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  1. Article ; Online: Liver Stiffness Is Markedly Decreased After Chronic Hepatitis C Treatment.

    Gulumsek, Erdinc / Sumbul, Hilmi Erdem / Buyuksimsek, Mahmut / Demir, Kubra / Koc, Ayse Selcan / Tas, Adnan / Bulut, Yurdaer / Kara, Banu

    Ultrasound quarterly

    2022  Volume 38, Issue 2, Page(s) 142–148

    Abstract: Aim: The aim of the study was to demonstrate the liver stiffness (LS) change in chronic hepatitis C (CHC) patients obtained by elastography point quantification technique in before and after antiviral treatment (AVT).: Material and methods: This ... ...

    Abstract Aim: The aim of the study was to demonstrate the liver stiffness (LS) change in chronic hepatitis C (CHC) patients obtained by elastography point quantification technique in before and after antiviral treatment (AVT).
    Material and methods: This prospective study included 84 patients diagnosed with CHC who had not previously received treatment for CHC and who had an indication for using direct-acting AVT. Necessary measurements were recorded with noninvasive liver fibrosis (LF) examinations. Posttreatment control of patients was carried out (ombitasvir + paritaprevir + ritonavir) + 3 months after the start of treatment for those treated with dasabuvir and 6 months after the start of treatment for patients treated with sofosbuvir + ribavirin. Liver stiffness changed after AVT is accepted as (Δ-LS), LS before AVT-LS after AVT.
    Results: Basal LS was found to decrease significantly after AVT (8.00 ± 2.56 kPa vs 6.95 ± 2.86 kPa, P < 0.05). Similar aspartate aminotransferase-to-platelet ratio index and platelet number fibrosis 4 indices were observed before and after AVT (P > 0.05). It was observed that Δ-LS value after AVT was lower in patients with Child-Pugh class A cirrhosis than patients without cirrhosis (P < 0.05). In the comparison between Δ-LS value after AVT and LF score determined by liver biopsy, it was seen that the greatest Δ-LS value was in patients with fibrosis score of 3. An independent relationship was found between Δ-LS after AVT and LF score determined by biopsy (P < 0.05).
    Conclusions: The LS value determined by the elastography point quantification technique is more effective than other noninvasive laboratory methods in demonstrating the CHC treatment response in clinical practice.
    MeSH term(s) Antiviral Agents/therapeutic use ; Elasticity Imaging Techniques/methods ; Hepatitis C, Chronic/complications ; Hepatitis C, Chronic/diagnostic imaging ; Hepatitis C, Chronic/drug therapy ; Humans ; Liver/diagnostic imaging ; Liver/pathology ; Liver Cirrhosis/diagnostic imaging ; Prospective Studies
    Chemical Substances Antiviral Agents
    Language English
    Publishing date 2022-06-01
    Publishing country United States
    Document type Journal Article
    ZDB-ID 645107-x
    ISSN 1536-0253 ; 0894-8771
    ISSN (online) 1536-0253
    ISSN 0894-8771
    DOI 10.1097/RUQ.0000000000000572
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: New-Generation Anaplastic Lymphoma Kinase Inhibitor Experience in a Case With Non-Small Cell Lung Cancer: High Efficacy but Unexpected Toxicity.

    Buyuksimsek, Mahmut / Paydas, Semra / Yetisir, Abdullah Evren / Mirili, Cem / Ogul, Ali / Basdogan, Servet / Tohumcuoglu, Mert / Bulut, Yurdaer

    American journal of therapeutics

    2020  Volume 28, Issue 6, Page(s) e799–e801

    Language English
    Publishing date 2020-03-20
    Publishing country United States
    Document type Journal Article
    ZDB-ID 1280786-2
    ISSN 1536-3686 ; 1075-2765
    ISSN (online) 1536-3686
    ISSN 1075-2765
    DOI 10.1097/MJT.0000000000001115
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article ; Online: Disease Severity Affects Ventricular Repolarization Parameters in Patients With COVID-19.

    Koc, Mevlut / Sumbul, Hilmi Erdem / Gulumsek, Erdinc / Koca, Hasan / Bulut, Yurdaer / Karakoc, Emre / Turunc, Tuba / Bayrak, Edip / Ozturk, Huseyin Ali / Aslan, Muhammed Zubeyir / Demirtas, Abdullah Orhan / Icen, Yahya Kemal

    Arquivos brasileiros de cardiologia

    2020  Volume 115, Issue 5, Page(s) 907–913

    Abstract: Background: There is no study evaluating the Tpeak-Tend (Tpe) interval, Tpe/QT ratio, and Tpe/QTc ratio to assess cardiac arrhythmias in patients with COVID-19.: Objective: We aimed to examine whether there is a change in QT, QTc, Tpe interval, Tpe/ ... ...

