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IVC collapsibility

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https://www.readbyqxmd.com/read/27878445/can-non-invasive-ventilation-modify-central-venous-pressure-comparison-between-invasive-measurement-and-ultrasonographic-evaluation
#1
Maurizio Zanobetti, Alessio Prota, Alessandro Coppa, Laura Giordano, Sofia Bigiarini, Peiman Nazerian, Francesca Innocenti, Alberto Conti, Federica Trausi, Simone Vanni, Giuseppe Pepe, Riccardo Pini
Central venous pressure (CVP) is primarily measured to assess intravascular volume status and heart preload. In clinical practice, the measuring device most commonly used in emergency departments and intensive care units, is an electronic transducer that interconnects a central venous catheter (CVC) with a monitoring system. Non-invasive ventilation (NIV) consists in a breathing support that supplies a positive pressure in airways through a mask or a cask though not using an endotracheal prosthesis. In emergency settings, non-invasive ultrasonography evaluation of CVP, and hence of intravascular volume status entail the measurement by a subxiphoid approach of inferior vena cava diameter and its variations in relation to respiratory activity...
November 22, 2016: Internal and Emergency Medicine
https://www.readbyqxmd.com/read/27849950/308-ivc-collapsibility-shows-promise-in-detecting-fluid-responsiveness-among-critically-ill-patients
#2
Keith Corl, Naomi George, Justin Romanoff, Andrew Levinson, Roland Merchant, Mitchell Levy, Anthony Napoli
No abstract text is available yet for this article.
December 2016: Critical Care Medicine
https://www.readbyqxmd.com/read/27822948/delayed-high-output-heart-failure-due-to-arteriovenous-fistula-complicated-with-herniated-disc-surgery
#3
Taeshik Park, Sang Ho Park, Alok Arora
A 36-year-old male presented with progressive exertional dyspnea over months. Physical examination showed jugular venous distension, lung crecipitations, femoral bruit and pitting pedal edema. Echocardiogram showed a dilated right ventricle with severe pulmonary hypertension and a non collapsing inferior vena cava (IVC). On right heart catheterization, IVC oxygen saturation was noted at 92% suggesting arterial mixing; a computed tomography of the abdomen showed a fistula between the right common iliac artery to the right common iliac vein at L4 level and a massive IVC; this was linked to trauma from a disectomy done 16 years ago at L4-L5 level...
December 2016: Journal of Korean Medical Science
https://www.readbyqxmd.com/read/27762259/inferior-vena-cava-collapsibility-index-is-a-valuable-and-non-invasive-index-for-elevated-general-heart-end-diastolic-volume-index-estimation-in-septic-shock-patients
#4
Jie Zhao, Guolin Wang
BACKGROUND This study aimed to investigate the relationship between the inferior vena cava respirophasic variation (IVC collapsibility index [IVCCI]) and the general heart end-diastolic volume index (GEDVI). By determining the above relationship, we could evaluate the utility of IVCCI as an indicator. MATERIAL AND METHODS Forty-two septic patients were finally enrolled in this study. The inferior vena cava's diameter was measured with the largest at the end of expiration (IVC3) and with the smallest at the end of inspiration (IVCi) on the ultrasound (IVCCI=[(IVCD e - IVCD i)/IVCD e] ×100%)...
October 20, 2016: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/27714415/intravertebral-cleft-in-pathological-vertebral-collapse-resulting-from-cancer-metastasis-report-of-three-cases
#5
Hiroshi Hatano, Naoki Oike, Takashi Ariizumi, Taro Sasaki, Hiroyuki Kawashima
Intravertebral cleft (IVC) is a common finding in osteoporotic compression fracture. However, since the vertebral collapse attributable to cancer metastasis is rarely associated with IVC, the phenomenon is generally considered as a sign of a benign lesion. In this study, we retrospectively reviewed the radiographs, computed tomography scans, and magnetic resonance images of 111 patients with spinal metastasis. Three cases (2.7 %) had IVC in the collapsed thoracic vertebral bodies (T7, T8, and T11) attributable to cancer metastasis...
