That's a tough row to hoe; speaking with respect to inherited genetic situations.
As time marches on the requirement to maintain relative balance seems to impose periodic realignments. My own wrinkles and rickety posture is mute evidence of that very thing.
Very sorry to hear of the blockages, my friend, and I pray the right remedy is determined. Yet, on the profitable side, your wisdom to evaluate and respond as and when you did is praiseworthy ... Kudos!
Mapex Saturn * Paiste Terry Bozzio Single-Ply Coated