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https://www.readbyqxmd.com/read/29077327/pulse-co-oximetry-in-prehospital-care
#1
EDITORIAL
Cesáreo Álvarez Rodríguez, Manuel José Vázquez Lima
No abstract text is available yet for this article.
February 2017: Emergencias
https://www.readbyqxmd.com/read/29077293/-characteristics-of-emergency-poisoning-cases-in-elderly-versus-younger-patients
#2
August Supervía Caparrós, Oriol Pallàs Villaronga, Carlos Clemente Rodríguez, María Dolores Aranda Cárdenas, María Pi-Figueras Valls, Isabel Cirera Lorenzo
OBJECTIVES: To compare cases of poisoning according to age to detect differences in frequency of visits to the emergency department, patient characteristics, case management, and immediate outcome in terms of related mortality. MATERIAL AND METHODS: Descriptive study of a retrospective series of patients who visited a university hospital emergency department for treatment of poisoning between 2009 and 2014. We collected patient characteristics and data related to the event, case management, and poisoning-related death...
October 2017: Emergencias
https://www.readbyqxmd.com/read/29067213/assessment-of-clinical-application-of-pulse-oximetry-probes-in-llamas-and-alpacas
#3
Tamara L Grubb, David E Anderson
The placement and accuracy of pulse oximeter probes can vary markedly among species. For our study, we aimed to assess the accuracy of pulse oximetry and to determine the most clinically useful sites for probe placement in llamas and alpacas. The objectives included an analysis of pulse oximetry probes for accurate assessment of llamas and alpacas and to determine the best placement of the probes to achieve accurate readings. For study 1, saturation of haemoglobin with oxygen was measured in 184 arterial blood gas samples (SaO2) using a co-oximeter and compared to saturation of haemoglobin with oxygen simultaneously measured using a pulse oximeter (SpO2)...
August 2017: Veterinary Medicine and Science
https://www.readbyqxmd.com/read/28969436/acquired-methemoglobinemia-after-hydroxocobalamin-administration-in-a-patient-with-burns-and-inhalation-injury
#4
Alisha Z Jiwani, Vikhyat S Bebarta, Leopoldo C Cancio
CONTEXT: Hydroxocobalamin is an effective cyanide antidote. While erythema, hypertension, and chromaturia are recognized side effects, methemoglobinemia has not been reported. Methemoglobin levels are most accurately measured by co-oximetry. We describe an extensively burned patient who developed methemoglobinemia within an hour of hydroxocobalamin administration. CASE DETAILS: A 47-year old man without genetic deficiencies or abnormal hemoglobin variants presented with 61% body surface area thermal burns and grade 1 inhalation injury sustained during a tugboat engine explosion...
October 3, 2017: Clinical Toxicology
https://www.readbyqxmd.com/read/28963729/long-term-treatment-with-methylene-blue-in-a-dog-with-hereditary-methemoglobinemia-caused-by-cytochrome-b5-reductase-deficiency
#5
J A Jaffey, M R Harmon, N A Villani, E K Creighton, G S Johnson, U Giger, J R Dodam
A juvenile male mixed breed dog was presented for lethargy, exercise intolerance, and aggression when touched on the head. Cyanosis, tachycardia, and tachypnea were observed and persisted during oxygen supplementation. Arterial blood gas analysis by co-oximetry identified an increased methemoglobin concentration (27%; normal, <2%) with normal arterial oxygen tension. The methemoglobinemia and associated clinical signs resolved after administration of methylene blue (1 mg/kg) IV, and the dog was discharged...
September 29, 2017: Journal of Veterinary Internal Medicine
https://www.readbyqxmd.com/read/28923611/cerebral-oximetry-as-an-auxiliary-diagnostic-tool-in-the-diagnosis-of-brain-death
#6
O Tatli, O Bekar, M Imamoglu, O Gonenc Cekic, A Aygun, U Eryigit, Y Karaca, A Sahin, S Turkmen, S Turedi
AIM: To investigate the efficacy of cerebral oximetry (CO) as an auxiliary diagnostic tool in brain death (BD). MATERIALS AND METHODS: This observational case-control study was performed on patients with suspected BD. Patients with diagnosis of BD confirmed by the brain death committee were enrolled as the BD group and other patients as the non-BD group. CO monitoring was performed at least 6 h, and cerebral tissue oxygen saturation (ScO2) parameters were compared...
October 2017: Transplantation Proceedings
https://www.readbyqxmd.com/read/28816101/measurement-of-total-hemoglobin-reduces-red-cell-transfusion-in-hospitalized-patients-undergoing-cardiac-surgery-a-retrospective-database-analysis
#7
Christopher Craver, Kathy W Belk, Gerard J Myers
INTRODUCTION: Historically, perioperative hemoglobin monitoring has relied on calculated saturation, using blood gas devices that measure plasma hematocrit (Hct). Co-oximetry, which measures total hemoglobin (tHb), yields a more comprehensive assessment of hemodilution. The purpose of this study was to examine the association of tHb measurement by co-oximetry and Hct, using conductivity with red blood cell (RBC) transfusion, length of stay (LOS) and inpatient costs in patients having major cardiac surgery...
