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https://www.readbyqxmd.com/read/29692951/underwater-near-infrared-spectroscopy-can-measure-training-adaptations-in-adolescent-swimmers
#1
Ben Jones, Dave Parry, Chris E Cooper
The development of an underwater near-infrared spectroscopy (uNIRS) device has enabled previously unattainable measurements of peripheral muscle hemodynamics and oxygenation to be taken within the natural aquatic environment. The purposes of this study were (i) to trial the use of uNIRS, in a real world training study, and (ii) to monitor the effects of a swim training program upon muscle oxygenation status in short distance swimming. A total of 14 junior club level swimmers completed a repeated swim sprint test before and after an eight week endurance training program...
2018: PeerJ
https://www.readbyqxmd.com/read/29689281/fabrication-of-engineered-tubular-tissue-for-small-blood-vessels-via-three-dimensional-cellular-assembly-and-organization-ex-vivo
#2
Taisuke Masuda, Mitsuhiro Ukiki, Yuka Yamagishi, Michiya Matsusaki, Mitsuru Akashi, Utako Yokoyama, Fumihito Arai
Although there is a great need for suitable vascular replacements in clinical practice, much progress needs to be made toward the development of a fully functional tissue-engineered construct. We propose a fabrication method of engineered tubular tissue for small blood vessels via a layer-by-layer cellular assembly technique using mouse smooth muscle cells, the construction of a poly-(L-lactide-co-ε-caprolactone) (PLCL) scaffold, and integration in a microfluidic perfusion culture system. The cylindrical PLCL scaffold is incised, expanded, and its surface is laminated with the cell layers...
April 21, 2018: Journal of Biotechnology
https://www.readbyqxmd.com/read/29686490/autonomic-instability-in-a-dehydrated-child-on-guanfacine-case-report-and-literature-review
#3
Elizabeth Roach-Fox, Eva Welisch, Amrita Sarpal
An 8-year-old girl on guanfacine extended-release (GXR) for attention-deficit/hyperactivity disorder presented with somnolence, bradycardia and hypotension during a heat wave. No overdose was suspected. She was admitted to the intensive care unit for monitoring and ongoing fluid resuscitation for hypotension. Electrocardiogram showed intermittent atrioventricular dissociation. Upon restarting the drug post-discharge, blood pressures were normal, and follow-up electrocardiograms documented asymptomatic bradycardia but no dissociation...
April 2018: Paediatrics & Child Health
https://www.readbyqxmd.com/read/29684306/does-sphenopalatine-ganglion-block-improve-pain-control-and-intraoperative-hemodynamics-in-children-undergoing-palatoplasty-a-randomized-controlled-trial
#4
Anantanarayanan Parameswaran, Muruganand V Ganeshmurthy, Yashoda Ashok, Manikandhan Ramanathan, Anthony F Markus, Hermann F Sailer
PURPOSE: Children undergoing cleft palate repair have pain, dysphagia, and wound irritation in the immediate postoperative phase that may compromise surgical outcomes. This trial evaluates the efficacy of the sphenopalatine ganglion block (SPGB) in optimizing intraoperative hemodynamics and postoperative analgesia in children undergoing primary palatoplasty. MATERIALS AND METHODS: The study was designed as a prospective, double-blind, randomized controlled trial comparing the use of SPGB with general anesthesia (GA) (study group) versus the use of only GA (control group)...
March 30, 2018: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/29683007/perioperative-noninvasive-cardiac-output-monitoring-in-parturients-undergoing-cesarean-delivery-with-spinal-anesthesia-and-prophylactic-phenylephrine-drip-a-prospective-observational-cohort-study
#5
Sharon Orbach-Zinger, Ilya Bizman, Shlomo Firman, Shaul Lev, Roi Gat, Eran Ashwal, Mordehay Vaturi, Eitan Razinski, Atara Davis, Anat Shmueli, Leonid A Eidelman
INTRODUCTION: Spinal anesthesia for cesarean delivery is associated with high incidence of hypotension and is most often prevented by a prophylactic phenylephrine infusion (PPI). In this study, we aimed to identify maternal hemodynamic changes both intraoperatively and postoperatively with the use of the NICaS noninvasive cardiac output monitor in healthy singleton parturients undergoing cesarean delivery (CD) with spinal anesthesia and PPI. METHODS: Healthy term women undergoing spinal anesthesia for singleton CD were enrolled...
