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non invasive hemodynamic monitoring

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https://www.readbyqxmd.com/read/27903458/cardiac-arrest-among-patients-with-infections-causes-clinical-practice-and-research-implications
#1
REVIEW
Davide Leoni, Jordi Rello
The incidence of sepsis is increasing, and the condition is now the leading cause of death in general intensive care units (ICUs). Our review failed to identify studies of the causes of cardiac arrest among infected patients, even though non-cardiac causes represent 15% of out-of-hospital cardiac arrests and though one-third of events have positive blood cultures. Sudden cardiac arrest is the result of local damage to the heart and of the impact of systemic and pulmonary conditions on cardiac performance, and its danger is underestimated...
November 26, 2016: Clinical Microbiology and Infection
https://www.readbyqxmd.com/read/27878445/can-non-invasive-ventilation-modify-central-venous-pressure-comparison-between-invasive-measurement-and-ultrasonographic-evaluation
#2
Maurizio Zanobetti, Alessio Prota, Alessandro Coppa, Laura Giordano, Sofia Bigiarini, Peiman Nazerian, Francesca Innocenti, Alberto Conti, Federica Trausi, Simone Vanni, Giuseppe Pepe, Riccardo Pini
Central venous pressure (CVP) is primarily measured to assess intravascular volume status and heart preload. In clinical practice, the measuring device most commonly used in emergency departments and intensive care units, is an electronic transducer that interconnects a central venous catheter (CVC) with a monitoring system. Non-invasive ventilation (NIV) consists in a breathing support that supplies a positive pressure in airways through a mask or a cask though not using an endotracheal prosthesis. In emergency settings, non-invasive ultrasonography evaluation of CVP, and hence of intravascular volume status entail the measurement by a subxiphoid approach of inferior vena cava diameter and its variations in relation to respiratory activity...
November 22, 2016: Internal and Emergency Medicine
https://www.readbyqxmd.com/read/27874050/automatic-identification-of-systolic-time-intervals-in-seismocardiogram
#3
Ghufran Shafiq, Sivanagaraja Tatinati, Wei Tech Ang, Kalyana C Veluvolu
Continuous and non-invasive monitoring of hemodynamic parameters through unobtrusive wearable sensors can potentially aid in early detection of cardiac abnormalities, and provides a viable solution for long-term follow-up of patients with chronic cardiovascular diseases without disrupting the daily life activities. Electrocardiogram (ECG) and siesmocardiogram (SCG) signals can be readily acquired from light-weight electrodes and accelerometers respectively, which can be employed to derive systolic time intervals (STI)...
November 22, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27849259/reduced-systolic-volume-main-pathophysiological-mechanism-in-patients-with-orthostatic-intolerance
#4
Maria Zildany P Távora-Mehta, Niraj Mehta, Adriano Magajevski, Larissa de Oliveira, Débora Lee Smith Maluf, Letícia Concato, Eduardo Doubrawa, Márcio Rogério Ortiz, Cláudio L Pereira da Cunha
BACKGROUND: Orthostatic intolerance patients' pathophysiological mechanism is still obscure, contributing to the difficulty in their clinical management. OBJECTIVE: To investigate hemodynamic changes during tilt test in individuals with orthostatic intolerance symptoms, including syncope or near syncope. METHODS: Sixty-one patients who underwent tilt test at - 70° in the phase without vasodilators were divided into two groups. For data analysis, only the first 20 minutes of tilting were considered...
October 2016: Arquivos Brasileiros de Cardiologia
https://www.readbyqxmd.com/read/27794361/the-vulnerable-microcirculation-in-the-critically-ill-pediatric-patient
#5
REVIEW
J W Kuiper, D Tibboel, C Ince
In neonates, cardiovascular system development does not stop after the transition from intra-uterine to extra-uterine life and is not limited to the macrocirculation. The microcirculation (MC), which is essential for oxygen, nutrient, and drug delivery to tissues and cells, also develops. Developmental changes in the microcirculatory structure continue to occur during the initial weeks of life in healthy neonates. The physiologic hallmarks of neonates and developing children make them particularly vulnerable during critical illness; however, the cardiovascular monitoring possibilities are limited compared with critically ill adult patients...
