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https://www.readbyqxmd.com/read/28213055/electrophysiological-measurements-that-can-explain-and-guide-temporary-accelerated-pacing-to-avert-re-occurrence-of-torsade-de-pointes-arrhythmias-in-the-canine-chronic-atrioventricular-block-model
#1
Sofieke C Wijers, Alexandre Bossu, Albert Dunnink, Jet D M Beekman, Rosanne Varkevisser, Alfonso Aranda Hernández, Mathias Meine, Marc A Vos
BACKGROUND: Pacing at higher rates is known to suppress Torsade de Pointes (TdP) arrhythmias. Nevertheless, exact application and mechanism need further clarification. In the anesthetized, canine, chronic atrioventricular block model, ventricular remodeling is responsible for a high and reproducible incidence of TdP upon a challenge with dofetilide. OBJECTIVE: We used this model to investigate by what mechanism accelerated pacing averts TdP and what repolarization parameter could be used to guide temporary applied accelerated pacing (TAP)...
February 14, 2017: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/28199752/effect-of-transversus-abdominis-plane-block-in-combination-with-general-anesthesia-on-perioperative-opioid-consumption-hemodynamics-and-recovery-in-living-liver-donors-the-prospective-double-blinded-randomized-study
#2
Mehmet Ali Erdogan, Ulku Ozgul, Muharrem Uçar, Rıdvan Yalin, Yusuf Ziya Colak, Cemil Çolak, Huseyin Ilksen Toprak
BACKGROUND: Transversus abdominis plane (TAP) block provides effective postoperative analgesia after abdominal surgeries. It can be also a useful strategy to reduce perioperative opioid consumption, support intraoperative hemodynamic stability and promote early recovery from anesthesia. The aim of this prospective randomized double-blind study was to assess the effect of subcostal TAP blocks on perioperative opioid consumption, hemodynamic and recovery time in living liver donors. METODS: The prospective, double-blinded, randomized controlled study was conducted with 49 living liver donors, aged 18-65 years, who were scheduled to undergo right hepatectomy...
February 15, 2017: Clinical Transplantation
https://www.readbyqxmd.com/read/28184266/utility-of-ultrasound-guided-transversus-abdominis-plane-block-for-day-case-inguinal-hernia-repair
#3
Luciano Frassanito, Sara Pitoni, Gianluigi Gonnella, Sergio Alfieri, Miryam Del Vicario, Stefano Catarci, Gaetano Draisci
BACKGROUND: The transversus abdominis plane (TAP) block is a regional anesthesia technique that effectively reduces the pain intensity and use of analgesia in abdominal surgery. The aim of this study was to determine the utility of the ultrasound-guided TAP block in improving the efficacy of the ultrasound-guided ilioinguinal/iliohypogastric nerve (IIN/IHN) block for intraoperative anesthesia and postoperative pain control in day-case inguinal hernia repair (IHR). METHODS: We conducted a descriptive study of patients undergoing elective primary unilateral open IHR...
February 2017: Korean Journal of Anesthesiology
https://www.readbyqxmd.com/read/28182074/skin-and-mucosal-ischemia-as-a-complication-after-inferior-alveolar-nerve-block
#4
Pedro Christian Aravena, Camila Valeria, Nicolás Nuñez, Francisco Perez-Rojas, Cesar Coronado
The anesthetic block of the inferior alveolar nerve (IAN) is one of the most common techniques used in dental practice. The local complications are due to the failures on the anesthetic block or to anatomic variations in the tap site such as intravascular injection, skin ischemia and ocular problems. The aim of this article is to present a case and discuss the causes of itching and burning sensation, blanching, pain and face ischemia in the oral cavity during the IAN block.
November 2016: Dental Research Journal
https://www.readbyqxmd.com/read/28180072/the-diminishing-dominance-of-the-dominant-hemisphere-language-fmri-in-focal-epilepsy
#5
Chris Tailby, David F Abbott, Graeme D Jackson
"Which is the dominant hemisphere?" is a question that arises frequently in patients considered for neurosurgery. The concept of the dominant hemisphere implies uniformity of language lateralisation throughout the brain. It is increasingly recognised that this is not the case in the healthy control brain, and it is especially not so in neurological diseases such as epilepsy. In the present work we adapt our published objective lateralisation method (based on the construction of laterality curves) for use with sub-lobar cortical, subcortical and cerebellar regions of interest (ROIs)...
