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Oxygen therapy safety

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https://www.readbyqxmd.com/read/28518049/red-blood-cell-storage-time-and-transfusion-current-practice-concerns-and-future-perspectives
#1
REVIEW
María García-Roa, María Del Carmen Vicente-Ayuso, Alejandro M Bobes, Alexandra C Pedraza, Ataúlfo González-Fernández, María Paz Martín, Isabel Sáez, Jerard Seghatchian, Laura Gutiérrez
Red blood cells (RBCs) units are the most requested transfusion product worldwide. Indications for transfusion include symptomatic anaemia, acute sickle cell crisis, and acute blood loss of more than 30% of the blood volume, with the aim of restoring tissue oxygen delivery. However, stored RBCs from donors are not a qualitative equal product, and, in many ways, this is a matter of concern in the transfusion practice. Besides donor-to-donor variation, the storage time influences the RBC unit at the qualitative level, as RBCs age in the storage bag and are exposed to the so-called storage lesion...
May 2017: Blood Transfusion, Trasfusione del Sangue
https://www.readbyqxmd.com/read/28515176/acute-exercise-does-not-impair-renal-function-in-non-dialysis-chronic-kidney-disease-patients-regardless-of-disease-stage
#2
Davi Alves de Santana, Jacques R Poortmans, Egidio L Dorea, Juliana Bannwart de Andrade Machado, Alan L Fernandes, Ana Lúcia de Sá Pinto, Bruno Gualano, Hamilton Roschel
Exercise has been overlooked as a potential therapy in chronic kidney disease (CKD), mainly due to a lack of understanding on its safety aspects. Notably, there is no data on renal function after exercise in CKD considering its stages. We investigated the acute effects of a 30-minute moderate-intensity aerobic exercise bout on glomerular filtration rate (GFR) and albuminuria in twenty-two non-dialysis CKD patients divided into: CKD stages 1 and 2 (CKD1-2) and; CKD stages 3 and 4 (CKD3-4). Eleven body mass index-, age-, and sex-matched healthy individuals served as control (CON)...
May 17, 2017: American Journal of Physiology. Renal Physiology
https://www.readbyqxmd.com/read/28502971/targeting-the-keap1-nrf2-system-to-prevent-kidney-disease-progression
#3
Masahiro Nezu, Norio Suzuki, Masayuki Yamamoto
BACKGROUND: Nuclear factor erythroid 2-related factor 2 (NRF2) is a critical transcription factor for the antioxidative stress response and it activates a variety of cytoprotective genes related to redox and detoxification. NRF2 activity is regulated by the oxidative-stress sensor molecule Kelch-like ECH-associated protein 1 (KEAP1) that induces proteasomal degradation of NRF2 through ubiquitinating NRF2 under unstressed conditions. Because oxidative stress is a major pathogenic and aggravating factor for kidney diseases, the KEAP1-NRF2 system has been proposed to be a therapeutic target for renal protection...
May 13, 2017: American Journal of Nephrology
https://www.readbyqxmd.com/read/28493985/photodynamic-antimicrobial-chemotherapy-with-the-novel-amino-acid-porphyrin-conjugate-4i-in-vitro-and-in-vivo-studies
#4
Yao Yuan, Zi-Quan Liu, Heng Jin, Shi Sun, Tian-Jun Liu, Xue Wang, Hao-Jun Fan, Shi-Ke Hou, Hui Ding
Photodynamic antimicrobial chemotherapy (PACT), as a novel and effective therapeutic modality to eradicate drug resistant bacteria without provoking multidrug resistance, has attracted increasing attention. This study examined the antimicrobial efficacy of the novel cationic amino acid-porphyrin conjugate 4I with four lysine groups against two different clinical isolated strains (drug sensitive and multidrug resistant) of the Acinetobacter baumannii species and its toxicity on murine dermal fibroblasts in vitro, as well as the therapeutic effect of PACT on acute, potentially lethal multidrug resistant strain excisional wound infections in vivo...
2017: PloS One
https://www.readbyqxmd.com/read/28487415/randomized-comparison-of-helmet-cpap-versus-high-flow-nasal-cannula-oxygen-in-pediatric-respiratory-distress
#5
Giovanna Vitaliti, Maria Concetta Vitaliti, Maria Carla Finocchiaro, Vita Antonella Di Stefano, Piero Pavone, Nassim Matin, Nazgol Motamed-Gorji, Riccardo Lubrano, Raffaele Falsaperla
BACKGROUND: The current study aimed to compare the efficacy and safety of 2 noninvasive respiratory support methods, which included helmet CPAP and high-flow nasal cannula (HFNC) in children with respiratory distress admitted to a pediatric intermediate care unit. METHODS: This study was a prospective observational study conducted on children with respiratory distress (age 1-24 months) who were admitted to our acute and emergency operative unit. All included subjects were randomly treated with helmet CPAP or HFNC in a 1:1 fashion until their clinical picture, oxygen saturation, and arterial blood gas (ABG) parameters resolved...
