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pulmonary artery catheter

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https://www.readbyqxmd.com/read/28917557/idiopathic-ventricular-arrhythmias-originating-from-the-right-coronary-sinus-prevalence-electrocardiographic-and-electrophysiologic-characteristics-and-catheter-ablation
#1
Yunlong Wang, Zhuo Liang, Shaoqin Wu, Zhihong Han, Xuejun Ren
BACKGROUND: Ventricular arrhythmias (VAs) of right coronary cusp (RCC) are not fully characterized. OBJECTIVES: To investigate the electrocardiographic and electrophysiologic characteristics, mapping and ablation of RCC-VAs. METHODS: Among 256 consecutive patients undergoing electrophysiologic evaluation and ablation of VAs of ventricular outflow tract origin, data were compared among 27 RCC-VAs, 50 VAs of the septal aspect of right ventricular outflow tract (RVOT, including from pulmonary artery) and 9 VAs of left coronary cusp (LCC)...
September 13, 2017: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/28910912/-percutaneous-catheterization-for-extracorporeal-membrane-oxygenation-a-retrospective-case-series
#2
X Y Li, H Y He, X Tang, R Wang, C Y Zhang, S Q Wang, B Sun, Z H Tong
Objective: To review the experience of percutaneous catheterization for extracorporeal membrane oxygenation (ECMO) by respiratory intensivists at a single institution. Methods: A retrospective review of 87 patients undergoing percutaneous catheterization for ECMO in Department of Respiratory and Critical Care Medicine of Beijing Chaoyang Hospital from November 2009 to January 2017. Subject demographics, type of support, cannulation configuration, types of cannulas, use of imaging modalities, and complications were recorded and summarized...
September 12, 2017: Chinese Journal of Tuberculosis and Respiratory Diseases
https://www.readbyqxmd.com/read/28902381/-organ-interactions-heart-and-lung-management-of-the-acute-right-heart-failure
#3
Guido Michels, Roman Pfister
The pathophysiology and the management of patients with acute right heart failure are very complex. The bed-side focused echocardiography is the basis of differential diagnosis and acute diagnosis. Individual therapy monitoring is complex due to the strong preload dependence of the right ventricle and the limitation of non-invasive estimation of pulmonary-vascular hemodynamics, so that the indication for a pulmonary artery catheter should be liberal in acute right heart failure. The treatment goals of acute right heart failure are the treatment of the underlying disease or triggering factors in combination with individualized optimization of hemodynamic tailored to current right-ventricular function...
September 2017: Deutsche Medizinische Wochenschrift
https://www.readbyqxmd.com/read/28900890/high-level-of-venous-thromboembolism-in-critically-ill-trauma-patients-despite-early-and-well-driven-thromboprophylaxis-protocol
#4
S R Hamada, C Espina, T Guedj, R Buaron, A Harrois, S Figueiredo, J Duranteau
BACKGROUND: Venous thromboembolism (VTE) is one of the most common preventable causes of in-hospital death in trauma patients surviving their injuries. We assessed the prevalence, incidence and risk factors for deep venous thrombosis (DVT) and pulmonary embolism (PE) in critically ill trauma patients, in the setting of a mature and early mechanical and pharmacological thromboprophylaxis protocol. METHODS: This was a prospective observational study on a cohort of patients from a surgical intensive care unit of a university level 1 trauma centre...
September 12, 2017: Annals of Intensive Care
https://www.readbyqxmd.com/read/28899895/biomechanical-and-hemodynamic-measures-of-right-ventricular-diastolic-function-translating-tissue-biomechanics-to-clinical-relevance
#5
Sae Jang, Rebecca R Vanderpool, Reza Avazmohammadi, Eugene Lapshin, Timothy N Bachman, Michael Sacks, Marc A Simon
BACKGROUND: Right ventricular (RV) diastolic function has been associated with outcomes for patients with pulmonary hypertension; however, the relationship between biomechanics and hemodynamics in the right ventricle has not been studied. METHODS AND RESULTS: Rat models of RV pressure overload were obtained via pulmonary artery banding (PAB; control, n=7; PAB, n=5). At 3 weeks after banding, RV hemodynamics were measured using a conductance catheter. Biaxial mechanical properties of the RV free wall myocardium were obtained to extrapolate longitudinal and circumferential elastic modulus in low and high strain regions (E1 and E2, respectively)...