April 22, 2018: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/29678624/autonomic-cardiovascular-control-and-cardiac-arrhythmia-in-two-pregnant-women-with-hypertrophic-cardiomyopathy-insights-from-icd-monitoring
#6
Pietro Francia, Carmen Adduci, Beatrice Musumeci, Lorenzo Semprini, Francesca Palano, Luigi Zezza, Massimo Volpe, Camillo Autore
In women with hypertrophic cardiomyopathy (HCM), pregnancy prompts major changes in hemodynamic and cardiac autonomic function that may precipitate heart failure (HF) or increase the risk of cardiac arrhythmia. We report the clinical follow-up of two patients with non-obstructive HCM implanted with a cardioverter defibrillator (ICD) allowing for continuous analysis of heart rate (HR), heart rate variability (HRV) and cardiac arrhythmia throughout the entire course of pregnancy. Both patients experienced increased HR and decreased HRV from the early stages of pregnancy, which persisted until delivery...
April 17, 2018: Portuguese Journal of Cardiology: An Official Journal of the Portuguese Society of Cardiology
https://www.readbyqxmd.com/read/29678142/abnormally-low-bispectral-index-and-severe-hypoglycemia-during-maintenance-of-and-recovery-from-general-anesthesia-in-diabetic-retinopathy-surgery-two-case-reports
#7
Chunhua Xi, Chuxiong Pan, Tianzuo Li
BACKGROUND: Hypoglycemia is one of the most fatal complications during the perioperative period. General anesthesia or sedation can mask a hypoglycemia-altered mental status. Acute hypoglycemia might result in permanent brain injury. There is no way to detect hypoglycemia during general anesthesia, except for intermittent blood glucose monitoring. CASE PRESENTATION: Hypoglycemia is associated with changes in electroencephalogram readings. Here, we report two cases of patients with an abnormally low Bispectral Index (BIS) associated with diabetic retinopathy surgery, one in the recovery stage of general anesthesia and the other in the maintenance of general anesthesia...
April 20, 2018: BMC Anesthesiology
https://www.readbyqxmd.com/read/29677008/evolution-of-acute-kidney-injury-and-its-association-with-systemic-hemodynamics-in-children-with-fluid-refractory-septic-shock
#8
Akash Deep, Hiremath Sagar, Chulananda Goonasekera, Palaniswamy Karthikeyan, Joe Brierley, Abdel Douiri
OBJECTIVES: There are no studies in pediatrics evaluating the progression of acute kidney injury in septic shock. We investigated the evolution of sepsis-associated acute kidney injury and its association with systemic hemodynamics in children with fluid-refractory septic shock. DESIGN: Prospective cohort study. SETTING: PICU of a tertiary care hospital. PATIENTS: All patients with fluid-refractory septic shock (n = 61) between September 2010 and February 2014...
April 19, 2018: Critical Care Medicine
https://www.readbyqxmd.com/read/29675404/neonatal-hemodynamics-from-developmental-physiology-to-comprehensive-monitoring
#9
REVIEW
Sabine L Vrancken, Arno F van Heijst, Willem P de Boode
Maintenance of neonatal circulatory homeostasis is a real challenge, due to the complex physiology during postnatal transition and the inherent immaturity of the cardiovascular system and other relevant organs. It is known that abnormal cardiovascular function during the neonatal period is associated with increased risk of severe morbidity and mortality. Understanding the functional and structural characteristics of the neonatal circulation is, therefore, essential, as therapeutic hemodynamic interventions should be based on the assumed underlying (patho)physiology...
2018: Frontiers in Pediatrics
https://www.readbyqxmd.com/read/29674415/noninvasive-assessment-of-hemodynamic-stress-distribution-after-indirect-revascularization-for-pediatric-moyamoya-vasculopathy
#10
D Tortora, M Severino, M Pacetti, G Morana, M M Mancardi, V Capra, A Cama, M Pavanello, A Rossi
BACKGROUND AND PURPOSE: Indirect revascularization surgery is an effective treatment in children with Moyamoya vasculopathy. In the present study, we hypothesized that DSC-PWI may reliably assess the evolution of CBF-related parameters after revascularization surgery, monitoring the outcome of surgical pediatric patients with Moyamoya vasculopathy. Thus, we aimed to evaluate differences in DSC-PWI parameters, including the hemodynamic stress distribution, in surgical and nonsurgical children with Moyamoya vasculopathy and to correlate them with long-term postoperative outcome...
