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https://www.readbyqxmd.com/read/29353381/effect-of-kaempferol-pretreatment-on-myocardial-injury-in-rats
#1
Anamika Vishwakarma, Thakur Uttam Singh, Soya Rungsung, Tarun Kumar, Arunvikram Kandasamy, Subhashree Parida, Madhu Cholenahalli Lingaraju, Ajay Kumar, Asok Kumar, Dinesh Kumar
The present study was undertaken to evaluate the effect of kaempferol in isoprenaline (ISP)-induced myocardial injury in rats. ISP was administered subcutaneously for two subsequent days to induce myocardial injury. Assessment of myocardial injury was done by estimation of hemodynamic functions, myocardial infarcted area, cardiac injury markers, lipid profile, oxidative stress, pro-inflammatory cytokines and histopathology of heart and liver. Rats pretreated with kaempferol showed reduction in the myocardial infarcted area and heart rate...
January 20, 2018: Cardiovascular Toxicology
https://www.readbyqxmd.com/read/29348010/early-outcomes-with-the-evolut-pro-repositionable-self-expanding-transcatheter-aortic-valve-with-pericardial-wrap
#2
John K Forrest, Abeel A Mangi, Jeffrey J Popma, Kamal Khabbaz, Michael J Reardon, Neal S Kleiman, Steven J Yakubov, Daniel Watson, Susheel Kodali, Isaac George, Peter Tadros, George L Zorn, John Brown, Robert Kipperman, Sara Saul, Hongyan Qiao, Jae K Oh, Mathew R Williams
OBJECTIVES: This study sought to evaluate the Medtronic Evolut PRO Transcatheter Aortic Valve System in patients with severe symptomatic aortic stenosis. BACKGROUND: A next-generation self-expanding transcatheter aortic valve was designed with an external pericardial wrap with the intent to reduce paravalvular leak while maintaining the benefits of a low-profile, self-expanding, and repositionable supra-annular valve. METHODS: The Medtronic Evolut PRO Clinical Study included 60 patients undergoing transcatheter aortic valve replacement with the Evolut PRO valve at 8 investigational sites in the United States...
January 22, 2018: JACC. Cardiovascular Interventions
https://www.readbyqxmd.com/read/29346245/diagnostic-yield-and-safety-of-bronchoscopist-directed-moderate-sedation-with-a-bolus-dose-administration-of-propofol-during-endobronchial-ultrasound-bronchoscopy
#3
Danai Khemasuwan, Krittika Teerapuncharoen, David C Griffin
BACKGROUND: The propofol use for moderate sedation (MS) during endobronchial ultrasound (EBUS) bronchoscopy is primarily restricted for use by an anesthesiologist because of safety concerns. The goals of this study were to demonstrate the safety and the diagnostic yield of the use of propofol by bronchoscopists and trained endoscopy nurses during EBUS bronchoscopy without intubation. METHODS: We tested a bolus propofol administration protocol targeting MS for EBUS bronchoscopy...
January 16, 2018: Journal of Bronchology & Interventional Pulmonology
https://www.readbyqxmd.com/read/29340488/impact-of-continuous-positive-airway-pressure-on-the-pulmonary-changes-promoted-by-immersion-in-water
#4
Danize Aparecida Rizzetti, Janayna Rodembuch Borba Quadros, Bruna Esmerio Ribeiro, Letícia Callegaro, Aline Arebalo Veppo, Giulia Alessandra Wiggers, Franck Maciel Peçanha
OBJECTIVE: To determine whether different levels of CPAP improve the lung volumes and capacities of healthy subjects immersed in water. METHODS: This was a randomized clinical trial, conducted between April and June of 2016, involving healthy female volunteers who were using oral contraceptives. Three 20-min immersion protocols were applied: control (no CPAP); CPAP5 (CPAP at 5 cmH2O); and CPAP10 (CPAP at 10 cmH2O). We evaluated HR, SpO2, FVC, FEV1, the FEV1/FVC ratio, peak expiratory flow rate (PEFR), and FEF25-75%) at three time points: pre-immersion; 10 min after immersion; and 10 min after the end of each protocol...
