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https://www.readbyqxmd.com/read/28344616/the-impact-of-a-single-episode-of-remote-ischemic-preconditioning-on-myocardial-injury-after-elective-percutaneous-coronary-intervention
#1
Mustafa A Yılmaztepe, Gökay Taylan, Meryem Aktoz, Hanefi Y Gürlertop, Yüksel Aksoy, Fatih Özçelik, Kenan Yalta, Galip Ekuklu
INTRODUCTION: Myocardial injury after percutaneous coronary intervention (PCI) occurs in approximately 30% of procedures, and is related to worse prognosis. Effects of remote ischemic preconditioning (RIPC) on reperfusion injury have been investigated before, yielding conflicting results. AIM: To assess the impact of a single episode of RIPC on myocardial injury after elective PCI. MATERIAL AND METHODS: One hundred and four patients undergoing elective PCI, with normal baseline cardiac troponin-I (cTn-I) values, were randomized to two groups...
2017: Postępy W Kardiologii Interwencyjnej, Advances in Interventional Cardiology
https://www.readbyqxmd.com/read/28344100/facilitated-pro-nociceptive-pain-mechanisms-in-radiating-back-pain-compared-with-localized-back-pain
#2
Henrik Bjarke Vaegter, Thorvaldur Skuli Palsson, Thomas Graven-Nielsen
Facilitated pain mechanisms and impaired pain inhibition are often found in chronic pain patients. This study compared clinical pain profiles, pain sensitivity, as well as pro-nociceptive and anti-nociceptive mechanisms in patients with localized low back pain (n=18), localized neck pain (n=17), low back and radiating leg pain (n=18), or neck and radiating arm pain (n=17). It was hypothesized that patients with radiating pain had facilitated pain mechanisms and impaired pain inhibition compared with localized pain patients...
March 23, 2017: Journal of Pain: Official Journal of the American Pain Society
https://www.readbyqxmd.com/read/28342858/aqueous-extract-from-leaf-of-artocarpus-altilis-provides-cardio-protection-from-isoproterenol-induced-myocardial-damage-in-rats-negative-chronotropic-and-inotropic-effects
#3
Chukwuemeka Nwokocha, Javier Palacios, Mario J Simirgiotis, Jemesha Thomas, Magdalene Nwokocha, Lauriann Young, Rory Thompson, Fredi Cifuentes, Adrian Paredes, Rupika Delgoda
ETHNOPHARMACOLOGICAL RELEVANCE: The leaves of Artocarpus altilis (Parkinson ex F.A.Zorn, Fosberg) (Moraceae) are used in the management of hypertension; this study assessed the cardio-protective effects of the leaf extract on isoproterenol (ISO) induced myocardial damage in rats. MATERIAL AND METHODS: Twenty (20) adult male Sprague-Dawley rats (175-230g) were divided into 5 groups. Group 1 (Control), 2 (AA) received 50mg/Kg Artocarpus altilis (AA) only; 3 (ISO) received 85mg/Kg ISO only; 4 (ISO+AA/50) and 5 (ISO+AA/100) received 50 and 100mg/Kg AA respectively for 6 days, after induced with ISO twice (85mg/Kg) at a 24-hour period...
March 22, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28336019/endotracheal-cuff-pressure-changes-during-helicopter-transport-a-systematic-review
#4
Ashleigh J Delorenzo, Matthew Shepherd, Paul A Jennings
OBJECTIVE: Cuff pressures are important in ventilated patients undergoing helicopter transport. An altitude-related increase in endotracheal tube (ETT) intracuff pressure has been shown in simulated hypobaric environments, model tracheas, and animal studies and may not accurately reflect in vivo pressures. The aim of this study was to determine if ETT intracuff pressure increases above the critical perfusion pressure of the trachea in ventilated patients during helicopter transport. METHODS: Ovid Medline, CINAHL, Embase, Scopus, and the Cochrane Library were searched from their commencement to January 29, 2016...
