O valor prognóstico do Strain.

Although many studies have reported on the diagnostic accuracy of strain and SR for detecting coronary disease, only a few studies have examined its prognostic value.
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AQUI COMPLETO
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Não é tarefa fácil para um novo método demonstrar valor prognóstico clínico significativo.
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Só que o Strain não é novo…Desde o início dos anos 90 o método já é utilizado em pesquisas!
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Métodos de diagnóstico muitas vezes se afastam da clínica, passam a ser herméticos, falando de seus próprios resultados ou usando padrões ouro questionáveis.
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Aí vem a velha e boa clínica e coloca a casa em ordem.
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Strain em todos os pacientes? Não.

Feasibility of Bidimensional Speckle-Tracking Echocardiography for Strain Analysis in Consecutive Patients in Daily Clinical Practice
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Aqui
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Conclusion: Longitudinal strain analysis with 2DSTE is feasible in most segments, but the radial and circumferential strain evaluation was only feasible in approximately half of the patients.
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Vejam aqui o argumento do prof Morcerf.
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Strain com exercício (Sorry Dobutamine Lovers…) – Críticas


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All subjects underwent echocardiography with TDE/SRI at rest and under a bicycle (ErgolineTM,
Binz, Germany) exercise test in half-supine position with 2 W/kg body weight for 5 min.
Beginning with the 3rd minute, TDE was performed at a stable heart rate during exercise.
The average resting heart rate of 80 ± 18 beats per minute rose to 135 ± 8 beats under maximal
exercise. After the exercise test, study persons were monitored for another 30 min and then discharged.
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AQUI Completo
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