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Peter Ewert

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Articles 359
Citations 2190
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Recent Articles
1.
Lemmen T, Schaeffer T, Osawa T, Niedermaier C, Palm J, Piber N, et al.
Interdiscip Cardiovasc Thorac Surg . 2025 Mar; PMID: 40088924
Objectives: This study aimed to evaluate the relationship between pulmonary artery size and venovenous collaterals during staged single ventricle reconstruction. Methods: Patients who underwent staged Fontan palliation between 2003 and...
2.
Gendera K, Bentham J, Georgiev S, Kasem M, Ewert P, Michel J, et al.
J Am Heart Assoc . 2025 Feb; 14(5):e038301. PMID: 40008508
Background: Stent implantation poses challenges in small children due to their limited vessel size and rapid growth. This multicenter study evaluates in vivo efficacy of implanting Optimus-L stents in small...
3.
Kruse K, Matsubara M, Schaeffer T, Palm J, Klawonn F, Osawa T, et al.
Eur J Cardiothorac Surg . 2025 Feb; 67(3). PMID: 39992228
Objectives: We aimed to determine the incidence of postoperative complete atrioventricular block, the time to recovery or permanent pacemaker implantation and the predictors for postoperative atrioventricular block after congenital heart...
4.
Behrend L, Matsubara M, Osawa T, Schaeffer T, Palm J, Niedermaier C, et al.
Eur J Cardiothorac Surg . 2025 Feb; 67(3). PMID: 39992217
Objective: We aimed to evaluate outcomes after Kawashima procedure with special regard to the development of pulmonary arterio-venous malformations. Methods: All patients who underwent Kawashima procedure between 1992 and 2022...
5.
Niedermaier C, Ono M, Klawonn F, Holdenrieder S, Lemmer J, Horer J, et al.
Cardiol Young . 2025 Feb; :1-10. PMID: 39949144
Background: Due to the high postoperative mortality, tools for an adaequate risk stratification are important to identify high-risk patients undergoing the Norwood procedure. As a marker of ventricular wall stress,...
6.
Fetcu S, Schaeffer T, Klawonn F, Rohlig C, Palm J, Osawa T, et al.
Ann Thorac Surg . 2025 Feb; PMID: 39892842
Background: Aortic atresia (AA) is considered a risk for the Norwood procedure. This study aimed to compare the longitudinal ventricular function (VF) and atrioventricular valve (AVV) regurgitation in patients with...
7.
Nguyen Cong M, Schaeffer T, Osawa T, Palm J, Niedermaier C, Piber N, et al.
Cardiol Young . 2025 Jan; :1-8. PMID: 39882628
Objective: This study aimed to evaluate veno-venous collaterals between bidirectional cavopulmonary shunt and total cavopulmonary connection. Methods: Patients who underwent staged total cavopulmonary connection between 1995 and 2022 were reviewed....
8.
Freilinger S, Bambul Heck P, Dewald O, Eicken A, Ewert P, Freiberger A, et al.
Open Heart . 2025 Jan; 12(1). PMID: 39842936
Background: Aortic coarctation (CoA) is a congenital anomaly leading to upper-body hypertension and lower-body hypotension. Despite surgical or interventional treatment, arterial hypertension may develop and contribute to morbidity and mortality....
9.
Matsubara M, Dahmen V, Gaebert P, Palm J, Niedermaier C, Osawa T, et al.
Eur J Cardiothorac Surg . 2025 Jan; 67(2). PMID: 39820488
Objectives: This study investigated the longitudinal changes in ventricular function and atrioventricular valve function to clarify the timing and the mechanisms of failing Fontan. Methods: Patients who underwent total cavopulmonary...
10.
Raj Murthi S, Petry A, Shashikadze B, Stockl J, Schmid M, Santamaria G, et al.
Sci Rep . 2025 Jan; 15(1):2132. PMID: 39820339
Hypertrophic cardiomyopathy (HCM) caused by autosomal-dominant mutations in genes coding for structural sarcomeric proteins, is the most common inherited heart disease. HCM is associated with myocardial hypertrophy, fibrosis and ventricular...