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https://www.readbyqxmd.com/read/28549082/pharmacokinetics-and-pharmacodynamics-of-propofol-changes-in-patients-with-frontal-brain-tumours
#1
M M Sahinovic, D J Eleveld, T Miyabe-Nishiwaki, M M R F Struys, A R Absalom
Background: Models of propofol pharmacokinetics and pharmacodynamics developed in patients without brain pathology are widely used for target-controlled infusion (TCI) during brain tumour excision operations. The goal of this study was to determine if the presence of a frontal brain tumour influences propofol pharmacokinetics and pharmacodynamics and existing PK-PD model performance. Methods: Twenty patients with a frontal brain tumour and 20 control patients received a propofol infusion to achieve an induction-emergence-induction anaesthetic sequence...
May 26, 2017: British Journal of Anaesthesia
https://www.readbyqxmd.com/read/28548279/significant-decreases-in-blood-propofol-concentrations-during-adrenalectomy-for-phaeochromocytoma
#2
Tatsunori Watanabe, Haruhiko Hiraoka, Takuya Araki, Daisuke Nagano, Tohru Aomori, Tomonori Nakamura, Koujirou Yamamoto, Hiroshi Baba
AIM: The kinetics of propofol are influenced by cardiac output. The aim of this study was to examine changes in blood propofol concentrations during phaeochromocytoma surgery using target-controlled infusion (TCI) anaesthesia with propofol. METHODS: This is a prospective observational study. Ten patients with phaeochromocytoma who underwent unilateral adrenalectomy were included. Cardiac output was measured using an arterial pressure-based cardiac output analysis method...
May 26, 2017: British Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/28543518/green-discolouration-of-urine-following-propofol-infusion-in-a-dog
#3
D Flaherty, A Auckburally
A three-year-old, female neutered Weimaraner was presented with a history of neck pain and tetraparesis. MRI revealed an extradural mass at the level of C3 vertebra, which was thought to be a spinal abscess, and the dog was scheduled for surgical exploration the following morning. Overnight the dog developed an exaggerated ventilatory pattern, with paradoxical inward movement of the thorax on inspiration. Arterial blood gas analysis revealed respiratory acidosis and ventilator support was initiated to prevent excessive respiratory fatigue...
May 25, 2017: Journal of Small Animal Practice
https://www.readbyqxmd.com/read/28541533/predictive-performance-of-the-modified-marsh-and-schnider-models-for-propofol-in-underweight-patients-undergoing-general-anaesthesia-using-target-controlled-infusion
#4
Y H Lee, G H Choi, K W Jung, B H Choi, J Y Bang, E K Lee, B M Choi, G J Noh
Background: : In our preliminary study, the modified Marsh (M-Marsh) model caused an inadvertent underdosing of propofol in underweight patients. However, the predictive performance of the M-Marsh and Schnider models incorporated in commercially available target-controlled infusion (TCI) pumps was not evaluated in underweight patients. Methods: : Thirty underweight patients undergoing elective surgery were randomly allocated to receive propofol via TCI using the M-Marsh or Schnider models...
May 24, 2017: British Journal of Anaesthesia
https://www.readbyqxmd.com/read/28541419/acute-toxicity-from-intravenous-use-of-the-tricyclic-antidepressant-tianeptine
#5
Sara K Dempsey, Justin L Poklis, Kacie Sweat, Kirk Cumpston, Carl E Wolf
Tianeptine (7-[([3-chloro-6,11]-dihydro-6-methyldibenzo[c,f][1,2]thiazepin-11-yl) amino] heptanoic acid S, S dioxide) is a tricyclic compound prescribed as an antidepressant in European countries, but is not currently approved for use in the United States. There are few published case reports of tianeptine intoxication. Presented is the first case of acute toxicity associated with the intravenous use of tianeptine. A 36-year-old male intentionally injected tianeptine powder intravenously to "help him see into the future"...
May 24, 2017: Journal of Analytical Toxicology
https://www.readbyqxmd.com/read/28534702/factors-affecting-recovery-from-anaesthesia-with-propofol-remifentanil-target-controlled-infusion-in-laparoscopic-surgery
#6
Shao-Hua Liu, Ming Tian
Objective This study was performed to analyse factors influencing the effect-site concentration (Ce) of propofol at return of consciousness (ROC) with target-controlled infusion of propofol-remifentanil after laparoscopic surgery. Methods In total, 112 patients who underwent laparoscopic surgery under general anaesthesia were given propofol at the target concentration of 3.5 µg/ml. Remifentanil (Ce: 4.0 ng/ml) and 0.9 mg/kg of rocuronium were administered when the Observer's Assessment of Alertness/Sedation score reached 1...
