keyword
MENU ▼
Read by QxMD icon Read
search

mean arterial pressure

keyword
https://www.readbyqxmd.com/read/28109998/impact-of-mean-arterial-pressure-on-clinical-outcomes-in-comatose-survivors-of-out-of-hospital-cardiac-arrest-insights-from-the-university-of-ottawa-heart-institute-regional-cardiac-arrest-registry-capital-care
#1
Juan J Russo, Tyler E James, Benjamin Hibbert, Altayyeb Yousef, Christina Osborne, George A Wells, Michael P V Froeschl, Derek Y So, Aun Yeong Chong, Marino Labinaz, Chris A Glover, Jean-François Marquis, Alexander Dick, Jordan Bernick, Michel R Le May
AIM: of the study We sought to assess the relationship between mean arterial pressure (MAP) and clinical outcomes in comatose survivors of out-of-hospital cardiac arrest (OHCA). METHODS: We identified consecutive comatose survivors of OHCA with an initial shockable rhythm treated with targeted temperature management. We examined clinical outcomes in relation to mean MAP (measured hourly) during the first 96hours of hospitalization. Mean MAP was examined as both a continuous variable and a categorical variable consisting of 3 pre-specified strata: <70mmHg, 70 to <80mmHg, and ≥80mmHg...
January 18, 2017: Resuscitation
https://www.readbyqxmd.com/read/28108832/beat-by-beat-assessment-of-cardiac-afterload-using-descending-aortic-velocity-pressure-loop-during-general-anesthesia-a-pilot-study
#2
Fabrice Vallée, Arthur Le Gall, Jona Joachim, Olivier Passouant, Joaquim Matéo, Arnaud Mari, Sandrine Millasseau, Alexandre Mebazaa, Etienne Gayat
Continuous cardiac afterload evaluation could represent a useful tool during general anesthesia (GA) to titrate vasopressor effect. Using beat to beat descending aortic pressure(P)/flow velocity(U) loop obtained from esophageal Doppler and femoral pressure signals might allow to track afterload changes. Methods We defined three angles characterizing the PU loop (alpha, beta and Global After-Load Angle (GALA)). Augmentation index (AIx) and total arterial compliance (Ctot) were measured via radial tonometry. Peripheral Vascular Resistances (PVR) were also calculated...
January 20, 2017: Journal of Clinical Monitoring and Computing
https://www.readbyqxmd.com/read/28108645/whole-body-hyperthermia-but-not-skin-hyperthermia-accelerates-brain-and-locomotor-limb-circulatory-strain-and-impairs-exercise-capacity-in-humans
#3
Steven J Trangmar, Scott T Chiesa, Kameljit K Kalsi, Niels H Secher, José González-Alonso
Cardiovascular strain and hyperthermia are thought to be important factors limiting exercise capacity in heat-stressed humans, however, the contribution of elevations in skin (Tsk) versus whole body temperatures on exercise capacity has not been characterized. To ascertain their relationships with exercise capacity, blood temperature (TB), oxygen uptake (V̇O2), brain perfusion (MCA Vmean), locomotor limb hemodynamics, and hematological parameters were assessed during incremental cycling exercise with elevated skin (mild hyperthermia; HYPmild), combined core and skin temperatures (moderate hyperthermia; HYPmod), and under control conditions...
January 2017: Physiological Reports
https://www.readbyqxmd.com/read/28108065/assessment-of-central-venous-physiology-of-fontan-circulation-using-peripheral-venous-pressure
#4
Satoshi Masutani, Clara Kurishima, Akiko Yana, Seiko Kuwata, Yoichi Iwamoto, Hirofumi Saiki, Hirotaka Ishido, Hideaki Senzaki
OBJECTIVE: Elevated central venous pressure is a major cause of morbidity and mortality after the Fontan operation. The difference between mean circulatory filling pressure and central venous pressure, a driving force of venous return, is important in determining dynamic changes in central venous pressure in response to changes in ventricular properties or loading conditions. Thus, noninvasive central venous pressure and mean circulatory filling pressure estimation may contribute to optimal management in patients undergoing the Fontan operation...
