Endovascular ablation of the right greater splanchnic nerve for the management of heart failure with preserved ejection fraction: a systematic review and meta-analysis. - Manea H; Khalifa MA; Shahrori MA; Shimal AA; Saleh AO; El-Sayed OS; Bashir M; Awadalla EK; Al-Ihribat AR; Henna F; Al-Ghuraibawi M (The Egyptian heart journal : (EHJ) : official bulletin of the Egyptian Society of Cardiology, 2026)