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Mechanical chest compression

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https://www.readbyqxmd.com/read/28203436/chest-physiotherapy-in-mechanically-ventilated-patients-without-pneumonia-a-narrative-review
#1
REVIEW
Herbert D Spapen, Jouke De Regt, Patrick M Honoré
A beneficial adjuvant role of chest physiotherapy (CPT) to promote airway clearance, alveolar recruitment, and ventilation/perfusion matching in mechanically ventilated (MV) patients with pneumonia or relapsing lung atelectasis is commonly accepted. However, doubt prevails regarding the usefulness of applying routine CPT in MV subjects with no such lung diseases. In-depth narrative review based on a literature search for prospective randomized trials comparing CPT with a non-CPT strategy in adult patients ventilated for at least 48 h...
January 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28198552/cortical-spreading-depolarizations-in-the-postresuscitation-period-in-a-cardiac-arrest-male-rat-model
#2
Frederik Boe Hansen, Niels Secher, Morten Skovgaard Jensen, Leif Østergaard, Else Tønnesen, Asger Granfeldt
Neurological injury develops over days following cardiac arrest (CA); however, the exact mechanisms remain unknown. After stroke or trauma, the progression of neurological injury is associated with cortical-spreading depolarizations (CSDs). The objective was to investigate whether CA and subsequent resuscitation in rats are associated with 1) the development of spontaneous negative direct current (DC) shifts indicative of CSDs, and 2) changes in artificially induced CSDs in the postresuscitation period. Male Sprague-Dawley rats were randomized into four groups: 1) CA 90, 2) Control 90, 3) CA 360, and 4) Control 360...
February 15, 2017: Journal of Neuroscience Research
https://www.readbyqxmd.com/read/28187154/comparison-of-different-inspiratory-triggering-settings-in-automated-ventilators-during-cardiopulmonary-resuscitation-in-a-porcine-model
#3
Dingyu Tan, Jun Xu, Shihuan Shao, Yangyang Fu, Feng Sun, Yazhi Zhang, Yingying Hu, Joseph Walline, Huadong Zhu, Xuezhong Yu
BACKGROUND: Mechanical ventilation via automated in-hospital ventilators is quite common during cardiopulmonary resuscitation. It is not known whether different inspiratory triggering sensitivity settings of ordinary ventilators have different effects on actual ventilation, gas exchange and hemodynamics during resuscitation. METHODS: 18 pigs enrolled in this study were anaesthetized and intubated. Continuous chest compressions and mechanical ventilation (volume-controlled mode, 100% O2, respiratory rate 10/min, and tidal volumes 10ml/kg) were performed after 3 minutes of ventricular fibrillation...
2017: PloS One
https://www.readbyqxmd.com/read/28168185/optimal-chest-compression-rate-and-compression-to-ventilation-ratio-in-delivery-room-resuscitation-evidence-from-newborn-piglets-and-neonatal-manikins
#4
REVIEW
Anne Lee Solevåg, Georg M Schmölzer
Cardiopulmonary resuscitation (CPR) duration until return of spontaneous circulation (ROSC) influences survival and neurologic outcomes after delivery room (DR) CPR. High quality chest compressions (CC) improve cerebral and myocardial perfusion. Improved myocardial perfusion increases the likelihood of a faster ROSC. Thus, optimizing CC quality may improve outcomes both by preserving cerebral blood flow during CPR and by reducing the recovery time. CC quality is determined by rate, CC to ventilation (C:V) ratio, and applied force, which are influenced by the CC provider...
2017: Frontiers in Pediatrics
https://www.readbyqxmd.com/read/28120018/-surgical-treatment-of-achalasia-endoscopic-or-laparoscopic-proposal-for-a%C3%A2-tailored-approach
#5
B H A von Rahden, J Filser, M Al-Nasser, C-T Germer
Primary idiopathic achalasia is the most common form of the rare esophageal motility disorders. A curative therapy which restores the normal motility does not exist; however, the therapeutic principle of cardiomyotomy according to Ernst Heller leads to excellent symptom control in the majority of cases. The established standard approach is Heller myotomy through the laparoscopic route (LHM), combined with Dor anterior fundoplication for reflux prophylaxis/therapy. At least four meta-analyses of randomized controlled trials (RCTs) have demonstrated superiority of LHM over pneumatic dilation (PD); therefore, LHM should be used as first line therapy (without prior PD) in all operable patients...