January 1, 2017: Journal of International Medical Research
https://www.readbyqxmd.com/read/28533136/effect-of-artificial-pancreas-systems-on-glycaemic-control-in-patients-with-type-1-diabetes-a-systematic-review-and-meta-analysis-of-outpatient-randomised-controlled-trials
#7
Alanna Weisman, Johnny-Wei Bai, Marina Cardinez, Caroline K Kramer, Bruce A Perkins
BACKGROUND: Closed-loop artificial pancreas systems have been in development for several years, including assessment in numerous varied outpatient clinical trials. We aimed to summarise the efficacy and safety of artificial pancreas systems in outpatient settings and explore the clinical and technical factors that can affect their performance. METHODS: We did a systematic review and meta-analysis of randomised controlled trials comparing artificial pancreas systems (insulin only or insulin plus glucagon) with conventional pump therapy (continuous subcutaneous insulin infusion [CSII] with blinded continuous glucose monitoring [CGM] or unblinded sensor-augmented pump [SAP] therapy) in adults and children with type 1 diabetes...
May 19, 2017: Lancet Diabetes & Endocrinology
https://www.readbyqxmd.com/read/28522110/high-dose-gemcitabine-busulfan-and-melphalan-for-autologous-stem-cell-transplant-in-patients-with-relapsed-or-refractory-myeloma-a-phase-2-trial-and-matched-pair-comparison-with-melphalan
#8
Yago Nieto, Benigno C Valdez, Sai R Pingali, Roland Bassett, Ruby Delgado, John Nguyen, Nina Shah, Uday Popat, Roy B Jones, Borje S Andersson, Alison Gulbis, Sairah Ahmed, Qaiser Bashir, Simrit Parmar, Krina Patel, Alan Myers, Gabriela Rondon, Robert Z Orlowski, Richard Champlin, Muzaffar Qazilbash
BACKGROUND: High-dose melphalan is of little benefit as a regimen for patients with relapsed or refractory myeloma undergoing an autologous stem-cell transplant (ASCT). The poor performance of single-agent melphalan in this setting prompted us to study a new high-dose combination of infused gemcitabine, busulfan, and melphalan. METHODS: We did a phase 2 trial at the University of Texas MD Anderson Cancer Center (Houston, TX, USA). We enrolled patients with primary refractory or relapsed myeloma who had received treatment with bortezomib, an immunomodulatory drug, or both, or who were receiving a salvage ASCT...
May 15, 2017: Lancet Haematology
https://www.readbyqxmd.com/read/28515226/a-neutralizing-anti-g-csfr-antibody-blocks-g-csf-induced-neutrophilia-without-inducing-neutropenia-in-nonhuman-primates
#9
Karen Scalzo-Inguanti, Katherine Monaghan, Kirsten Edwards, Eva Herzog, Danijela Mirosa, Matthew Hardy, Vicki Sorto, Huy Huynh, Steven Rakar, Daria Kurtov, Hal Braley, Nick Wilson, Samantha Busfield, Andrew Nash, Arna Andrews
Neutrophils are the most abundant WBCs and have an essential role in the clearance of pathogens. Tight regulation of neutrophil numbers and their recruitment to sites of inflammation is critical in maintaining a balanced immune response. In various inflammatory conditions, such as rheumatoid arthritis, vasculitis, cystic fibrosis, and inflammatory bowel disease, increased serum G-CSF correlates with neutrophilia and enhanced neutrophil infiltration into inflamed tissues. We describe a fully human therapeutic anti-G-CSFR antibody (CSL324) that is safe and well tolerated when administered via i...
May 17, 2017: Journal of Leukocyte Biology
https://www.readbyqxmd.com/read/28509796/disposition-of-remifentanil-in-obesity-a-new-pharmacokinetic-model-incorporating-the-influence-of-body-mass
#10
Tae Kyun Kim, Shinju Obara, Talmage D Egan, Charles F Minto, Luca LaColla, David R Drover, Jaap Vuyk, Martijn Mertens
BACKGROUND: The influence of obesity on the pharmacokinetic (PK) behavior of remifentanil is incompletely understood. The aim of the current investigation was to develop a new population PK model for remifentanil that would adequately characterize the influence of body weight (among other covariates, e.g., age) on the disposition of remifentanil in the general adult population. We hypothesized that age and various indices of body mass would be important covariates in the new model. METHODS: Nine previously published data sets containing 4,455 blood concentration measurements from 229 subjects were merged...
