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https://www.readbyqxmd.com/read/28227080/a-comparison-between-four-techniques-to-measure-cardiac-output
#1
A Pironet, P C Dauby, J G Chase, P Morimont, N Janssen, B Lambermont, S Davidson, T Desaive, A Pironet, P C Dauby, J G Chase, P Morimont, N Janssen, B Lambermont, S Davidson, T Desaive, T Desaive, B Lambermont, P C Dauby, N Janssen, P Morimont, A Pironet, J G Chase, S Davidson
Cardiac output is an important variable when monitoring hemodynamic status. In particular, changes in cardiac output represent the goal of several circulatory management therapies. Unfortunately, cardiac output is very difficult to estimate, either in experimental or clinical settings. The goal of this work is to compare four techniques to measure cardiac output: pressure-volume catheter, aortic flow probe, thermodilution, and the PiCCO monitor. These four techniques were simultaneously used during experiments of fluid and endotoxin administration on 7 pigs...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28226898/inductive-passive-sensor-for-intraparenchymal-and-intraventricular-monitoring-of-intracranial-pressure
#2
Mohammad H Behfar, Emily Abada, Lauri Sydanheimo, Ken Goldman, Aaron J Fleischman, Nalin Gupta, Leena Ukkonen, Shuvo Roy, Mohammad H Behfar, Emily Abada, Lauri Sydanheimo, Ken Goldman, Aaron J Fleischman, Nalin Gupta, Leena Ukkonen, Shuvo Roy, Lauri Sydanheimo, Aaron J Fleischman, Leena Ukkonen, Mohammad H Behfar, Nalin Gupta, Shuvo Roy, Ken Goldman, Emily Abada
Accurate measurement of intracranial hypertension is crucial for the management of elevated intracranial pressure (ICP). Catheter-based intraventricular ICP measurement is regarded as the gold standard for accurate ICP monitoring. However, this method is invasive, time-limited, and associated with complications. In this paper, we propose an implantable passive sensor that could be used for continuous intraparenchymal and intraventricular ICP monitoring. Moreover, the sensor can be placed simultaneously along with a cerebrospinal fluid shunt system in order to monitor its function...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28226778/simulation-of-motor-current-waveforms-in-monitoring-aortic-valve-state-during-ventricular-assist-device-support
#3
Khalid A Alonazi, Nigel H Lovell, Socrates Dokos, Khalid A Alonazi, Nigel H Lovell, Socrates Dokos, Khalid A Alonazi, Socrates Dokos, Nigel H Lovell
Monitoring of aortic valve (AV) opening and closure during left ventricular assist device (LVAD) heart pump support is crucial in preventing AV abnormalities and remodeling caused by anomalous resirculation. In this study, simulations of LVAD motor current waveforms were undertaken to investigate AV response to rotary blood pump assistance, as well as to detect AV open and close status under heart failure conditions. A two-dimensional fluid-structure interaction finite-element model is presented to predict AV state during LVAD outflow...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28225424/committee-opinion-no-689-delivery-of-a-newborn-with-meconium-stained-amniotic-fluid
#4
(no author information available yet)
In 2006, the American Academy of Pediatrics and the American Heart Association published the 2005 guidelines on neonatal resuscitation. Before the 2005 guidelines, management of a newborn with meconium-stained amniotic fluid included suctioning of the oropharynx and nasopharynx on the perineum after the delivery of the head but before the delivery of the shoulders. The 2005 guidelines did not support this practice because routine intrapartum suctioning does not prevent or alter the course of meconium aspiration syndrome in vigorous newborns...
March 2017: Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28225419/committee-opinion-no-689-summary-delivery-of-a-newborn-with-meconium-stained-amniotic-fluid
#5
(no author information available yet)
In 2006, the American Academy of Pediatrics and the American Heart Association published the 2005 guidelines on neonatal resuscitation. Before the 2005 guidelines, management of a newborn with meconium-stained amniotic fluid included suctioning of the oropharynx and nasopharynx on the perineum after the delivery of the head but before the delivery of the shoulders. The 2005 guidelines did not support this practice because routine intrapartum suctioning does not prevent or alter the course of meconium aspiration syndrome in vigorous newborns...
