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Peak expiratory pressure

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https://www.readbyqxmd.com/read/28640104/the-easytube-during-general-anesthesia-for-minor-surgery-a-randomized-controlled-trial
#1
Oliver Robak, Sonia Vaida, Luis Gaitini, Andreas Thierbach, Ricardo Urtubia, Peter Krafft, Michael Frass
BACKGROUND: The EasyTube (EzT) is a supraglottic airway device that is used for emergency airway situations. Ventilation during general anesthesia should also be feasible, but literature on the EzT is scarce. We evaluated the EzT in comparison with the endotracheal tube (ETT) in its use during general anesthesia in a comparative study. METHODS: A total of 400 patients with American Society of Anesthesiologists (ASA) physical status I to II scheduled for minor surgery in 4 centers were randomized for ventilation via the ETT or EzT...
June 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28635194/volitional-rehabilitative-assessments-in-patients-admitted-in-a-post-intensive-care-step-down-unit-a-feasibility-study
#2
Mara Paneroni, Francesco D' Abrosca, Georges Fokom, Laura Comini, Michele Vitacca
A high variability in functional tests and activities used during the pulmonary rehabilitation has been observed in post-intensive care unit (ICU) patients, and the best battery of tests to adopt has not been described yet. We tested in patients admitted in a post-ICU Step Down Unit the ability to perform the more frequent functional volitional tests. The relations of each single volitional test with general disability and dyspnea at discharge were also evaluated. Ten volitional tests including: bedside spirometry test (ST: FEV1%, FVC%), maximal inspiratory pressure (MIP), maximal expiratory pressure (MEP), Peak Expiratory Flow during Cough (PCEF), Quadriceps Muscle Strength (QMS), latissimus Dorsi and teres Major Strength (DMS), Brachial biceps Muscle Strength (BMS), effort tolerance measured by sit-to-stand test, Takahashi test and 6-Min Walking Test (6MWT), were evaluated in post-ICU patients at entry and discharge from in-hospital rehabilitation...
May 18, 2017: Monaldi Archives for Chest Disease, Archivio Monaldi Per le Malattie del Torace
https://www.readbyqxmd.com/read/28633157/epidemiology-practice-of-ventilation-and-outcome-for-patients-at-increased-risk-of-postoperative-pulmonary-complications-an-observational-study-in-29-countries
#3
(no author information available yet)
BACKGROUND: Limited information exists about the epidemiology and outcome of surgical patients at increased risk of postoperative pulmonary complications (PPCs), and how intraoperative ventilation was managed in these patients. OBJECTIVES: To determine the incidence of surgical patients at increased risk of PPCs, and to compare the intraoperative ventilation management and postoperative outcomes with patients at low risk of PPCs. DESIGN: This was a prospective international 1-week observational study using the 'Assess Respiratory Risk in Surgical Patients in Catalonia risk score' (ARISCAT score) for PPC for risk stratification...
June 20, 2017: European Journal of Anaesthesiology
https://www.readbyqxmd.com/read/28628045/cardio-respiratory-effects-of-air-pollution-in-a-panel-study-of-outdoor-physical-activity-and-health-in-rural-older-adults
#4
David M Stieb, Robin Shutt, Lisa Kauri, Sarah Mason, Li Chen, Mieczyslaw Szyszkowicz, Nina A Dobbin, Marc Rigden, Branka Jovic, Marie Mulholland, Martin S Green, Ling Liu, Guillaume Pelletier, Scott A Weichenthal, Robert E Dales, Isaac Luginaah
OBJECTIVE: To examine cardio-respiratory effects of air pollution in rural older adults exercising outdoors. METHODS: Adults 55 and over completed measurements of blood pressure, peak expiratory flow and oximetry daily, and of heart rate variability, endothelial function, spirometry, fraction of exhaled nitric oxide and urinary oxidative stress markers weekly, before and after outdoor exercise, for 10 weeks. Data were analyzed using linear mixed effect models. RESULTS: Pooled estimates combining 2013 (n = 36 participants) and 2014 (n = 41) indicated that an interquartile increase in the air quality health index (AQHI) was associated with a significant (P < 0...
