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https://www.readbyqxmd.com/read/29756700/use-of-ultrasonography-as-a-noninvasive-decisive-tool-to-determine-the-accurate-endotracheal-tube-size-in-anesthetized-children
#1
Gulnur Gollu, A Onat Bermede, Farid Khanmammadov, Ufuk Ates, Sinan Genc, Ozlem Selvi Can, Suat Fitoz, Zekeriyya Alanoglu, Aydin Yagmurlu
BACKGROUND: It is hard to determine the appropriate size and correct tracheal position of endotracheal tube (ETT) in children. The aim of this study is to determine tracheal diameter in children by using ultrasonography technique as objective tool and compare it with commonly used aged based formulas for the ETT size estimation. PATIENTS AND METHODS: Patients undergoing elective surgery in a tertiary children's hospital were prospectively enrolled. The subglottic transverse tracheal diameter was determined by ultrasonography...
June 1, 2018: Archivos Argentinos de Pediatría
https://www.readbyqxmd.com/read/29756057/clinical-application-of-limiting-laryngeal-mask-airway-cuff-pressures-utilizing-inflating-syringe-intrinsic-recoil
#2
David M Corda, Christopher B Robards, Mark J Rice, Timothy E Morey, Nikolaus Gravenstein, Terrie Vasilopoulos, Sorin J Brull
Background: Overinflation of the laryngeal mask airway (LMA) cuff may cause many of the complications associated with the use of the LMA. There is no clinically acceptable (cost effective and practical) method to ensure cuff pressure is maintained below the manufacturer's recommended maximum value of 60 cm H2 O (44 mmHg). We studied the use of the intrinsic recoil of the LMA inflating syringe as an effective and practical way to limit cuff pressures at or below the manufacturer's recommended values...
April 2018: Romanian Journal of Anaesthesia and Intensive Care
https://www.readbyqxmd.com/read/29660917/medical-compression-stockings-reduce-hypertension-of-nailfold-capillaries-at-the-toe-of-patients-with-chronic-venous-insufficiency1
#3
Anja Oelert, Manuela Kittel, Martin Hahn, Hermann Haase, Michael Jünger
In five patients who suffered from chronic venous insufficiency clinical stage C4 (n = 3) and C6 (n = 2) the capillary blood pressure was measured twice by means of invasive direct cannulation of nailfold capillaries of the toe. During one measurement course the patients wore below knee medical compression stockings (40 mmHg) during the other they did not have compression therapy. With the patient in supine position, the CP was investigated by the servo-nulling technique under resting conditions and under dynamic conditions: the calf-muscle/ankle joint venous pump was simulated by means of inflating a blood pressure cuff, which surrounded the mid lower leg, to 60 mmHg for 60 s...
April 7, 2018: Clinical Hemorheology and Microcirculation
https://www.readbyqxmd.com/read/29651929/chronic-iliofemoral-vein-obstruction-an-under-recognized-cause-of-exercise-limitation
#4
Michael J Segel, Ronen Reuveny, Jacob Luboshitz, Dekel Shlomi, Issahar Ben-Dov
Local symptoms of chronic venous insufficiency after deep vein thrombosis (DVT) are well described, but little is known about the effect of residual venous obstruction on exercise capacity. We tested our hypothesis that chronic residual iliofemoral vein occlusion (IFVO) after DVT may impair exercise capacity. Nine post-DVT patients with residual IFVO and effort intolerance were studied; a comparison cohort consisted of 11 healthy volunteers. Exercise tolerance was assessed by bimodality incremental symptom-limited cardiopulmonary testing, using leg and arm ergometers...
April 13, 2018: European Journal of Sport Science
https://www.readbyqxmd.com/read/29618165/small-arteries-stay-stiff-for-a-longer-period-following-vibration-exercises-in-combination-with-blood-flow-restriction
#5
Ulku Karabulut, Murat Karabulut, Eric G James
PURPOSE: The aim of this study was to assess the effect of isometric exercises performed during whole-body vibration (WBV) with and without blood flow restriction (BFR) on arterial elasticity and hemodynamic variables. METHODS: Eight male subjects performed static upper body (UB) and lower body (LB) exercises on a vibration platform with and without BFR. During BFR sessions, BFR cuffs were placed on the arms or legs and inflated to a target pressure. Exercises consisted of eight 45-s sets for UB, and ten 1-min sets for LB...
