Surgical and percutaneous management of Aboriginal Australians with rheumatic heart disease: Timeliness and concordance between practice and guidelines

Ross L. Roberts-Thomson, Angus A.W. Baumann, Julie Reade, Libby Culgan, Alex Kaethner, Marcus Ilton, Nadarajah Kangaharan, Hussam M. Tayeb, Ajay Sinhal, Derek P. Chew, Jayme S. Bennetts, Stephen J. Nicholls, Peter J. Psaltis, Alex Brown

Research output: Contribution to journalArticlepeer-review

Abstract

Background: Rheumatic heart disease (RHD) affects over 40 million people globally who are predominantly young and from impoverished communities. The barriers to valvular intervention are complex and contribute to the high morbidity and mortality associated with RHD. The rates of guideline indicated intervention in patients with significant RHD have not yet been reported. Methods: From 2007 to 2017, we used the Australian Northern Territory Cardiac Database to identify patients with RHD who fulfilled at least one ESC/EACTS guideline indication for mitral valve intervention. Baseline clinical status, comorbidities, echocardiographic parameters, indication for intervention, referral and any interventions were recorded. Results: 154 patients (mean age 38.5 ± 14.6, 66.1% female) were identified as having a class I or IIa indication for invasive management. Symptoms, atrial fibrillation and pulmonary hypertension were the most common indications for surgery (74.5%, 48.1%, 40.9%). From the onset of a guideline indication the actuarial rates of accepted referral and intervention within two-years were 66.0% ± 4.0% and 53.1% ± 4.4% respectively. Of those who were referred and accepted for intervention, 86% received it within 2 years. The rates of accepted referral for patients with class I indications were 72.5% ± 4.2% while class IIa indications were 42.5% ± 9.0% (p < 0.001). Conclusions: Approximately half of Aboriginal patients with significant rheumatic mitral valve disease who met ESC/EACTS guideline indications for intervention received surgery or valvuloplasty within two-years. A significant difference in referral rates was found between Class I and Class IIa indications for valvular intervention.

Original languageEnglish
Pages (from-to)80-84
Number of pages5
JournalInternational Journal of Cardiology
Volume335
DOIs
Publication statusPublished - 15 Jul 2021

Keywords

  • Rheumatic heart disease (RHD
  • First Nations peoples
  • valvular intervention

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