NCT03554330

✓ Unanimous Initial: cardiac Requery: N/A — While pulmonary arterial hypertension involves the cardiopulmonary system, the specific and available categories ('respiratory' and 'cardiac') refer to distinct chronic conditions (COPD, heart failure) and do not explicitly encompass pulmonary hypertension, making 'N/A' the most appropriate classification for this specific non-cancer population.

✓ Unanimous Initial: respiratory Requery: respiratory — The study targets patients with severe pulmonary arterial hypertension, a condition related to respiratory function. Thinking: cardiac — Participants have severe pulmonary arterial hypertension with right heart failure, fitting advanced cardiac disease category.

✓ Unanimous Initial: cardiac Requery: N/A — The study focuses on pulmonary arterial hypertension which is primarily a cardiac/vascular condition, but the population and intervention are too specialized for the general cardiac category. Thinking: cardiac — Pulmonary arterial hypertension with right heart failure is a cardiovascular condition affecting the heart and pulmonary circulation.

✓ Unanimous Initial: inpatient

✓ Unanimous Initial: outpatient Requery: inpatient — The interventions (balloon atrial septostomy and radiofrequency catheter ablation) are surgical procedures that require inpatient care for monitoring and recovery.

✓ Unanimous Initial: inpatient Requery: inpatient — The study involves invasive cardiac catheterization procedures (balloon atrial septostomy and radiofrequency catheter ablation) that require hospitalization and continuous monitoring during the intervention.

✓ Unanimous Initial: feasibility RCT

✓ Unanimous Initial: fully powered RCT Requery: fully powered RCT — The enrollment count is 90, and the study is designed to assess clinical outcomes such as the size of fenestration and secondary outcomes like exercise tolerance, indicating a powered trial for clinical effectiveness.

✓ Unanimous Initial: fully powered RCT Requery: fully powered RCT — With 90 participants and primary outcome focused on clinical effectiveness (fenestration size change over 12 months), this appears to be a fully powered trial designed to evaluate the clinical efficacy of different RFA approaches rather than a pilot study.

✓ Unanimous Initial: no

✓ Unanimous Initial: yes Requery: no — The combined use of BAS and RFA involves two surgical procedures that do not fundamentally interact beyond their sequence, classifying this as a single-modality intervention.

✓ Unanimous Initial: no Requery: no — This study combines two surgical procedures (radiofrequency catheter ablation and balloon atrial septostomy) within the same procedural category, which does not constitute a complex intervention requiring different interacting component types.

✓ Unanimous Initial: no

✓ Unanimous Initial: yes Requery: no — The trial investigates a combination of balloon atrial septostomy and radiofrequency catheter ablation to treat pulmonary arterial hypertension, which are specific medical procedures, not palliative care interventions.

✓ Unanimous Initial: yes Requery: no — This study tests a procedural intervention (combined radiofrequency catheter ablation and balloon atrial septostomy) in patients with severe pulmonary arterial hypertension, not palliative care consultation or service delivery itself.

✓ Unanimous Initial: yes Requery: no — The intervention involves radiofrequency catheter ablation and balloon atrial septostomy, which are medical devices or procedures that do not fit the residual 'other' category.

✓ Unanimous Initial: no Requery: no — The trial involves radiofrequency catheter ablation and balloon atrial septostomy, which classify as device and/or procedural interventions rather than 'other' interventions.

✓ Unanimous Initial: no Requery: no — The intervention involves device-based procedures (radiofrequency catheter ablation and balloon atrial septostomy), which fall under the device intervention category.

✓ Unanimous Initial: yes

✓ Unanimous Initial: yes Requery: no — The clinical trial does not measure specific symptoms using validated instruments like pain, nausea, or depression scales, but focuses on physiological and functional outcomes such as fenestration size, exercise tolerance, and oxygen saturation.

✓ Unanimous Initial: no Requery: no — The primary outcome measures fenestration size changes and secondary outcomes include exercise tolerance, oxygen saturation, and WHO functional class, but none are specific symptom measures using validated symptom assessment instruments.