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Table 1 Quantitative radioisotope cisternography in patients with intracranial hypotension.

From: Cerebrospinal fluid leakage after radioisotope cisternography is not influenced by needle size at lumbar puncture in patients with intracranial hypotension

  22 G (n = 57)   23 G (n = 57)   25 G (n = 57)  
PTA 16 28.1% 10 17.5% 18 31.6%
EBF 1 12 21.1% 6 10.5% 4 7.0%
EBF 3 16 28.1% 28 49.1% 26 45.6%
normal 13 22.8% 13 22.8% 9 15.8%
  1. Data shows the number and percentage of patients in three groups after lumbar puncture with 22, 23, or 25 gauge needles. PTA: patients that showed radioisotope parathecal activity; EBF1: early bladder filling at 1 h without PTA; EBF3: early bladder filling at 3 h without PTA; normal: patients having cisternograms without PTA or EBF. All PTA patients had EBF at 1 h. There were no significant differences between needle sizes.