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Non invasive positive pressure

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https://www.readbyqxmd.com/read/28228388/intraoral-ulcer-due-to-non-invasive-positive-pressure-ventilation-an-overlooked-complication
#1
Katsunori Masaki, Atsushi Chiyotani, Ichiro Nakachi
No abstract text is available yet for this article.
February 21, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28227820/evaluating-respiratory-muscle-activity-using-a-wireless-sensor-platform
#2
Luis Estrada, Abel Torres, Leonardo Sarlabous, Raimon Jane, Luis Estrada, Abel Torres, Leonardo Sarlabous, Raimon Jane, Raimon Jane, Luis Estrada, Leonardo Sarlabous, Abel Torres
Wireless sensors are an emerging technology that allows to assist physicians in the monitoring of patients health status. This approach can be used for the non-invasive recording of the electrical respiratory muscle activity of the diaphragm (EMGdi). In this work, we acquired the EMGdi signal of a healthy subject performing an inspiratory load test. To this end, the EMGdi activity was captured from a single channel of electromyography using a wireless platform which was compared with the EMGdi and the inspiratory mouth pressure (Pmouth) recorded with a conventional lab equipment...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227615/smart-monitoring-of-fluid-intake-and-bladder-voiding-using-pressure-sensitive-mats
#3
Madison Cohen-McFarlane, James R Green, Frank Knoefel, Rafik Goubran, Madison Cohen-McFarlane, James R Green, Frank Knoefel, Rafik Goubran, Frank Knoefel, Madison Cohen-McFarlane, Rafik Goubran, James R Green
Pressure sensitive mats have been used in noninvasive smart monitoring for a variety of problems including breathing rate monitoring, sleep monitoring, mobility, and weight. This paper describes a proof of concept application of pressure mats to monitor fluid intake/output (fluid cycle) events during the night. The ability to more accurately track such events has potential implications for monitoring those individuals who have nocturia, a condition where a person wakes at night to urinate. Data were collected from a healthy young female subject instructed to drink as much water as was comfortable (700mL) and lie in a supine position on a mattress located directly on three pressure mats...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28224279/np-59-test-for-preoperative-localization-of-primary-hyperaldosteronism
#4
Marcello Di Martino, Iñigo García Sanz, Jose Luis Muñoz de Nova, Cristina Marín Campos, Miguel Martínez Martín, Luis Domínguez Gadea
PURPOSE: Adrenal venous sampling is generally considered the gold standard to identify unilateral hormone production in cases of primary hyperaldosteronism. The aim of this study is to evaluate whether the iodine-131-6-β-iodomethyl-19-norcholesterol (NP-59) test may represent an alternative in selected cases. METHODS: Patients submitted to laparoscopic adrenalectomy for suspected primary hyperaldosteronism (n = 27) were retrospectively reviewed. When nuclear medicine tests were preoperatively performed, their results were compared with the histopathologic findings and clinical improvement...
February 21, 2017: Langenbeck's Archives of Surgery
https://www.readbyqxmd.com/read/28220532/diagnosing-bladder-outlet-obstruction-using-the-penile-cuff-test-in-men-with-lower-urinary-tract-symptoms
#5
Kwang Jin Ko, Yoon Seok Suh, Tae Heon Kim, Hyun Hwan Sung, Gyu Ha Ryu, Kyu-Sung Lee
AIM: The current standard diagnostic test to evaluate bladder outlet obstruction (BOO) is pressure-flow study (PFS). The penile cuff test (PCT) was introduced as a non-invasive alternative to PFS to determine the isovolumetric bladder pressure and also flow rate. The aim of the study was to evaluate the diagnostic accuracy and acceptability of the PCT, compared to those of PFS, in the assessment of BOO in men. METHODS: A total of 146 consecutive men with an International Prostate Symptom Score (IPSS) >12 and lower urinary tract symptoms (LUTS) for >6 months were included in this single-institution, prospective, diagnostic study...
February 21, 2017: Neurourology and Urodynamics
https://www.readbyqxmd.com/read/28218802/non-invasive-ventilation-for-cystic-fibrosis
#6
REVIEW
Fidelma Moran, Judy M Bradley, Amanda J Piper
BACKGROUND: Non-invasive ventilation may be a means to temporarily reverse or slow the progression of respiratory failure in cystic fibrosis by providing ventilatory support and avoiding tracheal intubation. Using non-invasive ventilation, in the appropriate situation or individuals, can improve lung mechanics through increasing airflow and gas exchange and decreasing the work of breathing. Non-invasive ventilation thus acts as an external respiratory muscle. This is an update of a previously published review...
February 20, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28216976/correlation-of-transient-elastography-with-hepatic-venous-pressure-gradient-in-patients-with-cirrhotic-portal-hypertension-a-study-of-326-patients-from-india
#7
Ashish Kumar, Noor Muhammad Khan, Shrihari Anil Anikhindi, Praveen Sharma, Naresh Bansal, Vikas Singla, Anil Arora
AIM: To study the diagnostic accuracy of transient elastography (TE) for detecting clinically significant portal hypertension (CSPH) in Indian patients with cirrhotic portal hypertension. METHODS: This retrospective study was conducted at the Institute of Liver, Gastroenterology, and Pancreatico-Biliary Sciences, Sir Ganga Ram Hospital, New Delhi, on consecutive patients with cirrhosis greater than 15 years of age who underwent hepatic venous pressure gradient (HVPG) and TE from July 2011 to May 2016...
