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venous central saturation

Paulo Eugênio Silva, Nicolas Babault, João Batista Mazullo, Tamires Pereira de Oliveira, Bárbara Letícia Lemos, Vitor Oliveira Carvalho, Joao Luiz Quagliotti Durigan
PURPOSE: The aim of this study was to evaluate the safety and feasibility of a neuromuscular electrical stimulation (NMES) protocol based on neuromuscular excitability and applied in numerous muscle groups of critical ill patients. MATERIALS AND METHODS: We performed a prospective observational study using an NMES applied daily and bilaterally into 5 muscle groups in lower limbs for 3 consecutive days. The characteristics of NMES were 90 contractions per muscle, pulse width equal to chronaxie, and a pulse frequency of 100 Hz...
September 22, 2016: Journal of Critical Care
Poonam Malhotra Kapoor, Rohan Magoon, Rajinder Rawat, Yatin Mehta
Goal-directed therapy (GDT) encompasses guidance of intravenous (IV) fluid and vasopressor/inotropic therapy by cardiac output or similar parameters to help in early recognition and management of high-risk cardiac surgical patients. With the aim of establishing the utility of perioperative GDT using robust clinical and biochemical outcomes, we conducted the present study. This multicenter randomized controlled study included 130 patients of either sex, with European system for cardiac operative risk evaluation ≥3 undergoing coronary artery bypass grafting on cardiopulmonary bypass...
October 2016: Annals of Cardiac Anaesthesia
Yujiro Ide, Masaya Murata, Hiroki Ito, Kisaburo Sakamoto
Right atrial isomerism and pulmonary atresia combined with major aortopulmonary collateral arteries are very rare. Surgical treatment becomes more challenging when an extracardiac total anomalous pulmonary venous connection (TAPVC) requiring surgical repair neonatally is also present. We describe a successful staged Fontan operation for a neonate with a single ventricle, right atrial isomerism, pulmonary atresia with major aortopulmonary collateral arteries, a small central pulmonary artery and a supracardiac TAPVC...
September 13, 2016: Interactive Cardiovascular and Thoracic Surgery
Jing Zhou, Yi Han
OBJECTIVES: To analyze the ability of pleth variability index (PVI) and respiratory system compliance (RSC) on evaluating the hemodynamic and respiratory effects of positive end expiratory pressure (PEEP), then to direct PEEP settings in mechanically ventilated critical patients. METHODS: We studied 22 mechanically ventilated critical patients in the intensive care unit. Patients were monitored with classical monitor and a pulse co-oximeter, with pulse sensors attached to patients' index fingers...
2016: SpringerPlus
Qian Chen, Chun Huang, Ya-Jun Zhang
The aim of the study was to assess the effect of commonly used intravertebral anesthesia on bone cement implantation syndrome (BCIS) in aged patients undergoing hemiarthroplasty.The medical records of 1210 aged patients receiving hemiarthroplasty under intravertebral anesthesia were retrospectively reviewed. Anesthesia charts for all patients were reviewed for central venous pressure, mean arterial pressure, arterial oxygen saturation, and heart rate before, during, and after cementation. Each patient was classified into no BCIS (grade 0) or BCIS grade 1, 2, or 3 according to the degree of hypotension, arterial desaturation, or loss of consciousness around cementation...
September 2016: Medicine (Baltimore)
Sandra Rilvén, Thomas Lee Torp, Jakob Grauslund
The retinal oximeter is a new tool for non-invasive measurement of retinal oxygen saturation in humans. Several studies have investigated the associations between retinal oxygen saturation and retinal diseases. In the present systematic review, we examine whether there are associations between retinal oxygen saturation and retinal ischaemic diseases. We used PubMed and Embase to search for retinal oxygen saturation and retinal ischaemic diseases. Three separate searches identified a total of 79 publications...
September 1, 2016: Acta Ophthalmologica
Wail N Khraise, Mohammed Z Allouh, Mohammad Y Hiasat, Raed S Said
BACKGROUND Intraoperative pulmonary embolism (PE) is a rare life-threatening complication in patients undergoing surgical intervention. Generally, cancer patients have a higher risk for developing this complication. Unfortunately, there is no standard procedure for its management. CASE REPORT We report the case of a 39-year-old woman with high-grade glioma in the right frontal lobe who was admitted to the surgical theater for craniotomy and excision of the tumor. During the general anesthesia procedure and just before inserting the central venous line, her end-tidal CO2 and O2 saturation dropped sharply...
