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https://www.readbyqxmd.com/read/28636889/complications-of-hematopoietic-stem-transplantation-fungal-infections
#1
REVIEW
Ali S Omrani, Reem S Almaghrabi
Patients undergoing allogeneic hematopoietic stem cell transplantation (HSCT) are at increased risk of invasive fungal infections, especially during the early neutropenic phase and severe graft-versus-host disease. Mold-active prophylaxis should be limited to the highest risk groups. Empiric antifungal therapy for HSCT with persistent febrile neutropenia is associated with unacceptable response rates, unnecessary antifungal therapy, increased risk of toxicity, and inflated costs. Empiric therapy should not be a substitute for detailed work up to identify the cause of fever in such patients...
June 13, 2017: Hematology/oncology and Stem Cell Therapy
https://www.readbyqxmd.com/read/28636165/a-feasibility-and-safety-study-of-intracoronary-hemodilution-during-primary-coronary-angioplasty-in-order-to-reduce-reperfusion-injury-in-myocardial-infarction
#2
Michael McGarvey, Omar Ali, M Bilal Iqbal, Charles Ilsley, Joyce Wong, Carlo Di Mario, Simon Redwood, Tiffany Patterson, Dudley J Pennell, Paula Rogers, Miles Dalby
OBJECTIVES: We designed a pilot study to evaluate safety and feasibility of an inexpensive and simple approach to intracoronary hemodilution during primary angioplasty (PPCI) to reduce reperfusion injury. INTRODUCTION: Early revascularization in acute myocardial infarction decreases infarct size and improves outcomes. However, abrupt restoration of coronary flow results in myocardial reperfusion injury and increased final infarct size. Dilution of coronary blood during revascularization may help reduce this damage...
June 21, 2017: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/28634780/echocardiographic-inferior-vena-cava-measurement-as-an-alternative-to-central-venous-pressure-measurement-in-neonates
#3
Muzamil Mustafa Mugloo, Seema Malik, Rubeena Akhtar
OBJECTIVES: To evaluate the correlation between echocardiographic inferior vena cava (IVC) measurements and central venous pressure (CVP) in neonates. Also, to evaluate the correlation between IVC measurements and gestational age (GA) and body weight (BW). METHODS: This cross sectional analytical study was conducted from June 2014 through June 2016 in a level III NICU. All neonates requiring intensive hemodynamic monitoring and having umbilical venous catheter (UVC) in place for clinical indications were enrolled in the study...
June 21, 2017: Indian Journal of Pediatrics
https://www.readbyqxmd.com/read/28631765/-noninvasive-ventilation-and-sedation-evidence-and-practical-tools-for-its-utilization
#4
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/28631103/transesophageal-echocardiography-in-orthotopic-liver-transplantation-a-comprehensive-intraoperative-monitoring-tool
#5
REVIEW
Luigi Vetrugno, Federico Barbariol, Umberto Baccarani, Francesco Forfori, Giovanni Volpicelli, Giorgio Della Rocca
Intraoperative transesophageal echocardiography is a minimally invasive monitoring tool that can provide real-time visual information on ventricular function and hemodynamic volume status in patients undergoing liver transplantation. The American Association for the Study of Liver Diseases states that transesophageal echocardiography should be used in all liver transplant candidates in order to assess chamber sizes, hypertrophy, systolic and diastolic function, valvular function, and left ventricle outflow tract obstruction...
December 2017: Critical Ultrasound Journal
https://www.readbyqxmd.com/read/28631050/analgesia-nociception-index-ani-monitoring-in-patients-with-thoracic-paravertebral-block-a-randomized-controlled-study
#6
Nurseda Dundar, Alparslan Kus, Yavuz Gurkan, Kamil Toker, Mine Solak
The goal of the study was to evaluate the effectiveness of analgesia nociception index (ANI) monitoring during intraoperative period for patients with thoracic paravertebral block (TPVB) undergoing breast surgery under general anesthesia. This prospective randomized trial was performed after receiving ethics committee approval in 44 patients who were scheduled to undergo breast surgery under general anesthesia. TPVB was performed in the preoperative period using 20 mL of bupivacaine 0.25% at T4 level. Anesthesia maintenance was provided with sevoflurane in O2: air mixture and remifentanil infusion...
