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Artykuły w czasopismach na temat „Haemodynamics”

Autor: Grafiati

Data publikacji: 4 czerwca 2021

Data aktualizacji: 25 lipca 2025

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1

Kuboki, Takuo, Kenji Maekawa, and Glenn Clark. "Intramuscular haemodynamics using near infra-red spectroscopy as a research strategy to understand chronic muscle pain pathophysiology." Spectroscopy 19, no. 1 (2005): 27–36. http://dx.doi.org/10.1155/2005/148586.

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Recently, localized intramuscular haemodynamic disturbance has been recognized as one of the cardinal features of a chronically painful muscle. To test this hypothesis, we have carried out several studies that have assessed intramuscular haemodynamics to understand more about haemodynamic alteration under conditions of an experimentally induced vasoreactive challenges in healthy controls and in patients with chronic muscle pain using near infra?red (NIR) spectroscopy. In addition, we have validated the NIR based haemodynamic signals by comparing against a water signal intensity change taken fr

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Hartkamp, Nolan S., Esben T. Petersen, Michael A. Chappell, et al. "Relationship between haemodynamic impairment and collateral blood flow in carotid artery disease." Journal of Cerebral Blood Flow & Metabolism 38, no. 11 (2017): 2021–32. http://dx.doi.org/10.1177/0271678x17724027.

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Collateral blood flow plays a pivotal role in steno-occlusive internal carotid artery (ICA) disease to prevent irreversible ischaemic damage. Our aim was to investigate the effect of carotid artery disease upon cerebral perfusion and cerebrovascular reactivity and whether haemodynamic impairment is influenced at brain tissue level by the existence of primary and/or secondary collateral. Eighty-eight patients with steno-occlusive ICA disease and 29 healthy controls underwent MR examination. The presence of collaterals was determined with time-of-flight, two-dimensional phase contrast MRA and te

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3

Raj, Leah M., and Leslie A. Saxon. "Haemodynamic Monitoring Devices in Heart Failure: Maximising Benefit with Digitally Enabled Patient Centric Care." Arrhythmia & Electrophysiology Review 7, no. 4 (2018): 1. http://dx.doi.org/10.15420/aer.2018.32.3.

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ICDs and resynchronisation devices are routinely implanted in patients with heart failure for primary prevention of sudden cardiac death or to treat the condition. The addition of device features and algorithms that directly or indirectly monitor cardiac haemodynamics to assess heart failure status can provide additional benefit by treating heart failure more continuously. Established and emerging devices and sensors aimed at treating or measuring cardiac haemodynamics represent the next era of heart failure disease management. Digitally enabled models of heart failure care, based on frequent

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4

Obokata, Masaru, Thomas P. Olson, Yogesh N. V. Reddy, Vojtech Melenovsky, Garvan C. Kane, and Barry A. Borlaug. "Haemodynamics, dyspnoea, and pulmonary reserve in heart failure with preserved ejection fraction." European Heart Journal 39, no. 30 (2018): 2810–21. http://dx.doi.org/10.1093/eurheartj/ehy268.

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Abstract Aims Increases in left ventricular filling pressure are a fundamental haemodynamic abnormality in heart failure with preserved ejection fraction (HFpEF). However, very little is known regarding how elevated filling pressures cause pulmonary abnormalities or symptoms of dyspnoea. We sought to determine the relationships between simultaneously measured central haemodynamics, symptoms, and lung ventilatory and gas exchange abnormalities during exercise in HFpEF. Methods and results Subjects with invasively-proven HFpEF (n = 50) and non-cardiac causes of dyspnoea (controls, n = 24) underw

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5

Bull, C. "Haemodynamics." Current Opinion in Cardiology 1, no. 1 (1986): 88–92. http://dx.doi.org/10.1097/00001573-198601000-00016.

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Oslizlok, P. "Haemodynamics." Current Opinion in Cardiology 2, no. 1 (1987): 118–22. http://dx.doi.org/10.1097/00001573-198701010-00023.

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Bull, C. "Haemodynamics." Current Opinion in Cardiology 3, no. 1 (1988): 71–77. http://dx.doi.org/10.1097/00001573-198801000-00012.

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Warmerdam, Evangeline, Gregor J. Krings, Tim Leiner, and Heynric B. Grotenhuis. "Three-dimensional and four-dimensional flow assessment in congenital heart disease." Heart 106, no. 6 (2019): 421–26. http://dx.doi.org/10.1136/heartjnl-2019-315797.

