Clinical Study
Why Treat Apogeotropic BPPVs of the Horizontal Canal? About
30 Observations
Table 1
The elements which enabled the authors to undertake the diagnosis, the delays, the transformability and the evolution.
| | Case | Sex | Age | Duration before C1 | Dominant side nystagmus | Dominant side vertigo | Bow test nystagmus | Side of BPPV | VNS type of BPPV at C1 | VNS type of BPPV after M | Time between C1 and C2 | Vertigo at C1 | VNS type of BPPV at C2 | VNS type of BPPV after M | Time between C2 and C3 | Vertigo at C3 | VNS type of BPPV at C3 | VNS type of BPPV after M | Total of M | Total of C | | | | (days) | | | | | | | (days) | | | | (days) | | | | | |
| | 1 | M | 46 | 13 | R > L | R > L | 0 | L | APO | APO | 20 | No | | | | | | | 1 | 1 | | 2 | M | 47 | 5 | L = R | L = R | R | L | APO | APO | 6 | No | | | | | | | 1 | 1 | | 3 | M | 67 | 5 | R > L | R > L | R | L | APO | APO | 5 | No | | | | | | | 1 | 1 | | 4 | F | 54 | 1 | L > R | L > R | L | R | APO | APO | 3 | No | | | | | | | 1 | 1 | | 5 | F | 53 | 21 | L > R | L = R | L | R | APO | APO | 19 | No | | | | | | | 1 | 1 | | 6 | F | 24 | 1 | L > R | L > R | L | R | APO | APO | 5 | No | | | | | | | 1 | 1 | | 7 | M | 29 | 28 | L > R | L > R | L | R | APO | APO | 20 | No | | | | | | | 1 | 1 | | 8 | M | 54 | 2 | R > L | R = L | R | L | APO | APO | 4 | No | | | | | | | 1 | 1 | | 9 | F | 64 | 2 | L = R | L = R | R | L | APO | APO | 7 | No | APO | APO | 37 | No | | | 2 | 2 | | 10 | F | 66 | 8 | L > R | L > R | 0 | R | APO | GEO | 8 | No | APO | APO | 14 | No | | | 3 | 2 | | 11 | F | 74 | 4 | L > R | L > R | 0 | R | APO | APO | 4 | Yes | APO | GEO | 10 | No | | | 3 | 2 | | 12 | F | 49 | 10 | R > L | R > L | R | L | APO | APO | 10 | Yes | APO | APO | 31 | No | | | 2 | 2 | | 13 | F | 64 | 12 | L = R | R > L | R | L | APO | APO | 4 | Yes | APO | APO | 8 | No | | | 2 | 2 | | 14 | F | 80 | 2 | L = R | R > L | R | L | APO | GEO | 4 | No | GEO | GEO | 42 | No | | | 3 | 2 | | 15 | F | 41 | 9 | L > R | L = R | 0 | R | APO | APO | 5 | Yes | GEO | GEO | 21 | No | | | 2 | 2 | | 16 | M | 47 | 2 | R > L | R > L | 0 | L | APO | APO | 10 | Yes | GEO | GEO | 14 | No | | | 2 | 2 | | 17 | F | 63 | 26 | L > R | L = R | 0 | R | APO | APO | 8 | Yes | GEO | GEO | 30 | No | | | 2 | 2 | | 18 | F | 43 | 3 | L = R | L = R | L | R | APO | APO | 4 | Yes | GEO | GEO | 20 | No | | | 2 | 2 | | 19 | M | 47 | 10 | L > R | L > R | L | R | APO | GEO | 5 | No | POS | POS | 21 | No | | | 3 | 2 | | 20 | F | 80 | 40 | L = R | L = R | R | L | APO | APO | 8 | No | POS | POS | 15 | No | | | 2 | 2 | | 21 | F | 82 | 15 | L = R | L = R | L | R | APO | APO | 6 | No | POS | POS | 15 | No | | | 2 | 2 | | 22 | F | 50 | 13 | L > R | L = R | L | R | APO | APO | 6 | No | POS | POS | 12 | No | | | 2 | 2 | | 23 | F | 77 | 11 | R > L | R > L | R | L | APO | APO | 17 | Yes | APO | APO | 47 | No | APO | APO | 3 | 3 | | 24 | M | 63 | 1 | L = R | L > R | 0 | R | APO | APO | 2 | Yes | APO | APO | 6 | No | APO | APO | 3 | 3 | | 25 | F | 75 | 8 | R > L | R > L | R | L | APO | APO | 16 | Yes | APO | APO | 30 | No | APO | APO | 3 | 3 | | 26 | M | 75 | 40 | L = R | L > R | 0 | R | APO | APO | 6 | Yes | APO | APO | 13 | No | APO | APO | 3 | 3 | | 27 | F | 64 | 26 | L = R | R > L | R | L | APO | APO | 20 | Yes | APO | APO | 49 | No | APO | APO | 3 | 3 | | 28 | F | 65 | 3 | L = R | L = R | R | L | APO | GEO | 9 | No | GEO | GEO | 44 | No | GEO | GEO | 4 | 3 | | 29 | M | 72 | 15 | R > L | L = R | R | L | APO | GEO | 11 | Yes | GEO | GEO | 15 | Yes | GEO | GEO | 4 | 3 | | 30 | M | 43 | 12 | L > R | L > R | L | R | APO | APO | 6 | Yes | APO | APO | 21 | Yes | POS | POS | 3 | 3 |
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