December 19, 2016: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28107357/vasopressor-use-for-severe-hypotension-a-multicentre-prospective-observational-study
#5
Francois Lamontagne, Deborah J Cook, Maureen O Meade, Andrew Seely, Andrew G Day, Emmanuel Charbonney, Karim Serri, Yoanna Skrobik, Paul Hebert, Charles St-Arnaud, Hector Quiroz-Martinez, Michaël Mayette, Daren K Heyland
BACKGROUND: The optimal approach to titrate vasopressor therapy is unclear. Recent sepsis guidelines recommend a mean arterial pressure (MAP) target of 65 mmHg and higher for chronic hypertensive patients. As data emerge from clinical trials comparing blood pressure targets for vasopressor therapy, an accurate description of usual care is required to interpret study results. Our aim was to measure MAP values during vasopressor therapy in Canadian intensive care units (ICUs) and to compare these with stated practices and guidelines...
2017: PloS One
https://www.readbyqxmd.com/read/28107308/acute-right-heart-failure-after-hemorrhagic-shock-and-trauma-pneumonectomy-a-management-approach-a-blinded-randomized-controlled-animal-trial-using-inhaled-nitric-oxide
#6
Andrea L Lubitz, Lars O Sjoholm, Amy Goldberg, Abhijit Pathak, Thomas Santora, Thomas E Sharp, Markus Wallner, Remus M Berretta, Lauren A Poole, Jichuan Wu, Marla R Wolfson
BACKGROUND: Hemorrhagic shock and pneumonectomy causes an acute increase in pulmonary vascular resistance (PVR). The increase in PVR and right ventricular (RV) afterload leads to acute RV failure, thus reducing left ventricular (LV) preload and output. Inhaled nitric oxide (iNO) lowers PVR by relaxing pulmonary arterial smooth muscle without remarkable systemic vascular effects. We hypothesized that with hemorrhagic shock and pneumonectomy, iNO can be used to decrease PVR and mitigate right heart failure...
February 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28107274/the-sluscore-a-novel-method-for-detecting-hazardous-hypotension-in-adult-patients-undergoing-noncardiac-surgical-procedures
#7
Wolf H Stapelfeldt, Hui Yuan, Jefferson K Dryden, Kristen E Strehl, Jacek B Cywinski, Jesse M Ehrenfeld, Pamela Bromley
BACKGROUND: It has been suggested that longer-term postsurgical outcome may be adversely affected by less than severe hypotension under anesthesia. However, evidence-based guidelines are unavailable. The present study was designed to develop a method for identifying patients at increased risk of death within 30 days in association with the severity and duration of intraoperative hypotension. METHODS: Intraoperative mean arterial blood pressure recordings of 152,445 adult patients undergoing noncardiac surgery were analyzed for periods of time accumulated below each one of the 31 thresholds between 75 and 45 mm Hg (hypotensive exposure times)...
January 19, 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28105538/comparison-of-non-invasive-blood-pressure-monitoring-using-modified-arterial-applanation-tonometry-with-intra-arterial-measurement
#8
Jarkko Harju, Antti Vehkaoja, Pekka Kumpulainen, Stefano Campadello, Ville Lindroos, Arvi Yli-Hankala, Niku Oksala
Intermittent non-invasive blood pressure measurement with tourniquets is slow, can cause nerve and skin damage, and interferes with other measurements. Invasive measurement cannot be safely used in all conditions. Modified arterial tonometry may be an alternative for fast and continuous measurement. Our aim was to compare arterial tonometry sensor (BPro(®)) with invasive blood pressure measurement to clarify whether it could be utilized in the postoperative setting. 28 patients who underwent elective surgery requiring arterial cannulation were analyzed...
