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Query: "author" (Vesna Zadnik) .

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1.
Impact of COVID-19 on cancer diagnosis and management in Slovenia : preliminary results
Vesna Zadnik, Ana Mihor, Sonja Tomšič, Tina Žagar, Nika Bric, Katarina Lokar, Irena Oblak, 2020, original scientific article

Keywords: covid-19, oncology, oncology diagnosis, pandemic
Published in DiRROS: 12.07.2024; Views: 1; Downloads: 0
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Prevalence of BRAF, NRAS and c-KIT mutations in Slovenian patients with advanced melanoma
Maja Ebert Moltara, Srdjan Novaković, Marko Boc, Marina Bučić, Martina Reberšek, Vesna Zadnik, Janja Ocvirk, 2018, original scientific article

Abstract: BRAF, NRAS and c-KIT mutations are characteristics of tumour tissues that influence on treatment decisions in metastatic melanoma patients. Mutation frequency and their correlation with histological characteristics in Slovenian population have not been investigated yet. Patients and methods. In our retrospective analysis we analysed mutational status of BRAF, NRAS and c-KIT in 230 pathological samples of patients who were intended to be treated with systemic therapy due to metastatic disease at the Institute of Oncology Ljubljana between 2013 and 2016. We collected also histological characteristics of primary tumours and clinical data of patients and correlated them with mutational status of tumour samples. Results. The study population consisted of 230 patients with a mean age 59 years (range 25%85). 141 (61.3%) were males and 89 (38.7%) females. BRAF mutations were identified in 129 (56.1%), NRAS in 31 (13.5%) and c-KIT in 3 (1.3%) tissue samples. Among the 129 patients with BRAF mutations, 114 (88.4%) patients had V600E mutation and 15 (11.6%) had V600K mutation. Patients with BRAF mutations tended to be younger at diagnosis (52 vs. 59 years, p < 0.05), patients with NRAS mutations older (61 vs. 55 years, p < 0.05). Number of c-KIT mutations were too low for any statistical correlation, but there was one out of 3 melanoma located in mucus membranes. Conclusions. The analysis detected high rate of BRAF mutations, low NRAS mutations and low c-KIT mutations compared to previously published studies in Europe and North America. One of the main reasons for this observation is specific characteristics of study population.
Keywords: BRAF, NRAS, c-KIT, melanoma
Published in DiRROS: 10.06.2024; Views: 101; Downloads: 54
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Health-related quality of life assessed by the EORTC QLQ-C30 questionnaire in the general Slovenian population
Vaneja Velenik, Ajra Šečerov Ermenc, Jasna But-Hadžić, Vesna Zadnik, 2017, original scientific article

Abstract: The aim of our study was to obtain reference data of the EORTC QLQ-C30 quality of life dimensions for the general Slovenian population. We intend to provide the researchers and clinicians in our country with the expected mean health-related quality of life (HRQL) scores for distinctive socio-demographic population groups. Methods. The EORTC QLQ-C30 questionnaire supplemented by a socio-demographic inquiry was mailed or distributed to 1,685 randomly selected individuals in the Slovenian population aged 18 % 90. Answers from 1,231 subjects representing socio-demographic diversity of the Slovenian population were collected and transformed into EORTC dimensions and symptoms. The impact of socio-demographic features on HRQL scores was assessed by multiple linear regression models. Results. Gender, age and self-rated social class are the important confounders in the quality of life scores in our population. Men reported better quality of life on the majority of the specific scales and, at the same time, reported fewer symptoms. There was no gender-specific difference in cognitive functioning. The mean scores were consistently lower with age in both sexes. Conclusions. This is the first study to report the normative EORTC QLQ-C30 scores for one of the south-eastern European populations. The reported expected mean scores allow Slovenian oncologists to estimate what the quality of life in cancer patients would be, had they not been ill. As they are derived by common methodology, our results can easily be included in any further international comparisons or in the calculation of European summarized HRQL scores.
Published in DiRROS: 24.05.2024; Views: 207; Downloads: 142
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6.
Cancer burden in Slovenia with the time trends analysis
Vesna Zadnik, Maja Primic-Žakelj, Katarina Lokar, Katja Jarm, Urška Ivanuš, Tina Žagar, 2017, original scientific article

