Gait variability in Parkinson's disease: levodopa and walking direction.

BACKGROUND: Levodopa treatment has been shown to improve gait spatio-temporal characteristics in both forward and backward walking. However, effect of levodopa on gait variability during backward walking compared with forward walking has not been reported. AIMS OF STUDY: To study the effects of levodopa on gait variability of forward and backward walking in individuals with Parkinson's disease (PD). METHODS: Forty individuals with PD were studied. Their mean age was 68.70 ± 7.46 year. The average time since diagnosis was 9.41 ± 5.72 year. Gait variability was studied while 'OFF' and 'ON' levodopa when the participants walked forward and backward at their usual speed. Variability in step time, swing time, stride length, double support time, and stride velocity were compared between medication condition and walking direction. RESULTS: Variability of step time, swing time, stride length, and stride velocity decreased significantly during forward and backward walks (P < 0.001; P < 0.001; P = 0.003, P = 0.001, respectively) after levodopa administration. Variability of double support time was not changed after levodopa administration (P = 0.054). CONCLUSIONS: Levodopa had positive effects on gait variability of forward and backward walking in individuals with PD. However, variability in double support time was not affected by the levodopa.

A randomized controlled trial of hypnosis compared with biofeedback for adults with chronic low back pain.

BACKGROUND: Chronic low back pain (CLBP) is common and results in significant costs to individuals, families and society. Although some research supports the efficacy of hypnosis for CLBP, we know little about the minimum dose needed to produce meaningful benefits, the roles of home practice and hypnotizability on outcome, or the maintenance of treatment benefits beyond 3 months. METHODS: One hundred veterans with CLBP participated in a randomized, four-group design study. The groups were (1) an eight-session self-hypnosis training intervention without audio recordings for home practice; (2) an eight-session self-hypnosis training intervention with recordings; (3) a two-session self-hypnosis training intervention with recordings and brief weekly reminder telephone calls; and (4) an eight-session active (biofeedback) control intervention. RESULTS: Participants in all four groups reported significant pre- to post-treatment improvements in pain intensity, pain interference and sleep quality. The hypnosis groups combined reported significantly more pain intensity reduction than the control group. There was no significant difference among the three hypnosis conditions. Over half of the participants who received hypnosis reported clinically meaningful (≥ 30%) reductions in pain intensity, and they maintained these benefits for at least 6 months after treatment. Neither hypnotizability nor amount of home practice was associated significantly with treatment outcome. CONCLUSIONS: The findings indicate that two sessions of self-hypnosis training with audio recordings for home practice may be as effective as eight sessions of hypnosis treatment. If replicated in other patient samples, the findings have important implications for the application of hypnosis treatment for chronic pain management.

The relation of falls to fatigue, depression and daytime sleepiness in Parkinson's disease.

OBJECTIVE: To characterize non-motor symptoms in individuals with Parkinson's disease (PD) who experience falls compared to those who do not fall. METHODS: Fifty-four individuals with PD were studied. Thirty-six were fallers and 18 were non-fallers. Fatigue was assessed by the Iowa Fatigue Scale. Excessive daytime sleepiness was assessed by the Epworth Sleepiness Scale, and depressive symptomatology was assessed by the short-form Center for Epidemiologic Studies Depression Scale. RESULTS: Compared to non-fallers, fallers had more severe disability, greater general physical fatigue (p = 0.024), lower energy levels (p = 0.042) and less productivity (p = 0.007). Fallers had more depressive symptomatology than the non-fallers (p = 0.01). Excessive daytime sleepiness was not different between the two groups (p = 0.695). CONCLUSIONS: Individuals with PD who fell had more severe motor and non-motor symptoms than those who did not fall. These non-motor symptoms included physical fatigue, energy, productivity and depressive symptomatology.

Effects of levodopa on forward and backward gait patterns in persons with Parkinson's disease.

INTRODUCTION: Backward walking is difficult for persons with Parkinson's disease (PD). It is unknown how levodopa influences backward gait patterns, especially when compared to forward gait patterns. PURPOSE: Investigate the effects of levodopa on forward and backward gait patterns in individuals with PD. DESIGN: A repeated measures design was used. METHODS: The sample consisted of 21 individuals with PD (15 males, 6 females). Their mean age was 70.24 ± 8.69 yr. The average time since diagnosis was 11.81 ± 5.49 years. The median of the Hoehn and Yahr stage while 'ON' medication was 2.57. Gait patterns during forward and backward walking at a self-selected comfortable speed were recorded before and after taking levodopa on the same day. RESULTS: Levodopa significantly increased gait speed and stride length and decreased the percent of the gait cycle (%GC) spent in double support. Gait speed and stride length were greater and the %GC spent in double support was less during forward walking compared with backward walking. Cadence was not changed by levodopa or walking direction. CONCLUSIONS: Levodopa improved gait characteristics during backward walking in a manner similar to that during forward walking in persons with PD.