January 19, 2017: Journal of Clinical Monitoring and Computing
https://www.readbyqxmd.com/read/28105119/clinical-observation-on-the-treatment-of-acute-liver-failure-by-combined-non-biological-artificial-liver
#9
Maoqin Li, Jingxi Sun, Jiaqiong Li, Zaixiang Shi, Jiyuan Xu, Bo Lu, Shuli Cheng, Yanjun Xu, Xiaomeng Wang, Xianjiang Zhang
The clinical efficacy and safety of different combinations of non-bio artificial liver in the treatment of acute liver failure was examined. A total of 61 cases were selected under blood purification treatment from the patients with severe acute liver failure admitted to the severe disease department of the hospital from December, 2010 to December, 2015. Three types of artificial liver combinations were observed, i.e., plasma exchange plus hemoperfusion plus continuous venovenous hemodiafiltration (PE+HP+CVVHDF), PE+CVVHDF and HP+CVVHDF...
December 2016: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28105111/effect-of-rocuronium-on-the-bispectral-index-under-anesthesia-and-tracheal-intubation
#10
Hui Yue, Jinyu Han, Ling Liu, Kaiyuan Wang, Jincheng Li
The aim of the present study was to investigate the effect of various doses of rocuronium on bispectral index (BIS) responses to propofol induction and tracheal intubation, as well as the role of the non-depolarization muscle relaxant rocuronium on the depth of sedation. A total of 72 patients (American Society of Anesthesiologists physical status I-II) were anaesthetized with propofol using a target-controlled infusion, and randomly divided into two sedation level groups (n=36). The patients were divided into 2 groups according to the BIS value: A normal sedation group (group 1), with a stable BIS value at 40-60, and a deep sedation group (group 2), with a BIS value <20 or with burst suppression...
December 2016: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28103290/involvement-of-ddah-adma-nos-cgmp-and-cox-2-ptgis-camp-pathways-in-human-tissue-kallikrein-1-protecting-erectile-function-in-aged-rats
#11
Kai Cui, Yang Luan, Zhe Tang, Ke Rao, Tao Wang, Zhong Chen, Shaogang Wang, Jihong Liu, Daowen Wang
Our previous studies had reported that Human Tissue Kallikrein 1 (hKLK1) preserved erectile function in aged transgenic rats, while the detailed mechanism of hKLK1 protecting erectile function in aged rats through activation of cGMP and cAMP was not mentioned. To explore the latent mechanism, male wild-type Sprague-Dawley rats (WTR) and transgenic rats harboring the hKLK1 gene (TGR) were fed to 4 and 18 months old and divided into four groups: young WTR (yWTR) as the control, aged WTR (aWTR), aged TGR (aTGR) and aged TGRs with HOE140 (aTGRH)...
2017: PloS One
https://www.readbyqxmd.com/read/28103203/the-change-in-nt-pro-bnp-and-post-ptmc-echocardiography-parameters-in-patients-with-mitral-stenosis-a-pilot-study
#12
Morteza Safi, Fariba Bayat, Zahra Ahmadi, Masood Shekarchizadeh, Isa Khaheshi, Mohammadreza Naderian
BACKGROUND: The change in the level of NT-Pro-BNP (N-terminal Pro-Brain Natriuretic Peptide) is now considered as a reflection of the hemodynamic alterations and its circulatory reductions reported early after successful PTMC (percutaneous transvenous mitral commissurotomy). The present study aims to assess the change in the level of NT-Pro BNP following PTMC in patients with mitral stenosis and also to determine the association between circulatory NT-Pro BNP reduction and post-PTMC echocardiography parameters...
January 18, 2017: Romanian Journal of Internal Medicine, Revue Roumaine de Médecine Interne
https://www.readbyqxmd.com/read/28102878/pulmonary-hypertension-associated-with-left-sided-heart-disease
#13
Micha Tobias Maeder, Otto D Schoch, Rebekka Kleiner, Lucas Joerg, Daniel Weilenmann, Swiss Society For Pulmonary Hypertension
