Del Nido cardioplegia is believed to be both clinically and economically efficient. The interest in this myocardial protection method has been continuously growing. However, the evidence is not clear. The article summarizes recent reports regarding del Nido cardioplegia.
The presence of circulating tumor cells (CTCs) in patients with solid tumors is associated with poor prognosis. However, there are limited data concerning the detection of CTCs in renal cell cancer (RCC). The aim of this study is to evaluate the presence of CTCs in peripheral blood of patients with RCC undergoing surgery (n = 186). CTCs were tested before and after surgery as well as during the follow-up period afterwards. In total 495 CTC testing in duplicates were provided. To enrich CTCs, a size-based separation protocol and tube MetaCell® was used. CTCs presence was evaluated by single cell cytomorphology based on vital fluorescence microscopy. Additionally, to standardly applied fluorescence stains, CTCs viability was controlled by mitochondrial activity. CTCs were detected independently on the sampling order in up to 86.7% of the tested blood samples in patients undergoing RCC surgery. There is higher probability of CTC detection with growing tumor size, especially in clear cell renal cell cancer (ccRCC) cases. Similarly, the tumor size corresponds with metastasis presence and lymph node positivity and CTC detection. This paper describes for the first-time successful analysis of viable CTCs and their mitochondria as a part of the functional characterization of CTCs in RCC.
Personalised therapy is currently a promising method of treatment for cancer patients. The dynamic development of molecular biology enabled identification of molecular subtypes of neoplasms, allowing determination of the optimal therapeutic management for the patient. Molecular diagnostics is also essential for cancer diagnosis, predicting disease development and prognosis. In the case of lung cancer, which is one of the most common malignant neoplasms, the main candidates for targeted treatment are patients with stage III and IV of the disease and with no possibility of radical local treatment. In clinical practice, the most proven therapeutic agents are inhibitors of tyrosine kinase, i.e. a receptor of the epithelial growth factor (TKI-EGFR), inhibitors of ALK, ROS1, BRAF and others, as well as immunotherapy applying monoclonal antibodies against immunological system checkpoints in cases of high level expression of programmed death receptor type 1 (PD-1) or its ligand (PD-L1), but also in cases of the high tumour mutational burden (TMB). As compared to chemotherapy, targeted therapy undoubtedly improves the treatment outcomes and, due to its lower toxicity, improves the quality of life of advanced non-small cell lung cancer patients. The aim of this paper is to characterise molecular tests which are currently applied in qualification of non-small cell lung cancer patients for targeted therapies.
Background This study aimed to present the performance of the National Cancer Network’s (NCN) pilot program in the Lower Silesian Voivodeship (southwestern province of Poland with a population of 2,9 million in 2019), to analyse measures describing lung cancer patients and to determine whether those measures can be used to improve the treatment outcomes of stage III and IV patients with lung cancer in Poland. Methods Three measures of the NCN pilot programme were analysed: “Percentage of patients with genetic and molecular testing for predictive factors”, “Assessment of the completeness of a pathological examination”, and “Percentage of stage III and IV cancer patients”. As many as 2,218 patients with ICD-10-CM Diagnosis Code C34 were included in the NCN pilot program from 1 to 2019 to 31 December 2020, in the Lower Silesian Voivodeship. The scores of each measure were calculated quarterly by the Regional Coordinating Centre, Wroclaw Comprehensive Cancer Center, Wroclaw, Poland. Results Genetic and molecular testing among stage III and IV patients was performed in only 40% and 60% of patients, respectively. The incompleteness of histopathological examinations did not exceed 0.5%. Stage III and stage IV patients accounted for 37% and 35% of the analysed patients, respectively. Conclusions The NCN pilot program measures presented in this study appear to be highly sensitive, simple, and transparent tools to monitor the quality of lung cancer diagnosis and assess clinical staging in patients within a specific region. An increase in the proportion of stage III and IV patients who will undergo genetic and molecular testing in the era of modern drug therapies should result in improved treatment outcomes in this patient group. In the present analysis, the values of the main analysed measure, which evaluates the number of genetic and molecular tests for predictive factors for lung cancer, were subject to significant fluctuations during the pilot project. Both upwards and downwards trends were observed. Further analysis in the future is warranted to eliminate the unfavourable factors influencing the obtained values of the measure.
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