Dr Ian Smith is a chest physician specialising in ventilatory failure and sleep medicine with expertise in weaning, domiciliary ventilation, sleep apnoea and non-respiratory sleep disorders including narcolepsy and parasomnias. He is the Director of Royal Papworth Hospital’s Respiratory Support and Sleep Centre (RSSC), the first accredited by the European and British Sleep Societies. He was a founder the regional Motor Neurone Disease care network and was a co-author on the recent NICE guidelines for people with MND.

He is Deputy Medical Director, leads the Research and Development Directorate and oversaw the establishment of the Papworth Clinical Trials Unit. In his own research Dr Smith has a number of grant funded collaborations and has supervised candidates to higher degrees. He is Vice Chair of the UK Association of Respiratory Technicians and Physiologists sleep section. He co-authored the British Thoracic Society position statement on driving and sleep apnoea. He is the current President of the East Anglian Thoracic Society.

Dr Smith is an Associate Lecturer to the University of Cambridge and has held a number of key educational posts including Programme Director for respiratory medicine in East Anglia, Attachment Director for respiratory and cardiology undergraduate training and Clinical Tutor for the Royal College of Physicians. As Clinical Director of Thoracic Services he oversaw expansion in each of the subspecialties, the establishment of the Interstitial Lung Disease Service and the National Adult Ataxia Telangiectasia Service.

Specialist Clinical Interests

Home ventilation, sleep disorders, sleep apnoea, motor neurone disease (MND).

Research Interests

Treatment of sleep apnoea, Home ventilation, Respiratory failure in MND, Weaning from invasive ventilation.

Education and Training

Exhibition to Gonville and Caius College Cambridge
BA (Hons) Medical Sciences
MA March 1988
MBBS July 1987
MRCP (London) June 1990
MD (Cambridge University) March 1997
FRCP (London) 2000
ARTP award for services to Respiratory Medicine 2016

Current membership(s) of professional, national and regional bodies and university posts

Fellow of the Royal College of Physicians
Registered with the GMC no.3201378
Associate Lecturer Cambridge University
Member of British Thoracic Society
Member of European Respiratory Society

Recent and Important Publications

Askland K, Wright L, Wozniak DR, Emmanuel T, Caston J, Smith I. Educational, supportive and behavioural interventions to improve usage of continuous positive airway pressure machines in adults with obstructive sleep apnoea. Cochrane Database of Systematic Reviews 2020, Issue 4. 

Wozniak DR, Bourne RR, Peretz G, Kean J, Willshire C, Harun, S, Villar SS, Chiu Y, Smith IE Obstructive Sleep Apnea in Patients With Primary-open Angle Glaucoma: No Role for a Screening Program. Journal of Glaucoma 2019, 28, 668 - 675

Kennedy B, Lasserson TJ, Wozniak DR, Smith I. Pressure modification or humidification for improving usage of continuous positive airway pressure machines in adults with obstructive sleep apnoea. Cochrane Database of Systematic Reviews 2019, Issue 12.

PB Murphy, S Rehal, G Arbane, S Bourke, ; PMA Calverley, AM Crook,  L Dowson, N Duffy,  GJ Gibson,  PD Hughes, JR Hurst, K E Lewis,  R Mukherjee, A Nickol, N Oscroft,  M Patout, J Pepperell, I Smith,  JR Stradling, JA Wedzicha, MI Polkey,  MW  Elliott,  N Hart, Effect of Home Noninvasive Ventilation with Oxygen Therapy vs Oxygen Therapy alone on hospital readmission or death after an acute COPD exacerbation, a randomized clinical trial. JAMA 2017; 317: 2177-2186

Davies MG, Quinnell TG, Oscroft NS, Clutterbuck SP, Shneerson JM, Smith IE. Hospital outcomes and long-term survival after referral to a specialized weaning unit. Br J Anaesth 2017; 118: 563-569

M Mason, J Hernadez Sanchez, A Vuylsteke, I Smith. Association between the severity of untreated sleep apnoea and postoperative complications following major cardiac surgery: a prospective observational cohort study. Sleep Medicine 2017; 37: 141-146

Gulati A, Oscroft N, Chadwick R, Ali M, Smith I. The impact of changing people with sleep apnea using CPAP less than 4 h per night to a Bi-level device. Respir Med 2015; 109: 778-783.

Oscroft NS, Chadwick R, Davies MG, Quinnell TG, Smith IE. Volume assured versus pressure preset non-invasive ventilation for compensated ventilatory failure in COPD. Respir Med 2014; 108: 1508-1515

Quinnell TG, Bennett M, Jordan J, Clutterbuck-James AL, Davies MG, Smith IE, Oscroft N, Pittman MA, Cameron M, Chadwick R, Morrell MJ, Glover MJ, Fox-Rushby JA, Sharples LD. A crossover randomised controlled trial of oral mandibular advancement devices for obstructive sleep apnoea-hypopnoea (TOMADO). Thorax 2014; 69: 938-945

Banerjee S.K, Davies M, G, Sharples L, Smith I. The role of facemask spirometry in motor neuron disease. Thorax 2013;68:385-386

Mason M, Welsh E, Smith I. Drug therapy for sleep apnoea in adults. Cochrane Database of Systematic Reviews 2013

Chadwick R, Nadig V, Oscroft NS, Shneerson JM, Smith IE: Weaning from prolonged invasive ventilation in motor neurone disease: analysis of outcomes and survival. J Neurol Neurosurg Psychiatry 2011; 82: 643-645

Randerath WJ,  Verbraecken J, Andreas S, Bettega G, Boudewyns A, Hamans E, Jalbert F, Paoli JR, Sanner B, Smith I, Stuck BA, Lacassagne L, Marklund M, Maurer JT, Pepin JL, Valipour A, Verse T, Fietze I. Non-CPAP therapies in obstructive sleep apnoea. Eur Respir J 2011; 37:1000-1028

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.

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Papworth Road
Cambridge Biomedical Campus

Telephone:  01223 638000

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