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253 papers 100 to 500 followers UL. Ultrasound in ICU
By Hans Christian Nyrerød Intensivist
John H Boyd, Demetrios Sirounis, Julien Maizel, Michel Slama
BACKGROUND: In critically ill patients at risk for organ failure, the administration of intravenous fluids has equal chances of resulting in benefit or harm. While the intent of intravenous fluid is to increase cardiac output and oxygen delivery, unwelcome results in those patients who do not increase their cardiac output are tissue edema, hypoxemia, and excess mortality. Here we briefly review bedside methods to assess fluid responsiveness, focusing upon the strengths and pitfalls of echocardiography in spontaneously breathing mechanically ventilated patients as a means to guide fluid management...
September 4, 2016: Critical Care: the Official Journal of the Critical Care Forum
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
Shiroh Isono, Warren S Sandberg, Yandong Jiang
No abstract text is available yet for this article.
May 2016: Anesthesiology
Mohamed M Tawfik, Ahmed A Elrefaey, Mostafa Abdelkhalek, Amany A Makroum
Preprocedural spinal ultrasound appears to decrease the failure rate and complications of neuraxial anesthesia compared to the conventional landmark technique. It is especially beneficial in difficult cases where conventional palpation technique may fail. We recently encountered a parturient with multiple lumbar and cervical spinal metastatic lesions presenting for cesarean section in the third trimester. We used spinal ultrasound to define the appropriate intervertebral space and measure the distance to the ligamentum flavum-dura mater complex...
December 2016: Journal of Clinical Monitoring and Computing
Chaeyoun Oh, Sanghoon Lee, Jeong-Meen Seo, Suk-Koo Lee
BACKGROUND/PURPOSE: Internal jugular vein (IJV) access is commonly performed in neonates and infants with open cut-down method. We report the results of ultrasound guided percutaneous venous access in newborn patients in the neonatal intensive care unit (NICU). METHODS: We retrospectively examined the medical records of NICU patients who underwent therapeutic percutaneous IJV access under ultrasound guidance from October 2015 to May 2015. Under general anesthesia, IJV was punctured with a 21 gauge needle after identification by ultrasound...
April 2016: Journal of Pediatric Surgery
J I Alonso-Fernández, J R Prieto-Recio, C García-Bernardo, I García-Saiz, J Rico-Feijoo, C Aldecoa
Unexpected acute respiratory failure after anesthesia is a diagnostic challenge: residual neuromuscular blockade, bronchial hyperresponsiveness, laryngospasm, atelectasis, aspiration pneumonitis, and other more uncommon causes should be taken into account at diagnosis. Lung ultrasound and echocardiography are diagnostic tools that would provide the differential diagnosis. We report a suspected case of a transfusion related acute lung injury (TRALI) following administration of platelets. The usefulness of lung and cardiac ultrasound is discussed to facilitate the challenging diagnosis of the acute early postoperative respiratory failure...
2015: Case Reports in Critical Care
Andrea Fanelli, Daniela Ghisi, Rita Maria Melotti
Ultrasound guidance currently represents the gold standard for regional anesthesia. In particular for lower extremity blocks, despite the heterogeneity and the lack of large randomized controlled trials, current literature shows a modest improvement in block onset and quality compared with other localization techniques. This review aims to present the most recent findings on the application of ultrasound guidance for each single lower extremity approach.
2016: F1000Research
Davinder Ramsingh, Ethan Frank, Robert Haughton, John Schilling, Kimberly M Gimenez, Esther Banh, Joseph Rinehart, Maxime Cannesson
BACKGROUND: Unrecognized malposition of the endotracheal tube (ETT) can lead to severe complications in patients under general anesthesia. The focus of this double-blinded randomized study was to assess the accuracy of point-of-care ultrasound in verifying the correct position of the ETT and to compare it with the accuracy of auscultation. METHODS: Forty-two adult patients requiring general anesthesia with ETT were consented. Patients were randomized to right main bronchus, left main bronchus, or tracheal intubation...
