Table 1.

Planning of the study activities

		Study phases
		Screening and enrolment	Pre-treatment	Radioablation	Post-treatment (until discharge)	1 month FU	3 months FU	6 months FU	12 months FU
Study activities	Compliance with inclusion/exclusion criteria	X
	Informed consent	X
	Anamnesis		X
	Physical examination		X		X
	Laboratory tests		X		X
	Thorax RX		X
	Echocardiogram		X		X		X	X	X
	12-lead ECG		X		X		X	X	X
	ICD interrogation		X	X	X		X	X	X
	Other routine patient-related exams		X		X
	QoL evaluation		X				X	X	X
	Cardiac CT		X
	Electroanatomical mapping		X*
	Simulation thorax CT and target and OARs definition		X
	Treatment planning elaboration		X
	Radioablation			X
	Weekly phone contact					X
	Cardiological visit				X		X	X	X
	Radiotherapy visit						X		X
	Thorax CT						X		X
	Adverse effects evaluation			X	X	X	X	X	X

^*To be performed unless already in possess of necessary diagnostic information

CT computed tomography; ECG electrocardiogram; FU follow up; ICD implantable cardioverter defibrillator; QoL quality of life; RX radiography