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Congenital heart disease (CHD) is the most common form of congenital defects, with an incidence of 8 per 1000 births. Due to major advances in diagnostics, perioperative care and surgical techniques, the survival rate of patients with CHD has improved dramatically. Conversely, although 70%–95% of infants with CHD survive into adulthood, the rate of long-term morbidity, which often requires (repeat) intervention, has increased. Recently, the role of altered haemodynamics in cardiac development and CHD has become a subject of interest. Patients with CHD often have abnormal blood flow patterns, e

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9

Kabir, MS, AAS Majumder, AFKU Ahmed, et al. "Echocardiographic Evaluation of Pulmonary Haemodynamics - A Review." Cardiovascular Journal 13, no. 2 (2021): 200–216. http://dx.doi.org/10.3329/cardio.v13i2.52975.

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Pulmonary haemodynamic status has got significant clinical and prognostic significance both in structural and nonstructural heart diseases. But diagnostic accuracy depends on much care in evaluation and logical correlation of different echocardiographic parameters. Though the Doppler studies play crucial role in estimating Pulmonary haemodynamics, careful observation of 2-D measurements of different structures as well as RV systolic and diastolic function are vital issues to be addressed and correlated for diagnostic accuracy. Tricuspid Valve, RVOT and Pulmonary valve pathologies also demand v

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10

Miranda, William R., Barry A. Borlaug, Donald J. Hagler, Heidi M. Connolly, and Alexander C. Egbe. "Haemodynamic profiles in adult Fontan patients: associated haemodynamics and prognosis." European Journal of Heart Failure 21, no. 6 (2019): 803–9. http://dx.doi.org/10.1002/ejhf.1365.

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11

Chen, Ying-Tzu, Yueh-Ting Lai, Hou-Chuan Lai, Ann-Shung Lieu, Meei-Shyuan Lee, and Zhi-Fu Wu. "A prospective clinical trial predicting the 95% effective concentration of remifentanil for skull pin fixation using haemodynamic and surgical pleth index monitoring." Indian Journal of Anaesthesia 69, no. 6 (2025): 594–99. https://doi.org/10.4103/ija.ija_911_24.

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Background and Aims: Inadequate antinociception during skull pin fixation can destabilise haemodynamics in patients undergoing intracranial surgery. However, the concentration of remifentanil required to achieve sufficient antinociception and maintain stable haemodynamics under surgical pleth index (SPI) monitoring remains unestablished. We aimed to determine the 95% effective concentration (EC95) of remifentanil for skull pin fixation using haemodynamic and SPI monitoring. Methods: Nineteen patients undergoing intracranial surgery were enroled. Anaesthesia was administered via target-controll

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12

Pons, Maria Isabel, Jordi Mill, Alvaro Fernandez-Quilez, et al. "Joint Analysis of Morphological Parameters and In Silico Haemodynamics of the Left Atrial Appendage for Thrombogenic Risk Assessment." Journal of Interventional Cardiology 2022 (March 14, 2022): 1–10. http://dx.doi.org/10.1155/2022/9125224.

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Background. Atrial fibrillation (AF) is considered the most common human arrhythmia. In nonvalvular AF, around 99% of thrombi are formed in the left atrial appendage (LAA). Nevertheless, there is not a consensus in the community about the relevant factors to stratify the AF population according to thrombogenic risk. Objective. To demonstrate the need for combining left atrial morphological and haemodynamics indices to improve the thrombogenic risk assessment in nonvalvular AF patients. Methods. A cohort of 71 nonvalvular AF patients was analysed. Statistical analysis, regression models, and ra

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13

Oliveira, Rudolf K. F., Aaron B. Waxman, Manyoo Agarwal, Roza Badr Eslam, and David M. Systrom. "Pulmonary haemodynamics during recovery from maximum incremental cycling exercise." European Respiratory Journal 48, no. 1 (2016): 158–67. http://dx.doi.org/10.1183/13993003.00023-2016.

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Assessment of cardiac function during exercise can be technically demanding, making the recovery period a potentially attractive diagnostic window. However, the validity of this approach for exercise pulmonary haemodynamics has not been validated.The present study, therefore, evaluated directly measured pulmonary haemodynamics during 2-min recovery after maximum invasive cardiopulmonary exercise testing in patients evaluated for unexplained exertional intolerance. Based on peak exercise criteria, patients with exercise pulmonary hypertension (ePH; n=36), exercise pulmonary venous hypertension

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14

Garg, Sahil, Hersimran Kaur, Amandeep Singh, Pankaj Bansal, Manvi Garg, and Seema Prasad. "Comparison of dexmedetomidine and propofol infusion on intraoperative haemodynamics during functional endoscopic sinus surgery under general anaesthesia- A randomized controlled trial." Panacea Journal of Medical Sciences 14, no. 1 (2024): 112–16. http://dx.doi.org/10.18231/j.pjms.2024.021.