November 2017: Jornal Brasileiro de Pneumologia: Publicaça̋o Oficial da Sociedade Brasileira de Pneumologia e Tisilogia
https://www.readbyqxmd.com/read/29338148/novel-applications-of-bedside-monitoring-to-plumb-patient-hemodynamic-state-and-response-to-therapy
#5
Fabio Guarracino, Pietro Bertini, Michael R Pinsky
Hemodynamic monitoring is essential during the treatment of the critically ill in order to address the hemodynamic alterations and assess the response to treatment. Traditionally classified causes of shock and underlying pathophysiological mechanisms are often neglected by resuscitative strategies included in the guidelines. Most of hemodynamic management focuses on the ability to early recognise patients susceptible to increase cardiac output (CO) and mean arterial pressure (MAP) after a defined fluid challenge by eliciting Starling's law of the heart, and less is known of the ones presenting in shock and not volume responsive...
January 16, 2018: Minerva Anestesiologica
https://www.readbyqxmd.com/read/29336626/antihypertensive-monotherapy-or-combined-therapy-which-is-more-effective-on-functional-status
#6
Liliana C Baptista, André Pinto Amorim, João Valente-Dos-Santos, Aristides M Machado-Rodrigues, Manuel Teixeira Veríssimo, Raul A Martins
BACKGROUND: This study aims to analyze the effects of anti-hypertensive monotherapy and combined therapy on functional status, and cardiovascular risk outcomes in older adults. METHODS: This longitudinal non-randomized cohort study, involved hypertensive older adults (n = 440) aged 60 or more years with comorbidities. Participants underwent a community exercise training program and one of the following 2 conditions: i) use of daily mono-dose angiotensin-converting enzyme inhibitors (ACEi; n= 232); ii) combined therapy including ACEi plus other class agent (Combined; n= 208)...
January 16, 2018: Clinical and Experimental Hypertension: CHE
https://www.readbyqxmd.com/read/29325636/left-atrial-appendage-closure-and-systemic-homeostasis-the-laa-homeostasis-study
#7
Dhanunjaya Lakkireddy, Mohit Turagam, Muhammad Rizwan Afzal, Johnson Rajasingh, Donita Atkins, Buddhadeb Dawn, Luigi Di Biase, Krzysztof Bartus, Saibal Kar, Andrea Natale, David J Holmes
BACKGROUND: The impact of left atrial appendage (LAA) exclusion, comparing an epicardial LAA or an endocardial LAA device, on systemic homeostasis remains unknown. OBJECTIVES: This study compared the effects of epicardial or endocardial LAA devices on the neurohormonal profiles of patients, emphasizing the roles of the renin-angiotensin-aldosterone system and the autonomic nervous system. METHODS: This is a prospective, single-center, observational study including 77 patients who underwent LAA closure by an epicardial (n = 38) or endocardial (n = 39) device...
January 16, 2018: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/29324626/vascular-effects-of-adrenomedullin-and-the-anti-adrenomedullin-antibody-adrecizumab-in-sepsis
#8
Christopher Geven, Andreas Bergmann, Matthijs Kox, Peter Pickkers
Sepsis remains a major scientific and medical challenge, for which, apart from significant refinements in supportive therapy, treatment has barely changed over the last few decades. During sepsis, both vascular tone and vascular integrity are compromised, and contribute to the development of shock. The free circulating peptide adrenomedullin (ADM) is involved in regulation of the endothelial barrier function and tone of blood vessels. Several animal studies have shown that ADM administration improves outcome of sepsis...
January 10, 2018: Shock
https://www.readbyqxmd.com/read/29297391/personalized-physiological-medicine
#9
REVIEW
Can Ince
This paper introduces the concept of personalized physiological medicine that is specifically directed at the needs of the critically ill patient. This differs from the conventional view of personalized medicine, characterized by biomarkers and gene profiling, instead focusing on time-variant changes in the pathophysiology and regulation of various organ systems and their cellular and subcellular constituents. I propose that personalized physiological medicine is composed of four pillars relevant to the critically ill patient...
December 28, 2017: Critical Care: the Official Journal of the Critical Care Forum
https://www.readbyqxmd.com/read/29296053/nonfatal-pulmonary-embolism-associated-with-the-use-of-compression-stockings-in-the-lithotomy-position-after-spinal-anesthesia
#10
I-Wen Chen, Cheuk-Kwan Sun, Jen-Yin Chen, Chien-Ming Lin, Kuo-Chuan Hung
A 73-year-old male (height, 156 cm; body weight, 51 kg), without a history of cardiovascular disease or thromboembolic events, was scheduled for transurethral resection of the prostate under spinal anesthesia. Spinal anesthesia was administered with hyperbaric bupivacaine, resulting in an upper anesthetic level of T6. Before surgery, compression stockings were applied to both lower limbs, and the patient was placed in the lithotomy position. Approximately 15 min later, he complained of intolerable chest tightness, followed by tachycardia (heart rate, 110 beats/min) and desaturation (oxygen saturation [SaO2], 90%)...
