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inferior vena cava index

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https://www.readbyqxmd.com/read/28372651/non-invasive-cardiac-output-monitor-validation-study-in-pediatric-cardiac-surgery-patients
#1
Christopher F Tirotta, Richard G Lagueruela, Danielle Madril, Evelio Velis, Jorge Ojito, Daniel Monroe, David Aguero, Marysory Irizarry, John McBride, Robert L Hannan, Redmond P Burke
STUDY OBJECTIVE: To validate a non-invasive cardiac output monitor in pediatric cardiac surgery patients. DESIGN: Prospective trial. SETTING: Operating room. PATIENTS: 20 pediatric cardiac surgery patients ASA physical status 3 and 4. INTERVENTIONS: Aesculon noninvasive cardiac output monitor was used and compared to the cardiac output derived from the Fick equation. Oxygen consumption was measured and blood samples were taken from the arterial line and from the superior and inferior vena cava...
May 2017: Journal of Clinical Anesthesia
https://www.readbyqxmd.com/read/28363617/exploring-the-best-predictors-of-fluid-responsiveness-in-patients-with-septic-shock
#2
Nianfang Lu, Xiuming Xi, Li Jiang, Degang Yang, Kai Yin
OBJECTIVE: To evaluate respiratory variations in carotid and brachial peak velocity and other hemodynamic parameters to predict responsiveness to fluid challenge. METHODS: A prospective observational study was performed on mechanically ventilated patients with septic shock. Outcomes included the measurements of central venous pressure, intrathoracic blood volume index, stroke volume variation (SVV), pleth variability index(PVI), and ultrasound assessments of respiratory variations in inferior vena cava diameter (ΔIVC), carotid Doppler peak velocity (ΔCDPV), and brachial artery peak velocity (ΔVpeak brach)...
March 22, 2017: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28359655/in-vitro-and-in-vivo-evaluation-of-a-novel-integrated-wearable-artificial-lung
#3
Shalv P Madhani, Brian J Frankowski, Greg W Burgreen, Jim F Antaki, Robert Kormos, Jonathan D'Cunha, William J Federspiel
BACKGROUND: Conventional extracorporeal membrane oxygenation (ECMO) is cumbersome and is associated with high morbidity and mortality. We are currently developing the Pittsburgh Ambulatory Assist Lung (PAAL), which is designed to allow for ambulation of lung failure patients during bridge to transplant or recovery. In this study, we investigated the in vitro and acute in vivo performance of the PAAL. METHODS: The PAAL features a 1.75-inch-diameter, cylindrical, hollow-fiber membrane (HFM) bundle of stacked sheets, with a surface area of 0...
March 4, 2017: Journal of Heart and Lung Transplantation
https://www.readbyqxmd.com/read/28348943/correlation-of-ivc-diameter-and-collapsibility-index-with-central-venous-pressure-in-the-assessment-of-intravascular-volume-in-critically-ill-patients
#4
Abid Ilyas, Wasib Ishtiaq, Salman Assad, Haider Ghazanfar, Salman Mansoor, Muhammad Haris, Aayesha Qadeer, Aftab Akhtar
OBJECTIVE: The objective of our study is to assess the correlation between inferior vena cava (IVC) diameters, central venous pressure (CVP) and the IVC collapsibility index for estimating the volume status in critically ill patients. METHODS: This cross-sectional study used the convenient sampling of 100 adult medical intensive care unit (ICU) patients for a period of three months. Patients ≥ 18 years of age with an intrathoracic central venous catheter terminating in the distal superior vena cava connected to the transducer to produce a CVP waveform were included in the study...
February 12, 2017: Curēus
https://www.readbyqxmd.com/read/28346330/differentiation-of-impaired-from-preserved-hemodynamics-in-patients-with-fontan-circulation-using-real-time-phase-velocity-cardiovascular-magnetic-resonance
#5
Hermann Körperich, Katja Müller, Peter Barth, Jürgen Gieseke, Nikolaus Haas, Ingram Schulze-Neick, Wolfgang Burchert, Deniz Kececioglu, Kai T Laser
PURPOSE: Progressive impairment of hemodynamics in patients with Fontan circulation is common, multifactorial, and associated with decreased quality of life and increased morbidity. We sought to assess hemodynamic differences between patients with preserved (preserved Fontans) and those with impaired circulation (impaired Fontans) after pulmonary vasodilation using oxygen and under forced breathing conditions. MATERIALS AND METHODS: Real-time phase-contrast cardiovascular magnetic resonance was performed using non-ECG triggered echo-planar imaging (temporal resolution=24 to 28 ms) in the ascending aorta (AAo) and superior vena cava (SVC)/inferior vena cava (IVC) on room air, after 100% oxygen inhalation (4 L/min; 10 min) and on forced breathing in 29 Fontan patients (17...
