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Cardiac troponin elevation and mortality in takotsubo syndrome: New insights from the international takotsubo registry

医学 Takotsubo综合征 内科学 心脏病学 肌钙蛋白 肌钙蛋白I 临床意义 急性冠脉综合征 心肌梗塞 心肌病 心力衰竭
作者
Barbara E. Stähli,Matthias Schindler,Victor Schweiger,Victoria L. Cammann,Konrad A. Szawan,David Niederseer,Michael Würdinger,Alexander Schönberger,Maximilian Schönberger,Iva Koleva,Julien C. Mercier,Vanya Petkova,Silvia Mayer,Rodolfo Citro,Carmine Vecchione,Eduardo Bossone,Sebastiano Gili,Michael Neuhaus,Jennifer Franke,Benjamin Meder,Miłosz Jaguszewski,Michel Noutsias,Maike Knorr,Thomas Jansen,Fabrizio D’Ascenzo,Wolfgang Dichtl,Dirk von Lewinski,Christof Burgdorf,Behrouz Kherad,Carsten Tschöpe,Annahita Sarcon,Jerold S. Shinbane,Lawrence Rajan,Guido Michels,Roman Pfister,Alessandro Cuneo,Claudius Jacobshagen,Mahir Karakas,Wolfgang Köenig,Alexander Pott,Philippe Meyer,Marco Roffi,Adrian Banning,Mathias Wolfrum,Florim Cuculi,Richard Kobza,Thomas Fischer,Tuija Vasankari,Juhani Airaksinen,L. Christian Napp,Rafał Dworakowski,Philip MacCarthy,Christoph Kaiser,Stefan Osswald,Leonarda Galiuto,Christina Chan,Paul Bridgman,Daniel Beug,Clément Delmas,Olivier Lairez,Ekaterina Gilyarova,Alexandra Shilova,М. Yu. Gilyarov,Ibrahim El‐Battrawy,İbrahim Akın,Karolína Poledníková,Petr Toušek,David E. Winchester,Michael Massoomi,Jan Gałuszka,Christian Ukena,Gregor Poglajen,Pedro Carrilho‐Ferreira,Christian Hauck,Carla Paolini,Claudio Bilato,Yoshio Kobayashi,Ken Kato,Iwao Ishibashi,Toshiharu Himi,Jehangir Din,Ali Saad Al-Shammari,Abhiram Prasad,Charanjit S. Rihal,Kan Liu,P. Christian Schulze,Matteo Bianco,Lucas Jörg,Hans Rickli,Gonçalo Pestana,Thanh H. Nguyen,M. Böhm,Lars S. Maier,Fausto J. Pinto,Petr Widimský,Stephan B. Felix,Ruediger C. Braun‐Dullaeus,Wolfgang Rottbauer,Gerd Hasenfuß,Burkert Pieske,Heribert Schunkert,Monika Budnik,Grzegorz Opolski,Holger Thiele,Johann Bauersachs,John D. Horowitz,Carlo Di Mario,William Kong,Mayank Dalakoti,Yoichi Imori,Luca Liberale,Fabrizio Montecucco,Thomas Münzel,Filippo Crea,Thomas F. Lüscher,J. J. Bax,Frank Ruschitzka,Jelena R. Ghadri,Davide Di Vece,Christian Templin
出处
期刊:European Journal of Clinical Investigation [Wiley]
标识
DOI:10.1111/eci.14317
摘要

Abstract Background The clinical relevance of cardiac troponin (cTn) elevation in takotsubo syndrome (TTS) remains uncertain. The present study sought to investigate the role of cardiac troponin (cTn) elevations in mortality prediction of patients with Takotsubo syndrome (TTS). Methods Patients enrolled in the International Takotsubo (InterTAK) Registry from January 2011 to February 2020 with available data on peak cTn levels were included in the analysis. Peak cTn levels during the index hospitalization were used to define clinically relevant myocardial injury. The threshold at which clinically relevant myocardial injury drives mortality at 1 year was identified using restricted cubic spline analysis. Results Out of 2′938 patients, 222 (7.6%) patients died during 1‐year follow‐up. A more than 28.8‐fold increase of cTn above the upper reference limit was identified as threshold for clinically relevant myocardial injury. The presence of clinically relevant myocardial injury was significantly associated with an increased risk of mortality at 5 years (adjusted HR 1.58, 95% CI 1.18–2.12, p =.002). Clinically relevant myocardial injury was related to an increased 5‐year mortality risk in patients with apical TTS (adjusted HR 1.57, 95% CI 1.21–2.03, p =.001), in presence of physical stressors (adjusted HR 1.60, 95% CI 1.22–2.11, p =.001), and in absence of emotional stressors (adjusted HR 1.49, 95% CI, 1.17–1.89, p =.001). Conclusion This study for the first time determined a troponin threshold for the identification of TTS patients at excess risk of mortality. These findings advance risk stratification in TTS and assist in identifying patients in need for close monitoring and follow‐up.
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