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"ICP monitor*"

Andreas Fahlström, Lovisa Tobieson, Henrietta Nittby Redebrandt, Hugo Zeberg, Jiri Bartek, Andreas Bartley, Maria Erkki, Amel Hessington, Ebba Troberg, Sadia Mirza, Parmenion P Tsitsopoulos, Niklas Marklund
BACKGROUND: Supratentorial intracerebral haemorrhage (ICH) carries an excessive mortality and morbidity. Although surgical ICH treatment can be life-saving, the indications for surgery in larger cohorts of ICH patients are controversial and not well defined. We hypothesised that surgical indications vary substantially among neurosurgical centres in Sweden. OBJECTIVE: In this nation-wide retrospective observational study, differences in treatment strategies among all neurosurgical departments in Sweden were evaluated...
March 15, 2019: Acta Neurochirurgica
Preedipat Sattayasoonthorn, Jackrit Suthakorn, Sorayouth Chamnanvej
Intracranial pressure (ICP) monitoring is crucial in determining the appropriate treatment in traumatic brain injury. Minimally invasive approaches to monitor ICP are subject to ongoing research because they are expected to reduce infections and complications associated with conventional devices. This study aims to develop a wireless ICP monitoring device that is biocompatible, miniature and implantable. Liquid crystal polymer (LCP) was selected to be the main material for the device fabrication. This study considers the design, fabrication and testing of the sensing unit of the proposed wireless ICP monitoring device...
March 15, 2019: Biomedizinische Technik. Biomedical Engineering
Edoardo Picetti, Ronald V Maier, Sandra Rossi, Andrew W Kirkpatrick, Walter L Biffl, Philip F Stahel, Ernest E Moore, Yoram Kluger, Gian Luca Baiocchi, Luca Ansaloni, Vanni Agnoletti, Fausto Catena
Background: Traumatic brain injury (TBI) is a global health problem. Extracranial hemorrhagic lesions needing emergency surgery adversely affect the outcome of TBI. We conducted an international survey regarding the acute phase management practices in TBI polytrauma patients. Methods: A questionnaire was available on the World Society of Emergency Surgery website between December 2017 and February 2018. The main endpoints were the evaluation of (1) intracranial pressure (ICP) monitoring during extracranial emergency surgery (EES), (2) hemodynamic management without ICP monitoring during EES, (3) coagulation management, and (4) utilization of simultaneous multisystem surgery (SMS)...
2019: World Journal of Emergency Surgery: WJES
Chiara Robba, Joseph Donnelly, Danilo Cardim, Tamara Tajsic, Manuel Cabeleira, Giuseppe Citerio, Paolo Pelosi, Peter Smielewski, Peter Hutchinson, David K Menon, Marek Czosnyka
OBJECTIVEIntracranial hypertension and impaired cerebral autoregulation are common causes of secondary injuries in patients with traumatic brain injury (TBI). The primary outcome of this study was to assess whether a noninvasive method to estimate intracranial pressure (ICP) based on the ultrasonography of the optic nerve sheath diameter (ONSD) measured at the time of neurocritical care unit (NCCU) admission is correlated with the mean ICP during NCCU stay. Secondary outcomes were to assess whether ONSD is correlated with the dose of ICP > 20 mm Hg and impaired autoregulation during NCCU stay and with instantaneous ICP and whether ONSD is associated with NCCU mortality...
March 8, 2019: Journal of Neurosurgery
Saeed Kayhanian, Adam M H Young, Ross L Ewen, Rory J Piper, Mathew R Guilfoyle, Joseph Donnelly, Helen M Fernandes, Matthew Garnett, Peter Smielewski, Marek Czosnyka, Shruti Agrawal, Peter J Hutchinson
Intracranial pressure (ICP) monitoring forms an integral part of the management of severe traumatic brain injury (TBI) in children. The prediction of elevated ICP from imaging is important when deciding on whether to implement invasive ICP monitoring for a patient. However, the radiological markers of pathologically elevated ICP have not been specifically validated in paediatric studies. Here in, we describe an objective, non-invasive, quantitative method of stratifying which patients are likely to require invasive monitoring...
March 5, 2019: Scientific Reports
Chiazor U Onyia, Ibironke O Ogunbameru, Oluwamuyiwa A Dada, Oluwafemi F Owagbemi, Fred S Ige-Orhionkpaibima, Oluseun A Olarewaju, Edward O Komolafe
OBJECTIVES: A general consensus based on a multidisciplinary perspective involving an international panel was recently developed for management of patients with idiopathic intracranial hypertension (IIH). In this paper, the authors sought to develop further on the aspect of this consensus that concerns monitoring progression of the disease. PATIENTS AND METHODS: A systematic literature review of previous publications on monitoring disease progression in IIH and a meta-analysis to examine efficacy of method of monitoring employed in each study...