March 2017: Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28223850/unusual-etiology-of-gastrointestinal-symptoms-the-case-of-jojoba-butter
#6
Michael R Minckler, Joseph Fisher, Rachel Bowers, Richard Amini
BACKGROUND: Jojoba butter is cyanogenic and has gained attention among herbal supplement consumers due to claims that it may aid in weight loss. Jojoba butter is extracted from the seeds of jojoba shrubs found in the Sonoran Desert. The seeds have long been recognized as inedible, however clinical symptoms following ingestion are not well documented. CASE REPORT: This report describes a patient who developed restlessness and gastrointestinal complaints following ingestion of homemade jojoba seed butter...
2017: Open Access Emergency Medicine: OAEM
https://www.readbyqxmd.com/read/28223509/high-throughput-screening-of-rare-metabolically-active-tumor-cells-in-pleural-effusion-and-peripheral-blood-of-lung-cancer-patients
#7
Yin Tang, Zhuo Wang, Ziming Li, Jungwoo Kim, Yuliang Deng, Yan Li, James R Heath, Wei Wei, Shun Lu, Qihui Shi
Malignant pleural effusion (MPE), the presence of malignant cells in pleural fluid, is often the first sign of many cancers and occurs in patients with metastatic malignancies. Accurate detection of tumor cells in pleural fluid is crucial because the presence of MPE denotes an advanced stage of disease and directs a switch in clinical managements. Cytology, as a traditional diagnostic tool, has limited sensitivity especially when tumor cells are not abundant, and may be confounded by reactive mesothelial cells in the pleural fluid...
February 21, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28220718/the-big-imitator-strikes-again-a-case-report-of-neurosyphilis-in-a-patient-with-newly-diagnosed-hiv
#8
Sévérine de Bruijn, Chris Kenyon, Nicolas Léonard, Erika Vlieghe
BACKGROUND: Neurosyphilis is the result of an infection of the central nervous system caused by the spirochete Treponema pallidum. Its clinical presentation includes meningovascular syphilis, tabes dorsalis, and dementia paralytica, resulting in a wide range of symptoms such as psychosis, Parkinsonism, and depression. CASE REPORT: A 49-year-old male was admitted to a psychiatric hospital because of social withdrawal and self-neglect, indicative of a major depression...
February 21, 2017: Acta Clinica Belgica
https://www.readbyqxmd.com/read/28219399/noninvasive-detection-of-alarming-intracranial-pressure-changes-by-auditory-monitoring-in-early-management-of-brain-injury-a-prospective-invasive-versus-noninvasive-study
#9
Fabrice Giraudet, François Longeras, Aurélien Mulliez, Aurélie Thalamy, Bruno Pereira, Paul Avan, Laurent Sakka
BACKGROUND: In brain-injured patients intracranial pressure (ICP) is monitored invasively by a ventricular or intraparenchymal transducer. The procedure requires specific expertise and exposes the patient to complications such as malposition, hemorrhage or infection. As inner-ear fluid compartments are connected to the cerebrospinal fluid space, ICP changes elicit subtle changes in the physiology of the inner ear. Notably, we previously demonstrated that the phase of cochlear microphonic potential (CM) generated by sound stimuli rotates with ICP...
February 21, 2017: Critical Care: the Official Journal of the Critical Care Forum
https://www.readbyqxmd.com/read/28219319/biomarkers-in-alzheimer-s-disease-recent-update
#10
Sushil Sharma, Walter Lipincott
Alzheimer disease (AD) is an age-related neurodegenerative disorder, characterized by loss of memory and cognitive function. It is the common cause of dementia in elderly and is a global health concern as the population of people aged 85 and older, is growing alarmingly. Although pharmacotherapy for the treatment of AD has improved, lot of work remains to treat this devastating disease. AD pathology begins even before the onset of clinical symptoms. Because therapies could be more effective if implemented early in the disease progression, it is highly prudent to discover reliable biomarkers, to detect its exact pathophysiology during pre-symptomatic stage...