October 2017: Ci Ji Yi Xue za Zhi, Tzu-chi Medical Journal
https://www.readbyqxmd.com/read/29295851/proteomic-profiling-for-cardiovascular-biomarker-discovery-in-orthostatic-hypotension
#11
Madeleine Johansson, Fabrizio Ricci, Nay Aung, Richard Sutton, Olle Melander, Artur Fedorowski
Orthostatic hypotension (OH) has been linked with higher incidence of cardiovascular disease, but little is known about the mechanisms behind this association. We aimed to identify cardiovascular disease biomarkers associated with OH through a proteomic profiling approach. Seven hundred seventy-eight patients with unexplained syncope or orthostatic intolerance underwent head-up tilt test and supine blood samples. Of these, 220 met diagnostic criteria of OH, and 179 demonstrated normal hemodynamic response during head-up tilt test...
January 2, 2018: Hypertension
https://www.readbyqxmd.com/read/29284877/intravenous-dexmedetomidine-infusion-compared-with-that-of-fentanyl-in-patients-undergoing-arthroscopic-shoulder-surgery-under-general-anesthesia
#12
Mona Hossam Eldin Abdel Hamid
Background: Anesthesia for arthroscopic shoulder surgery is challenging due to the need for oligaemic surgical field as well as a good postoperative recovery profile. Aim: The present study was prospective, randomized to evaluate the efficacy of dexmdetomidine infusion compared to that of fentanyl in patients undergoing arthroscopic shoulder surgery under general anesthesia. Patients and Methods: A total of 60 patients aged from thirty to fifty years, American Society of Anesthesiologists Class I/II of either sex for arthroscopic shoulder surgery, were included...
October 2017: Anesthesia, Essays and Researches
https://www.readbyqxmd.com/read/29284872/effects-of-dexmedetomidine-on-intraoperative-hemodynamics-and-propofol-requirement-in-patients-undergoing-laparoscopic-cholecystectomy
#13
Avneesh Khare, Satya Prakash Sharma, Mangi Lal Deganwa, Mamta Sharma, Nitesh Gill
Background: Despite multiple benefits, laparoscopic surgery always poses anesthetic challenge due to significant alteration of hemodynamics. Various pharmacological agents have been used for the same with variable response. Dexmedetomidine, in addition to sympatholytic effect, diminishes intraoperative requirement of anesthetics including propofol. The present study was conducted to evaluate the effects of intravenous dexmedetomidine on intraoperative hemodynamics and propofol requirement using bispectral index (BIS) in laparoscopic cholecystectomy...
October 2017: Anesthesia, Essays and Researches
https://www.readbyqxmd.com/read/29284860/effect-of-locally-administered-dexmedetomidine-as-adjuvant-to-levobupivacaine-in-supraclavicular-brachial-plexus-block-double-blind-controlled-study
#14
Bikash Bisui, Swastika Samanta, Sumanta Ghoshmaulik, Amit Banerjee, Tirtha R Ghosh, Suman Sarkar
Context: Brachial plexus block is effective with good postoperative analgesia in upper limb surgery has gained importance as it safe, low cost, and maintains stable hemodynamics intraoperatively. To decrease the onset time and prolong the duration of nerve block bicarbonate, opioids (morphine, fentanyl, etc.), sympathomimetic agents (epinephrine, phenylephrine, etc.), α-2 agonists (clonidine and dexmedetomidine), calcium channel blocker (verapamil), magnesium sulfate, etc., were studied with local anesthetics and their isomers...
October 2017: Anesthesia, Essays and Researches
https://www.readbyqxmd.com/read/29284832/application-of-discharge-criteria-for-home-readiness-using-bispectral-and-supraglottic-airway-devices-in-day-care-surgery-without-using-muscle-relaxants
#15
Joginder Pal Attri, Manjit Singh, Hemchandra Bhatt, Kamal Jyoti, Harjinder Kaur
Introduction: The availability of rapid and short-acting intravenous and volatile anesthetics has facilitated early recovery that is why nowadays ambulatory surgery is becoming more common. If the criteria used to discharge patients from the Postanesthesia Care Unit (PACU) are met in the operating room (OR), it would be appropriate to consider bypassing the PACU and transferring the patient directly to the step-down unit. This process is known as "fast-tracking" after ambulatory surgery...