May 9, 2017: Respiratory Care
https://www.readbyqxmd.com/read/28441053/evaluation-of-oxygen-administration-with-a-high-flow-nasal-cannula-to-clinically-normal-dogs
#6
Jennifer L Daly, Christine L Guenther, Jamie M Haggerty, Iain Keir
OBJECTIVE To evaluate the safety and efficacy of oxygen administration by use of a high-flow nasal cannula (HFNC) in sedated clinically normal dogs. ANIMALS 6 healthy adult dogs undergoing routine dental prophylaxis. PROCEDURES Dogs were sedated with butorphanol tartrate and dexmedetomidine. An esophageal balloon catheter was inserted into the esophagus, a double-pronged nasal cannula was inserted into the nares, and a catheter was inserted into the dorsal pedal artery. Dogs were positioned in right lateral recumbency...
May 2017: American Journal of Veterinary Research
https://www.readbyqxmd.com/read/28440519/-prevention-diagnosis-and-treatment-of-perioperative-complications-of-bariatric-and-metabolic-surgery
#7
Haifu Wu, Ming Zhong, Di Zhou, Chenye Shi, Heng Jiao, Wei Wu, Xinxia Chang, Jing Cang, Hua Bian
Surgical operation in treating obesity and type 2 diabetes is popularizing rapidly in China. Correct prevention and recognition of perioperation-related operative complications is the premise of ensuring surgical safety. Familiar complications of the operation include deep venous thrombosis, pulmonary artery embolism, anastomotic bleeding, anastomotic fistula and marginal ulcer. The prevention of deep venous thrombosis is better than treatment. The concrete measures contain physical prophylaxis (graduated compression stocking and intermittent pneumatic compression leg sleeves) and drug prophylaxis (unfractionated heparin and low molecular heparin), and the treatment is mainly thrombolysis or operative thrombectomy...
April 25, 2017: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/28436720/efficacy-and-safety-of-statins-and-exercise-combination-therapy-compared-to-statin-monotherapy-in-patients-with-dyslipidaemia-a-systematic-review-and-meta-analysis
#8
Ya-Jun Gui, Cai-Xiu Liao, Qiong Liu, Yuan Guo, Tao Yang, Jing-Yuan Chen, Ya-Ting Wang, Jia-Hui Hu, Dan-Yan Xu
Background Statin treatment in association with physical exercise can substantially reduce mortality in dyslipidaemic individuals. However, the available data to compare the efficacy and safety of statins and exercise combination therapy with statin monotherapy are limited. Design Systematic review and meta-analysis. Methods We systematically searched PubMed, Embase and the Cochrane Library from database inception until December 2016. We included randomised and non-randomised studies that compared the efficacy and safety of statins and exercise combination therapy with statin monotherapy in patients with dyslipidaemia...
January 1, 2017: European Journal of Preventive Cardiology
https://www.readbyqxmd.com/read/28418782/knockdown-of-il-8-provoked-premature-senescence-of-placenta-derived-mesenchymal-stem-cells
#9
Juan-Juan Li, Feng-Xia Ma, You-Wei Wang, Fang Chen, Shi-Hong Lu, Ying Chi, Wen-Jing Du, Bao-Quan Song, Liang-Ding Hu, Hu Chen, Zhong-Chao Han
Mesenchymal stem cells (MSCs) have shown promise for use in cell therapy, and due to their tumor tropism can serve as vehicles for delivering therapeutic agents to tumor sites. Because interleukin-8 (IL-8) is known to mediate the protumor effect of MSCs, elimination of IL-8 secretion by MSCs may enhance their safety for use in cancer gene therapy. However, little is known concerning the effect of endogenously secreted IL-8 on MSCs. We performed studies using placenta-derived MSCs (PMSCs) to determine whether knockdown of IL-8 would influence their biological activity...
April 18, 2017: Stem Cells and Development
https://www.readbyqxmd.com/read/28417485/tumor-microenvironment-triggered-supramolecular-system-as-an-in-situ-nanotheranostic-generator-for-cancer-phototherapy
#10
Chengchao Chu, Huirong Lin, Heng Liu, Xiaoyong Wang, Junqing Wang, Pengfei Zhang, Haiyan Gao, Chao Huang, Yun Zeng, Yuanzhi Tan, Gang Liu, Xiaoyuan Chen
The efficacy of photosensitizers in cancer phototherapy is often limited by photobleaching, low tumor selectivity, and tumor hypoxia. Assembling photosensitizers into nanostructures can improve photodynamic therapy efficacy and the safety profile of photosensitizers. Herein by employing supramolecular assembly, enhanced theranostic capability of Mn(2+) -assisted assembly of a photosensitizer (sinoporphyrin sodium, DVDMS) is demonstrated. A tumor environment-triggered coassembly strategy is further developed to form Mn/DVDMS nanotheranostics (nanoDVD) for cancer phototherapy...