June 19, 2017: Journal of Clinical Monitoring and Computing
https://www.readbyqxmd.com/read/28625256/-comparison-of-effect-of-norepinephrine-and-terlipressin-on-patients-with-ards-combined-with-septic-shock-a-prospective-single-blind-randomized-controlled-trial
#7
Zhi Chen, Ping Zhou, Yuanhua Lu, Chunli Yang
OBJECTIVE: To approach the effect of different vasopressor on hemodynamics, volume responsiveness, fluid volume balance, renal function and prognosis in patients with acute respiratory distress syndrome (ARDS) complicated with septic shock. METHODS: A prospective single-blind randomized controlled trial was conducted. ARDS patients with septic shock admitted to the Department of Critical Care Medicine of Jiangxi Provincial People's Hospital from January 1st, 2015 to May 1st, 2016 were enrolled...
February 2017: Zhonghua Wei Zhong Bing Ji Jiu Yi Xue
https://www.readbyqxmd.com/read/28625248/-core-knowledge-and-skill-based-approach-to-subspecialty-construction-in-critical-intensive-care-medicine-with-distinct-chinese-peculiarity
#8
Lijun Wang, Fang Tian
With the rapid development of critical care medicine (CCM) in China, there are increases in the number of intensive care units (ICUs), the scale of one center ICU and the team. Subspecialty construction of CCM is of great concerns for personnel training as well as discipline development, and is currently one of the urgent problems that need to be resolved. Experience of CCM subspecialty construction from Europe and the United States is lacking and it is necessary to propose some opinions on innovation to construct CCM subspecialties with Chinese characteristics...
June 2017: Zhonghua Wei Zhong Bing Ji Jiu Yi Xue
https://www.readbyqxmd.com/read/28614793/a-single-dose-of-cannabidiol-reduces-blood-pressure-in-healthy-volunteers-in-a-randomized-crossover-study
#9
Khalid A Jadoon, Garry D Tan, Saoirse E O'Sullivan
BACKGROUND: Cannabidiol (CBD) is a nonpsychoactive phytocannabinoid used in multiple sclerosis and intractable epilepsies. Preclinical studies show CBD has numerous cardiovascular benefits, including a reduced blood pressure (BP) response to stress. The aim of this study was to investigate if CBD reduces BP in humans. METHODS: Nine healthy male volunteers were given 600 mg of CBD or placebo in a randomized, placebo-controlled, double-blind, crossover study. Cardiovascular parameters were monitored using a finometer and laser Doppler...
June 15, 2017: JCI Insight
https://www.readbyqxmd.com/read/28614095/the-value-of-dynamic-preload-variables-during-spontaneous-ventilation
#10
Azriel Perel
PURPOSE OF REVIEW: To discuss the physiological significance and clinical value of dynamic preload variables in spontaneously breathing patients. RECENT FINDINGS: Dynamic preload variables reflect the response of the cardiac output to a modification of preload and can therefore be used to assess fluid responsiveness. Continuous dynamic parameters that are calculated from the variations in the arterial and plethysmographic waveforms following a mechanical breath have been shown to predict fluid responsiveness much better than static preload parameters...
June 12, 2017: Current Opinion in Critical Care
https://www.readbyqxmd.com/read/28612302/a-simplified-lung-ultrasound-approach-to-detect-increased-extravascular-lung-water-in-critically-ill-patients
#11
Antonio Anile, Jole Russo, Giacomo Castiglione, Giovanni Volpicelli
BACKGROUND: The quantification of B-lines at lung ultrasonography is a valid tool to estimate the extravascular lung water (EVLW) in patients after major cardiac surgery. However, there is still uncertainty about the correlation between B-lines and EVLW in a general population of critically ill. AIM: To evaluate a simplified lung ultrasonographic assessment as a tool to estimate the EVLW in critically ill patients admitted to a polyvalent intensive care unit (ICU)...
