Orthostatic Intolerance and Postural Orthostatic Tachycardia Syndrome in Joint Hypermobility Syndrome/Ehlers-Danlos Syndrome, Hypermobility Type: Neurovegetative Dysregulation or Autonomic Failure?
Table 3
Valsalva maneuver: comparison of JHS/EDS-HT patients stratified according to the heart rate response to tilting (#21).
POTS (10/35)
Non-POTS (11/35)
Variable
mmHg ± ds
Variable
mmHg ± ds
Baseline SBP/DBP
117/74.5 ± 11.6/6.8
Baseline SBP/DBP
111/70 ± 9.2/8
= 0.23
Maximal drop of SBP during early phase II
24.5 ± 10.6
Maximal drop of SBP during early phase II
21.9 ± 24.3
= 0.7
maximal drop of DBP during early phase II
3.9 ± 9.1
Maximal drop of DBP during early phase II
3.6 ± 16
= 0.7
SBP at late phase II
125 ± 13.1
SBP at late phase II
118 ± 18
= 0.48
DBP at late phase II
89.5 ± 11.6
DBP at late phase II
84 ± 17
= 0.4
SBP at late phase IV
142.5 ± 19.6
SBP at late phase IV
132 ± 22.4
= 0.27
DBP at late phase IV
87 ± 15.6
DBP at late phase IV
78.6 ± 15.1
= 0.22
Difference between late phase II SBP and early phase II SBP
31.8 ± 17.9
Difference between late phase II SBP and early phase II SBP
30.8 ± 9.2
= 0.6
Difference between late phase II DBP and early phase II DBP
18.9 ± 9
Difference between late phase II DBP and early phase II DBP
18. 8 ± 6.3
= 0.7
Normal values: Maximal drop of mean blood pressure (MBP) during early phase II: ≥20 mmHg; systolic blood pressure (SBP) and diastolic blood pressure (DBP) at late phase II: ≥baseline; SBP and DBP at late phase IV: ≥baseline.
