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Hemodynamic review

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https://www.readbyqxmd.com/read/28644852/comparisons-of-retinal-vessel-diameter-and-glaucomatous-parameters-between-both-eyes-of-subjects-with-clinically-unilateral-pseudoexfoliation-syndrome
#1
Yasuyuki Takai, Masaki Tanito, Tetsuro Omura, Ryo Kawasaki, Yumiko Kawasaki, Akihiro Ohira
PURPOSE: Pseudoexfoliation syndrome (PEX), the most common identifiable cause of open-angle glaucoma, might affect the retinal hemodynamics. To test this, we compared retinal vessel diameter and glaucoma-related parameters between eyes with pseudoexfoliation material (PE+) and fellow unaffected (PE-) eyes of patients with clinically unilateral PEX. METHODS: The medical records of 30 consecutive Japanese subjects were reviewed retrospectively. The retinal vessel diameters were measured and expressed as the central retinal arteriolar equivalent (CRAE) and central retinal venular equivalent (CRVE) using standardized software...
2017: PloS One
https://www.readbyqxmd.com/read/28644688/intraosseous-administration-of-antidotes-a-systematic-review
#2
Audrée Elliott, Pierre-André Dubé, Amélie Cossette-Côté, Laura Patakfalvi, Eric Villeneuve, Martin Morris, Sophie Gosselin
CONTEXT: Intraosseous (IO) access is an established route of administration in resuscitation situations. Patients with serious poisoning presenting to the emergency department may require urgent antidote therapy. However, intravenous (IV) access is not always readily available. OBJECTIVE: This study reviews the current evidence for IO administration of antidotes that could be used in poisoning. The primary outcome was mortality as a surrogate of efficacy. Secondary outcomes included hemodynamic variables, electrocardiographic variables, neurological status, pharmacokinetics outcomes, and adverse effects as defined by each article...
June 23, 2017: Clinical Toxicology
https://www.readbyqxmd.com/read/28643999/dexmedetomidine-and-general-anesthesia-a-narrative-literature-review-of-its-major-indications-for-use-in-adults-undergoing-non-cardiac-surgery
#3
Arthur Davy, Julien Fessler, Marc Fischler, Morgan le Guen
BACKGROUND: In Europe, dexmedetomidine has marketing approval only for sedation in intensive care units. However, its use during general anesthesia has been widely reported. The aim of this narrative review is to draw a picture of potential indications in anesthesia. METHODS: We searched in MEDLINE, EMBASE and the Cochrane Central Register of Controlled Trials using the keywords "Dexmedetomidine, Dexdor, Precedex and Dexdomitor". The research ended in December 2016...
June 22, 2017: Minerva Anestesiologica
https://www.readbyqxmd.com/read/28641799/the-continued-search-for-physiological%C3%A2-pacing-where-are-we-now
#4
REVIEW
Pugazhendhi Vijayaraman, Pierre Bordachar, Kenneth A Ellenbogen
Cardiac pacing is an effective treatment for patients with bradycardia due to sinus node dysfunction or atrioventricular block. Despite decades of technological advances, the optimal ventricular pacing site to mimic normal human ventricular physiology and best hemodynamic response remains elusive. Beginning with atrial synchronous right ventricular (RV) apical pacing, the search has continued through alternate RV pacing sites, minimizing RV pacing, biventricular pacing, left ventricular (LV) pacing, and His-bundle pacing...
June 27, 2017: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/28639234/novel-biomarkers-of-subclinical-cardiac-dysfunction-in-the-general-population
#5
REVIEW
Kamal Shemisa, Anish Bhatt, Daniel Cheeran, Ian J Neeland
PURPOSE OF REVIEW: Recognition of subclinical myocardial dysfunction offers clinicians and patients an opportunity for early intervention and prevention of symptomatic cardiovascular disease. We review the data on novel biomarkers in subclinical heart disease in the general population with a focus on pathophysiology, recent observational or trial data, and potential applicability and pitfalls for clinical use. RECENT FINDINGS: High-sensitivity cardiac troponin and natriuretic peptide assays are powerful markers of subclinical cardiac disease...
