# Intracranial Pressure and a Potential Vicious Circle of Atrial Fibrillation in HFpEF

> **NCT07521293** · — · COMPLETED · sponsor: **Ankara Ataturk Sanatorium Training and Research Hospital** · enrollment: 309 (actual)

## Conditions studied

- Heart Failure With Preserved Ejection Fraction (HFpEF)
- Atrial Fibrillation
- Optic Nerve Sheath Diameter
- Intracranial Pressure
- Venous Congestion

## Interventions

- **DIAGNOSTIC_TEST:** Echocardiography

## Key facts

- **NCT ID:** NCT07521293
- **Lead sponsor:** Ankara Ataturk Sanatorium Training and Research Hospital
- **Sponsor class:** OTHER_GOV
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2025-10-14
- **Primary completion:** 2026-03-20
- **Final completion:** 2026-03-20
- **Target enrollment:** 309 (ACTUAL)
- **Last updated:** 2026-04-09


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT07521293

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT07521293, "Intracranial Pressure and a Potential Vicious Circle of Atrial Fibrillation in HFpEF". Retrieved via AI Analytics 2026-06-24 from https://api.ai-analytics.org/clinical/NCT07521293. Licensed CC0.

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*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*