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2 edition of Sensory function after traumatic upper extremity amputation in the human found in the catalog.

Sensory function after traumatic upper extremity amputation in the human

Judith Patricia Hunter

Sensory function after traumatic upper extremity amputation in the human

by Judith Patricia Hunter

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  • 3 Currently reading

Published .
Written in English


About the Edition

Awareness of a phantom limb (PLA) as an integral part of the body is experienced by almost every individual after amputation. This awareness can be accompanied by specific qualities of sensation (PLS) and/or pain (PLP) in the missing limb. The neural mechanisms underlying these phenomena are not known. Previous hypotheses focused on PLP and were primarily based on data obtained in subjects evaluated several years after their amputation. Furthermore, these studies were potentially confounded by age effects and/or coexisting injuries or disease. The present thesis tested the main hypothesis that phantom awareness is a distinct phantom phenomenon reflecting an altered interaction of multiple sensory inputs and does not reflect cutaneous sensory thresholds. Prospective evaluations (interviews, quantitative sensory testing) were conducted in an unselected cohort of otherwise healthy individuals early (<6 months) after unilateral traumatic upper limb amputation. A subset of subjects was followed longitudinally (∼two years). Prevalence and longitudinal data indicated that spontaneous PLA (mostly a stiff, flexed phantom hand) is the most common and stable phantom experience, suggesting that these perceptions reflect conscious body awareness. Spontaneous PLP, PLS, stump pain and evoked PLS/PLA were less prevalent and varied individually over the time period examined. Furthermore, despite a common injury, there was no consistent pattern of abnormalities in tactile or thermal sensory function in the stump. Sensory thresholds did not reflect the quality of the subjective phantom limb experience. These data indicate that (1) the relative contribution of specific mechanisms can vary between individuals and over time and, (2) PLS and PLA are not related in any simple way to cutaneous sensory function. Furthermore, a mirror box illusion was used to examine the interaction and effects of vision and sensorimotor inputs on perceived PLA. Real and illusory visual information about limb position that produced subtle changes in congruence of visual, tactile, and sensorimotor information enhanced spontaneous PLA and dampened evoked PLA. In conclusion, PLA reflect an altered interaction of sensory inputs that normally maintain body awareness and not a specific cutaneous sensory deficit. Spontaneous PLA could arise from a mismatch between expected and actual sensory signals concerning body location.

Edition Notes

Statementby Judith Patricia Hunter.
The Physical Object
Paginationxii, 245 leaves.
Number of Pages245
ID Numbers
Open LibraryOL19758221M
ISBN 109780494158760

Feb 13,  · Limb amputation is generally perceived as a failure of therapy, instead of an opportunity to provide functional restoration. The traditional approach to extremity amputation suffers from a lack of Author: Shriya S. Srinivasan, Maurizio Diaz, Matthew Carty, Hugh M. Herr. Traumatic upper extremity amputation is a life-altering incident, and salvage of function depends on accurate surgical management and postoperative rehabilitation. Several injuries necessitate amendment amputation and postoperative prosthesis fitting. Attention should be taken to preserve maximal length of the limb and motion of the residual Author: Bassam Ahmed Almutlaq, Mohammad M. Al-Qattan, Majid Zannon Alturkstani, Rakan Fraih Almuazzi, Abdulk.

Upper-extremity prostheses are used at varying levels of amputation: forequarter, shoulder disarticulation, transhumeral prosthesis, elbow disarticulation, transradial prosthesis, wrist disarticulation, full hand, partial hand, finger, partial finger. A transradial prosthesis is an artificial limb that replaces an arm missing below the elbow. Sep 21,  · Rehabilitation of persons with lower-limb loss after amputation is an endeavor that has benefitted greatly from technological advances over the last decades. Major improvements have become possible by modern prosthetic componentry, wheelchair design, therapy regimens, and outcome assessment dr-peshev.com by: 6.

Upper Extremity Amputation. Results: iClick Environmental Control. The iClick Environmental Control is a device designed for users with upper extremity and severe physical disabilities to allow them to operate up to two electrical appliances with an iPad or switches without room installations. Download Amputations And Prosthetics A Case Study Approach ebook for free in pdf and ePub Format. Amputations And Prosthetics A Case Study Approach also available in format docx and mobi. Read Amputations And Prosthetics A Case Study Approach online, read in mobile or Kindle.


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Sensory function after traumatic upper extremity amputation in the human by Judith Patricia Hunter Download PDF EPUB FB2

Upper extremity amputations are most frequently indicated by severe traumatic injuries. The location of the injury will determine the level of amputation. Preservation of extremity length is often a goal. The amputation site will have important implications on the functional status of the patient and options for prosthetic dr-peshev.com by: 5.

Dec 15,  · Sensory function after traumatic upper extremity amputation in the human by Judith Patricia Hunter, edition, in EnglishPages: We use cookies to make interactions with our website easy and meaningful, to better understand the use of our services, and to tailor advertising.

Oct 30,  · For example, a T10 complete spinal cord injury patient with unilateral lower extremity amputation can achieve good ADL after rehabilitation due to the intact upper limb function. However, when an upper limb is amputated, ADL will be adversely dr-peshev.com by: 4. The effect of tactile and visual sensory inputs on phantom limb awareness within the 14 months after traumatic upper extremity amputation, (ii) evoked dual percepts are less common than.

