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Table 1 Chronology of clinical events, dose of intrathecal baclofen, location of tip of catheter for delivery of baclofen and presence of bladder stones

From: Bladder stones – red herring for resurgence of spasticity in a spinal cord injury patient with implantation of Medtronic Synchromed pump for intrathecal delivery of baclofen – a case report

Days Clinical event Dose of intrathecal baclofen Micro-grams/day Location of catheter tip Bladder stones
Day 0 Road traffic accident Spinal cord injury - - -
412 Implantation of Medtronic Synchromed EL pump 300 T-10 -
487 Intravenous urography 530 T-10 Yes*
500 Back ache 575 - -
689 X-ray of abdomen 875 The catheter has come out of the spinal canal. The catheter is coiled in the paraspinal space at L-4 level.* Yes
700 Cystoscopy and electrohydraulic lithotripsy of vesical calculi 875 - -
738 X-ray of abdomen 1300 The catheter has come out of the spinal canal. The catheter is coiled in the paraspinal space at L-4 level. No
759 MRI and CT scan of lumbar spine 1300 No CSF collection in paravertebral soft tissue. The tip of catheter is coiled superficially within right longissimus lumborum muscle. No
763 Exploration revealed the catheter lying under the sheath of paraspinal muscle. 300 A new catheter was passed into the subarachnoid space and the tip of catheter was located at T-8 level, which was confirmed by X-ray screening. No
  1. * These observations were made in retrospect after seeing the X-ray, which was taken on day 738.