June 21, 2017: Current Heart Failure Reports
https://www.readbyqxmd.com/read/28639223/imaging-of-left-ventricular-hypertrophy-a-practical-utility-for-differential-diagnosis-and-assessment-of-disease-severity
#6
REVIEW
Toru Kubo, Hiroaki Kitaoka
PURPOSE OF REVIEW: Left ventricular hypertrophy (LVH) is often encountered in clinical practice, and it is a risk factor for cardiac mortality and morbidity. Determination of the etiology and disease severity is important for the management of patients with LVH. The aim of this review is to show the remarkable progress in cardiac imaging and its importance in clinical practice. RECENT FINDINGS: This review focuses on clinical features and characteristic cardiac imaging in LVH caused by various diseases including hypertension, aortic valve stenosis, hypertrophic cardiomyopathy, and secondary cardiomyopathies...
August 2017: Current Cardiology Reports
https://www.readbyqxmd.com/read/28636525/prognostic-significance-of-improvement-in-right-ventricular-systolic-function-during-cardiac-resynchronization-therapy
#7
Frederik Helsen, Alexander Van De Bruaene, Charlien Gabriels, Mathias Claeys, Els Troost, Gábor Vörös, Rik Willems, Jens-Uwe Voigt, Werner Budts
Objectives There is conflicting evidence concerning the role of right ventricular (RV) systolic dysfunction in the long-term clinical outcome after cardiac resynchronization therapy (CRT). Therefore we aimed to assess evolution of RV systolic function during CRT, covariates associated with its improvement, and its impact on outcome. Methods and results All CRT device implantations (Jan 2009-Dec 2011) in our institution were reviewed. Records of 69 patients (25% female, mean age 62.8 ± 9.2 years, mean left ventricular (LV) ejection fraction 27 ± 8%) were analyzed...
March 31, 2017: Acta Cardiologica
https://www.readbyqxmd.com/read/28632657/role-of-computed-tomography-in-the-classification-of-pediatric-pelvic-fractures-revisited
#8
Melissa A Bent, William L Hennrikus, Johan E Latorre, Douglas G Armstrong, Brian Shaw, Kerwyn C Jones, Lee S Segal
OBJECTIVES: To determine the need for computerized tomography (CT) scans in the assessment of pediatric pelvic fractures. DESIGN: Retrospective Chart Review. SETTING: Level-1 Pediatric Trauma Center. PATIENTS/PARTICIPANTS: Thirty pediatric trauma patients with pelvic fractures who have obtained both a radiograph and CT scan. MAIN OUTCOME MEASUREMENTS: Fleiss Kappa coefficient to compare interreliability...
July 2017: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/28631765/-noninvasive-ventilation-and-sedation-evidence-and-practical-tools-for-its-utilization
#9
Ilaria Battistoni, Marco Marini, Giorgio Caretta, Fabio Vagnarelli, Fabiana Lucà, Emilia Biscottini, Alberto Lavorgna, Vincenza Procaccini, Letizia Riva, Gabriele Vianello, Nadia Aspromonte, Massimo Iacoviello, Renata De Maria, Serafina Valente, Michele Massimo Gulizia
Noninvasive ventilation (NIV) has gained increased acceptance inside the critical area, since it has been shown to be effective in reducing or avoiding the need for oro-tracheal intubation. NIV efficacy is dependent on the selection of the appropriate patients and on their compliance to therapy. Actually, full collaboration is not easily reached especially in agitated patients.Sedation during NIV is useful to reduce the rate of treatment failure, but robust data to guide the development of best practice are limited and sometimes local customs appear to exert a strong influence on patterns of care...
June 2017: Giornale Italiano di Cardiologia
https://www.readbyqxmd.com/read/28631764/-hemodynamic-effects-of-positive-end-expiratory-pressure
#10
Marco Marini, Giorgio Caretta, Fabio Vagnarelli, Fabiana Lucà, Emilia Biscottini, Alberto Lavorgna, Vincenza Procaccini, Letizia Riva, Gabriele Vianello, Nadia Aspromonte, Andrea Mortara, Renata De Maria, Piera Capasso, Serafina Valente, Michele Massimo Gulizia
The application of a positive end-expiratory pressure (PEEP), the cornerstone of noninvasive ventilation (NIV), causes hemodynamic changes in the cardiovascular system. To understand the benefits of NIV it is necessary to resume concepts of cardiovascular physiology and pathophysiology about cardiac function determinants, venous return, ventricular interdependence and heart-lung interaction, and to understand how PEEP interacts with them. The hemodynamic effects of PEEP are mediated by the increase in transpulmonary pressure, which results in increased pulmonary vascular resistance and in an attending small reduction of venous return in conditions of euvolemia, in a substantial reduction of left ventricular afterload and a potential positive effect on left ventricular stroke volume...
