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Blood pressure and spinal cord injury

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https://www.readbyqxmd.com/read/27912248/mean-arterial-blood-pressure-management-of-acute-spinal-cord-injured-patients-during-the-pre-hospital-and-early-admission-period
#1
Jin Wee Tee, Farhaan Altaf, Lise M Belanger, Tamir Ailon, John Street, Scott J Paquette, Michael C Boyd, Charles G Fisher, Marcel F Dvorak, Brian K Kwon
The optimization and maintenance of mean arterial blood pressure (MAP) and the general avoidance of systemic hypotension for the first 5 to 7 days following acute traumatic SCI is considered to be important for minimizing secondary spinal cord ischemic damage. The characterization of hemodynamic parameters in the immediate post-injury stage prior to admission to a specialized spine unit has not been previously reported. Here we describe the blood pressure management of 40 acute tSCI patients in the early post-injury phases of care prior to their arrival in a specialized spinal injury high dependency unit (HDU), intensive care unit (ICU) or operating room (OR)...
December 2, 2016: Journal of Neurotrauma
https://www.readbyqxmd.com/read/27834292/mesenteric-vascular-dysregulation-and-intestinal-inflammation-accompanies-experimental-spinal-cord-injury
#2
Emily M Besecker, Gina M Deiter, Nicole Pironi, Timothy K Cooper, Gregory Michael Holmes
Cervical and high thoracic spinal cord injury (SCI) drastically impairs autonomic nervous system function. Individuals with SCI at thoracic spinal-level 5 (T5) or higher often present cardiovascular disorders that include resting systemic arterial hypotension. Gastrointestinal (GI) tissues are critically dependent upon adequate blood flow and even brief periods of visceral hypoxia triggers GI dysmotility. The aim of this study was to test the hypothesis that T3-SCI induces visceral hypoperfusion, diminished postprandial vascular reflexes and concomitant visceral inflammation...
November 9, 2016: American Journal of Physiology. Regulatory, Integrative and Comparative Physiology
https://www.readbyqxmd.com/read/27824285/increased-central-arterial-stiffness-after-spinal-cord-injury-contributing-factors-implications-and-possible-interventions
#3
Amanda Huai Xin Lee, Aaron A Phillips, Andrei V Krassioukov
Individuals with spinal cord injury (SCI) experience life-threatening cardiovascular events and various autonomic consequences in addition to the well-appreciated motor and neurological impairments. As a result, cardiovascular disease is a major cause of death after SCI, corresponding to a 2-4 fold increased risk of cardiovascular events. A combination of neuroanatomical changes, unstable blood pressure, and rapid deconditioning as a result of decreased physical activity likely contributes to accelerated cardiovascular disease progression in after SCI...
November 8, 2016: Journal of Neurotrauma
https://www.readbyqxmd.com/read/27824234/the-effects-of-upper-extremity-aerobic-exercise-on-exercise-capacity-and-other-health-issues-in-patients-with-spinal-cord-injury-a-randomized-controlled-study
#4
Halil Akkurt, Hale Uzumcugil Karapolat, Yesim Kirazli, Timur Kose
BACKGROUND: Immobility and secondary complications, including cardiopulmonary disease, pressure ulcers, and pain, occur in patients with spinal cord injury (SCI). These patients also have difficulty coping with the strain of daily activities. Thus, it is important for SCI patients to engage in aerobic exercise in order to be able to cope adequately with the strain of activities and SCI-related complications. AIM: The aim of this study was to investigate the effects of arm aerobic exercise on the parameters of cardiopulmonary function, quality of life, degree of disability, psychological state, and metabolic syndrome...
November 8, 2016: European Journal of Physical and Rehabilitation Medicine
https://www.readbyqxmd.com/read/27813450/exploring-daily-blood-pressure-fluctuations-and-cardiovascular-risk-among-individuals-with-motor-complete-spinal-cord-injury-a-pilot-study
#5
Derry L Dance, Amit Chopra, Kent Campbell, David S Ditor, Magdy Hassouna, B Catharine Craven
BACKGROUND: Clinically silent autonomic dysfunction with bowel and bladder care, are postulated to contribute to cardiovascular disease after chronic spinal cord injury (SCI). OBJECTIVE: We describe the frequency and severity of dysreflexic episodes, termed transient blood pressure elevations (T-BPE) over 48 hours in adults with cervical or high-thoracic motor-complete SCI. SETTING: Tertiary SCI Rehabilitation Centre in Toronto, Canada. PARTICIPANTS: Individuals with chronic SCI, C1-T3 AIS A or B, >1 year post-injury, living in the community (n=19)...
