Prevention of Scoliosis in Patients With Duchenne Muscular Dystrophy Using Portable Seat Device

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

UNKNOWN

Clinical Phase

NA

Total Enrollment

98 participants

Study Classification

INTERVENTIONAL

Study Start Date

2018-08-07

Study Completion Date

2024-12-31

Brief Summary

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This study will be conducted without blind method. The portable seat device devised to maintain lumbar lordosis will be made within 1 year after the loss of ambulation in the participants with Duchenne muscular dystrophy with prospective design.

In the control group, the presence of scoliosis will be calculated 5 years after the loss of ambulation in participants with Duchenne muscular dystrophy through analysis of retrospective medical records who had not been applied the portable seat device.

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Detailed Description

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In the retrospective data of Seoul National University Children's Hospital, the incidence of 5-year scoliosis in the control group in the past using steroids alone was 70% in patients with confirmed Duchenne muscular dystrophy. When applying the portable seat device (experimental group), the incidence of scoliosis is expected to decrease to 50% (ie, 35% because of 50% of 70%) compared with using steroid alone.

In this study, investigators will enroll 70 control subjects who did not use the portable seat device through retrospective data. The number of subjects required to show the difference between the significance level of 5% and the power of 80% was 19, and 28 participants with DMD are required considering 30% dropout rate.

Conditions

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Scoliosis Neuromuscular Duchenne Muscular Dystrophy Lordosis Lumbar

Study Design

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Allocation Method

NON_RANDOMIZED

Intervention Model

SINGLE_GROUP

Primary Study Purpose

PREVENTION

Blinding Strategy

NONE

Study Groups

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Experimental group

When loss of ambulation was observed in patients with Duchenne muscular dystrophy, portable seat device devised to maintain lumbar lordosis were applied within 1 year, and then compliance with the the device were evaluated at 6-month intervals for 5 years.

Group Type EXPERIMENTAL

Portable seat device devised to maintain lumbar lordosis

Intervention Type DEVICE

The posterior lumbar spine pads are used to maintain lumbar lordosis and fix it with the shoulder strap so that the hip does not slip forward (so that it does not become a sacral sitting posture).

The seat is equipped with a 5 cm air filled villus cushion to relieve pressure on the ischial tuberosity when sitting for a long time. The portable seat device can be moved so that the DMD can sit on the device even when sitting in a wheelchair or a chair for home, school, or outdoors, so that the lumbar lordosis can be constantly maintained.

Control group

Analysis of retrospective medical records who had not been applied portable seat device devised to maintain lumbar lordosis

Group Type NO_INTERVENTION

No interventions assigned to this group

Interventions

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Portable seat device devised to maintain lumbar lordosis

The posterior lumbar spine pads are used to maintain lumbar lordosis and fix it with the shoulder strap so that the hip does not slip forward (so that it does not become a sacral sitting posture).

The seat is equipped with a 5 cm air filled villus cushion to relieve pressure on the ischial tuberosity when sitting for a long time. The portable seat device can be moved so that the DMD can sit on the device even when sitting in a wheelchair or a chair for home, school, or outdoors, so that the lumbar lordosis can be constantly maintained.

Intervention Type DEVICE

Eligibility Criteria

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Inclusion Criteria

* Patients with the diagnosis of Duchenne muscular dystrophy diagnosed by genetic study were included.

1. Within 1 year after loss of ambulation (Vignos scale 7 points or more)
2. Condition without scoliosis
3. Conditions that do not have physical (eg, cerebral palsy) and mental (eg, moderate or higher intellectual disability) comorbid conditions that will affect the use of postural seat device.