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1,033
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Dataset results
1,033 results for “Embolism”
Angioplasty of Distal Lesions for Carriers of Inoperable Post-embolic HTP
ClinicalTrials.gov study NCT02844036. IPD Sharing: Not stated. Countries: 1. Publications: 9.
Complications of Gonadal Veins Embolization
ClinicalTrials.gov study NCT05085938. IPD Sharing: NO. Countries: 1. Publications: 3.
Simultaneous Portal and Hepatic Vein Versus Portal Vein Embolizations for Hypertrophy of the Future Liver Remnant
ClinicalTrials.gov study NCT03841305. IPD Sharing: Not stated. Countries: 1. Publications: 1.
Analysis of Thrombo-embolic Complications After Endovascular Treatment of Unruptured Intracranial Aneurysms
ClinicalTrials.gov study NCT02862756. IPD Sharing: Not stated. Countries: 1. Publications: 1.
Prognostic Value of Plasma Lactate Levels Among Patients With Acute Pulmonary Embolism
ClinicalTrials.gov study NCT01908231. IPD Sharing: Not stated. Countries: 2. Publications: 11.
Chronic Thrombo-embolic Pulmonary Hypertension: Classification and Long Term Outcome
ClinicalTrials.gov study NCT02565030. IPD Sharing: Not stated. Countries: 1. Publications: 6.
TIPS Combined With Variceal Embolization for the Prevention of Variceal Rebleeding in Patients With Cirrhosis
ClinicalTrials.gov study NCT02119988. IPD Sharing: Not stated. Countries: 1. Publications: 1.
Prostatic Artery Embolization vs Medication for Benign Prostatic Hyperplasia
ClinicalTrials.gov study NCT04398966. IPD Sharing: YES. Countries: 1. Publications: 0.
GENERAL;GENeral Practitioners and Embolism pRevention in NVAF Patients Treated With RivAroxaban:reaL-life Evidence
ClinicalTrials.gov study NCT02633982. IPD Sharing: Not stated. Countries: 1. Publications: 1.
ELECT Trial - Embolization of the Lumbar Arteries Before EVAR
ClinicalTrials.gov study NCT03842930. IPD Sharing: UNDECIDED. Countries: 1. Publications: 1.
Data from: No role for xylem embolism or carbohydrate shortage in temperate trees during the severe 2015 drought
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Topography strongly affects drought stress and xylem embolism resistance in woody plants from a karst forest in Southwest China
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Data from: An inconvenient truth about xylem resistance to embolism in the model species for refilling Laurus nobilis L.
Direct, non-invasive X-ray microtomography and optical technique observations applied in stems and leaves of intact seedlings revealed that laurel is highly resistant to drought-induced xylem embolism. Contrary to what has been brought forward, daily cycles of embolism formation and refilling are unlikely to occur in this species and to explain how it copes with drought. There has been considerable controversy regarding xylem embolism resistance for long-vesselled angiosperm species and particularly for the model species for refilling (Laurus nobilis L.). The purpose of this study was to resolve the hydraulic properties of this species by documenting vulnerability curves of different organs in intact plants. Here, we applied a direct, non-invasive method to visualize xylem embolism in stems and leaves of intact laurel seedlings up to 2-m tall using X-ray microtomography (microCT) observations and the optical vulnerability technique. These approaches were coupled with complementary centrifugation measurements performed on 1-m long branches sampled from adult trees and compared with additional microCT analyses carried out on 80-cm cut branches. Direct observations of embolism spread during desiccation of intact laurels revealed that 50% loss of xylem conductivity (Ψ50) was reached at − 7.9 ± 0.5 and − 8.4 ± 0.3 MPa in stems and leaves, respectively, while the minimum xylem water potentials measured in the field were − 4.2 MPa during a moderate drought season. Those findings reveal that embolism formation is not routine in Laurus nobilis contrary to what has been previously reported. These Ψ50 values were close to those based on the flow-centrifuge technique (− 9.2 ± 0.2 MPa), but at odds with microCT observations of cut branches (− 4.0 ± 0.5 MPa). In summary, independent methods converge toward the same conclusion that laurel is highly resistant to xylem embolism regardless its development stage. Under typical growth conditions without extreme drought events, this species maintains positive hydraulic safety margin, while daily cycles of embolism formation and refilling are unlikely to occur in this species.
