Výsledky vyhledávání - "Axel W. Frey"

Effect of breathing rate on oxygen saturation and exercise performance in chronic heart failure

Autor: Jerzy Bellwon, Axel W. Frey, Ramiz Hajric, Luciano Bernardi, Giammario Spadacini, Helmut Roskamm

Publikováno v: The Lancet. 351:1308-1311

In chronic heart failure (CHF), impaired pulmonary function can independently contribute to oxygen desaturation and reduced physical activity. We investigated the effect of breathing rate on oxygen saturation and other respiratory indices.Arterial ox

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::affa9a8c555c9267c805a667ffa7cb25
https://doi.org/10.1016/s0140-6736(97)10341-5

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Single device approach to ultrasound-guided percutaneous transluminal coronary angioplasty and stenting: Initial experience with a combined intracoronary ultrasound/variable diameter balloon

Autor: Christian P. Müller, Helmut Roskamm, John McB. Hodgson, Axel W. Frey

Publikováno v: Catheterization and Cardiovascular Diagnosis. 40:393-399

We evaluated the use of both intracoronary ultrasound (ICUS) information and unique balloon characteristics provided by a combined ICUS/variable diameter balloon catheter during coronary interventions to achieve the maximal residual lumen using the l

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::64ec2ad1409ea79b2fbc300cea684584
https://doi.org/10.1002/(sici)1097-0304(199704)40:4<393::aid-ccd17>3.0.co

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Power Spectral Changes of Spontaneous Beat-to-Beat Variability of the RT Interval in Patients with Coronary Artery Disease

Autor: Helmut Roskamm, Axel W. Frey, Giammario Spadacini, Martin Dambacher, Christian P. Müller

Publikováno v: Annals of Noninvasive Electrocardiology. 2:114-120

Objective: This study sought to evaluate the spontaneous beat-to-beat variability of the RT interval (RTV) as a marker of autonomic balance at the ventricle in patients with coronary artery disease (CAD), as heart rate variability (HRV) primarily ref

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::761089d4013ac9ff7fb4ca418b058f6f
https://doi.org/10.1111/j.1542-474x.1997.tb00317.x

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Changes in cardiac autonomic control during nocturnal repetitive oxygen desaturation episodes in patients with coronary artery disease

Autor: Martin Dambacher, Axel W. Frey, Gabriele Rödig, P. Lemberger, Cornelius Keyl

Publikováno v: Journal of Cardiovascular Risk. 3:221-227

Periodic fluctuations in respiration such as Cheyne-Stokes respiration or the sleep apnoea syndrome are known to be associated with very-low-frequency oscillations in heart rate (cycle times about 30-120s), which may be related to periodic changes in

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https://doi.org/10.1097/00043798-199604000-00015

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Analyse der Herzfrequenzvariabilit�t Grundlagen, Methodik und m�gliche Anwendungen in der An�sthesie

Autor: M. Adt, Axel W. Frey, J.-H. Baumert

Publikováno v: Der Anaesthesist. 44:677-686

Periodische Schwankungen der Herzfrequenz, speziell die respiratorische Sinusarrhythmie (RSA) als Teil dieser Herzfrequenzvariabilitat (HRV), sind der Medizin lange bekannt. Da sie ihre Ursache in der Aktivitat des autonomen Nervensystems (ANS) haben

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https://doi.org/10.1007/s001010050201

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Slow Breathing Increases Arterial Baroreflex Sensitivity in Patients With Chronic Heart Failure

Autor: Axel W. Frey, John E. Sanderson, Luciano Bernardi, Giammario Spadacini, Lucia Spicuzza, Cesare Porta, Roberto F E Pedretti, Roberto Tramarin, Jerzy Bellwon, Leata Y.C. Yeung

Publikováno v: Circulation. 105:143-145

Background — It is well established that a depressed baroreflex sensitivity may adversely influence the prognosis in patients with chronic heart failure (CHF) and in those with previous myocardial infarction. Methods and Results — We tested wheth

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https://doi.org/10.1161/hc0202.103311

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Alterations of Breathing in Chronic Heart Failure: Clinical Rilevance of Arterial Oxygen Saturation Instability

Autor: Peter Sleight, Gian Domenico Pinna, Helmut Roskamm, Luigi Tavazzi, Andrea Mortara, Luciano Bernardi, Axel W. Frey, Giammario Spadacini, Roberto Maestri, Martin Dambacher, Christian P. Müller

Publikováno v: Clinical Science. 91:72-74

1. In patients with chronic heart failure (CHF) alterations of breathing such as Cheyne-Stokes respiration (CSR) or periodic breathing, (PB) have been frequently described during both day- and night-time. These respiratory rhythm disorders are associ

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https://doi.org/10.1042/cs0910072supp

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Ultrasound-guided strategy for provisional stenting with focal balloon combination catheter: results from the randomized Strategy for Intracoronary Ultrasound-guided PTCA and Stenting (SIPS) trial

Autor: John McB. Hodgson, Christian P. Müller, Hans-Peter Bestehorn, Axel W. Frey, Helmut Roskamm

Publikováno v: Circulation. 102(20)

Background —Intracoronary ultrasound (ICUS) has provided insights into vascular pathology and interventional therapy. The Strategy for ICUS-Guided PTCA and Stenting (SIPS) trial tested the hypothesis that routine ICUS guidance of coronary intervent

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https://pubmed.ncbi.nlm.nih.gov/11076823

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