What is another word for "coarctation"?

Roget's Thesaurus (1911) lists these synonyms for "coarctation": abate, abatement, abridge, abridgment, anatomy, and, angustation, anticlimax, attenuate, away, bate, bone, breadth, closeness, constriction, contract, contraction, crumble, decay, declension, decline, decrease, decreasing, decrement, deposition, depreciate, depreciation, dequantitate, descend, descent, deterioration, die, diminish, diminution, discount, drop, dwarf, ebb, emaciation, exiguity.