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Haemodynamic monitoring

Olivier Nardi, Elizabeth Zavala, Claude Martin, Serafim Nanas, Thomas Scheeren, Andrea Polito, Xavi Borrat, Djillali Annane
OBJECTIVE: Evaluation of the ratio of oxyhaemoglobin to total haemoglobin in skeletal muscle (StO2 ) using near-infrared spectroscopy may aid in the monitoring of patients with sepsis. This study assessed the benefits and risks of targeting StO2 in adults with severe sepsis or septic shock. DESIGN: A European randomised controlled trial was performed on two parallel groups. SETTING: Five intensive care units (ICU) in France, Greece, Spain and Germany were used for the study...
March 19, 2018: BMJ Open
Corey Joseph, Marie Garrubba, Julian A Smith, Angela Melder
Pulmonary artery catheters (PACs) were introduced in 1970. Since then, their use has steadily increased. However, there have been questions raised regarding their efficacy for multiple clinical scenarios. The purpose of this systematic review was to determine the safety and effectiveness of routine use of PACs post cardiac surgery on mortality, complications, days in intensive care unit, days in hospital, and costs in patients undergoing cardiac surgery, or patients who end up in an intensive care unit. METHODS: Medline, All EBM, Embase and Cumulative Index to Nursing and Allied Health Literature (CINAHL) databases were searched using predetermined search terms...
February 21, 2018: Heart, Lung & Circulation
Theodorus M van Bakel, Christopher J Arthurs, Joost A van Herwaarden, Frans L Moll, Kim A Eagle, Himanshu J Patel, Santi Trimarchi, C Alberto Figueroa
OBJECTIVES: Aortic arch repair remains a major surgical challenge. Multiple manufacturers are developing branched endografts for Zone 0 endovascular repair, extending the armamentarium for minimally invasive treatment of aortic arch pathologies. We hypothesize that the design of the Zone 0 endograft has a significant impact on the postoperative haemodynamic performance, particularly in the cervical arteries. The goal of our study was to compare the postoperative haemodynamic performance of different Zone 0 endograft designs...
March 15, 2018: European Journal of Cardio-thoracic Surgery
Henrik Staer-Jensen, Kjetil Sunde, Espen Rostrup Nakstad, Jan Eritsland, Geir Øystein Andersen
OBJECTIVES: Haemodynamic monitoring during post arrest care is important to optimise treatment. We compared stroke volume measured by minimally-invasive monitoring devices with or without thermodilution calibration, and transthoracic echocardiography (TTE), and hypothesised that thermodilution calibration would give stroke volume index (SVI) more in agreement with TTE during targeted temperature management (TTM). DESIGN: Comatose out-of-hospital cardiac arrest survivors receiving TTM (33 °C for 24 hrs) underwent haemodynamic monitoring with arterial pulse contour analyses with (PiCCO2®) and without (FloTrac® /Vigileo® monitor® ) transpulmonary thermodilution calibration...
March 16, 2018: Scandinavian Cardiovascular Journal: SCJ
Kenan Kart, Ayse Hanci
Objective This study aimed to compare the effects of remifentanil and dexmedetomidine on awareness during the induction of general anaesthesia. Material and Methods Ninety patients scheduled for elective caesarean section under general anaesthesia were included and randomly divided into three anaesthesia groups: 2 mg/kg propofol (control group); 2 mg/kg propofol and 1 µg/kg dexmedetomidine (dexmedetomidine group); and 2 mg/kg propofol and 1 µg/kg remifentanil (remifentanil group). All patients received routine monitoring, and Apgar scores at 1 and 5 minutes were recorded...
January 1, 2018: Journal of International Medical Research
Angela Briganti, Flavia Evangelista, Paola Centonze, Annaliso Rizzo, Francesco Bentivegna, Antonio Crovace, Francesco Staffieri
BACKGROUND: Haemodynamic variations normally occur in anaesthetized animals, in relation to the animal status, administered drugs, sympathetic and parasympathetic tone, fluid therapy and surgical stimulus. The possibility to measure some cardiovascular parameters, such as cardiac output (CO), during anaesthesia would be beneficial for both the anaesthesia management and its outcome. New techniques for the monitoring of CO are aimed at finding methods which are non invasive, accurate and with good trending ability, which can be used in a clinical setting...
March 6, 2018: BMC Veterinary Research
Luca Luzzi, Federico Franchi, Annarita Dapoto, Marco Ghisalberti, Roberto Corzani, Daniele Marrelli, Luca Marchetti, Piero Paladini, Sabino Scolletta
Background: In the treatment of malignant pleural mesothelioma the Hyperthermic Intra THOracic Chemotherapy (HITHOC) can improve the efficacy of pleurectomy and decortication with a local cytotoxic effect. However its biological impact in patient's hemodynamic and microcirculatory changes were rarely investigated. Aim of this study is to describe our experience with HITHOC after pleurectomy and decortication evaluating the role of sublingual video-microscopy in assessing the microcirculatory changes in the perioperative period...