Pulmonary hypertension associated with left-sided heart disease (PH-LHD) is the most common type of pulmonary hypertension. In patients with left-sided heart disease, the presence of pulmonary hypertension is typically a marker of more advanced disease, more severe symptoms, and worse prognosis. In contrast to pulmonary arterial hypertension, PH-LHD is characterised by an elevated pulmonary artery wedge pressure (postcapillary pulmonary hypertension) without or with an additional precapillary component (isolated postcapillary versus combined postcapillary and precapillary pulmonary hypertension)...
January 19, 2017: Swiss Medical Weekly
https://www.readbyqxmd.com/read/28101819/high-central-aortic-rather-than-brachial-blood-pressure-is-associated-with-carotid-wall-remodeling-and-increased-arterial-stiffness-in-childhood
#14
Gonzalo Peluso, Victoria García-Espinosa, Santiago Curcio, Marco Marota, Juan Castro, Pedro Chiesa, Gustavo Giachetto, Daniel Bia, Yanina Zócalo
INTRODUCTION: In adults, central blood pressure (cBP) is reported to associate target organ damages (TODs) rather than peripheral blood pressure (pBP). However, data regarding the association of pre-clinical TODs with cBP and pBP in pediatric populations are scarce. AIM: To evaluate in children and adolescents the importance of cBP and pBP levels, in terms of their association with hemodynamic and vascular changes. METHODS: 315 subjects [age (mean/range) 12/8-18 years] were included...
January 19, 2017: High Blood Pressure & Cardiovascular Prevention: the Official Journal of the Italian Society of Hypertension
https://www.readbyqxmd.com/read/28101752/the-impact-of-hydrocortisone-treatment-on-neutrophil-gelatinase-associated-lipocalin-release-in-porcine-endotoxemic-shock
#15
E Söderberg, M Eriksson, A Larsson, M Lipcsey
BACKGROUND: A key feature of sepsis is systemic inflammatory activation that could be counteracted by steroids. In this experimental model of systemic inflammation, we sought to investigate whether septic neutrophil activation, evaluated by the plasma levels of neutrophil gelatinase-associated protein (NGAL), is modulated by the timing of hydrocortisone treatment. METHODS: Sixteen anesthetized pigs were allocated to one of four equally sized groups. Three of these groups received endotoxin at 2 μg × kg(-1) × h(-1) for 6 h so as to induce endotoxemic shock...
December 2017: Intensive Care Medicine Experimental
https://www.readbyqxmd.com/read/28101449/immunohistochemical-expression-of-intrarenal-renin-angiotensin-system-components-in-response-to-tempol-in-rats-fed-a-high-salt-diet
#16
Gabriel Cao, Silvana Lorena Della Penna, Nicolás Martín Kouyoumdzian, Marcelo Roberto Choi, Susana Gorzalczany, Belisario Enrique Fernández, Jorge Eduardo Toblli, María Inés Rosón
AIM: To determine the effect of tempol in normal rats fed high salt on arterial pressure and the balance between antagonist components of the renal renin-angiotensin system. METHODS: Sprague-Dawley rats were fed with 8% NaCl high-salt (HS) or 0.4% NaCl (normal-salt, NS) diet for 3 wk, with or without tempol (T) (1 mmol/L, administered in drinking water). Mean arterial pressure (MAP), glomerular filtration rate (GFR), and urinary sodium excretion (UVNa) were measured...
January 6, 2017: World Journal of Nephrology
https://www.readbyqxmd.com/read/28101342/pharmacodynamic-analysis-of-target-controlled-infusion-of-propofol-in-patients-with-hepatic-insufficiency
#17
Jing-Ru Pan, Jun Cai, Shao-Li Zhou, Qian-Qian Zhu, Fei Huang, Yi-Han Zhang, Xin-Jin Chi, Zi-Qing Hei
