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Occupational therapy treatment of the patient with thermally injured upper extremity.

Severe upper extremity burns may mean an indefinite interruption in the style of life to which an individual is accustomed, and the occupational therapist can help the thermally injured patient to regain purposeful activity. Even a simple temporary prosthesis for the amputee, enabling him to write (Fig. 12-17), permits meaningful activity that can reduce boredom, dependence, preoccupation with death, and depression. A vigorous progressive physical and occupational therapy program producing tangible results does more for the patient's morale than any verbal encouragement could possibly do. Finally, the therapist can be more than the "mechanic" of the burn team. In his daily contact with the patient, he can be a "good listener" to whom the patient can verbalize his hostility, anger, resentment, and fear. When appropriate, he may convey this information to the physician, who can help the patient gain insight into some of the problems manifested by his behavior.

Arm Injuries↗

Management of upper extremity ischemia.

Upper extremity ischemia is insidious in onset and debilitating. It accounts for 1 to 4 percent of all peripheral vascular procedures. Once the site of the symptomatic lesion is determined, an extrathoracic extra-anatomic bypass often can provide long-lasting relief.

Aged↗

[Effects of upper extremity exercise training using biofeedback and constraint-induced movement on the upper extremity function of hemiplegic patients].

PURPOSE: The purpose of this study was to investigate the effects of exercise training using biofeedback and constraint-induced movement on the upper extremity function of hemiplegic patients. METHOD: A non-equivalent pretest-posttest design was used. Study subjects were a conveniently selected group of 40 hemiplegic patients(20 experimental subjects, 20 control subjects) who have been enrolled in two community health centers. After biofeedback training the subjects of experimental group were given constraint-induced movement, involving restraint of unaffected U/E in a sling for about 6 hours in a day over a period of two weeks, while at the same time intensively training the affected U/E. Outcomes were evaluated on the basis of the U/E motor ability(hand function, grip power, pinch power, U/E ROMs), and motor activity(amount, quality). RESULT: 1. After 2 weeks of treatment, the motor abilities of affected U/E(hand function, grip power, pinch power, ROMs of wrist flexion, elbow flexion and shoulder flexion/extension) were significantly higher in subjects who participated in exercise training than in subjects in the control group with no decrement at 4-week follow-up. However, there was no significant difference in wrist extension between experimental or control group. 2. After 2 weeks of treatment, the amount of use and the quality of motor activity of affected U/E were significantly higher in subjects who participated in exercise training than in subjects in the control group with no decrement at 4-week follow-up. CONCLUSION: The above results state that exercise training using biofeedback and constraint-induced movement could be an effective intervention for improving U/E function of chronic hemiplegic patients. Long-term studies are needed to determine the lasting effects of constraint-induced movement.

English Abstract↗

Age-related differences in measures of upper extremity impairment.

BACKGROUND: Upper extremity cumulative trauma disorders (CTDs) are among the most prevalent and costly occupational injuries. These disorders include nerve compression syndromes, tenosynovitis, epicondylitis, tendinitis, and arthritis. These have been related in the past to repetitive use of the upper extremity. The expected increase in the age of the American work force and the assumption that older workers are more susceptible to the disorders prompted this investigation of the relationship of age to signs and symptoms of upper extremity impairment. METHODS: A battery measuring seven objective signs and four reported symptoms of upper extremity cumulative trauma disorders was administered to two stratified random samples of workers. One group (n = 157) processed cooked poultry and the second group (n = 118) performed data entry at VDT terminals. Workers were separated into three age groups (younger: 20-35 years, middle-aged: 36-50 years, and older: 51-71 years). RESULTS: A series of analyses of variance were computed to determine whether the older workers were more impaired. No significant age differences were found for sign, symptom, or total scores in either sample, and no significant Age x Gender interaction was present. Older workers were more impaired for vibratory sensation, cutaneous pressure, and motor latency. CONCLUSIONS: The results support the hiring of older workers for general tasks in the workplace without significant worry of increased susceptibility to CTDs.

Adolescent↗

Two-level disc herniation in the cervical and thoracic spine presenting with spastic paresis in the lower extremities without clinical symptoms or signs in the upper extremities.