September 12, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28890555/perioperative-fluid-management-from-physiology-to-improving-clinical-outcomes
#6
REVIEW
Victoria A Bennett, Maurizio Cecconi
Perioperative fluid management is a key component in the care of the surgical patient. It is an area that has seen significant changes and developments, however there remains a wide disparity in practice between clinicians. Historically, patients received large volumes of intravenous fluids perioperatively. The concept of goal directed therapy was then introduced, with the early studies showing significant improvements in morbidity and mortality. The current focus is on fluid therapy guided by an individual patient's physiology...
August 2017: Indian Journal of Anaesthesia
https://www.readbyqxmd.com/read/28876405/oxygen-saturation-and-lactate-concentration-gradient-from-the-right-atrium-to-the-pulmonary-artery-in-the-immediate-postoperative-following-cardiac-surgery-with-extracorporeal-circulation
#7
Juan Carlos Pendino, Leonardo Hess, Sergio Beltrame, Gonzalo Aldamiz-Echevarría Castillo, John Trujillo
Objective: This prospective study aimed to characterize the changes in blood lactate concentration and blood oxygen saturation in patients during the immediate postoperative period of cardiac surgery with extracorporeal circulation. Methods: Blood samples were collected from 35 patients in a rapid and random order from the arterial line and from the proximal and distal port of a pulmonary artery catheter. Results: The results showed no statistically significant differences between the blood oxygen saturation in the right atrium (72% ± 0...
September 4, 2017: Revista Brasileira de Terapia Intensiva
https://www.readbyqxmd.com/read/28875371/the-effective-systematic-heparin-pre-treatment-on-thrombus-formation-on-pulmonary-artery-catheter-tips-during-pulmonary-endarterectomy-for-chronic-thromboembolic-pulmonary-hypertension-a-randomized-double-blind-study
#8
Christoph B Wiedenroth, Christoph Liebetrau, Henning Gall, Thomas Risch, Matthias Arlt, Eckhard Mayer, Stefan Guth
Pulmonary artery (PA) catheters are routinely used for hemodynamic management in patients with chronic thromboembolic pulmonary hypertension (CTEPH) undergoing pulmonary endarterectomy (PEA). Tip-associated thrombi are frequently detected and might increase the peri-operative risk in these patients. The aim of the study was to investigate the effects of low-dose heparinization before the insertion of the PA catheter on thrombus formation and thrombus weight during PEA surgery. From September 2013 to February 2015, 60 CTEPH patients undergoing PEA were included in the study and randomized into two groups of 30 patients each, including a heparin group (heparin bolus (70 IU per kg body weight) administration before PA catheter insertion) and a control group (pretreatment with placebo)...
September 5, 2017: Journal of Thrombosis and Thrombolysis
https://www.readbyqxmd.com/read/28864224/catheter-directed-therapy-as-a-treatment-for-submassive-pulmonary-embolism-a-meta-analysis
#9
Xiao-Fang Li, Cheng-Quan Wan, Xue-Gai He, Jia-Yong Qiu, Dan-Yang Li, Yu-Xia Sun, Yi-Min Mao
AIMS: Catheter-directed therapy (CDT) is included in the guidelines for diagnosing and treating massive pulmonary embolism. However, few studies have evaluated the efficacy of CDT as a treatment for submassive pulmonary embolism (SPE). Therefore, we used evidence-based medicine to evaluate the effectiveness and safety of CDT in treating SPE. METHODS: Search terms describing CDT in SPE and patients with intermediate pulmonary embolism were entered into the PubMed, Embase and Cochrane Library databases to identify relevant articles without language restrictions published between January 1990 and December 2016...
August 29, 2017: Life Sciences
https://www.readbyqxmd.com/read/28862538/postoperative-continuous-catheter-infused-local-anesthetic-reduces-pain-scores-and-narcotic-use-after-lower-extremity-revascularization
#10
William Shutze, William P Shutze, Purvi Prajapati, Gerald Ogola, Jordan Schauer, Emily Biller, Nicholas Douville, Ryan A Shutze
Objective Postoperative pain following lower extremity revascularization procedures is traditionally controlled with narcotic administration. However, this may not adequately control the pain and puts the patient at risk for complications from opiate use. Here we report an alternative strategy for pain management using a continuous catheter-infused local anesthetic into the operative limb. Design Retrospective case-control study. Methods Patients undergoing lower extremity revascularization procedures using continuous catheter-infused local anesthetic were compared to similar patients undergoing similar procedures during the same time period who did not receive continuous catheter-infused local anesthetic...