December 2016: Skeletal Radiology
https://www.readbyqxmd.com/read/27648024/a-non-invasive-method-for-assessment-of-intravascular-fluid-status-inferior-vena-cava-diameters-and-collapsibility-index
#6
Sinan Karacabey, Erkman Sanri, Ozlem Guneysel
OBJECTIVE: To evaluate the correlation between central venous pressure (CVP) and inferior vena cava (IVC) diameters measured by ultrasonography (Ultrasound) in critically ill patients. METHODS: Intubated critically ill patients were enrolled. The CVP values were measured using a U-tube manometer and were compared to the IVC diameters and collapsibility index, which were measured by bedside Ultrasound. Patients younger than 18 years old, who were not intubated, who had an abdominal pressure greater than 12 mmHg, and/or who were admitted for trauma were excluded from the study...
July 2016: Pakistan Journal of Medical Sciences Quarterly
https://www.readbyqxmd.com/read/27623502/echocardiographic-characterization-of-the-inferior-vena-cava-in-trained-and-untrained-females
#7
Kristofer Hedman, Eva Nylander, Jan Henriksson, Niclas Bjarnegård, Lars Brudin, Éva Tamás
The aim of the study was to explore the long- and short-axis dimensions, shape and collapsibility of the inferior vena cava in 46 trained and 48 untrained females (mean age: 21 ± 2 y). Echocardiography in the subcostal view revealed a larger expiratory long-axis diameter (mean: 24 ± 3 vs. 20 ± 3 mm, p < 0.001) and short-axis area (mean: 5.5 ± 1.5 vs. 4.7 ± 1.4 cm(2), p = 0.014) in trained females. IVC shape (the ratio of short-axis major to minor diameters) and the relative decrease in IVC dimension with inspiration were similar for the two groups...
December 2016: Ultrasound in Medicine & Biology
https://www.readbyqxmd.com/read/27590048/the-assessment-of-circulating-volume-using-inferior-vena-cava-collapse-index-and-carotid-doppler-velocity-time-integral-in-healthy-volunteers-a-pilot-study
#8
Tom Peachey, Andrew Tang, Elinor C Baker, Jason Pott, Yonathan Freund, Tim Harris
BACKGROUND: Assessment of circulating volume and the requirement for fluid replacement are fundamental to resuscitation but remain largely empirical. Passive leg raise (PLR) may determine fluid responders while avoiding potential fluid overload. We hypothesised that inferior vena cava collapse index (IVCCI) and carotid artery blood flow would change predictably in response to PLR, potentially providing a non-invasive tool to assess circulating volume and identifying fluid responsive patients...
2016: Scandinavian Journal of Trauma, Resuscitation and Emergency Medicine
https://www.readbyqxmd.com/read/27557621/ultrasonography-of-inferior-vena-cava-to-determine-central-venous-pressure-a-meta-analysis-and-meta-regression
#9
Mostafa Alavi-Moghaddam, Ali Kabir, Majid Shojaee, Mohammad Manouchehrifar, Mehrdad Moghimi
BACKGROUND: Until now, no valid alternative exists for predicting central venous pressure (CVP) with lower invasiveness than central venous catheter. PURPOSE: To explore inferior vena cava diameter (IVCD) measurement accuracy by ultrasonography as a surrogate variable for determination of central venous pressure (CVP). MATERIAL AND METHODS: A systematic review and meta-analysis of all published studies in PubMed, Scopus, Web of Knowledge, and Google Scholar were conducted from inception to July 2013...
August 24, 2016: Acta Radiologica
https://www.readbyqxmd.com/read/27542597/the-efficacy-of-sonographic-measurement-of-inferior-vena-cava-diameter-as-an-estimate-of-central-venous-pressure
#10
REVIEW
William Ciozda, Ilan Kedan, Devin W Kehl, Raymond Zimmer, Raj Khandwalla, Asher Kimchi
BACKGROUND: Central venous pressure (CVP) and right atrial pressure (RAP) are important parameters in the complete hemodynamic assessment of a patient. Sonographic measurement of the inferior vena cava (IVC) diameter is a non-invasive method of estimating these parameters, but there are limited data summarizing its diagnostic accuracy across multiple studies. We performed a comprehensive review of the existing literature to examine the diagnostic accuracy and clinical utility of sonographic measurement of IVC diameter as a method for assessing CVP and RAP...
