Sentences with phrase «painful lumbar punctures»

To make sure that the patients were really free of the parasite, for instance, they had to be persuaded to travel back to the study clinic and undergo painful lumbar punctures 6, 12, and 18 months after the trial — which isn't easy when patients no longer feel sick.

Neurological biomarkers can be studied using CSF, but this requires an invasive and painful lumbar puncture procedure.