February 20, 2017: Current Alzheimer Research
https://www.readbyqxmd.com/read/28218404/topical-medication-instillation-techniques-for-glaucoma
#11
REVIEW
Li Xu, Xuemei Wang, Meijing Wu
BACKGROUND: Glaucoma is a leading cause of irreversible blindness worldwide and the second most common cause of blindness after cataracts. The primary treatment for glaucoma aims to lower intraocular pressure (IOP) with the use of topical medicines. Topical medication instillation techniques, such as eyelid closure and nasolacrimal occlusion when instilling drops, have been proposed as potential methods to increase ocular absorption and decrease systemic absorption of the drops. OBJECTIVES: To investigate the effectiveness of topical medication instillation techniques compared with usual care or another method of instillation of topical medication in the management of glaucoma or ocular hypertension...
February 20, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28217607/concurrent-central-nervous-system-infective-pathology-in-a-severely-immunocompromised-patient
#12
Thein Swe, Bordes P Laurent, Nickul N Shah
To our knowledge and literature search, concurrent cryptococcal meningitis and neurosyphilis in a patient have rarely been reported. Here, we report a 37-year-old male with HIV infection presented with headache and dizziness for 5 days along with memory difficulty and personality changes for about 1 week. During the hospital stay, cryptococcal meningitis was confirmed with positive cerebral spinal fluid (CSF) cryptococcal antigen titer (1:320) and positive CSF culture. Diagnosis of neurosyphilis was made based upon CSF white blood cell count of 85 cells/μL, with CSF total protein of 87 mg/dL, reactive CSF treponemal antibody, and fluorescent treponemal antibody...
July 2016: Journal of Family Medicine and Primary Care
https://www.readbyqxmd.com/read/28217380/parasagittal-meningiomas-our-surgical-experience-and-the-reconstruction-technique-of-the-superior-sagittal-sinus
#13
Alessandro Ricci, Hambra Di Vitantonio, Danilo De Paulis, Mattia Del Maestro, Massimo Gallieni, Soheila Raysi Dechcordi, Sara Marzi, Renato Juan Galzio
BACKGROUND: The radical resection of parasagittal meningiomas without complications and recurrences is the goal of the neurosurgeon. Nowadays, different managements are proposed. This study describes our surgical technique during the lesional excision and the reconstruction of the superior sagittal sinus (SSS). METHODS: The total removal (Simpson I and II) of parasagittal meningiomas (WHO grade I and II) was obtained in 75 patients from September 2000 to January 2010...
2017: Surgical Neurology International
https://www.readbyqxmd.com/read/28217162/a-rare-case-of-giant-occipital-meningocele-with-dandy-walker-syndrome-can-it-grow-bigger-than-this
#14
Dipanker Singh Mankotia, Guru Dutta Satyarthee, Bhoopendra Singh, Bhawani Shankar Sharma
Association of Dandy-Walker syndrome with occipital meningocele (OMC) is extremely rare and about thirty cases are reported till date in the Western literature. However, OMC is classified by Talamonti et al. into small, large, and giant categories with respective diameters were upto 5 cm in small, large with 5-9 cm, and giant with >9 cm. Usually the size of OMC progressively increases as raised intracranial pressure leads to compensatory cerebrospinal fluid escape into sac with the growth of children. Authors report an interesting case of an 18-month-old female child with extra-gigantic OMC, whose size was almost same since birth, representing the first case of its kind, who underwent successful surgical repair...
October 2016: Journal of Pediatric Neurosciences
https://www.readbyqxmd.com/read/28217157/emergency-anesthesia-for-evacuating-a-traumatic-acute-subdural-hemorrhage-in-a-child-overdosed-with-hypertonic-saline
#15
Chulananda Goonasekera, James Bedford, Sodhi Harpreet, Mariangela Giombini, Asme Sheikh
A previously healthy 1-year-old child with a traumatic acute subdural hemorrhage received 10 times higher dose of hypertonic saline inadvertently immediately before surgery. This case report describes deviations in fluid management needed to alleviate salt toxicity and its adverse effects during surgery under anesthesia perioperatively. The child made an uneventful recovery with no evident residual damage at follow-up.
October 2016: Journal of Pediatric Neurosciences
https://www.readbyqxmd.com/read/28216863/efficacy-and-safety-of-povidone-iodine-pleurodesis-in-malignant-pleural-effusions
#16
Hadi Kahrom, Manouchehr Aghajanzadeh, Mohammad Reza Asgari, Mahdi Kahrom
INTRODUCTION: Malignant pleural effusion (MPE) is determined by the detection of malignant cells in pleural fluid or pleural tissue. Neoplasm of lung, breast, ovary and lymphoma are the causes of more than 75% of MPE. Pleurodesis is a usual technique in the management of MPE to achieve a symphysis between two layers of the pleura, and various chemical agents have been used in an attempt to produce pleurodesis. With regard to complications and limitations of these sclerosing agents, efficacy and safety of povidone-iodine have been investigated in this study...