April 19, 2018: AJNR. American Journal of Neuroradiology
https://www.readbyqxmd.com/read/29673293/systemic-thrombolytic-therapy-for-massive-and-submassive-pulmonary-embolism
#11
Lauren A Igneri, John M Hammer
OBJECTIVE: To critically evaluate the published literature assessing the safety and efficacy of thrombolytic therapy for massive and submassive pulmonary embolism (PE). METHODS: A search of human trials in the English-language (September 2017) was conducted through the MEDLINE database using the following terms: PE, tissue plasminogen activator, tenecteplase, and alteplase. 67 unique articles were identified, of which 24 clinical trials discussing clinical outcomes related to administration of either intravenous tenecteplase or alteplase were included...
January 1, 2018: Journal of Pharmacy Practice
https://www.readbyqxmd.com/read/29671952/in-vivo-study-of-rat-cortical-hemodynamics-using-a-stereotaxic-apparatus-compatible-photoacoustic-microscope
#12
Heng Guo, Qian Chen, Weizhi Qi, Xingxing Chen, Lei Xi
Brain imaging is an important technique in cognitive neuroscience. In this paper, we designed a stereotaxic-apparatus-compatible photoacoustic microscope for studies of rat cortical hemodynamics. Compared with existing OR-PAM systems, the probe owns feature of fast, light, and miniature. In this microscope, we integrated a miniaturized ultrasound transducer with a center frequency of 10 MHz to detect photoacoustic signals and a two-dimensional (2D) micro-electro-mechanical system (MEMS) scanner to achieve raster scanning of the optical focus...
April 19, 2018: Journal of Biophotonics
https://www.readbyqxmd.com/read/29668596/predictors-of-in-hospital-mortality-in-a-cohort-of-elderly-egyptian-patients-with-acute-upper-gastrointestinal-bleeding
#13
Mohamed A Elsebaey, Heba Elashry, Tamer A Elbedewy, Ahmed A Elhadidy, Noha E Esheba, Sherif Ezat, Manal Saad Negm, Yousry Esam-Eldin Abo-Amer, Mohamed El Abgeegy, Heba Fadl Elsergany, Loai Mansour, Sherief Abd-Elsalam
Acute upper gastrointestinal bleeding (UGIB) affects large number of elderly with high rates of morbidity and mortality. Early identification and management of the factors predicting in-hospital mortality might decrease mortality. This study was conducted to identify the causes of acute UGIB and the predictors of in-hospital mortality in elderly Egyptian patients.286 elderly patients with acute UGIB were divided into: bleeding variceal group (161 patients) and bleeding nonvariceal group (125 patients). Patients' monitoring was done during hospitalization to identify the risk factors that might predict in-hospital mortality in elderly...
April 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29668462/electrodermal-activity-monitoring-during-endotracheal-suction-in-sedated-adult-intensive-care-unit-patients
#14
Theodoros Aslanidis, Vasilios Grosomanidis, Konstantinos Karakoulas, Athanasios Chatzisotiriou
BACKGROUND: Endotracheal suctioning of respiratory secretions is one of the most common causes of pain and discomfort in Intensive Care Unit environment. The electrical properties of the skin, also known as electrodermal activity (EDA), are considered as an indirect measure of autonomous nervous system. AIM: This study explores EDA changes during endotracheal suction in sedated adult critical care patients; and compares these changes to other monitoring parameters...