October 2017: Anesthesia, Essays and Researches
https://www.readbyqxmd.com/read/29283029/express-hemodynamic-profile-of-pulmonary-hypertension-ph-in-ards
#16
George Calcaianu, Mihaela Calcaianu, Anthony Gschwend, Matthieu Canuet, Ferhat Meziani, Romain Kessler
No abstract text is available yet for this article.
January 1, 2017: Pulmonary Circulation
https://www.readbyqxmd.com/read/29282676/surveillance-on-the-safety-and-efficacy-of-ambrisentan-volibris-tablet-2-5-mg-in-patients-with-pulmonary-arterial-hypertension-in-real-clinical-practice-post-marketing-surveillance-interim-analysis-report
#17
Tomohiko Takahashi, Satoru Hayata, Akihiro Kobayashi, Yuna Onaka, Takeshi Ebihara, Terufumi Hara
BACKGROUND AND OBJECTIVE: Pulmonary arterial hypertension (PAH) is an intractable and rare disease and the accumulation of clinical evidence under real-world setting is needed. A post-marketing surveillance for the endothelin receptor antagonist ambrisentan (Volibris tablet) has been conducted by all-case investigation since September 2010. This paper is an interim report on the safety and efficacy of ambrisentan in 702 patients with PAH. METHODS: PAH patients aged 15 years or older were subjected to the analysis...
December 27, 2017: Clinical Drug Investigation
https://www.readbyqxmd.com/read/29280064/macitentan-in-pulmonary-arterial-hypertension-a-focus-on-combination-therapy-in-the-seraphin-trial
#18
REVIEW
Pavel Jansa, Tomás Pulido
SERAPHIN was a double-blind, placebo-controlled, event-driven phase III trial that evaluated the effects of long-term treatment with macitentan, an oral endothelin receptor antagonist, in patients with pulmonary arterial hypertension (PAH). The majority of patients were receiving PAH therapy at enrollment, providing the opportunity to evaluate the efficacy and safety of macitentan in combination with other PAH therapies (predominantly phosphodiesterase type 5 inhibitors [PDE-5i]). In patients receiving background therapy, macitentan reduced the risk of morbidity/mortality by 38% compared with placebo (hazard ratio [HR] 0...
December 26, 2017: American Journal of Cardiovascular Drugs: Drugs, Devices, and Other Interventions
https://www.readbyqxmd.com/read/29276068/what-is-needed-to-make-low-density-lipoprotein-transport-in-human-aorta-computational-models-suitable-to-explore-links-to-atherosclerosis-impact-of-initial-and-inflow-boundary-conditions
#19
Giuseppe De Nisco, Peng Zhang, Karol Calò, Xiao Liu, Raffaele Ponzini, Cristina Bignardi, Giovanna Rizzo, Xiaoyan Deng, Diego Gallo, Umberto Morbiducci
Personalized computational hemodynamics (CH) is a promising tool to clarify/predict the link between low density lipoproteins (LDL) transport in aorta, disturbed shear and atherogenesis. However, CH uses simplifying assumptions that represent sources of uncertainty. In particular, modelling blood-side to wall LDL transfer is challenged by the cumbersomeness of protocols needed to obtain reliable LDL concentration profile estimations. This paucity of data is limiting the establishment of rigorous CH protocols able to balance the trade-offs among the variety of in vivo data to be acquired, and the accuracy required by biological/clinical applications...
December 15, 2017: Journal of Biomechanics
https://www.readbyqxmd.com/read/29249470/heart-rate-as-a-prognostic-marker-and-therapeutic-target-in-acute-and-chronic-heart-failure
#20
Fabrizio Oliva, Paola Sormani, Rachele Contri, Carlo Campana, Valentina Carubelli, Antonio Cirò, Fabrizio Morandi, Giuseppe Di Tano, Andrea Mortara, Michele Senni, Marco Metra, Enrico Ammirati
Since increased heart rate (HR) is associated with higher mortality in several cardiac disorders, HR is considered not only a physiological indicator but also a prognostic and biological marker. In heart failure (HF), it represents a therapeutic target in chronic phase. The use or up-titration of beta-blockers, a milestone in HF with reduced left ventricular ejection fraction (LVEF) treatment, is at times limited by patients' hemodynamic profile or intolerance. Ivabradine, a HR-lowering drug inhibiting the f-current in pacemaker cells, has been shown to improve outcome in patients with chronic HF, in sinus rhythm with increased HR beyond beta-blocker therapy...
February 15, 2018: International Journal of Cardiology
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