January 24, 2017: Der Chirurg; Zeitschrift Für Alle Gebiete der Operativen Medizen
https://www.readbyqxmd.com/read/28040384/circulatory-collapse-right-ventricular-dilatation-and-alveolar-dead-space-a-triad-for-the-rapid-diagnosis-of-massive-pulmonary-embolism
#6
Raúl J Gazmuri, Dimple J Patel, Rom Stevens, Shani Smith
A triad of circulatory collapse, right ventricular dilatation, and large alveolar dead space is proposed for the rapid diagnosis and treatment of massive pulmonary embolism. A 17year-old female on oral contraceptives collapsed at home becoming incoherent with shallow breathing. Paramedics initiated mechanical chest compression and transported the patient to our emergency department, arriving minimally responsive with undetectable blood pressure but having positive corneal reflexes and bradycardia with wide QRS...
December 16, 2016: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/27998838/emergency-percutaneous-implantation-of-veno-arterial-extracorporeal-membrane-oxygenation-in-the-catheterisation-laboratory
#7
Tomaz Goslar, Rihard Knafelj, Peter Radsel, Misa Fister, Alenka Golicnik, Klemen Steblovnik, Vojka Gorjup, Marko Noc
AIMS: Our aim was to describe our protocol for emergency percutaneous implantation of femoral veno-arterial extracorporeal membrane oxygenation (VA ECMO) in the catheterisation laboratory and to compare its effectiveness and safety with implantation in the intensive care unit and the operating room. METHODS AND RESULTS: Our retrospective observational study enrolled 56 consecutive patients undergoing VA ECMO implantation in the catheterisation laboratory (n=23), the intensive care unit (n=8) and the operating room (n=25)...
December 20, 2016: EuroIntervention
https://www.readbyqxmd.com/read/27987159/a-novel-nonlinear-mathematical-model-of-thoracic-wall-mechanics-during-cardiopulmonary-resuscitation-based-on-a-porcine-model-of-cardiac-arrest
#8
Ali Jalali, Allan F Simpao, Vinay M Nadkarni, Robert A Berg, C Nataraj
Cardiopulmonary resuscitation (CPR) is used widely to rescue cardiac arrest patients, yet some physiological aspects of the procedure remain poorly understood. We conducted this study to characterize the dynamic mechanical properties of the thorax during CPR in a swine model. This is an important step toward determining optimal CPR chest compression mechanics with the goals of improving the fidelity of CPR simulation manikins and ideally chest compression delivery in real-life resuscitations. This paper presents a novel nonlinear model of the thorax that captures the complex behavior of the chest during CPR...
February 2017: Journal of Medical Systems
https://www.readbyqxmd.com/read/27970299/tct-134-mechanical-chest-compressions-as-a-bridge-to-percutaneous-extracorporeal-life-support-increase-return-of-spontaneous-circulation-in-patients-with-cardiac-arrest
#9
Joseph Venturini, Elizabeth Retzer, Raider Estrada, Janet Friant, David Beiser, Dana Edelson, Jonathan Paul, John Blair, Sandeep Nathan, Atman Shah
No abstract text is available yet for this article.
November 1, 2016: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/27935015/extracorporeal-cardiopulmonary-resuscitation-after-out-of-hospital-cardiac-arrest-in-a-danish-health-region
#10
J Fjølner, J Greisen, M R S Jørgensen, C J Terkelsen, L B Ilkjaer, T M Hansen, H Eiskjaer, S Christensen, J Gjedsted
BACKGROUND: Extracorporeal Cardiopulmonary Resuscitation (ECPR) has emerged as a feasible rescue therapy for refractory, normothermic out-of-hospital cardiac arrest (OHCA). Reported survival rates vary and comparison between studies is hampered by heterogeneous study populations, differences in bystander intervention and in pre-hospital emergency service organisation. We aimed to describe the first experiences, treatment details, complications and outcome with ECPR for OHCA in a Danish health region...