BACKGROUND CONTEXT: There is no report in the literature of two-level disc herniation in the cervical and thoracic spine presenting with spastic paresis/paralysis exclusively in the bilateral lower extremities. PURPOSE: To identify the clinical characteristics of specific myelopathy resulting from C6-C7 disc herniation through a case with spastic paresis in the lower extremities without upper extremities symptoms due to separate disc herniation in the cervical and thoracic spine, which was surgically removed in two stages. STUDY DESIGN/SETTING: A case report. METHODS: A 48-year-old man developed a gait disturbance as well as weakness and numbness in the lower extremities. Thoracic magnetic resonance imaging (MRI) showed a T11-T12 disc herniation, which was removed under the surgical microscope through a minimally invasive posterior approach. He improved, but 2 months after surgery developed recurrent numbness and spasticity. On this occasion, no evidence of recurrence of the thoracic disc herniation could be identified, but cervical MRI demonstrated a compressed spinal cord at the C6-C7 level. The patient had no neurological findings in the upper extremities. The herniated disc at C6-C7 was removed under the surgical microscope with laminoplasty. RESULTS: The symptoms gradually improved after surgery. At the present time, 2 years and 9 months after the initial operation, the patient had a stable gait and was able to work. CONCLUSIONS: Our experience suggests that in the diagnosis of patients with spastic paresis and sensory disturbances in the lower extremities, spinal cord compression should be explored by imaging studies not only in the thoracic spine but also in the cervical spine, especially at the C6-C7 level, even if the symptoms and abnormal neurological findings are absent in the upper extremities.

Arm↗

Upper extremity deep vein thrombosis.

Upper extremity deep-vein thrombosis has recently been recognized as being a more common and less benign disease than previously reported. It arises generally in the presence of recognizable risk factors, such as central venous catheters and cancer. However, as many as 20% of patients present with apparently spontaneous episodes. The prevalence of inherited coagulation defects in patients with this disease ranges from 10% to 26%. The clinical picture of upper extremity DVT is characterized by pain, edema, and functional impairment, although it may be completely asymptomatic. Because the prevalence of this thrombotic disease is less than 50% among symptomatic subjects, objective diagnosis is mandatory prior to instituting an anticoagulant treatment. When available, compression ultrasonography (alone or associated with Doppler or color Doppler facilities) should be the preferred initial diagnostic test. However, contrast venography may be necessary before anticoagulants are withheld because of negative findings on compression ultrasonography. Pulmonary embolism complicates upper extremity deep-vein thrombosis in up to 36% of patients and may even be the presenting manifestation of this disorder. Its long-term clinical course is complicated by recurrent thromboembolism and post-thrombotic sequelae. Among the therapeutic options advocated for the therapy of upper extremity deep-vein thrombosis, unfractionated or low molecular weight heparin followed by at least 3 months of oral anticoagulants should be regarded as the treatment of choice. Thrombolysis and surgical procedures may be indicated in selected cases. The prevention of this disease requires the institution of appropriate pharmacologic measures (i.e., low-dose unfractionated or low molecular weight heparin or low-dose warfarin) whenever an indwelling central venous catheter is indicated. This review suggests that upper extremity deep-vein thrombosis is at least as serious a disease entity as deep-vein thrombosis of the lower extremities.

Acute Disease↗

Methodological limitations in the study of video display terminal use and upper extremity musculoskeletal disorders.

Upper extremity musculoskeletal disorders may occur as a result of work with keyboard-equipped video display terminals. Many studies of the associations between keyboard use and upper extremity disorders have appeared in both the human factors and occupational epidemiologic literature. Methodological limitations and inconsistent results have limited conclusions that can be made from these studies, however. Although exposure conditions can be carefully controlled, human factors studies are limited by relatively small sample sizes, short exposure durations, and reliance on outcome measures with unknown relevance to chronic adverse health effects. Epidemiologic studies have been limited by poor ascertainment of both exposure and health outcome. Many have failed to control for any potential confounding. An almost exclusive reliance on cross-sectional study designs has resulted in possible bias from selective survival, exposure-effect reversal, and poor estimates of exposures occurring prior to development of the disorder. Given the inconsistency in the literature and the growing controversy surrounding this issue, prospective study of this question using objective methods for assessment of exposure and health outcome is recommended. This design allows identification of incident cases and minimizes bias from selective survival. In addition, ergonomic and psychosocial variables prior to onset of symptoms can be ascertained periodically. Given estimates for up to 100 million video display terminals to be in use in the United States by the year 2000, clarification of the health effects of their use is critical.

Arm Injuries↗

Significance of cold intolerance in upper extremity disorders.

After upper extremity injury, pain on exposure to cold (cold sensitivity) is a significant problem. This cross-sectional observational study (1) assesses the incidence and prevalence of cold intolerance, (2) evaluates the relationship between functional status and degree of cold intolerance, and (3) correlates health-related quality of life (HRQL) with symptoms of cold intolerance. Patients in a tertiary care center completed questionnaires to document (1) cold sensitivity, (2) upper extremity pain, symptoms, and function, and (3) HRQL. Cold sensitivity was found to be associated with more functional limitations, greater pain, and reduced HRQL. As the severity of cold intolerance increased, functional limitations and pain increased and HRQL decreased. Cold intolerance has a profound effect on HRQL.

