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Biomedical subjects

J A DeLisa

Publications and source records attributed to J A DeLisa.

At least 91 records · Page 5Linked to original sources
PubMed1978

Cancer rehabilitation: assessment of need, development, and evaluation of a model of care.

A sample of 805 cancer patients, comparable to but not identical with a national study, was screened to identify: rehabilitation problems encountered at different cancer sites; the need for rehabilitation services; and gaps in the delivery of rehabilitation care. Significant numbers of rehabilitation problems were found that could be improved by rehabilitation care. Psychologic problems were commonly encountered and seemed more severe in patients with physical disabilities; these patients have to make adjustments to both life-threatening disease and to a disabling condition. The findings suggest a need for psychosocial support services on any oncology service; where cancer is associated with significant physical disability, a comprehensive rehabilitation team with psychologic management capability is often needed. Primary barriers to optimal delivery of rehabilitation care are the lack of identification of patient problems and/or lack of appropriate referral by physicians unfamiliar with the concept of rehabilitation. Health care financial support for the patients in the sample came primarily from private insurance, Medicare and Medicaid; financial support from the patient's family held up well even in the advanced stages of the disease. A model of rehabilitation care delivery was established and implemented, with the result being that gaps and barriers to rehabilitation service delivery disappeared rapidly.

Activities of Daily Living↗
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The tarsal tunnel syndrome.

Tarsal tunnel syndrome is relatively rare and the diagnosis may be difficult even though the etiologies for the syndrome are multiple. The symptoms are often vague but are usually burning pain and paresthesias in the toes and soles of the feet with nocturnal exacerbations. The physical examination may elicit a sensory deficit over the cutaneous distribution of the median and/or lateral plantar nerve. There may also be tenderness over the flexor retinaculum. Electrodiagnosis, especially with the addition of the orthodromic compound nerve action potential latency technique, is essential to confirm the diagnosis. The findings may be confined to the distribution of either the medial or lateral plantar nerves and, thus, both distal latencies must be determined. Surgical decompression of the tarsal tunnel has usually proven to be helpful in those patients who do not respond to conservative treatment.

Electrodiagnosis↗
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Methods used in the evaluation of clinical competency of physical medicine and rehabilitation residents.

A 17-item questionnaire was designed to determine how physical medicine and rehabilitation (PM&R) training directors assess their residents' clinical competency. A response rate of 83% (62/75) was obtained. Seventy-nine percent (49/62) have a written resident supervision policy, and 73% (45/62) have a written resident probation policy. Ninety-four percent (58/62) believe that their system of evaluating residents' clinical competency is effective, although many commented that it could be improved. 76% (47/62) of the residency training directors made the final decision regarding residents' clinical competency. Fifty-two percent (32/62) have a departmental written examination, and 23% (14/62) have formal oral examinations. Eighteen percent (11/62) use an objective structured clinical examination (OSCE), 8% (5/62) use standardized patients and 3% (2/62) use videotaped patient encounters. Forty percent (25/62) use medical record audits. Fifty percent of the programs have rated at least one resident unsatisfactory during a clinical rotation in the past 3 yr, and 11% (7/62) have reported to the American Board of Physical Medicine and Rehabilitation that the overall clinical evaluation of one resident was unsatisfactory in the past 3 yr. Forty-seven percent (29/62) of the programs have asked at least one resident to leave their program in the past 3 yr. The OSCE is emerging as the state-of-the-art method for assessing clinical skills, although it is expensive. The measurement of clinical competency is important in the certification and recertification process, and our specialty needs better methods to assess these performance skills.

Clinical Competence↗
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Alteration of immune system function in tetraplegics. A pilot study.

Over the past 20 yr, evidence has accumulated that implicates the autonomic nervous system as a central modulator of immune function. We hypothesized that injury to the cervical spinal cord would affect immune function by dysregulation of the sympathetic outflow tract. To test this hypothesis, peripheral blood lymphocytes were obtained from five individuals with complete cervical spinal cord injury (SCI) and from five age- and sex-matched neurologically intact controls. Immunologic parameters studied included cell counts by flow cytometry, lymphocyte proliferation response to three mitogens and a natural killer cell cytotoxicity assay. In addition the Ilfeld Psychiatric Symptom Index was completed by all subjects and controls. Repeated measures analysis of variance revealed an impaired lymphocyte proliferation response in the SCI group. Our results suggest that individuals who have sustained complete cervical SCI have alteration in immune function as compared with neurologically intact controls. This may contribute to infections after spinal cord injury. The mechanism may involve dysregulation of the sympathetic arm of the autonomic nervous system.