October 30, 2016: Critical Care: the Official Journal of the Critical Care Forum
https://www.readbyqxmd.com/read/27764869/-hemodynamic-monitoring-basic-monitoring
#6
Torsten Schröder
Basic haemodynamic monitoring is an essential part of the anaesthesia work place. This includes Monitoring of ECG, blood pressure and pulse oximetry. For early assessement of perioperative complications every patient should have a basic haemodynamic monitoring, independant of current health status or the type of anaesthesia applied. Knowledge of function, principles and limitations ais necessary for proper interpretation of the measured values. Here, we describe the function and application of ECG, non - invasive intermittent blood pressure and pulse oximetry in the perioperative setting...
October 2016: Anästhesiologie, Intensivmedizin, Notfallmedizin, Schmerztherapie: AINS
https://www.readbyqxmd.com/read/27727026/best-practice-for-perioperative-management-of-patients-with-cytoreductive-surgery-and-hipec
#7
C Raspé, L Flöther, R Schneider, M Bucher, P Piso
Due to the significantly improved outcome and quality of life of patients with different tumor entities after cytoreductive surgery (CRS) and HIPEC, there is an increasing number of centers performing CRS and HIPEC procedures. As this procedure is technically challenging with potential high morbidity and mortality, respectively, institutional experience also in the anesthetic and intensive care departments is essential for optimal treatment and prevention of adverse events. Clinical pathways have to be developed to achieve also good results in more comorbid patients with border line indications and extensive surgical procedures...
September 28, 2016: European Journal of Surgical Oncology
https://www.readbyqxmd.com/read/27723828/role-of-transcranial-doppler-in-the-evaluation-of-vasculopathy-in-tuberculous-meningitis
#8
Mei-Ling Sharon Tai, Vijay K Sharma
BACKGROUND: Vascular complications are important causes of cerebral infarction in tuberculous meningitis (TBM).Transcranial Doppler ultrasonography (TCD) is a non-invasive tool that can provide real-time information about cerebral hemodynamics. However, the literature on the role of TCD in the diagnosis or monitoring of vasculopathy associated with TBM is scarce. We explored the role of TCD in the diagnosis and monitoring of TBM-related vasculopathy of the major intracranial arteries...
2016: PloS One
https://www.readbyqxmd.com/read/27722956/measurement-of-arterial-stiffness-a-novel-tool-of-risk-stratification-in-hypertension
#9
János Nemcsik, Orsolya Cseprekál, András Tislér
Cardiovascular diseases are the leading causes of morbidity and mortality in industrialized countries worldwide, despite highly effective preventive treatments available. As a difference continues to exist between the estimated and true number of events, further improvement of risk stratification is an essential part of cardiovascular research.Among hypertensive patients measurement of arterial stiffness parameters, like carotid-femoral pulse wave velocity (cfPWV) or brachial-ankle pulse wave velocity (baPWV) can contribute to the identification of high-risk subpopulation of patients...
October 9, 2016: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/27721647/optical-coherence-tomography-for-brain-imaging-and-developmental-biology
#10
Jing Men, Yongyang Huang, Jitendra Solanki, Xianxu Zeng, Aneesh Alex, Jason Jerwick, Zhan Zhang, Rudolph E Tanzi, Airong Li, Chao Zhou
Optical coherence tomography (OCT) is a promising research tool for brain imaging and developmental biology. Serving as a three-dimensional optical biopsy technique, OCT provides volumetric reconstruction of brain tissues and embryonic structures with micrometer resolution and video rate imaging speed. Functional OCT enables label-free monitoring of hemodynamic and metabolic changes in the brain in vitro and in vivo in animal models. Due to its non-invasiveness nature, OCT enables longitudinal imaging of developing specimens in vivo without potential damage from surgical operation, tissue fixation and processing, and staining with exogenous contrast agents...
July 2016: IEEE Journal of Selected Topics in Quantum Electronics
https://www.readbyqxmd.com/read/27699112/continuous-cerebral-hemodynamic-measurement-during-deep-hypothermic-circulatory-arrest
#11
David R Busch, Craig G Rusin, Wanda Miller-Hance, Kathy Kibler, Wesley B Baker, Jeffrey S Heinle, Charles D Fraser, Arjun G Yodh, Daniel J Licht, Kenneth M Brady
While survival of children with complex congenital heart defects has improved in recent years, roughly half suffer neurological deficits suspected to be related to cerebral ischemia. Here we report the first demonstration of optical diffuse correlation spectroscopy (DCS) for continuous and non-invasive monitoring of cerebral microvascular blood flow during complex human neonatal or cardiac surgery. Comparison between DCS and Doppler ultrasound flow measurements during deep hypothermia, circulatory arrest, and rewarming were in good agreement...
