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Invasive Arterial Blood Pressure Monitoring

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https://www.readbyqxmd.com/read/28428520/-prevention-of-spinal-cord-ischemia-during-thoracic-endovascular-aortic-repair
#1
Shinya Takahashi, Taijiro Sueda
Spinal cord ischemia(SCI) has been devastating complication of endovascular thoracic and thoracoabdominal aortic repair. Spinal cord blood supply arises from not only segmental artery, subclavian artery, hypogastric artery and these branches, but also perivertebral vasculature and paravertebral muscle and small arterial network, and risk factors of SCI were multifactorial. There are several adjuncts/strategies which are utilized to minimize the incidence of SCI: cerebrospinal fluid drainage, perioperative management of high mean arterial pressure, intraoperative evoked potential monitoring, and staged thoracoabdominal aortic repair...
April 2017: Kyobu Geka. the Japanese Journal of Thoracic Surgery
https://www.readbyqxmd.com/read/28402021/validation-of-non-invasive-haemodynamic-methods-in-patients-with-liver-disease-the-finometer-and-the-task-force-monitor
#2
Jane M Brittain, Troels M Busk, Søren Møller
Patients with advanced cirrhosis often present a hyperdynamic circulation characterized by a decrease in systolic and diastolic blood pressure (SBP and DBP), and an increase in heart rate (HR) and cardiac output (CO). Accurate assessment of the altered circulation can be performed invasively; however, due to the disadvantages of this approach, non-invasive methods are warranted. The purpose of this study was to compare continuous non-invasive measurements of haemodynamic variables by the Finometer and the Task Force Monitor with simultaneous invasive measurements...
April 12, 2017: Clinical Physiology and Functional Imaging
https://www.readbyqxmd.com/read/28379881/comparison-of-noninvasive-blood-pressure-monitoring-with-invasive-arterial-pressure-monitoring-in-medical-icu-patients-with-septic-shock
#3
Leonard E Riley, Guoqing John Chen, Heath E Latham
OBJECTIVE: In the critically ill, the insertion of peripheral arterial catheters to monitor hemodynamics is a low-risk procedure, but carries the potential for complications. This study was designed to compare invasive and noninvasive blood pressure measurements in patients with septic shock in a medical ICU. PATIENTS AND METHODS: We carried out a prospective observational study of patients admitted with septic shock and a radially inserted peripheral arterial catheter in the medical ICU with 31 adult patients who underwent four pairs of simultaneous noninvasive and invasive blood pressure measurements (124 comparisons), with the invasive blood pressure taken as the gold standard...
April 4, 2017: Blood Pressure Monitoring
https://www.readbyqxmd.com/read/28373639/assessment-of-volumetric-hemodynamic-parameters-and-body-composition-in-stable-renal-transplant-recipients
#4
Łukasz Czyżewski, Janusz Wyzgał, Emilia Czyżewska, Joanna Sańko-Resmer, Łukasz Szarpak
BACKGROUND Cardiovascular disease (CVD) has been associated with decreased graft survival and increased complications in renal transplant recipients (RTRs). The objectives of this study were to explore the relationship between body composition and hemodynamic parameters (cardiac index [CI] and systemic vascular resistance index [SVRI]) in RTRs. MATERIAL AND METHODS The study included 80 RTRs (mean age: 51±8 yrs) who had been admitted to our Nephrology and Transplantology Clinic at 0.5 to 28 years after KTx...
April 4, 2017: Annals of Transplantation: Quarterly of the Polish Transplantation Society
https://www.readbyqxmd.com/read/28366285/a-review-of-hemodynamic-monitoring-techniques-methods-and-devices-for-the-emergency-physician
#5
Abdullah E Laher, Matthew J Watermeyer, Sean K Buchanan, Nicole Dippenaar, Nelly Clotilde Tchouambou Simo, Feroza Motara, Muhammed Moolla
The emergency department (ED) is frequently the doorway to the intensive care unit (ICU) for a significant number of critically ill patients presenting to the hospital. Hemodynamic monitoring (HDM) which is a key component in the effective management of the critically ill patient presenting to the ED, is primarily concerned with assessing the performance of the cardiovascular system and determining the correct therapeutic intervention to optimise end-organ oxygen delivery. The spectrum of hemodynamic monitoring ranges from simple clinical assessment and routine bedside monitoring to point of care ultrasonography and various invasive monitoring devices...
