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arterial blood gas review

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https://www.readbyqxmd.com/read/29346577/improved-success-rate-of-arterial-puncture-for-blood-gas-analysis-through-standardization
#1
Phillip R Jensen, Boaz A Markewitz
Background: Arterial puncture for blood gas analysis is a common procedure in hospitals. The aim of the study is to determine if standardizing technique elements of the arterial puncture process could improve the success rate of technicians through the full scope of an academic medical center. Methods: The study is conducted by the Blood Gas Laboratory at University of Utah Health's main campus. During the baseline period, technicians tallied whether arterial puncture attempts were successful or unsuccessful from December 2014 through February 2015...
January 13, 2018: Laboratory Medicine
https://www.readbyqxmd.com/read/29346176/rapid-response-to-scan-or-not-to-scan-the-utility-of-noncontrast-ct-head-for-altered-mental-status
#2
Purujit J Thacker, Mansha Sethi, Jonathan Sternlieb, Doron Schneider, Mary Naglak, Rajeshkumar R Patel
OBJECTIVES: The aims of the study were the following: (1) to determine how often computed tomography (CT) scans of the head are obtained on rapid responses called for altered mental status (AMS), (2) to determine whether CT imaging of the head is required during all rapid responses called for AMS, (3) to determine which patients would benefit from CT scans of the head in this setting, (4) to note whether an adequate neurologic exam was documented, (5) to determine the cost of CT scans that did not change management, and (6) to examine the role of medications leading to AMS...
January 17, 2018: Journal of Patient Safety
https://www.readbyqxmd.com/read/29342464/risk-factors-for-intraoperative-hypocapnia-in-pediatric-neurosurgical-patients-a-retrospective-cohort-study
#3
In-Kyung Song, Soolyoen Choi, Seohee Lee, Eun-Hee Kim, Ji-Hyun Lee, Hee-Soo Kim, Jin-Tae Kim
BACKGROUND: Hypocapnia has been associated with an increased risk and adverse outcomes in the injured brain. This study aimed to identify risk factors of intraoperative hypocapnia in pediatric neurosurgical patients when tidal volumes and respiratory rates were determined based on their weight and age, respectively. METHODS: Electronic medical records of pediatric patients (≤18 years) who underwent neurosurgery from December 2014 to January 2016 were retrospectively reviewed...
January 18, 2018: Pediatric Neurosurgery
https://www.readbyqxmd.com/read/29259074/trophoblast-lineage-specification-differentiation-and-their-regulation-by-oxygen-tension
#4
REVIEW
Ching-Wen Chang, Anna K Wakeland, Mana M Parast
Development of the early embryo takes place under low oxygen tension. Under such conditions, the embryo implants and the trophectoderm, the outer layer of blastocyst, proliferate, forming the cytotrophoblastic shell, the early placenta. The cytotrophoblasts (CTBs) are the so-called epithelial 'stem cells' of the placenta, which, depending on the signals they receive, can differentiate into either extravillous trophoblast (EVT) or syncytiotrophoblast (STB). EVTs anchor the placenta to the uterine wall and remodel maternal spiral arterioles in order to provide ample blood supply to the growing fetus...
January 2018: Journal of Endocrinology
https://www.readbyqxmd.com/read/29247112/protocol-for-a-randomised-pilot-multiple-centre-trial-of-conservative-versus-liberal-oxygenation-targets-in-critically-ill-children-oxy-picu
#5
Gareth A L Jones, Padmanabhan Ramnarayan, Sainath Raman, David Inwald, Michael P W Grocott, Simon Eaton, Samiran Ray, Michael J Griksaitis, John Pappachan, Daisy Wiley, Paul R Mouncey, Jerome Wulff, David A Harrison, Kathryn M Rowan, Mark J Peters
INTRODUCTION: Optimal targets for systemic oxygenation in paediatric critical illness are unknown. Observational data indicate that high levels of arterial oxygenation are associated with poor outcomes in resuscitation of the newborn and in adult critical illness. Within paediatric intensive care units (PICUs), staff prevent severe hypoxia wherever possible, but beyond this there is no consensus. Practice varies widely with age, diagnosis, treating doctor and local or national guidelines followed, though peripheral blood oxygen saturations (SpO2) of >95% are often targeted...