September 1, 2016: Biomedical Optics Express
https://www.readbyqxmd.com/read/27631447/-control-of-hemodynamic-and-cerebral-perfusion-in-children-which-monitoring-should-be-used
#12
Claudia Höhne
Options for hemodynamic and cerebral perfusion monitoring in pediatric anesthesia are limited, but it should be used to reduce the potential damage due to hypotension and reduced cerebral perfusion. Non-invasive blood pressure measurement should be used in all cases of pediatric anesthesia and near-infrared spectroscopy for risk pediatric patients. In former times measurement of non-invasive blood pressure had no priority, this is not state of the art based on current data.
September 2016: Anästhesiologie, Intensivmedizin, Notfallmedizin, Schmerztherapie: AINS
https://www.readbyqxmd.com/read/27620877/low-cardiac-index-and-stroke-volume-on-admission-are-associated-with-poor-outcome-in-critically-ill-burn-patients-a-retrospective-cohort-study
#13
Sabri Soussi, Benjamin Deniau, Axelle Ferry, Charlotte Levé, Mourad Benyamina, Véronique Maurel, Maïté Chaussard, Brigitte Le Cam, Alice Blet, Maurice Mimoun, Jêrome Lambert, Marc Chaouat, Alexandre Mebazaa, Matthieu Legrand
BACKGROUND: Impact of early systemic hemodynamic alterations and fluid resuscitation on outcome in the modern burn care remains controversial. We investigate the association between acute-phase systemic hemodynamics, timing of fluid resuscitation and outcome in critically ill burn patients. METHODS: Retrospective, single-center cohort study was conducted in a university hospital. Forty critically ill burn patients with total body surface area (TBSA) burn-injured >20 % with invasive blood pressure and cardiac output monitoring (transpulmonary thermodilution technique) within 8 h from trauma were included...
December 2016: Annals of Intensive Care
https://www.readbyqxmd.com/read/27614555/monitoring-of-foot-oxygenation-with-near-infrared-spectroscopy-in-patients-with-critical-limb-ischemia-undergoing-percutaneous-transluminal-angioplasty-a-pilot-study
#14
R P E Boezeman, B P Becx, D A F van den Heuvel, Ç Ünlü, J A Vos, J P P M de Vries
OBJECTIVE: Near-infrared spectroscopy (NIRS) non-invasively determines tissue oxygen saturation (Sto2) in muscle tissue. Its application to monitor real time hemodynamic changes during percutaneous transluminal angioplasty (PTA) and Sto2 changes in feet 4 weeks after PTA was evaluated. METHODS: This study included 14 patients with critical limb ischemia (CLI, six patients Rutherford classification Stage IV, two patients Stage V, and six patients Stage VI). In patients with arterial ulcers, NIRS optodes were placed near the ulcer of the diseased foot (Optode 1), and at the same spot at the contralateral foot (Optode 2)...
September 7, 2016: European Journal of Vascular and Endovascular Surgery
https://www.readbyqxmd.com/read/27572624/intra-dialytic-blood-oxygen-saturation-so2-association-with-dialysis-hypotension-the-soglia-study
#15
E Mancini, C Perazzini, L Gesualdo, F Aucella, A Limido, F Scolari, S Savoldi, M Tramonti, L Corazza, M Atti, S Severi, P Bolasco, A Santoro
BACKGROUND: Intradialytic hypotension (IDH) has a dramatic impact on the main outcomes of dialysis patients. Early warning of hemodynamic worsening during dialysis would enable preventive measures to be taken. Blood oxygen saturation (SO2) is used for hemodynamic monitoring in the critical care setting and may provide useful information about IDH onset. AIM: To evaluate whether short- and medium-term variations in the SO2 signal (ST-SO2var, MT-SO2var,) during dialysis are a predictor of IDH...
