Invasive cardiac examinations (coronary angiography, cardiac catheterization)

Interventional therapy of coronary artery disease (PCI with stent implantation)

Aortic valve implantation (TAVI surgeon)

Endovascular therapy of aortic aneurysm

ECG, stress ECG, long-term ECG, echocardiography

Care of adult patients with congenital heart defects

1. Tetrahydrobiopterin restores impaired coronary microvascular dysfunction in hypercholesteremia. Wyss CA, Koepfli P, Namdar M, Siegrist PT, Lüscher TF, Camici PG, P. Kaufmann PA. Eur J Nucl Med Mol Imaging 2005;32(1):84-91. Erratum in: Eur J Nucl Med Mol Imaging 2005;32(3):372

2. The quantification of absolute myocardial perfusion in humans by contrast echocardiography: algorithm and validation. Vogel R, Indermühle A, Reinhardt J, Meier P, Siegrist PT, Namdar M, Kaufmann PA, Seiler C. J Am Coll Cardiol 2005;45(5):754-62

3. Integrated PET/CT for the assessment of coronary artery disease. Namdar M, Hany TF, Koepfli P, Burger C, Wyss CA, Siegrist PT, Luscher TF, von Schulthess GK, Kaufmann PA. J Nucl Med 2005;46(6):930-5

4. Caffeine decreases exercise-induced myocardial flow reserve. Namdar M, Koepfli P, Grathwohl R, Siegrist PT, Klainguti M, Schepis T, Delaloye R, Wyss CA, Fleischmann SP, Gaemperli O, Kaufmann PA. J Am Coll Cardiol 2006;47(2):405-10

5. Repeatability of Cold Pressor Test-Induced Flow Increase Assessed with H215O and PET. Siegrist PT, Gaemperli O, Koepfli P, Schepis T, Namdar M, Valenta I, Aiello F, Fleischmann SP, Alkadhi H, Kaufmann PA. J Nucl Med 2006;47(9):1420-6

6. Assessment of myocardial perfusion by dynamic O-15-labeled water PET imaging: validation of a new fast factor analysis. Adachi I, Gaemperli O, Valenta I, Schepis T, Siegrist PT, Treyer V, Burger C, Morita K, Kaufmann PA. J Nucl Cardiol 2007;14(5):698-705

7. (13)N-ammonia myocardial perfusion imaging with a PET/CT scanner: impact on clinical decision making and cost-effectiveness. Siegrist PT, Husmann L, Knabenhans M, Gaemperli O, Valenta I, Hoefflinghaus T, Scheffel H, Stolzmann P, Alkadhi H, Kaufmann PA. Eur J Nucl Med Mol Imaging 2008;35(5):889-95

8. Diagnostic accuracy of myocardial perfusion imaging with single photon emission computed tomography and positron emission tomography: a comparison with coronary angiography. Husmann L, Wiegand M, Valenta I, Gaemperli O, Schepis T, Siegrist PT, Namdar M, Wyss CA, Alkadhi H, Kaufmann PA. Int J Cardiovasc Imaging 2008;24(5):511-8

9. Interaction of caffeine with regadenoson-induced hyperemic myocardial blood flow as measured by positron emission tomography: a randomized, double-blind, placebo-controlled crossover trial Gaemperli O, Schepis T, Koepfli P, Siegrist PT, Fleischmann S, Nguyen P, Olmsted, Wang W, Lieu H, Kaufmann PA. J Am Coll Cardiol 2008;51(3):328-9

10. Effects of AV delay programming on ventricular resynchronisation: role of radionuclide ventriculography Siegrist PT, Comte N, Holzmeister J, Sütsch G, Koepfli P, Namdar M, Duru F, Brunckhorst C, Scharf C, Kaufmann PA. Eur J Nucl Med Mol Imaging 2008;35(8):1516-22

11. Impact of hypertension on the diagnostic accuracy of coronary angiography with computed tomography. Husmann L, Scheffel H, Valenta I, Schepis T, Gaemperli O, Aepli U, Siegrist PT, Leschka S, Desbiolles L, Stolzmann P, Marincek B, Alkadhi H, Kaufmann PA. Int J Cardiovasc Imaging 2008;24(7):763-70

12. Protocol for measuring myocardial blood flow by PET/CT in cats Jenni SD, Schepis T, Jenni R, Siegrist PT, Kaufmann PA, Glaus TM. Eur J Nucl Med Mol Imaging 2008;36(2):244-9

13. Role of attenuation correction to discriminate defects caused by left bundle branch block versus coronary stenosis in single photon emission computed tomography myocardial perfusion imaging. Hoefflinghaus T, Husmann L, Valenta I, Moonen C, Gaemperli O, Schepis T, Namdar M, Koepfli P, Siegrist PT, Kaufmann PA. Clin Nucl Med 2008;33(11):748-51

14. Caffeine impairs myocardial blood flow response to physical exercise in patients with coronary artery disease as well as in age-matched controls. Namdar M, Schepis T, Koepfli P, Gaemperli O, Siegrist PT, Grathwohl R, Valenta I, Delaloye R, Klainguti M, Wyss CA, Lüscher TF, Kaufmann PA. PLoS One 2009;4(5):e5665