March 18, 2017: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28327093/continuous-non-invasive-finger-cuff-caretaker%C3%A2-comparable-to-invasive-intra-arterial-pressure-in-patients-undergoing-major-intra-abdominal-surgery
#6
Irwin Gratz, Edward Deal, Francis Spitz, Martin Baruch, I Elaine Allen, Julia E Seaman, Erin Pukenas, Smith Jean
BACKGROUND: Despite increased interest in non-invasive arterial pressure monitoring, the majority of commercially available technologies have failed to satisfy the limits established for the validation of automatic arterial pressure monitoring by the Association for the Advancement of Medical Instrumentation (AAMI). According to the ANSI/AAMI/ISO 81060-2:2013 standards, the group-average accuracy and precision are defined as acceptable if bias is not greater than 5 mmHg and standard deviation is not greater than 8 mmHg...
March 21, 2017: BMC Anesthesiology
https://www.readbyqxmd.com/read/28298779/accuracy-in-blood-pressure-monitoring-the-effect-of-noninvasive-blood-pressure-cuff-inflation-on-intra-arterial-blood-pressure-values
#7
Veena Sheshadri, Akhilesh Kumar Tiwari, Mahesh Nagappa, Lashmi Venkatraghavan
CONTEXT: Both invasive and noninvasive blood pressure (invasive arterial blood pressure [IABP] and noninvasive BP [NIBP]) monitors are used perioperatively; however, they often produce different values. The reason for this discrepancy is not clear, and it is possible that the act of cuff inflation itself might affect the IABP values, especially with the recurrent cycling of NIBP cuff. AIM: The aim of this study was to determine the effect of ipsilateral NIBP cuff inflation on the contralateral IABP values...
January 2017: Anesthesia, Essays and Researches
https://www.readbyqxmd.com/read/28268404/a-temperature-controlled-glove-with-non-invasive-arterial-pulse-sensing-for-active-neuro-vascular-assessment
#8
Andrew M Carek, Omer T Inan
A non-invasive, active neuro-vascular assessment system was developed using a modified temperature-controlled glove and feedback techniques. The glove incorporates local heating and cooling of the hand using multi-point skin temperature measurements as feedback, and thereby induces local and central mechanisms involved in thermoregulation. Electrocardiogram (ECG), photoplethysmogram (PPG) and non-invasive finger-cuff based blood pressure (BP) measurements were used to monitor electrophysiology and hemodynamic changes in response to temperature modulation...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28246618/effect-of-intravenous-ketorolac-on-postoperative-pain-in-mandibular-fracture-surgery-a-randomized-double-blind-placebo-controlled-trial
#9
Hamid Reza Eftekharian, Homa Ilkhani Pak
OBJECTIVE: To evaluate the effects of intravenous ketorolac on early postoperative pain in patients with mandibular fractures, who underwent surgical repair. METHODS: This prospective, randomized, placebo-controlled clinical trial was conducted in Shahid Rajaei Hospital, affiliated with Shiraz University of Medical Sciences during a 1-year period from 2015 to 2016. We included a total number of 50 patients with traumatic mandibular fractures who underwent surgical repair...
January 2017: Bulletin of Emergency and Trauma
https://www.readbyqxmd.com/read/28238244/nt-probnp-as-a-potential-marker-of-left-atrial-dysfunction-in-rheumatic-mitral-stenosis-correlation-with-left-atrial-function-after-pbmv
#10
Rashi Khare, Sudhanshu Dwivedi
BACKGROUND: Rheumatic heart disease is a common reason for cardiovascular morbidity and mortality. Plasma levels of N-terminal pro-brain natriuretic peptide (NT-proBNP) are known to rise in patients with MS, but the role of this compound as a non-invasive marker of left atrial (LA) dysfunction is yet to be established. The study aim was to correlate levels of NT-proBNP in patients with rheumatic mitral stenosis (MS), with echocardiographic parameters of LA function including tissue Doppler-derived strain/strain rate (S/Sr) indices, hemodynamic parameters of LA function, before and after percutaneous balloon mitral valvotomy (PBMV) for a follow up of one year...