January 2018: Journal of Thoracic Disease
Wei Zhang, Jonathan Tam, Koichiro Shinozaki, Tai Yin, Joshua W Lampe, Lance B Becker, Junhwan Kim
Cardiac arrest is one of the leading causes of death with a very high mortality rate. No therapeutic drug that can be administered during resuscitation has been reported. Mitochondrial dysfunction is believed to play an important role for the pathogenesis of cardiac arrest. SS-31, a tetra-peptide, has been shown to protect mitochondria from ischaemia/reperfusion injury. Therefore, we tested whether SS-31 improves rat survival after prolonged cardiac arrest. Rats were randomised into two groups. After 25minutes of asphyxia-induced cardiac arrest, rats were resuscitated with or without SS-31 using cardiopulmonary bypass resuscitation...
February 7, 2018: Heart, Lung & Circulation
Aaron M Wolfson, Luanda Grazette, Leslie Saxon, Haider Nazeer, David M Shavelle, Rita Jermyn
AIMS: Remote haemodynamic monitoring (RHM) decreases hospitalization rates in patients with chronic heart failure (HF). Many patients with chronic HF develop pulmonary hypertension (PH) secondary to left heart disease with some acquiring combined pre-capillary and post-capillary PH (Cpc-PH). The efficacy of RHM in achieving pulmonary pressure reductions in patients with Cpc-PH vs. isolated post-capillary PH (Ipc-PH) is unknown. The purpose of this study is to evaluate whether a higher baseline diastolic pressure gradient (DPGbaseline ) measured at the time of CardioMEMS™ HF sensor implantation is associated with lower reductions in pulmonary artery diastolic pressures (PADP)...
March 2, 2018: ESC Heart Failure
Ari Ercole, Peter Smielewski, Marcel J H Aries, Robin Wesselink, Jan Willem J Elting, Joseph Donnelly, Marek Czosnyka, Natasha M Maurits
OBJECTIVE: An 'optimal' cerebral perfusion pressure (CPPopt) can be defined as the point on the CPP scale corresponding to the greatest autoregulatory capacity. This can be established by examining the pressure reactivity index PRx-CPP relationship, which is approximately U-shaped but suffers from noise and missing data. In this paper, we present a method for plotting the whole PRx-CPP relationship curve against time in the form of a colour-coded map depicting the 'landscape' of that relationship extending back for several hours and to display this robustly at the bedside...
2018: Acta Neurochirurgica. Supplement
Frank M van der Sande, Marijke J Dekker, Karel M L Leunissen, Jeroen P Kooman
BACKGROUND: Intradialytic hypotension (IDH) is a common complication of haemodialysis (HD) and associated with adverse outcomes, especially when a nadir definition (systolic blood pressure <90 mm Hg) is used. The pathogenesis of IDH is directly linked to the discontinuous nature of the HD treatment, in combination with patient-related factors such as age, diabetes mellitus and cardiac failure. SUMMARY: Although the decline in blood volume due to removal of fluid by ultrafiltration is the prime mover, thermally induced reflex vasodilation compromises the haemodynamic response to hypovolemia...
January 26, 2018: Blood Purification
Hideki Taniguchi, Toshio Sasaki, Hisae Fujita, Hiroko Kobayashi, Rieko Kawasaki, Takashi Ogata, Haruhiko Cho, Takaki Yoshikawa, Keiko Ushigome, Akemi Tanaka, Osami Takano
BACKGROUND AND AIMS: The Enhanced Recovery after Surgery (ERAS) program has been proposed as a postoperative recovery-enhancing strategy. We frequently apply the Modified-ERAS program following oesophagectomy. This study aims to elucidate the impact of goal-directed fluid therapy (GDT) for the perioperative management of oesophageal cancer on the postoperative recovery of patients undergoing oesophagectomy. METHODS: This is an interventional before-after comparative observational study conducted at Kanagawa Cancer Centre, Japan...
February 2018: Clinical Nutrition ESPEN
Eila Sonkajärvi, Seppo Rytky, Seppo Alahuhta, Kalervo Suominen, Timo Kumpulainen, Pasi Ohtonen, Elina Karvonen, Ville Jäntti
OBJECTIVES: The aim of the study was to compare the EEG findings and haemodynamic parameters of adult male patients while undergoing mask induction with sevoflurane anaesthesia with either controlled hyperventilation (CH) or spontaneous breathing (SB). METHODS: Twenty male patients, aged 23-52 (mean 42) years were anaesthetized randomly with either spontaneous breathing or mild controlled hyperventilation via mask. EEG was recorded using a full 10-20 electrode set...