Data from: Divergence in strategies for coping with winter embolism among co-occurring temperate tree species: the role of positive xylem pressure, wood type and tree stature
1. In temperate ecosystems, freeze-thaw events are an important environmental stress that can induce severe xylem embolism (i.e. clogging of conduits by air bubbles) in overwintering organs of trees. However, no comparative studies of different adaptive strategies among sympatric tree species for coping with winter embolism have examined the potential role of the presence or absence of embolism refilling by positive xylem pressure. 2. We evaluated the degree of winter embolism and hydraulic architecture traits in 22 deciduous angiosperm tree species typical of temperate forest sites in NE China. Co-occurring trees growing in a local botanical garden were used to minimize variation caused by differences in proximal environmental conditions and to ensure that interspecific variation reflected genetic differences between species. 3. Four functional groups with potentially different strategies for coping with winter embolism were compared: positive xylem pressure generating species (PXP) that are all diffuse-porous, except a semi-ring-porous species, large (LDP) and small (SDP) statured diffuse-porous tree species that are unable to generate positive xylem pressure, and ring-porous species (RP). 4. The PXP group exhibited nearly full recovery from winter embolism in contrast to the other three groups, which showed persistent and relatively high degrees of hydraulic dysfunction during the subsequent growing season. The absence of a functional trade-off between hydraulic efficiency and safety against freeze-thaw induced embolism in the PXP group and the presence of a trade-off in the other three groups, suggests that the ability to generate root or stem pressure for embolism refilling may partially free some temperate tree species from adaptive constraints imposed by winter embolism formation. 5. Efficient winter embolism reversal by positive pressure in PXP species did not distinguish them from their non-xylem pressure-generating LDP counterparts in terms of various measures of xylem hydraulic efficiency during the growing season. Divergence in the ability to refill winter embolism through generation of positive xylem pressure implies a series of functional trade-offs that may partially explain the co-existence of these two types of temperate tree species.
Semisitting Position and Venous Air Embolism in Neurosurgical Patients with Patent Foramen Ovale: A Systematic Analysis
<p>The semisitting position (SSP) offers significant advantages for neurosurgeons but presents numerous challenges to anesthesiologists. One major concern is venous air embolism (VAE). The incidence of patent foramen ovale (PFO) is approximately 10-35%. Typically, PFO causes a left-to-right shunt, but there is also a possibility of paradoxical embolism. Patients who undergo sitting craniotomies are routinely evaluated using a preoperative transthoracic echocardiogram (TTE) or transesophageal echocardiogram (TEE). Even in the presence of a PFO, neurosurgeons frequently prefer to perform surgery in the SSP. The incidence of venous air embolism in the sitting position is 23-45%. However, the rate of clinically significant air embolism is significantly lower. We conducted herein a systematic review of the incidence rates of PFO, venous air embolism, and complications in patients undergoing semisitting neurosurgical procedures. According to our analysis, the incidence of VAE was similar in both unknown and known PFO status patients (23.5% vs. 24.5%; p = 0.88) undergoing semisitting neurosurgical procedures. Other complications, such as hypotension, MI, stroke and perioperative deaths, could not be compared between the two groups due to inadequate power. However, there is a lack of level A evidence from currently available observational studies. Definitive evidence-based recommendations and guidelines based on well-designed studies are required to address this problem</p>
Study on the Clinical Course Of Pulmonary Embolism
ClinicalTrials.gov study NCT01781858. IPD Sharing: Not stated. Countries: 0. Publications: 22.
Bridge to Orthotopic Liver Transplantation (OLT) - Surefire Precision vs Endhole Embolization With DEBTACE
ClinicalTrials.gov study NCT03170869. IPD Sharing: NO. Countries: 1. Publications: 0.
Evaluation of the Safety of LipiodolⓇ Embolization in Symptomatic Digital Osteoarthritis Refractory to Conventional Treatment
ClinicalTrials.gov study NCT06611007. IPD Sharing: YES. Countries: 1. Publications: 0.
Bleeding Reduction in Grade II-III Haemorrhoids Through Embolization Treatment
ClinicalTrials.gov study NCT07264413. IPD Sharing: NO. Countries: 0. Publications: 5.
Prostate Artery Embolization (PAE) for Lower Urinary Tract Symptoms (LUTS) Due to Benign Prostatic Hyperplasia (BPH)
ClinicalTrials.gov study NCT02930889. IPD Sharing: Not stated. Countries: 1. Publications: 0.
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OpenNeuro
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