Dr. med. Lorraine de Trey

FMH Specialist in Otorhinolaryngology (ENT) and Head & Neck Surgery – Special focus: Paediatric ENT

Dr. med. Lorraine de Trey – Praxis HNO im Seefeld Zürich

Languages: German, English, French, a little Spanish

Dr Lorraine de Trey is a passionate and empathetic physician and surgeon with a particular interest inpaediatric ENT. She completed a fellowship in paediatric otolaryngology at Evelina London Children's Hospital and a fellowship in airway surgery under Professor Philippe Monnier at Lausanne University Hospital (CHUV). As a result, she is among the few ENT specialists in Switzerland with dedicated subspecialty training in paediatric ENT.

She subsequently worked for several years as asenior physician in paediatric ENT at Zurich Children's Hospital and at Zurich University Hospital.

Dr de Trey combines medical expertise with compassionate and trusting care for her young patients and their families, both in consultations and in surgery.

Qualifications and Titles

2015
Subspecialty Certification in Head and Neck Surgery
2014
Certificate of Competence in Neck Ultrasound
2012
Swiss Board Certification in Otorhinolaryngology (FMH)
2010
Doctor of Medicine (Dr med), University of Zurich
2007
Diploma in Mountain Medicine, Swiss Society of Mountain Medicinen
2004
Medical State Examination, University of Zurich

Professional Career

since 06.2026
ENT Practice HNO im Seefeld, Zurich
11.2017 – 05.2026
ENT Practice Milchbuck, Zurich
01.2016 – 10.2017
Senior Physician in Paediatric ENT, Zurich Children's Hospital
09.2014 – 12.2015
Senior Physician ENT, Zurich University Hospital
03.2013 – 08.2014
Fellowship in Airway Surgery under Prof. Philippe Monnier, Lausanne University Hospital (CHUV)
03.2012 – 02.2013
Fellowship in Paediatric Otolaryngology, Evelina London Children's Hospital, London
02.2008 – 02.2012
Assistent Physician, Department of Otorhinolaryngology, Zurich University Hospital
11.2010 – 02.2011
Visiting Physician, Department of Otorhinolaryngology, Boston Children's Hospital, USA
03.2009 – 08.2009
Assistent Physician, Department of Paediatric ENT, Zurich Children's Hospital
05.2006 – 01.2008
Assistent Physician, Department of Otorhinolaryngology, Cantonal Hospital Liestal
02.2005 – 04.2006
Assistent Physician, Department of Surgery, Männedorf District Hospital

Professional Memberships

  • European Society of Pediatric Otorhinolaryngology (ESPO)
  • Swiss Society of Oto-Rhino-Laryngology (SGORL)
  • Working Group for Paediatric ENT of the SGORL
  • Swiss Medical Association (FMH)
  • Swiss Society for Ultrasound in Medicine (SGUM)
  • Certified Medical Expert for Hearing Aid Provision (Swiss social insurance schemes IV/ AHV/UV)
  • Medical Advisory Board Member, LKGS Switzerland Association

Research

Doctoral Thesis
    • The Omnicarbon Monoleaflet Aortic Valve: The Swiss Experience.
    • de Trey L, Künzli A, Buser P, Von Segesser LK, Turina M
    • Presented as a doctoral thesis and oral presentation at the Joint Annual Meeting of the Swiss Societies of Cardiology, Thoracic, Cardiac and Vascular Surgery, and Intensive Care Medicine, May 2003.
Selected Publications
    • Acute otitis media: antibiotic treatment is not always indicated.
    • de Trey L
    • Hausarzt Praxis. 2018 May;5:32-6
    • Management of severe congenital laryngeal webs – a 12 year review
    • de Trey LA, Lambercy K, Monnier P, Sandu K
    • Int J Pediatr Otorhinolaryngol. 2016 Jul;86:82-6.
    • Treatment of severe Tracheobronchomalacia: Ten-year Experience
    • de Trey L, Dudley J, Ismail-Koch H, Durward A, Bellsham-Revell H, Blaney S, Hore I, Austin CB, Morrison GA
    • Int J Pediatr Otorhinolaryngol. 2016 Apr;83:57-62.
    • Combined endoscopic and open approach in treating congenital laryngeal web.
    • Sandu K, Monnier P, Lambercy K, de Trey L
    • Int J Pediatr Otorhinolaryngol. Extra 2015 Mar; Vol 10, Issue 2, 22-4
    • Buccal mucosa graft for laryngotracheal reconstruction in severe laryngeal stenosis.
    • de Trey LA, Morrison GA.
    • Int J Pediatr Otorhinolaryngol. 2013 Oct;77(10):1643-6.
    • Pediatric tracheotomy: a 30-year experience.
    • de Trey L, Niedermann E, Ghelfi D, Gerber A, Gysin C.
    • J Pediatr Surg. 2013 Jul;48(7):1470-5.
    • Multifocal adult rhabdomyoma of the head and neck manifestation in 7 locations and review of the literature.
    • de Trey LA, Schmid S, Huber GF.
    • Case Rep Otolaryngol. 2013;2013:758416.
    • Can an incomplete ossicular discontinuity be predicted by audiometric and clinical findings?
    • Sim JH, Huber AM, Häfliger M, de Trey LA, Eiber A, Röösli C.
    • Otol Neurotol. 2013 Jun;34(4):699-704.

Awards and Distinctions

2016
Poster Award ESPO, 3rd Place for the theme «Airway»
Titel: Management of Severe Congenital Laryngeal Webs Meeting of the European Society of Pediatric Otolaryngology 2016 Lissabon 06/2016

Media Publications

  • Nasenbluten stoppen, aber richtig

    Article published in the Swiss parenting magazine Fritz+Fränzi, March 2025 edition.
    Published with the kind permission of the Stiftung Elternsein (Parenting Foundation), Zurich.