May 2016: Anesthesiology
A H Sørensen, K B Wemmelund, O K Møller-Helgestad, E Sloth, P Juhl-Olsen
INTRODUCTION: In critical care, early diagnosis and correct treatment are of the utmost importance. Focused ultrasonography has gained acceptance as a pivotal tool for this by elucidating the underlying pathology. For example, massive pulmonary embolism is characterised by right ventricular dilatation. However, theoretically these characteristics might also be generated by asphyxia and the consequent hypoxia. We aimed to evaluate the ultrasonographic characteristics of asphyxia in a porcine model...
February 2016: Acta Anaesthesiologica Scandinavica
Dirk Stengel, Grit Rademacher, Axel Ekkernkamp, Claas Güthoff, Sven Mutze
BACKGROUND: Ultrasonography (performed by means of a four-quadrant, focused assessment of sonography for trauma (FAST)) is regarded as a key instrument for the initial assessment of patients with suspected blunt abdominal and thoraco-abdominal trauma in the emergency department setting. FAST has a high specificity but low sensitivity in detecting and excluding visceral injuries. Proponents of FAST argue that ultrasound-based clinical pathways enhance the speed of primary trauma assessment, reduce the number of unnecessary multi-detector computed tomography (MDCT) scans, and enable quicker triage to surgical and non-surgical care...
September 14, 2015: Cochrane Database of Systematic Reviews
Amélie Bernier-Jean, Martin Albert, Ariel L Shiloh, Lewis A Eisen, David Williamson, Yanick Beaulieu
PURPOSE: In light of point-of-care ultrasonography's (POCUS) recent rise in popularity, assessment of its impact on diagnosis and treatment in the intensive care unit (ICU) is of key importance. METHODS: Ultrasound examinations were collected through an ultrasound reporting software in 6 multidisciplinary ICU units from 3 university hospitals in Canada and the United States. This database included a self-reporting questionnaire to assess the impact of the ultrasound findings on diagnosis and treatment...
March 2017: Journal of Intensive Care Medicine
Manoj M Lalu, Ashraf Fayad, Osman Ahmed, Gregory L Bryson, Dean A Fergusson, Carly C Barron, Patrick Sullivan, Calvin Thompson
OBJECTIVE: Although ultrasound guidance for subclavian vein catheterization has been well described, evidence for its use has not been comprehensively appraised. Thus, we conducted a systematic review and meta-analysis to determine whether ultrasound guidance of subclavian vein catheterization reduces catheterization failures and adverse events compared to the traditional "blind" landmark method. All forms of ultrasound were included (dynamic 2D ultrasound, static 2D ultrasound, and Doppler)...
July 2015: Critical Care Medicine
Darren K M Lam, Gareth N Corry, Ban C H Tsui
UNLABELLED: An earlier review to evaluate the quality and outcomes of studies assessing ultrasound imaging in regional anesthesia for the pediatric population considered articles published from 1994 to 2009 and showed some evidence in support of block-related outcomes (block onset, success, duration) and process-related outcomes (performance time, local anesthetic dose, and spread). At that time, strong evidence in the form of randomized controlled trials and well-designed prospective observational studies was limited, leading to a call for additional research...
March 2016: Regional Anesthesia and Pain Medicine
Florence Vial, Sébastien Mory, Philippe Guerci, Benoit Grandjean, Léa Petry, Adeline Perrein, Hervé Bouaziz
PURPOSE: Anesthesia is a medical specialty where a large number of technical skills need to be mastered with the learning curve for these skills depending on both the technique and the individual involved. The transversus abdominis plane (TAP) block has demonstrated its effectiveness especially in postoperative analgesia following midline laparotomy. It is usually described as a simple technique even though little is known about the learning curve for this block. The purpose of this study was to determine the learning curve for ultrasound-guided TAP block in anesthesiologists who had no prior experience performing the block...