January 1, 2017: Vascular
https://www.readbyqxmd.com/read/28856576/changes-in-transcranial-motor-evoked-potentials-during-hemorrhage-are-associated-with-increased-serum-propofol-concentrations
#11
Jeremy A Lieberman, John Feiner, Mark Rollins, Russ Lyon
Transcranial motor evoked potentials (TcMEPs) monitor the integrity of the spinal cord during spine surgery. Propofol-based anesthesia is favored in order to enhance TcMEP quality. During intraoperative hemorrhage, TcMEP amplitudes may be reduced. The serum concentration of propofol may increase during hemorrhage. No study has determined whether changes in TcMEPs due to hemorrhage are related to changes in propofol blood levels. We monitored TcMEPs, mean arterial pressure (MAP), and cardiac output (CO) and hemoglobin in pigs (n = 6) undergoing controlled progressive hemorrhage during a standardized anesthetic with infusions of propofol, ketamine, and fentanyl...
August 30, 2017: Journal of Clinical Monitoring and Computing
https://www.readbyqxmd.com/read/28851719/surgical-and-catheter-based-reinterventions-are-common-in-long-term-survivors-of-the-fontan-operation
#12
Tacy E Downing, Kiona Y Allen, David J Goldberg, Lindsay S Rogers, Chitra Ravishankar, Jack Rychik, Stephanie Fuller, Lisa M Montenegro, James M Steven, Matthew J Gillespie, Jonathan J Rome, Thomas L Spray, Susan C Nicolson, J William Gaynor, Andrew C Glatz
BACKGROUND: There are limited follow-up studies examining surgical and catheter-based reinterventions in long-term survivors of the Fontan operation. METHODS AND RESULTS: All 773 patients who underwent Fontan at our institution between 1992 and 2009 were retrospectively reviewed. Current information regarding post-Fontan intervention was available for 70%. By 20 years after Fontan, 65% of patients had experienced either surgical or transcatheter intervention. The median time to first reintervention was 9...
September 2017: Circulation. Cardiovascular Interventions
https://www.readbyqxmd.com/read/28839102/the-beginnings-of-cardiac-catheterization-and-the-resulting-impact-on-pulmonary-medicine
#13
John B West
The early history of cardiac catheterization has many interesting features. First, although it would be natural to assume that the procedure was initiated by cardiologists, two of the three people who shared the Nobel Prize for the discovery were pulmonologists, while the third was a urologist. The primary objective of the pulmonologists, André Cournand and Dickinson Richards, was to obtain mixed venous blood from the right heart so that they could use to use the Fick principle to calculate total pulmonary blood flow...
August 24, 2017: American Journal of Physiology. Lung Cellular and Molecular Physiology
https://www.readbyqxmd.com/read/28838512/severe-tricuspid-regurgitation-after-percutaneous-removal-of-a-swan-ganz-catheter-caught-by-suture
#14
Marco Gennari, Antonio L Bartorelli, Gianluca Polvani, Manuela Muratori, Cristina Ferrari, Eleonora Penza, Francesco G Arlati, Marco Agrifoglio
Swan-Ganz catheter entrapment in the heart, vena cava, or pulmonary artery is rare but may lead to life-threatening events. We report a case of severe tricuspid regurgitation resulting from papillary muscle rupture during percutaneous removal of a Swan-Ganz catheter (SCG) caught by a surgical suture. We performed urgent tricuspid valve repair by suturing the ruptured papillary muscle. This report highlights preventive measures to avoid suture-related entrapment and raises a word of caution regarding percutaneous removal of accidentally entrapped SCGs...
September 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28831765/validation-of-transpulmonary-thermodilution-variables-in-hemodynamically-stable-patients-with-heart-diseases
#15
Matthias Peter Hilty, Daniel Peter Franzen, Christophe Wyss, Patric Biaggi, Marco Maggiorini
BACKGROUND: Transpulmonary thermodilution is recommended in the treatment of critically ill patients presenting with complex shock. However, so far it has not been validated in hemodynamically stable patients with heart disease. METHODS: We assessed the validity of cardiac output, global end-diastolic volume index (GEDVI), an established marker of preload thought to reflect the volume of all four heart chambers, global ejection fraction (GEF) and cardiac function index (CFI) as variables of cardiac function, and extravascular lung water index (EVLWI) as indicator of pulmonary edema in 29 patients undergoing elective left and right heart catheterization including left ventricular angiography with stable coronary heart disease and normal cardiac function (controls, n = 11), moderate-to-severe aortic valve stenosis (AS, n = 10), or dilated cardiomyopathy (DCM, n = 8)...