January 2017: Indian Journal of Palliative Care
https://www.readbyqxmd.com/read/28216579/a-plant-proteinase-inhibitor-from-enterolobium-contortisiliquum-attenuates-pulmonary-mechanics-inflammation-and-remodeling-induced-by-elastase-in-mice
#17
Osmar Aparecido Theodoro-Júnior, Renato Fraga Righetti, Rafael Almeida-Reis, Bruno Tadeu Martins-Oliveira, Leandro Vilela Oliva, Carla Máximo Prado, Beatriz Mangueira Saraiva-Romanholo, Edna Aparecida Leick, Nathalia Montouro Pinheiro, Yara Aparecida Lobo, Mílton de Arruda Martins, Maria Luiza Vilela Oliva, Iolanda de Fátima Lopes Calvo Tibério
Proteinase inhibitors have been associated with anti-inflammatory and antioxidant activities and may represent a potential therapeutic treatment for emphysema. Our aim was to evaluate the effects of a plant Kunitz proteinase inhibitor, Enterolobium contortisiliquum trypsin inhibitor (EcTI), on several aspects of experimental elastase-induced pulmonary inflammation in mice. C57/Bl6 mice were intratracheally administered elastase (ELA) or saline (SAL) and were treated intraperitoneally with EcTI (ELA-EcTI, SAL-EcTI) on days 1, 14 and 21...
February 14, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28216208/a-rare-case-of-pediatric-lumbar-spinal-ependymoma-mimicking-meningitis
#18
Ezeali Mike Ekuma, Kiyoshi Ito, Akihiro Chiba, Yosuke Hara, Kohei Kanaya, Tetsuyoshi Horiuchi, Samuel Ohaegbulam, Kazuhiro Hongo
Spontaneous acute subarachnoid hemorrhage (SAH) from lumbar ependymoma in children is rare. We report a case of a14-year-old boy who developed sudden radicular low back pain while playing baseball. He was initially managed conservatively in a local hospital for suspected lumbar disc herniation, but later developed meningeal symptoms and fever before being referred to our hospital. There he underwent a diagnostic lumbar puncture in the emergency room; his cerebrospinal fluid suggested an SAH. Physical examination showed meningeal signs and cauda equina features...
February 12, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28216180/utility-of-16s-rrna-pcr-performed-on-clinical-specimens-in-patient-management
#19
A Akram, M Maley, I Gosbell, T Nguyen, R Chavada
BACKGROUND: Broad range PCR 16S rRNA can be used for detection and identification of bacteria from clinical specimens in patients with high suspicion of infection and negative cultures. Aim of this study was 1) to compare 16S rRNA PCR (16S) results with microbiological cultures 2) to assess utility of 16S on antimicrobial therapy 3) to compare the yield of 16S on different type of clinical specimen and cost analysis of test. METHODS: A retrospective study was done on different clinical specimens which had 16S performed over 3 years (2012-2015)...
February 16, 2017: International Journal of Infectious Diseases: IJID
https://www.readbyqxmd.com/read/28214636/a-case-of-evolving-bilateral-sphenoidal-meningoencephalocoeles-case-report-and-review-of-literature
#20
Varun Aggarwal, Pankaj Shivhare, E R Jayadevan, Vinod Felix, Mathew Abraham, Suresh Nair, Prakash Nair
The evolution of sphenoid sinus meningoencephalocoeles and cerebrospinal fluid (CSF) rhinorrhoea is poorly understood. We present a case demonstrating the gradual evolution of encephalocoeles from both the lateral walls of a previously normal sphenoid sinus in a patient with dural arteriovenous fistula (DAVF), the CSF leak which developed following staged embolisation of the DAVF was managed by an endoscopic endonasal transpterygoid approach. Our findings suggest that over a period of time, chronic elevation of intracranial pressure (ICP) results in gradual erosion of the lateral wall of the sphenoid with development of meningoencephalocoeles and CSF leaks...
February 15, 2017: World Neurosurgery
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