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Functional endoscopic sinus surgery (FESS) is a surgical technique to treat sinonasal diseases. Intraoperative bleeding is one of the major challenges, which hinder the confined area of visibility and prolongs the procedure. Intraoperative induced hypotension can reduce intraoperative bleeding, to provide clear surgical field for dissection and hence decreasing operative time. So, we compared effect of dexmedetomidine and propofol infusion on the intraoperative haemodynamics during functional endoscopic sinus surgery (FESS). To study the effect of intravenous (IV) dexmedetomidine and propofol

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15

Siddique, Faias Karukappadath, Arun Aravind, and Ashabi Mansoortheen. "A Prospective Randomized Study on Intraoperative Haemodynamic and Post-Operative Recovery Characteristics of Sevoflurane and Desflurane in Thyroid Surgeries under General Anaesthesia in Wayanad District." Journal of Evidence Based Medicine and Healthcare 8, no. 24 (2021): 2045–51. http://dx.doi.org/10.18410/jebmh/2021/384.

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BACKGROUND Maintaining deep plane of anaesthesia to prevent haemodynamic fluctuation and absolute immobility at the same time ensuring early and smooth recovery to prevent bleeding and assessing vocal cord status are the challenges to the anaesthesiologists in thyroid surgeries. Use of volatile anaesthetics with low solubility and low blood gas partition coefficient are used for their haemodynamic stability and faster emergence from anaesthesia in various surgeries under general anaesthesia. we wanted to compare sevoflurane and desflurane in terms of intraoperative haemodynamics, postoperative

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16

Fuchko, Oksana L. "PARAMETERS OF CENTRAL AND INTRACARDIAC HAEMODYNAMICS IN WOMEN WITH THYROID HYPERPLASIA AND ACALCULOUS CHOLECYSTITIS." Polski Merkuriusz Lekarski 51, no. 6 (2023): 603–7. http://dx.doi.org/10.36740/merkur202306104.

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Aim: The study aimed to investigate some parameters of functional status of central and intracardiac haemodynamics in women with thyroid hyperplasia and acalculous cholecystitis. Materials and Methods: Functional changes of haemodynamic status in women with thyroid hyperplasia and acalculous cholecystitis were investigated. All data are obtained through general and special clinical methods, standard and special laboratory methods of examination, physiological, biochemical and statistical methods. Parameters of central and intracardiac haemodynamics have been recorded by the method of two-dimen

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17

Haggerty, Christopher M., Ajit P. Yoganathan, and Mark A. Fogel. "Magnetic resonance imaging-guided surgical design: can we optimise the Fontan operation?" Cardiology in the Young 23, no. 6 (2013): 818–23. http://dx.doi.org/10.1017/s1047951113001637.

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AbstractThe Fontan procedure, although an imperfect solution for children born with a single functional ventricle, is the only reconstruction at present short of transplantation. The haemodynamics associated with the total cavopulmonary connection, the modern approach to Fontan, are severely altered from the normal biventricular circulation and may contribute to the long-term complications that are frequently noted. Through recent technological advances, spear-headed by advances in medical imaging, it is now possible to virtually model these surgical procedures and evaluate the patient-specifi

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18

Howard, Rachel, Runci Li, Kelly Harvey-Jones, et al. "Optical Monitoring in Neonatal Seizures." Cells 11, no. 16 (2022): 2602. http://dx.doi.org/10.3390/cells11162602.

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Background: Neonatal seizures remain a significant cause of morbidity and mortality worldwide. The past decade has resulted in substantial progress in seizure detection and understanding the impact seizures have on the developing brain. Optical monitoring such as cerebral near-infrared spectroscopy (NIRS) and broadband NIRS can provide non-invasive continuous real-time monitoring of the changes in brain metabolism and haemodynamics. Aim: To perform a systematic review of optical biomarkers to identify changes in cerebral haemodynamics and metabolism during the pre-ictal, ictal, and post-ictal

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19

Iwao, T., K. Oho, R. Nakano, et al. "Effect of meal induced splanchnic arterial vasodilatation on renal arterial haemodynamics in normal subjects and patients with cirrhosis." Gut 43, no. 6 (1998): 843–48. http://dx.doi.org/10.1136/gut.43.6.843.

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Aims—To investigate the relation between changes in splanchnic arterial haemodynamics and renal arterial haemodynamics in controls and patients with cirrhosis.Methods—Superior mesenteric artery pulsatility index (SMA-PI) and renal artery pulsatility index (R-PI) were measured using Doppler ultrasonography in 24 controls and 36 patients with cirrhosis. These measurements were repeated 30 minutes after ingestion of a liquid meal or placebo. Sixteen controls and 24 patients received the meal, and eight controls and 12 patients received placebo.Results—In the fasting condition, patients with cirrh

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20

Kovacs, Gabor, Philippe Herve, Joan Albert Barbera, et al. "An official European Respiratory Society statement: pulmonary haemodynamics during exercise." European Respiratory Journal 50, no. 5 (2017): 1700578. http://dx.doi.org/10.1183/13993003.00578-2017.