December 2017: Critical Ultrasound Journal
https://www.readbyqxmd.com/read/28611850/use-of-the-kalman-filter-for-aortic-pressure-waveform-noise-reduction
#12
Frank Lam, Hsiang-Wei Lu, Chung-Che Wu, Zekeriya Aliyazicioglu, James S Kang
Clinical applications that require extraction and interpretation of physiological signals or waveforms are susceptible to corruption by noise or artifacts. Real-time hemodynamic monitoring systems are important for clinicians to assess the hemodynamic stability of surgical or intensive care patients by interpreting hemodynamic parameters generated by an analysis of aortic blood pressure (ABP) waveform measurements. Since hemodynamic parameter estimation algorithms often detect events and features from measured ABP waveforms to generate hemodynamic parameters, noise and artifacts integrated into ABP waveforms can severely distort the interpretation of hemodynamic parameters by hemodynamic algorithms...
2017: Computational and Mathematical Methods in Medicine
https://www.readbyqxmd.com/read/28607340/perioperative-hemodynamic-optimization-based-on-a-totally-non-invasive-monitoring-device-waiting-for-more-convincing-evidence
#13
Agostino Roasio
No abstract text is available yet for this article.
June 12, 2017: Minerva Anestesiologica
https://www.readbyqxmd.com/read/28604786/tinnitus-alters-resting-state-functional-connectivity-rsfc-in-human-auditory-and-non-auditory-brain-regions-as-measured-by-functional-near-infrared-spectroscopy-fnirs
#14
Juan San Juan, Xiao-Su Hu, Mohamad Issa, Silvia Bisconti, Ioulia Kovelman, Paul Kileny, Gregory Basura
Tinnitus, or phantom sound perception, leads to increased spontaneous neural firing rates and enhanced synchrony in central auditory circuits in animal models. These putative physiologic correlates of tinnitus to date have not been well translated in the brain of the human tinnitus sufferer. Using functional near-infrared spectroscopy (fNIRS) we recently showed that tinnitus in humans leads to maintained hemodynamic activity in auditory and adjacent, non-auditory cortices. Here we used fNIRS technology to investigate changes in resting state functional connectivity between human auditory and non-auditory brain regions in normal-hearing, bilateral subjective tinnitus and controls before and after auditory stimulation...
2017: PloS One
https://www.readbyqxmd.com/read/28604571/hvad-waveform-analysis-as-a-noninvasive-marker-of-pulmonary-capillary-wedge-pressure-a-first-step-toward-the-development-of-a-smart-left-ventricular-assist-device-pump
#15
Jonathan Grinstein, Daniel Rodgers, Sara Kalantari, Gabriel Sayer, Gene H Kim, Nitasha Sarswat, Sirtaz Adatya, Takeyoshi Ota, Valluvan Jeevanandam, Daniel Burkhoff, Nir Uriel
Flow waveforms are an important feature of the HVAD left ventricular assist device (LVAD) that provides information about HVAD function and patient hemodynamics. We assessed the properties of one specific aspect of the waveform, the slope of the ventricular filling phase (VFP), and its correlation with pulmonary capillary wedge pressure (PCWP). A total of 101 screenshots from the HVAD monitor and simultaneous hemodynamic measurements were obtained simultaneously during sequential stages of invasive hemodynamic ramp studies...