March 1, 2018: Folia Medica
https://www.readbyqxmd.com/read/29664900/accuracy-and-precision-of-scvo2-measured-with-the-cevox-device-a-prospective-study-in-patients-with-a-wide-variation-of-scvo2-values
#15
Alexander Herner, Bernhard Haller, Ulrich Mayr, Sebastian Rasch, Lea Offman, Roland Schmid, Wolfgang Huber
INTRODUCTION: Central-venous oxygen saturation (ScvO2) is a key parameter of hemodynamic monitoring and has been suggested as therapeutic goal for resuscitation. Several devices offer continuous monitoring features. The CeVOX-device (Pulsion Medical Systems) uses a fibre-optic probe inserted through a conventional central-venous catheter (CVC) to obtain continuous ScvO2. OBJECTIVES: Since there is a lack of studies validating the CeVOX, we prospectively analyzed data from 24 patients with CeVOX-monitoring...
2018: PloS One
https://www.readbyqxmd.com/read/29663822/the-effect-of-intrathecal-sufentanil-preconditioning-against-myocardial-ischemia-reperfusion-injury
#16
Y Tire, G Sarkilar, H Esen, R Onoglu, S T Uzun
OBJECTIVES: We aimed to investigate the cardioprotective effect and hemodynamic response of intrathecally administered sufentanil on myocardial IR injury. BACKGROUND: Sufentanil, mu opioid receptor agonist, intravenously administered during clinical and experimental studies, has been shown to have a cardioprotective effect on myocardial ischemia-reperfusion injury. METHODS: Thirty-two New Zealand type rabbits, which were anesthetized, were divided into four equal groups: sham, ischemia-reperfusion, sufentanil and ischemia-reperfusion+sufentanil...
2018: Bratislavské Lekárske Listy
https://www.readbyqxmd.com/read/29663283/eeg-artifact-versus-subclinical-status-epilepticus-in-a-patient-following-cardiac-arrest
#17
Jean E Cibula, Daniel S Demos, Brenda G Fahy
BACKGROUND: A challenge in ICU EEG interpretation is identifying subclinical status epilepticus versus patterns on the ictal-interictal continuum versus other repetitive patterns. In the electrically noisy intensive care unit, identifying and eliminating interference and artifact allow accurate diagnoses from the EEG, avoiding unnecessary treatment or sedation. METHODS: We present a case during Impella (Abiomed Inc, Danvers, MA) continuous flow left ventricular assist device use where the EEG artifact was initially misinterpreted as seizure by the resident and treated as status epilepticus because of the "focal" sharply contoured repetitive pattern...
April 16, 2018: Neurocritical Care
https://www.readbyqxmd.com/read/29661193/simulation-of-phase-contrast-angiography-for-renal-arterial-models
#18
Artur Klepaczko, Piotr Szczypiński, Michał Strzelecki, Ludomir Stefańczyk
BACKGROUND: With the development of versatile magnetic resonance acquisition techniques there arises a need for more advanced imaging simulation tools to enable adequate image appearance prediction, measurement sequence design and testing thereof. Recently, there is a growing interest in phase contrast angiography (PCA) sequence due to the capabilities of blood flow quantification that it offers. Moreover, as it is a non-contrast enhanced protocol, it has become an attractive option in areas, where usage of invasive contrast agents is not indifferent for the imaged tissue...
April 16, 2018: Biomedical Engineering Online
https://www.readbyqxmd.com/read/29657059/pregnancy-in-women-with-congenital-heart-disease-need-for-new-techniques-in-hemodynamic-monitoring
#19
EDITORIAL
L Baris, J W Roos-Hesselink
No abstract text is available yet for this article.
June 15, 2018: International Journal of Cardiology
https://www.readbyqxmd.com/read/29652271/prophylactic-preoperative-levosimendan-for-off-pump-coronary-artery-bypass-grafting-in-patients-with-left-ventricular-dysfunction-single-centered-randomized-prospective-study
#20
Pushkar Mahendra Desai, Manjula S Sarkar, Sanjeeta R Umbarkar
Background: Off-pump coronary artery bypass surgery (OPCAB) is often complicated by hemodynamic instability, especially in patients with prior left ventricular (LV) dysfunction and appropriate choice of inotrope plays a vital role in perioperative management of these patients. Aim and Objective: To study hemodynamic effects and immediate outcome of prophylactic infusion of levosimendan in patients with the LV dysfunction undergoing OPCAB surgery and whether this strategy helps in successful conduct of OPCAB surgery...
April 2018: Annals of Cardiac Anaesthesia
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