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There is growing recognition of the clinical importance of pulmonary haemodynamics during exercise, but several questions remain to be elucidated. The goal of this statement is to assess the scientific evidence in this field in order to provide a basis for future recommendations.Right heart catheterisation is the gold standard method to assess pulmonary haemodynamics at rest and during exercise. Exercise echocardiography and cardiopulmonary exercise testing represent non-invasive tools with evolving clinical applications. The term “exercise pulmonary hypertension” may be the most adequate to d

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Alkan, Rahmi, Beatrice De Lazzari, Massimo Capoccia, Claudio De Lazzari, and Selim Bozkurt. "Computational Evaluation of IABP, Impella 2.5, TandemHeart and Combined IABP and Impella 2.5 Support in Cardiogenic Shock." Mathematics 11, no. 16 (2023): 3606. http://dx.doi.org/10.3390/math11163606.

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Cardiogenic shock is a life-threatening condition consisting of low cardiac output status leading to end-organ hypoperfusion following either acute left or right ventricular failure or decompensation of chronic heart failure. Partial or failed response to inotropic support in the acute phase may require the use of mechanical circulatory support. Although patients supported with different devices such as an IABP, Impella 2.5, or TandemHeart experience stability in the short term, the haemodynamic benefits of each device remain unclear. The aim of this study is to present a direct comparison of

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Zeder, Katarina, Horst Olschewski, and Gabor Kovacs. "Updated definition of exercise pulmonary hypertension." Breathe 18, no. 4 (2022): 220232. http://dx.doi.org/10.1183/20734735.0232-2022.

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In the recently published European Society of Cardiology/European Respiratory Society guidelines on the diagnosis and treatment of pulmonary hypertension (PH) the haemodynamic definitions of PH were updated and a new definition for exercise PH was introduced. Accordingly, exercise PH is characterised by a mean pulmonary arterial pressure/cardiac output (CO) slope >3 Wood units (WU) from rest to exercise. This threshold is supported by several studies demonstrating prognostic and diagnostic relevance of exercise haemodynamics in various patient cohorts. From a differential diagnostic point o

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BELLARD, Elisabeth, Jacques-Olivier FORTRAT, Daniel SCHANG, Jean-Marc DUPUIS, Jacques VICTOR, and Georges LEFTHÉRIOTIS. "Changes in the transthoracic impedance signal predict the outcome of a 70° head-up tilt test." Clinical Science 104, no. 2 (2003): 119–26. http://dx.doi.org/10.1042/cs1040119.

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We determined whether early changes in central haemodynamics, as determined by transthoracic impedance, induced by a 70° head-up tilt (HUT) test could predict syncope. Heart rate, arterial blood pressure and central haemodynamics [pre-ejection period and rapid left ventricular ejection time (T1), slow ejection time (T2) and dZ/dtmax (where Z is thoracic impedance), assessed by the transthoracic impedance technique], were recorded during supine rest and during a 45min 70° HUT test in 68 patients (40±2 years) with a history of unexplained recurrent syncope. We found that 38 patients (42±3 years)

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Farsetti, D., D. Lo Presti, I. Pisani, et al. "G1. Maternal haemodynamics assessment in preterm delivery: two different haemodynamic profiles." Journal of Maternal-Fetal & Neonatal Medicine 29, sup2 (2016): 31. http://dx.doi.org/10.1080/14767058.2016.1234791.

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Fronek, A., M. Goldman, and K. Fronek. "The Effect of Compression on Venous Haemodynamics Assessed by Quantitative Photoplethysmography." Phlebology: The Journal of Venous Disease 13, no. 3 (1998): 98–101. http://dx.doi.org/10.1177/026835559801300303.

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Background: The purpose of this study was to examine quantitatively the effect of compression stockings on venous haemodynamics at the level of the ankle. Methods: To obtain quantifiable results, a computer-controlled photoplethysmographic system was used to measure the displacement of local blood volume induced by exercise (exercise displacement volume, EDV) and by tilting the subject (tilt displacement volume, TDV). The test was repeated after application of class I compression stockings 20–30 mmHg). The ratio EDV/TDV is considered to represent the efficiency of the veno-muscular pump. Three

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Oliveira, Rudolf K. F., Manyoo Agarwal, Julie A. Tracy, et al. "Age-related upper limits of normal for maximum upright exercise pulmonary haemodynamics." European Respiratory Journal 47, no. 4 (2015): 1179–88. http://dx.doi.org/10.1183/13993003.01307-2015.