August 1, 2017: Perfusion
https://www.readbyqxmd.com/read/28807985/inhaled-carbon-monoxide-from-toxin-to-therapy
#8
Dean R Hess
Carbon monoxide (CO) is usually recognized as a toxic gas that can be used to assess lung function in the pulmonary function laboratory. The toxicity of CO relates to its high affinity for hemoglobin and other heme molecules, producing carboxyhemoglobin (HbCO). Despite that blood HbCO levels are commonly measured in patients with CO poisoning, the clinical presentation often does not correlate with the HbCO level, and clinical improvement in the patient's condition does not correlate with HbCO clearance. In patients with CO poisoning, administration of 100% O2 is standard practice...
October 2017: Respiratory Care
https://www.readbyqxmd.com/read/28791567/the-oxygen-reserve-index-ori-a-new-tool-to-monitor-oxygen-therapy
#9
REVIEW
T W L Scheeren, F J Belda, A Perel
Supplemental oxygen is administered in the vast majority of patients in the perioperative setting and in the intensive care unit to prevent the potentially deleterious effects of hypoxia. On the other hand, the administration of high concentrations of oxygen may induce hyperoxia that may also be associated with significant complications. Oxygen therapy should therefore be precisely titrated and accurately monitored. Although pulse oximetry has become an indispensable monitoring technology to detect hypoxemia, its value in assessing the oxygenation status beyond the range of maximal arterial oxygen saturation (SpO2 ≥97%) is very limited...
August 8, 2017: Journal of Clinical Monitoring and Computing
https://www.readbyqxmd.com/read/28688566/dysphagia-in-healthy-children-characteristics-and-management-of-a-consecutive-cohort-at-a-tertiary-centre
#10
Orysya Svystun, Wendy Johannsen, Rabin Persad, Justine M Turner, Carina Majaesic, Hamdy El-Hakim
OBJECTIVE: Whereas the literature is replete with reports on complex children with dysphagia (DP), the parameters characterizing non-neurologically impaired (NNI) children have been underreported, leaving a substantial knowledge gap. We set to characterize a consecutive cohort of NNI children, their management, and outcomes. METHODS: We undertook a retrospective case series. Children (<18 years old) attending a tertiary multidisciplinary swallowing clinic were eligible...
August 2017: International Journal of Pediatric Otorhinolaryngology
https://www.readbyqxmd.com/read/28611051/sulfhaemoglobinaemia-caused-by-ferrous-sulfate
#11
Laith Derbas, Mohamed Warsame, Mohannad Abu Omar, Yousaf Zafar, Gregory Howell
A 78-year-old man was referred from his primary care clinic to the emergency department due to bluish discolouration of his lips and decreased oxygen saturation on pulse oximetry. The patient was asymptomatic. Physical exam was normal except for lip cyanosis. A CT pulmonary angiogram was negative for pulmonary embolism. Arterial blood gas (ABG) analysis with co-oximetry showed low oxyhaemoglobin, normal partial pressure of oxygen and methaemoglobinaemia, but an unexplained 'gap' in total haemoglobin saturation...
June 13, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28610543/does-diathermy-smoke-contaminate-processed-salvaged-blood-in-cardiac-surgery
#12
Katherine R Hulme, Jon van den Burg
INTRODUCTION: A cell salvage device is used in cardiac surgery with the aim of reducing allogeneic blood transfusion. Suction of blood from the operating field used for the device is often accompanied by diathermy smoke. There is limited published research to know if this blood is then contaminated with clinically significant levels of harmful chemicals from this smoke. Postoperative cardiac surgery patients are already physiologically vulnerable, making the optimization of salvaged blood worth considering...
June 1, 2017: Perfusion
https://www.readbyqxmd.com/read/28599970/cerebral-near-infrared-spectroscopy-insensitively-detects-low-cerebral-venous-oxygen-saturations-after-stage-1-palliation
#13
Erin Rescoe, Xiaoqi Tang, Dorothy Alison Perry, Lynn A Sleeper, James A DiNardo, Barry D Kussman, John N Kheir
BACKGROUND: Measurement of cerebral venous oxyhemoglobin saturation (ScvO2) is considered a gold standard in assessing the adequacy of tissue oxygen delivery (DO2) after the stage 1 palliation (S1P), with SvO2 <30% often representing severely compromised DO2. Regional oxygenation index (rSO2) based on near-infrared resonance spectroscopy (NIRS) frequently is used to screen for compromised DO2, although its sensitivity to detect severe abnormalities in SvO2 is uncertain. METHODS: ScvO2 was measured by co-oximetry from the internal jugular vein as clinically indicated in 73 neonates after S1P...