An investigation of two interventions for micrographia in individuals with Parkinson's disease.

OBJECTIVE: This pilot study was designed to compare a change in micrographia between using grid lines and parallel horizontal lines as visual cues in individuals with Parkinson's disease. DESIGN: Single group pre- and post-test. SETTING: Research lab. PARTICIPANTS: Eleven males with Parkinson's disease. INTERVENTIONS: Practice writing words with parallel and grid lines. The sequence of practising was randomized. MAIN OUTCOME MEASURES: Length of words. RESULTS: The length of the words after practising with parallel lines was longer than in the initial free writing condition (17.83 ± 3.93 cm vs. 23.36 ± 5.82 cm, P =0.008). The length of the words after practising with grid lines was also longer than during free writing (17.83 ± 3.93 cm vs. 22.65 ± 4.04 cm, P =0.003). The length of the words after practising with parallel lines was not different from that after practising with grid lines. CONCLUSION: Improvements in letter size after practising with horizontal parallel lines and grid lines were not different. The addition of vertical lines to form a grid did not appear to improve the writing more than horizontal lines alone in persons with Parkinson's disease who experienced micrographia.

An evaluation of self-administration of auditory cueing to improve gait in people with Parkinson's disease.

OBJECTIVE: To evaluate a self-administration of auditory cueing on gait difficulties in people with Parkinson's disease over a one-week period. DESIGN: Single group pre and post test. SETTING: Research lab, community. PARTICIPANTS: Twenty-one individuals with Parkinson's disease. INTERVENTIONS: Self-application of an auditory pacer set at a rate 25% faster than preferred cadence. MAIN OUTCOME MEASURES: Self-selected gait speed, cadence, stride length, and double support time with and without the pacer at the initial visit and after one week of pacer use. RESULTS: During the initial visit, the auditory pacer improved gait speed (79.57 (18.13) cm/s vs. 94.02 (22.61) cm/s, P<0.0005), cadence (102.88 (11.34) step/min vs. 109.22 (10.23) steps/min, P=0.036) and stride length (94.33 (21.31) cm vs. 103.5 (22.65) cm, P =0.012). After one week, preferred gait speed was faster than the initial preferred speed (79.57 (18.13) vs. 95.20 (22.23) cm/s, P<0.0005). Stride length was significantly increased (94.33 (21.31) vs. 107.67 (20.01) cm, P =0.001). Double support time was decreased from 21.73 (5.23) to 18.94 (3.59)% gait cycle, P =0.016. CONCLUSION: Gait performance in people with Parkinson's disease improved significantly after walking with the auditory pacer for one week.

Dietary and serum lipids in individuals with spinal cord injury living in the community.

A cross-sectional study of 189 community-dwelling persons with spinal cord injury (SCI) (a) assessed levels of dietary and serum lipids, (b) determined the proportion of persons whose levels were out of the recommended/desired range, and (c) identified predictors of dietary and serum lipids. Lipid levels were out of range for a substantial proportion of the sample. Older persons were likely to have higher serum cholesterol and higher triglyceride levels than younger persons. Men tended to have higher intake of dietary cholesterol and lower levels of HDL than women. Caucasians and Hispanic-Americans tended to have higher triglycerides than African-Americans. Persons who had lived with SCI less time tended to have higher saturated fat intake and higher triglycerides than those who had lived with it longer. Greater saturated fat intake was associated with higher serum cholesterol after controlling for age. Studies are needed that test the effectiveness of various interventions on controlling dietary and serum lipids for persons with SCI.

Evaluation and promotion of the clinician-educator: the faculty viewpoint.

Changes in healthcare management and reimbursement have contributed to alterations in the traditional culture of academic medical centers and the roles and responsibilities of their physician faculty, including clinician-educators. Questions concerning the appropriate evaluation methodology and criteria for promotion of such clinical faculty have been raised. In our survey of a large university-based physical medicine and rehabilitation department, only minimal differences were related to age, gender, and academic rank, and these are discussed.

The relation of shoulder pain and range-of-motion problems to functional limitations, disability, and perceived health of men with spinal cord injury: a multifaceted longitudinal study.

