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Pulse oximetry

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https://www.readbyqxmd.com/read/28729473/automatic-versus-manual-oxygen-administration-in-the-emergency-department
#1
Erwan L'Her, Patricia Dias, Maelenn Gouillou, Anne Riou, Luc Souquiere, Nicolas Paleiron, Patrick Archambault, Pierre-Alexandre Bouchard, François Lellouche
Oxygen is commonly administered in hospitals, with poor adherence to treatment recommendations.We conducted a multicentre randomised controlled study in patients admitted to the emergency department requiring O2 ≥3 L·min(-1) Patients were randomised to automated closed-loop or manual O2 titration during 3 h. Patients were stratified according to arterial carbon dioxide tension (PaCO2 ) (hypoxaemic PaCO2 ≤45 mmHg; or hypercapnic PaCO2 >45-≤55 mmHg) and study centre. Arterial oxygen saturation measured by pulse oximetry (SpO2 ) goals were 92-96% for hypoxaemic, or 88-92% for hypercapnic patients...
July 2017: European Respiratory Journal: Official Journal of the European Society for Clinical Respiratory Physiology
https://www.readbyqxmd.com/read/28714076/the-target-value-of-oxygen-saturation-during-the-first-10-minutes-after-birth
#2
Yosuke Taguchi, Shigeharu Hosono, Kazunori Kayama, Ryota Kato, Kotaro Hine, Nobuhiko Nagano, Kayo Yoshikawa, Shigeru Takahashi, Shori Takahashi
BACKGROUND: During the neonatal resuscitation, careful oxygenation is needed. The use of pulse oximetry is recommended to evaluate the need for oxygenation, but it is not clear whether adequate peripheral perfusion is established to allow the evaluation of arterial oxygen saturation (SpO2). Additionally, there is no study of the changes in SpO2 immediately after birth in Japan, despite the indispensable need for definitive oxygenation criteria. METHODS: A prospective observational study was performed in neonates with gestational ages of 35-41 weeks...
July 17, 2017: Pediatrics International: Official Journal of the Japan Pediatric Society
https://www.readbyqxmd.com/read/28711570/anesthetic-management-of-reversible-cerebral-vasoconstriction-syndrome-a-case-report
#3
Hiroshi Hoshijima, Naoki Itoh, Yoshinori Iwase, Hiroshi Nagasaka
Reversible cerebral vasoconstriction syndrome (RCVS) is a group of disorders characterized by prolonged reversible cerebral vasoconstriction, associated with acute-onset, severe, episodic "thunderclap" headaches with or without other neurologic clinical features. We describe the first reported case, to our knowledge, of a patient with RCVS who was managed under general anesthesia in the field of oral and maxillofacial surgery. A 67-year-old woman with a diagnosis of RCVS made 2 months earlier was scheduled to undergo surgical extraction of the mandibular right third molar...
June 14, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28709822/occurrence-of-trigeminocardiac-reflex-during-dental-implant-surgery-an-observational-prospective-study
#4
James I-Sheng Huang, Hui-Chieh Yu, Yu-Chao Chang
BACKGROUND/PURPOSE: Trigeminocardiac reflex (TCR) is a clinical phenomenon that manifests as s sudden onset of hemodynamic perturbations. TCR has been reported in cranio-maxillofacial surgery resulting in severe medical risks. Monitoring the hemodynamic changes during cranio-maxillofacial surgery can provide important information to ensure the continuous evaluation of patient's physical conditions. This prospective observational study was conducted to determine the hemodynamic alterations related to the possibly of occurrence of TCR in patients during dental implant surgery...
July 11, 2017: Journal of the Formosan Medical Association, Taiwan Yi Zhi
https://www.readbyqxmd.com/read/28708639/pulp-vitality-of-maxillary-canines-after-alveolar-cleft-bone-grafting-pulse-oximetry-versus-electric-pulp-test-versus-cold-test
#5
Abbas Ali Khademi, Maryam Montazeri Shahtouri, Bijan Movahedian Attar, Niloofar Rikhtegaran
OBJECTIVES: Assessment of pulp vitality is necessary prior to any dental treatment. The purpose of this study was to assess pulp vitality of bilateral canines in unilateral cleft patients following alveolar bone graft surgery using pulse oximetry, electrical pulp test, and cold test. METHODS: This analytical, cross-sectional study was conducted on canines of 20 unilateral cleft patients who had alveolar bone graft surgery. Pulp vitality of canines was evaluated postoperatively by pulse oximetry, electrical pulp test, and cold test...
