıyla filyasyon çalışmalarının irdelenmesidir.