April 18, 2017: Advanced Materials
https://www.readbyqxmd.com/read/28410116/hyperbaric-oxygenation-for-resuscitation-and-therapy-of-elderly-patients-with-cerebral-and-cardio-respiratory-dysfunction
#11
Gennady G Rogatsky, Ilia Stambler
Hyperbaric oxygenation therapy (HBOT) has been gaining an increasing recognition as a versatile therapeutic approach. This article reviews the application of hyperbaric oxygenation as a method for resuscitation and therapy of elderly patients with cerebral and cardio-respiratory dysfunction, in acute as compared to chronic impairments. The vital role of proper dosage of HBO therapy to ensure both the efficacy and safety of the treatment is emphasized. We argue that in the acute stages of brain and cardiorespiratory impairment, the adequate hyperbaric oxygen dose is the most important condition for obtaining maximum therapeutic effect, due to the powerful anti-hypoxic capabilities of this method...
June 1, 2017: Frontiers in Bioscience (Scholar Edition)
https://www.readbyqxmd.com/read/28403842/outcomes-of-autologous-bone-marrow-mononuclear-cells-for-cerebral-palsy-an-open-label-uncontrolled-clinical-trial
#12
Liem Thanh Nguyen, Anh Tuan Nguyen, Chinh Duy Vu, Doan V Ngo, Anh V Bui
BACKGROUND: Stem cell therapy has emerged as a promising method for improving motor function of patients with cerebral palsy. The aim of this study is to assess the safety and effectiveness of autologous bone marrow mononuclear stem cell transplantation in patients with cerebral palsy related to oxygen deprivation. METHODS: An open label uncontrolled clinical trial was carried out at Vinmec International Hospital. The intervention consisted of two administrations of stem cells, the first at baseline and the second 3 months later...
April 12, 2017: BMC Pediatrics
https://www.readbyqxmd.com/read/28403830/effectiveness-of-progressive-resistive-exercise-pre-in-the-context-of-hiv-systematic-review-and-meta-analysis-using-the-cochrane-collaboration-protocol
#13
REVIEW
Kelly K O'Brien, Anne-Marie Tynan, Stephanie A Nixon, Richard H Glazier
BACKGROUND: HIV is increasingly considered a chronic illness. More individuals are living longer and aging with the health-related consequences associated with HIV and multi-morbidity. Exercise is a self-management approach that can promote health for people aging with HIV. We examined the safety and effectiveness of progressive resistive exercise (PRE) interventions on immunological, virological, cardiorespiratory, strength, weight, body composition, and psychological outcomes in adults living with HIV...
April 12, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28357836/safety-of-hyperbaric-oxygen-therapy-in-mechanically-ventilated-patients
#14
Jacques Bessereau, Jérôme Aboab, Thomas Hullin, Anne Huon-Bessereau, Jean-Luc Bourgeois, Pierre-Marie Brun, Sylvie Chevret, Djillali Annane
BACKGROUND: To evaluate the epidemiology of patients who require mechanical ventilation during hyperbaric oxygen therapy. MATERIALS AND METHODS: One-hundred-fifty patients who required mechanical ventilation during hyperbaric oxygen therapy were prospectively studied during a 6-year period in a French university hyperbaric centre. We analysed the indication of hyperbaric oxygen therapy, agent used for sedation, presence of a chest tube, need for vasopressor agents and tolerance and appearance of side effects...
2017: International Maritime Health
https://www.readbyqxmd.com/read/28341867/a-safe-procedure-for-connecting-a-continuous-renal-replacement-therapy-device-into-an-extracorporeal-membrane-oxygenation-circuit
#15
Natsumi Suga, Yosuke Matsumura, Ryuzo Abe, Noriyuki Hattori, Taka-Aki Nakada, Shigeto Oda
Patients receiving extracorporeal membrane oxygenation (ECMO) often require continuous renal replacement therapy (CRRT). The intra-circuit pressure of adult ECMO usually deviates from the physiological range. We investigated the use of CRRT connected to an ECMO circuit with physiological intra-circuit pressures (0-150 mmHg, defined as the "safety range") using an in vitro experiment involving a water-filled ECMO circuit. The intra-circuit pressure pre-pump, post-pump, and post-oxygenator were measured while varying the height of the pump or ECMO flow...