June 2017: Giornale Italiano di Cardiologia
https://www.readbyqxmd.com/read/28630881/review-of-functional-and-clinical-relevance-of-intrinsic-signal-optical-imaging-in-human-brain-mapping
#11
REVIEW
Katherine A Morone, Joseph S Neimat, Anna W Roe, Robert M Friedman
Intrinsic signal optical imaging (ISOI) within the first decade of its use in humans showed its capacity as a precise functional mapping tool. It is a powerful tool that can be used intraoperatively to help a surgeon to directly identify functional areas of the cerebral cortex. Its use is limited to the intraoperative setting as it requires a craniotomy and durotomy for direct visualization of the brain. It has been applied in humans to study language, somatosensory and visual cortices, cortical hemodynamics, epileptiform activity, and lesion delineation...
July 2017: Neurophotonics
https://www.readbyqxmd.com/read/28629642/splenic-vein-reconstruction-is-unnecessary-in-pancreatoduodenectomy-combined-with-resection-of-the-superior-mesenteric-vein-portal-vein-confluence-according-to-short-term-outcomes
#12
Haruyoshi Tanaka, Akimasa Nakao, Kenji Oshima, Kiyotsugu Iede, Yukiko Oshima, Hironobu Kobayashi, Yasunori Kimura
BACKGROUND: Superior mesenteric vein-portal vein confluence resection combined with pancreatoduodenectomy (SMPVrPD) is occasionally required for resection of pancreatic head tumors. It remains unclear whether such situations require splenic vein (SV) reconstruction for decompression of left-sided portal hypertension (LSPH). METHODS: The data from 93 of 104 patients who underwent pancreatoduodenectomy (PD) for pancreatic head malignancies were reviewed. Surgical outcomes in three groups-standard PD (control group), PD combined with vascular resection and SV preservation (SVp group), and SMPVrPD with SV resection (SVr group)-were compared...
June 16, 2017: HPB: the Official Journal of the International Hepato Pancreato Biliary Association
https://www.readbyqxmd.com/read/28625438/efficacy-of-prophylactic-doses-of-intravenous-nitroglycerin-in-preventing-myocardial-ischemia-under-general-anesthesia-a-systematic-review-and-meta-analysis-with-trial-sequential-analysis
#13
REVIEW
Hiroshi Hoshijima, Yohei Denawa, Takahiro Mihara, Risa Takeuchi, Norifumi Kuratani, Tsutomu Mieda, Yoshinori Iwase, Toshiya Shiga, Zen'ichiro Wajima, Hiroshi Nagasaka
STUDY OBJECTIVE: To evaluate the efficacy of intravenous nitroglycerin (TNG) in preventing intraoperative myocardial ischemia (MI) under general anesthesia. Moreover, we analyzed the hemodynamic changes in heart rate (HR), mean blood pressure (MBP), and pulmonary capillary wedge pressure (PCWP) associated with TNG administration both before and after the induction of anesthesia. DESIGN: Meta-analysis. SETTING: Operating room, cardiac surgery or non-cardiac surgery, all surgeries were elective measurements...
August 2017: Journal of Clinical Anesthesia
https://www.readbyqxmd.com/read/28625139/targeting-cholinergic-system-to-modulate-liver-injury
#14
Ravirajsinh N Jadeja, Vikrant P Rachakonda, Sandeep Khurana
Over the past few decades, evidence accumulated to indicate that parasympathetic innervation regulates liver injury and regeneration. Liver derives its parasympathetic input via vagus nerve. In animal models, vagus nerve stimulation and transection are frequently used to determine the impact of parasympathetic input on liver injury responses. Such strategies provide limited understanding of post-neuronal mechanisms involved in regulation of liver injury. The hepatic branch of vagus nerve releases acetylcholine (ACh), which activates muscarinic and nicotinic receptors in hepatocytes as well as non-parenchymal cells to modulate cellular functions...