OBJECTIVES: To determine if shoulder pain and range-of-motion (ROM) problems can be predicted by demographic, injury-related, body weight, and radiographic data over 3 years and to determine the relationships among these shoulder problems and functional limitations, disability, and perceived health. DESIGN: A longitudinal, 2-panel study in which data were collected at 2 points in time, 3 years apart. SETTING: The community. PARTICIPANTS: Eighty-nine adult men with traumatic spinal cord injury (SCI) in the Houston-Galveston, TX, area. MAIN OUTCOME MEASURES: The acromioclavicular (AC) and the glenohumeral (GH) joints were x-rayed on plain film in standard anteroposterior position. Functional limitations were determined with the FIM instrument; disability was measured with the Craig Handicap Assessment and Reporting Technique (CHART). RESULTS: Thirty percent had shoulder pain and 22% had shoulder ROM problems. Men with shoulder pain had lived longer with SCI, were more likely to report shoulder ROM problems, had lower CHART mobility scores, and were more likely to rate their health as fair than those without shoulder pain. Shoulder ROM problems were more common among men who were older, had AC joint narrowing, had lower FIM scores, and reported poorer health. CONCLUSION: Shoulder pain and ROM problems were relatively prevalent. Demographic, injury-related, and radiographic variables were identified that were predictive of these problems over a period of at least 3 years. The shoulder problems were related to functional limitations, disability, and perceived health.

Pressure ulcer risk in spinal cord injury: predictors of ulcer status over 3 years.

OBJECTIVE: To identify predictors of pressure ulcers in men with spinal cord injury over a 3-year period. DESIGN: Longitudinal, two-panel, cohort. SETTING: Community. PARTICIPANTS: One hundred eighteen men with spinal cord injury. MEASURES: Interviews, questionnaires, and physical examinations were completed in two phases, 3 years apart. Information obtained included demographic and spinal cord injury characteristics; ulcer history; health beliefs and practices; measures of impairment, disability, and handicap; and skin integrity. RESULTS: Thirty-one percent of the participants reported having a pressure ulcer in the 12 months before Phase 2. Some Phase 1 predictors of self-reported ulcers in the year before Phase 2 were a younger age at onset of spinal cord injury, previous pressure ulcer surgery, and the presence of a pressure ulcer in the year before Phase 1. On examination at Phase 2, 59% presented with an ulcer. Phase 1 predictors of ulcer presence at Phase 2 examination were similar to predictors for self-reported ulcers. CONCLUSION: Individuals with the identified predictive characteristics are at greater risk for developing pressure ulcers. These individuals should receive additional interventions to reduce that risk. Potential interventions include more systematic and frequent follow-up, frequent review of pressure ulcer prevention and management strategies, and provision of needed personal assistance and relevant equipment.

Comparison of parenting styles of persons with and without spinal cord injury and their children's social competence and behavior problems.

OBJECTIVE: This study compared the parenting styles of 62 individuals with spinal cord injury (SCI) and 62 individuals without disabilities and the behavior of their children aged 6 through 13 years. METHODS: The relationship between parenting style and children's behavior was assessed. Pairs were matched by gender of parent and age and gender of child. The Parenting Dimensions Inventory and the Child Behavior Checklist were administered via telephone. RESULTS: After controlling for income, the 2 groups did not differ in the parenting factors of warmth/structure and strictness. Their children did not differ in social competence or behavior problems. CONCLUSION: Regardless of disability status, warmth and structure were found to be the aspects of parenting that were related to children's outcomes.

Continuing medical education: interests of former and current residents of a physical medicine and rehabilitation residency program.

To plan targeted, relevant continuing medical educational activities, a study was undertaken to assess demographic data, practice patterns, and current continuing medical educational needs of former graduates of the physical medicine and rehabilitation program. A survey was sent to the 168 physicians who had completed a physical medicine and rehabilitation residency program from 1961 to 1995 and to the 34 then current residents in the program. Questions were asked regarding gender, year of completion of residency, certification, fellowships, current employment situation, size of practice community, work time distribution, and busiest areas of clinical practice. In addition, from a list of 47 topics plus "other," the respondents indicated in which topics they had a current strong interest in continuing their education. They also responded to questions about their most important considerations when deliberating about attending an educational activity, the amount of notice required regarding an upcoming course, and the preferred duration of educational activities. The response rate of former residents was 56% and of then current residents was 100%. Topics of interest to greater than half of the respondents, in descending order, were musculoskeletal/soft tissue disorders, therapeutic injections/nerve blocks, industrial medicine, back and neck pain rehabilitation, and sports-related disorders. There were significant differences on some topics based on gender, year of residency completion, academic affiliation, private practice, and ratings of residency training in that topic. The most important consideration when deciding whether to attend an educational activity was, by far, interest in topic, followed by provision of continuing medical educational credits. There are among physiatrists several differences in educational interests that challenge continuing medical education planners to determine efficient, effective ways to deliver continuing medical education to meet these needs within the financial and time constraints imposed by today's clinical practice.

