Grasps one dumped in ditch in terrible condition? (9)

I believe the answer is:

eclampsia

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'condition?' is the definition.
(eclampsia is a kind of condition)

I don't understand the rest of the clue.

(Other definitions for eclampsia that I've seen before include "sickness" , "expecting trouble?" , "condition of pregnant women" .)

I've seen this clue in The Independent.

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