August 20, 2016: Cardiovascular Ultrasound
https://www.readbyqxmd.com/read/27522515/intraoperative-tte-inferior-vena-cava-monitoring-in-elderly-orthopaedic-patients-with-cardiac-disease-and-spinal-induced-hypotension
#11
Theodosios Saranteas, Dimitrios Manikis, Thomas Papadimos, Andreas F Mavrogenis, Georgia Kostopanagiotou, Fotios Panou
Objective To address the role of transthoracic echocardiography in inferior vena cava (IVC) monitoring in the management of haemodynamically unstable elderly patients subjected to lower limb orthopaedic surgery under spinal anesthesia. Possible implications in the postoperative care unit (PACU) length of stay (LOS) are investigated. Methods 41 elderly patients with cardiac diseases were recruited. Patients experiencing intraoperative haemodynamic instability (diastolic blood pressure ≤ 60 mmHg) were divided into two groups according to right atrial pressure (RAP), (RAP < 5 mmHg and RAP between 5 and 10 mmHg) as measured by inferior vena cava collapsibility index (IVCCI)...
August 13, 2016: Journal of Clinical Monitoring and Computing
https://www.readbyqxmd.com/read/27421648/an-observational-study-using-ultrasound-to-assess-physiological-changes-following-fluid-bolus-administration-in-paediatric-sepsis-in-the-emergency-department
#12
Elliot Long, Ed Oakley, Franz E Babl, Trevor Duke
BACKGROUND: Fluid bolus administration is widely recommended as part of the initial treatment of paediatric sepsis, though the physiological benefits and harms are unclear. The primary aim of this study is to determine the effect of fluid bolus administration on cardiac index (CI). Secondary aims are to determine the effect of fluid bolus administration on extra-vascular lung water (EVLW), whether fluid responsiveness can be predicted by inferior vena cava (IVC) collapsibility, and whether fluid responsiveness correlates with changes in vital signs...
July 15, 2016: BMC Pediatrics
https://www.readbyqxmd.com/read/27396536/amino-terminal-pro-b-type-natriuretic-peptide-inferior-vena-cava-ultrasound-and-biolectrical-impedance-analysis-for-the-diagnosis-of-acute-decompensated-chf
#13
Paloma Gil Martínez, Daniel Mesado Martínez, Jose Curbelo García, Julen Cadiñanos Loidi
BACKGROUND: Both Framingham criteria and natriuretic peptides (NPs) may worsen their diagnostic validity for acute decompensated heart failure (ADHF) in elderly patients with comorbidities, mainly renal failure. Ultrasound of inferior vena cava (IVCu) and bioelectrical impedance analysis (BIA) are useful tools for detecting ADHF, although their utility compared with NP is not fully established. METHODS AND RESULTS: We conducted a prospective study with 96 patients who presented at the emergency department with dyspnea and were classified as ADHF and non-ADHF groups...
September 2016: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/27377526/noninvasive-assessment-of-pulmonary-artery-pressure-in-patients-with-extracardiac-conduit-total-cavopulmonary-connection
#14
Gholam Hossein Ajami, Hamid Mohammadi, Ahmad Ali Amirghofran, Mohammad Borzouee, Hamid Amoozgar, Sirous Cheriki, Mohammad Reza Edraki, Nima Mehdizadegan, Hamid Arabi, Fathi Alvasabi, Amir Naghshzan
To assess quantitative measurement of mean pulmonary artery pressure (PAP) in extracardiac total cavopulmonary connection (TCPC) patients by noninvasive echocardiographic inferior vena cava collapsibility index (IVC-CI) and also correlation between the peripheral vein pressure and mean PAP. In 19 TCPC patients with at least 1-year follow-up after completion of TCPC, complete echocardiography including IVC-CI was recorded. All patients underwent cardiac catheterization for mean PAP pressure, peripheral vein pressure (PVP) and contrast study...
October 2016: Pediatric Cardiology
https://www.readbyqxmd.com/read/27267175/ultrasonographic-caval-indices-do-not-significantly-contribute-to-predicting-fluid-responsiveness-immediately-after-coronary-artery-bypass-grafting-when-compared-to-passive-leg-raising
#15
Dorota Sobczyk, Krzysztof Nycz, Pawel Andruszkiewicz, Karol Wierzbicki, Maciej Stapor
BACKGROUND: Appropriate fluid management is one of the most important elements of early goal-directed therapy after cardiothoracic surgery. Reliable determination of fluid responsivenss remains the fundamental issue in volume therapy. The purpose of the study was to assess the usefulness of dynamic IVC-derived parameters (collapsibility index, distensibility index) in comparison to passive leg raising, in postoperative fluid management in mechanically ventilated patients with left ventricular ejection fraction ≥ 30 %, immediately after elective coronary artery bypass grafting...