September 2016: Journal of Heart Valve Disease
https://www.readbyqxmd.com/read/28230036/single-lumen-tracheal-ventilation-for-minimally-invasive-esophagectomy-in-patients-with-esophageal-cancer
#11
Yu Bai, Yi Zhou, Xi Hua Lu
OBJECTIVE: The aim of this study was to observe the efficacy and safety of single-lumen tracheal ventilation for esophageal cancer surgery. METHODS: Thirty-eight patients with esophageal carcinoma who prepared for minimally invasive esophagectomy were included in this study. All of the included 38 patients were received single-lumen tracheal ventilation. The arterial blood gas index was monitored through the operation procedure and recorded at four-time points: before induction (T0), at the end of chest operation (T1), at the end of the abdominal operation (T2), and 30 min after extubation (T3)...
December 2016: Journal of Cancer Research and Therapeutics
https://www.readbyqxmd.com/read/28226574/a-temperature-controlled-glove-with-non-invasive-arterial-pulse-sensing-for-active-neuro-vascular-assessment
#12
Andrew M Carek, Omer T Inan, Andrew M Carek, Omer T Inan, Andrew M Carek, Omer T Inan
A non-invasive, active neuro-vascular assessment system was developed using a modified temperature-controlled glove and feedback techniques. The glove incorporates local heating and cooling of the hand using multi-point skin temperature measurements as feedback, and thereby induces local and central mechanisms involved in thermoregulation. Electrocardiogram (ECG), photoplethysmogram (PPG) and non-invasive finger-cuff based blood pressure (BP) measurements were used to monitor electrophysiology and hemodynamic changes in response to temperature modulation...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28198822/pitfalls-of-invasive-blood-pressure-monitoring-using-the-caudal-ventral-artery-in-rats
#13
Hiroki Ohta, Takao Ohki, Yuji Kanaoka, Makoto Koizumi, Hirotaka J Okano
During rodent experiments, the caudal ventral artery (CVA) is useful for blood pressure (BP) measurement. However, CVA measurements may not reflect the true BP. This study was performed to verify the site-specific accuracy of invasive arterial BP monitoring during surgery in rats. Invasive arterial BP was simultaneously measured in rats via the CVA and the common carotid artery (CCA). The BP values were analysed while the rats were subjected to cooling of the head or tail. Additionally, the rats underwent digital subtraction angiography and histological examination of these arteries...
February 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28198552/cortical-spreading-depolarizations-in-the-postresuscitation-period-in-a-cardiac-arrest-male-rat-model
#14
Frederik Boe Hansen, Niels Secher, Morten Skovgaard Jensen, Leif Østergaard, Else Tønnesen, Asger Granfeldt
Neurological injury develops over days following cardiac arrest (CA); however, the exact mechanisms remain unknown. After stroke or trauma, the progression of neurological injury is associated with cortical-spreading depolarizations (CSDs). The objective was to investigate whether CA and subsequent resuscitation in rats are associated with 1) the development of spontaneous negative direct current (DC) shifts indicative of CSDs, and 2) changes in artificially induced CSDs in the postresuscitation period. Male Sprague-Dawley rats were randomized into four groups: 1) CA 90, 2) Control 90, 3) CA 360, and 4) Control 360...
February 15, 2017: Journal of Neuroscience Research
https://www.readbyqxmd.com/read/28158980/early-exposure-to-hyperoxia-and-mortality-in-critically-ill-patients-with-severe-traumatic-injuries
#15
Derek W Russell, David R Janz, William L Emerson, Addison K May, Gordon R Bernard, Zhiguo Zhao, Tatsuki Koyama, Lorraine B Ware
BACKGROUND: Hyperoxia is common early in the course of resuscitation of critically ill patients. It has been associated with mortality in some, but not all, studies of cardiac arrest patients and other critically ill cohorts. Reasons for the inconsistency are unclear and may depend on unmeasured patient confounders, the timing and duration of hyperoxia, population characteristics, or the way that hyperoxia is defined and measured. We sought to determine whether, in a prospectively collected cohort of mechanically ventilated patients with traumatic injuries with and without head trauma, higher maximum partial pressure of arterial oxygen (PaO2) within 24 hours of admission would be associated with increased risk of in-hospital mortality...
