Benefits of high intensity interval training in people with fibrotic interstitial lung disease

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The fibrotic interstitial lung diseases (fILD) is a group of debilitating chronic lung conditions that are characterised by scarring of lung tissue, dyspnoea on exertion and significant physical impairment. Exercise training is recommended for people with fILD in improving breathlessness and exercise tolerance. However, despite the best efforts of patients and clinicians, many of those who participate are not attaining its benefits. The current exercise training strategies of moderate intensity continuous training may not be well suited to fILD. High intensity interval training, short bouts of high-intensity exercise regularly interspersed with periods of rest or light exercise may be an alternate exercise training option for people with fILD. People with fILD will be recruited and randomly allocated to receive either the traditional PR model of moderate intensity continuous training or high intensity interval training. The aim of this study is to determine to whether high intensity interval training is better than the current method of continuous exercise training at moderate intensity in improving exercise tolerance, breathlessness and quality of life in people with fILD.