• Vicky L Joshi, TangLars HermannLHDepartment of Physiotherapy and Occupational Therapy, Næstved-Slagelse-Ringsted Hospitals, Denmark; The Department of Regional Health Research, University of Southern Denmark, Denmark., Young Joo Kim, WagnerMette KirstineMKDepartment of Cardiology, Copenhagen University Hospital, Rigshospitalet, Blegdamsvej 9, DK-2100 Copenhagen, Denmark., Jørgen Feldbæk Nielsen, Morten Tjoernlund, and Ann-Dorthe Zwisler.
• REHPA, The Danish Knowledge Centre for Rehabilitation and Palliative Care, Odense University Hospital, Nyborg, Denmark; Department of Clinical Research, University of Southern Denmark, Odense, Denmark, Studiestraede 6, 1455 Copenhagen, Denmark. Electronic address: victoria.louise.joshi@rsyd.dk.
• Resuscitation. 2022 Apr 1; 173: 12-22.

AimsThis study investigated the feasibility and potential effect of SCARF (Survivors of Cardiac ARest focused on Fatigue) a multidisciplinary residential rehabilitation intervention focused on fatigue and the secondary psychological and physical consequences of cardiac arrest (CA).MethodsThis was a prospective one-armed feasibility study. Six progression criteria were identified related to the feasibility of the intervention and viability of a future effect study in terms of: participant recruitment (1), participant retention (2,3,4), and completeness of outcomes (5,6). Data on participant/clinician satisfaction with the intervention was also collected along with self-reported outcomes: fatigue, quality of life, anxiety, depression, function and disability, and physical activity (at baseline, 12 weeks and 6 months) and physical capacity (baseline and 12 weeks).ResultsFour progression criteria were met including retention (87.5%) and completion of baseline outcomes (97.5%). Two criteria were not met: recruitment rate was 2.9 participants per month (estimated rate needed 6.1) and completion of final outcomes was 65% (estimated proportion needed 75%). Participant/clinician satisfaction with the intervention was high. Three months after the SCARF intervention small to moderate effect size changes of r = 0.18-0.46 were found for self-reported fatigue, quality of life, anxiety, depression, function and disability and for two of the physical capacity tests (d = 0.46-0.52).ConclusionSCARF was found to be a feasible intervention with high participant/clinician satisfaction, high participant retention and the possible potential to improve self-reported and physical capacity outcomes. Procedures for study recruitment and collection of final outcomes should be modified before a fully powered randomised controlled trial is conducted.Copyright © 2022 The Author(s). Published by Elsevier B.V. All rights reserved.

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