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Ambulatory oxygen

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https://www.readbyqxmd.com/read/28705994/wearable-brain-imaging-with-multi-modal-physiological-recording
#1
Gary E Strangman, Vladimir Ivkovic, Quan Zhang
The brain is a central component of cognitive and physical human performance. Measures including functional brain activation, cerebral perfusion, cerebral oxygenation, evoked electrical responses, and resting hemodynamic and electrical activity are all related to, or can predict health status or performance decrements. However, measuring brain physiology typically requires large, stationary machines that are not suitable for mobile or self-monitoring. Moreover, when individuals are ambulatory, systemic physiological fluctuations-e...
July 13, 2017: Journal of Applied Physiology
https://www.readbyqxmd.com/read/28702869/ambulatory-clinical-parameters-and-sleep-respiratory-events-in-a-group-of-obese-children-unselected-for-respiratory-problems
#2
Marco Zaffanello, Giorgio Piacentini, Angelo Pietrobelli, Cristiano Fava, Giuseppe Lippi, Claudio Maffeis, Emma Gasperi, Luana Nosetti, Sara Bonafini, Angela Tagetti, Franco Antoniazzi
BACKGROUND: Obstructive sleep apnea in children is frequently due to tonsil and adenoid hypertrophy. This study aimed to investigate the relationship between ambulatory clinical parameters and sleep respiratory events in obese children. METHODS: We carried out a prospective respiratory sleep study between 2013 and 2015. Nails obstruction, tonsils enlargement and palate position were subjectively measured. Italian attention deficit hyperactivity disorder (ADHD) rating scale for parents was also performed...
July 12, 2017: World Journal of Pediatrics: WJP
https://www.readbyqxmd.com/read/28681596/high-intensity-interval-training-combined-with-resistance-training-improves-physiological-capacities-strength-and-quality-of-life-in-multiple-sclerosis-patients-a-pilot-study
#3
Pierre Zaenker, Fabrice Favret, Evelyne Lonsdorfer, Guillaume Muff, Jérôme DE Seze, Marie-Eve Isner-Horobeti
BACKGROUND: Numerous studies have shown that mild-to-moderate intensity or resistance exercise training improves physical capacities such as, peak oxygen consumption, maximal tolerated power and strength in multiple sclerosis patients. However, few studies have evaluated the effects of high intensity interval training associated to with resistance training. Only few studies have analysed difference between men and women before and after combined training. Moreover, the evaluation of exercise between ambulatory multiple sclerosis patients without disability (EDSS 0- 3) and patients with disabilities (EDSS 3...
July 5, 2017: European Journal of Physical and Rehabilitation Medicine
https://www.readbyqxmd.com/read/28681553/contractile-reserve-and-cardiopulmonary-exercise-parameters-in-patients-with-dilated-cardiomyopathy-the-two-dimensions-of-exercise-testing
#4
Kegan J Moneghetti, Yukari Kobayashi, Jeffrey W Christle, Miyuki Ariyama, Bojan Vrtovec, Tatiana Kouznetsova, Andrew Wilson, Euan Ashley, Matthew T Wheeler, Johnathan Myers, Francois Haddad
BACKGROUND: Left ventricular (LV) contractile reserve assessed using imaging and cardiopulmonary exercise testing (CPX) has been shown to predict outcome in patients with dilated cardiomyopathy (DCM). Few clinical studies have, however, analyzed the relationship between them. METHODS: A cohort of 75 ambulatory patients with DCM underwent stress treadmill echocardiography with CPX. LV contractile reserve was calculated as absolute change (ΔLVEF=LVEFpeak -LVEFrest ) and percent change (%LVEF=[(LVEFpeak -LVEFrest )/LVEFpeak) ]×100) in LVEF, circumferential and longitudinal strain (LS)...
July 6, 2017: Echocardiography
https://www.readbyqxmd.com/read/28671315/relationship-between-oxygen-cost-of-walking-and-level-of-walking-disability-after-stroke-an-experimental-study
#5
Janaine C Polese, Louise Ada, Luci F Teixeira-Salmela
BACKGROUND AND PURPOSE: Since physical inactivity is the major risk factor for recurrent stroke, it is important to understand how level of disability impacts oxygen uptake by people after stroke. This study investigated the nature of the relationship between level of disability and oxygen cost in people with chronic stroke. METHODS: Level of walking disability was measured as comfortable walking speed using the 10-m Walk Test reported in m/s with 55 ambulatory people 2 years after stroke...
