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1.
Curr Probl Cardiol ; 49(2): 102239, 2024 Feb.
Article in English | MEDLINE | ID: mdl-38056515

ABSTRACT

INTRODUCTION: Our aim was to investigate the prevalence of atrial fibrillation (AF) and recently diagnosed lung cancer in the outpatient oncology clinic and to describe the clinical profile, management and outcomes of this population. METHODS: Among 6984 patients visited at the outpatient oncology clinics attending lung cancer patients in five university hospitals from 2017 to 2019, all consecutive subjects with recently diagnosed (<1 year) disease and AF were retrospectively selected and events in follow up were registered. RESULTS: A total of 269 patients (3.9 % of all attended, 71 ± 8 years, 91 % male) were included. Charlson, CHA2DS2-VASc and HAS-BLED indexes were 6.7 ± 2.9, 2.9 ± 1.5 y 2.5 ± 1.2, respectively. Tumour stage was I, II, III and IV in 11 %, 11 %, 33 % and 45 % of them, respectively. Anticoagulants were prescribed to 226 patients (84 %): direct anticoagulants (n = 99;44 %), low molecular weight heparins (n = 69;30 %) and vitamin K antagonists (n = 58;26 %). After 46 months of maximum follow-up, 186 patients died (69 %). Cumulative incidences of events at 3 years were 3.3 ± 1.3 % for stroke/systemic embolism (n = 7); 8.9 ± 2.2 % for thrombotic events (n = 18); 9.9 ± 2.6 % for major bleeding (n = 16), and 15.9 ± 3,0 % for cardiovascular events (n = 33). In patients with early stages of cancer (I-II), 2-year mortality was significantly higher in those with cardiovascular events or major bleeding (85 % vs 25 %, p = 0.01). CONCLUSION: Nearly 4 % or all outpatients in the oncology clinic attending lung cancer present recently diagnosed disease and AF. Major bleeding and cardiovascular event rates are high in this population, with an impact on mortality in early stages of cancer.


Subject(s)
Atrial Fibrillation , Lung Neoplasms , Stroke , Humans , Male , Female , Atrial Fibrillation/complications , Atrial Fibrillation/diagnosis , Atrial Fibrillation/epidemiology , Outpatients , Retrospective Studies , Lung Neoplasms/diagnosis , Lung Neoplasms/epidemiology , Lung Neoplasms/chemically induced , Hemorrhage/chemically induced , Stroke/epidemiology , Anticoagulants/therapeutic use , Risk Factors , Risk Assessment
2.
Genes (Basel) ; 14(7)2023 07 19.
Article in English | MEDLINE | ID: mdl-37510372

ABSTRACT

INTRODUCTION AND OBJECTIVES: Arrhythmogenic cardiomyopathy (ACM) is a hereditary heart disease defined by the progressive replacement of the ventricular myocardium with fibroadipose tissue, which can act as a substrate for arrhythmias, sudden death, or even give rise to heart failure (HF). Sudden death is frequently the first manifestation of the disease, particularly among young patients. The aim of this study is to describe a new pathogenic variant in the PKP2 gene. METHODS: A descriptive observational study that included eight initially non-interrelated families with a diagnosis of ACM undergoing follow-up at our HF and Familial Cardiomyopathies Unit, who were carriers of the NM_004572.3:c.775_776insG; p.(Glu259Glyfs*77) variant in the PKP2 gene. The genetic testing employed next-generation sequencing for the index cases and the Sanger method for the targeted study with family members. We compiled personal and family histories, demographic and clinical characteristics, data from the additional tests at the time of diagnosis, and arrhythmic events at diagnosis and during follow-up. RESULTS: We included 47 subjects, of whom 8 were index cases (17%). Among the evaluated family members, 16 (34%) were carriers of the genetic variant, 3 of whom also had a diagnosis of ACM. The majority were women (26 patients; 55.3%), with a mean age on diagnosis of 48.9 ± 18.6 years and a median follow-up of 39 [24-59] months. Worthy of note are the high incidences of arrhythmic events as the form of presentation and in follow-up (21.5% and 20.9%, respectively), and the onset of HF in 25% of the sample. The most frequent ventricular involvements were right (four patients, 16.7%) and biventricular (four patients, 16.7%); we found no statistical differences in any of the variables analysed. CONCLUSIONS: This variant is a pathogenic variant of gene PKP2 that has not previously been described and is not present in the control groups associated with ACM. It has incomplete penetrance, a highly variable phenotypic expressivity, and was identified in eight families of our geographical area in Malaga (Andalusia, Spain), suggesting a founder effect in this area and describe the clinical and risk characteristics.


Subject(s)
Arrhythmogenic Right Ventricular Dysplasia , Cardiomyopathies , Heart Failure , Humans , Male , Female , Arrhythmogenic Right Ventricular Dysplasia/diagnosis , Spain , Cardiomyopathies/genetics , Heterozygote , Genetic Testing , Heart Failure/genetics , Plakophilins/genetics
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