May 2017: Journal of Thoracic Imaging
https://www.readbyqxmd.com/read/28292566/impact-of-anticoagulation-in-elderly-patients-with-pulmonary-embolism-that-undergo-ivc-filter-placement-a-retrospective-cohort-study
#6
John M Falatko, Bhavinkumar Dalal, Lihua Qu
BACKGROUND: Anticoagulation is the primary treatment for pulmonary embolism (PE). Inferior vena cava (IVC) filters are an adjunctive intervention to prevent recurrent pulmonary embolism. Long-term outcomes in elderly patients with contraindications to anticoagulation after IVC filter placement for prevention of recurrent pulmonary embolism have yet to be assessed. MATERIALS AND METHODS: Patients ≥60years of age, that had an IVC filter placed between January 1st, 2008 and February 2nd, 2013, with a primary diagnosis of pulmonary embolism, were included...
February 28, 2017: Heart, Lung & Circulation
https://www.readbyqxmd.com/read/28291716/the-relevance-of-readmissions-after-common-ir-procedures-readmission-rates-and-association-with-early-mortality
#7
Ammar Sarwar, Lujia Zhou, Nihara Chakrala, Olga R Brook, Jeffrey L Weinstein, Max P Rosen, Muneeb Ahmed
PURPOSE: To determine all-cause readmission rates for 12 IR procedures and association of time to readmission with risk-adjusted 90-day mortality. MATERIALS AND METHODS: Patients discharged after 12 inpatient IR procedures at a tertiary-care hospital between June 2008 and May 2013 (N = 4,163) were categorized as no readmission (n = 1,479; 40.5%) or readmission between 0 and 7 (n = 379; 10.4%), 8 and 30 (n = 650; 17.8%), 31 and 60 (n = 378; 10.3%), 61 and 90 (n = 169; 4...
March 10, 2017: Journal of Vascular and Interventional Radiology: JVIR
https://www.readbyqxmd.com/read/28271386/serial-lung-and-ivc-ultrasound-in-the-assessment-of-congestive-heart-failure
#8
Rachel Spevack, Mohamed Al Shukairi, Dev Jayaraman, Jerrald Dankoff, Lawrence Rudski, Jed Lipes
BACKGROUND: Management of congestive heart failure (CHF) is dependent on clinical assessments of volume status, which are subjective and imprecise. Point-of-care ultrasound (POCUS) is useful in the diagnosis of CHF, but how POCUS findings correlate with therapy remains unknown. This study aimed to determine whether the changes in clinical evaluation of CHF with treatment are mirrored with changes in the number of B lines on lung ultrasound (LUS) and inferior vena cava (IVC) size. In this prospective observational study, investigators performed serial clinical and ultrasound assessments within 24 h of admission (T1), day 1 in hospital (T2) and within 24 h of discharge (T3)...
December 2017: Critical Ultrasound Journal
https://www.readbyqxmd.com/read/28256251/relation-of-right-atrial-volume-systemic-venous-dimensions-and-flow-patterns-to-right-atrial-pressure-in-infants-and-children
#9
Shivani G Patel, Peter Woolman, Ling Li, Mary Craft, David A Danford, Shelby Kutty
Echocardiographic assessment of right atrial (RA) volume, inferior vena cava (IVC) diameter, and hepatic vein flow velocity independently correlate with the RA pressure by direct catheter measurement in adults. We prospectively collected invasive RA pressure measurements and echocardiographic data in infants and young children with the goal of developing a predictive model to noninvasively determine normal RA pressure. All subjects had a central venous catheter through which RA pressure could be transduced...
February 10, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/28230236/a-proposal-of-post-operative-nomogram-for-overall-survival-in-patients-with-renal-cell-carcinoma-and-venous-tumor-thrombus
#10
Liangyou Gu, Zihuan Wang, Luyao Chen, Xin Ma, Hongzhao Li, Wenyuan Nie, Cheng Peng, Xintao Li, Yu Gao, Xu Zhang
OBJECTIVE: To identify the predictors of overall survival (OS) and create a post-operative prognostic model for patients with renal cell carcinoma (RCC) and venous tumor thrombus (VTT). PATIENTS AND METHODS: The study cohort included patients with RCC and VTT that underwent full surgical resection between 2006 and 2016. Univariate and multivariate analyses were used to determine the prognostic factors of OS. A nomogram was developed and internally calibrated by bootstrap resampling method...