December 14, 2017: BMJ Open
https://www.readbyqxmd.com/read/29199768/invasive-versus-non-invasive-ventilation-for-acute-respiratory-failure-in-neuromuscular-disease-and-chest-wall-disorders
#6
REVIEW
Fang Luo, Djillali Annane, David Orlikowski, Li He, Mi Yang, Muke Zhou, Guan J Liu
BACKGROUND: Acute respiratory failure is a common life-threatening complication of acute onset neuromuscular diseases, and may exacerbate chronic hypoventilation in patients with neuromuscular disease or chest wall disorders. Standard management includes oxygen supplementation, physiotherapy, cough assistance, and, whenever needed, antibiotics and intermittent positive pressure ventilation. Non-invasive mechanical ventilation (NIV) via nasal, buccal or full-face devices has become routine practice in many centres...
December 4, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/29193717/is-venous-blood-gas-performed-in-the-emergency-department-predictive-of-outcome-during-acute-on-chronic-hypercarbic-respiratory-failure
#7
Lisa Domaradzki, Sahithi Gosala, Khaled Iskandarani, Andry Van de Louw
BACKGROUND: during acute on chronic hypercarbic respiratory failure (AHRF), arterial pH is associated with non-invasive ventilation (NIV) failure and mortality. Venous blood gas (VBG) has been proposed as a substitute for arterial blood gas, based on a good agreement between venous and arterial values. We assessed the predictive value of admission VBG on intubation rate, NIV failure and mortality during AHRF. METHODS: retrospective chart review of inpatients admitted between 2009 and 2015 with AHRF who had VBG performed on admission...
November 28, 2017: Clinical Respiratory Journal
https://www.readbyqxmd.com/read/29076474/-topical-respiratory-strategies-in-neurocritical-care
#8
M B Nazarenko, N M Kruglyakov, M S Semenov, M V Zabelin, Yu D Udalov, A S Samoylov, K A Popugaev
Management of the respiratory tract and maintenance of adequate gas exchange are the basic goals of critical care. Injury to the nervous system is often accompanied by development of respiratory disorders. On the other hand, changes in the gas composition of arterial blood can cause brain damage. In addition, approaches to the patient with respiratory failure, which are used in general critical care and neurocritical care, may differ. The presented literature review is devoted to modern respiratory strategies used in neurocritical care...
2017: Zhurnal Voprosy Neĭrokhirurgii Imeni N. N. Burdenko
https://www.readbyqxmd.com/read/29045954/-pulmonary-arterial-hypertension-as-leading-manifestation-of-methylmalonic-aciduria-clinical-characteristics-and-gene-testing-in-15-cases
#9
X Q Liu, H Yan, J X Qiu, C Y Zhang, J G Qi, X Zhang, H J Xiao, Y L Yang, Y H Chen, J B DU
OBJECTIVE: To deepen our understanding of Methylmalonic aciduria (MMA) associated pulmonary hypertension (PH) by analyzing the characteristics of clinical presentation, pulmonary high resolusion CT(HRCT), treatment response and gene mutation. METHODS: This study includes 15 cases of pediatric patients with MMA associated PH diagnosed and treated in Peking University First Hospital pediatric department between May 2012 and May 2016 with symptoms of PH as their leading presentation...