August 29, 2016: Journal of Nephrology
https://www.readbyqxmd.com/read/27569890/effects-of-rhbnp-after-pci-on-non-invasive-hemodynamic-in-acute-myocardial-infarction-patients-with-left-heart-failure
#16
Xi-Min He, Lin Chen, Jiang-Bin Luo, Xu-Xia Feng, Yun-Bo Zhang, Qi-Jing Chen, Xiao-Li Ji, Tian-Song Wang
OBJECTIVE: To investigate the effects of exogenous recombinant human brain natriuretic peptide (rhBNP) after primary percutaneous coronary intervention (PCI) on non-invasive hemodynamic in acute myocardial infarction patients with left ventricular failure. METHODS: A number of 96 acute myocardial infarction patients accompanied with heart failure after PCI hospitalized in the People's Hospital of Sanya during February 2012 to October 2015 were selected. They were randomly divided into the therapy group (n = 50) and control group (n = 46)...
August 2016: Asian Pacific Journal of Tropical Medicine
https://www.readbyqxmd.com/read/27543137/echocardiography-in-shock-management
#17
REVIEW
Anthony S McLean
Echocardiography is pivotal in the diagnosis and management of the shocked patient. Important characteristics in the setting of shock are that it is non-invasive and can be rapidly applied.In the acute situation a basic study often yields immediate results allowing for the initiation of therapy, while a follow-up advanced study brings the advantage of further refining the diagnosis and providing an in-depth hemodynamic assessment. Competency in basic critical care echocardiography is now regarded as a mandatory part of critical care training with clear guidelines available...
August 20, 2016: Critical Care: the Official Journal of the Critical Care Forum
https://www.readbyqxmd.com/read/27508591/-op-lb03-02-non-invasive-hemodynamic-monitoring-in-uncontrolled-hypertensive-patients-effect-on-arterial-stiffness-and-central-blood-pressure-the-beauty-study
#18
P Boutouyrie, F Elmula, P Rebora, A Talvik, S Salerno, E Miszkowska-Nagorna, X Liuc, T Comotti, A Larstorp, M Rostrup, E Qwierblewska, M Valsecchi, S E Kjeldsen, M Viigimaa, K Narkiewicz, G Parati, S Laurent
OBJECTIVE: In the BEAUTY study we investigated whether utilizing non-invasive monitoring of hemodynamic parameters by thoracic impedance plethysmography (IHM) combined with a drug selection algorithm (DSA) compared to conventional drug selection may improve uncontrolled hypertension in European Hypertension Excellence Centres. Although the results of the BEAUTY study on ABPM were neutral (J Hypertens 2015), we investigated whether IHM-DSA could favourably influence central BP and arterial stiffness...
September 2016: Journal of Hypertension
https://www.readbyqxmd.com/read/27470250/echo-color-doppler-ultrasound-a-valuable-diagnostic-tool-in-the-assessment-of-arteriovenous-fistula-in-hemodialysis-patients
#19
Anna Mudoni, Francesco Caccetta, Maurizio Caroppo, Fernando Musio, Antonella Accogli, Maria Dolores Zacheo, Maria Domenica Burzo, Maurizio Gallieni, Vitale Nuzzo
A functioning vascular access is a critical requirement to improve the quality of life in hemodialysis patients, so monitoring and surveillance of vascular access play key roles in identifying all dysfunctions and reducing the huge economic cost as well as adequacy of dialysis.In our five-year experience, a study protocol has been used and improved with the help of ultrasonography.Doppler ultrasound is an excellent and sensitive modality for hemodialysis access evaluation, one of techniques employed for arteriovenous fistulae (AVF) study, not only as a preoperative tool, but also in post-operative monitoring of AVF maturation...
September 21, 2016: Journal of Vascular Access
https://www.readbyqxmd.com/read/27465538/pulmonary-pressure-monitoring-for-patients-with-heart-failure
#20
Jennifer T Wang, William H Frishman
Heart failure (HF) affects over 5.8 million patients in the United States, and can be very costly due to the number of hospitalizations and re-hospitalizations during the final years of life. Due to the large number of hospitalizations for HF exacerbations, effective methods for preventing these occurrences are necessary. Improvements in the outpatient treatment of HF, aided by non-invasive and invasive home monitoring methods, can reduce the number of hospitalizations. Pulmonary pressure monitoring through the CardioMEMS system provides one method of hemodynamic assessment of patients...
July 25, 2016: Cardiology in Review
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