Dr Quinnell is a consultant respiratory and sleep disorders physician.

He sees patients with a wide range of respiratory disorders (including asthma, emphysema/COPD, cough, interstitial lung disease, respiratory muscle weakness and respiratory failure). He specialises in disorders of ventilation and their treatment with domiciliary ventilatory support.

He has undergone extensive training in sleep medicine in the UK and Australia, and is an accredited sleep physician. He is consultant lead for Papworth Hospital’s Sleep Laboratory, the only accredited facility in the UK.


Specialist Clinical Interests

Longterm domiciliary ventilation, weaning from invasive ventilation and respiratory and non-respiratory sleep disorders.

Research Interests

Genetics and electrophysiological aspects of Narcolepsy
Chief investigator for NIHR HTA funded Trial Of Mandibular Advancement Devices in Obstructive Sleep Apnoea (TOMADO).
Member of ORANGE: International Mandibular Advancement Device Research Network
Non-invasive ventilation in Chronic Obstructive Pulmonary Disease.
Intraocular pressure during sleep.
Rapid Eye Movement sleep behaviour disorder
Atrial fibrillation in Obstructive Sleep Apnoea

Education and Training
Royal London Hospital Medical College, Univ. Lond. 1987-1993
B.Sc(Hons) History of Medicine
- UCL & Wellcome Inst.
MB BS 1993
Fellow Royal Australasian College of Physicians
- Accredited Sleep & Respiratory physician
Fellow Royal College of Physicians 2008
MD, University of London 2010
Current membership(s) of professional, national and regional bodies and university posts

Fellow of the Royal College of Physicians, London
Fellow of the Royal Australasian College of Physicians
Member of General Medicine Council (registration number:  4024198)
Member of British Thoracic Society
Member of British Sleep Society
Member of Thoracic Society of Australasia and New Zealand
Member of Australasian Sleep Association

Recent and Important Publications

Quinnell T, Smith IE.  Obstructive Sleep Apnoea in the Elderly: Recognition and Management Considerations.  Drugs Aging 2004; 21: 307-322

Smith IE, Quinnell T. Pharmacotherapies for obstructive sleep apnoea: Where are we now? Drug 2004; 64:1385-99

Teichtahl H, Wang D, Cunnington D, Quinnell T, Tran H, Kronborg I, Drummer OH. Ventilatory responses to hypoxia and hypercapnia in stable methadone maintenance treatment patients. Chest 2005; 128: 1339-47

Quinnell T, Pilsworth S, Shneerson JM, Smith IE. Prolonged invasive ventilation following acute ventilatory failure in chronic obstructive disease: weaning results, survival and the role of non-invasive ventilation. Chest 2006;129: 133-9

Quinnell T, Farooqi IS, Smith IE, Shneerson JM. Screening the human prepro-hypocretin gene in a single-centre narcolepsy cohort. Sleep Med 2007; 8:498-502

Oscroft N, Smith IE, Quinnell T.  The Role of Non-Invasive Ventilation in Weaning Patients from Invasive Ventilation. In: Yearbook of non-invasive mechanical ventilation 2008. Esquinas-Rodriguez AM, Editor. Fotomecanica Indalo, Almeria, Spain; pp 200-4

Oscroft NS, Quinnell TG, Shneerson JM, Smith IE. The effects of withdrawing long-term nocturnal non-invasive ventilation in COPD patients. Journal of Chronic Obstructive Pulmonary Disease 2010; 7: 111-116

Oscroft NS, Quinnell TG, Shneerson JM, Smith IE.  Long-term non-invasive ventilation to manage persistent ventilatory failure after COPD exacerbation. Respirology 2010;15:818-22

Quinnell TG, Smith IE. Narcolepsy, idiopathic hypersomnolence and related conditions. Clinical Medicine 2011; 11: 282-5

Smith IE, Quinnell TG. Obstructive sleep apnoea: relevance to non-sleep clinicians. Clinical Medicine 2011; 11: 286-9