April 2017: Journal of Occupational and Environmental Medicine
https://www.readbyqxmd.com/read/28625243/-experimental-study-on-effect-of-airway-pressure-on-cardiopulmonary-resuscitation
#5
Dingyu Tan, Feng Sun, Yangyang Fu, Shihuan Shao, Yazhi Zhang, Yingying Hu, Jun Xu, Huadong Zhu, Xuezhong Yu
OBJECTIVE: To observe the effect of different airway pressure on ventilation, organ perfusion and return of spontaneous circulation (ROSC) of cardiac arrest (CA) pigs during cardiopulmonary resuscitation (CPR), and to explore the possible beneficial mechanism of positive airway pressure during CPR. METHODS: Twenty healthy landrace pigs of clean grade were divided into low airway pressure group (LP group, n = 10) and high airway pressure group (HP group, n = 10) with random number table...
June 2017: Zhonghua Wei Zhong Bing Ji Jiu Yi Xue
https://www.readbyqxmd.com/read/28622568/per-protocol-investigation-of-a-best-practice-exercise-referral-scheme
#6
L Stewart, E Dolan, P Carver, P A Swinton
OBJECTIVES: To investigate the effects of an exercise referral scheme (ERS) aligned to the UK best practice guidelines on a range of outcomes including those associated with key health concerns of the Scottish population. STUDY DESIGN: A longitudinal design with data collection at three time points (baseline, midway and post) during a 12-week ERS intervention was employed. METHODS: Health-related physical fitness was assessed through measurement of resting heart rate, blood pressure, FEV1:FEV6 (ratio of forced expiratory volume over one [FEV1] and six [FEV6] seconds), body mass and peak oxygen uptake (VO2 peak), whilst functional capacity was assessed through the five times sit to stand test...
June 12, 2017: Public Health
https://www.readbyqxmd.com/read/28620310/abdominal-binding-improves-neuromuscular-efficiency-of-the-human-diaphragm-during-exercise
#7
Sara J Abdallah, David S Chan, Robin Glicksman, Cassandra T Mendonca, Yuanming Luo, Jean Bourbeau, Benjamin M Smith, Dennis Jensen
We tested the hypothesis that elastic binding of the abdomen (AB) would enhance neuromuscular efficiency of the human diaphragm during exercise. Twelve healthy non-obese men aged 24.8 ± 1.7 years (mean ± SE) completed a symptom-limited constant-load cycle endurance exercise test at 85% of their peak incremental power output with diaphragmatic electromyography (EMGdi) and respiratory pressure measurements under two randomly assigned conditions: unbound control (CTRL) and AB sufficient to increase end-expiratory gastric pressure (Pga,ee) by 5-8 cmH2O at rest...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28616282/pressure-controlled-versus-volume-controlled-ventilation-during-one-lung-ventilation-for-video-assisted-thoracoscopic-lobectomy
#8
Yi-Qi Zhu, Fang Fang, Xiao-Min Ling, Jian Huang, Jing Cang
BACKGROUND: It is controversial as to which ventilation mode is better during one-lung ventilation (OLV). This study was designed to figure out whether there was any difference between volume controlled ventilation (VCV) and pressure controlled ventilation (PCV) on oxygenation and postoperative complications under the condition of protective ventilation (PV). METHODS: Sixty-five patients undergoing video-assisted thoracoscopic lobectomy were randomized into two groups...
May 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28553094/effects-of-a-simple-prototype-respiratory-muscle-trainer-on-respiratory-muscle-strength-quality-of-life-and-dyspnea-and-oxidative-stress-in-copd-patients-a-preliminary-study
#9
Jirakrit Leelarungrayub, Decha Pinkaew, Rungthip Puntumetakul, Jakkrit Klaphajone
BACKGROUND: The aim of this study was to evaluate the efficiency of a simple prototype device for training respiratory muscles in lung function, respiratory muscle strength, walking capacity, quality of life (QOL), dyspnea, and oxidative stress in patients with COPD. METHODS: Thirty COPD patients with moderate severity of the disease were randomized into three groups: control (n=10, 6 males and 4 females), standard training (n=10, 4 males and 6 females), and prototype device (n=10, 5 males and 5 females)...