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The exercise definition of pulmonary hypertension was eliminated from the pulmonary hypertension guidelines in part due to uncertainty of the upper limits of normal (ULNs) for exercise haemodynamics in subjects >50 years old.The present study, therefore, evaluated the pulmonary haemodynamic responses to maximum upright incremental cycling exercise in consecutive subjects who underwent an invasive cardiopulmonary exercise testing for unexplained exertional intolerance, deemed normal based on preserved exercise capacity and normal resting supine haemodynamics. Subjects aged >50 years old (

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Chantelau, Volaco, and Meyer-Schwickerath. "New insights into the pathogenesis of diabetic retinopathy – hormonal rather than metabolic factors are important." Vasa 33, no. 4 (2004): 205–10. http://dx.doi.org/10.1024/0301-1526.33.4.205.

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Diabetic retinopathy has traditionally been viewed as a metabolite-driven, occlusive vasculopathy that affects both retinal microvascular haemodynamics and structure; analogies to cholesterol-driven occlusive atherosclerosis of the macrovascular circulation were drawn. However, this paradigm may no longer be appropriate. Recent evidence suggests that diabetic retinopathy from the beginning is the consequence of a complex hormonal dysfunction, which is related to insulin-dependent up- and downregulation of growth factors, to which metabolic, haemodynamic, endocrine, paracrine, and autocrine mec

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Shah, Hetalkumar. "Abstract No.: ABS0615: Anaesthesia management of bilateral bronchopleural fistula for repair." Indian Journal of Anaesthesia 66, Suppl 1 (2022): S46. http://dx.doi.org/10.4103/0019-5049.340689.

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Background and Aims: Bronchopleural fistula (BPF) poses ventilatory challenges during general anaesthesia (GA). Without repair of large BPF, patient’s condition is unlikely to improve. Hence thoracic surgery in these patient is a challenging task. Coronavirus disease 2019 (COVID-19) pandemic, has caused immense morbidityincluding pulmonary sequelae pulmonary complications such as BPF. Perioperative strategies included to maintaining adequate ventilation and haemodynamics. Methods: We present anaesthesia management of five cases, who developed bilateral significant BPF as post COVID-19 sequelae

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Makarov, R. A., S. V. Kinzhalova, and N. S. Davydova. "Autoregulation hemodynamics in pregnancies complicated by hypertensive disorders." Systemic Hypertension 12, no. 2 (2015): 19–23. http://dx.doi.org/10.26442/sg29063.

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In the article the comparative analysis parametres of haemodynamics and features of autoregulation of haemodynamics in patients with uncomplicated pregnancy and pregnancy with hypertension is carried out.Complex investigation of central haemodynamics in 196 patients in the third trimester of pregnancy (65 - with physiologically proceeding pregnancy, 66 - with chronic arterial hypertensia, 65 patients with the pregnancy complicated by preeclampsia) by means of noninvasive bioimpedance technology with calculation of oscillatory activity and the spectral analysis of the three parametres of haemod

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Jovic, M., Zoran Popovic, Dusko Nezic, et al. "Uloga Swan-Ganz PA katetera u proceni hemodinamskih promena tokom hirurske revaskularizacije miokarda u bolesnika sa oslabljenom funkcijom leve komore." Acta chirurgica Iugoslavica 49, no. 1 (2002): 27–35. http://dx.doi.org/10.2298/aci0201027j.

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Coronary artery bypass surgery in patient with bad left ventricular function is a challenge for surgical time. Specially important is monitoring of haemodynamics. We performed this open, prospective, randomized study with the aim to assess haemodynamics and oxygen profile monitoring. 34 pts for coronary surgery (EF < 40%) were divided in two groups. Group A, 17 pts. Received glucose-insulin-potassium (GIK) solution. Group B, 127 pts. Received Ringer solution. Haemodynamic and oxygen metabolism parameters were measured in four time points. I after the induction in anesthesia; II after the op

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PECHÈRE-BERTSCHI, Antoinette, Marc MAILLARD, Hans STALDER, Hans R. BRUNNER, and Michel BURNIER. "Blood pressure and renal haemodynamic response to salt during the normal menstrual cycle." Clinical Science 98, no. 6 (2000): 697–702. http://dx.doi.org/10.1042/cs0980697.

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The purpose of the present study was to evaluate prospectively blood pressure and the renal haemodynamic response to salt during the normal menstrual cycle. A total of 35 healthy normotensive young women not on oral contraceptives were enrolled; 17 were studied in the follicular phase and 18 in the luteal phase of the menstrual cycle. The women in each group were then randomly allocated to receive a low-sodium (40 mmol/day) or a high-sodium (250 mmol/day) diet for a 7-day period in two consecutive menstrual cycles. At the end of each dietary period, 24 h ambulatory blood pressure, urinary sodi

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Blanchart, A., N. Hernando, D. Fernández-Muñoz, L. Hernando, and J. M. López-Novoa. "Lack of effect of indomethacin on systemic and splanchnic haemodynamics in portal hypertensive rats." Clinical Science 68, no. 5 (1985): 605–7. http://dx.doi.org/10.1042/cs0680605.

