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- W2956002009 abstract "Introduction: Surgical aortic valve replacement (AVR) and transcatheter aortic valve replacement (TAVR) are the only effective treatments for severe aortic stenosis (AS) however, a significant proportion of patients do not receive interventions due to excessive risk factors. Literature suggests that as AVR techniques continue to improve the threshold for AVR, particularly in asymptomatic AS will become less stringent. Aim: To describe the burden of untreated severe aortic stenosis at the Townsville hospital. Method: Retrospective single centre audit of patients with severe AS on transthoracic echocardiography (TTE) between January 2012 and December 2014. Criteria was defined by a mean aortic valve gradient (MG) of ≥40 mmHg in the context of a visually stenosed valve. Non-valvular causes were excluded. Patients who received AVR or TAVR by 1 year were grouped under the intervention arm, those who did not were grouped in the non-intervention arm. Mortality rates were calculated with the cohorts. Results: 146 patients were identified, with range MG 61 mmHg, mean 52 mmHg. 71 patients (49%) underwent intervention with AVR (69; 42%) or TAVR (2; 1%) and 75 (51%) patients did not. One year mortality data was available in 138 patients (66 intervention group, 49 non-intervention arm). One year mortality was 11% (7 patients) in the interventional group vs 53% (26 patients) in the non-interventional group. Nine patients (6%) received AVR after 1 year and 14 patients underwent balloon aortic valvuloplasty (BAV). Conclusion: Consistent with the existing literature, there is a significant proportion of patients with severe AS who do not receive valvular intervention." @default.
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- W2956002009 date "2019-01-01" @default.
- W2956002009 modified "2023-09-26" @default.
- W2956002009 title "A Retrospective Analysis of Patients with Severe Aortic Stenosis at The Townsville Hospital, the Only Tertiary Interventional Cardiology Centre in North Queensland" @default.
- W2956002009 doi "https://doi.org/10.1016/j.hlc.2019.06.569" @default.
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