March 24, 2017: Journal of Artificial Organs: the Official Journal of the Japanese Society for Artificial Organs
https://www.readbyqxmd.com/read/28338304/hyberbaric-oxygen-as-sole-treatment-for-severe-radiation-induced-haemorrhagic-cystitis
#16
Athanasios Dellis, Athanasios Papatsoris, Vasileios Kalentzos, Charalambos Deliveliotis, Andreas Skolarikos
PURPOSE: To examine the safety and efficacy of hyperbaric oxygen as the primary and sole treatment for severe radiation-induced haemorrhagic cystitis. MATERIALS AND METHODS: Hyperbaric oxygen was prospectively applied as primary treatment in 38 patients with severe radiation cystitis. Our primary endpoint was the incidence of complete and partial response to treatment, while the secondary endpoints included the duration of response, the correlation of treatment success-rate to the interval between the onset of haematuria and initiation of therapy, blood transfusion need and total radiation dose, the number of sessions to success, the avoidance of surgery and the overall survival...
March 24, 2017: International Braz J Urol: Official Journal of the Brazilian Society of Urology
https://www.readbyqxmd.com/read/28333694/high-flow-nasal-cannula-therapy-beyond-the-perinatal-period
#17
Michael Lee, Joshua Nagler
PURPOSE OF REVIEW: High-flow nasal cannula (HFNC) is emerging as a means of oxygen delivery and respiratory support for a range of conditions outside the perinatal period. We aim to review the mechanisms of action and advantages of HFNC and to summarize current findings regarding clinical benefit in specific pediatric disease processes and in patients with significant respiratory distress. RECENT FINDINGS: Currently published studies outside the neonatal population demonstrate both safety and efficacy of this mode of respiratory support...
June 2017: Current Opinion in Pediatrics
https://www.readbyqxmd.com/read/28300756/oleanolic-acid-alters-multiple-cell-signaling-pathways-implication-in-cancer-prevention-and-therapy
#18
REVIEW
Lovro Žiberna, Dunja Šamec, Andrei Mocan, Seyed Fazel Nabavi, Anupam Bishayee, Ammad Ahmad Farooqi, Antoni Sureda, Seyed Mohammad Nabavi
Nowadays, much attention has been paid to diet and dietary supplements as a cost-effective therapeutic strategy for prevention and treatment of a myriad of chronic and degenerative diseases. Rapidly accumulating scientific evidence achieved through high-throughput technologies has greatly expanded the understanding about the multifaceted nature of cancer. Increasingly, it is being realized that deregulation of spatio-temporally controlled intracellular signaling cascades plays a contributory role in the onset and progression of cancer...
March 16, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28270341/a-phase-ib-open-label-randomized-safety-study-of-sanguinate%C3%A2-in-patients-with-sickle-cell-anemia
#19
Hemant Misra, James Bainbridge, John Berryman, Abraham Abuchowski, Kenneth Mauricio Galvez, Luis Fernando Uribe, Angel Luis Hernandez, Nestor Rodolfo Sosa
BACKGROUND: Treatment of sickle cell anemia is a challenging task and despite the well understood genetic and biochemical pathway of sickle hemoglobin, current therapy continues to be limited to the symptomatic treatment of pain, supplemental oxygen, antibiotics, red blood cell transfusions and hydroxyurea. SANGUINATE is a carbon monoxide releasing molecule and oxygen transfer agent under clinical development for the treatment of sickle cell anemia and comorbidities. METHODS: An open-label randomized Phase Ib study was performed in adult sickle cell anemia patients...
January 2017: Revista Brasileira de Hematologia e Hemoterapia
https://www.readbyqxmd.com/read/28261286/fenestration-closure-with-amplatzer-duct-occluder-ii-in-patients-after-total-cavo-pulmonary-connection
#20
Sebastian Góreczny, Paweł Dryżek, Gareth J Morgan, Anna Mazurek-Kula, Jacek J Moll, Jadwiga A Moll, Shakeel Qureshi, Tomasz Moszura
INTRODUCTION: Creation of a fenestration during completion of a total cavopulmonary connection (TCPC) has been associated with a reduction in early mortality and morbidity. However, the long-term benefits are negated by an associated limitation in exercise tolerance and the potential risks of thrombo-embolic complications. We sought to describe the safety and efficacy of an Amplatzer Duct Occluder II (ADO II) for transcatheter fenestration closure following TCPC. MATERIAL AND METHODS: Between January 2000 and July 2014, 102 patients underwent percutaneous closure of extra-cardiac TCPC fenestrations with a range of devices...
March 1, 2017: Archives of Medical Science: AMS
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