Purpose
To evaluate the effectiveness of the Compelled Body Weight Shift (CBWS) therapy approach in the rehabilitation of individuals with chronic stroke. CBWS involves a forced shift of body weight towards a person’s affected side by means of a shoe insert that establishes a lift of the non-affected lower extremity.
Method
Eighteen individuals with chronic, unilateral stroke (mean age 57.7 ± 11.9 years, with a range of 35–75 years, mean time since stroke 6.7±3.9 years with a range of 1.1–14.1 years) who showed asymmetrical stance were randomly divided into two groups: the experimental group received a six-week physical therapy combined with CBWS therapy and the control group received only physical therapy. Both groups underwent a battery of identical tests (Fugl-Meyer assessment, Berg Balance Scale, weight bearing, and gait velocity) before the start of the rehabilitation intervention, following its completion, and three months after the end of therapy.
Results
After the intervention, weight bearing on the affected side (measured with the Balance Master®) increased in the experimental group to a larger degree compared to the control group (9.7% vs. 6.4%). Similarly, gait velocity increased 10.5% in the experimental group compared to the control group. Improvements in weight bearing and gait velocity were maintained in the experimental group after the three month retention period.
Conclusion
The study outcome revealed that a six-week intervention involving CBWS therapy could result in a long-lasting improvement of the symmetry of weight bearing and velocity of gait in individuals with chronic stroke.
The results of the current study indicate that the assessment of temporo-spatial characteristics of gait can be incorporated into a clinical routine. This will be useful for patient education, justification of medical necessity of paying, monitoring progress, and in the decision-making process of weaning patients off orthoses.
The prolonged voluntary closure of the glottis during the supraglottic and super-supraglottic swallowing techniques may create the Valsalva maneuver. The Valsalva maneuver has been associated with sudden cardiac death and cardiac arrhythmias. This study describes the effects of the supraglottic and super-supraglottic swallowing techniques on the cardiovascular system. Subjects included 23 patients from an acute inpatient rehabilitation hospital. Subject groups included recent stroke, dysphagia. and a history of coronary artery disease (Group 1, N = 11). recent stroke and dysphagia with no known coronary artery disease (Group 2, N = 4), and orthopedic diagnosis with no known dysphagia or coronary artery disease (Group 3, N = 8). Cardiac status was monitored for 4 hours during swallowing training, regular therapy sessions, and a meal. For Groups I and 2, 86.6% (13 out of 15) of the subjects demonstrated abnormal cardiac findings during the swallowing session including supraventricular tachycardia, premature atrial contractions, and premature ventricular contractions. Arrhythmia subsided within a few minutes after the session and did not occur during other activities. In Group 3 (control group), none of the subjects demonstrated abnormal cardiac findings except for bradycardia in one subject. It is suggested that the supraglottic and super-supraglottic swallow maneuvers may be contraindicated for patients with a history of stroke or coronary artery disease.
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