July 13, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28702841/comparison-of-ketamine-and-ketofol-for-deep-sedation-and-analgesia-in-children-undergoing-laser-procedure
#6
Marija Stevic, Nina Ristic, Ivana Budic, Nebojsa Ladjevic, Branislav Trifunovic, Ivan Rakic, Marko Majstorovic, Ivana Burazor, Dusica Simic
The aim of our study was to research and evaluate cardiovascular and respiratory stability, clinical efficacy, and safety of two different anesthetic agents in pediatric patients who underwent Pulse dye (wavelength 595 nm, pulse duration 0-40 ms, power 0-40 J) and CO2 (wavelength 10,600 nm, intensity-fraxel mod with SX index 4 to 8, power 0-30 W) laser procedure. This prospective non-blinded study included 203 pediatric patients ASA I-II, aged between 1 month and 12 years who underwent short-term procedural sedation and analgesia for the laser procedure...
July 12, 2017: Lasers in Medical Science
https://www.readbyqxmd.com/read/28699887/upward-trend-of-dapsone-induced-methemoglobinemia-in-renal-transplant-community%C3%A2
#7
Sohail Abdul Salim, Lakshmi Ramachandran Nair, Venkataraman Palabindala, Iasmina Craici
Dapsone, a sulfone antibiotic, is used for prophylaxis of Pneumocystis jirovecii pneumonia in patients with documented sulfa allergy. Acquired methemoglobinemia caused by dapsone is not uncommon in patients with normal glucose-6-phosphate dehydrogenase (G6PD) levels. Discrepancy between oxygen saturation measured by pulse oximetry and arterial oxygen saturation (SpO2) readings, a phenomenon known as "saturation gap," is noted with cases of methemoglobinemia. Although its prevalence in renal transplant patients is poorly described, there is evidence that its incidence is increasing...
July 12, 2017: Clinical Nephrology
https://www.readbyqxmd.com/read/28697164/the-use-safety-and-efficacy-of-olanzapine-in-a-level-i-pediatric-trauma-center-emergency-department-over-a-10-year-period
#8
Jon B Cole, Lauren R Klein, Ashley M Strobel, Stephane R Blanchard, Rebecca Nahum, Marc L Martel
OBJECTIVES: Olanzapine is a second-generation antipsychotic increasingly used in emergency medicine for many indications. Literature on its use in children is sparse. Our objectives were to describe the use, safety, and efficacy of olanzapine in pediatric emergency patients. METHODS: A structured chart review was performed of patients 18 years old or younger receiving olanzapine from 2007 to 2016 in the emergency department of a pediatric level I trauma center. RESULTS: A total of 285 children received olanzapine...
July 11, 2017: Pediatric Emergency Care
https://www.readbyqxmd.com/read/28685462/triarylmethyl-radical-ox063d24-oximetry-electron-spin-relaxation-at-250-mhz-and-rf-frequency-dependence-of-relaxation-and-signal-to-noise
#9
Yilin Shi, Richard W Quine, George A Rinard, Laura Buchanan, Sandra S Eaton, Gareth R Eaton, Boris Epel, Simone Wanless Seagle, Howard J Halpern
The triarylmethyl radical OX063d24 is currently used for pulsed electron paramagnetic resonance oximetry at 250 MHz. Both 1/T 1 and 1/T 2 increase with increasing oxygen concentration. The dependence of 1/T 1 on probe concentration is smaller than for 1/T 2. To inform the selection of the optimum frequency for in vivo oximetry 1/T 1, 1/T 2 and signal-to-noise were measured as a function of frequency between 400 and 1000 MHz on a variable-frequency spectrometer with an adjustable-frequency cross-loop resonator...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/28682951/preoperatively-screened-obstructive-sleep-apnea-is-associated-with-worse-postoperative-outcomes-than-previously-diagnosed-obstructive-sleep-apnea
#10
Ana Fernandez-Bustamante, Karsten Bartels, Claudia Clavijo, Benjamin K Scott, Rachel Kacmar, Kenneth Bullard, Angela F D Moss, William Henderson, Elizabeth Juarez-Colunga, Leslie Jameson
BACKGROUND: Obstructive sleep apnea (OSA) affects up to 26% of US adults, is often undiagnosed, and increases perioperative morbidity. We hypothesized that patients screened on the day of surgery as moderate/high risk for OSA (S-OSA) present similar perioperative respiratory complications, hospital use, and mortality than patients with previously diagnosed OSA (D-OSA). Second, we hypothesized that both OSA groups have more respiratory complications than No-OSA patients. METHODS: The electronic medical database from 1 academic and 2 community hospitals was retrospectively queried to identify adults undergoing nonemergent inpatient surgery (January 1, 2012, to December 31, 2014)...