February 23, 2017: Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28187791/primary-mediastinal-large-b-cell-lymphoma-in-a-woman-who-is-human-immunodeficiency-virus-positive-presenting-with-superior-vena-cava-syndrome-a-case-report
#11
Pedro Pallangyo, Paulina Nicholaus, Frederick Lyimo, Elikaanany Urio, Peter Kisenge, Mohamed Janabi
BACKGROUND: The risk of non-Hodgkin lymphoma is increased 200-fold in individuals seropositive for human immunodeficiency virus compared to those free from human immunodeficiency virus. Human immunodeficiency virus-associated non-Hodgkin lymphoma is known for its atypical presentation, aggressive ability, widespread involvement, poor response to chemotherapy, and high relapse potential which makes both the diagnosis and management a difficult undertaking especially in resource-poor settings...
February 11, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/28149825/correlations-between-pulmonary-artery-pressures-and-inferior-vena-cava-collapsibility-in-critically-ill-surgical-patients-an-exploratory-study
#12
Stanislaw P Stawicki, Thomas J Papadimos, David P Bahner, David C Evans, Christian Jones
INTRODUCTION: As pulmonary artery catheter (PAC) use declines, search continues for reliable and readily accessible minimally invasive hemodynamic monitoring alternatives. Although the correlation between inferior vena cava collapsibility index (IVC-CI) and central venous pressures (CVP) has been described previously, little information exists regarding the relationship between IVC-CI and pulmonary artery pressures (PAPs). The goal of this study is to bridge this important knowledge gap...
October 2016: International Journal of Critical Illness and Injury Science
https://www.readbyqxmd.com/read/28149028/comparative-evaluation-of-central-venous-pressure-and-sonographic-inferior-vena-cava-variability-in-assessing-fluid-responsiveness-in-septic-shock
#13
Manjri Garg, Jyotsna Sen, Sandeep Goyal, Dhruva Chaudhry
OBJECTIVE: Fluid infusion, the most critical step in the resuscitation of patients with septic shock, needs preferably continuous invasive hemodynamic monitoring. The study was planned to evaluate the efficacy of ultrasonographically measured inferior vena cava collapsibility index (IVC CI) in comparison to central venous pressure (CVP) in predicting fluid responsiveness in septic shock. MATERIALS AND METHODS: Thirty-six patients of septic shock requiring ventilatory support (invasive/noninvasive) were included...
December 2016: Indian Journal of Critical Care Medicine
https://www.readbyqxmd.com/read/28132968/optimization-of-left-adrenal-vein-sampling-in-primary-aldosteronism-coping-with-asymmetrical-cortisol-secretion
#14
Mitsuhiro Kishino, Takanobu Yoshimoto, Masashi Nakadate, Yoshiaki Katada, Eiichiro Kanda, Shuichiro Nakaminato, Yukihisa Saida, Yoshihiro Ogawa, Ukihide Tateishi
We evaluated the influence of catheter sampling position and size on left adrenal venous sampling (AVS) in patients with primary aldosteronism (PA) and analyzed their relationship to cortisol secretion. This retrospective study included 111 patients with a diagnosis of primary aldosteronism who underwent tetracosactide-stimulated AVS. Left AVS was obtained from two catheter positions - the central adrenal vein (CAV) and the common trunk. For common trunk sampling, 5-French catheters were used in 51 patients, and microcatheters were used in 60 patients...
March 31, 2017: Endocrine Journal
https://www.readbyqxmd.com/read/28111837/surgical-treatment-of-renal-cell-carcinoma-can-morphological-features-of-inferior-vena-cava-tumor-thrombus-on-computed-tomography-or-magnetic-resonance-imaging-be-a-prognostic-factor
#15
Don Kyoung Choi, Hwang Gyun Jeon, Chang Wook Jeong, Cheol Kwak, Cheryn Song, Jinsoo Chung, Sung Kyu Hong, Sung-Hoo Hong, Seong Il Seo
OBJECTIVES: To evaluate the impact of morphological features of inferior vena cava thrombus on the overall survival and cancer-specific survival (cancer-specific survival of patients with renal cell carcinoma). METHODS: We retrospectively analyzed the records of 156 renal cell carcinoma patients with inferior vena cava thrombus who underwent radical nephrectomy and thrombectomy from 1998 to 2013 at five tertiary centers. Inferior vena cava thrombi were classified as spherical (type I) and spiculated (type II) according to morphological features on computed tomography or magnetic resonance imaging...