July 3, 2017: Physiotherapy Research International: the Journal for Researchers and Clinicians in Physical Therapy
https://www.readbyqxmd.com/read/28667196/patient-safety-during-procedural-sedation-using-capnography-monitoring-a-systematic-review-and-meta-analysis
#6
Rhodri Saunders, Michel M R F Struys, Richard F Pollock, Michael Mestek, Jenifer R Lightdale
OBJECTIVE: To evaluate the effect of capnography monitoring on sedation-related adverse events during procedural sedation and analgesia (PSA) administered for ambulatory surgery relative to visual assessment and pulse oximetry alone. DESIGN AND SETTING: Systematic literature review and random effects meta-analysis of randomised controlled trials (RCTs) reporting sedation-related adverse event incidence when adding capnography to visual assessment and pulse oximetry in patients undergoing PSA during ambulatory surgery in the hospital setting...
June 30, 2017: BMJ Open
https://www.readbyqxmd.com/read/28644693/supplemental-oxygen-in-interstitial-lung-disease-an-art-in-need-of-science
#7
Kerri A Johannson, Sachin R Pendharkar, Kirk Mathison, Charlene D Fell, Jordan A Guenette, Meena Kalluri, Martin Kolb, Christopher J Ryerson
Interstitial lung disease (ILD) comprises a large and heterogeneous group of disorders that often lead to progressive fibrosis and premature death. Oxygen supplementation is typically used in advanced lung disease patients with resting hypoxemia; however, there is a paucity of evidence guiding the use of supplemental oxygen in ILD, and significant heterogeneity in clinical practice. It remains unclear whether supplemental oxygen improves clinically meaningful outcomes, and the role of ambulatory oxygen supplementation in isolated exertional hypoxemia is particularly controversial...
June 23, 2017: Annals of the American Thoracic Society
https://www.readbyqxmd.com/read/28625277/the-diagnosis-and-treatment-of-hemoptysis
#8
Harald Ittrich, Maximilian Bockhorn, Hans Klose, Marcel Simon
BACKGROUND: Hemoptysis, i.e., the expectoration of blood from the lower airways, has an annual incidence of approximately 0.1% in ambulatory patients and 0.2% in inpatients. It is a potentially life-threatening medical emergency and carries a high mortality. METHODS: This review article is based on pertinent publications retrieved by a selective search in PubMed. RESULTS: Hemoptysis can be a sign of many different diseases. Its cause remains unknown in about half of all cases...
June 5, 2017: Deutsches Ärzteblatt International
https://www.readbyqxmd.com/read/28607132/impaired-muscle-oxygenation-and-elevated-exercise-blood-pressure-in-hypertensive-patients-links-with-vascular-stiffness
#9
Konstantina Dipla, Areti Triantafyllou, Nikolaos Koletsos, Stavros Papadopoulos, Vasileios Sachpekidis, Ioannis S Vrabas, Eugenia Gkaliagkousi, Andreas Zafeiridis, Stella Douma
This study examined in vivo (1) skeletal muscle oxygenation and microvascular function, at rest and during handgrip exercise, and (2) their association with macrovascular function and exercise blood pressure (BP), in newly diagnosed, never-treated patients with hypertension and normotensive individuals. Ninety-one individuals (51 hypertensives and 40 normotensives) underwent office and 24-hour ambulatory BP, arterial stiffness, and central aortic BP assessment, followed by a 5-minute arterial occlusion and a 3-minute submaximal handgrip exercise...
June 12, 2017: Hypertension
https://www.readbyqxmd.com/read/28601121/relationship-between-subendocardial-viability-ratio-and-hemoglobin-in-patients-with-chronic-kidney-disease
#10
Robert Ekart, Sebastjan Bevc, Nina Hojs, Tina Stropnik Galuf, Martin Hren, Benjamin Dvoršak, Maša Knehtl, Eva Jakopin, Igor Krajnc, Radovan Hojs
AIMS: Pulse wave analysis (PWA) uses the technique of applanation tonometry to obtain a peripheral pulse pressure waveform from which central hemodynamic information is derived. Using PWA, subendocardial viability ratio (SEVR) can be measured. SEVR represents a noninvasive measure of myocardial perfusion. It is related to the work of the heart, the oxygen consumption, and the energy supply of the heart. Anemia is a common complication of chronic kidney disease (CKD). A complex relationship exists between CKD, cardiovascular disease (CVD), and anemia...
