A report is given on the experience gained in 254 patients presenting processes of the ventricles I-III at the Leipzig Hospital within a period of thirty years. The rate of radical operations rose from 29% to 60%. At present, however, inoperability is restricted almost exclusively to general surgical aspects. Palliative operations are carried out in the form of the V-A shunts. Of decisive importance is the use of microtechniques in conjunction with an optimum anesthesia and intensive care. The accesses used are shown in pictures. Special surgical aspects are benignity of many intraventricular tumours, pronounced vascularisation, localisation below functionally important corticocerebral regions as well as exact considerations with respect to the planning of the operation pathway.
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Int J Mol Sci
October 2023
CNC-UC, Center for Neuroscience and Cell Biology, University of Coimbra, 3004-504 Coimbra, Portugal.
Intra-uterine growth restriction (IUGR) is a common cause of fetal/neonatal morbidity and mortality and is associated with increased offspring predisposition for cardiovascular disease (CVD) development. Mitochondria are essential organelles in maintaining cardiac function, and thus, fetal cardiac mitochondria could be responsive to the IUGR environment. In this study, we investigated whether in utero fetal cardiac mitochondrial programming can be detectable in an early stage of IUGR pregnancy.
View Article and Find Full Text PDFFront Cardiovasc Med
June 2023
Cardiovascular Division, University of Pennsylvania, Philadelphia, PA, United States.
Introduction: Right ventricular (RV) function is a major determinant of outcome in patients with precapillary pulmonary hypertension (PH). We studied the effect of ranolazine on RV function over 6 months using multi-modality imaging and biochemical markers in patients with precapillary PH (groups I, III, and IV) and RV dysfunction [CMR imaging ejection fraction (EF) < 45%] in a longitudinal, randomized, double-blinded, placebo-controlled, multicenter study of ranolazine treatment.
Methods: Enrolled patients were assessed using cardiac magnetic resonance (CMR) imaging, C-acetate and -F-FDG positron emission tomography (PET), and plasma metabolomic profiling, at baseline and at the end of treatment.
Int J Environ Res Public Health
January 2023
Department of Pediatrics, Yonsei University Wonju College of Medicine, Wonju 26426, Republic of Korea.
Exp Gerontol
March 2023
Universidad de Buenos Aires, Facultad de Farmacia y Bioquímica, Fisicoquímica, Buenos Aires, Argentina; CONICET-Universidad de Buenos Aires, Instituto de Bioquímica y Medicina Molecular "Profesor Alberto Boveris" (IBIMOL), Buenos Aires, Argentina.
Rat brain and heart display different endogenous protective responses against hypobaric hypoxia in an age-dependent way. The aim of the present work was to evaluate the effects of acute hypobaric hypoxia (HH, 48 h) on brain and heart mitochondrial function as well as the participation of nitric oxide (NO) in old rats (22-month old). Cortical mitochondria from rats exposed to HH decreased respiratory rates (37 %, state 3) and membrane potential (20 %), but NO and HO production increased by 48 %, and 23 %, respectively.
View Article and Find Full Text PDFMed Arch
August 2022
Department of Cardiology, Clinical Hospital Centre Zemun.
Background: Two-dimensional echocardiography (2DE) Simpson methods is the most frequently used imaging modality to assess Left ventricular ejection fraction (LVEF). LVEF is an important predictor of morbidity and mortality in a wide range of patients and clinical scenarios. Despite its importance in prognosis and clinical decision making, most echocardiography laboratories currently determine EF primarily by visual estimation, which is highly experience-dependent and sensitive to intra- and inter-observer variability and suboptimal accuracy and repeatability.
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