Publications by authors named "Kemal Avci"

The rising popularity of wearable activity tracking devices can be attributed to their capacity for gathering and analysing ambient data, which finds utility across numerous applications. In this study, a wearable activity tracking device is developed using the BBC micro:bit development board to identify basic bachata dance steps. Initially, a pair of smart ankle bracelets is crafted, employing the BBC micro:bit board equipped with a built-in accelerometer sensor and a Bluetooth module for transmitting accelerometer data to smartphones.

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  • * Among 106 patients, 83 had CN, and those who had the surgery could continue their nivolumab treatment for longer (14.5 months) compared to those who didn't have the surgery (6.7 months).
  • * Overall survival was better for patients with CN (22.9 months) compared to those without it (8.1 months), but the surgery and certain medical scores were important factors for how long they lived.
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Tranexamic acid (TXA) is a medication used to treat or prevent excessive blood loss due to certain medical conditions. It has a low side effect profile and is safe to administer in most instances. Anaphylaxis cases due to intravenous TXA have been reported in the literature.

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  • - This study aimed to identify factors affecting disease-free survival (DFS) in patients with medullary thyroid carcinoma (MTC), as previous research in this area has been limited.
  • - Researchers analyzed data from 257 patients, finding that 51% had persistent/recurrent disease while 49% had no evidence of disease at follow-up, with various factors like age, metastasis, and initial response influencing DFS outcomes.
  • - The key finding was that the lack of an excellent response after initial treatment is the strongest predictor of worse DFS, highlighting the need for diligent follow-up even in patients who initially respond well.
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Objective: Cisplatin-associated acute kidney injury is a common clinical event that causes increased morbidity and mortality in cancer patients even if they are categorized as having normal functioning kidneys. We aimed to determine predictive factors that can predict acute kidney injury associated with cisplatin therapy in patients with normal renal function by comparison of pre-chemotherapy estimated glomerular filtration rates calculated separately by Cockcroft and Gault (CG), the Modification of Diet in Renal Disease (MDRD), and the Chronic Kidney Disease Epidemiology Collaboration (CKD-EPİ) equations and accompanying patient-associated factors.

Materials And Methods: A total of 200 patients diagnosed with lung cancer and determined to have normal functioning kidneys and considered cisplatin eligible by the attending physician before chemotherapy were included in this retrospective study.

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This study aimed to explore the effectiveness and safety of (MYXV) in MM cell lines and primary myeloma cells obtained from patients with multiple myeloma. Myeloma cells were isolated from MM patients and cultured. MYXV, lenalidomide, and bortezomib were used in MM cells.

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Objective: To determine the predictive factors for the pathological complete response (pCR) in patients with non-ductal invasive breast cancer (ND-BC) receiving neoadjuvant chemotherapy.

Study Design: Observational study. Place and Duration of the Study: Departments of Medical Oncology, Tekirdag Namik Kemal University, Sirnak State Hospital, Aydin Adnan Menderes University, Marmara University, Bakirkoy Sadi Konuk Hospital, Basaksehir Cam and Sakura Hospital, Sakarya University, Balıkesir Ataturk Hospital, Turkiye, from April 2016 to December 2022.

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Objectives: Despite the presumed overdiagnosis of papillary thyroid microcarcinoma (PTMC) which has resulted in a new trend toward less-extensive surgery and a preference for active surveillance, the impact of microscopic extrathyroidal extension (mETE) on the clinical outcomes of PTMC is still controversial. This study assessed the impact of mETE on the clinical outcomes of patients with classic subtype PTMC.

Methods: The data of consecutive patients who underwent thyroidectomy and were histopathologically diagnosed as classic subtype PTMC were analyzed.

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Introduction: In this study, the toxicities and management of palbociclib and ribociclib in older patients (≥65 years) with metastatic breast cancer patients were investigated.

Materials And Methods: Among older patients receiving palbociclib and ribociclib, Geriatric 8 (G8) and Groningen Frailty Index were used to evaluate frailty status. Dose modifications, drug withdrawal and other serious adverse events (SAEs) were recorded and analyzed according to baseline patient characteristics.

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Background: This experimental comparative study was to evaluate the local effects of three different suture materials on in-testinal anastomosis healing.

Methods: Ethical approval was obtained from the University of Ethical Committee (E-60758568-020-176720). A prospective, experimental comparative analysis was conducted on 24 rats.

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Introduction: Crizotinib is a tyrosine kinase inhibitor used in patients with non-small cell lung cancer, and there are uncertainties about its effect on kidney function. In this study, it was aimed to document the possible adverse effect of the drug on kidney functions.

Materials And Methods: The estimated glomerular filtration rates (eGFRs) of the patients were calculated by creatinine-based Chronic Kidney Disease Epidemiology Collaboration and compared by months using the paired samples t-test.

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Objective: To predict short and long-term mortality in patients who were admitted to the emergency department and then hospitalised unplanned in medical oncology-ward.

Study Design:  An observational study. Place and Duration of the Study: Department of Medical Oncology, Tekirdag Namik Kemal University Hospital, Tekirdag, Turkiye, from May 2021 to May 2022.