Identifying and overcoming barriers to providing sexuality information in the clinical setting.

While the scope of the clinician-patient relationship in rehabilitation includes the opportunity to provide information on sexuality, all too often this does not occur. This article identifies barriers to providing information on sexuality and makes suggestions for overcoming them. At a preconference workshop, "Sexuality After Spinal Cord Injury: Understanding the Effects of Knowledge and Attitude on Dissemination Practices," held during the Association of Rehabilitation Nurses 22nd Annual Educational Conference, participants explored barriers to providing sexuality information to their patients and ways for nurse managers and staff members to ameliorate their own discomfort and that of their patients. The barriers identified included lack of time, lack of knowledge, personal attitudes about sexuality, and patient lack of readiness. Approaches that can improve the comfort levels of nurse managers and staff include using educational films and written materials, conducting role playing to explore typical patient questions, and initiating conversation about sexuality with patients. Participants' suggestions for increasing patient comfort level included adopting an open and nonjudgmental listening mode, distinguishing between the physical and emotional aspects of sexual issues, and promoting peer counseling.

Chronic pain in a community-based sample of men with spinal cord injury: prevalence, severity, and relationship with impairment, disability, handicap, and subjective well-being.

OBJECTIVE: To assess the prevalence, severity, and correlates of chronic pain in a community-based sample of men with spinal cord injury (SCI). DESIGN: Survey. SETTING: Community. PARTICIPANTS: Seventy-seven men with SCI randomly selected from a sampling frame solicited from the community. METHOD: Participants completed standardized questionnaires assessing many areas of life, were interviewed in their homes, and underwent a physical examination at a hospital. There they were interviewed by an anesthesiologist regarding chronic pain, and a nurse administered objective pain measures. RESULTS: Seventy-five percent of the men reported chronic pain. Chronic pain was associated with more depressive symptoms, more perceived stress, and poorer self-assessed health. Greater intensity of pain was related to less paralytic impairment, violent etiology, and more perceived stress. Area of the body affected by pain was related to independence and mobility. CONCLUSIONS: Because of the high prevalence of chronic pain in the population with SCI and its relation to disability, handicap, and quality of life, health care providers need to give this issue the same priority given to other SCI health issues. Analysis of individual pain components provides better information than assessing overall pain. It is futile to treat SCI pain without giving full attention to subjective factors.

Prevalence of abuse of women with physical disabilities.

OBJECTIVE: Emotional, physical, and sexual abuse of women with physical disabilities is a problem largely unrecognized by rehabilitation service providers. This article documents the prevalence of abuse of women with physical disabilities compared to women without physical disabilities. DESIGN: Case-comparison study using written survey. Data were analyzed using chi 2 analyses and the Mann-Whitney U Wilcoxon rank sum W tests. SETTING: General community. PARTICIPANTS: A sample of 860 women, 439 with physical disabilities and 421 without physical disabilities, was compiled from women responding to a national sexuality survey. MAIN OUTCOME MEASURES: The women were asked if they had ever experienced emotional, physical, or sexual abuse. If they answered yes, they were asked to identify the perpetrator(s) of the abuse and when the abuse began and ended. RESULTS: Sixty-two percent of both groups of women had experienced some type of abuse at some point in their lives. Of women who had experienced abuse, half of each group had experienced physical or sexual abuse. Husbands or live-in partners were the most common perpetrators of emotional or physical abuse for both groups. Male strangers were the most common perpetrators of sexual abuse for both groups. Women with physical disabilities also were more likely to be abused by their attendants and by health care providers. Thirteen percent of women with physical disabilities described experiencing physical or sexual abuse in the past year. CONCLUSIONS: Women with physical disabilities appear to be at risk for emotional, physical, and sexual abuse to the same extent as women without physical disabilities. Prevalence of abuse by husbands or live-in partners in this study is similar to estimates of lifetime occurrence of domestic violence for women living in the United States. Women with physical disabilities are more at risk for abuse by attendants or health care providers. They are also more likely to experience a longer duration of abuse than women without physical disabilities.