June 7, 2017: ASAIO Journal: a Peer-reviewed Journal of the American Society for Artificial Internal Organs
https://www.readbyqxmd.com/read/28603000/validation-of-a-defibrillation-lead-ventricular-volume-measurement-compared-to-3d-echocardiography
#16
David E Haines, Wilson Wong, Robert Canby, Coty Jewell, Mahmoud Houmsse, David Pederson, Lissa Sugeng, John Porterfield, Anil Kottam, John Pearce, Jon Valvano, Joel Michalek, Aron Trevino, Sandeep Sagar, Marc D Feldman
BACKGROUND: There is increasing evidence that using frequent invasive measures of pressure in heart failure patients results in improved outcomes compared to traditional measures. Admittance, a measure of volume derived from pre-existing defibrillation leads is proposed as a new technique to monitor cardiac hemodynamics in patients with implantable defibrillators. OBJECTIVES: The goal of this work was to evaluate the accuracy of a new ventricular volume sensor (VVS, CardioVol), compared with 3D Echocardiography (echo) in patients with implantable defibrillators...
June 8, 2017: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/28601366/peri-apneic-hemodynamic-reactions-in-obstructive-sleep-apnea
#17
Anu Muraja-Murro, Outi Nieminen, Petro Julkunen, Juha Töyräs, Tomi Laitinen, Esa Mervaala
Obstructive sleep apnea (OSA) increases cardiovascular morbidity and mortality. Little is known on acute peri-apneic hemodynamic alterations due to apneas. We assessed these rapid changes and how duration of apnea might contribute to them. Eight patients with severe OSA were studied with polysomnography including continuous blood pressure monitoring. Peri-apneic hemodynamic alterations, heart rate, blood pressure, stroke volume, cardiac output and peripheral resistance, were assessed in short (<20s) and long (>27s) apneas...
May 31, 2017: Pathophysiology: the Official Journal of the International Society for Pathophysiology
https://www.readbyqxmd.com/read/28600090/hemodynamics-of-cardiogenic-shock
#18
REVIEW
Ariel Furer, Jeffrey Wessler, Daniel Burkhoff
Cardiogenic shock (CS) represents an advanced state of morbidity along the pathophysiologic pathway of end-organ hypoperfusion caused by reduced cardiac output and blood pressure. Acute coronary syndromes remain the most common cause of CS. The spectrum of hypoperfusion states caused by low cardiac output ranges from pre-CS to refractory CS and can be characterized by an array of hemodynamic parameters. This review provides the foundation for a hemodynamic understanding of CS including the use of hemodynamic monitoring for diagnosis and treatment, the cardiac and vascular determinants of CS, and a hemodynamic approach to risk stratification and management of CS...
July 2017: Interventional cardiology clinics
https://www.readbyqxmd.com/read/28600020/trans-ulnar-recanalization-of-a-chronic-radial-artery-occlusion
#19
Orazio Valsecchi, Matteo Nardin, Angelina Vassileva, Chiara Bernelli
Trans-ulnar access is a viable alternative approach by experienced operators when the radial and femoral arteries cannot be accessed or used to preserve the contralateral radial artery as possible vascular graft for coronary bypass surgery, hemodynamic monitoring, or shunt creation for hemodialysis. We report a challenging case of ipsilateral trans-ulnar recanalization of a chronic radial artery occlusion, which allowed us to perform a complex trans-ulnar PCI.
April 23, 2017: Cardiovascular Revascularization Medicine: Including Molecular Interventions
https://www.readbyqxmd.com/read/28599629/dose-dependent-effects-of-intravenous-methoxamine-infusion-during-hip-joint-replacement-surgery-on-postoperative-cognitive-dysfunction-and-blood-tnf-%C3%AE-level-in-elderly-patients-a-randomized-controlled-trial
#20
Shenghui Sun, Defeng Sun, Lin Yang, Jun Han, Ruochuan Liu, Lijie Wang
BACKGROUND: Postoperative cognitive dysfunction (POCD), common in elderly patients, is thought to be closely associated with intraoperative instability of hemodynamics and excessive excretion of tumor necrosis factor-α (TNF-α). Methoxamine is a blood-pressure increasing drug commonly used for maintaining intraoperative hemodynamics. Methoxamine potentially promotes TNF-α expression, leading to an increased risk of POCD. This study aimed to investigate the dose-dependent effect of methoxamine on the incidence of early POCD and blood TNF-α level...
June 9, 2017: BMC Anesthesiology
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