June 2015: Canadian Journal of Anaesthesia, Journal Canadien D'anesthésie
G Volpicelli, L A Melniker, L Cardinale, A Lamorte, M F Frascisco
Chronic heart failure is a complex clinical syndrome often characterised by recurrent episodes of acute decompensation. This is acknowledged as a major public health problem, leading to a steadily increasing number of hospitalisations in developed countries. In decompensated heart failure, the redistribution of fluids into the pulmonary vascular bed leads to respiratory failure, a common cause of presentation to the emergency department. The ability to diagnose, quantify and monitor pulmonary congestion is particularly important in managing the disease...
March 2013: La Radiologia Medica
Mariantina Fragou, Andreas Gravvanis, Vasilios Dimitriou, Apostolos Papalois, Gregorios Kouraklis, Andreas Karabinis, Theodosios Saranteas, John Poularas, John Papanikolaou, Periklis Davlouros, Nicos Labropoulos, Dimitrios Karakitsos
OBJECTIVE: Subclavian vein catheterization may cause various complications. We compared the real-time ultrasound-guided subclavian vein cannulation vs. the landmark method in critical care patients. DESIGN: Prospective randomized study. SETTING: Medical intensive care unit of a tertiary medical center. PATIENTS: Four hundred sixty-three mechanically ventilated patients enrolled in a randomized controlled ISRCTN-registered trial (ISRCTN-61258470)...
July 2011: Critical Care Medicine
Zhirajr Mokini, Giovanni Vitale, Gabriele Aletti, Valentina Sacchi, Tommaso Mauri, Valentina Colombo, Roberto Fumagalli, Antonio Pesenti
BACKGROUND: Inguinal field block (IFB) is a recommended technique for pain control after inguinal hernia repair but is also underused by surgeons. Currently, there is no decisive evidence on which technique, IFB or spinal anesthesia block (SAB), provides better pain control during the first day after hernia repair. In this study, we compared ultrasound-guided IFB performed by anesthesiologists and SAB for pain control during the first day after hernia repair. METHODS: We compared static and dynamic pain scores measured with a numerical rating scale in 86 male patients scheduled for elective unilateral inguinal hernia repair with either ultrasound-guided IFB (n = 42) or SAB (n = 44)...
February 2015: Surgery
José L Díaz-Gómez, Silvia Perez-Protto, Jennifer Hargrave, Angela Builes, Michelle Capdeville, Emir Festic, Sajid Shahul
OBJECTIVE: To investigate the impact of a sequence of educational interventions in a one-day course on focused transthoracic echocardiography (FOTE) by anesthesia and critical care practitioners. DESIGN: A prospective analysis of the educational data. SETTING: Educational setting in two academic medical centers and a medical meeting workshop organized by one of these institutions. PARTICIPANTS: Fifty-six anesthesia and critical care providers, divided into three groups, participated separately in a FOTE training course...
2015: Journal of Cardiothoracic and Vascular Anesthesia
Dalim Kumar Baidya, Chandralekha, Vanlal Darlong, Ravindra Pandey, Devalina Goswami, Souvik Maitra
BACKGROUND: Ultrasound (US)-guided short-axis approach for internal jugular vein (IJV) cannulation does not fully protect patients from inadvertent carotid artery (CA) puncture. Carotid puncture is not rare (occurring in up to 4% of all IJV cannulations) despite the use of US. OBJECTIVES: Compare the sonoanatomy of the "medial-oblique approach" probe position with the classic US-guided "short-axis" probe position, specifically: relation of internal CA and IJV; vertical and horizontal diameter of IJV; and degree of overlapping of IJV with CA...
May 2015: Journal of Emergency Medicine
Jason McVicar, Ahtsham U Niazi, Harry Murgatroyd, Ki Jinn Chin, Vincent W Chan
BACKGROUND AND OBJECTIVES: Ultrasound-guided needle placement is a widely used technical skill that can be challenging to learn. The SonixGPS is a novel ultrasound needle-tracking system that has the potential to improve performance over traditional ultrasound systems. The objective of our study was to determine if the use of the SonixGPS ultrasound system improves performance of novice practitioners in ultrasound-guided needle placement compared with conventional ultrasound in the out-of-plane approach on a simulation model...
March 2015: Regional Anesthesia and Pain Medicine
2015-02-07 23:40:19
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