October 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/28931420/presence-of-periaortic-gas-in-clostridium-septicum-infected-aortic-aneurysm-aids-in-early-diagnosis-a-case-report-and-systematic-review-of-the-literature
#10
Fumihito Ito, Ryota Inokuchi, Akinori Matsumoto, Yoshibumi Kumada, Hideyuki Yokoyama, Tokiya Ishida, Katsuhiko Hashimoto, Masashi Narita, Kazuaki Shinohara
BACKGROUND: Clostridium septicum-infected aortic aneurysm is a fatal and rare disease. We present a fatal case of C. septicum-infected aortic aneurysm and a pertinent literature review with treatment suggestions for reducing mortality rates. CASE PRESENTATION: A 58-year-old Japanese man with an unremarkable medical history presented with a 3-day history of mild weakness in both legs, and experienced paraplegia and paresthesia a day before admission. Upon recognition of signs of an abdominal aortic aneurysm and paraplegia, we suspected an occluded Adamkiewicz artery and performed a contrast-enhanced computed tomography scan, which revealed an aortic aneurysm with periaortic gas extending from his chest to his abdomen and both kidneys...
September 21, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/28860164/the-endothelium-in-hypoxic-pulmonary-vasoconstriction
#11
Benjamin Grimmer, Wolfgang Michael Kuebler
Hypoxic pulmonary vasoconstriction (HPV) in combination with hypercapnic pulmonary vasoconstriction redistributes pulmonary blood flow from poorly aerated to better ventilated lung regions by an active process of local vasoconstriction. Impairment of HPV results in ventilation-perfusion mismatch and is commonly associated with various lung diseases including pneumonia, sepsis, or cystic fibrosis. Although several regulatory pathways have been identified, considerable knowledge gaps persist, and a unifying concept of the signaling pathways that underlie HPV and their impairment in lung diseases has not yet emerged...
August 31, 2017: Journal of Applied Physiology
https://www.readbyqxmd.com/read/28821378/pathogens-and-outcomes-in-pediatric-septic-shock-patients-supported-by-extracorporeal-membrane-oxygenation
#12
Tu-Hsuan Chang, En-Ting Wu, Chun-Yi Lu, Shu-Chien Huang, Tzu-I Yang, Ching-Chia Wang, Jong-Min Chen, Ping-Ing Lee, Li-Min Huang, Luan-Yin Chang
BACKGROUND: Refractory septic shock is the leading cause of mortality in children. There is limited evidence to support extracorporeal membrane oxygenation (ECMO) use in pediatric septic shock. We described the etiology and outcomes of septic patients in our institution and attempted to find predictive factors. METHODS: We retrospectively reviewed 55 pediatric patients with septic shock who required ECMO support in a tertiary medical center from 2008 to 2015. Septic shock was defined as culture proved or clinical suspected sepsis with hypotension or end-organ hypoperfusion...
August 4, 2017: Journal of Microbiology, Immunology, and Infection, Wei Mian Yu Gan Ran za Zhi
https://www.readbyqxmd.com/read/28803440/electrical-impedance-tomography-for-diagnosis-and-monitoring-of-pulmonary-function-disorders-in-the-intensive-care-unit-case-report-and-review-of-literature
#13
Szymon Białka, Maja Copik, Katarzyna Rybczyk, Hanna Misiołek
The aim of this paper is to describe the possibility of using Electrical Impedance Tomography (EIT) as a treatment monitoring tool in the ICU. It was based on case report and literature review. A 19-year-old female was admitted to ICU due to severe acute respiratory distress syndrome. Despite aggressive treatment there was no improvement. We decided to use EIT in the monitoring of treatment because of difficulties in transporting the patient to the radiology department in order to perform a control CT scan...