November 4, 2016: Journal of Spinal Cord Medicine
https://www.readbyqxmd.com/read/27802777/prognostic-factor-analysis-after-surgical-decompression-and-stabilization-for-cervical-spinal-cord-injury
#6
Jin Hoon Park, Jeoung Hee Kim, Sung Woo Roh, Seung Chul Rhim, Sang Ryong Jeon
INTRODUCTION: Several studies have demonstrated the role of decompression surgery in preventing secondary injury and improving the neurological outcome after spinal cord injury (SCI). We retrospectively analyzed the prognostic factors affecting the outcomes of decompression surgery in patients with SCI. METHODS: We performed one-level decompression and fusion surgery on 73 patients with cervical SCI. We classified all patients based on their interval to decompression, sex, age, surgical level, presence of high signal intensity, American Spinal Injury Association Impairment scale (AIS) before surgery, blood pressure at admission, the amount of cord compression, surgical time, estimated blood loss during surgery, and steroid use...
November 2, 2016: British Journal of Neurosurgery
https://www.readbyqxmd.com/read/27796188/letter-to-the-editor-regarding-cardiovascular-responses-during-sexual-activity
#7
Marca Alexander, Frederique Courtois
This is a letter to the editor regarding the article: Davidson R, Elliott S, Krassioukov A. Cardiovascular Responses to Sexual Activity in Able-Bodied Individuals and Those Living with Spinal Cord Injury. May 31 epub ahead of print. The authors are commended for the detail they put in their tables; however, there are a number of areas where the authors have omitted significant published data regarding the cardiovascular responses in sexual activity in persons with spinal cord injuries. The authors have also not taken into account the N of subject in published papers that are referenced...
October 31, 2016: Journal of Neurotrauma
https://www.readbyqxmd.com/read/27785982/the-impact-of-mean-arterial-pressure-on-functional-outcome-post-acute-spinal-cord-injury-a-scoping-systematic-review-of-animal-models
#8
Behzad Sabit, Frederick Adam Zeiler, Neil Berrington
To perform a scoping systematic review on the animal literature surrounding mean arterial blood pressure (MAP) and functional outcomes post acute spinal cord injury (ASCI). We performed a systematic review of the literature via searching: MEDLINE, BIOSIS, EMBASE, Global Health, SCOPUS, and Cochrane Library from inception to January 2015. We also performed a hand search of various published meeting proceedings. Through a two-step review process, employing two independent reviewers, we selected articles for the final review based on pre-defined inclusion/exclusion criteria...
October 27, 2016: Journal of Neurotrauma
https://www.readbyqxmd.com/read/27759678/failure-of-mean-arterial-pressure-goals-to-improve-outcomes-following-penetrating-spinal-cord-injury
#9
William J Readdy, Rajiv Saigal, William D Whetstone, Anthony N Mefford, Adam R Ferguson, Jason F Talbott, Tomoo Inoue, Jacqueline C Bresnahan, Michael S Beattie, Jonathan Pan, Geoffrey T Manley, Sanjay S Dhall
BACKGROUND: Increased spinal cord perfusion and blood pressure goals have been recommended for spinal cord injury (SCI). Penetrating SCI is associated with poor prognosis, but there is a paucity of literature examining the role of vasopressor administration for the maintenance of mean arterial pressure (MAP) goals in this patient population. OBJECTIVE: To elucidate this topic and to determine the efficacy of vasopressor administration in penetrating SCI by examining a case series of consecutive penetrating SCIs...
November 2016: Neurosurgery
https://www.readbyqxmd.com/read/27676770/inaugural-hyperhidrosis-revealing-syringomyelia-in-a-spinal-cord-injured-men-t10-ais-a
#10
Charlotte Pineau, Brice Lavrard, François Boyer, Laëtitia Percebois-Macadré
OBJECTIVE: MRI has highly changed the assessment of post-traumatic syringomyelia (PTS), roughly estimated at 30% nowadays. Times to onset (TTO) symptoms are random. This case report describes how hyperhidrosis appeared and revealed PTS diagnosis. OBSERVATIONS: Mr M., 43-year-old, is rehabilitation inpatient after T10 AIS A spinal cord injury (SCI). Three months after this event, Mr M complains of acute hyperhidrosis crisis always located below the injury, which can occur at any time of the day, particularly when he moves...