January 22, 2017: International Journal of Urology: Official Journal of the Japanese Urological Association
https://www.readbyqxmd.com/read/28090072/reconsideration-of-inferior-vena-cava-parameters-for-estimating-right-atrial-pressure-in-an-east-asian-population%C3%A3-comparative-simultaneous-ultrasound-catheterization-study
#16
MULTICENTER STUDY
Takayuki Kawata, Masao Daimon, Seitetsu L Lee, Koichi Kimura, Naoko Sawada, Shuo-Ju Chiang, Keitaro Mahara, Takeshi Okubo, Tomoko Nakao, Megumi Hirokawa, Boqing Xu, Tomoko S Kato, Masafumi Watanabe, Yutaka Yatomi, Issei Komuro
BACKGROUND: Ultrasound measurements of the inferior vena cava (IVC) diameter (IVCD), together with its respiratory variation, provide a noninvasive estimate of right atrial pressure (RAP). However, there is a paucity of studies that have compared this technique with simultaneous catheterization. We explored the best cut-off values of IVC parameters for elevated RAP in comparison with RAP measured by catheterization.Methods and Results:We prospectively enrolled 120 East Asian patients who were scheduled for catheterization...
February 24, 2017: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/28076620/intraperitoneal-administration-of-silymarin-protects-end-organs-from-multivisceral-ischemia-reperfusion-injury-in-a-rat-model
#17
Aydemir Koçarslan, Sezen Koçarslan, Mehmet Salih Aydin, Şamil Gunay, Mahmut Alp Karahan, Abdullah Taşkın, Murat Üstunel, Nurten Aksoy
Objective: To determine whether intraperitoneal silymarin administration has favorable effects on the heart, lungs, kidney, and liver and on oxidative stress in a rat model of supraceliac aorta ischemia/reperfusion injury. Methods: Thirty male Wistar albino rats were divided equally into three groups: sham, control, and silymarin. The control and silymarin groups underwent supraceliac aortic occlusion for 45 min, followed by a 60 min period of reperfusion under terminal anesthesia...
November 2016: Brazilian Journal of Cardiovascular Surgery
https://www.readbyqxmd.com/read/28065586/estimation-of-central-venous-pressure-using-the-ratio-of-short-to-long-diameter-from-cross-sectional-images-of-the-inferior-vena-cava
#18
Yoshihiro Seo, Noriko Iida, Masayoshi Yamamoto, Tomoko Machino-Ohtsuka, Tomoko Ishizu, Kazutaka Aonuma
BACKGROUND: Long-axis images of the inferior vena cava (IVC) have limitations as surrogates for IVC morphology in grading central venous pressure (CVP) by two-dimensional echocardiography (2DE), because of the various cross-sectional morphologies and the translational motion of the IVC induced by sniffing. On the basis of the relationship between venous pressure and compliance, it was hypothesized that the cross-sectional morphology of the IVC, which was obtained using three-dimensional echocardiography, might estimate CVP more accurately compared with standard grading by 2DE...
January 5, 2017: Journal of the American Society of Echocardiography
https://www.readbyqxmd.com/read/28017906/distensibility-index-of-the-inferior-vena-cava-in-experimental-acute-respiratory-distress-syndrome
#19
R Mendes, M V Oliveira, G A Padilha, R S Santos, N N Rocha, R R Luiz, M G Abreu, P Pelosi, P R M Rocco, P L Silva
We determined the accuracy of distensibility index of inferior vena cava (dIVC) for evaluation of fluid responsiveness in rats with acute respiratory distress syndrome (ARDS) and validated this index for use in rat models. In protocol 1, E. coli lipopolysaccharide was administered in Wistar rats (n=7). After 24h, animals were mechanically ventilated, and stroke volume (SV) and dIVC quantified after blood drainage and subsequent volume expansion (albumin 20%). A receiver operating characteristic (ROC) curve was plotted to determine the optimal dIVC cutoff...
March 2017: Respiratory Physiology & Neurobiology
https://www.readbyqxmd.com/read/27987334/echocardiography-findings-in-a-case-with-ballantyne-syndrome
#20
Yutaro Suzuki, Mie Yamamura, Keisuke Kikuchi, Rifumi Hattori, Takeshi Umazume, Hisanori Minakami
Marked fluid retention occurs in Ballantyne syndrome, but few reports are available on changes in cardiac morphology in this syndrome. A woman with generalized edema, dyspnea, fetal hydrops (skin edema and ascites), thickened placenta, and elevated plasma B-type natriuretic peptide level (344 pg/mL) was admitted to our hospital at gestational week (GW) 20(+3) . Blood pressure remained within the normal range. However, acute increases in left atrial volume index, pulmonary artery systolic pressure, and hyperdynamic left ventricular function (as evidenced by increased left ventricular ejection fraction to 74% with cardiac index of 5...
December 17, 2016: Journal of Obstetrics and Gynaecology Research
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