March 2017: Air Medical Journal
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
#5
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/28325023/an-affordable-cuff-less-blood-pressure-estimation-solution
#6
Monika Jain, Niranjan Kumar, Sujay Deb
This paper presents a cuff-less hypertension pre-screening device that non-invasively monitors the Blood Pressure (BP) and Heart Rate (HR) continuously. The proposed device simultaneously records two clinically significant and highly correlated biomedical signals, viz., Electrocardiogram (ECG) and Photoplethysmogram (PPG). The device provides a common data acquisition platform that can interface with PC/laptop, Smart phone/tablet and Raspberry-pi etc. The hardware stores and processes the recorded ECG and PPG in order to extract the real-time BP and HR using kernel regression approach...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28324936/a-preliminary-study-on-multi-wavelength-ppg-based-pulse-transit-time-detection-for-cuffless-blood-pressure-measurement
#7
Jing Liu, Yuan-Ting Zhang, Xiao-Rong Ding, Wen-Xuan Dai, Ni Zhao
Pulse transit time (PTT) has been widely studied as an index of blood pressure (BP) changes. In recent years, some prototypes of PTT-based wearable BP measurement devices have been developed, which can relieve users from the discomfort caused by the inflating cuff used in auscultatory and oscillometric BP measurement techniques. However, in the common practice for PTT detection, multi-site sensor implementation on human body is required, making it difficult for the integration of wearable devices. Since multi-wavelength (MW) photoplethysmogram (PPG) signals carry blood pulsation information of different blood vessels embedded in different skin depths, the time difference between different wavelength PPG signals collected at the same body site can be treated as a special PTT on a short length of blood vessels beneath the skin...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28320895/peripheral-venous-congestion-causes-time-and-dose-dependent-release-of-endothelin-1-in-humans
#8
Jeffrey Lin, Neelesh Chudasama, Yacki Hayashi, Christopher Hawk, Sahadeo D Ramnauth, Ka Yuk Wong, Ante Harxhi, Duygu Onat, Michiyori Wakabayashi, Nir Uriel, Ulrich P Jorde, Thierry H LeJemtel, Hani N Sabbah, Ryan T Demmer, Paolo C Colombo
Endothelin-1 (ET-1) is a pivotal mediator of vasoconstriction and inflammation in congestive states such as heart failure (HF) and chronic kidney disease (CKD). Whether peripheral venous congestion (VC) increases plasma ET-1 at pressures commonly seen in HF and CKD patients is unknown. We seek to characterize whether peripheral VC promotes time- and dose-dependent increases in plasma ET-1 and whether these changes are sustained after decongestion. We used a randomized, cross-over design in 20 healthy subjects (age 30 ± 7 years)...
March 2017: Physiological Reports
https://www.readbyqxmd.com/read/28315041/positive-pressure-ventilation-in-a-patient-with-a-right-upper-lobar-bronchocutaneous-fistula-right-upper-bronchus-occlusion-using-the-cuff-of-a-left-sided-double-lumen-endobronchial-tube
#9
Chieko Omori, Hiroaki Toyama, Yusuke Takei, Yutaka Ejima, Masanori Yamauchi
In patients with a bronchocutaneous fistula, positive pressure ventilation leads to air leakage and potential hypoxemia. A male patient with a right upper bronchocutaneous fistula was scheduled for esophageal reconstruction. His preoperative chest computed tomography image revealed aeration in the right middle and lower lobe, a large bulla in the left upper lobe, and pleural effusion and pneumonia in the left lower lobe. Therefore, left one-lung ventilation was considered to result in hypoxemia. Before anesthesia induction, the bronchocutaneous fistula was covered with gauze and film to prevent air leakage...
March 17, 2017: Journal of Anesthesia
https://www.readbyqxmd.com/read/28300650/painful-after-sensations-in-fibromyalgia-are-linked-to-catastrophizing-and-differences-in-brain-response-in-the-medial-temporal-lobe
#10
Kristin L Schreiber, Marco L Loggia, Jieun Kim, Christine M Cahalan, Vitaly Napadow, Robert R Edwards
Fibromyalgia (FM) is a complex syndrome characterized by chronic widespread pain, hyperalgesia, and other disabling symptoms. While the brain response to experimental pain in FM patients has been the object of intense investigation, the biological underpinnings of painful after-sensations (PAS), and their relation to negative affect have received little attention. In this cross-sectional cohort study, subjects with FM (n=53) and healthy controls (n=17) were assessed for PAS by exposure to a sustained, moderately painful cuff stimulus to the leg, individually calibrated to a target pain intensity of 40/100...