September 2016: Annals of Physical and Rehabilitation Medicine
https://www.readbyqxmd.com/read/27648172/the-correlation-between-dietary-fat-intake-and-blood-pressure-among-people-with-spinal-cord-injury
#11
Hadis Sabour, Abbas Norouzi-Javidan, Zahra Soltani, Seyede Azemat Mousavifar, Sahar Latifi, Seyed Hassan Emami-Razavi, Seyed Mohammad Ghodsi
BACKGROUND: Studies have demonstrated the effect of different dietary fats on blood pressure (BP) in general population. However, these associations have not yet been described in people with spinal cord injury (SCI). METHODS: Referred patients to Brain and SCI Research Center between 2011 and 2014 have been invited to participate. Only paraplegic individuals were recruited and patients with injury at cervical or higher thoracic sections were excluded to omit the bias effect of autonomic dysreflexia...
July 6, 2016: Iranian Journal of Neurology
https://www.readbyqxmd.com/read/27604741/determination-of-vascular-reactivity-of-middle-cerebral-arteries-from-stroke-and-spinal-cord-injury-animal-models-using-pressure-myography
#12
Mohammad A Anwar, Ali H Eid
Stroke and other neurovascular derangements are main causes of global death. They, along with spinal cord injuries, are responsible for being the principal cause of disability due to neurological and cognitive problems. These problems then lead to a burden on scarce financial resources and societal care facilities as well as have a profound effect on patients' families. The mechanism of action in these debilitating diseases is complex and unclear. An important component of these problems arises from derangement of blood vessels, such as blockage due to clotting/embolism, endothelial dysfunction, and overreactivity to contractile agents, as well as alteration in endothelial permeability...
2016: Methods in Molecular Biology
https://www.readbyqxmd.com/read/27575616/comparison-of-autonomic-reactions-during-urodynamic-examination-in-patients-with-spinal-cord-injuries-and-able-bodied-subjects
#13
Yu-Hui Huang, Hsiao-Yun Chang, Sen-Wei Tsai, Li-Wei Chou, Sung-Lang Chen, Yu-Hao Lin
BACKGROUND/PURPOSE: This study compares heart rate variability (HRV) and systolic blood pressure (SBP) changes of spinal cord injury (SCI) patients during urodynamic study (UDS) with able-bodied controls. METHODS: Twenty four complete suprasacral SCI patients (12 tetraplegia and 12 paraplegia) and 12 age-matched able-bodied volunteers received BP and HRV evaluation throughout urodynamic examination. We chose seven time points during the examinations: resting, Foley catheter insertion, start of infusion, and infused volume reaching 1/4, 2/4, 3/4 and 4/4 of maximal capacity...
2016: PloS One
https://www.readbyqxmd.com/read/27573583/characterizing-the-severity-of-autonomic-cardiovascular-dysfunction-after-spinal-cord-injury-using-a-novel-24-hour-ambulatory-blood-pressure-analysis-software
#14
David W Popok, Christopher R West, Michele Hubli, Katharine D Currie, Andrei V Krassioukov
Cardiovascular disease is one of the leading causes of morbidity and mortality in the spinal cord injury (SCI) population. SCI may disrupt autonomic cardiovascular homeostasis, which can lead to persistent hypotension, irregular diurnal rhythmicity, and the development of autonomic dysreflexia (AD). There is currently no software available to perform automated detection and evaluation of cardiovascular autonomic dysfunction(s) such as those generated from 24 h ambulatory blood pressure monitoring (ABPM) recordings in the clinical setting...
October 5, 2016: Journal of Neurotrauma
https://www.readbyqxmd.com/read/27560256/the-effect-of-behavioral-intervention-and-nutrition-education-program-on-serum-lipid-profile-body-weight-and-blood-pressure-in-iranian-individuals-with-spinal-cord-injury-a-randomized-clinical-trial
#15
Hadis Sabour, Abbas Norouzi Javidan, Zahra Soltani, Amir H Pakpour, Mir Saeed Yekaninejad, Seyedeh A Mousavifar
OBJECTIVE: The efficacy of nutrition education on body weight and serum lipids has not yet been described in patients with spinal cord injury (SCI). In the present study, we examined the effect of a 7-month nutrition education program on lipid profile and body weight in individuals with SCI. DESIGN: Randomized clinical trial. SETTING: A tertiary rehabilitation center. PARTICIPANTS: Patients with SCI who were referred to Brain and Spinal Cord Injury Research Center...
