Evaluation of a digital health system (PAHcare™) for routine care of patients with pulmonary arterial hypertension: The CBS-PAH study protocol.

Introduction: Pulmonary arterial hypertension (PAH) is a rare, multifactorial, chronic condition that requires ongoing monitoring and assessment. PAHcare™ is a novel, patient-centered digital platform that provides software intended for use on patients' mobile phones (downloadable application) and web-based dashboards for use by physicians and health coaches (HC). We describe herein the protocol of a clinical study aimed at evaluating the clinical benefit and safety of PAHcare™ for the routine management of patients with PAH. Methods and analysis: In this prospective, single cohort, multicenter study, 50 patients with PAH will be recruited at six specialized PAH units from reference hospitals of the public Spanish healthcare system. The PAHcare™ digital health platform allows patients to log health and lifestyle information while also providing structured content for patient education, medication reminders, and behavioral and lifestyle coaching from a remote HC. Evaluation will be primarily focused on the impact of the platform use on the patient's health-related quality of life (HRQoL) via questionnaires completion through electronic patient-reported outcomes. Moreover, the analysis of the impact on the patient's functional status, signs and symptoms of PAH, patient costs and healthcare resource utilization, satisfaction, knowledge of the disease and its management, and adherence to and safety of the platform will be secondary outcomes. The clinical investigation started in July 2021 and is expected to end by September 2022. Discussion: The PAHcare™ platform is anticipated to provide direct benefits to healthcare professionals, patients, and caregivers. These include the simplification of the multidisciplinary approach needed to tailor routine PAH management, enhancement of the patient/healthcare professional interaction, patient's empowerment to become more actively involved in the management and treatment of the disease, and increase of the patient's and caregiver's knowledge on PAH.

Evolution of Patients with Pulmonary Arterial Hypertension Starting Macitentan After the Discontinuation of Other Endothelin-Receptor Antagonists: Results of a Retrospective Study.

BACKGROUND: Macitentan is the latest endothelin-receptor antagonist (ERA) approved for the treatment of pulmonary arterial hypertension (PAH), presenting enhanced properties over previous ERAs. OBJECTIVE: We describe the clinical and echocardiographic evolution of patients with PAH who started macitentan after discontinuing bosentan/ambrisentan. METHODS: This was a retrospective series of patients with different etiologies who started macitentan after the suspension of other ERAs under routine clinical practice at five Spanish hospitals. World Health Organization functional class (WHO-FC), 6-min walk distance (6MWD), levels of N-terminal prohormone of brain natriuretic peptide (NT-proBNP), and cardiac imaging data were collected and described at baseline (before macitentan initiation) and after 3, 6, and 12 months, when available. RESULTS: In total, 12 patients (ten women; mean age 65.63 ± 13.27 years) were observed. At baseline, most patients were receiving concomitant PAH medications, and five patients were classed as WHO-FC III. After 3 months of macitentan treatment, WHO-FC had improved in four patients, 6MWD increased in eight patients, and NT-proBNP levels and right atrial area were lowered in seven and eight patients, respectively. Similar results were observed after 6 and 12 months. Macitentan was well-tolerated, with no PAH hospitalizations, septostomies, transplants, or deaths registered. CONCLUSIONS: Our results suggest that switching to macitentan in patients with PAH who discontinued bosentan/ambrisentan was well-tolerated and effective. Further studies are needed to confirm these observations.

Quilotórax secundarios a trombosis del sistema venoso superior / Chylothorax due to upper-extremity deep vein thrombosis

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