2017: Clinical Nephrology
https://www.readbyqxmd.com/read/28579770/proteasome-activity-related-with-the-daily-physical-activity-of-copd-patients
#11
Kang-Yun Lee, Tzu-Tao Chen, Ling-Ling Chiang, Hsiao-Chi Chuang, Po-Hao Feng, Wen-Te Liu, Kuan-Yuan Chen, Shu-Chuan Ho
BACKGROUND: COPD is a debilitating disease that affects patients' daily lives. One's daily physical activity (DPA) decreases due to multifactorial causes, and this decrease is correlated with a poor prognosis in COPD patients. Muscle wasting may at least be partly due to increased activity of the ubiquitin proteasome pathway and apoptosis. METHODS: This study investigated the relationships among DPA, circulating proteasome activity, and protein carbonyl in COPD patients and healthy subjects (HSs)...
2017: International Journal of Chronic Obstructive Pulmonary Disease
https://www.readbyqxmd.com/read/28571673/a-toe-flexion-nirs-assisted-test-for-rapid-assessment-of-foot-perfusion-in-peripheral-arterial-disease-feasibility-validity-and-diagnostic-accuracy
#12
F Manfredini, N Lamberti, T Rossi, F Mascoli, N Basaglia, P Zamboni
OBJECTIVES: Feasibility, validity, and diagnostic accuracy of a non-invasive dynamic ambulatory test were assessed with near infrared spectroscopy (NIRS) evaluating foot perfusion in peripheral arterial disease (PAD). METHODS: This was a prospective observational study. Eighty PAD patients (63 males, 71 ± 9 years), including 41 patients with coexisting diabetes, participated. Thirteen healthy subjects (8 males, 26 ± 8 years) were also studied by echo colour Doppler providing 160 diseased and 26 non-diseased limbs...
May 29, 2017: European Journal of Vascular and Endovascular Surgery
https://www.readbyqxmd.com/read/28544460/portable-oxygen-concentrators-versus-oxygen-cylinder-during-walking-in-interstitial-lung-disease-a-randomized-crossover-trial
#13
Yet H Khor, Christine F McDonald, Anita Hazard, Karen Symons, Glen Westall, Ian Glaspole, Nicole S L Goh, Anne E Holland
BACKGROUND AND OBJECTIVE: Ambulatory oxygen therapy is often provided to patients with interstitial lung disease (ILD). Lightweight portable oxygen concentrators (POCs) provide an alternative to traditional portable systems such as compressed oxygen cylinders; however, their efficacy in patients with ILD has not been assessed. This study aimed to evaluate the clinical performance of three ambulatory oxygen systems (two different POCs and a compressed oxygen cylinder) during 6-min walk tests (6MWTs) in patients with ILD and exertional desaturation...
May 23, 2017: Respirology: Official Journal of the Asian Pacific Society of Respirology
https://www.readbyqxmd.com/read/28528356/operating-room-fires-in-periocular-surgery
#14
Michael A Connor, Anne M Menke, Ivan Vrcek, John W Shore
AIM: A survey of ophthalmic plastic and reconstructive surgeons as well as seven-year data regarding claims made to the Ophthalmic Mutual Insurance Company (OMIC) is used to discuss operating room fires in periocular surgery. METHODS: A retrospective review of all closed claim operating room fires submitted to OMIC was performed. A survey soliciting personal experiences with operating room fires was distributed to all American Society of Oculoplastic and Reconstructive Surgeons...
May 20, 2017: International Ophthalmology
https://www.readbyqxmd.com/read/28520613/uric-acid-and-blood-pressure-exploring-the-role-of-uric-acid-production-in-the-maastricht-study
#15
Lieke E J M Scheepers, Annelies Boonen, Pieter C Dagnelie, Miranda T Schram, Carla J H van der Kallen, Ronald M A Henry, Abraham A Kroon, Coen D A Stehouwer, Ilja C W Arts
OBJECTIVE: Accumulation of reactive oxygen species by increased uric acid production has been suggested as a possible underlying mechanism for the association between uric acid and high blood pressure (BP). We, therefore, investigated the association between serum uric acid concentration 24-h urinary uric acid excretion, as proxy for uric acid production, and ambulatory 24-h BP and hypertension. METHODS: Cross-sectional analyses were conducted among 2555 individuals [52% men, mean age 60...