August 25, 2016: Journal of Spinal Cord Medicine
https://www.readbyqxmd.com/read/27500446/development-of-an-algorithm-to-perform-a-comprehensive-study-of-autonomic-dysreflexia-in-animals-with-high-spinal-cord-injury-using-a-telemetry-device
#16
David Popok, Christopher West, Barbara Frias, Andrei V Krassioukov
Spinal cord injury (SCI) is a debilitating neurological condition characterized by somatic and autonomic dysfunctions. In particular, SCI above the mid-thoracic level can lead to a potentially life-threatening hypertensive condition called autonomic dysreflexia (AD) that is often triggered by noxious or non-noxious somatic or visceral stimuli below the level of injury. One of the most common triggers of AD is the distension of pelvic viscera, such as during bladder and bowel distension or evacuation. This protocol presents a novel pattern recognition algorithm developed for a JAVA platform software to study the fluctuations of cardiovascular parameters as well as the number, severity and duration of spontaneously occurring AD events...
2016: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/27456150/high-thoracic-contusion-model-for-the-investigation-of-cardiovascular-function-post-spinal-cord-injury
#17
Jordan Squair, Christopher R West, David Popok, Peggy Assinck, Jie Liu, Wolfram Tetzlaff, Andrei V Krassioukov
Cardiovascular disease is the leading cause of death for individuals with spinal cord injury (SCI). Due to a lack of a standardized and accessible animal model for cardiovascular disease after SCI, few laboratories have conducted pre-clinical trials aimed at re-instating descending cardiovascular control. Here, we utilized common contusion methodology applied to the midline of the upper-thoracic cord of adult Wistar rats accompanied with telemetric blood pressure monitoring, Fluorogold retrograde neuronal tracing, as well as lesion site and lumbrosacral afferent immunohistochemistry...
July 25, 2016: Journal of Neurotrauma
https://www.readbyqxmd.com/read/27449321/risk-and-protective-factors-for-cause-specific-mortality-after-spinal-cord-injury
#18
James S Krause, Yue Cao, Michael J DeVivo, Nicole D DiPiro
OBJECTIVE: To investigate the association of multiple sets of risk and protective factors (biographic and injury, socioeconomic, health) with cause-specific mortality after spinal cord injury (SCI). DESIGN: Retrospective analysis of a prospectively created cohort. SETTING: Spinal Cord Injury Model Systems facilities. PARTICIPANTS: Adults (N=8157) with traumatic SCI who were enrolled in a model systems facility after 1973 and received follow-up evaluation that included all study covariates (between November 1, 1995 and October 31, 2006)...
October 2016: Archives of Physical Medicine and Rehabilitation
https://www.readbyqxmd.com/read/27431660/the-effect-of-autonomic-nervous-system-dysfunction-on-oxygen-consumption-during-daily-living-activities-in-patients-with-spinal-cord-injury
#19
B Yilmaz, S Göktepe, E Yaşar, S Kesikburun, E Adıgüzel
STUDY DESIGN: Case-control study. OBJECTIVES: To investigate the level of autonomic nervous system dysfunction in patients with spinal cord injury and to determine its effect on the basal metabolic rate and oxygen consumption during daily living activities. SETTING: Turkish Armed Forces Rehabilitation Center, Ankara, Turkey. METHODS: Thirty-six patients with chronic spinal cord injury (SCI) were allocated into two groups according to the presence of autonomic nervous system dysfunction...
July 19, 2016: Spinal Cord
https://www.readbyqxmd.com/read/27378787/a-behavioral-intervention-promoting-physical-activity-in-people-with-subacute-spinal-cord-injury-secondary-effects-on-health-social-participation-and-quality-of-life
#20
Carla Fj Nooijen, Henk J Stam, Tebbe Sluis, Linda Valent, Jos Twisk, Rita Jg van den Berg-Emons
OBJECTIVE: To assess, for people with subacute spinal cord injury, if rehabilitation that is reinforced with the addition of a behavioral intervention to promote physical activity leads to a better health, participation and quality of life. DESIGN: Randomized controlled trial. SETTING: Rehabilitation centers. PARTICIPANTS: A total of 39 participants analyzed (45 included), with subacute spinal cord injury in inpatient rehabilitation, dependent on a manual wheelchair (33% tetraplegia, 62% motor complete, 150 ±74 days postinjury)...
July 4, 2016: Clinical Rehabilitation
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