What This Means
People with a recent spinal cord injury often experience sharp drops in blood pressure when they sit or stand up, known as orthostatic hypotension. This can cause dizziness and limit rehabilitation. This study tested whether an abdominal binder, electrical stimulation of the abdominal muscles (AFES), or both together could help. Eleven inpatients with injuries between C3 and T5 were tipped from lying to sitting on four different days, each with a different condition (binder, AFES, both, or nothing), while blood pressure was continuously recorded.
None of the approaches completely prevented orthostatic hypotension; all conditions still showed blood pressure drops large enough to count as OH. The binder alone had the largest sudden drop in mean arterial pressure (-41 mmHg). However, when electrical stimulation and the binder were used together, average blood pressure while upright stayed essentially the same as when lying down (-1 mmHg, not a significant change). In the other three conditions, average upright blood pressure fell by about 4 to 7 mmHg.
This research suggests that combining abdominal stimulation with a binder may help steady blood pressure during position changes in early spinal cord injury, even though it does not remove the problem. The study was small and looked only at immediate effects, so larger studies would be needed to confirm the benefit and see whether it lasts.