June 8, 2016: Cardiovascular Ultrasound
https://www.readbyqxmd.com/read/27264844/admission-inferior-vena-cava-measurements-are-associated-with-mortality-after-hospitalization-for-acute-decompensated-heart-failure
#16
Pilar Cubo-Romano, Juan Torres-Macho, Nilam J Soni, Luis F Reyes, Ana Rodríguez-Almodóvar, Juan Manuel Fernández-Alonso, Rosa González-Davia, José Manuel Casas-Rojo, Marcos I Restrepo, Gonzalo García de Casasola
BACKGROUND: Prognostication of patients hospitalized with acute decompensated heart failure (ADHF) is important to patients, providers, and healthcare systems. Few bedside tools exist to prognosticate patients hospitalized with ADHF. OBJECTIVE: The objective of this study was to assess the relationship between inferior vena cava (IVC) diameter and postdischarge mortality in patients hospitalized with ADHF. DESIGN: Prospective observational study...
June 6, 2016: Journal of Hospital Medicine: An Official Publication of the Society of Hospital Medicine
https://www.readbyqxmd.com/read/27196051/dynamic-measurement-of-hemodynamic-parameters-and-cardiac-preload-in-adults-with-dengue-a-prospective-observational-study
#17
Vipa Thanachartwet, Anan Wattanathum, Duangjai Sahassananda, Petch Wacharasint, Supat Chamnanchanunt, Ei Khine Kyaw, Akanitt Jittmittraphap, Mali Naksomphun, Manoon Surabotsophon, Varunee Desakorn
Few previous studies have monitored hemodynamic parameters to determine the physiological process of dengue or examined inferior vena cava (IVC) parameters to assess cardiac preload during the clinical phase of dengue. From January 2013 to July 2015, we prospectively studied 162 hospitalized adults with confirmed dengue viral infection using non-invasive cardiac output monitoring and bedside ultrasonography to determine changes in hemodynamic and IVC parameters and identify the types of circulatory shock that occur in patients with dengue...
2016: PloS One
https://www.readbyqxmd.com/read/27108039/cardiac-variation-of-internal-jugular-vein-for-the-evaluation-of-hemodynamics
#18
Kensuke Nakamura, Kun Qian, Takehiro Ando, Ryota Inokuchi, Kent Doi, Etsuko Kobayashi, Ichiro Sakuma, Susumu Nakajima, Naoki Yahagi
Evaluations of intravascular fluid volume are considered to be one of the most important assessments in emergency and intensive care. Focusing on pulse-induced variation of the internal jugular vein (IJV) area, i.e., cardiac variation, we investigated its correlation with various hemodynamic indices using newly developed software. Software that automatically can track and analyze the IJV during ultrasonography was developed. Eleven healthy patients were subjected to an exercise load to increase their stroke volume (SV) and a dehydration load to decrease their central venous pressure (CVP)...
August 2016: Ultrasound in Medicine & Biology
https://www.readbyqxmd.com/read/27090394/ultrasound-measurement-of-inferior-vena-cava-collapse-predicts-propofol-induced-hypotension
#19
Arthur K Au, Dean Steinberg, Christopher Thom, Maziar Shirazi, Dimitrios Papanagnou, Bon S Ku, J Matthew Fields
STUDY OBJECTIVES: Hypotension is a common side effect of propofol, but there are no reliable methods to determine which patients are at risk for significant propofol-induced hypotension (PIH). Ultrasound has been used to estimate volume status by visualization of inferior vena cava (IVC) collapse. This study explores whether IVC assessment by ultrasound can assist in predicting which patients may experience significant hypotension. METHODS: This was a prospective observational study conducted in the operating suite of an urban community hospital...
June 2016: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/27026172/respiratory-collapse-of-the-inferior-vena-cava-reflects-volume-shift-and-subsequent-fluid-refill-in-acute-heart-failure-syndrome
#20
Tomohiro Asahi, Marohito Nakata, Namio Higa, Mamoru Manita, Kazuhiko Tabata, Michio Shimabukuro
BACKGROUND: Fluid redistribution rather than fluid accumulation plays an important role in the development of acute heart failure (HF) syndrome. Patients with fluid redistribution develop acute HF without prominent volume overload. We investigated volume status by measuring the diameter of the inferior vena cava (IVC) and examining variations in hemoglobin and hematocrit. METHODS AND RESULTS: Seventy-four consecutive patients admitted for acute HF syndrome were analyzed...
April 25, 2016: Circulation Journal: Official Journal of the Japanese Circulation Society
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