Activities of Daily Living↗

The utility of both muscle and fascia flaps in severe upper extremity trauma.

BACKGROUND: Severe isolated upper extremity injuries are rarely lethal; however, they invariably are resource intensive, create significant disability, and promote resistance to a return to gainful employment. Appropriate soft tissue restoration is an essential component of any treatment protocol, and often requires a vascularized flap to protect the superficial neurovascular and musculotendinous structures. A basic schema to facilitate flap selection in the upper extremity is introduced. METHODS: The role of local muscle and fascia flaps or free tissue transfers for severe upper extremity injuries was retrospectively reviewed from a two-decade experience. Excluding digital injuries, primary treatment of soft tissue traumatic wounds requiring some form of vascularized flap occurred in 33 limbs in 31 patients. The choice of flap donor site, type, specific complications and benefits as related to the severity of injury, and the effect of timing of wound closure were compared. RESULTS: Initial coverage after significant upper extremity trauma in these 33 limbs required 16 local fascia flaps, 22 free flaps, 1 multistaged distant pedicled flap, and 1 local muscle flap. Flaps were selected in a nonrandom fashion on the basis of wound location, severity of injury, and flap availability. Complication rates were similar for local fascia and free flaps. The upper extremity could be divided into three regions that were differentiated according to the observed incidence of flap preference. Free flaps were more commonly used for hand and wrist wounds, or anywhere the defect was moderately large in size or extremely severe in overall injury. Local fascia flaps were a simpler option most applicable for the central upper limb. Local muscles as flaps were intentionally avoided to minimize any functional derangement. CONCLUSION: A schema to guide flap selection for upper extremity coverage is introduced that is predicated on using the best available option. The shoulder girdle and axilla are reached by many local trunk muscle or fascia flaps. The central upper limb about the elbow often is conducive to coverage with specific local fascia flaps. The distal upper extremity may be best served by a free flap, as would any large wound in all upper limb regions.

Activities of Daily Living↗

Arterial reconstruction in the upper extremities.

Arterial reconstruction in the upper extremities is rare relative to the incidence of reconstruction in the lower extremities. Twenty-three patients who underwent vascular reconstruction in the upper extremities from 1985 to 2000 were retrospectively reviewed. Atherosclerosis was observed in only two subclavian arteries. The most common cause of occlusion was thromboembolism from the heart, which occurred often in the brachial artery and could be treated successfully with thrombectomy. Seven of eight bypass grafts, including three procedures below the elbow, remained patent during follow-up periods ranging from 2 to 9 years. Arterial reconstruction of the upper extremities differs from that in the lower extremities. Atherosclerosis is a rare cause of ischemia, and the etiology varies with the site of obstruction. Bypass surgery below the elbow is feasible and successful in selected patients. Ischemia of the upper extremity causes significant morbidity and should be treated aggressively whenever possible.

Adult↗

Upper extremity deep vein thrombosis.

Upper extremity deep vein thrombosis (UEDVT) is a rare thrombotic disorder (1-4% or all DVT), but it has a potential for considerable morbidity in the form of pulmonary embolism, persistent upper extremity pain and swelling, superior vena cava syndrome and loss of vascular access. Newer non-invasive methods such as duplex ultrasound and magnetic resonance angiography facilitate early diagnosis. Early catheter directed thrombolysis followed by anticoagulation prevent long-term sequalae.

Anticoagulants↗

Risk factors and recurrence rate of primary deep vein thrombosis of the upper extremities.

BACKGROUND: One third of cases of upper-extremity deep vein thrombosis (DVT) are primary, ie, they occur in the absence of central venous catheters or cancer. Risk factors for primary upper-extremity DVT are not well established, and the recurrence rate is unknown. METHODS AND RESULTS: We studied 115 primary upper-extremity DVT patients and 797 healthy controls for the presence of thrombophilia due to factor V Leiden, prothrombin G20210A, antithrombin, protein C, protein S deficiency, and hyperhomocysteinemia. Transient risk factors for venous thromboembolism were recorded. Recurrent upper-extremity DVT was evaluated prospectively over a median of 5.1 years of follow-up. The adjusted odds ratio for upper-extremity DVT was 6.2 (95% CI 2.5 to 15.7) for factor V Leiden, 5.0 (95% CI 2.0 to 12.2) for prothrombin G20210A, and 4.9 (95% CI 1.1 to 22.0) for the anticoagulant protein deficiencies. Hyperhomocysteinemia and oral contraceptives were not associated with upper-extremity DVT. However, in women with factor V Leiden or prothrombin G20210A who were taking oral contraceptives, the odds ratio for upper-extremity DVT was increased up to 13.6 (95% CI 2.7 to 67.3). The recurrence rate was 4.4% patient-years in patients with thrombophilia and 1.6% patient-years in those without thrombophilia. The hazard ratio for recurrent upper-extremity DVT in patients with thrombophilia compared with those without was 2.7 (95% CI 0.7 to 9.8). CONCLUSIONS: Inherited thrombophilia is associated with an increased risk of upper-extremity DVT. Oral contraceptives increase the risk only when combined with inherited thrombophilia. The recurrence rate of primary upper-extremity DVT is low but tends to be higher in patients with thrombophilia than in those without.