February 3, 2017: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/28155695/association-of-simultaneously-measured-four-limb-blood-pressures-with-cardiovascular-function-a-cross-sectional-study
#16
Xiaorui Song, Gaoyang Li, Aike Qiao, Zhihui Chen
BACKGROUND: Simultaneous measurement of four-limb blood pressures can improve the accuracy of cardiovascular disease diagnosis. This study aims to investigate the association of simultaneously measured four-limb blood pressures with cardiovascular function as the non-invasive diagnostic method of cardiovascular disease in primary care. METHODS: 229 subjects (62 males, mean age, 63.50 ± 11.13 years; 167 females, mean age, 59.47 ± 7.33 years) were enrolled...
December 28, 2016: Biomedical Engineering Online
https://www.readbyqxmd.com/read/28144579/microvascular-response-to-transfusion-in-elective-spine-surgery
#17
J Matthias Walz, Ottokar Stundner, Federico P Girardi, Bruce A Barton, Aimee R Koll-Desrosiers, Stephen O Heard, Stavros G Memtsoudis
AIM: To investigate the microvascular (skeletal muscle tissue oxygenation; SmO2) response to transfusion in patients undergoing elective complex spine surgery. METHODS: After IRB approval and written informed consent, 20 patients aged 18 to 85 years of age undergoing > 3 level anterior and posterior spine fusion surgery were enrolled in the study. Patients were followed throughout the operative procedure, and for 12 h postoperatively. In addition to standard American Society of Anesthesiologists monitors, invasive measurements including central venous pressure, continual analysis of stroke volume (SV), cardiac output (CO), cardiac index (CI), and stroke volume variability (SVV) was performed...
January 18, 2017: World Journal of Orthopedics
https://www.readbyqxmd.com/read/28138898/short-term-changes-in-cardiovascular-hemodynamics-in-response-to-bariatric-surgery-and-weight-loss-using-the-nexfin%C3%A2-non-invasive-continuous-monitoring-device-a-pilot-study
#18
Sjaak Pouwels, Bianca Lascaris, Simon W Nienhuijs, Arthur R Bouwman, Marc P Buise
BACKGROUND: Compared to healthy individuals, obese have significantly higher systolic and diastolic blood pressure, mean arterial pressure, heart rate, and cardiac output. The aim of this study was to evaluate cardiovascular hemodynamic changes before and 3 months after bariatric surgery. METHODS: Patients scheduled for bariatric surgery between the 29th of September 2016 and 24th of March 2016 were included and compared with 24 healthy individuals. Hemodynamic measurements were performed preoperatively and 3 months after surgery, using the Nexfin® non-invasive continuous hemodynamic monitoring device (Edwards Lifesciences/BMEYE B...
January 30, 2017: Obesity Surgery
https://www.readbyqxmd.com/read/28113793/continuous-blood-pressure-measurement-from-invasive-to-unobtrusive-celebration-of-200th-birth-anniversary-of-carl-ludwig
#19
Xiao-Rong Ding, Ni Zhao, Guang-Zhong Yang, Roderic Pettigrew, Benny Lo, Fen Miao, Ye Li, Jing Liu, Yuan-Ting Zhang
The year 2016 marks the 200th birth anniversary of Carl Friedrich Wilhelm Ludwig (1816-1895). As one of the most remarkable scientists, Ludwig invented the kymograph, which for the first time enabled the recording of continuous blood pressure (BP), opening the door to the modern study of physiology. Almost a century later, intra-arterial BP monitoring through an arterial line has been used clinically. Subsequently, arterial tonometry and volume clamp method were developed and applied in continuous BP measurement in a noninvasive way...
October 25, 2016: IEEE Journal of Biomedical and Health Informatics
https://www.readbyqxmd.com/read/28113184/continuous-blood-pressure-measurement-from-invasive-to-unobtrusive-celebration-of-200th-birth-anniversary-of-carl-ludwig
#20
Xiao-Rong Ding, Ni Zhao, Guang-Zhong Yang, Roderic I Pettigrew, Benny Lo, Fen Miao, Ye Li, Jing Liu, Yuan-Ting Zhang
The year 2016 marks the 200th birth anniversary of Carl Friedrich Wilhelm Ludwig (1816-1895). As one of the most remarkable scientists, Ludwig invented the kymograph, which for the first time enabled the recording of continuous blood pressure (BP), opening the door to the modern study of physiology. Almost a century later, intraarterial BP monitoring through an arterial line has been used clinically. Subsequently, arterial tonometry and volume clamp method were developed and applied in continuous BP measurement in a noninvasive way...
November 2016: IEEE Journal of Biomedical and Health Informatics
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