    Title translation A Gravidade da Doença Afeta os Parâmetros de Repolarização Ventricular em Pacientes com COVID-19.
    Abstract Background: There is no study evaluating the Tpeak-Tend (Tpe) interval, Tpe/QT ratio, and Tpe/QTc ratio to assess cardiac arrhythmias in patients with COVID-19.
    Objective: We aimed to examine whether there is a change in QT, QTc, Tpe interval, Tpe/QT ratio, and Tpe/QTc ratio in patients with COVID-19.
    Methods: The study included 90 patients with COVID-19 infection and 30 age-and-sex-matched healthy controls. QT, QTc, Tpe interval, Tpe/QT ratio, and Tpe/QTc ratio were measured. The participants included in the study were divided into the following 4 groups: healthy controls (group I), patients with COVID-19 without pneumonia (group II), patients with COVID-19 and mild pneumonia (group III), and patients with COVID-19 and severe pneumonia (group IV). Statistical significance was set at p < 0.05.
    Results: It was found that baseline heart rate, presence of hypertension and diabetes, white blood cell count, blood urea nitrogen, creatinine, potassium, aspartate aminotransferase, alanine aminotransferase, NT-proBNP, high sensitive C reactive protein, D-dimer, hs-cTnI, Tpe, Tpe/QT, and Tpe/QTc increased from group I to group IV, and they were significantly higher in all patients in group IV (p < 0.05). Systolic-diastolic blood pressure, hemoglobin, and calcium levels were found to be lowest in group IV and significantly lower than in other groups (< 0.05). QT and QTc intervals were similar between groups. It was determined that increased heart rate, calcium, D-dimer, NT-proBNP and hs-CRP levels were significantly related to Tpe, Tpe/QT, and Tpe/QTc.
    Conclusions: In patients with COVID-19 and severe pneumonia, Tpe, Tpe/QT ratio, and Tpe/QTc ratio, which are among ventricular repolarization parameters, were found to be increased, without prolonged QT and QTc intervals. In this study, we cannot definitively conclude that the ECG changes observed are directly related to COVID-19 infection or inflammation, but rather associated with severe COVID-19 scenarios, which might involve other causes of inflammation and comorbidities. (Arq Bras Cardiol. 2020; 115(5):907-913).
    MeSH term(s) Arrhythmias, Cardiac/diagnosis ; Arrhythmias, Cardiac/virology ; COVID-19/complications ; Case-Control Studies ; Electrocardiography ; Heart Ventricles/physiopathology ; Humans ; Pandemics ; SARS-CoV-2 ; Severity of Illness Index
    Language English
    Publishing date 2020-12-09
    Publishing country Brazil
    Document type Journal Article
    ZDB-ID 730261-7
    ISSN 1678-4170 ; 0066-782X
    ISSN (online) 1678-4170
    ISSN 0066-782X
    DOI 10.36660/abc.20200482
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  4. Article ; Online: Modified Lung Ultrasound Score in Evaluating the Severity of Covid-19 Pneumonia.

    Sumbul, Hilmi Erdem / Koc, Ayse Selcan / Pınar, Arzu / Aslan, Muhammed Zubeyir / Gulumsek, Erdinc / Koca, Hasan / Bulut, Yurdaer / Karakoc, Emre / Turunc, Tuba / Bayrak, Edip / Ozturk, Huseyin Ali / Avci, Akkan / Unal, Ilker / Icen, Yahya Kemal / Koc, Mevlut / Sahin, Ahmet Riza / Okyay, Ramazan Azim

    Ultrasound in medicine & biology

    2021  Volume 47, Issue 8, Page(s) 2080–2089

    Abstract: Severe acute respiratory syndrome coronavirus 2 causes coronavirus disease 2019 (Covid-19), which has been declared as a pandemic by the World Health Organization. The aim of the study described here was to determine the severity of pneumonia and the ... ...

    Abstract Severe acute respiratory syndrome coronavirus 2 causes coronavirus disease 2019 (Covid-19), which has been declared as a pandemic by the World Health Organization. The aim of the study described here was to determine the severity of pneumonia and the clinical parameters related to a modified lung ultrasound score (mLUS) in patients with COVID-19 pneumonia. The study included 44 patients with proven COVID-19 pneumonia. Patients were divided into three groups on the basis of pneumonia severity: mild/moderate pneumonia (group I), severe pneumonia (group II) and critically ill patients (group III). It was determined that mLUS values in groups I-III were 6.51 ± 4.12, 23.5 ± 5.9 and 24.7 ± 3.9, respectively. mLUS values were significantly higher in group II and III patients than in group I patients. There was a positive relationship between mLUS and age and N-terminal pro-brain natriuretic peptide level and a negative relationship with P
    Language English
    Publishing date 2021-04-30
    Publishing country England
    Document type Journal Article
    ZDB-ID 186150-5
    ISSN 1879-291X ; 0301-5629
    ISSN (online) 1879-291X
    ISSN 0301-5629
    DOI 10.1016/j.ultrasmedbio.2021.04.023
    Database MEDical Literature Analysis and Retrieval System OnLINE

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