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1. Portal hypertension was produced experimentally in rats by partial constriction of the portal vein. 2. Twelve rats were injected daily with indomethacin, 4 mg/kg body weight, and 12 with the vehicle (80% ethanol, 0.5 ml/day). 3. There were no differences in portal-systemic shunts nor systemic or splanchnic haemodynamics between indomethacin-treated and untreated rats. 4. These results suggest that cyclo-oxygenase products do not play a significative role in haemodynamic alterations shown by portal-ligated rats.

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Göbel, Hartmut, Horst Klostermann, Volker Lindner, and Sabine Schenkl. "Changes in Cerebral Haemodynamics in Cases of Post-Lumbar Puncture Headache: A Prospective Transcranial Doppler Ultrasound Study." Cephalalgia 10, no. 3 (1990): 117–22. http://dx.doi.org/10.1046/j.1468-2982.1990.1003117.x.

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We used transcranial Doppler ultrasonography in 45 patients to investigate if changes in haemodynamics in the major arteries of the brain base occurred after lumbar puncture and whether or not patients with or without post-lumbar puncture headache differ with respect to their cerebral haemodynamic parameters before and after lumbar puncture. Before lumbar puncture, patients with post-lumbar puncture headache differed from patients without post-lumbar puncture headache in that they showed significantly higher flow velocities and significant asymmetry of flow velocities with lateralization to th

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Schobel, Hans P., and Roland E. Schmieder. "Haemodynamics in hypertension." Baillière's Clinical Anaesthesiology 11, no. 4 (1997): 623–37. http://dx.doi.org/10.1016/s0950-3501(97)80045-1.

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Woods, H. Feidhlim. "Icodextrin and haemodynamics." Nephrology Dialysis Transplantation 21, no. 3 (2005): 820. http://dx.doi.org/10.1093/ndt/gfi261.

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Weatherald, Jason, Athénaïs Boucly, David Launay, et al. "Haemodynamics and serial risk assessment in systemic sclerosis associated pulmonary arterial hypertension." European Respiratory Journal 52, no. 4 (2018): 1800678. http://dx.doi.org/10.1183/13993003.00678-2018.

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The prognostic importance of follow-up haemodynamics and the validity of multidimensional risk assessment are not well established for systemic sclerosis (SSc)-associated pulmonary arterial hypertension (PAH).We assessed incident SSc-PAH patients to determine the association between clinical and haemodynamic variables at baseline and first follow-up right heart catheterisation (RHC) with transplant-free survival. RHC variables included cardiac index, stroke volume index (SVI), pulmonary arterial compliance and pulmonary vascular resistance. Risk assessment was performed according to the number

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Belluardo, Giulia, Dario Galeano, Concetto Sessa, Giuseppe Zelante, Walter Morale, and Paola De Bartolo. "Cerebral Haemodynamics and Cognitive Impairment in Chronic Haemodialysis Patients: A Pilot Study." Journal of Clinical Medicine 14, no. 14 (2025): 4890. https://doi.org/10.3390/jcm14144890.

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Background: Patients with chronic kidney disease (CKD) have a substantially higher risk of developing cognitive impairment (CI) than the general population. Patients with CKD undergoing haemodialysis (HD) treatment also have an elevated risk of developing cerebrovascular and cardiovascular diseases. This study aims to investigate the relationship between the cognitive performance of haemodialysis patients and cerebral and carotid haemodynamic indices. Methods: This study was a non-interventional observational study; the sample consisted of 32 patients (age 65 ± 12 years) undergoing chronic HD

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Alsagaff, Mochamad Yusuf, Dwi Fachrul Octafian Hidayat, and Hiroyuki Daida. "Simultaneous kissing stents in acute left main total occlusion complicated with cardiogenic shock." BMJ Case Reports 14, no. 4 (2021): e241245. http://dx.doi.org/10.1136/bcr-2020-241245.

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We present a case of acute left main bifurcation lesion presenting as very high-risk non-ST elevation acute coronary syndrome. Consequently, an immediate invasive strategy for this complex anatomical lesion in an unstable patient requires an emergent bailout strategy to restore the haemodynamic condition.Our case shows the simultaneous kissing stents technique in a patient with a true left main bifurcation lesion (Medina 1-1-1) as a strategy to overcome the compromised haemodynamics. This protocol would be an alternative life-saving strategy in an acute setting.

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Vermeulen, Marijn J., Romy Gaillard, Kozeta Miliku, et al. "Influence of genetic variants for birth weight on fetal growth and placental haemodynamics." Archives of Disease in Childhood - Fetal and Neonatal Edition 105, no. 4 (2019): 393–98. http://dx.doi.org/10.1136/archdischild-2019-317044.