February 2017: Acta Anaesthesiologica Scandinavica
https://www.readbyqxmd.com/read/27918847/left-ventricular-compressions-improve-hemodynamics-in-a-swine-model-of-out-of-hospital-cardiac-arrest
#11
Kenton L Anderson, Maria G Castaneda, Susan M Boudreau, Danny J Sharon, Vikhyat S Bebarta
INTRODUCTION: We hypothesized that chest compressions located directly over the left ventricle (LV) would improve hemodynamics, including coronary perfusion pressure (CPP), and return of spontaneous circulation (ROSC) in a swine model of cardiac arrest. METHODS: Transthoracic echocardiography (echo) was used to mark the location of the aortic root and the center of the left ventricle on animals (n = 26) which were randomized to receive chest compressions in one of the two locations...
December 5, 2016: Prehospital Emergency Care
https://www.readbyqxmd.com/read/27886777/characteristics-of-patients-who-are-not-resuscitated-in-out-of-hospital-cardiac-arrests-and-opportunities-to-improve-community-response-to-cardiac-arrest
#12
S Rajagopal, C R Kaye, R Lall, C D Deakin, S Gates, H Pocock, T Quinn, N Rees, M Smyth, G D Perkins
AIM: This study explores why resuscitation is withheld when emergency medical staff arrive at the scene of a cardiac arrest and identifies modifiable factors associated with this decision. METHODS: This is a secondary analysis of unselected patients who sustained an out of hospital cardiac arrest attended by ambulance vehicles participating in a randomized controlled trial of a mechanical chest compression device (PARAMEDIC trial). Patients were categorized as 'non-resuscitation' patients if there was a do-not-attempt-cardiopulmonary-resuscitation (DNACPR) order, signs unequivocally associated with death or resuscitation was deemed futile (15min had elapsed since collapse with no bystander-CPR and asystole recorded on EMS arrival)...
December 2016: Resuscitation
https://www.readbyqxmd.com/read/27851300/1665-a-shocking-case-of-a-lucas-mechanical-chest-compression-device-during-cardiac-arrest
#13
Lekshmi Santhosh, James Frank
No abstract text is available yet for this article.
December 2016: Critical Care Medicine
https://www.readbyqxmd.com/read/27795903/effects-of-pressure-controlled-and-volume-controlled-ventilation-on-respiratory-mechanics-and-systemic-stress-response-during-prone-position
#14
Oznur Sen, Mefkur Bakan, Tarik Umutoglu, Nurdan Aydın, Mehmet Toptas, Ibrahim Akkoc
BACKGROUND: Prone position during general anesthesia for special surgical operations may be related with increased airway pressure, decreased pulmonary and thoracic compliance that may be explained by restriction of chest expansion and compression of abdomen. The optimum ventilation mode for anesthetized patients on prone position was not described and studies comparing volume-controlled ventilation (VCV) and pressure-controlled ventilation (PCV) during prone position are limited. We hypothesized that PCV instead of VCV during prone position could achieve lower airway pressures and reduce the systemic stress response...
2016: SpringerPlus
https://www.readbyqxmd.com/read/27774445/ecls-in-pediatric-cardiac-patients
#15
REVIEW
Matteo Di Nardo, Graeme MacLaren, Marco Marano, Corrado Cecchetti, Paola Bernaschi, Antonio Amodeo
Extracorporeal life support (ECLS) is an important device in the management of children with severe refractory cardiac and or pulmonary failure. Actually, two forms of ECLS are available for neonates and children: extracorporeal membrane oxygenation (ECMO) and use of a ventricular assist device (VAD). Both these techniques have their own advantages and disadvantages. The intra-aortic balloon pump is another ECLS device that has been successfully used in larger children, adolescents, and adults, but has found limited applicability in smaller children...