2017: International Journal of Chronic Obstructive Pulmonary Disease
https://www.readbyqxmd.com/read/28542443/effects-of-pressure-support-and-pressure-controlled-ventilation-on-lung-damage-in-a-model-of-mild-extrapulmonary-acute-lung-injury-with-intra-abdominal-hypertension
#10
Cintia L Santos, Raquel S Santos, Lillian Moraes, Cynthia S Samary, Nathane S Felix, Johnatas D Silva, Marcelo M Morales, Robert Huhle, Marcelo G Abreu, Alberto Schanaider, Pedro L Silva, Paolo Pelosi, Patricia R M Rocco
Intra-abdominal hypertension (IAH) may co-occur with the acute respiratory distress syndrome (ARDS), with significant impact on morbidity and mortality. Lung-protective controlled mechanical ventilation with low tidal volume and positive end-expiratory pressure (PEEP) has been recommended in ARDS. However, mechanical ventilation with spontaneous breathing activity may be beneficial to lung function and reduce lung damage in mild ARDS. We hypothesized that preserving spontaneous breathing activity during pressure support ventilation (PSV) would improve respiratory function and minimize ventilator-induced lung injury (VILI) compared to pressure-controlled ventilation (PCV) in mild extrapulmonary acute lung injury (ALI) with IAH...
2017: PloS One
https://www.readbyqxmd.com/read/28526665/the-sensor-study-protocol-for-a-mixed-methods-study-of-self-management-checks-to-predict-exacerbations-of-pseudomonas-aeruginosa-in-patients-with-long-term-respiratory-conditions
#11
Claire Roberts, Thomas L Jones, Samal Gunatilake, Will Storrar, Scott Elliott, Sharon Glaysher, Ben Green, Steven Rule, Carole Fogg, Ann Dewey, Kevin A Auton, Anoop J Chauhan
BACKGROUND: There are an estimated three million people in the United Kingdom with chronic obstructive pulmonary disease (COPD), and the incidence of bronchiectasis is estimated at around 0.1% but is more common in COPD and severe asthma. Both COPD and bronchiectasis are characterized by exacerbations in which bacteria play a central role. Pseudomonas aeruginosa is isolated from sputum samples from 4% to 15% of adults with COPD and is more likely to be isolated from patients with severe disease...
May 19, 2017: JMIR Research Protocols
https://www.readbyqxmd.com/read/28503465/correlation-of-serum-creatine-kinase-level-with-pulmonary-function-in-duchenne-muscular-dystrophy
#12
Eun Young Kim, Jang Woo Lee, Mi Ri Suh, Won Ah Choi, Seong Woong Kang, Hyeon Jun Oh
OBJECTIVE: To investigate the relationship between serum creatine kinase (CK) level and pulmonary function in Duchenne muscular dystrophy (DMD). METHODS: A total of 202 patients with DMD admitted to the Department of Rehabilitation Medicine, Gangnam Severance Hospital were enrolled from January 1, 1999 to March 31, 2015. Seventeen patients were excluded. Data collected from the 185 patients included age, height, weight, body mass index, pulmonary function tests including forced vital capacity (FVC), peak cough flow, maximal expiratory pressure (MEP), and maximal inspiratory pressure (MIP), and laboratory measurements (serum level of CK, CK-MB, troponin-T, and B-type natriuretic peptide)...