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ObjectiveTo determine the combined effect of 60 genetic variants (single nucleotide polymorphisms, SNPs), previously identified as being associated with birth weight, on fetal growth and placental haemodynamics throughout pregnancy.DesignProspective birth cohort (Generation R Study).SettingGeneral multiethnic population.Participants5374 singleton liveborn children with genome-wide association arrays and fetal growth data.MethodsLongitudinal and cross-sectional analyses of a genetic score of the total number of birth weight–increasing alleles across the 59 available SNPs and repeated fetal grow

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Zegelbone, Phillip M., Richard E. Ringel, John D. Coulson, et al. "Heart failure biomarker levels correlate with invasive haemodynamics in pulmonary valve replacement." Cardiology in the Young 30, no. 1 (2019): 50–54. http://dx.doi.org/10.1017/s1047951119002737.

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AbstractBackground:Although widely used in cardiology, relation of heart failure biomarkers to cardiac haemodynamics in patients with CHD (and in particular with pulmonary insufficiency undergoing pulmonary valve replacement) remains unclear. We hypothesised that the cardiac function biomarkers N-terminal pro-brain natriuretic peptide (NT-proBNP), soluble suppressor of tumorigenicity 2, and galectin-3 would have significant associations to right ventricular haemodynamic derangements.Methods:Consecutive patients ( n = 16) undergoing cardiac catheterisation for transcatheter pulmonary valve repl

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Ströhn, A., H. M. Häfner, and M. Jünger. "Biophysical characteristics of medical compression stockings." Phlebologie 36, no. 04 (2007): 197–204. http://dx.doi.org/10.1055/s-0037-1622183.

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Summary Aim: Haemodynamic effectivity of 13 compression stockings in correlation with its physical characteristics. Patients, methods: In a prospective study, 42 patients in clinical stage C1–4 were examined with dynamic mercury strain gauge plethysmography to determine the effects of 13 different compression stockings in compression classes 2 and 3 (CEN) on venous haemodynamics. At the same time that venous function measurement was monitored, the pressure exerted by the compression stockings was measured under resting conditions and during standardized exercises by the patients. Results: Rest

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Boucly, Athénaïs, Vincent Cottin, Hilario Nunes, et al. "Management and long-term outcomes of sarcoidosis-associated pulmonary hypertension." European Respiratory Journal 50, no. 4 (2017): 1700465. http://dx.doi.org/10.1183/13993003.00465-2017.

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Studies reporting the effects of modern strategies with pulmonary arterial hypertension (PAH)-targeted therapies in sarcoidosis-associated pulmonary hypertension (S-APH) are limited.Clinical and haemodynamic data from newly diagnosed patients with severe S-APH (mean pulmonary artery pressure (mPAP) >35 mmHg or mPAP 25–35 mmHg with cardiac index <2.5 L·min−1·m−2) were collected from the French Pulmonary Hypertension Registry between 2004 and 2015.Data from 126 patients with severe S-APH were analysed (mean±sd age 57.5±11.6 years, 74% radiological stage IV). 97 patients (77%) received PAH-

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Geraghty, J. G., W. J. Angerson, and D. C. Carter. "Splanchnic Haemodynamics and Vasoactive Agents in Experimental Cirrhosis." HPB Surgery 8, no. 2 (1994): 83–88. http://dx.doi.org/10.1155/1994/52975.

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It is well known that portal hypertension is associated with a hyperdynamic systemic circulatory state. This study measures systemic and splanchnic haemodynamics in an experimental rat model of hepatic cirrhosis. It also investigates the association between haemodynamic changes in cirrhotic animals and circulating levels of the vasoactive hormones glucagon and vasoactive intestinal polypeptide (VIP). Splanchnic blood flow was significantly increased in the cirrhotic group (13.2 ± 1.3 vs. 9.2 ± 1.6 ml/min, P < 0.05). Circulating levels of glucagon and VIP were two and five fold increased res

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Wang, Hui, Hongyang Li, Xiaojie Zhang, Lanyan Qiu, Zhenchang Wang, and Yanling Wang. "Ocular Image and Haemodynamic Features Associated with Different Gradings of Ipsilateral Internal Carotid Artery Stenosis." Journal of Ophthalmology 2017 (2017): 1–10. http://dx.doi.org/10.1155/2017/1842176.

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Objectives. To analyse the changes of ocular haemodynamics and morphology in Chinese patients with internal carotid artery (ICA) stenosis in the current study. Methods. A retrospective case-control study was conducted with 219 patients. The haemodynamic characteristics, the calibre of retinal vessels, and the subfoveal choroidal thickness (SFChT) were compared. We analysed the correlations with the degree of ipsilateral ICA stenosis. Results. There were no significant differences among the groups in the central retinal artery equivalent (CRAE), central retinal vein equivalent (CRVE), and AVR (

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Banik, Sujoy, Pallav Kumar, Hemanshu Prabhakar, and Gyaninder Singh. "Dexmedetomidine and propofol for cerebral angiography in non-intubated patients: A comparative study." Journal of Neuroanaesthesiology and Critical Care 02, no. 02 (2015): 121–26. http://dx.doi.org/10.4103/2348-0548.155463.