2016: Frontiers in Pediatrics
https://www.readbyqxmd.com/read/27773376/is-forgoing-chemical-venous-thromboembolism-prophylaxis-for-women-undergoing-breast-conserving-surgery-for-breast-cancer-safe
#16
Samer G Zammar, Barbara A Pockaj, Chee Chee Stucky, Nabil Wasif, Richard J Gray
BACKGROUND: Cancer patients have a 4 to 7 fold increased risk of venous thromboembolism (VTE) vs the normal population. Chest guidelines recommend no chemical VTE prophylaxis for women with a <1.5% risk for VTE. Although the risk of VTE among women undergoing breast-conserving therapy is reported to be low overall, the rate without chemical prophylaxis has not been defined. The objective of the study was to establish the VTE risk among women undergoing breast-conserving surgery (BCS) who did not receive chemical VTE prophylaxis...
December 2016: American Journal of Surgery
https://www.readbyqxmd.com/read/27756513/cpr-using-the-lifeline-arm-mechanical-chest-compression-device-a-randomized-crossover-manikin-trial
#17
Lukasz Szarpak, Zenon Truszewski, Lukasz Czyzewski, Michael Frass, Oliver Robak
INTRODUCTION: European Resuscitation Council as well as American Heart Association guidelines for cardiopulmonary resuscitation (CPR) stress the importance of uninterrupted and effective chest compressions (CCs). Manual CPR decreases in quality of CCs over time because of fatigue which impacts outcome. We report the first study with the Lifeline ARM automated CC device for providing uninterrupted CCs. METHODS: Seventy-eight paramedics participated in this randomized, crossover, manikin trial...
January 2017: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/27752864/adherence-to-thromboprophylaxis-guidelines-in-elderly-patients-with-hospital-acquired-venous-thromboembolism-a-case-control-study
#18
Jason Suh, Amishi Desai, Anish Desai, Josephine Dela Cruz, Anusiyanthan Mariampillai, Alexander Hindenburg
Venous thromboembolism (VTE) remains the number one preventable cause of hospital acquired mortality and morbidity. Each year, more than 12 million patients are at risk for VTE. The delivery of appropriate and timely VTE prophylaxis is still suboptimal in many healthcare institutions and can lead to increased readmissions, morbidity, as well as costs. To clarify this issue further, we performed a retrospective case control study at our institution to determine if poor adherence to the VTE prophylaxis guidelines could lead to an increase in VTE events...
October 17, 2016: Journal of Thrombosis and Thrombolysis
https://www.readbyqxmd.com/read/27749539/a-huge-saccular-aortic-aneurysm-compressing-right-coronary-artery-7-years-after-aortic-valve-replacement-due-to-bicuspid-aortic-valve-insufficiency-a-rare-case-report
#19
Sang Min Park, Haemin Jeong, Kyung-Soon Hong, Christopher Kim
BACKGROUND: In a patient underwent aortic valve replacement (AVR) due to bicuspid aortic valve (BAV) insufficiency without marked dilation of ascending aorta, the development of delayed-typed aneurysmal complication of ascending aorta has been often reported because the dilated aorta tends to grow insidiously with age. CASE SUMMARY: A 58-year-old man who underwent AVR with mechanical valve due to severe aortic regurgitation secondary to BAV 7 years previously presented with exertional chest discomfort for 1 year...
October 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27737774/exploring-the-safety-and-efficacy-of-targeted-temperature-management-amongst-infants-with-out-of-hospital-cardiac-arrest-due-to-apparent-life-threatening-events
#20
Kathleen Meert, Russell Telford, Richard Holubkov, Beth S Slomine, James R Christensen, J Michael Dean, Frank W Moler
OBJECTIVE: To explore the safety and efficacy of targeted temperature management amongst infants with out-of-hospital cardiac arrest due to an apparent life threatening event (ALTE) recruited to the Therapeutic Hypothermia after Paediatric Cardiac Arrest Out-of-Hospital trial. METHODS: Fifty-four infants (48h to <1year of age) with ALTE who received chest compressions for ≥2min, were comatose, and required mechanical ventilation after return of circulation were included...
December 2016: Resuscitation
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