April 2019: Clinical Neurology and Neurosurgery
Tao Chang, Lihong Li, Yanlong Yang, Min Li, Yan Qu, Li Gao
BACKGROUND: Cerebral hemodynamic transformation is a relatively common finding in traumatic brain injury (TBI) patients. Knowledge of cerebral hemodynamic disturbance might be good for predicting the management outcome. Transcranial Doppler ultrasonography (TCD) monitoring of TBI patients can be used to reveal various pathological hemodynamic changes. OBJECTIVE: To compare the clinical outcomes of postoperative routine intracranial pressure (ICP) monitoring vs. ICP monitoring combined with TCD monitoring in patients with brain trauma after decompression craniectomy...
February 18, 2019: World Neurosurgery
(no author information available yet)
No abstract text is available yet for this article.
March 2019: American Journal of Surgery
Claudia L Craven, Roshini Ramkumar, Linda D'Antona, Simon D Thompson, Lewis Thorne, Laurence D Watkins, Ahmed K Toma
OBJECTIVEChronic ventriculomegaly in the absence of raised intracranial pressure (ICP) is a known entity in adult hydrocephalus practice. The natural history and indication for treatment is, however, poorly defined. A highly heterogeneous group, some adults with ventriculomegaly are asymptomatic, while others have life-threatening deteriorations. The authors hypothesized that the various presentations can be subtyped and represent different stages of decompensation. A cluster analysis was performed on a cohort of patients with chronic ventriculomegaly with the aim of elucidating typical clinical characteristics and outcomes in chronic ventriculomegaly in adults...
February 8, 2019: Journal of Neurosurgery
Alexander Lilja-Cyron, Morten Andresen, Jesper Kelsen, Trine Hjorslev Andreasen, Kåre Fugleholm, Marianne Juhler
BACKGROUND: Decompressive craniectomy (DC) is used in cases of severe intracranial hypertension or impending intracranial herniation. DC effectively lowers intracranial pressure (ICP) but carries a risk of severe complications related to abnormal ICP and/or cerebrospinal fluid (CSF) circulation, eg, hygroma formation, hydrocephalus, and "syndrome of the trephined." OBJECTIVE: To study the long-term effect of DC on ICP, postural ICP regulation, and intracranial pulse wave amplitude (PWA)...
February 15, 2019: Neurosurgery
Giovanna Brandi, Nino Stocchetti, Alberto Pagnamenta, Federica Stretti, Peter Steiger, Stephanie Klinzing
BACKGROUND: Hyperventilation-induced hypocapnia (HV) reduces elevated intracranial pressure (ICP), a dangerous and potentially fatal complication of traumatic brain injury (TBI). HV decreases the arteriolar diameter of intracranial vessels, raising the risk of cerebral ischemia. The aim of this study was to characterize the effects of moderate short-term HV in patients with severe TBI by using concomitant monitoring of cerebral metabolism, brain tissue oxygen tension (PbrO2 ), and cerebral hemodynamics with transcranial color-coded duplex sonography (TCCD)...
February 13, 2019: Critical Care: the Official Journal of the Critical Care Forum
Ching-Jen Chen, Dale Ding, Natasha Ironside, Thomas J Buell, Andrew M Southerland, Daniel Woo, Bradford B Worrall
OBJECTIVE: Despite no clear evidence from randomized trials, surgical intervention of spontaneous intracerebral hemorrhage (ICH) still occurs. We sought to describe the characteristics of patients undergoing surgical intervention in ICH. METHODS: Data from the Ethnic/Racial Variations of Intracerebral Hemorrhage (ERICH) study were analyzed, and ICH patients were categorized into surgical intervention or nonoperative management groups. Patients with primary intraventricular hemorrhage (IVH) and those without data regarding the use of surgical intervention data were excluded...
December 18, 2018: World Neurosurgery
Andreas Nørgaard Glud, Steen Jakobsen, Anne M Landau, Aage Kristian Olsen Alstrup, Jens Christian Hedemann Sørensen
BACKGROUND: Intrathecal (IT) delivery is useful in both basic research and clinical treatments. Here we aim to test a new minimally invasive distribution route to the subarachnoid space (SAS) and the flow of IT administrations. We placed a radioligand into SAS during positron emission tomography (PET) scanning as a proof of concept. NEW METHOD: We injected a 11 C-labeled PET-tracer using a surgically placed catheter in the cisterna magna of anesthetized female pigs...