January 11, 2018: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
R Makaryus, T E Miller, T J Gan
Perioperative fluid management impacts outcomes and plays a pivotal role in enhanced recovery pathways (ERPs). There have been major advances in understanding the effects of fluid therapy and administration during the perioperative period. Improving fluid management during this period leads to a decrease in complications, decrease in length of stay (LOS), and enhanced patient outcomes. It is important to consider preoperative and postoperative fluid management to be just as critical as intraoperative management given multiple associated benefits to the patients...
February 2018: British Journal of Anaesthesia
Marie Janaillac, Thierry P Beausoleil, Keith J Barrington, Marie-Josée Raboisson, Oliver Karam, Mathieu Dehaes, Anie Lapointe
Haemodynamic assessment during the transitional period in preterm infants is challenging. We aimed to describe the relationships between cerebral regional tissue oxygen saturation (CrSO2), perfusion index (PI), echocardiographic, and clinical parameters in extremely preterm infants in their first 72 h of life. Twenty newborns born at < 28 weeks of gestation were continuously monitored with CrSO2 and preductal PI. Cardiac output was measured at H6, H24, H48, and H72. The median gestational age and birth weight were 25...
January 27, 2018: European Journal of Pediatrics
Ban Leong Sng, Wei Du, Man Xin Lee, Farida Ithnin, Deepak Mathur, Wan Ling Leong, Rehena Sultana, Nian-Lin R Han, Alex Tiong Heng Sia
BACKGROUND: Hypotension is a common side effect of spinal anaesthesia during caesarean delivery and is associated with maternal and foetal adverse effects. We developed an updated double intravenous vasopressor automated (DIVA) system that administers phenylephrine or ephedrine based on continuous noninvasive haemodynamic monitoring using the Nexfin device. OBJECTIVE: The aim of our present study is to compare the performance and reliability of the DIVA system against Manual Vasopressor Bolus administration...
January 25, 2018: European Journal of Anaesthesiology
Elsa P Bianchini, Alexandre Sebestyen, Toufik Abache, Yasmine Bourti, Alexandre Fontayne, Vincent Richard, Fabienne Tamion, Jean-Luc Plantier, Fabien Doguet, Delphine Borgel
Heparin anticoagulation followed by protamine reversal is commonly used in cardiopulmonary bypass (CPB). As an alternative to protamine, a recombinant inactive antithrombin (riAT) was designed as an antidote to heparin and was previously shown to be as potent as protamine in-vitro. In the present study, riAT was assessed for its ability to neutralize heparin after CPB in a rat model. After 60 min of CPB under heparin, rats received 5 mg/kg protamine, 37.5 mg/kg riAT or phosphate buffered saline (PBS) as placebo...
January 24, 2018: British Journal of Haematology
Sarah Louise Harris, Kiran More, Bronwyn Dixon, Richard Troughton, Chris Pemberton, John Horwood, Nicola Ellis, Nicola Austin
This study aimed to investigate factors affecting N-terminal pro-B-type natriuretic peptide (NTproBNP) in preterm infants and the ability of NTproBNP to predict haemodynamically significant patent ductus arteriosus (HsPDA). Prospective cohort study of 51 infants < 30 weeks gestation. Blood NTproBNP and heart ultrasound were performed on day of life 3, 10, 28 and 36 weeks corrected age. NTproBNP levels analysed for prediction of HsPDA. The effect of gestational age, ventilation, hypoxia, bronchopulmonary dysplasia (BPD), creatinine and haemoglobin levels on NTproBNP levels were investigated...
January 19, 2018: European Journal of Pediatrics
Ankit Gupta, Atul Vijay Palkar, Priya Narwal
A young man with a history of smoking presented with acute-onset chest pain after lifting weights. He also noticed a change in his voice, tightness in his neck and difficulty breathing. A chest radiograph showed soft tissue emphysema in the neck. A CT scan of the chest revealed moderate amount of pneumomediastinum tracking into the neck and down to the diaphragm. He was haemodynamically stable and had no hypoxia or dysphagia. He was monitored for 48 hours and discharged home after resolution of his symptoms...
January 12, 2018: BMJ Case Reports
Benjamin M Bussmann, Shrey Sharma, David Mcgregor, William Hulme, Tim Harris
OBJECTIVES: Bedside ultrasound is increasingly being used to guide fluid management in shocked patients. Little data exist on the inter-rater reliability of techniques used, especially when performed by nonexpert trainee doctors. The primary aim of this study is to measure the inter-rater reliability of five ultrasound techniques commonly used to guide fluid management: inferior vena cava collapsibility index (IVCCI), transthoracic echocardiography (TTE)-derived stroke volumes, ultrasound cardiac output monitor (USCOM) derived stroke volume and carotid artery blood flow and corrected flow time measurements...
January 8, 2018: European Journal of Emergency Medicine: Official Journal of the European Society for Emergency Medicine
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