Abstract
BackgroundReclining wheelchairs are commonly used to transport elderly stroke patients in Taiwan. However, there is concern that the patient's body in the wheelchair often slides forward when they return to a seated position, increasing the sitting pressure. Therefore, a novel reclining wheelchair with an ergonomic "V-Seat" was designed to prevent forward sliding and pressure sores. The use of these reclining chairs by stroke patients has not yet been studied. Thus, we investigated the effects of V-shaped and conventional seats in reclining wheelchairs on the extent of forward sliding and on the sitting pressure of stroke patients with flaccid hemiplegia and of able-bodied elders.MethodsWe recruited 13 able-bodied elders and 11 stroke patients with flaccid hemiplegia and performed 5 reclining cycles in both types of wheelchair. The amount of sliding along the backrest (BS) plane and the seat (SS) plane, the mean sitting pressure (MP), and the sacral peak pressure (SPP) of the subjects were recorded. We used the Wilcoxon signed-rank test to compare the BS, SS, MP, and SPP in wheelchairs with conventional and V-shaped seats, and we used the Wilcoxon rank sum test to compare the differences in BS and SS between stroke patients and able-bodied elders in both types of reclining wheelchair.ResultsThe BS, SS, and SPP of stroke patients were significantly lower in the wheelchairs with V-shaped seats than in conventional wheelchairs in most comparisons; however, the BS of able-bodied elders was higher in V-shaped seats than in conventional seats. The SS and SPP of stroke patients were significantly higher than those of able-bodied elders in both types of reclining wheelchair, and the BS of stroke patients was significantly higher than that of able-bodied elders only in conventional reclining wheelchairs.ConclusionsThe use of V-shaped seats in reclining wheelchairs can help reduce the forward sliding and sacral peak pressure of stroke patients with flaccid hemiplegia. The back displacement of able-bodied subjects when using both conventional and V-shape seats in reclining positions differs from the back displacement of stroke patients with flaccid hemiplegia when using such seats. These results are of paramount value and should be considered when prescribing the use of reclining wheelchairs to subjects with flaccid hemiplegia.
Highlights
Reclining wheelchairs are commonly used to transport elderly stroke patients in Taiwan
The back displacement of able-bodied subjects when using both conventional and V-shape seats in reclining positions differs from the back displacement of stroke patients with flaccid hemiplegia when using such seats
These results are of paramount value and should be considered when prescribing the use of reclining wheelchairs to subjects with flaccid hemiplegia
Summary
Reclining wheelchairs are commonly used to transport elderly stroke patients in Taiwan. A novel reclining wheelchair with an ergonomic “V-Seat” was designed to prevent forward sliding and pressure sores. The use of these reclining chairs by stroke patients has not yet been studied. The patient’s body often slides forward in the wheelchair when returning to a seated position from a reclined position This sliding leads to a sacral sitting posture and results in increased sacral shear stress, predisposing the patient to a sacral pressure sore [5,6] and requiring caregivers to frequently reposition their patients. With the goal of preventing forward sliding and pressure sores, a novel ergonomic “V-Seat” has been designed This seat “sinks” at the backrest at a downward angle of up to 20 degrees, whereas the backrest itself reclines up to 160 degrees (Figure 1). The use of these chairs by stroke patients has not yet been studied
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