2017: Anaesthesiology Intensive Therapy
https://www.readbyqxmd.com/read/28791567/the-oxygen-reserve-index-ori-a-new-tool-to-monitor-oxygen-therapy
#14
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/28665857/open-craniosynostosis-surgery-effect-of-early-intraoperative-blood-transfusion-on-postoperative-course
#15
Nicole M Kurnik, Ruth Bristol, Celia Maneri, Raj Singhal, Davinder J Singh
Correction of craniosynostosis can result in blood loss when the patient already has physiologic anemia. The aim of this study was to determine whether patients benefit from early blood transfusion and whether the timing of blood transfusion affects metabolic disturbances and the postoperative course. In this retrospective review, 71 patients who underwent open calvarial vault remodeling for correction of craniosynostosis were separated into 2 groups according to whether they received blood transfusions early (within the first 30 minutes of surgery) or later (after the first 30 minutes of surgery)...
July 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28616377/blue-after-splenectomy
#16
Taaran Cariappa Ballachanda Subbaiah, Jeremy P Feldman
INTRODUCTION: We present a 51 year old, African American, female who presented with persistent hypoxemia. She had been taking dapsone for many years for prophylaxis against Pneumocystic Jiroveci with no symptoms but eventually developed methemoglobinemia only after a splenectomy. From our literature review there are no documented cases that have demonstrated this relationship between dapsone, splenic function and methemoglobin and we hope to share our perplexing case and shed light on the interaction...
2017: Respiratory Medicine Case Reports
https://www.readbyqxmd.com/read/28611051/sulfhaemoglobinaemia-caused-by-ferrous-sulfate
#17
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/28573250/the-use-of-rheum-palmatum-l-in-the-treatment-of-acute-respiratory-distress-syndrome-a-meta-analysis-of-randomized-controlled-trials
#18
Tie-Zhu Yang, Yan Liu, Yue-Yun Liu, Xiu-Fang Ding, Jia-Xu Chen, Mei-Jing Kou, Xiao-Juan Zou
BACKGROUND: Chinese medicine theory shows that "lung being connected with large intestine", and the modern western medicine also shows that the lung and intestinal tract affect each other in physiological and pathological conditions. If the lung ventilation dysfunction is caused by inflammatory exudate or secretions obstruction of the small airway ventilation, blood gas partial pressure is increased and intestinal gas absorption difficulty may lead to intestinal inflation and dysfunction (Wang N et al...
2017: African Journal of Traditional, Complementary, and Alternative Medicines: AJTCAM
https://www.readbyqxmd.com/read/28486894/a-snapshot-of-the-oxygenation-of-mechanically-ventilated-patients-in-one-australian-intensive-care-unit
#19
D Dennis, L Torre, S Baker, T Hebden-Todd
Hyperoxaemia in patients undergoing mechanical ventilation (MV) has been found to be an independent predictor of worse outcome and in-hospital mortality in some conditions. Data suggests that a fraction of inspired oxygen (FiO2) of 0.4 or lower may produce hyperoxaemia although it is commonly accepted without adjustment in ventilator settings. The primary aim of this study was to observe current practice at one Australian tertiary intensive care unit (ICU) with regard to prescription and titration of oxygen (O2) in patients undergoing MV, in particular whether they received higher FiO2 than required according to arterial blood gas (ABG) results, and whether there was FiO2 titration as a response to initial ABG results during the 12 hours following...
May 2017: Anaesthesia and Intensive Care
https://www.readbyqxmd.com/read/28439386/usefulness-of-clinical-prediction-rules-d-dimer-and-arterial-blood-gas-analysis-to-predict-pulmonary-embolism-in-cancer-patients
#20
Asifa Karamat, Shazia Awan, Muhammad Ghazanfar Hussain, Fahad Al Hameed, Faheem Butt, Ali Saeed Wahla
OBJECTIVES: Pulmonary embolism (PE) is seven times more common in cancer patients than non-cancer patients. Since the existing clinical prediction rules (CPRs) were validated predominantly in a non-cancer population, we decided to look at the utility of arterial blood gas (ABG) analysis and D-dimer in predicting PE in cancer patients. METHODS: Electronic medical records were reviewed between December 2005 and November 2010. A total of 177 computed tomography pulmonary angiograms (CTPAs) were performed...
March 2017: Oman Medical Journal
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