15. Long-term prognostic value of 13N-ammonia myocardial perfusion positron emission tomography added value of coronary flow reserve. Herzog BA, Husmann L, Valenta I, Gaemperli O, Siegrist PT, Tay FM, Burkhard N, Wyss CA, Kaufmann PA. J Am Coll Cardiol 2009;54(2):150-6

16. Left bundle branch block causes relative but not absolute septal underperfusion during exercise. Koepfli P, Wyss CA, Gaemperli O, Siegrist PT, Klainguti M, Schepis T, Namdar M, Bechir M, Hoefflinghaus T, Duru F, Kaufmann PA. Eur Heart J 2009;30(24):2993-9

17. Percutaneous closure of patent foramen ovale and valvular function – effect of the amplatzer occluder Krasniqi N, Roth J, Siegrist PT, Toggweiler S, Gruner C, Greutmann M, Tanner FC, Lüscher TF, Corti R. J Invasive Cardiol 2012;24(6):274-7

18. Outcome of percutaneous patent foramen ovale closure with the Premere occluder – a single center experience Siegrist PT, Enz T, Krasniqi N, Scherff F, Roth J, Tanner F, Corti R, Lüscher TF. J Cardiobiol 2014;2(1): 6

19. Recovery mismatch between myocardial blood flow and cardiac workload after physical exercise. Siegrist PT, Koepfli P, Namdar M, Pazhenkottil AP, Nkoulou R, Lüscher TF, Kaufmann PA. Eur Heart J Cardiovascular Imaging 2014;15(12):1386-90

20. Analysis of admission electrocardiographic patterns in survivors and non-survivors of unprotected left main acute coronary syndrome undergoing percutaneous coronary intervention. Krasniqi N, Horisberger S, Siegrist PT, Fuchs TA, Saguner AM, Scherff F, Eriksson U, Corti R, Lüscher TF. J Cardiobiol 2014;2(2): 5

21. Reproducibility and clinical potential of myocardial mass at risk calculated by a novel software utilizing cardiac computed tomography information. Sumitsuji S, Ide S, Siegrist PT, Salah Youssef, Yokoi K, Yoshida M, Awata M, Yamasaki K, Tachibana K, Kaneda H, Nanto S, Sakata Y. Cardiovasc Interv Ther. 2016;31(3):218-25

22. Right coronary artery motion analysis: a novel method to measure right ventricular systolic function by selective coronary angiography Baumann F, Obeid S, Gilhofer T, Siegrist P, von Spiczak J, Lüscher TF, Binder RK Int J Cardiovasc Imaging. 2019;35:1557-61

23. Association of the body mass index with outcomes in elderly patients (≥80 years) undergoing percutaneous coronary intervention. Leistner DM, Bazara S, Münch C, Steiner J, Erbay A, Siegrist PT, Skurk C, Lauten A. Müller-Werdan U, Landmesser U, Stähli BE. Int J Cardiol. 2019;292:73-77

24. Association of left ventricular end-diastolic pressure with mortality in patients undergoing percutaneous coronary intervention for acute coronary syndromes Leistner DM, Dietrich S, Erbay A, Steiner J, Abdelwahed Y, Siegrist PT, Schindler M, Skurk C, Haghikia A, Sinning D, Riedel M, Landmesser U, Stähli BE Catheter Cardiovasc Interv. 2020;96(4):E439-E446

25. Diagnostic performance of angiography-based quantitative flow ratio for the identification of myocardial ischemia as assessed by 13N-ammonia myocardial perfusion imaging positron emission tomography Strähl M, Schindler M, Keller LS, Holy E, Jakob P, Siegrist PT, Templin C, Maier W, Buechel RR, Kaufmann PA, Gebhard C, Stähli BE Int J Cardiol. 2020;314:13-19

26. Impact of a nationwide COVID-19 lockdown on acute coronary syndrome referrals Holy EW, Jakob P, Manka R, Stähli BE, Siegrist PT, Ruschitzka F, Templin C Cardiol J. 2020;27(5):633-635

27. Outcomes of acute coronary syndromes in coronavirus disease 2019 Cammann VL, Szawan KA, D'Ascenzo F, Gili S, Dreiding S, Würdinger M, Manka R, Stähli BE, Holy EW, Siegrist P, Jakob P, Meyer P, Iannaccone M, Di Simone E, Secco GG, Saccocci M, Bettari L, Ielasi A, Tespili M, Quadri G, Varbella F, Raposeiras-Roubin S, Abu-Assi E, Mancone M, Sardella G, Infusino F, Fedele F, Patti G, Mennuni M, Rognoni A, Bollati M, Olivotti L, Cordone S, Carugo S, Barbieri L, Gaido L, Giammaria M, Gambino A, D'Amico M, Galluzzo A, Ugo F, Trabattoni D, De Filippo O, De Ferrari GM, Vecchione C, Citro R, Ghadri JR, Templin C Clin Res Cardiol. 2020;109(12):1601-1604

Helene Frei

Medical practice assistant

praxissiegrist@herzzentrum.ch

3-year training as medical practice assistant in the family practice of Dr. med. Thomas Frei in Meilen

1 year of professional experience in the group practice of Dr. med. Giuseppe Curcio in Tann

¾ year training as a technical surgical assistant in Zurich

Working in the practice of Dr. Siegrist since June 2021