Adult↗
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Physiatry as a primary care specialty.

The ongoing changes in health care seek to create an affordable, accessible, and high-quality health care delivery system for all Americans. In response to this, Physical Medicine and Rehabilitation (PM&R) is re-examining its role in the provision of health care to the disabled, particularly the severely affected. We surveyed 100 physiatrists and 100 PM&R residents across the country regarding their opinions on the competence, qualifications, and desire of physiatrists to provide primary care for the disabled. Fifty-five physiatrists and 51 residents responded (55% overall). Thirty-nine percent of all respondents agreed that PM&R should be designated as a primary care specialty, and 53% believed that physiatrists should provide primary care to the severely disabled (e.g., spinal cord and head injury). Overall, 53% felt that physiatrists are competent in general medical care, but 38% are convinced that the current 4-yr PM&R residency training sufficiently prepares physiatrists to assume the role of a primary care provider. Of the patient populations considered, the respondents thought that physiatrists should manage the care of spinal cord injury (60%) and head injury (51%), but only 40% were willing to assume primary care responsibilities.

Health Care Reform↗
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Factors influencing the specialty choice of the physical medicine and rehabilitation graduating class of 1994 and the entering class of 1995.

To understand better how career choices are made by physiatrists, a 16-item, 7-page questionnaire was sent to all 1994 graduating physical medicine and rehabilitation (PM&R) resident physicians in the United States. Of the 343 senior residents, 202 completed the questionnaire for a response rate of 59%. The questionnaire focused on the following areas: timing of the decision to enter PM&R; and how the medical school curriculum, certain groups of people, and certain specific factors influenced their choices. There were 130 factors modeled after the American Association of Medical Colleges (AAMC) annual medical student questionnaire that the recipients were asked to grade on a numerical scale: 1 = unimportant to 5 = very important. Of the graduating residents, 60.1% (119/198) made the decision to enter PM&R in their 3rd or 4th yr of medical school, 13.1% (26/198) in the first 2 yr, and 11.1% (22/198) after starting another residency. The five factors ranked most important in the decision were (mean rank score): sufficient time/flexibility for family obligations (4.60); opportunity to make a difference in peoples lives (4.57); interest in helping people (4.55); types of patient problems encountered (4.50); and consistency with personality (4.49). We also obtained the AAMC's 1993 annual data on medical students choosing PM&R. Their top five factors were the same as those listed by the graduating residents, but in a slightly different rank order. Profiles have also been derived on those graduating PM&R residents who chose an academic career (n = 68) v nonacademic (n = 133) and fellowship (n = 34) v nonfellowship (n = 163).

Career Choice↗
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Medial femoral cutaneous nerve conduction.

Medial femoral cutaneous nerve (MFCN), a sensory branch of the femoral nerve, supplies the skin on the anterior medial aspect of the thigh and knee. A conduction study for this nerve is described. A recording electrode was placed anterior-medially in the thigh and 14 cm distal to the stimulating cathode that was placed immediately lateral to the femoral artery just below the inguinal ligament. Sixty-four nerves of 32 adults with a mean age of 40 yr (range, 21-56) were tested. The latencies to the onset and peak were 2.4 +/- 0.2 and 2.9 +/- 0.2 ms, respectively. The amplitude of baseline to negative peak was 4.9 +/- 1.0 microV. The conduction velocity calculated by the distance divided by the onset latency was 60 +/- 5 m/s. We conclude that the MFCN is accessible for electrophysiologic evaluation, which may help in diagnosing the MFCN or femoral neuropathy.

Adult↗
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Practice and career satisfaction among physiatrists. A national survey.