2016: American Journal of Case Reports
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
Borwon Wittayachamnankul, Boriboon Chentanakij, Kamphee Sruamsiri, Nipon Chattipakorn
OBJECTIVE: The current practice in treatment of severe sepsis and septic shock is to ensure adequate oxygenation and perfusion in patients, along with prompt administration of antibiotics, within 6 hours from diagnosis, which is considered the "golden hour" for the patients. One of the goals of treatment is to restore normal tissue perfusion. With this goal in mind, some parameters have been used to determine the success of treatment and mortality rate; however, none has been proven to be the best predictor of mortality rate in sepsis patients...
August 10, 2016: Journal of Critical Care
Aya Doe, Motoi Kumagai, Yuichiro Tamura, Akira Sakai, Kenji Suzuki
PURPOSE: Steep Trendelenburg position and pneumoperitoneum during robotic-assisted laparoscopic prostatectomy (RALP) increase intracranial pressure (ICP) and may alter cerebral blood flow (CBF) and oxygenation. Volatile anesthetics and propofol have different effects on ICP, CBF, and cerebral metabolic rate and may have different impact on cerebral oxygenation during RALP. In this study, we measured jugular venous bulb oxygenation (SjO2) and regional oxygen saturation (SctO2) in patients undergoing RALP to evaluate cerebral oxygenation and compared the effects of sevoflurane and propofol...
August 26, 2016: Journal of Anesthesia
Takahiko Sakamoto, Mitsugi Nagashima, Takeshi Hiramatsu, Goki Matsumura, In-Sam Park, Kenji Yamazaki
BACKGROUND: This study aimed to evaluate Fontan circulation which was observed over 30 years. METHODS: Forty patients who underwent a Fontan operation between 1974 and 1986 and survived (group S, n = 20) or died in the late period (group LD, n = 20) were evaluated. The median age at operation was 10 years (range 2-32 years). The diagnoses were tricuspid atresia in 21, single ventricle in 9, and others in 10. The Fontan procedure was a right atrium-pulmonary artery graft in 2, atriopulmonary connection in 28, and right atrium-right ventricle anastomosis in 10 (Björk in 4, graft in 6)...
August 24, 2016: Asian Cardiovascular & Thoracic Annals
T Boulain, D Garot, P Vignon, J-B Lascarrou, D Benzekri-Lefevre, P-F Dequin
BACKGROUND: The estimation of arterial blood gas and lactate from central venous blood analysis and pulse oximetry [Formula: see text] readings has not yet been extensively validated. METHODS: In this multicentre, prospective study performed in 590 patients with acute circulatory failure, we measured blood gases and lactate in simultaneous central venous and arterial blood samples at 6 h intervals during the first 24 h after insertion of central venous and arterial catheters...
September 2016: British Journal of Anaesthesia
R M Surve, R Muthuchellappan, G S U Rao, M Philip
BACKGROUND: Literature suggests poorer outcomes during anaemia as well as following red blood cell transfusion (BT) in brain injured patients. Recently, central venous oxygen saturation (ScvO2 ) has been proposed as a physiological trigger to guide red BT. In this study, we looked at ScvO2 changes following BT in patients admitted to a neurointensive care unit (NICU). STUDY DESIGN: In this prospective, observational study, adult, acutely ill neurological patients of >18 years were recruited...
August 1, 2016: Transfusion Medicine
Katherine Mayer, Stephen Trzeciak, Nitin K Puri
PURPOSE OF REVIEW: This article reviews the recent literature pertaining to assessment of the adequacy of oxygen delivery in critically ill patients with circulatory shock. RECENT FINDINGS: The assessment of the adequacy of oxygen delivery has traditionally involved measurement of lactate, central (or mixed) venous oxygen saturation (ScvO2), and global hemodynamic markers such as mean arterial pressure and cardiac index. The search for noninvasive, reliable, and sensitive methods to detect derangements in oxygen delivery and utilization continues...