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Aim: The primary aim of this study was to compare tamoxifen versus aromatase inhibitors (AI) in terms of urinary incontinence (UI) in premenopausal female patients receiving adjuvant hormone therapy for breast cancer. A secondary aim was to investigate the prevalence and the affecting factors of UI.

Methods: This study was designed as a multicenter, cross-sectional that included consecutive premenopausal breast cancer patients ≤50 years of age receiving tamoxifen (with/without LHRHa) or AI (with LHRHa) for at least 6 months, between June 2021 and September 2022.

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Objective: The aim of this study was to investigate the predictive importance of the previously validated log(ER)*log(PgR)/Ki-67 predictive model in a larger patient population.

Methods: Patients with hormone receptor positive/HER-2 negative and clinical node positive before chemotherapy were included. Log(ER)*log(PgR)/Ki-67 values of the patients were determined, and the ideal cutoff value was calculated using a receiver operating characteristic curve analysis.

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Histologically aggressive micropapillary thyroid carcinomas (PTMC) subtypes are thought to be associated with an aggressive clinical course. However, evidence for unfavorable clinical outcomes in patients with aggressive PTMC subtypes is not clear. In this study, we intended to determine the difference in clinical outcomes between patients with aggressive and non-aggressive PTMC subtypes.

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Objective: To evaluate the strongest prognostic factors in advanced gastric cancer.

Study Design: Observational study.

Place And Duration Of Study: Department of Medical Oncology, Tekirdag Namik Kemal University, Tekirdag, Turkey, between March 2012 and April 2022.

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We investigated the frequency of factor 5 Leiden (FVL) and prothrombin gene (PTG) mutations in patients with severe coronavirus disease 2019 (COVID-19). Our primary aim is to reveal whether these mutations are associated with severity of disease and mortality. A total of 249 patients were included in this cross-sectional study.

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In our study, we aimed to evaluate the pathological response rates and side effect profile of adding pertuzumab to the treatment of HER2+ locally advanced, inflammatory, or early-stage breast cancer. This study was conducted by the Turkish Oncology Group (TOG) with data collected from 32 centers. Our study was multicentric, and a total of 364 patients were included.

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Aim Of The Study: Although early diagnosis of breast cancer (BC) is often associated with a good prognosis, there is currently no biomarker with high sensitivity serving this purpose. B7H3, a recently identified member of the B7 family, appears to inhibit antitumor immunity. We investigated the soluble B7H3 (sB7H3) level in BC and its relationship with clinicopathological variables and stromal tumor-infiltrating lymphocytes (sTILs).

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Sentinel lymph node dissection (SLND) is a reliable method that provides axillary staging in clinical node-negative (cN0) breast cancer patients before neoadjuvant chemotherapy (NACT). However, it is not a standard method on its own due to the high false-negative rates (FNR) reported in initially clinical node-positive patients (cN1-cN3). The contribution of magnetic resonance imaging (MRI) to SLND after chemotherapy is not well understood.

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Background: In older patients with cancer, it is very important to choose the appropriate treatment because they are at high risk for chemotherapy toxicity. Our study investigated characteristics of Cancer and Aging Research Group (CARG), Geriatric 8 (G8), and Vulnerable Elders Survey (VES-13) screening tools for predicting chemotherapy-related toxicity (CRT) prospectively.

Materials And Methods: 208 patients aged ≥65 years old for whom chemotherapy was planned to treat non-haematological cancer between February 2021-September 2021 were included in the study.

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Aim: This multi-centered, longitudinal, and prospective study aims to identify women's sexual functions, sexual quality of life, and depression and their relationships with each other in the pregnancy and postpartum periods.

Methods: The participating pregnant women (n = 113) were interviewed six times: once in each trimester, and once in the eighth week third month, and sixth month postpartum. This study was conducted in three regions of Turkey including Marmara, Mediterranean, and Central Anatolia regions.

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Objective: To investigate the influence of music together with visual objects as an ambiance in the waiting room on anxiety levels of breast cancer patients scheduled to receive chemotherapy in outpatient setting for the first time.

Material And Method: Breast cancer patients planned to receive adjuvant or neoadjuvant chemotherapy for the first time between November 1, 2020, and July 31, 2021, were included. Two designs, including a standard waiting room (StWR) and an intervention waiting room (IWR) that was created by adding music and visual objects to the standard room, were constructed.

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Introduction: We conducted a bibliometric analysis to determine the most impactful articles in the oncologic management of elderly cancer patients.

Material And Methods: We searched Web of Science papers with six keywords: "geriat*" OR "older patient*" OR "older adult*" OR "elderly" and "*cancer" OR "oncolog*". We identified and analyzed the top 100 most-cited articles and abstracted information on topic, journal, first author, year, institution, level of evidence, and the adjusted citation index.

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Background: Breast cancer in young women is associated with aggressive biology. We analyzed histopathological and clinical properties of breast cancer patients diagnosed at ≤40 years of age.

Methods: Breast cancer patients who were admitted between 2015 and 2019 were included.

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