Activated Protein C Resistance↗

Outcomes of patients with atherosclerotic upper extremity tissue loss.

Severe ischemia of the upper extremity causing tissue necrosis occurs much less frequently than in the lower extremity. The clinical outcome of patients diagnosed with digital nonhealing ulcer or gangrene is largely unknown. A retrospective review of patients with upper extremity tissue loss was performed. Patients with ischemia from embolic disease, steal syndromes, and vasospastic or connective tissue disorders were excluded. Thirteen patients with upper extremity ischemic gangrene and/or nonhealing ulcers were treated from January 1995 to June 2002. Comorbid conditions included diabetes mellitus in 10 patients and renal failure in 11 patients. Five patients developed bilateral upper extremity ischemia during the period of evaluation, while 8 had unilateral involvement. Nine patients had dry gangrene of a digit, 5 had nonhealing ulcers, and 1 patient developed wet gangrene from an ischemic ulcer. All 13 patients received local wound care and medical treatment with anticoagulants, calcium channel blockers, or antiplatelet agents. Ischemic lesions healed in 3 of the 5 patients with conservative management. Surgical intervention was performed on 6 patients with dry gangrene, and the patient with wet gangrene underwent amputation of the hand (53.8%). Two patients underwent sympathectomy without improvement. In the remaining 3 patients, tissue loss remained stable. Seven patients died within 2 years of presentation with upper extremity ischemia, with a survival at 24 months of only 14% by lifetable analysis. The local outcome of severe upper extremity ischemia is generally favorable, with good response to either medical management or digit amputation. However, the life expectancy of the patients with upper extremity ischemia from true atherosclerotic disease is dismal. Therefore, surgical intervention should be reserved for infection control or pain relief only.

Adult↗

[Progress in the study on synergetic control principle of human upper extremity and related issues].

Human upper extremity is the most complex and flexible executor during the human movement, coordination analysis of the synergetic control principle of human upper extremity is of great significance in trajectory planning and real-time control of anthropopathy robots and intelligent prosthesis system. Most studies have only been performed within the last 10 years. This paper surveys the research in the structure characteristic and redundancy coordination principle of human upper extremity, and the developments of various prospects of anthropopathy robots, intelligent prosthesis, gymnastic science and rehabilitation evaluation are discussed.

Humans↗

Upper extremity deep venous thrombosis.

PURPOSE: To determine the prevalence of symptomatic upper extremity deep venous thrombosis (DVT) and its association with symptomatic acute pulmonary embolism (PE) in a community teaching hospital. METHODS: The prevalence of symptomatic upper extremity DVT was evaluated retrospectively at a community teaching hospital during the 2-year period between July 1, 1998, and June 30, 2000. Patients were identified by International Classification of Disease, ninth revision, clinical modification, discharge codes and a review of the records of all compression Doppler ultrasonograms, venograms of the upper extremities, and magnetic resonance angiograms of the upper extremities. RESULTS: Symptomatic upper extremity DVT was diagnosed in 65 of 44,136 patients of all ages (0.15%) [or 64 of 34,567 adult patients >or= 20 years of age; 0.19%]. In seven patients, the upper extremity DVT was shown by venography to extend proximally to the brachiocephalic vein. Among these, the DVT extended to the superior vena cava in two. All of the patients received anticoagulant therapy for upper extremity DVT. No patients developed symptomatic PE. Central lines at the site of the upper extremity DVT were inserted in 39 of 65 patients (60%). Cancer was diagnosed in 30 of 65 patients (46%), 23 cancer patients also had central lines, and 19 patients (29%) had upper extremity DVT with no apparent cause. All patients had swelling of the upper extremities. Erythema over the affected site was present in four patients (6%). Pain was present in 26 patients (40%), although some discomfort due to swelling was present in all patients. CONCLUSION: Symptomatic upper extremity DVT is not uncommon in hospitalized patients. Symptomatic PE resulting from upper extremity DVT was not observed in these patients, all of whom were treated with anticoagulants.

Acute Disease↗