취약한 심방세동 환자를 위한 동료 멘토 지원 (EMPOWER-AF)

Participants randomized to this arm receive a 16-week peer-mentor intervention in addition to usual care. Each participant is matched with a trained peer mentor with lived experience of atrial fibrillation who provides emotional support, normalization of illness experiences, and practical guidance. The intervention includes approximately eight contacts over 16 weeks delivered via telephone, face-to-face meetings, or digital communication depending on participant preferences. Participants continue to receive usual medical care throughout the study period.

A 16-week peer-mentor program designed to support patients living with atrial fibrillation. Participants are matched with trained peer mentors who have lived experience with atrial fibrillation. Mentors provide emotional support, normalization of illness experiences, and practical non-clinical guidance for managing everyday life with the condition. Contacts between mentors and participants are planned approximately eight times during the intervention period and may take place via telephone, face-to-face meetings, or digital communication according to participant preferences. Mentors do not provide medical advice.

Participants randomized to this arm receive usual care according to local clinical practice for atrial fibrillation. No peer-mentor support is provided.

Anxiety symptoms are assessed using the Hospital Anxiety and Depression Scale - Anxiety subscale (HADS-A). The subscale consists of 7 items assessing symptoms such as tension, worry, and panic, each scored from 0 to 3. The total score ranges from 0 to 21, with higher scores indicating greater levels of anxiety symptoms.

Depressive symptoms are assessed using the Hospital Anxiety and Depression Scale - Depression subscale (HADS-D). The subscale consists of 7 items assessing mood, interest, and enjoyment, each scored from 0 to 3. The total score ranges from 0 to 21, with higher scores indicating greater levels of depressive symptoms.

Quality of life is assessed using the Atrial Fibrillation Effect on QualiTy-of-life (AFEQT) questionnaire. The questionnaire includes items assessing symptoms, daily activities, treatment concerns, and satisfaction over the past 4 weeks. Items are rated on a 7-point scale, and scores are transformed to a scale from 0 to 100, with higher scores indicating better quality of life.

Self-efficacy is assessed using the Self-Efficacy for Managing Chronic Disease scale (SES6G), which includes 6 items assessing confidence in managing symptoms, emotional challenges, and daily activities related to chronic illness. Each item is scored on a scale from 1 to 10, and the total score is calculated as the mean of the items, with higher scores indicating greater self-efficacy.

Use of psychotropic medication is assessed using national prescription register data. This includes antidepressants (ATC code N06A) and benzodiazepines (ATC code N05B). The outcome is defined as the occurrence of at least one redeemed prescription during follow-up.Outcome assessments are conducted at 24 weeks and 1 year after completion of the 16-week intervention.

Diagnoses of anxiety and depression are assessed using national patient register data. Diagnoses include anxiety disorders (ICD-10 code F41*) and depressive disorders (ICD-10 codes F32-F33*). The outcome is defined as the occurrence of at least one diagnosis during follow-up. Outcome assessments are conducted at 24 weeks and 1 year after completion of the 16-week intervention.

Hospital contacts related to atrial fibrillation are assessed using national patient register data. Contacts are identified using ICD-10 code I48* and include inpatient admissions and outpatient visits. The outcome is defined as the occurrence of at least one AF-related hospital contact during follow-up. Outcome assessments are conducted at 24 weeks and 1 year after completion of the 16-week intervention.

Mortality outcomes are assessed using national register data and include cardiac death and suicide during follow-up. The outcome is defined as the occurrence of death during the follow-up period. Outcome assessments are conducted at 24 weeks and 1 year after completion of the 16-week intervention.