4 results on '"Rixe J"'
Search Results
2. A systematic report on non-coronary cardiac CTA in 1097 patients from the German cardiac CT registry.
- Author
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Gitsioudis G, Marwan M, Schneider S, Schmermund A, Korosoglou G, Hausleiter J, Schroeder S, Rixe J, Leber A, Bruder O, Katus HA, Senges J, and Achenbach S
- Subjects
- Aged, Cohort Studies, Female, Germany, Humans, Male, Middle Aged, Prospective Studies, Registries statistics & numerical data, Retrospective Studies, Computed Tomography Angiography methods, Coronary Angiography methods, Radiation Dosage, Radiation Exposure statistics & numerical data
- Abstract
Purpose: To prospectively evaluate contemporary indications, safety and diagnostic impact of cardiac CTA in patients undergoing cardiac CTA examinations for non-coronary clinical indications., Method: We analyzed 1097 consecutive patients from the German Cardiac CT Registry who underwent cardiac CTA between 2009 and 2014 due to clinically indicated non-coronary reasons using 64-slice or newer CT systems in twelve tertiary German heart centers in order to evaluate the impact of clinical indications on procedure-associated parameters. All participating centers electronically submitted patient and examination data including detailed indications, clinical symptoms, procedural parameters, complications and diagnostic results in a predefined template., Results: The most frequent indication for non-coronary cardiac CTA was the evaluation of pulmonary vein anatomy (65.9 %, 723/1097). In the remaining cases, most frequent indications were planning before TAVI (44.5 %, 69/155), evaluation of valvular disease (31.6 %, 49/155), and evaluation of implants (5.8 %, 9/155). Non-coronary cardiac CTA required a median amount of iodinated contrast agent of 100.0 mL (IQR 95.0-110.0 mL). Prospectively ECG-triggered acquisition was the most frequently used protocol (74.0 %), followed by retrospectively ECG-gated acquisition with and without tube current modulation (19.9 % and 6.0 %, respectively), resulting in a mean estimated effective dose of 5.2 mSv (IQR 2.9-9.5 mSv, average conversion factor k = 0.026). Overall, complication rate was very low (1.5 %). Non-coronary cardiac CTA revealed a new clinical diagnostic aspect in 3.2 % of all patients, and a new main clinical diagnosis in 2.2 %., Conclusions: Non-coronary cardiac CTA as a routinely applied diagnostic modality is associated with a very low procedure-related rate of complications and reasonably low radiation exposure using contemporary CT systems., (Copyright © 2020 Elsevier B.V. All rights reserved.)
- Published
- 2020
- Full Text
- View/download PDF
3. Maladaptive hypertrophy after acute myocardial infarction positive effect of bone marrow-derived stem cell therapy on regional remodeling measured by cardiac MRI.
- Author
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Rolf A, Assmus B, Schächinger V, Rixe J, Möllmann S, Möllmann H, Dimmeler S, Zeiher AM, Hamm CW, and Dill T
- Subjects
- Adaptation, Physiological, Adult, Aged, Analysis of Variance, Female, Germany, Humans, Hypertrophy, Left Ventricular pathology, Hypertrophy, Left Ventricular physiopathology, Least-Squares Analysis, Linear Models, Male, Middle Aged, Myocardial Contraction, Myocardial Infarction complications, Myocardial Infarction pathology, Myocardial Infarction physiopathology, Predictive Value of Tests, Recovery of Function, Time Factors, Tissue Survival, Treatment Outcome, Bone Marrow Transplantation, Hypertrophy, Left Ventricular etiology, Magnetic Resonance Imaging, Cine, Myocardial Infarction surgery, Myocardium pathology, Stem Cell Transplantation, Ventricular Function, Left, Ventricular Remodeling
- Abstract
Objective: In the aftermath of myocardial infarction, increased loading conditions will trigger hypertrophy of viable myocardium. This in turn causes deterioration of regional contractility. Cardiac magnetic resonance imaging (cMRI) allows the exact differentiation of viable and infarcted myocardium and therefore the measurement of regional wall thickness and function. Bone marrow-derived stem cell (BMC) transfer has been shown to improve global function and remodeling. The present study examines the effect of BMC transfer on regional remodeling and function after myocardial infarction by cMRI., Design: Fifty-four patients of the MR substudy of the REPAIR-AMI trial have been studied at baseline and 12-month follow-up. Enddiastolic wall thickness (EDWT) and wall thickening (WT%) have been measured on SSFP cine sequences., Results: Enddiastolic wall thickness decreased in both placebo and BMC groups in viable as well as infarcted segments. The effect was largest in the pre-specified subgroup of patients below the median EF of 48.9% (infarcted segments -1.14 mm Placebo vs. -1.91 mm BMC, p for interaction 0.01, remote segments -0.19 mm Placebo vs. -0.94 mm BMC, p for interaction 0.00001). Corrected for baseline values BMC therapy yielded smaller EDWT at 12 months in infarcted and remote segments (infarcted 7.58 mm Placebo vs. 6.13 mm BMC p = 0.0001, remote 8.76 mm Placebo vs. 7.32 mm BMC, p = 0.0001). This was associated with better contractility within the infarcted segments among BMC patients (WT% 24.17% Placebo vs. 49.31% BMC, p = 0.0001). The WT% was inversely correlated with EDWT (r = -0.37, p = 0.0001)., Conclusion: Bone marrow-derived stem cell therapy yields smaller EDWT when compared with placebo patients suggesting a positive effect on maladaptive hypertrophy of viable myocardium. This notion is supported by the enhanced regional contractility within the BMC group which is inversely correlated with EDWT.
- Published
- 2011
- Full Text
- View/download PDF
4. Clinical outcome of patients treated with an early invasive strategy after out-of-hospital cardiac arrest.
- Author
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Möllmann H, Szardien S, Liebetrau C, Elsässer A, Rixe J, Rolf A, Nef H, Weber M, and Hamm C
- Subjects
- Acute Coronary Syndrome physiopathology, Acute Coronary Syndrome therapy, Aged, Biomarkers metabolism, Blood Pressure physiology, Cardiopulmonary Resuscitation, Female, Germany epidemiology, Heart Rate physiology, Hospitalization, Humans, Kaplan-Meier Estimate, Male, Middle Aged, Out-of-Hospital Cardiac Arrest diagnosis, Out-of-Hospital Cardiac Arrest mortality, Out-of-Hospital Cardiac Arrest physiopathology, Risk Assessment, Stroke Volume physiology, Treatment Outcome, Out-of-Hospital Cardiac Arrest therapy
- Abstract
Little is known about the impact of early invasive treatment in patients following out-of-hospital cardiac arrest (OHCA). The present study investigated the clinical characteristics and long-term prognosis of 1254 patients with suspected acute coronary syndrome, including 65 with OHCA who underwent successful cardiopulmonary resuscitation (CPR) and 1189 patients who did not require CRP. All patients underwent immediate coronary angiography even if clear signs of myocardial infarction (MI) were absent. The incidence of ST-elevation and non-ST-elevation MI did not differ between the two groups. Cardiac biomarkers were significantly higher in CPR patients despite a shorter period from symptom onset to admission. The 6-month mortality rate was 29% in the CPR group and 4% in the non-CPR group, with > 90% of fatalities occurring ≤ 3 weeks after admission. In summary, early invasive treatment leads to a considerably reduced mortality and improved prognosis in patients after OHCA.
- Published
- 2011
- Full Text
- View/download PDF
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