March 11, 2017: Journal of Pain: Official Journal of the American Pain Society
https://www.readbyqxmd.com/read/28300357/pilot-randomized-controlled-trial-on-early-and-late-remote-ischemic-preconditioning-prior-to-complex-cardiac-surgery-in-young-infants
#11
Gonzalo Garcia Guerra, Ari R Joffe, Rob Seal, Ernest Phillipos, Maggie Wong, Elham Khodayari Moez, Irina A Dinu, Jonathan P Duff, David Ross, Ivan Rebeyka, Charlene M T Robertson
BACKGROUND: Remote ischemic preconditioning involves providing a brief ischemia-reperfusion event to a tissue to create subsequent protection from a more severe ischemia-reperfusion event to a different tissue/organ. The few pediatric remote ischemic preconditioning studies in the literature show conflicting results. AIM: We conducted a pilot randomized controlled trial to determine the feasibility of conducting a larger trial and to gather provisional data on the effect of early and late remote ischemic preconditioning on outcomes of infants after surgery for congenital heart disease...
April 2017: Paediatric Anaesthesia
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
#12
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/28289530/consumption-of-energy-beverage-is-associated-with-attenuation-of-arterial-endothelial-flow-mediated-dilatation
#13
John P Higgins, Benjamin Yang, Nikki E Herrin, Santi Yarlagadda, George T Le, Brandon L Ortiz, Asif Ali, Stephen C Infanger
AIM: To investigate whether consumption of an energy drink will acutely impair endothelial function in young healthy adults. METHODS: Energy drinks are being consumed more and more worldwide, and have been associated with some deaths in adolescents and young adults, especially when consumed while exercising. After fasting and not smoking for at least 8 h prior, eleven medical students (9 males) received an electrocardiogram, blood pressure and pulse check, and underwent baseline testing (BL) of endothelial function using the technique of endothelium-dependent flow mediated dilatation (FMD) with high-resolution ultrasound (according to recommended guidelines of the University of Wisconsin Atherosclerosis Imaging Research Program Core Laboratory)...
February 26, 2017: World Journal of Cardiology
https://www.readbyqxmd.com/read/28287078/the-design-of-and-chronic-tissue-response-to-a-composite-nerve-electrode-with-patterned-stiffness
#14
Max Freeberg, Matthew Stone, Ronald Triolo, Dustin Tyler
As neural interfaces demonstrate success in chronic applications, a novel class of reshaping electrodes with patterned regions of stiffness will enable application to a widening range of anatomical locations. Patterning stiff regions and flexible regions of the electrode enables nerve reshaping while accommodating anatomical constraints of various implant locations ranging from peripheral nerves to spinal and autonomic plexi. Introduced is a new composite electrode enabling patterning of regions of various electrode mechanical properties...
March 13, 2017: Journal of Neural Engineering
https://www.readbyqxmd.com/read/28287013/a-different-technique-in-gasless-laparoendoscopic-single-site-hysterectomy
#15
Gökhan Demirayak
The aim of this study was to show a different technique for a gasless laparoendoscopic single-site (LESS) hysterectomy and to present advantages and limitations of this technique. Women undergoing gasless LESS hysterectomy with a different technique were evaluated. A total of 14 LESS hysterectomies were performed using this gasless technique and rigid laparoscopic instruments by one surgeon. The mean age of the patients was 48.6 (±4.6). The average blood loss was 80 ± 35 ml. The average time between an umbilical incision and starting hysterectomy was 5 (±2,1) min...