April 4, 2018: Clinical Physiology and Functional Imaging
https://www.readbyqxmd.com/read/29515001/smartphone-based-blood-pressure-monitoring-via-the-oscillometric-finger-pressing-method
#6
Anand Chandrasekhar, Chang-Sei Kim, Mohammed Naji, Keerthana Natarajan, Jin-Oh Hahn, Ramakrishna Mukkamala
High blood pressure (BP) is a major cardiovascular risk factor that is treatable, yet hypertension awareness and control rates are low. Ubiquitous BP monitoring technology could improve hypertension management, but existing devices require an inflatable cuff and are not compatible with such anytime, anywhere measurement of BP. We extended the oscillometric principle, which is used by most automatic cuff devices, to develop a cuff-less BP monitoring device using a smartphone. As the user presses her/his finger against the smartphone, the external pressure of the underlying artery is steadily increased while the phone measures the applied pressure and resulting variable-amplitude blood volume oscillations...
March 7, 2018: Science Translational Medicine
https://www.readbyqxmd.com/read/29498941/ultrasound-guided-laryngeal-air-column-width-difference-as-a-new-predictor-for-postextubation-stridor-in-children
#7
Doaa El Amrousy, Mohamed Elkashlan, Nagat Elshmaa, Ahmed Ragab
OBJECTIVES: To assess the efficacy of ultrasound-guided laryngeal air column width difference in predicting postextubation stridor in children. DESIGN: Prospective observational study. SETTING: Single, tertiary care pediatric hospital. PATIENTS: This study was carried out at PICU and surgical ICU, Tanta University Hospital on 400 ventilated children between January 2015 and May 2017. Patients who received mechanical ventilation and met criteria for a weaning trial were included...
June 2018: Critical Care Medicine
https://www.readbyqxmd.com/read/29480853/effects-of-remote-ischemic-preconditioning-on-contrast-induced-nephropathy-after-percutaneous-coronary-intervention-in-patients-with-acute-coronary-syndrome
#8
RANDOMIZED CONTROLLED TRIAL
Fazhan Zhou, Wei Song, Zilong Wang, Luhua Yin, Shen Yang, Fubai Yang, Zhaofeng Song, Yaguang Song, Huanyi Zhang, Fengjie Qiao, Zhimian Zhang
OBJECTIVE: The aim of this study was to explore the clinical effects of remote ischemic preconditioning (RIPC) on contrast-induced nephropathy after percutaneous coronary intervention (PCI) in patients with acute coronary syndrome (ACS). PATIENTS AND METHODS: The study was a single-center, prospective, randomized, controlled study. A total of 161 patients with ACS and the rate of estimate glomerular filtration (eGFR) 15 to 70 mL/min/1.73 m2 undergoing PCI were randomly assigned to RIPC group (induced by 4 times of 5-minute inflations of a blood pressure cuff to 200 mmHg around the upper arm, followed by 5-min intervals of reperfusion at 1 hour before PCI therapy) or control group (an uninflated cuff around the arm)...
January 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29457115/comparison-of-inflationary-non-invasive-blood-pressure-inibp-monitoring-technology-and-conventional-deflationary-non-invasive-blood-pressure-dnibp-measurement-in-detecting-hypotension-during-cesarean-section
#9
Akiko Yamashita, Shingo Irikoma
Background: The Nihon Kohden linear inflationary non-invasive blood pressure (iNIBP) monitoring technology is an oscillometric device that measures blood pressure by detecting oscillations during inflation. Systolic blood pressure can be recorded without overinflating the cuff higher than the true systolic pressure. Thus, total time taken for inflation and deflation is shorter than that by the conventional deflation devices. In this study, the ability of iNIBP to detect maternal hypotension during cesarean section faster than deflationary non-invasive blood pressure (dNIBP) monitoring devices under clinical settings was evaluated prospectively...
2018: JA Clinical Reports
https://www.readbyqxmd.com/read/29456238/remote-ischemic-postconditioning-ripc-of-the-upper-arm-results-in-protection-from-cardiac-ischemia-reperfusion-injury-following-primary-percutaneous-coronary-intervention-pci-for-acute-st-segment-elevation-myocardial-infarction-stemi
#10
Bangming Cao, Haipeng Wang, Chi Zhang, Ming Xia, Xiangjun Yang
BACKGROUND The aim of this study was to evaluate the role of remote ischemic postconditioning (RIPC) of the upper arm on protection from cardiac ischemia-reperfusion injury following primary percutaneous coronary intervention (PCI) in patients with acute ST-segment elevation myocardial infarction (STEMI). MATERIAL AND METHODS Eighty patients with STEMI were randomized into two groups: primary PCI (N=44) and primary PCI+RIPC (N=36). RIPC consisted of four cycles of 5 minutes of occlusion and five minutes of reperfusion by cuff inflation and deflation of the upper arm, commencing within one minute of the first PCI balloon dilatation...
