Results 51 to 60 of about 481,434 (314)

Pulse pressure variation and stroke volume variation during increased intra-abdominal pressure: an experimental study [PDF]

Critical Care, 2011
Abstract Introduction The aim of this study was to evaluate dynamic indices of fluid responsiveness in a model of intra-abdominal hypertension. Methods Nine mechanically-ventilated pigs underwent increased intra-abdominal pressure (IAP)
Jacques, Didier, Bendjelid, Karim, Duperret, Serge, Colling, Joëlle, Piriou, Vincent, Viale, Jean-Paul   +5 more
openaire   +3 more sources

Pleth variability index versus pulse pressure variation for intraoperative goal-directed fluid therapy in patients undergoing low-to-moderate risk abdominal surgery: a randomized controlled trial

BMC Anesthesiology, 2019
BackgroundGoal-directed fluid therapy (GDFT) based on dynamic indicators of fluid responsiveness has been shown to decrease postoperative complications and hospital length of stay (LOS) in patients undergoing major abdominal surgery.
Sean Coeckelenbergh, A. Delaporte, D. Ghoundiwal, Javad Bidgoli, Jean-François Fils, D. Schmartz, P. Van der Linden   +6 more
semanticscholar   +1 more source

Pulse pressure variation and stroke volume variation to predict fluid responsiveness in patients undergoing carotid endarterectomy [PDF]

Korean Journal of Anesthesiology, 2013
BackgroundDuring carotid endarterectomy (CEA), hemodynamic stability and adequate fluid management are crucial to prevent perioperative cerebral stroke, myocardial infarction and hyperperfusion syndrome.
Kyung Mi Kim, Mi Sook Gwak, Soo Joo Choi, Myung Hee Kim, Mi Hye Park, Burn Young Heo   +5 more
doaj   +1 more source

Robust computation of pulse pressure variations [PDF]

Biomedical Signal Processing and Control, 2018
Evidence of arterial pulse pressure variations caused by cardio-pulmonary interactions, and their connection to volume status via the Frank–Starling relationship, are well documented in the literature. Computation of pulse pressure variations from arterial pressure measurements is complicated by the fact that systolic and diastolic peaks are not evenly
openaire   +2 more sources

Experimental study on pulse characteristics of negative corona discharge in SF6/N2 gas mixtures under DC voltages

AIP Advances, 2020
Corona discharge, an inevitable phenomenon, may lead to insulation degradation, threatening the safe and reliable operation of gas-insulated power equipment. The pulse stage is a complex but usual discharge process in corona discharge.
Yanliang He, Anbang Sun, Jianyi Xue, Zhiwei Shen, Xing Zhang, Guanjun Zhang   +5 more
doaj   +1 more source

Temporal and Bidirectional Association Between Blood Pressure Variability and Arterial Stiffness: Cross-Lagged Cohort Study

JMIR Public Health and Surveillance, 2023
BackgroundThe causal relationship between blood pressure variability (BPV) and arterial stiffness remains debated. ObjectiveThis study aimed to explore the temporal and bidirectional associations between long-term BPV ...
Zhiyuan Wu, Haiping Zhang, Yutao Wang, Zhiwei Li, Xia Li, Lixin Tao, Xiuhua Guo   +6 more
doaj   +1 more source

Pulse pressure variation and systolic pressure variation in mechanically ventilated children

Paediatrica Indonesiana, 2011
Background In mechanically ventilated patients, changes in breathing patterns may affect the preload, causing stroke volume fluctuation. Pulse pressure variation (PPV) and systolic pressure variation (SPV) are dynamic means of the hemodynamic monitoring in ventilated patients.
Johnny Nurman, . Antonius H. Pudjiadi,, Arwin AP. Akib   +2 more
openaire   +2 more sources

Structural instability impairs function of the UDP‐xylose synthase 1 Ile181Asn variant associated with short‐stature genetic syndrome in humans

FEBS Letters, EarlyView.
The Ile181Asn variant of human UDP‐xylose synthase (hUXS1), associated with a short‐stature genetic syndrome, has previously been reported as inactive. Our findings demonstrate that Ile181Asn‐hUXS1 retains catalytic activity similar to the wild‐type but exhibits reduced stability, a looser oligomeric state, and an increased tendency to precipitate ...
Tuo Li, Pedro A. Sánchez‐Murcia, Bernd Nidetzky   +2 more
wiley   +1 more source

24-h ambulatory pulse wave velocity and central blood pressure in type 2 diabetes

Artery Research, 2014
Background: Pulse wave analysis from a brachial cuff permits ambulatory measurements of pulse wave velocity (PWV) and central blood pressure parameters. The diurnal variation of PWV in type 2 diabetes is unknown. Methods: We evaluated the Arteriograph24
C. Krogager, N.B. Rossen, E. Laugesen, S.T. Knudsen, P.L. Poulsen, K.W. Hansen   +5 more
doaj   +1 more source

Gut microbiota diversity is prognostic in metastatic hormone receptor‐positive breast cancer patients receiving chemotherapy and immunotherapy

Molecular Oncology, EarlyView.
In this exploratory study, we investigated the relationship between the gut microbiota and outcome in patients with metastatic hormone receptor‐positive breast cancer, treated in a randomized clinical trial with chemotherapy alone or chemotherapy in combination with immune checkpoint blockade.
Andreas Ullern, Kristian Holm, Nikolai Kragøe Andresen, Andreas Hagen Røssevold, Corinna Bang, Bjørn Naume, Johannes R. Hov, Jon Amund Kyte   +7 more
wiley   +1 more source