August 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28679359/bilateral-thoracic-paravertebral-block-for-immediate-postoperative-pain-relief-in-the-pacu-a-prospective-observational-study
#11
Fei Liu, HuanKai Zhang, Yunxia Zuo
BACKGROUND: To investigate the feasibility, effectiveness and safety of bilateral thoracic paravertebral block (TPVB) in the post anesthesia care unit (PACU) for pain relief in participants after laparotomy. METHODS: A single shot of bilateral TPVB with 25 ml of 0.2% ropivacaine and 5 mg dexamethasone in combination for both sides at the 8th thoracic transverse level (T8) was performed on 201 participants who complained moderate to severe pain on arrival to PACU after laparotomy...
July 5, 2017: BMC Anesthesiology
https://www.readbyqxmd.com/read/28675950/endovascular-treatment-of-dialysis-access-induced-hand-ischemia-using-a-flared-stent-graft
#12
Chien Yi M Png, William E Beckerman, Peter L Faries, David J Finlay
PURPOSE: To report an investigation of a purely endovascular procedure to address access-induced hand ischemia in dialysis patients. CASE REPORT: Two dialysis patients presented with stage III steal syndrome consisting of severe pain and numbness in their fingers. Preoperative fistulograms distal to the anastomosis showed alternating antegrade and retrograde flow. Under ultrasound guidance, the fistula was accessed and a 4-F micropuncture sheath placed. An angled guidewire was then advanced proximally into the brachial artery...
July 1, 2017: Journal of Endovascular Therapy
https://www.readbyqxmd.com/read/28672762/critical-congenital-heart-disease-screening-with-a-pulse-oximetry-in-neonates
#13
Şahin Hamilçıkan, Emrah Can
OBJECTIVE: To compare the results of pulse oximetry screening for critical congenital heart disease (CCHD) in newborn infants performed at <24 h and >24 h following. METHOD: Measurements were taken for each group at <24 h and >24 h following birth. Echocardiography was performed if the SpO2 readings remained abnormal results. RESULTS: A total of 4518 newborns were included in this prospective descriptive study. Of these, 2484 (60...
June 27, 2017: Journal of Perinatal Medicine
https://www.readbyqxmd.com/read/28669372/observational-study-on-safety-of-prehospital-bls-cpap-in-dyspnea
#14
Novneet Sahu, Patrick Matthews, Kathryn Groner, Mia A Papas, Ross Megargel
Introduction Continuous positive airway pressure (CPAP) improves outcomes in patients with respiratory distress. Additional benefits are seen with CPAP application in the prehospital setting. Theoretical safety concerns regarding Basic Life Support (BLS) providers using CPAP exist. In Delaware's (USA) two-tiered Emergency Medical Service (EMS) system, BLS often arrives before Advanced Life Support (ALS). Hypothesis This study fills a gap in literature by evaluating the safety of CPAP applied by BLS prior to ALS arrival...
July 3, 2017: Prehospital and Disaster Medicine
https://www.readbyqxmd.com/read/28667196/patient-safety-during-procedural-sedation-using-capnography-monitoring-a-systematic-review-and-meta-analysis
#15
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/28667190/3-lead-electrocardiogram-is-more-reliable-than-pulse-oximetry-to-detect-bradycardia-during-stabilisation-at-birth-of-very-preterm-infants
#16
Beatriz Iglesias, Marí A José Rodrí Guez, Esther Aleo, Enrique Criado, Jose Martí Nez-Orgado, Luis Arruza
OBJECTIVES: Current neonatal resuscitation guidelines suggest the use of ECG in the delivery room (DR) to assess heart rate (HR). However, reliability of ECG compared with pulse oximetry (PO) in a situation of bradycardia has not been specifically investigated. The objective of the present study was to compare HR monitoring using ECG or PO in a situation of bradycardia (HR <100 beats per minute (bpm)) during preterm stabilisation in the DR. STUDY DESIGN: Video recordings of resuscitations of infants <32 weeks of gestation were reviewed...