February 19, 2018: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/29447402/intraoperative-endotracheal-cuff-pressure-study-how-education-and-availability-of-manometers-help-guide-safer-pressures
#11
Gregory J Stevens, Joel W Warfel, James K Aden, Scott D Blackwell
Introduction: Endotracheal intubation is a medical procedure that is often indicated in both the perioperative and critical care environments. Cuffed endotracheal tubes (ETT) allow for safer and more efficient delivery of positive pressure ventilation, as well as create a barrier to reduce the risk of micro-aspiration and anesthetic pollution in the operating room environment. Over-inflation of the endotracheal cuff can lead to serious and harmful sequelae. This study aimed to assess if departmental education paired with ready access to a manometer to assess cuff pressure would result in an improvement in the proportion of ETT cuff pressures in the goal range...
February 13, 2018: Military Medicine
https://www.readbyqxmd.com/read/29420152/ischemic-conditioning-increases-strength-and-volitional-activation-of-paretic-muscle-in-chronic-stroke-a-pilot-study
#12
Allison S Hyngstrom, Spencer A Murphy, Jennifer Nguyen, Brian D Schmit, Francesco Negro, David D Gutterman, Matthew J Durand
Ischemic conditioning (IC) on the arm or leg has emerged as an intervention to improve strength and performance in healthy populations, but the effects on neurologic populations are unknown. The purpose of this study was to quantify the effects of a single session of IC on knee extensor strength and muscle activation in chronic stroke survivors. Maximal knee extensor torque measurements and surface EMG were quantified in 10 chronic stroke survivors (>1 year post-stroke) with hemiparesis before and after a single session of IC or Sham on the paretic leg...
February 8, 2018: Journal of Applied Physiology
https://www.readbyqxmd.com/read/29375896/ultrasound-comparison-of-external-and-internal-neck-anatomy-with-the-lma-unique
#13
Steven M Lee, Jacek A Wojtczak, Davide Cattano
Introduction: Internal neck anatomy landmarks and their relation after placement of an extraglottic airway devices have not been studied extensively by the use of ultrasound. Based on our group experience with external landmarks as well as internal landmarks evaluation with other techniques, we aimed use ultrasound to analyze the internal neck anatomy landmarks and the related changes due to the placement of the Laryngeal Mask Airway Unique. Methods: Observational pilot investigation...
December 2017: Journal of Ultrasonography
https://www.readbyqxmd.com/read/29353903/evaluation-of-endotracheal-tube-cuff-pressure-in-laparoscopic-cholecystectomy-and-postoperative-sore-throat
#14
Gajal Lakhe, Surendra Mohan Sharma
BACKGROUND: The use of nitrous oxide and carboperitoneum in laparoscopic cholecystectomy lead to increase in endotracheal tube cuff pressure. It may impair tracheal mucosal perfusion with subsequent tracheal damage. The purpose of this study was to evaluate cuff pressure and incidence of post-operative sore throat in patients undergoing laparoscopic cholecystectomy. METHODS: In this prospective observational study, 128 patients aged 18-65 years of American Society of Anesthesiologist physical status I and II undergoing laparoscopic cholecystectomy were enrolled and allocated alternately into two groups, Study Group (Maintenance of anesthesia with sevoflurane 1-2%, oxygen/nitrous oxide mixture; 40/60), Control Group (Maintenance of anesthesia with sevoflurane 1-2%, oxygen/air mixture; 40/60) were analysed and comapared...
January 1, 2018: Journal of Nepal Health Research Council
https://www.readbyqxmd.com/read/29189283/effects-of-increasing-airway-pressures-on-the-pressure-of-the-endotracheal-tube-cuff-during-pelvic-laparoscopic-surgery
#15
Eric B Rosero, Esra Ozayar, Javier Eslava-Schmalbach, Abu Minhajuddin, Girish P Joshi
BACKGROUND: Tracheal tube cuff pressures exceeding the perfusion pressures of the tracheal mucosa have been associated with complications such as sore throat, tracheal mucosa ulcers, tracheal rupture, and subglottic stenosis. Despite appropriate inflation, many factors can increase the tracheal cuff pressure during mechanical ventilation. This prospective observational cohort study was designed to test the hypothesis that during a clinical model of decreasing respiratory compliance, the pressure within the endotracheal tube cuff will rise in direct relationship to increases in the airway pressures...