September 2017: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28514318/cerebral-oxygen-saturation-in-children-with-congenital-heart-disease-and-chronic-hypoxemia
#14
Barry D Kussman, Peter C Laussen, Paul B Benni, Francis X McGowan, Doff B McElhinney
BACKGROUND: Increased hemoglobin (Hb) concentration accompanying hypoxemia is a compensatory response to maintain tissue oxygen delivery. Near infrared spectroscopy (NIRS) is used clinically to detect abnormalities in the balance of cerebral tissue oxygen delivery and consumption, including in children with congenital heart disease (CHD). Although NIRS-measured cerebral tissue O2 saturation (ScO2) correlates with arterial oxygen saturation (SaO2), jugular bulb O2 saturation (SjbO2), and Hb, little data exist on the interplay between these factors and cerebral O2 extraction (COE)...
July 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28479021/what-keeps-children-with-cystic-fibrosis-awake-at-night
#15
Moya Vandeleur, Lisa M Walter, David S Armstrong, Philip Robinson, Gillian M Nixon, Rosemary S C Horne
BACKGROUND: Sleep disturbance is common in children with cystic fibrosis (CF) however there are limited studies investigating the causes for poor sleep quality. In a cross sectional observational study we aimed to evaluate the clinical correlates of sleep disturbance in this population. METHODS: Children with CF (7-18years) free from pulmonary exacerbation completed medical review, overnight oximetry, the OSA-18 and 14days of actigraphy recordings with a sleep diary...
May 4, 2017: Journal of Cystic Fibrosis: Official Journal of the European Cystic Fibrosis Society
https://www.readbyqxmd.com/read/28476166/predictors-of-failure-of-dise-directed-adenotonsillectomy-in-children-with-sleep-disordered-breathing
#16
Noura Alsufyani, Andre Isaac, Manisha Witmans, Paul Major, Hamdy El-Hakim
BACKGROUND: Adenotonsillectomy (AT) is the most commonly performed procedure for sleep disordered breathing (SDB) in pediatrics. However, 20-40% of patients will have persistent signs and symptoms of SDB after AT. Drug-induced sleep endoscopy (DISE) has the potential to individualize surgical treatments and avoid unnecessary or unsuccessful surgeries. The objective of this study was to determine the predictors of failure of DISE-directed adenoidectomy and/or tonsillectomy in otherwise healthy children with SDB...
May 5, 2017: Journal of Otolaryngology—Head & Neck Surgery
https://www.readbyqxmd.com/read/28374103/a-validation-method-for-near-infrared-spectroscopy-based-tissue-oximeters-for-cerebral-and-somatic-tissue-oxygen-saturation-measurements
#17
Paul B Benni, David MacLeod, Keita Ikeda, Hung-Mo Lin
We describe the validation methodology for the NIRS based FORE-SIGHT ELITE(®) (CAS Medical Systems, Inc., Branford, CT, USA) tissue oximeter for cerebral and somatic tissue oxygen saturation (StO2) measurements for adult subjects submitted to the United States Food and Drug Administration (FDA) to obtain clearance for clinical use. This validation methodology evolved from a history of NIRS validations in the literature and FDA recommended use of Deming regression and bootstrapping statistical validation methods...
April 3, 2017: Journal of Clinical Monitoring and Computing
https://www.readbyqxmd.com/read/28362526/by-expanding-the-color-palette-co-oximetry-overcomes-some-but-not-all-of-the-uncommon-limitations-of-pulse-oximetry
#18
Nirav R Bhakta
No abstract text is available yet for this article.
April 2017: Annals of the American Thoracic Society
https://www.readbyqxmd.com/read/28356083/limitations-and-opportunities-of-whole-blood-bilirubin-measurements-by-gem-premier-4000%C3%A2
#19
Li Wang, Arianne Y K Albert, Benjamin Jung, Keyvan Hadad, Martha E Lyon, Melanie Basso
BACKGROUND: Neonatal hyperbilirubinemia has traditionally been screened by either total serum bilirubin or transcutaneous bilirubin. Whole blood bilirubin (TwB) by the GEM Premier 4000® blood gas analyzer (GEM) is a relatively new technology and it provides fast bilirubin results with a small sample volume and can measure co-oximetry and other analytes. Our clinical study was to evaluate the reliability of TwB measured by the GEM and identify analytical and clinical factors that may contribute to possible bias...
March 29, 2017: BMC Pediatrics
https://www.readbyqxmd.com/read/28350859/correlation-between-clinical-severity-and-different-non-invasive-measurements-of-carbon-monoxide-concentration-a-population-study
#20
Thomas Hullin, Jerome Aboab, Kristell Desseaux, Sylvie Chevret, Djillali Annane
OBJECTIVES: Carbon monoxide (CO) poisoning is a major concern in industrialized countries. Each year, thousands of victims, resulting in approximately 100 fatalities, are encountered in France. The diagnosis of CO poisoning is challenging; while carboxyhemoglobin (COHb) may be useful, it is a weak indicator of the severity of CO poisoning. This weak indicator may be a result of the delay between poisoning occurrence and the blood assay. Two apparatuses, CO oximeters and exhaled CO analyzers, now permit COHb to be determined outside hospitals...
2017: PloS One
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