January 28, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28213266/noninvasivepositive-pressure-ventilation-vsinvasive-mechanical-ventilation-as-first-line-therapy-for-acute-hypoxemic-respiratory-failure-in-cancer-patients
#8
Nisha K Rathi, Sajid A Haque, Ron Nates, Alyssa Kosturakis, Hao Wang, Wenli Dong, Lei Feng, Rose J Erfe, Christina Guajardo, Laura Withers, Clarence Finch, Kristen J Price, Joseph L Nates
PURPOSE: The objective was to describe the characteristics and outcomes of critically ill cancer patients who received noninvasive positive pressure ventilation (NIPPV) vs invasive mechanical ventilation as first-line therapy for acute hypoxemic respiratory failure. MATERIAL AND METHODS: A retrospective cohort study of consecutive adult intensive care unit (ICU) cancer patients who received either conventional invasive mechanical ventilation or NIPPV as first-line therapy for hypoxemic respiratory failure...
January 20, 2017: Journal of Critical Care
https://www.readbyqxmd.com/read/28192893/non-invasive-ventilation-improves-respiratory-distress-in-children-with-acute-viral-bronchiolitis-a-systematic-review
#9
Yann Combret, Guillaume Prieur, Pascal LE Roux, Clément Médrinal
BACKGROUND: Non-invasive ventilation (NIV) is a common treatment for bronchiolitis. However, consensus concerning its efficacy is lacking. The aim of this systematic review was to assess NIV effectiveness to reduce respiratory distress. Secondary objectives were to summarize the effects of NIV, identify predictive factors for failure and describe settings and applications. METHODS: Searches were conducted in MEDLINE Pubmed, PEDro, COCHRANE, EMBASE, CINAHL, Web of Science, Up-todate and Sudoc from 1990 to April 2015...
February 13, 2017: Minerva Anestesiologica
https://www.readbyqxmd.com/read/28187374/the-strengths-and-weaknesses-of-non-invasive-parameters-obtained-by-echocardiography-and-cardiopulmonary-exercise-testing-in-comparison-with-the-hemodynamic-assessment-by-the-right-heart-catheterization-in-patients-with-pulmonary-hypertension
#10
Katarzyna Ptaszyńska-Kopczyńska, Anna Krentowska, Emilia Sawicka, Anna Skoneczny, Małgorzata Jasiewicz, Małgorzata Knapp, Włodzimierz J Musiał, Bożena Sobkowicz, Karol A Kamiński
PURPOSE: Pulmonary hypertension (PH) diagnosis requires invasive assessment by right heart catheterization (RHC), but screening and monitoring are performed using non-invasive methods: echocardiography and cardiopulmonary exercise testing (CPET). The aim of the study was to assess correlations between the parameters obtained in non-invasive testing and RHC in patients with PH of different etiologies. MATERIAL/METHODS: The study included 53 medical records of PH patients (32 women) aged 29-81 years...
June 14, 2016: Advances in Medical Sciences
https://www.readbyqxmd.com/read/28178413/spontaneous-intracerebral-hemorrhage-management
#11
REVIEW
Jun Yup Kim, Hee-Joon Bae
Spontaneous non-traumatic intracerebral hemorrhage (ICH) remains a significant cause of mortality and morbidity throughout the world. To improve the devastating course of ICH, various clinical trials for medical and surgical interventions have been conducted in the last 10 years. Recent large-scale clinical trials have reported that early intensive blood pressure reduction can be a safe and feasible strategy for ICH, and have suggested a safe target range for systolic blood pressure. While new medical therapies associated with warfarin and non-vitamin K antagonist oral anticoagulants have been developed to treat ICH, recent trials have not been able to demonstrate the overall beneficial effects of surgical intervention on mortality and functional outcomes...
January 2017: Journal of Stroke
https://www.readbyqxmd.com/read/28161107/exploration-of-force-myography-and-surface-electromyography-in-hand-gesture-classification
#12
Xianta Jiang, Lukas-Karim Merhi, Zhen Gang Xiao, Carlo Menon
Whereas pressure sensors increasingly have received attention as a non-invasive interface for hand gesture recognition, their performance has not been comprehensively evaluated. This work examined the performance of hand gesture classification using Force Myography (FMG) and surface Electromyography (sEMG) technologies by performing 3 sets of 48 hand gestures using a prototyped FMG band and an array of commercial sEMG sensors worn both on the wrist and forearm simultaneously. The results show that the FMG band achieved classification accuracies as good as the high quality, commercially available, sEMG system on both wrist and forearm positions; specifically, by only using 8 Force Sensitive Resisters (FSRs), the FMG band achieved accuracies of 91...