November 17, 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/29135491/agreement-analysis-of-oscillometric-devices-in-the-measure-of-resting-heart-rate-in-breast-cancer-survivors
#16
Mariana R Palma, Luiz C M Vanderlei, Fernanda E Ribeiro, Rafaela C C de Andrade, Cristina E P T Fregonesi, Ismael F Freitas Júnior, Diego G D Christofaro
OBJECTIVE: The aim of this study was to verify the reproducibility of an oscillometric device in the measurement of resting heart rate (RHR) in breast cancer survivors. METHODS: This study included 85 breast cancer survivors with a mean age of 58.87±10.03 years. For the RHR evaluation, the equipment used was the Omron HEM 742, electronic and digital arm device, for measurement of blood pressure and heart rate (HR), with automatic cuff inflation and deflation. At the same time as the oscillometric measurement, HR was measured by the HR monitor Polar RS800 CX, which has been validated previously for HR uptake...
February 2018: Blood Pressure Monitoring
https://www.readbyqxmd.com/read/29131250/effects-of-remote-ischemic-preconditioning-on-myocardial-injury-and-endothelial-function-and-prognosis-after-percutaneous-coronary-intervention-in-patients-with-acute-coronary-syndrome
#17
F-Z Zhou, W Song, L-H Yin, Z-F Song, S Yang, F-B Yang, J-F Liu, Y-G Song, H-Y Zhang, Z-M Zhang
OBJECTIVE: To explore the effects of remote ischemic preconditioning on myocardial injury and prognosis after percutaneous coronary intervention (PCI) in patients with acute coronary syndrome. PATIENTS AND METHODS: The study was a single center, prospective, randomized, controlled study. A total of 184 patients with unstable angina undergoing elective PCI were randomly assigned to remote ischemic preconditioning group (induced by four times of 5-min inflations of a blood pressure cuff to 200 mmHg around the upper arm, followed by 5-min intervals of reperfusion at 1 h before PCI therapy) or control group (an uninflated cuff around the arm)...
October 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29118964/development-of-a-blood-pressure-measurement-instrument-with-active-cuff-pressure-control-schemes
#18
Chung-Hsien Kuo, Chun-Ju Wu, Hung-Chyun Chou, Guan-Ting Chen, Yu-Cheng Kuo
This paper presents an oscillometric blood pressure (BP) measurement approach based on the active control schemes of cuff pressure. Compared with conventional electronic BP instruments, the novelty of the proposed BP measurement approach is to utilize a variable volume chamber which actively and stably alters the cuff pressure during inflating or deflating cycles. The variable volume chamber is operated with a closed-loop pressure control scheme, and it is activated by controlling the piston position of a single-acting cylinder driven by a screw motor...
2017: Journal of Healthcare Engineering
https://www.readbyqxmd.com/read/29082595/cutaneous-reactive-hyperaemia-is-unaltered-by-dietary-nitrate-supplementation-in-healthy-humans
#19
Brett J Wong, Jeremy T Keen, Erica L Levitt
The purpose of this study was to determine whether nitrate supplementation augments cutaneous reactive hyperaemia. Seven participants were tested pre- and postnitrate supplementation (25 ml beetroot juice); participants consumed one shot per day for 3 days. Participants were instrumented with two microdialysis fibres: control (Ringer's solution) and NO synthase inhibition (20 mM L-NAME). Skin blood flow was measured via laser-Doppler flowmetry (LDF). A blood pressure cuff was placed on the experimental arm and inflated to 250 mmHg for 5 mins to occlude arterial inflow...
October 29, 2017: Clinical Physiology and Functional Imaging
https://www.readbyqxmd.com/read/29080792/impact-of-shear-rate-pattern-on-post-occlusive-near-infrared-spectroscopy-microvascular-reactivity
#20
M Ramos Gonzalez, J T Caldwell, P A Branch, G C Wardlow, C D Black, J Campbell, R D Larson, C J Ade
The primary aim of the present study was to determine the impact of acute changes in shear rate patterns, in particular retrograde shear rate, on microvascular function in 15 healthy, young men and women as determined via the post-occlusive near-infrared spectroscopy (NIRS) microvascular reactivity response. Microvascular reactivity, via NIRS-derived measurements of post-occlusion tissue saturation index (TSI%) and total microvascular hemoglobin+myoglobin concentration ([Hb]total ), were assessed in each participant before and immediately after exposure to a 30min retrograde shear treatment...
March 2018: Microvascular Research
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