The effect of liver dysfunction on target-controlled infusion (TCI) of propofol remains poorly documented. The pharmacodynamic performance of propofol TCI was evaluated in a cohort of Chinese patients with hepatic insufficiency. Fifty-three patients with hepatic insufficiency were enrolled in the current prospective, observational study. Anesthesia was induced with propofol via TCI to a plasma concentration of 3 µg/ml. Following loss of consciousness (LOC), fentanyl and cisatracurium were administered. Pharmacodynamic parameters were recorded during TCI, including time to LOC, bispectral index (BIS), heart rate (HR) and blood pressure...
December 2016: Biomedical Reports
https://www.readbyqxmd.com/read/28101162/correlation-between-high-perfusion-syndrome-and-stent-restenosis-after-stent-implantation
#18
Yingyi Li, Lingtao Tang, Dong Qi, Chunlei Wang, Suxia Zhang, Pengfei Hu, Yun Wang, Bogang Zhang, Kunxi Zhang
The present study was conducted to determine the correlation between high perfusion syndrome and stent restenosis after cerebral vascular stent implantation. A total of 146 patients diagnosed with cerebral vascular stenosis and stent implantation were selected. A total of 55 cases (37.67%) of cerebral hyperperfusion syndrome patients were diagnosed by xenon-enhanced computer tomography (Xe-CT) examination and clinical symptoms within 3 days after surgery and were chosen as the observation group. A total of 91 cases were selected as the control group...
December 2016: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28100544/oscillatory-whole-body-vibration-improves-exercise-capacity-and-physical-performance-in-pulmonary-arterial-hypertension-a-randomised-clinical-study
#19
Felix Gerhardt, Daniel Dumitrescu, Carina Gärtner, Ralf Beccard, Thomas Viethen, Tilmann Kramer, Stephan Baldus, Martin Hellmich, Eckhard Schönau, Stephan Rosenkranz
OBJECTIVE: In patients with pulmonary arterial hypertension (PAH), supportive therapies may be beneficial in addition to targeted medical treatment. Here, we evaluated the effectiveness and safety of oscillatory whole-body vibration (WBV) in patients on stable PAH therapy. METHODS: Twenty-two patients with PAH (mean PAP≥25 mm Hg and pulmonary arterial wedge pressure (PAWP)≤15 mm Hg) who were in world health organization (WHO)-Functional Class II or III and on stable PAH therapy for≥3 months, were randomised to receive WBV (16 sessions of 1-hour duration within 4 weeks) or to a control group, that subsequently received WBV...
January 18, 2017: Heart: Official Journal of the British Cardiac Society
https://www.readbyqxmd.com/read/28100521/perioperative-%C3%AE-receptor-blockade-in-phaeochromocytoma-surgery-an-observational-case-series
#20
H Groeben, B J Nottebaum, P F Alesina, A Traut, H P Neumann, M K Walz
BACKGROUND: Mortality associated with surgery for phaeochromocytoma has dramatically decreased over the last decades. Many factors contributed to the dramatic decline of the mortality rate, and the influence of an α-receptor blockade is unclear and has never been tested in a randomized trial. We evaluated intraoperative haemodynamic conditions and the incidence of complications in patients with and without α-receptor blockade undergoing surgery for catecholamine producing tumours. METHODS: Haemodynamic conditions and perioperative complications were assessed in 110 patients with (B) and 166 without (N) α-receptor blockade...
February 2017: British Journal of Anaesthesia
keyword
keyword
28671
1
2
Fetch more papers »
Fetching more papers... Fetching...
Read by QxMD. Sign in or create an account to discover new knowledge that matter to you.
Remove bar
Read by QxMD icon Read
×

Search Tips

Use Boolean operators: AND/OR

diabetic AND foot
diabetes OR diabetic

Exclude a word using the 'minus' sign

Virchow -triad

Use Parentheses

water AND (cup OR glass)

Add an asterisk (*) at end of a word to include word stems

Neuro* will search for Neurology, Neuroscientist, Neurological, and so on

Use quotes to search for an exact phrase

"primary prevention of cancer"
(heart or cardiac or cardio*) AND arrest -"American Heart Association"