June 2017: Anesthesiology
https://www.readbyqxmd.com/read/28509350/high-sodium-continuous-veno-venous-hemodialysis-with-regional-citrate-anticoagulation-and-online-dialysate-generation-in-patients-with-acute-liver-failure-and-cerebral-edema
#11
Tamim Hamdi, Lenar Yessayan, Jerry Yee, Balazs Szamosfalvi
INTRODUCTION: Acute liver failure is associated with a high mortality rate. Induction of plasma hypertonicity with mannitol or hypertonic saline remains the cornerstone in the management of resultant cerebral edema. Significant disadvantages of this approach include poor or unpredictable control of serum sodium concentration and volume expansion, among others. METHODS: We used high sodium continuous veno-venous hemodialysis with regional citrate anticoagulation and online dialysate generation to accurately control the serum sodium in eleven patients with acute liver failure, renal failure, and cerebral edema...
May 16, 2017: Hemodialysis International
https://www.readbyqxmd.com/read/28506131/new-drugs-and-allogeneic-hematopoietic-cell-transplantation-for-hematological-malignancies-do-they-have-a-role-in-bridging-consolidating-or-conditioning-transplantation-treatment
#12
Francesca Patriarca, Luisa Giaccone, Francesco Onida, Luca Castagna, Barbara Sarina, Vittorio Montefusco, Alberto Mussetti, Nicola Mordini, Elena Maino, Raffaella Greco, Jacopo Peccatori, Moreno Festuccia, Francesco Zaja, Stefano Volpetti, Antonio Risitano, Renato Bassan, Paolo Corradini, Fabio Ciceri, Renato Fanin, Michele Baccarani, Alessandro Rambaldi, Francesca Bonifazi, Benedetto Bruno
Novel targeted therapies and monoclonal antibodies can be combined with allogeneic stem cell transplantation (allo-SCT) at different time-points: 1) before the transplant to reduce tumour burden, 2) as part of the conditioning in place of or in addition to conventional agents 3) after the transplant to allow long-term disease control. Areas covered This review focuses on the current integration of new drugs with allo-SCT for the treatment of major hematological malignancies for which allo-SCT has been a widely-adopted therapy...
May 16, 2017: Expert Opinion on Biological Therapy
https://www.readbyqxmd.com/read/28505360/comparative-total-and-unbound-pharmacokinetics-of-cefazolin-administered-by-bolus-versus-continuous-infusion-in-patients-undergoing-major-surgery-a-randomized-controlled-trial
#13
B I Naik, C Roger, K Ikeda, M S Todorovic, S C Wallis, J Lipman, J A Roberts
Background.: Perioperative administration of cefazolin reduces the incidence of perioperative infections. Intraoperative re-dosing of cefazolin is commonly given between 2 and 5 h after the initial dose. This study was undertaken to determine whether intraoperative continuous infusions of cefazolin achieve better probability of target attainment (PTA) and fractional target attainment (FTA) than intermittent dosing. Methods.: Patients undergoing major surgery received cefazolin 2 g before surgical incision...
May 15, 2017: British Journal of Anaesthesia
https://www.readbyqxmd.com/read/28502888/prospective-study-of-postoperative-glycemic-control-with-a-standardized-insulin-infusion-protocol-after-infrainguinal-bypass-and-open-abdominal-aortic-aneurysm-repair
#14
Andrea M Steely, Lisa Smith, Peter W Callas, Muriel H Nathan, Julie E Lahiri, Andrew C Stanley, Georg Steinthorsson, Daniel J Bertges
INTRODUCTION: The aim of this study was to examine the effect of moderate postoperative glycemic control in diabetic and non-diabetic patients undergoing infrainguinal bypass (INFRA) or open abdominal aortic aneurysm (OAAA) repair. METHODS: In a single center prospective study, we investigated postoperative glycemic control using a standardized insulin infusion protocol after elective INFRA (n=53, 62%) and OAAA (n=33, 38%) between January 2013 and March 2015. The primary endpoint was optimal glycemic control, defined as having ≥85% of blood glucose values within the 80-150mg/dL target range...
May 11, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28494895/the-efficacy-of-labetalol-versus-nitroglycerin-for-induction-of-controlled-hypotension-during-sinus-endoscopic-surgery-a-prospective-double-blind-and-randomized-study
#15
Nagat S El-Shmaa, Hoda Alsaid Ahmed Ezz, Ahmed Younes
OBJECTIVE: To assess the efficacy of labetalol versus nitroglycerin for induction of controlled hypotension during sinus endoscopic surgery. DESIGN: A prospective, double-blind and randomized study. SETTING: Carried out in operating room in university hospital. PATIENTS: 60 patients of both sexes, American Society of Anesthesiologists (ASA) physical status I and II, age range from 20 to 60years; scheduled for elective sinus endoscopic surgery under general anesthesia (GA)...