August 22, 2017: Annals of Intensive Care
https://www.readbyqxmd.com/read/28828935/a-retrospective-review-of-patients-with-massive-and-submassive-pulmonary-embolism-treated-with-angiojet-rheolytic-thrombectomy-with-decreased-complications-due-to-changes-in-thrombolytic-use-and-procedural-modifications
#16
Sundeep Das, Nikhil Das, Harvey Serota, Sriram Vissa
Objectives A retrospective review of treatment of patients with massive or submassive pulmonary embolism (PE) using AngioJet rheolytic thrombectomy (ART) system with procedural modifications to improve on the previously reported outcomes. Materials and Methods Thirteen patients underwent emergent pulmonary artery thrombectomy for massive and submassive PE using ART with pharmacological and procedural modification, in comparison to prior reports. The modifications included the selective use of the Solent Omni AngioJet device in all subjects, distal contrast angiography via the AngioJet catheter before device activation, and limited short run times...
January 1, 2017: Vascular
https://www.readbyqxmd.com/read/28827014/comparison-of-ultrasound-accelerated-versus-pigtail-catheter-directed-thrombolysis-for-the-treatment-of-acute%C3%A2-massive-and-submassive-pulmonary%C3%A2-embolism
#17
Assaf Graif, Christopher J Grilli, George Kimbiris, Demetrios J Agriantonis, Omar Z Chohan, Charles R Fedele, Mandip S Gakhal, Ansar Z Vance, Daniel A Leung
PURPOSE: To compare the technical and clinical effectiveness of ultrasound-accelerated endovascular thrombolysis (USAT) versus pigtail catheter-directed thrombolysis (PCDT) for the treatment of acute pulmonary embolism (PE). MATERIALS AND METHODS: A single-center retrospective study of patients treated with USAT or PCDT for acute massive or submassive PE between January 2010 and December 2016 was performed by reviewing electronic medical records. Sixty treatments were reviewed (mean patient age, 56...
August 18, 2017: Journal of Vascular and Interventional Radiology: JVIR
https://www.readbyqxmd.com/read/28826847/transesophageal-echocardiographic-assessment-of-pulmonary-artery-to-ascending-aorta-ratio-for-the-detection-of-pulmonary-hypertension-in-cardiac-surgical-patients
#18
Karthik Narendra Kumar, Naveen G Singh, Nagaraja P S, Thimmangouda A Patil, Manjunath N
OBJECTIVE: The objective of the study was to investigate if the main pulmonary artery (mPA)-to-ascending aorta (AscAo), (mPA:AscAo) ratio could serve as a screening tool in identifying pulmonary artery hypertension (PAH). DESIGN: A prospective observational study. SETTING: Tertiary care center, university hospital. PARTICIPANTS: Fifty-four adult patients undergoing off-pump coronary artery bypass grafting surgery (OPCAB)...
May 4, 2017: Journal of Cardiothoracic and Vascular Anesthesia
https://www.readbyqxmd.com/read/28815189/a-case-of-pulmonary-vein-thrombosis-associated-with-treatment-of-omalizumab
#19
Sandhya Narukonda, Nagadarshini Ramagiri Vinod, Medha Joshi
Pulmonary vein thrombosis (PVT) is a challenging diagnosis and has been described in association with or as a complication of pulmonary tumors, lung surgeries, atrial myxoma, and after radiofrequency catheter ablation for atrial fibrillation. There are not many reported cases of PVT associated with medication use. We present a case of a 53-year-old male with a history of severe persistent asthma on omalizumab, who presented with shortness of breath and was found to have PVT on computed tomography scan of the chest...
July 2017: Journal of Investigative Medicine High Impact Case Reports
https://www.readbyqxmd.com/read/28806628/complete-step-section-microscopic-study-of-a-swan-ganz-catheter-related-pulmonary-artery-rupture-a-frequently-lethal-complication-that-to-our-knowledge-has-not-had-a-comprehensive-microscopic-examination-case-report-and-literature-review
#20
Ya Xu, L Clarke Stout
BACKGROUND: Introduced in 1970, the Swan-Ganz catheter (SGC) soon became widely used because of its unique usefulness in managing intensive care patients. Unfortunately, SGC usage was complicated by pulmonary artery rupture (PAR) with a 50% mortality rate that led to a near banning of the SCG in the late 1980s. Increasing knowledge and decreasing incidence of SGC-related PARs (SGPARs) led to the current feeling that the present SGPAR incidence is now low enough to tolerate given the lives saved by SGC usage...
July 4, 2017: Cardiovascular Pathology: the Official Journal of the Society for Cardiovascular Pathology
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