February 7, 2019: Journal of Neuroscience Methods
Maitane I Orue-Echebarria, Javier Vaquero, Cristina J Lisbona, Pablo Lozano, Miguel A Steiner, Álvaro Morales, José Á López-Baena, Juan Laso, Inmaculada Hernández, Luis Olmedilla, José L García Sabrido, Isabel Peligros, Emma Sola, Carlos Carballal, Elena Vara, J M Asencio
INTRODUCTION: The term "Small-for-Flow" reflects the pathogenetic relevance of hepatic hemodynamics for the "Small-For-Size" syndrome and posthepatectomy liver failure. We aimed to characterize a large-animal model for studying the "Small-for-Flow" syndrome. METHODS: We performed subtotal (90%) hepatectomies in 10 female MiniPigs using a simplified transection technique with a tourniquet. Blood tests, hepatic and systemic hemodynamics, and hepatic function and histology were assessed before (Bas), 15 min (t-15 min) and 24 h (t-24 h) after the operation...
February 7, 2019: Journal of Gastrointestinal Surgery: Official Journal of the Society for Surgery of the Alimentary Tract
Danilo Cardim, Chiara Robba, Bernhard Schmidt, Joseph Donnelly, Eric A Schmidt, Michal Bohdanowicz, Peter Smielewski, Marek Czosnyka
BACKGROUND: In traumatic brain injury (TBI), swelling may disturb the potentially uniform pressure distribution in the brain, producing sustained intercompartmental pressure gradients which may associate with midline shift. The presence of pressure gradients is often neglected since bilateral invasive intracranial pressure (ICP) monitoring is not usually considered because of risks and high costs. We evaluated the presence of interhemispheric pressure gradients using bilateral transcranial Doppler (TCD) as means for non-invasive ICP (nICP) monitoring in TBI patients presenting midline shift...
February 4, 2019: Journal of Neurosurgical Sciences
Matthew Carvey
This case considers underdosing of analgesics as a prime contributor to hypertension in diffuse axonal injury (DAI) patients who are being mechanically ventilated. In the air medical environment, obtunded patients' hemodynamic parameters are the primary tools available in diagnosing complex disorders such as an acute rise in intracranial pressure (ICP) when invasive ICP monitoring is not available. Therefore, differential diagnoses must follow a continuum, from most severe to least, in order to deal with sudden-onset hypertension rapidly...
January 2019: Air Medical Journal
Bruno Ferreira Funchal, Maramélia Miranda Alves, Ítalo C Suriano, Feres Eduardo Chaddad-Neto, Maria E M R Ferraz, Gisele Sampaio Silva
METHODS: Decompressive craniectomy (DC) reduces mortality and improves outcome in patients with massive brain infarctions. The role of intracranial pressure (ICP) monitoring following DC for stroke has not been well established. We evaluated 14 patients admitted to a tertiary hospital with malignant middle cerebral artery infarctions, from October 2010 to February 2015, who underwent DC and had ICP monitoring. Patients with and without episodes of ICP elevation were compared. RESULTS: Fourteen patients were submitted to DC and had ICP monitoring following the procedure during the period...
December 2018: Arquivos de Neuro-psiquiatria
Yu-Zhi Gao, Qiang Li, Chun-Shuang Wu, Shao-Yun Liu, Mao Zhang
OBJECTIVES: As a noninvasive method for evaluation of cerebral hemodynamics, the correct interpretation of transcranial Doppler or transcranial imaging (TCI) data remains a major challenge. We explored how to interpret the pulsatility index (PI) derived via TCI during evaluations of cerebral hemodynamics in posthemicraniectomy patients. METHODS: We included patients who underwent invasive arterial pressure and intracranial pressure (ICP) monitoring and simultaneous TCI examinations after hemicraniectomy...
January 30, 2019: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
Gaurav Singh Tomar, Gyaninder Pal Singh, Parmod Bithal, Ashish Datt Upadhyay, Arvind Chaturvedi
Background: Chest physical therapy (CPT) can play a significant role in the prevention of mechanical and infectious complications in mechanically ventilated patients with traumatic brain injury (TBI). This study was intended to observe short-term impact of two different methods of CPT in such patients. Objective: The objective was to compare the effect of manual and mechanical techniques of CPT on intracranial pressure (ICP) along with hemodynamics in patients with severe TBI...
January 23, 2019: Physical Therapy
Khetam Hussein, Galit Rabino, Omri Feder, Haneen Eghbaryeh, Hiba Zayyad, Gil Sviri, Rima Benenson, Mical Paul
BACKGROUND: Cerebrospinal fluid (CSF) drainage or intracranial pressure (ICP) monitoring devices are life-saving devices. We examined the risk factors for infections related to them and assessed the effect of an infection control (IC) intervention. METHODS: A prospective observational study was conducted in the Neurosurgical Department of our hospital between 2014 and 2017. We included all consecutive patients undergoing CSF catheter insertions, including external ventricular drainage (EVD), lumbar drainage (LD), and ICP catheters...
January 22, 2019: Acta Neurochirurgica
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