Reported pressure ulcer prevention and management techniques by persons with spinal cord injury.

OBJECTIVE: The purpose of this study was to identify factors that resulted in severe pressure ulcers in a community-based sample of 23 persons with spinal cord injury (SCI). DESIGN: A correlational design was used. SUBJECTS: Twenty men and three women, 57% with tetraplegia and 43% with paraplegia, participated. Adult participants with an ulcer of 12 weeks' duration or less were recruited from the plastic surgery clinic of a regional SCI center. MEASURES: A structured survey assessed demographic, SCI and ulcer characteristics; detection method; immediacy and appropriateness of action; time from detection to clinic visit; number of prior ulcers; and knowledge and practice of ulcer prevention techniques. Ulcer characteristics (ie, location, size, and stage) were assessed by examination and compared with participants' descriptions of their ulcers. RESULTS: Severe ulcers and ulcers that progressed in severity after initial detection were less accurately described by participants. Individuals who waited longer to come to the clinic presented with more severe ulcers. Taking immediate or appropriate action when an ulcer was detected was related to reported performance of more preventive behaviors. Contrary to expectation, immediacy and appropriateness of action, and knowledge and practice of preventive behaviors were unrelated to severity, progression of severity, and time from detection to the clinic visit. The findings suggest that educational programs should emphasize more strongly immediate visits to a physician upon detection of an ulcer. Furthermore, such educational models should be assessed for their effectiveness in reducing ulcers and preventing progression in severity once persons with SCI return to the community.

Family relationships and adaptation to spinal cord injury: a qualitative study.

To study adaptive processes following spinal cord injury, unstructured audiotaped interviews were conducted on an almost daily basis with a 30-year-old divorced male during the first 3 months of his initial comprehensive inpatient rehabilitation. Analysis of the transcribed tapes identified a number of important themes, including the theme of social relationships, recurring throughout the data. Family relationships are the focus of this article. The role of the rehabilitation nurse in promoting family involvement in the rehabilitation process is discussed.

Educational interests of individuals with spinal cord injury living in the community: medical, sexuality, and wellness topics.

As a component of Baylor College of Medicine study of the life status of people with spinal cord injury (SCI), this study determined the educational topics of interest to a cohort of 590 adults with SCI living in the community. Thirty-five items in nine topic areas were included in the inventory. Three topic areas--medical, sexuality, and wellness--are discussed in this article. Across the three topic areas, the five topics of greatest interest were exercise programs, testing of nerve and muscle function, bladder or kidney problems, pain, and sexuality issues. Information about smoking cessation and alcohol or drug abuse was of interest to very few participants. Ten grouping variables were analyzed and individual differences, such as educational level and whether an individual had paraplegia or quadriplegia, were found to account for differences in the topics of interest. The results of this study can be used in setting priorities for the development of educational activities and learning experiences for individuals with SCI living in the community.

Sexual functioning among women with physical disabilities.

OBJECTIVE: Three a priori hypotheses were tested: (1) There are significant differences in sociosexual behaviors of women with physical disabilities compared with women without disabilities; (2) the sexual functioning of women with disabilities is significantly related to age at onset of disability; (3) psychological factors explain more of the variance in the sexual functioning of women with physical disabilities than do disability, social and environmental factors. DESIGN: Case-comparison study using written survey. SETTING: General community. PARTICIPANTS: The questionnaire was mailed to 1,150 women with physical disabilities who were recruited as volunteers or through independent living centers. Each woman gave a second copy of the questionnaire to an able-bodied female friend, which comprised the comparison group. The response rate was 45%, with 475 cases and 425 comparisons eligible to participate. The most common disability type was spinal cord injury (24%), followed by polio (18%), muscular dystrophy (11%), cerebral palsy (11%), multiple sclerosis (10%), joint disorders (7%), and skeletal abnormalities (5%). INTERVENTIONS: None. MAIN OUTCOME MEASURES: Sexual-functioning, consisting of four factors: (1) sexual desire, (2) sexual activity, (3) sexual response, (4) sexual satisfaction. RESULTS: Highly significant differences were found in level of sexual activity (p = .000001), response (p = .000009), and satisfaction (p=.000001) between women with and without disabilities. No significant differences were found between groups on sexual desire. Severity of disability was not significantly related to level of sexual activity. CONCLUSIONS: Psychological and social factors exert a strong impact on the sexual functioning of women with physical disabilities. Further investigations is needed of the effect of social environment on development of self-esteem and sexual self-image, and how these influences affect levels of sexual functioning in women with physical disabilities.