Abstract: Background The aim of our study was to describe cancer burden and time trends of all cancers combined, the most frequent as well as the rare cancers in Slovenia. Patients and methods The principal data source was the population-based Cancer Registry of Republic of Slovenia. The cancer burden is presented by incidence and prevalence for the period 1950%2013 and by mortality for years 1985%2013. The time trends were characterized in terms of an average annual percent change estimated by the log-linear joinpoint regression. The Dyba-Hakulinen method was used for estimation of incidence in 2016 and the projections of cancer incidence for the year 2025 were calculated applying the Globocan projection software. Results In recent years, near 14,000 Slovenes were diagnosed with cancer per year and just over 6,000 died; more than 94,000 people who were ever diagnosed with cancer are currently living among us. The total burden of cancer is dominated by five most common cancer sites: skin (non-melanoma), colon and rectum, lung, breast and prostate, together representing almost 60% of all new cancer cases. On average the incidence of common cancers in Slovenia is increasing for 3.0% per year in last decade, but the incidence of rare cancers is stable. Conclusions Because cancer occurs more among the elderly, and additionally more numerous post-war generation is entering this age group, it is expected that the burden of this disease will be growing further, even if the level of risk factors remains the same as today.
Keywords: cancer burden, cancer registry, incidence, prevalence
Published in DiRROS: 24.05.2024; Views: 208; Downloads: 183
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Epidemiološke raziskave v onkologiji
Vesna Zadnik, 2024, independent scientific component part or a chapter in a monograph

Keywords: onkologija, epidemiologija, klinične raziskave
Published in DiRROS: 24.04.2024; Views: 224; Downloads: 46
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Ocena potreb po paliativni oskrbi pri odraslih bolnikih z rakom
Teja Oblak, Ana Mihor, Sonja Tomšič, Vesna Zadnik, 2023, published scientific conference contribution abstract

Keywords: paliativna oskrba, bolniki, onkologija
Published in DiRROS: 15.04.2024; Views: 263; Downloads: 77
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9.
Long term follow-up report of cardiac toxicity in patients with multiple myeloma treated with tandem autologous hematopoietic stem cell transplantation
Mirta Koželj, Samo Zver, Vesna Zadnik, 2013, original scientific article

Abstract: Background. Tandem autologous hematopoietic stem cell transplantation (ta-HSCT) is a standard treatment for multiple myeloma (MM). Patients receive a high-dose cyclophosphamide (CY), followed by two myeloablative cycles of melphalan (MEL). There are scarce data about long term cardiotoxicity. Patients and methods. We studied 12 patients (62.25 8.55 years) six years after the completion of MM treatment with ta-HCST. Late cardiotoxic effects were evaluated clinically and echocardiographically. Results. None of the patients developed clinical signs of heart failure, all were in sinus rhythm and NT-pro BNP concentration was elevated (778 902.76 pg/mL). The left ventricular (LV) size remained normal. The LV ejection fraction did not decrease (73.75 5.67%, 69.27 6.13%, p = NS). The LV diastolic function parameters (E, A, ratio E/A and A/a) did not change significantly. In tissue Doppler parameters we observed a nonsignificant decrease in Em (10.26 2.63 cm/s, 7.57 1.43 cm/s) and Sm velocities (8.7 0.87 cm/s, 7.14 1.17 cm/s, p = NS). The E/Em values were in an abnormal range (8.66 1.05, 10.55 2.03). Conclusions. The treatment of MM with ta-HSCT, during which patients receive a high dose CY followed by two myeloablative cycles of MEL, causes mild, chronic, partially reversible and clinically silent cardiotoxic side-effects. However, ta-HSCT in patients with MM is a safe regarding cardiotoxic side effects, but, because of increasing life expectancy needs long term attention.
Keywords: cardiotoxicity, echocardiography, myeloma
Published in DiRROS: 22.03.2024; Views: 260; Downloads: 70
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Inguinal or inguino-iliac/obturator lymph node dissection after positive inguinal sentinel lymph node in patients with cutaneous melanoma
Nebojša Glumac, Marko Hočevar, Vesna Zadnik, Marko Snoj, 2012, original scientific article

Abstract: The aim of the study was to determine whether the presence of inguinal sentinel lymph node (SLN) metastases smaller than 2 mm (micrometastases) subdivided according to the number of micrometastases predicts additional, non-sentinel inguinal, iliac or obturator lymph node involvement in completion lymph node dissection (CLND). Positive inguinal SLN was detected in 58 patients (32 female, 26 male, median age 55 years) from 743 consecutive and prospectively enrolled patients with primary cutaneous melanoma stage I and II who were treated with SLN biopsy between 2001 and 2007. Micrometastases in inguinal SLN were detected in 32 patients, 14 were single, 2 were double, and 16 were multiple. Twenty-six patients had macrometastases. No patient with any micrometastases or a single SLN macrometastasis in the inguinal region had any iliac/obturator non-sentinel metastases after CLND in our series. Furthermore, no patient with single SLN micrometastasis in the inguinal region had any non-sentinel metastases at all after CLND in our series. In these cases respective CLND might be omitted.
Published in DiRROS: 21.03.2024; Views: 321; Downloads: 256
.pdf Full text (307,79 KB)

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