顽固性的 meaning in English

intractable refractory
refractory

The interventions resulted in marked improvement in refractory heart failure as well as rhythm control of af
这项治疗不但改善了顽固性的心衰竭，还帮助了心房颤动的控制。
We report an interesting case of a patient admitted due to fever of unknown origin and intractable seizures
这里提出的是一个有趣的病例，病人因为不明原因的发烧以及顽固性的癫痫发作而来就医。
Dissolve freckle : effectively dissolve freckle , chloasma , eyasma and black spots caused from uva and uvb rays of sunlight , further lighten your intractable freckles
溶斑:有效溶解雀斑,黄褐斑,妊娠斑以及uva / uvb照射形成的黑印,使其进一步淡化,特别对于顽固性的黑斑有明显效果