April 2017: Annals of Rehabilitation Medicine
https://www.readbyqxmd.com/read/28500413/impaired-pulmonary-function-is-an-additional-potential-mechanism-for-the-reduction-of-functional-capacity-in-clinically-stable-fontan-patients
#13
Aída L R Turquetto, Luiz F Canêo, Daniela R Agostinho, Patrícia A Oliveira, Maria Isabel C S Lopes, Patrícia F Trevizan, Frederico L A Fernandes, Maria A Binotto, Gabriela Liberato, Glaucia M P Tavares, Rodolfo A Neirotti, Marcelo B Jatene
Central factors negatively affect the functional capacity of Fontan patients (FP), but "non-cardiac" factors, such as pulmonary function, may contribute to their exercise intolerance. We studied the pulmonary function in asymptomatic FP and its correlations with their functional capacity. Pulmonary function and cardiopulmonary exercise tests were performed in a prospective study of 27 FP and 27 healthy controls (HC). Cardiovascular magnetic resonance was used to evaluate the Fontan circulation. The mean age at tests, the mean age at surgery, and the median follow-up time of FP were 20(±6), 8(±3), and 11(8-17) years, respectively...
May 12, 2017: Pediatric Cardiology
https://www.readbyqxmd.com/read/28497420/the-role-of-high-airway-pressure-and-dynamic-strain-on-ventilator-induced-lung-injury-in-a-heterogeneous-acute-lung-injury-model
#14
Sumeet V Jain, Michaela Kollisch-Singule, Joshua Satalin, Quinn Searles, Luke Dombert, Osama Abdel-Razek, Natesh Yepuri, Antony Leonard, Angelika Gruessner, Penny Andrews, Fabeha Fazal, Qinghe Meng, Guirong Wang, Louis A Gatto, Nader M Habashi, Gary F Nieman
BACKGROUND: Acute respiratory distress syndrome causes a heterogeneous lung injury with normal and acutely injured lung tissue in the same lung. Improperly adjusted mechanical ventilation can exacerbate ARDS causing a secondary ventilator-induced lung injury (VILI). We hypothesized that a peak airway pressure of 40 cmH2O (static strain) alone would not cause additional injury in either the normal or acutely injured lung tissue unless combined with high tidal volume (dynamic strain). METHODS: Pigs were anesthetized, and heterogeneous acute lung injury (ALI) was created by Tween instillation via a bronchoscope to both diaphragmatic lung lobes...
December 2017: Intensive Care Medicine Experimental
https://www.readbyqxmd.com/read/28458532/relationship-between-lung-function-and-grip-strength-in-older-hospitalized-patients-a-pilot-study
#15
Sarah J Holmes, Stephen C Allen, Helen C Roberts
OBJECTIVE: Older people with reduced respiratory muscle strength may be misclassified as having COPD on the basis of spirometric results. We aimed to evaluate the relationship between lung function and grip strength in older hospitalized patients without known airways disease. METHODS: Patients in acute medical wards were recruited who were aged ≥70 years; no history, symptoms, or signs of respiratory disease; Mini Mental State Examination ≥24; willing and able to consent to participate; and able to perform hand grip and forced spirometry...
2017: International Journal of Chronic Obstructive Pulmonary Disease
https://www.readbyqxmd.com/read/28457827/ventilation-distribution-assessed-with-electrical-impedance-tomography-and-the-influence-of-tidal-volume-recruitment-and-positive-end-expiratory-pressure-in-isoflurane-anesthetized-dogs
#16
Aline M Ambrosio, Tatiana P A Carvalho-Kamakura, Keila K Ida, Barbara Varela, Felipe S R M Andrade, Lara L Facó, Denise T Fantoni
OBJECTIVE: To examine the intrapulmonary gas distribution of low and high tidal volumes (VT) and to investigate whether this is altered by an alveolar recruitment maneuver (ARM) and 5 cmH2O positive end-expiratory pressure (PEEP) during anesthesia. STUDY DESIGN: Prospective randomized clinical study. ANIMALS: Fourteen client-owned bitches weighing 26 ± 7 kg undergoing elective ovariohysterectomy. METHODS: Isoflurane-anesthetized dogs in dorsal recumbency were ventilated with 0 cmH2O PEEP and pressure-controlled ventilation by adjusting the peak inspiratory pressure (PIP) to achieve a low (7 mL kg(-1); n = 7) or a high (12 mL kg(-1); n = 7) VT...