June 30, 2017: Archives of Disease in Childhood. Fetal and Neonatal Edition
https://www.readbyqxmd.com/read/28666588/perioperative-management-of-obstructive-sleep-apnea-in-bariatric-surgery-a-consensus-guideline
#17
Christel A L de Raaff, Marguerite A W Gorter-Stam, Nico de Vries, Ashish C Sinha, H Jaap Bonjer, Frances Chung, Usha K Coblijn, Albert Dahan, Rick S van den Helder, Antonius A J Hilgevoord, David R Hillman, Michael P Margarson, Samer G Mattar, Jan P Mulier, Madeline J L Ravesloot, Beata M M Reiber, Anne-Sophie van Rijswijk, Preet Mohinder Singh, Roos Steenhuis, Mark Tenhagen, Olivier M Vanderveken, Johan Verbraecken, David P White, Nicole van der Wielen, Bart A van Wagensveld
BACKGROUND: The frequency of metabolic and bariatric surgery (MBS) is increasing worldwide, with over 500,000 cases performed every year. Obstructive sleep apnea (OSA) is present in 35%-94% of MBS patients. Nevertheless, consensus regarding the perioperative management of OSA in MBS patients is not established. OBJECTIVES: To provide consensus based guidelines utilizing current literature and, when in the absence of supporting clinical data, expert opinion by organizing a consensus meeting of experts from relevant specialties...
March 30, 2017: Surgery for Obesity and related Diseases: Official Journal of the American Society for Bariatric Surgery
https://www.readbyqxmd.com/read/28660556/the-effect-of-endothelin-receptor-antagonists-in-patients-with-eisenmenger-syndrome-a-systematic-review
#18
REVIEW
Abdelrahman Elshafay, Duy Hieu Truong, Mohamed M AboElnas, Hossam Idrees, Hatem G Metwali, Nguyen Lam Vuong, Omar Ahmed Saad, Kenji Hirayama, Nguyen Tien Huy
INTRODUCTION: The efficacy of endothelin receptor antagonists (ERAs) in the management of Eisenmenger syndrome (ES) remains controversial. The aim of this study is to systemically review the safety and effects of ERAs in improving the quality of life and basic cardiac functions of these patients. METHODS: Twelve databases were searched, including PubMed, Web of Science, Scopus, Virtual Health Library, World Health Organization (WHO) Global Health Library, Google Scholar, POPLINE, Systems for Information of Grey Literature in Europe, New York Academy of Medicine, ClinicalTrials...
June 28, 2017: American Journal of Cardiovascular Drugs: Drugs, Devices, and Other Interventions
https://www.readbyqxmd.com/read/28658134/treprostinil-for-persistent-pulmonary-hypertension-of-the-newborn-with-early-onset-sepsis-in-preterm-infant-2-case-reports
#19
Bo Young Park, Sung-Hoon Chung
RATIONALE: Persistent pulmonary hypertension of the newborn (PPHN) is a syndrome of failed circulatory adaptation at birth with persisting increased pulmonary vascular resistance that is associated with high mortality rates especially in preterm infants. PATIENT CONCERNS: We reported 2 cases of PPHN in preterm infants with respiratory distress syndrome and early onset sepsis refractory to therapy with vasopressors, inotropes, and inhaled nitric oxide (iNO), in whom treatment with treprostinil was successful...
June 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28651978/changes-in-cerebral-oxygenation-in-preterm-infants-with-progressive-posthemorrhagic-ventricular-dilatation
#20
Michael Kochan, Jacob McPadden, William T Bass, Tushar Shah, Wendy T Brown, Gary W Tye, Turaj Vazifedan
BACKGROUND: Optimal timing of intervention in neonatal progressive posthemorrhagic hydrocephalus is often a difficult decision. Unchecked hydrocephalus can lead to irreversible brain injury through impaired perfusion, while placement of a shunt is not without long-term morbidity. The purpose of this study was to assess the use of near-infrared spectroscopy to measure changes in regional cerebral oxygen saturation as an indicator of cerebral perfusion in infants with progressive posthemorrhagic ventricular dilatation...
May 25, 2017: Pediatric Neurology
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