June 2017: Journal of Clinical Anesthesia
https://www.readbyqxmd.com/read/28482671/advances-in-evidence-based-cancer-adoptive-cell-therapy
#16
Chunlei Ge, Ruilei Li, Xin Song, Shukui Qin
Adoptive cell therapy (ACT) has been developed in cancer treatment by transferring/infusing immune cells into cancer patients, which are able to recognize, target, and destroy tumor cells. Recently, sipuleucel-T and genetically-modified T cells expressing chimeric antigen receptors (CAR) show a great potential to control metastatic castration-resistant prostate cancer and hematologic malignancies in clinic. This review summarized some of the major evidence-based ACT and the challenges to improve cell quality and reduce the side effects in the field...
April 2017: Chinese Clinical Oncology
https://www.readbyqxmd.com/read/28472777/anesthetic-dreaming-anesthesia-awareness-and-patient-satisfaction-after-deep-sedation-with-propofol-target-controlled-infusion-a-prospective-cohort-study-of-patients-undergoing-day-case-breast-surgery
#17
Marco Cascella, Roberta Fusco, Domenico Caliendo, Vincenza Granata, Domenico Carbone, Maria Rosaria Muzio, Giuseppe Laurelli, Stefano Greggi, Francesca Falcone, Cira Antonietta Forte, Arturo Cuomo
BACKGROUND: Anesthetic dreaming and anesthesia awareness are well distinct phenomena. Although the incidence of intraoperative awareness is more common among patients who reported a dream after surgery, the exact correlation between the two phenomena remains an unsolved rebus. The main purpose of this study was to investigate anesthetic dreaming, anesthesia awareness and psychological consequences eventually occurred under deep sedation. Intraoperative dreaming experiences were correlated with dream features in natural sleep...
April 19, 2017: Oncotarget
https://www.readbyqxmd.com/read/28466100/sedative-effects-of-oral-pregabalin-premedication-on-intravenous-sedation-using-propofol-target-controlled-infusion
#18
Noriko Karube, Shinichi Ito, Saori Sako, Jun Hirokawa, Takeshi Yokoyama
PURPOSE: The sedative effects of pregabalin during perioperative period have not been sufficiently characterized. The aim of this study was to verify the sedative effects of premedication with pregabalin on intravenous sedation (IVS) using propofol and also to assess the influences of this agent on circulation, respiration, and postanesthetic complications. METHODS: Ten healthy young volunteers underwent 1 h of IVS using propofol, three times per subject, on separate days (first time, no pregabalin; second time, pregabalin 100 mg; third time, pregabalin 200 mg)...
May 2, 2017: Journal of Anesthesia
https://www.readbyqxmd.com/read/28466018/a-review-of-modern-control-strategies-for-clinical-evaluation-of-propofol-anesthesia-administration-employing-hypnosis-level-regulation
#19
REVIEW
Muhammad Ilyas, Muhammad Fasih Uddin Butt, Muhammad Bilal, Khalid Mahmood, Ali Khaqan, Raja Ali Riaz
Regulating the depth of hypnosis during surgery is one of the major objectives of an anesthesia infusion system. Continuous administration of Propofol infusion during surgical procedures is essential but it unduly increases the load of an anesthetist working in a multitasking scenario in the operation theatre. Manual and target controlled infusion systems are not appropriate to handle instabilities like blood pressure and heart rate changes arising due to interpatient and intrapatient variability. Patient safety, large interindividual variability, and less postoperative effects are the main factors motivating automation in anesthesia administration...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28459603/closed-loop-control-of-postprandial-glycemia-using-an-insulin-on-board-limitation-through-continuous-action-on-glucose-target
#20
Paolo Rossetti, Carmen Quirós, Vanessa Moscardó, Anna Comas, Marga Giménez, F Javier Ampudia-Blasco, Fabián León, Eslam Montaser, Ignacio Conget, Jorge Bondia, Josep Vehí
BACKGROUND: Postprandial (PP) control remains a challenge for closed-loop (CL) systems. Few studies with inconsistent results have systematically investigated the PP period. OBJECTIVE: To compare a new CL algorithm with current pump therapy (open loop [OL]) in the PP glucose control in type 1 diabetes (T1D) subjects. METHODS: A crossover randomized study was performed in two centers. Twenty T1D subjects (F/M 13/7, age 40.7 ± 10.4 years, disease duration 22...
May 1, 2017: Diabetes Technology & Therapeutics
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