May 17, 2017: Journal of Hypertension
https://www.readbyqxmd.com/read/28476457/recognition-and-treatment-of-sleep-disordered-breathing-in-obese-hospitalized-patients-may-improve-survival-the-hosmed-database
#16
Sunil Sharma, Umer Mukhtar, Colleen Kelly, Paul Mather, Stuart F Quan
PURPOSE: Sleep disordered breathing is a common sleep disorder. Recent studies have shown that hospitalized obese patients have a high likelihood of unrecognized Sleep disordered breathing. However, no systematic large study has so far evaluated the outcomes of a screening program. This study provides demographic, clinical and outcome data from a screening program at a tertiary care academic center. METHODS: Subjects were 5062 patients screened from March 2013 to July 2016...
May 2, 2017: American Journal of Medicine
https://www.readbyqxmd.com/read/28454553/ambulatory-oxygen-in-fibrotic-lung-disease-ambox-study-protocol-for-a-randomised-controlled-trial
#17
Dina Visca, Vicky Tsipouri, Letizia Mori, Ashi Firouzi, Sharon Fleming, Morag Farquhar, Elizabeth Leung, Toby M Maher, Paul Cullinan, Nick Hopkinson, Athol U Wells, Winston Banya, Jennifer A Whitty, Huzaifa Adamali, Lisa G Spencer, Piersante Sestini, Elisabetta A Renzoni
BACKGROUND: Fibrotic interstitial lung diseases (ILDs) are chronic and often progressive conditions resulting in substantial morbidity and mortality. Shortness of breath, a symptom often linked to oxygen desaturation on exertion, is tightly linked to worsening quality of life in these patients. Although ambulatory oxygen is used empirically in their treatment, there are no ILD-specific guidelines on its use. To our knowledge, no studies are available on the effects of ambulatory oxygen on day-to-day life in patients with ILD...
April 28, 2017: Trials
https://www.readbyqxmd.com/read/28454510/home-oxygen-therapy-evidence-versus-reality
#18
F S Magnet, J H Storre, W Windisch
LTOT is a well-established treatment option for hypoxemic patients. Scientific evidence for its benefits of LTOT dates back to the 1980s, when two randomized controlled trials showed prolonged survival in COPD-patients undergoing LTOT for at least 15 hours/day. In contrast, the potential benefits of LTOT in non-COPD-patients has not been well researched and the recommendations for its application are primarily extrapolated from trials on COPD-patients. Recently, a large trial confirmed that COPD-patients who don't meet classic indication criteria, and have moderate desaturation at rest or during exercise, do not benefit from oxygen therapy...
June 2017: Expert Review of Respiratory Medicine
https://www.readbyqxmd.com/read/28438305/cardiovascular-response-to-recreational-hockey-in-middle-aged-men
#19
Zack A Goodman, Scott G Thomas, Robert C Wald, Jack M Goodman
The present study examined the hemodynamic response to recreational pick-up hockey relative to maximal exercise testing in middle-aged men. A total of 23 men with a mean age of 53 ± 7 years were studied. Graded exercise testing on a cycle ergometer determined maximal oxygen consumption, blood pressure (BP), and heart rate (HR). Ambulatory BP and Holter electrocardiographic monitoring was performed during one of their weekly hockey games (mean duration = 45 ± 7.2 minutes): for "On-Ice" responses (PLAY; data recorded while standing immediately after a shift; 8...
April 11, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/28405091/ambulatory-extracorporeal-membrane-oxygenation-with-subclavian-venoarterial-cannulation-to-increase-mobility-and-recovery-in-a-patient-awaiting-cardiac-transplantation
#20
Samuel Jacob, Juan C MacHannaford, Themistokles Chamogeorgakis, Gonzalo V Gonzalez-Stawinski, Joost Felius, Aldo E Rafael, Rajasekhar S Malyala, Brian Lima
Venoarterial extracorporeal membrane oxygenation (ECMO) can provide temporary cardiopulmonary support for patients in hemodynamic extremis or refractory heart failure until more durable therapies-such as cardiac transplantation or a left ventricular assist device-can be safely implemented. Conventional ECMO cannulation strategies commonly employ the femoral artery and vein, constraining the patients to the supine position for the duration of ECMO support. We have recently adopted a modified cannulation approach to promote patient mobility, rehabilitation, and faster recovery and to mitigate complications associated with femoral arterial cannulation, such as limb ischemia and compartment syndrome...
April 2017: Proceedings of the Baylor University Medical Center
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