October 2016: Current Opinion in Critical Care
J Grensemann, J M Defosse, C Wieland, U W Wild, F Wappler, S G Sakka
Monitoring of cardiac index (CI) by uncalibrated pulse contour (PC) methods has been shown to be inaccurate in critically ill patients. We tested accuracy and trending of a new pulse contour method and a modified Fick method using central venous oxygen saturation. We studied 21 critically ill and mechanically ventilated patients (age 20-86 years) monitored by PC (PulsioFlex®) and transpulmonary thermodilution (TPTD, PiCCO2®) as reference. At baseline, reference and PC-derived CI (CIPC) were recorded and CI obtained by Fick's method (FM, CIFICK)...
July 2016: Anaesthesia and Intensive Care
Claire Roger, Benjamin Louart, Guillaume Louart, Xavier Bobbia, Pierre-Geraud Claret, Antonia Perez-Martin, Laurent Muller, Jean-Yves Lefrant
OBJECTIVE: This study aimed to compare 2 fluid infusion rates of lactated Ringer (LR) and hydroxyethyl starch (HES) 130/0.4 on hemodynamic restoration at the early phase of controlled hemorrhagic shock. METHODS: Fifty-six anesthetized and ventilated piglets were bled until mean arterial pressure (MAP) reached 40 mm Hg. Controlled hemorrhage was maintained for 30 minutes. After this period, 4 resuscitation groups were studied (n=14 for each group): HES infused at 1 or 4mL/kg per minute or LR1 infused at 1 or 4mL/kg per minute until baseline MAP was restored...
September 2016: American Journal of Emergency Medicine
Tiziano Cassina, Alessandro Putzu, Luisa Santambrogio, Michele Villa, Marc Joseph Licker
BACKGROUND: Active mobilization is a key component in fast-track surgical strategies. Following major surgery, clinicians are often reluctant to mobilize patients arguing that circulatory homeostasis would be impaired as a result of myocardial stunning, fluid shift, and autonomic dysfunction. AIMS: We examined the feasibility and safety of a mobilization protocol 12-24 h after elective cardiac surgery. SETTING AND DESIGN: This observational study was performed in a tertiary nonacademic cardiovascular Intensive Care Unit...
July 2016: Annals of Cardiac Anaesthesia
Ali Vazir, Victoria L Simpkin, Philip Marino, Andrew Ludman, Winston Banya, Guido Tavazzi, Anthony J Bastin, Sarah Trenfield, Arshad Ghori, Peter D Alexander, Mark Griffiths, Susanna Price, Rakesh Sharma, Martin R Cowie
BACKGROUND: Patients with acute decompensated heart failure with diuretic resistance (ADHF-DR) have a poor prognosis. The aim of this study was to assess in patients with ADHF-DR, whether haemodynamic changes during ultrafiltration (UF) are associated with changes in renal function (Δcreatinine) and whether Δcreatinine post UF is associated with mortality. METHODS: Seventeen patients with ADHF-DR underwent 20 treatments with UF. Serial bloods (4-6 hourly) from the onset of UF treatment were measured for renal function, electrolytes and central venous saturation (CVO2)...
October 1, 2016: International Journal of Cardiology
J-Q Li, N Li, G-J Han, C-G Pan, Y-H Zhang, X-Z Shi, J-Y Xu, B Lu, M-Q Li
OBJECTIVE: To evaluate clinical effects of airway pressure release ventilation (APRV) in patients suffering from moderate to severe acute respiratory distress syndrome (ARDS).e of a patient presented with significant high aminotransferase levels due to the first human R. aeschlimannii infection ever detected in Italy. The hypothesis of rickettsiosis was made on the basis of a comprehensive medical history and was confirmed by serological tests. Molecular analyses made on a sample of hepatic tissue revealed the presence of a rickettsial species never found before in human liver...
June 2016: European Review for Medical and Pharmacological Sciences
Steven Gayer, Howard D Palte, Thomas A Albini, Harry W Flynn, Ricardo Martinez-Ruiz, Nelson Salas, Andrew J McClellan, Nidhi Relhan, Jean-Marie Parel
PURPOSE: Venous air embolism (VAE) during pars plana vitrectomy (PPV) can occur due to improper positioning of the infusion cannula in the suprachoroidal space and may lead to sudden compromise of cardiac circulation and death. In vivo demonstration of fatal VAE during PPV showing air can travel from the suprachoroidal space into the central circulation. DESIGN: Experimental in vivo surgical study on porcine eyes. METHOD: Experimental PPV under general anesthesia was performed on porcine eyes (Yorkshire species) at a University Surgical Training & Education Center...
June 24, 2016: American Journal of Ophthalmology
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