March 13, 2017: Journal of Obstetrics and Gynaecology: the Journal of the Institute of Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/28284926/moderate-short-term-local-hyperglycemia-attenuates-forearm-endothelium-dependent-vasodilation-after-transient-ischemia-reperfusion-in-human-volunteers
#16
Thomas J Ebert, Jutta Novalija, Jill A Barney, Toni D Uhrich, Shahbaz R Arain, Julie K Freed, Paul S Pagel
OBJECTIVE: Acute hyperglycemia causes endothelial dysfunction in diabetic patients, abolishes ischemic pre- and postconditioning, and is an independent predictor of adverse outcome after myocardial infarction in nondiabetic patients. Its effects on endothelial-dependent vasodilation are controversial in healthy subjects. The authors studied the effect of moderate short-term local hyperglycemia on forearm endothelium-dependent vasodilation in healthy volunteers. DESIGN: Randomized, crossover, blinded, 2-visit, pilot design...
December 2, 2016: Journal of Cardiothoracic and Vascular Anesthesia
https://www.readbyqxmd.com/read/28280470/acute-effect-of-central-administration-of-urotensin-ii-on-baroreflex-and-blood-pressure-in-conscious-normotensive-rabbits
#17
Kyungjoon Lim, Yusuke Sata, Kristy L Jackson, Sandra L Burke, Geoffrey A Head
In the present study, we examined the effects of central administration of Urotensin II on blood pressure, heart rate, and baroreceptor heart rate reflexes in conscious normotensive rabbits. Preliminary operations were undertaken to implant a balloon cuff on the inferior vena cava for baroreflex assessments and to implant cannula into the lateral and fourth ventricle. After 2 weeks of recovery cumulative dose response curves to Urotensin II (10, 100 ng, 1, 10, and 100 μg) given into the ventricles, or Ringer's solution as a vehicle were performed on separate days...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28277434/age-interactions-on-pain-sensitization-in-patients-with-severe-knee-osteoarthritis-and-controls
#18
Kristian Kjær Petersen, Lars Arendt-Nielsen, Sara Finocchietti, Rogerio Pessoto Hirata, Ole Simonsen, Mogens Berg Laursen, Thomas Graven-Nielsen
OBJECTIVES: Widespread pressure hyperalgesia, facilitated temporal summation of pain (TSP), and impaired conditioned pain modulation (CPM) have been found in knee osteoarthritis (KOA) patients compared with controls and these parameters have further been suggested to be altered in the elderly. This study investigated the influence of age on pressure hyperalgesia, TSP, and CPM in patients with KOA and controls. METHODS: One-hundred-thirty-three severe KOA patients and 50 age and sex-matched asymptomatic controls were assessed by cuff algometry and handheld pressure algometry...
March 8, 2017: Clinical Journal of Pain
https://www.readbyqxmd.com/read/28272230/comparison-of-the-cuff-pressure-of-a-taperguard-endotracheal-tube-and-a-cylindrical-endotracheal-tube-after-lateral-rotation-of-head-during-middle-ear-surgery-a-single-blind-randomized-clinical-consort-study
#19
RANDOMIZED CONTROLLED TRIAL
Eunkyung Choi, Yongmin Park, Younghoon Jeon
BACKGROUND: Positional change affects the cuff pressure of an endotracheal tube (ETT) in treacheally intubated patients. We compared the cuff pressure of a TaperGuard ETT and a cylindrical ETT after lateral rotation of head during middle ear surgery. METHODS: Fifty-two patients aged 18-70 years underwent a tympanomastoidectomy under general anesthesia were randomly allocated to receive endotracheal intubation with cylindrical (group C, n = 26) or TaperGuard ETTs (group T, n = 26)...
March 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28269566/dual-modality-arterial-pulse-monitoring-system-for-continuous-blood-pressure-measurement
#20
Wen-Xuan Dai, Yuan-Ting Zhang, Jing Liu, Xiao-Rong Ding, Ni Zhao
Accurate and ambulatory measurement of blood pressure (BP) is essential for efficient diagnosis, management and prevention of cardiovascular diseases (CVDs). However, traditional cuff-based BP measurement methods provide only intermittent BP readings and can cause discomfort with the occlusive cuff. Although pulse transit time (PTT) method is promising for cuffless and continuous BP measurement, its pervasive use is restricted by its limited accuracy and requirement of placing sensors on multiple body sites...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
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