March 2017: Veterinary Anaesthesia and Analgesia
https://www.readbyqxmd.com/read/28442070/comparing-airways-clearance-techniques-in-chronic-obstructive-pulmonary-disease-and-bronchiectasis-positive-expiratory-pressure-or-temporary-positive-expiratory-pressure-a-retrospective-study
#17
Francesco D'Abrosca, Barbara Garabelli, Gloria Savio, Agnese Barison, Lorenzo Appendini, Luis V F Oliveira, Paola Baiardi, Bruno Balbi
BACKGROUND: Airway clearance techniques include positive expiratory pressure, commonly used in our clinical practice, and a recently introduced temporary positive expiratory pressure device called UNIKO(®). It is unclear which one provides the best benefit to patients. OBJECTIVES: The aim of this observational 4-year study was to retrospectively compare the efficacy of and specific indications for temporary positive expiratory pressure compared to positive expiratory pressure in a standard rehabilitation program...
January 2017: Brazilian Journal of Physical Therapy
https://www.readbyqxmd.com/read/28440860/doppler-ultrasonographic-measurement-of-short-term-effects-of-valsalva-maneuver-on-retrobulbar-blood-flow
#18
Sabit Kimyon, Ahmet Mete, Alper Mete, Duçem Mete
BACKGROUND: To investigate the effects of Valsalva maneuver (VM) on retrobulbar blood flow parameters in healthy subjects. METHODS: Participants without any ophthalmologic or systemic pathology were examined in supine position with color and pulsed Doppler imaging for blood flow measurement, via a paraocular approach, in the ophthalmic artery (OA), central retinal artery (CRA), central retinal vein (CRV), nasal posterior ciliary artery (NPCA), and temporal posterior ciliary artery (TPCA), 10 seconds after a 35- to 40-mm Hg expiratory pressure was reached...
April 25, 2017: Journal of Clinical Ultrasound: JCU
https://www.readbyqxmd.com/read/28427883/born-not-breathing-a-randomised-trial-comparing-two-self-inflating-bag-masks-during-newborn-resuscitation-in-tanzania
#19
Monica Thallinger, Hege Langli Ersdal, Fortunata Francis, Anita Yeconia, Estomih Mduma, Hussein Kidanto, Jørgen Erland Linde, Joar Eilevstjønn, Nina Gunnes, Ketil Størdal
AIMS: Effective ventilation is crucial to save non-breathing newborns. We compared standard equipment for newborn resuscitation to a new Upright bag, in an area with high neonatal mortality. METHODS: Newborns requiring resuscitation at Haydom Lutheran Hospital, Tanzania, were ventilated with 230ml standard or 320ml Upright bag-mask by weekly non-blinded block randomisation. A Laerdal Newborn Resuscitation Monitor collected ventilation data through a flow sensor between mask and bag and heart rate with electrocardiography electrodes...
July 2017: Resuscitation
https://www.readbyqxmd.com/read/28413273/intraoperative-low-tidal-volume-ventilation-strategy-has-no-benefits-during-laparoscopic-cholecystectomy
#20
Vandna Arora, Asha Tyagi, Surendra Kumar, Aanchal Kakkar, Shukla Das
BACKGROUND AND AIMS: Benefits of intraoperative low tidal volume ventilation during laparoscopic surgery are not conclusively proven, even though its advantages were seen in other situations with intraoperative respiratory compromise such as one-lung ventilation. The present study compared the efficacy of intraoperative low tidal volume ventilatory strategy (6 ml/kg along with positive end-expiratory pressure [PEEP] of 10 cmH2O) versus one with higher tidal volume (10 ml/kg with no PEEP) on various clinical parameters and plasma levels of interleukin (IL)-6 in patients undergoing laparoscopic cholecystectomy...
January 2017: Journal of Anaesthesiology, Clinical Pharmacology
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