1. Patient-Controlled Therapy of Breathlessness in Palliative Care: A New Therapeutic Concept for Opioid Administration? 
Andrea Schmitz, MD, Christian Schulz, MD, MSc, Uta Friebel, MD, Thomas Hohlfeld, MD, PhD, Claudia Bausewein, MD, PhD 
Journal of Pain and Symptom Management 
Volume 51, Issue 3, Pages (March 2016)
DOI: /j.jpainsymman
Copyright © 2016 American Academy of Hospice and Palliative Medicine Terms and Conditions

2. Fig. 1
Reasons for delay of demand medication. PCT = patient-controlled therapy.
Journal of Pain and Symptom Management  , DOI: ( /j.jpainsymman )
Copyright © 2016 American Academy of Hospice and Palliative Medicine Terms and Conditions

3. Fig. 2
Recruitment of patients 2012/08/14–2013/12/11. *The Interdisciplinary Center for Palliative Medicine (ICP) treated 711 different individuals; some were treated more than once. Reasons for dropout: 1) refusal of intravenous line, 2) impairment of general health with sudden death before PCT start, and 3) discharge with transfer to hospice. Reasons for loss to follow-up: 1) incapable of using PCT because of cognitive or motor impairment and 2) incomplete data record. HOPE = German Hospice and Palliative Care Evaluation.
Journal of Pain and Symptom Management  , DOI: ( /j.jpainsymman )
Copyright © 2016 American Academy of Hospice and Palliative Medicine Terms and Conditions

4. Fig. 3 Etiology and types of breathlessness.
Journal of Pain and Symptom Management  , DOI: ( /j.jpainsymman )
Copyright © 2016 American Academy of Hospice and Palliative Medicine Terms and Conditions