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Abstract Context: Patients posted for cerebral angiography may be restless and drowsy with high chance of inadvertent movements. Aims: The primary objective was to compare the incidence of inadvertent movements between propofol and dexmedetomidine groups. The secondary objectives include comparison of recovery time and characteristics, Steward’s score, and haemodynamic and respiratory parameters between the two groups. Settings and Design: Prospective, randomised, double-blind, pilot study. Materials and Methods: In all, 20 adult uncooperative, drowsy patients were randomised to dexmedetomidin

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Koltukluoğlu, Taha S., and Pablo J. Blanco. "Boundary control in computational haemodynamics." Journal of Fluid Mechanics 847 (May 21, 2018): 329–64. http://dx.doi.org/10.1017/jfm.2018.329.

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In this work, a data assimilation method is proposed following an optimise-then-discretise approach, and is applied in the context of computational haemodynamics. The methodology aims to make use of phase-contrast magnetic resonance imaging to perform optimal flow control in computational fluid dynamic simulations. Flow matching between observations and model predictions is performed in luminal regions, excluding near-wall areas, improving the near-wall flow reconstruction to enhance the estimation of related quantities such as wall shear stresses. The proposed approach remarkably improves the

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Saiki, Hirofumi, Seiko Kuwata, Yoichi Iwamoto, et al. "Fenestration in the Fontan circulation as a strategy for chronic cardioprotection." Heart 105, no. 16 (2019): 1266–72. http://dx.doi.org/10.1136/heartjnl-2018-314183.

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BackgroundFenestration in the Fontan circulation potentially liberates patients from factors leading to cardiovascular remodelling, through stable haemodynamics with attenuated venous congestion. We hypothesised that a fenestrated Fontan procedure would possess chronic haemodynamic advantages beyond the preload preservation.MethodsWe enrolled 35 patients with fenestrated Fontan with a constructed pressure–volume relationship under dobutamine (DOB) infusion and/or transient fenestration occlusion (TFO). Despite the use of antiplatelets and anticoagulants, natural closure of fenestration was con

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Karyofyllis, Panagiotis, Eftychia Demerouti, Eleftheria-Garyfallia Tsetika, et al. "Haemolytic Anaemia-Related Pulmonary Hypertension." Life 14, no. 7 (2024): 876. http://dx.doi.org/10.3390/life14070876.

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Haemolytic anaemia represents a risk factor for the development of pulmonary hypertension (PH), currently classified as World Health Organization group 5 PH, and data regarding appropriate therapeutic strategy are limited. A total of 28 patients, 85.7% with thalassaemia and 14.3% with sickle cell disease, with a diagnosis of PH confirmed by right heart catheterization were included in the study. The patients were divided into three groups according to the PH haemodynamic definition and overall diagnostic approach: 42.9% had precapillary PH (pulmonary arterial hypertension—PAH group), 25% had p

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McClarty, Davis, Maral Ouzounian, Mingyi Tang, et al. "Ascending aortic aneurysm haemodynamics are associated with aortic wall biomechanical properties." European Journal of Cardio-Thoracic Surgery 61, no. 2 (2021): 367–75. http://dx.doi.org/10.1093/ejcts/ezab471.

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Abstract OBJECTIVES The effect of aortic haemodynamics on arterial wall properties in ascending thoracic aortic aneurysms (ATAAs) is not well understood. We aim to delineate the relationship between shear forces along the aortic wall and loco-regional biomechanical properties associated with the risk of aortic dissection. METHODS Five patients with ATAA underwent preoperative magnetic resonance angiogram and four-dimensional magnetic resonance imaging. From these scans, haemodynamic models were constructed to estimate maximum wall shear stress (WSS), maximum time-averaged WSS, average oscillat

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Ho, Kay Woon, and Vladimír Džavík. "Haemodynamic Support Devices for Complex and High-risk Percutaneous Coronary Intervention." Interventional Cardiology Review 6, no. 1 (2011): 17. http://dx.doi.org/10.15420/ecr.2012.5.1.17.

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Patients at high risk, such as those with marked left ventricular dysfunction, acute coronary syndromes with unstable haemodynamics and arrhythmias, as well as single target vessels that supply a large area of myocardium, are undergoing percutaneous coronary intervention (PCI) with increasing frequency. Percutaneous haemodynamic support devices, including intra-aortic balloon counterpulsation pumps, percutaneous cardiopulmonary support and left ventricular assist devices, have been developed as adjunctive therapies during these complex procedures. Improvements in haemodynamic profiles with the

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