June 18, 2017: Current Drug Targets
https://www.readbyqxmd.com/read/28619098/interventions-to-prevent-hemodynamic-instability-during-renal-replacement-therapy-for-acute-kidney-injury-a-systematic-review-protocol
#15
Adrianna Douvris, Swapnil Hiremath, Lauralyn McIntyre, Lindsey Sikora, Catherine Weber, Edward G Clark
BACKGROUND: Hemodynamic instability during renal replacement therapy (HIRRT) in the form of intradialytic hypotension (IDH) is a frequent complication of hemodialysis in end-stage kidney disease (ESKD), and most studies have focused on this chronic population. However, HIRRT is also an important concern for critically ill ICU patients with acute kidney injury (AKI), complicating an estimated 30% of dialysis treatments in this population. HIRRT can exacerbate organ hypoperfusion in the setting of critical illness and may negatively impact renal recovery in the AKI population...
June 15, 2017: Systematic Reviews
https://www.readbyqxmd.com/read/28617684/non-infarct-related-artery-revascularization-in-st-segment-elevation-myocardial-infarction-patients-with-multivessel-disease
#16
Asim N Cheema, Shamir R Mehta, Subodh Verma, Akshay Bagai
PURPOSE OF REVIEW: Multivessel disease (MVD) is common in ST-segment elevation myocardial infarction (STEMI) patients undergoing primary percutaneous coronary intervention (PCI) and is associated with significant risk of future cardiovascular (CV) events including short and longer-term mortality. In this review, we examine the pathophysiologic construct contributing to adverse prognosis of MVD in STEMI, relevant available evidence that currently guides the management of the noninfarct-related artery (IRA) stenosis and define the remaining knowledge gaps for future studies...
June 15, 2017: Current Opinion in Cardiology
https://www.readbyqxmd.com/read/28616210/acute-kidney-injury-an-overview-of-diagnostic-methods-and-clinical-management
#17
Daniel Hertzberg, Linda Rydén, John W Pickering, Ulrik Sartipy, Martin J Holzmann
Acute kidney injury (AKI) is a common condition in multiple clinical settings. Patients with AKI are at an increased risk of death, over both the short and long term, and of accelerated renal impairment. As the condition has become more recognized and definitions more unified, there has been a rapid increase in studies examining AKI across many different clinical settings. This review focuses on the classification, diagnostic methods and clinical management that are available, or promising, for patients with AKI...
June 2017: Clinical Kidney Journal
https://www.readbyqxmd.com/read/28612958/clinical-characteristics-and-salvage-management-of-persistent-cesarean-scar-pregnancy
#18
Xue Ying, Wei Zheng, Li Zhao, Mi Zhou, Zhengyun Chen
AIM: The study was conducted to illustrate the clinical characteristics and treatment outcomes of patients with persistent cesarean scar pregnancy (PCSP). METHODS: During a six-year period, 38 cases of PCSP were diagnosed and treated conservatively to preserve fertility. The clinical presentations, imaging findings and treatment outcomes of these patients were reviewed. RESULTS: Fourteen out of 38 women (37%) presenting with PCSP suffered heavy vaginal bleeding...
June 14, 2017: Journal of Obstetrics and Gynaecology Research
https://www.readbyqxmd.com/read/28611152/hepatic-vein-pressure-predicts-gfr-in-cirrhotic-patients-with-hemodynamic-kidney-dysfunction
#19
Neel Desai, Joel Neugarten, Mary Dominguez, Ladan Golestaneh
The role of "nephrocongestion" in hemodynamic renal disease is understudied. Intra-abdominal hypertension accompanies liver disease and renal disease. Our hypothesis states that in those patients with liver disease, hepatic vein pressure measured during a transjugular intrahepatic portosystemic shunt (TIPS) procedure reflects intra-abdominal pressure and predicts estimated glomerular filtration rate (eGFR). We gathered data from our clinical database and chart review on a cohort of cirrhotic patients who received TIPS at Montefiore as part of their clinical care between 2004 and 2014...
June 2017: Physiological Reports
https://www.readbyqxmd.com/read/28606346/empa-reg-outcome-the-nephrologist-s-point-of-view
#20
Christoph Wanner
There is increasing evidence that sodium glucose cotransporter 2 (SGLT2) inhibitors have renoprotective effects, as demonstrated by the renal analyses from clinical trials including Empagliflozin Cardiovascular Outcome Event Trial in Type 2 Diabetes Mellitus Patients-Removing Excess Glucose (EMPA-REG OUTCOME), CANagliflozin Treatment And Trial Analysis versus SUlphonylurea (CANTATA-SU), and the dapagliflozin renal study. The potential mechanisms responsible are likely multifactorial, and direct renovascular and hemodynamic effects are postulated to play a central role...
July 1, 2017: American Journal of Cardiology
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