To evaluate physiatrist career satisfaction and current practice patterns, a 15-page survey was mailed randomly to 400 fellow members of the American Academy of Physical Medicine and Rehabilitation. The 208 questionnaires (52%) returned revealed respondents' level of satisfaction with career choice, current practice, relationships with other physicians, their own residency training, and problems experienced that impede their practice. Factor analysis identified six areas of satisfaction: time demands, organizational support, current practice, current specialty, profession, and training. Problems with work consisted of four factors: external intrusions into practice, having to deal with non-rehabilitation problems, dealing with PM&R problems, and insufficient time for patients. Results showed that 75% of physiatrists were satisfied with their practice/profession. Satisfaction with current practice was greater with fewer external intrusions into practice, a larger percentage of income from traditional non-managed payment sources (including Medicaid), and less competition. Changes in health care, such as managed care, competition, and increased external regulations, appear to interfere with current practice. Variation in satisfaction was not significantly correlated with size of community, variation in rates of payment denials, workloads of greater than 50 hours per week, and a number of other factors that one might expect to affect satisfaction. Physiatrists had made many changes in their practice in response to the changes in the health care environment but had not cut care for indigent patients. Needs for greater residency training in outpatient clinics, physicians' offices, managed care, and long-term care settings were expressed. This is the first comprehensive published report on physiatric satisfaction in a changing health care environment. Further research in some of the areas will be required.

Adult↗
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Development of an objective structured clinical examination (OSCE) for physical medicine and rehabilitation residents.

Clinical competency is poorly measured by knowledge-based written examinations. A five-station, four-interstation objective structured clinical examination (OSCE) has been developed in consultation with the National Board of Medical Examiners as a pilot study to standardize assessment methods that serve to evaluate the clinical competency of senior physical medicine and rehabilitation residents. Various stations demonstrating musculoskeletal and neurologic conditions commonly encountered in physiatric practice were included, incorporating the use of standardized patients into the OSCE format. This is a descriptive study of individual stations-evaluated history-taking, physical examination, and communication skills, whereas the interstations measured the residents' ability to write therapy and prosthetic/orthotic prescriptions, as well as interpret x-ray and electrodiagnostic data. The OSCE program development including case background, principal tasks, time allotment, evaluation objectives, performance criteria, therapeutic plan, standardized patients case descriptions, and assessment checklists as well as the training procedure is discussed. Additionally, cost analysis and scheduling issues are reviewed. This information should aid other training programs or consortiums in developing similar clinical evaluation tools.

Clinical Competence↗
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Peroneal nerve motor conduction to the proximal muscles. An alternative approach to conventional methods.

By using a fixed 8-cm distance between the stimulating and recording electrodes, we describe a new approach to peroneal nerve motor conduction studies to the proximal muscles. The recording active electrodes were fastened over the tibialis anterior and peroneus longus, while the stimulating cathode was placed at the posterolateral border of the fibular neck. The skin temperature was maintained at or above 32 degrees C in the lateral surface of the proximal shin. In normal subjects, 81 deep and superficial peroneal nerves were tested to establish reference values. The latencies to the tibialis anterior and peroneus longus were 2.5 +/- 0.3 (range, 2-3) ms and 2.6 +/- 0.2 (range, 1.9-3) ms, respectively. The amplitudes of compound muscle action potential for deep and superficial peroneal nerves were 6.2 +/- 1.3 (range, 3.6-9.3) and 6.2 +/- 1.7 (range, 3.4-10.6) mV, respectively. Also, 17 adult onset diabetic patients were tested for comparison. We concluded that this alternative test to the conventional methods is accessible for electrophysiologic evaluation of peroneal neuropathy.

Action Potentials↗
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Chronic fatigue syndrome: a literature review from a physiatric perspective.

To examine the literature on chronic fatigue syndrome (CFS), especially as it relates to cognitive deficits and exercise, more than 200 articles related to CFS were selected from computer-based research as well as pertinent articles noted in the references of individual articles. All were relevant articles on CFS, although articles in a foreign language were excluded. CFS is a controversial diagnosis of exclusion, but certain subgroups do appear to exist. It may represent multiple diseases or multiple stages of the same disease. Although cognitive deficits are commonly reported, the measured impairments are relatively subtle and are in the area of complex information processing speed, or efficiency. Magnetic resonance imaging, single-photon emission computer tomography, and neuroendocrine studies present preliminary evidence suggestive of the cerebral involvement primarily in the white matter. The weakness and fatigue may be the result of alterations in the central nervous system, not in the peripheral muscles. However, it is hard to separate the documented weakness and endurance deficits from deconditioning. Autonomic symptoms such as orthostatic intolerance and a predisposition to neurally mediated syncope may be explained by cardiovascular deconditioning, a postviral idiopathic autonomic neuropathy, or both. The review points out the need for more carefully designed studies of CFS that focus on the relationship between neuropathology, psychopathology and neuropsychologic functioning. The role of exercise as a stimulus for exacerbation or in treatment needs to be further studied using clear diagnostic criteria as well as control groups that carefully match the activity level.

Activities of Daily Living↗