February 1, 2017: Medical Engineering & Physics
https://www.readbyqxmd.com/read/28155695/association-of-simultaneously-measured-four-limb-blood-pressures-with-cardiovascular-function-a-cross-sectional-study
#13
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/28146296/nasal-intermittent-positive-pressure-ventilation-nippv-versus-nasal-continuous-positive-airway-pressure-ncpap-for-preterm-neonates-after-extubation
#14
REVIEW
Brigitte Lemyre, Peter G Davis, Antonio G De Paoli, Haresh Kirpalani
BACKGROUND: Previous randomised trials and meta-analyses have shown that nasal continuous positive airway pressure (NCPAP) is a useful method for providing respiratory support after extubation. However, this treatment sometimes 'fails' in infants, and they may require endotracheal re-intubation with its attendant risks and expense. Nasal intermittent positive pressure ventilation (NIPPV) can augment NCPAP by delivering ventilator breaths via nasal prongs. Older children and adults with chronic respiratory failure benefit from NIPPV, and the technique has been applied to neonates...
February 1, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28144579/microvascular-response-to-transfusion-in-elective-spine-surgery
#15
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/28141808/skin-autofluorescence-and-subclinical-atherosclerosis-in-mild-to-moderate-chronic-kidney-disease-a-case-control-study
#16
Enric Sánchez, Àngels Betriu, David Arroyo, Carolina López, Marta Hernández, Ferran Rius, Elvira Fernández, Albert Lecube
Advanced glycation end-products (AGEs) are increased and predict mortality in patients with chronic kidney disease (CKD) who are undergoing hemodialysis, irrespective of the presence of type 2 diabetes. However, little information exits about the relationship between AGEs and subclinical atherosclerosis at the early stages of CKD. A case-control study was performed including 87 patients with mild-to-moderate stages of CKD (glomerular filtration rate from 89 to 30 ml/min/per 1.73m2) and 87 non-diabetic non-CKD subjects matched by age, gender, body mass index, and waist circumference...
2017: PloS One
https://www.readbyqxmd.com/read/28126420/respiratory-effort-from-the-photoplethysmogram
#17
Paul S Addison
The potential for a simple, non-invasive measure of respiratory effort based on the pulse oximeter signal - the photoplethysmogram or 'pleth' - was investigated in a pilot study. Several parameters were developed based on a variety of manifestations of respiratory effort in the signal, including modulation changes in amplitude, baseline, frequency and pulse transit times, as well as distinct baseline signal shifts. Thirteen candidate parameters were investigated using data from healthy volunteers. Each volunteer underwent a series of controlled respiratory effort maneuvers at various set flow resistances and respiratory rates...
January 23, 2017: Medical Engineering & Physics
https://www.readbyqxmd.com/read/28116071/plant-invasion-and-speciation-along-elevational-gradients-on-the-oceanic-island-la-palma-canary-islands
#18
Manuel J Steinbauer, Severin D H Irl, Juana María González-Mancebo, Frank T Breiner, Raquel Hernández-Hernández, Sebastian Hopfenmüller, Yohannes Kidane, Anke Jentsch, Carl Beierkuhnlein
Ecosystems that provide environmental opportunities but are poor in species and functional richness generally support speciation as well as invasion processes. These processes are expected not to be equally effective along elevational gradients due to specific ecological, spatial, and anthropogenic filters, thus controlling the dispersal and establishment of species. Here, we investigate speciation and invasion processes along elevational gradients. We assess the vascular plant species richness as well as the number and percentage of endemic species and non-native species systematically along three elevational gradients covering large parts of the climatic range of La Palma, Canary Islands...
January 2017: Ecology and Evolution
https://www.readbyqxmd.com/read/28109006/attitudes-towards-non-invasive-prenatal-diagnosis-among-obstetricians-in-pakistan-a-developing-islamic-country
#19
Shenaz Ahmed, Hussain Jafri, Yasmin Rashid, Gerald Mason, Yasmin Ehsan, Mushtaq Ahmed
OBJECTIVES: Stakeholders' views are essential for informing implementation strategies for non-invasive prenatal testing (NIPT). Little is known about such views in developing countries. We explored attitudes toward NIPT among obstetricians in Pakistan, a developing Islamic country. METHODS: A 35-item questionnaire was distributed and collected at eight events (a national conference and seven workshops in five cities) for obstetric professionals on advances in fetal medicine...
January 20, 2017: Prenatal Diagnosis
https://www.readbyqxmd.com/read/28108837/can-mechanical-imaging-increase-the-specificity-of-mammography-screening
#20
Magnus Dustler, Daniel Förnvik, Pontus Timberg, Ingvar Andersson, Hannie Petersson, Håkan Brorson, Anders Tingberg, Sophia Zackrisson
OBJECTIVES: This study aimed to investigate the effects of adding adjunct mechanical imaging to mammography breast screening. We hypothesized that mechanical imaging could detect increased local pressure caused by both malignant and benign breast lesions and that a pressure threshold for malignancy could be established. The impact of this on breast screening was investigated with regard to reductions in recall and biopsy rates. METHODS: 155 women recalled from breast screening were included in the study, which was approved by the regional ethical review board (dnr 2013/620)...
January 20, 2017: European Radiology
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