Deep brain stimulation-related experiences for obsessive-compulsive disorder: In-depth interviews with operated patients and relatives

•DBS impacts the life of OCD patients beyond changes in their core symptoms.•Qualitative methods allow gathering in-depth knowledge of DBS-related experiences.•Positive and negative psychological and physical experiences are reported.•Attention should be given to each individual treatment trajectory.•Proper assessment tools should be developed for continuous monitoring and support.