Dietmar Tscholl

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OBJECTIVE Cusp prolapse may be an isolated cause of aortic regurgitation or may exist in conjunction with dilatation of the proximal aorta. Prolapse can be corrected by central plication, triangular resection, or pericardial patch implantation. We retrospectively analyzed our results with these techniques. METHODS From October 1995 to December 2006, 604(More)
BACKGROUND Pneumonectomy has traditionally been the treatment of choice for central lung tumors. Bronchial sleeve resections are increasingly considered as a reasonable alternative. For tumor involvement of both central airways and pulmonary artery, bronchovascular sleeve resections are possible, but considered to be technically demanding and associated(More)
BACKGROUND AND HYPOTHESIS Heart rate variability (HRV) is an accepted tool for the assessment of cardiovascular autonomic tone. There are no sufficient data concerning its application to patients with severe aortic valve disease (AVD) requiring cardiac surgery. METHODS It was the aim of this study to examine HRV and its physiologic correlates in patients(More)
BACKGROUND The role of hypothermic circulatory arrest (HCA) in cardiovascular surgery is controversial and assumed to result in neurocognitive dysfunction that is not always detected by standard clinical observation. We assessed cognitive P300 visual evoked potentials (P300) in patients undergoing either HCA or coronary artery bypass grafting (CABG) to(More)
Perioperative acute right heart failure after orthotopic heart transplantation contributes significantly to morbidity and mortality. Vasodilators administered intravenously may decrease pulmonary vascular resistance, but also affect systemic circulation. A decrease of mean arterial pressure will result in reduced right coronary blood flow and deterioration(More)
STUDY OBJECTIVES The aim was to correlate CT scan findings with hemodynamic measurements in patients who had undergone pulmonary thromboendarterectomy (PTE) and to evaluate whether CT scan findings can help to predict surgical outcome. PATIENTS AND METHOD Sixty patients who underwent PTE and preoperative helical CT scanning were included. Preoperative and(More)
OBJECTIVE Complete arterial coronary artery bypass grafting with 2 grafts can be achieved even in triple vessel disease by use of a T configuration. There is still uncertainty whether the coronary flow reserve in the main stem of the left internal thoracic artery is sufficient to supply more than 1 anastomosed coronary vessel. METHODS Between March 1996(More)
BACKGROUND Pulmonary thromboendarterectomy is an effective treatment for patients with chronic thromboembolic pulmonary hypertension. The early postoperative course may be associated with pulmonary vasoconstriction and profound systemic vasodilation. We investigated the potential involvement of endothelins in these hemodynamic alterations. METHODS(More)
AIMS After implantation of a cardioverter/defibrillator (ICD) predischarge testing is often performed to ensure appropriate therapy function. Nevertheless there is no proven evidence for the necessity of this examination. In this retrospective single-centre analysis we investigated the clinical value of routine predischarge testing. METHODS AND RESULTS(More)