Table 3:

Comparison of treatment and clinical outcomes of spinal arteriovenous shunts below the conus

FTAVFrAVSSDAVFAllP Valuea
Treatment option (No.)
    Embolization051621.002b
    Surgery91818
    E+S2169
Mean FUc24.0 ± 26.121.3 ± 5.327.6 ± 20.625.7 ± 20.2.54
Complete obliteration (No.) (%)9 (100%)6 (100%)19 (82.6%)34 (89.4%).476
Median ALS grade pretreatmentc97.577.5.273
Median ALS grade at last FUc5454.5
P valued.023b.063<.001b<.001b
  • Note:—E+S indicates combined embolization-surgery; FU, follow-up.

  • a Comparison among FTAVF, rAVS, and SDAVF.

  • b Statistically significant values.

  • c Ten patients lost to follow-up after the treatments were excluded.

  • d Comparison between pretreatment and last FU ALS grades.