Jul 30,  · The classifications for levels of upper extremity amputation are described anatomically and are illustrated in Fig. The term disarticulation describes an amputation through the joint.

From proximal to distal, the term intrascapular thoracic describes an amputation of the entire upper extremity, scapula, and dr-peshev.comumeral describes an amputation through the humerus, also known as. Jun 23,  · Pain after amputation involves nociceptive pain, due to bone and soft tissue injury, and neuropathic pain from direct neural trauma and central sensitization.

The incidence is unknown in medical amputees but has been found in up to 63% of patients after traumatic amputation. 4 This can be inferred clinically as patients with upper limb Cited by: 6. As a result of wars in Afghanistan and Iraq, the number of catastrophic injuries due to explosive devices has increased.

7 Traumatic amputation is the major reason for upper extremity loss in the military. 7 As of July14% of major limb loss sustained in Operation New Dawn, Operation Iraqi Freedom, and Operation Enduring Freedom involved.

Feb 03,  · Targeted sensory reinnervation provides a potential pathway for meaningful sensory feedback. Trends in upper-extremity prosthetics development. Atlas of Limb Prosthetics. Mosby The patient was a year-old woman who had a traumatic transhumeral amputation in May,due to a motorcycle accident.

She had severe phantom limb pain (9 Cited by: Feb 01,  · Amputations to the upper extremity may be performed as distal as the fingertip and as proximal as including the shoulder. Traumatic injuries and malignancies are the most frequent pathologies to necessitate amputation.

1 2 With the advent of microsurgical techniques in the midth century, limb-sparing management has become the preferred treatment for traumatic injuries and Cited by: 5. The complexity of the human upper extremity is illustrated by the massive proportion of space within the motor and sensory areas of the brain (the motor and sensory homunculi) dedicated to the motor control and sensation of the hand and fingers.

Traumatic upper extremity amputations: The National Academies Press. doi: / questions about living with an amputation.

This book is based on the VA/DoD Upper Extremity Amputation Rehabilitation (UEAR) Clinical Practice Guideline (CPG) which describes the best methods for treating Veterans and Service members with amputation.

Cortical remapping, also referred to as cortical reorganization, is the process by which an existing cortical map is affected by a stimulus resulting in the creating of a 'new' cortical map.

Every part of the body is connected to a corresponding area in the brain which creates a cortical dr-peshev.com something happens to disrupt the cortical maps such as an amputation or a change in neuronal.

Oct 16,  · Behavioral Health Assessment - There are some significant differences in the recovery process between patient’s with upper limb amputation and those with lower extremity amputations. - The upper extremity provides the ability to perform fine motor tasks and experience the world through the use of the hand.

- After upper limb loss there is a. lower extremity amputation upper body exercise program ot. lower extremity amputation upper body exercise program ot We are a leading global provider of affordable solutions for individuals suffering from impaired mobility and function.

Discover how we can help you today. and receives fibers from and It contains both sensory and motor. Sep 01,  · Even decades after amputation, Study reveals why the brain can’t forget amputated limbs, even decades later September 1, am EDT.

Jun 01,  · The brain is a complicated neural network which continuously remodels itself as a result of changes in sensory input. Such synaptic reorganizational changes may be activity-dependent, based on alterations in hand activity and tactile experience, or a result of Cited by: Traumatic AmputationAnd ProstheticsIndependent Study CourseReleased: May Sponsored byDepartment of Veterans AffairsEmployee Education System Employee Education SystemThis is a Veterans Health Administration System-Wide Training Program sponsored bythe Department of Veterans Affairs Employee Education System and the Office of PublicHealth and Environmental Hazards.

OT and Upper Extremity Amputation treatment options, and tools for lifestyle adaptation to allow people with visual field defect to function in life again. A high energy activity that can be used to develop motor planning skills in the upper extremities.

Children who have sensory and praxis issues may benefit from this intervention. To understand the physiology of pain, the easiest way is to follow the nocicep- tive signal pathways from the sensory receptors to the brain.

Special attention needs to be paid to the integration and modulation of the nociceptive signal at different steps in the Central Nervous System (CNS). Apr 22,  · Abstract. Targeted muscle reinnervation (TMR) combines surgery and engineering to restore intuitive control of upper limb function.

Advances in bioprostheses, myoelectric systems, and reconstructive surgery have allowed patients to achieve a greater range Author: Victor W. Wong, Richard J. Redett.Diabetes: Taking steps to prevent amputation The Preservation Amputation Care and Treatment (PACT) program in Nashville decreased amputation rates by 40% in patients with diabetes.

Here’s how they did it.Brachial plexus injuries may also be accompanied by partial or complete traumatic upper limb amputation. About 50–85% of these amputees will suffer from chronic pain [52, 53] particularly in more proximal amputations.

This pain usually starts 1 month postamputation, and in 54–87% of them, it is followed by phantom limb pain [37, 53, 54].Author: Nieves Saiz-Sapena, Vicente Vanaclocha-Vanaclocha, José María Ortiz-Criado, L. Vanaclocha, Nieves Va.