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Improving cardiovascular magnetic resonance access in low- and middle-income countries for cardiomyopathy assessment: rapid cardiovascular magnetic resonance

2022; Oxford University Press; Volume: 43; Issue: 26 Linguagem: Inglês

10.1093/eurheartj/ehac035

1522-9645

Katia Menacho, Sara Ramírez, A Calvé Pérez, Laura Dragonetti, Diego Pérez de Arenaza, Diana Katekaru, Violeta Illatopa, Sara Munive, Bertha Rodríguez, Ana Shimabukuro, Kelly Cupe, Rajiv Bansal, Vivek Bhargava, Ivonne Rodriguez, Andreas Seraphim, Kristopher Knott, Amna Abdel‐Gadir, Salomon Guerrero, Marco A. Lazo-Soldevilla, David Uscamaita, Marco Rivero, Neil Amaya, Sanjiv Sharma, Amelia Peix, Thomas A. Treibel, Charlotte Manisty, Sam Mohiddin, Harold Litt, Yuchi Han, Juliano Lara Fernandes, Ron Jacob, Mark Westwood, Ntobeko Ntusi, Anna S Herrey, John M. Walker, James Moon,

Congenital Heart Disease Studies

To evaluate the impact of a simplified, rapid cardiovascular magnetic resonance (CMR) protocol embedded in care and supported by a partner education programme on the management of cardiomyopathy (CMP) in low- and middle-income countries (LMICs).Rapid CMR focused particularly on CMP was implemented in 11 centres, 7 cities, 5 countries, and 3 continents linked to training courses for local professionals. Patients were followed up for 24 months to assess impact. The rate of subsequent adoption was tracked. Five CMR conferences were delivered (920 attendees-potential referrers, radiographers, reporting cardiologists, or radiologists) and five new centres starting CMR. Six hundred and one patients were scanned. Cardiovascular magnetic resonance indications were 24% non-contrast T2* scans [myocardial iron overload (MIO)] and 72% suspected/known cardiomyopathies (including ischaemic and viability). Ninety-eighty per cent of studies were of diagnostic quality. The average scan time was 22 ± 6 min (contrast) and 12 ± 4 min (non-contrast), a potential cost/throughput reduction of between 30 and 60%. Cardiovascular magnetic resonance findings impacted management in 62%, including a new diagnosis in 22% and MIO detected in 30% of non-contrast scans. Nine centres continued using rapid CMR 2 years later (typically 1-2 days per week, 30 min slots).Rapid CMR of diagnostic quality can be delivered using available technology in LMICs. When embedded in care and a training programme, costs are lower, care is improved, and services can be sustained over time.