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Blood pressure and spinal cord injury

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https://www.readbyqxmd.com/read/28075489/cough-augmentation-techniques-for-extubation-or-weaning-critically-ill-patients-from-mechanical-ventilation
#1
REVIEW
Louise Rose, Neill Kj Adhikari, David Leasa, Dean A Fergusson, Douglas McKim
BACKGROUND: There are various reasons why weaning and extubation failure occur, but ineffective cough and secretion retention can play a significant role. Cough augmentation techniques, such as lung volume recruitment or manually- and mechanically-assisted cough, are used to prevent and manage respiratory complications associated with chronic conditions, particularly neuromuscular disease, and may improve short- and long-term outcomes for people with acute respiratory failure. However, the role of cough augmentation to facilitate extubation and prevent post-extubation respiratory failure is unclear...
January 11, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28018240/distinctive-steady-state-heart-rate-and-blood-pressure-responses-to-passive-robotic-leg-exercise-and-functional-electrical-stimulation-during-head-up-tilt
#2
Amirehsan Sarabadani Tafreshi, Robert Riener, Verena Klamroth-Marganska
Introduction: Tilt tables enable early mobilization of patients by providing verticalization. But there is a high risk of orthostatic hypotension provoked by verticalization, especially after neurological diseases such as spinal cord injury. Robot-assisted tilt tables might be an alternative as they add passive robotic leg exercise (PE) that can be enhanced with functional electrical stimulation (FES) to the verticalization, thus reducing the risk of orthostatic hypotension. We hypothesized that the influence of PE on the cardiovascular system during verticalization (i...
2016: Frontiers in Physiology
https://www.readbyqxmd.com/read/28008298/severe-protracted-spasm-of-urinary-bladder-and-autonomic-dysreflexia-caused-by-changing-the-suprapubic-catheter-in-a-cervical-spinal-cord-injury-patient-treatment-by-a-bolus-dose-and-increased-total-daily-dose-of-intrathecal-baclofen
#3
Subramanian Vaidyanathan, Tun Oo, Bakul M Soni, Peter L Hughes, Gurpreet Singh
BACKGROUND: Intrathecal administration of baclofen by implanted pump reduces rigidity and muscle spasms. Its use specifically to control bladder spasms has not been reported. CASE REPORT: A tetraplegic patient developed severe, protracted, bladder spasms, abdominal muscles spasms, and high blood pressure after change of suprapubic catheter; nifedipine, diazepam, and paracetamol did not control spasms; bolus dose of baclofen intrathecally produced prompt relief via baclofen pump...
2016: Clinical Medicine Insights. Case Reports
https://www.readbyqxmd.com/read/28004433/effects-of-early-and-delayed-initiation-of-exercise-training-on-cardiac-and-hemodynamic-function-post-spinal-cord-injury
#4
David W Popok, Christopher R West, Laura McCracken, Andrei V Krassioukov
Spinal cord injury (SCI) reduces physical activity and alters descending supraspinal cardiovascular control, predisposing this population to early onset of cardiovascular disease. We used a T3 SCI rodent model to investigate the effect of early vs. delayed passive hind-limb cycling (PHLC), as well as the effect of detraining on cardiac dysfunction and blood pressure control, including autonomic dysreflexia (AD). 20 male Wistar rats were divided into an early PHLC initiation group followed by a period of detraining (PHLC starting day 6 post-SCI, for 4 weeks, followed by 4 weeks of detraining; "early PHLC/detraining" group) and a delayed PHLC intervention group (no PHLC for first 5 weeks post-SCI, followed by PHLC for 4 weeks; "no PHLC/delayed PHLC" group)...
December 22, 2016: Experimental Physiology
https://www.readbyqxmd.com/read/27998205/2015-parapan-american-games-autonomic-function-but-not-physical-activity-is-associated-with-vascular-cognitive-impairment-in-spinal-cord-injury
#5
Aaron A Phillips, Jordan W Squair, Katharine Dianne Currie, Shieak Tzeng, Phil Ainslie, Andrei V Krassioukov
Autonomic dysfunction and diminished capacity for physical exercise are commonly implicated in the 3-4 fold increased risk of cerebrovascular disease after spinal cord injury (SCI). We assessed cerebrovascular function [transcranial Doppler; neurovascular coupling (NVC) and cerebral pressure-flow regulation] in elite national level wheelchair rugby players (n=23), normally active SCI individuals (n=12), and able-bodied controls (n=13). Cognitive (Stroop) and autonomic function (postural change) was also evaluated...
December 21, 2016: Journal of Neurotrauma
https://www.readbyqxmd.com/read/27995944/subacute-posttraumatic-ascending-myelopathy-a-literature-review
#6
REVIEW
J Zhang, G Wang
STUDY DESIGN: A literature review. OBJECTIVES: Our aim was to summarise the history, epidemiology, aetiological mechanism, pathological study, clinical and radiological evaluation, treatment and prognosis of subacute posttraumatic ascending myelopathy (SPAM). METHODS: Medical literature on SPAM were searched in the PubMed, Medline, Ovid and Embase databases. The cases of SPAM reported in literature were analysed, and the history, epidemiology, aetiological mechanism, pathological study, clinical and radiological evaluation, treatment and prognosis of SPAM were summarised...
December 20, 2016: Spinal Cord
https://www.readbyqxmd.com/read/27917700/posterior-reversible-encephalopathy-syndrome-following-elevated-mean-arterial-pressures-for-cervical-spinal-cord-injury
#7
Jeffrey H Zimering, Addisu Mesfin
BACKGROUND: Increasing the mean arterial pressure (MAP) is an accepted treatment modality to minimize the risk for irreversible neurologic damage secondary to spinal cord ischemia. Posterior reversible encephalopathy syndrome (PRES) is a rare complication occurring after transplantation surgery, in persons having an autoimmune disorder or after abrupt increases in blood pressure of various etiologies. STUDY DESIGN: Case report. METHODS: Retrospective evaluation of medical records...
December 5, 2016: Journal of Spinal Cord Medicine
https://www.readbyqxmd.com/read/27912248/mean-arterial-blood-pressure-management-of-acute-traumatic-spinal-cord-injured-patients-during-the-pre-hospital-and-early-admission-period
#8
Jin W Tee, Farhaan Altaf, Lise Belanger, Tamir Ailon, John Street, Scott Paquette, Michael 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 5-7 days following acute traumatic spinal cord injury (tSCI) 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)...
January 13, 2017: Journal of Neurotrauma
https://www.readbyqxmd.com/read/27834292/mesenteric-vascular-dysregulation-and-intestinal-inflammation-accompanies-experimental-spinal-cord-injury
#9
Emily M Besecker, Gina M Deiter, Nicole Pironi, Timothy K Cooper, Gregory M 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...
January 1, 2017: 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
#10
Amanda H X 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 two-to-fourfold 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 after SCI...
December 20, 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
#11
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
#12
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
#13
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/blood-pressure-during-sexual-activity-after-sci-inaccurately-portrayed
#14
Marcalee Alexander, Frédérique Courtois
No abstract text is available yet for this article.
January 11, 2017: 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
#15
Behzad Sabit, Frederick A Zeiler, Neil Berrington
The aim of this work was 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 by 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, using two independent reviewers, we selected articles for the final review based on pre-defined inclusion/exclusion criteria...
January 9, 2017: Journal of Neurotrauma
https://www.readbyqxmd.com/read/27759678/failure-of-mean-arterial-pressure-goals-to-improve-outcomes-following-penetrating-spinal-cord-injury
#16
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
#17
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
#18
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
#19
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
#20
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
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