2017: NeuroImage: Clinical
https://www.readbyqxmd.com/read/28144162/thoracic-epidural-catheter-for-postoperative-pain-control-following-an-ineffective-transversus-abdominis-plane-block-using-liposome-bupivacaine
#6
Brian D Terrien, David Espinoza, Charles C Stehman, Gabriel A Rodriguez, Nicholas C Connolly
A 24-year-old female with a history of ulcerative colitis underwent colectomy. The patient received an ineffective transversus abdominis plane (TAP) block with liposome bupivacaine (Exparel) intraoperatively and was started on a hydromorphone patient-controlled analgesia 5 hours after the TAP block, which did not relieve her pain. A continuous thoracic epidural (CTE) was then placed after blood levels of bupivacaine were drawn, and the patient immediately experienced significant pain relief. The combined use of liposome bupivacaine and bupivacaine CTE infusion in the postoperative management of this patient demonstrated no safety concerns, provided excellent analgesia and plasma concentrations of bupivacaine remained far below toxic levels...
2017: Journal of Pain Research
https://www.readbyqxmd.com/read/28131413/effect-of-a-low-surface-tension-vehicle-on-the-dentinal-tubule-penetration-of-calcium-hydroxide-and-triple-antibiotic-paste
#7
Derya Deniz Sungur, Hacer Aksel, Nuhan Purali
INTRODUCTION: The purpose of this study was to evaluate dentinal tubule penetration (DTP) of calcium hydroxide (CH) and triple antibiotic paste (TAP) when performed with distilled water (DW) or a low surface tension liquid (ie, propylene glycol [PG]). METHODS: Root apices of 40 single-rooted premolars were removed to obtain 14-mm roots in length. Root canals were enlarged to simulate immature teeth. After smear layer removal, the roots were randomly divided into 4 groups (n = 10) according to the root canal medicaments and the vehicles used: group 1:TAP + DW, group 2: TAP + PG, group 3: CH + DW, and group 4:CH + PG...
January 25, 2017: Journal of Endodontics
https://www.readbyqxmd.com/read/28124865/tap-block-in-neonates-need-to-think-beyond-effectiveness
#8
Chrystelle Sola, Eduardo Vega, Pablo Ingelmo
No abstract text is available yet for this article.
January 25, 2017: Minerva Anestesiologica
https://www.readbyqxmd.com/read/28118232/transversus-abdominis-plane-block-and-free-flap-abdominal-tissue-breast-reconstruction-is-there-a-true-reduction-in-postoperative-narcotic-use
#9
Cedric Hunter, Afaaf Shakir, Arash Momeni, Anna Luan, Lauren Steffel, Jean-Louis Horn, Dung Nguyen, Gordon K Lee
INTRODUCTION: The use of the transversus abdominis plane (TAP) block is increasing in abdominally based autologous tissue breast reconstruction as a method to provide postoperative donor site analgesia. The purpose of this study was to evaluate the efficacy of the TAP block in the immediate postoperative period. METHODS: A retrospective analysis of all patients who underwent autologous microsurgical breast reconstruction over a 2-year period (2013-2015) was conducted...
March 2017: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/28106061/acoustic-optical-phonon-up-conversion-and-hot-phonon-bottleneck-in-lead-halide-perovskites
#10
Jianfeng Yang, Xiaoming Wen, Hongze Xia, Rui Sheng, Qingshan Ma, Jincheol Kim, Patrick Tapping, Takaaki Harada, Tak W Kee, Fuzhi Huang, Yi-Bing Cheng, Martin Green, Anita Ho-Baillie, Shujuan Huang, Santosh Shrestha, Robert Patterson, Gavin Conibeer
The hot-phonon bottleneck effect in lead-halide perovskites (APbX3) prolongs the cooling period of hot charge carriers, an effect that could be used in the next-generation photovoltaics devices. Using ultrafast optical characterization and first-principle calculations, four kinds of lead-halide perovskites (A=FA(+)/MA(+)/Cs(+), X=I(-)/Br(-)) are compared in this study to reveal the carrier-phonon dynamics within. Here we show a stronger phonon bottleneck effect in hybrid perovskites than in their inorganic counterparts...
January 20, 2017: Nature Communications
https://www.readbyqxmd.com/read/28098413/dermatomal-spread-following-posterior-transversus-abdominis-plane-block-in-pediatric-patients-our-initial-experience
#11
Maria A Hernandez, Tricia Vecchione, Karen Boretsky
INTRODUCTION: Several techniques for the transversus abdominis plane (TAP) block have been described. The extent of sensory changes using an ultrasound-guided posterior TAP block (pTAP) remains unclear in pediatric patients. The primary aim of this study was to report the extent of sensory changes achieved with pTAP; specifically the highest thoracic dermatome anesthetized. Secondary outcomes were pain scores (PS), opioid consumption, and complications. METHODS: We retrospectively reviewed the medical records of patients less than 21 years of age undergoing abdominal surgery with a unilateral or bilateral pTAP(s) for postoperative analgesia...
January 18, 2017: Paediatric Anaesthesia
https://www.readbyqxmd.com/read/28096583/addition-of-clonidine-to-bupivacaine-in-transversus-abdominis-plane-block-prolongs-postoperative-analgesia-after-cesarean-section
#12
Ranju Singh, Nishant Kumar, Aruna Jain, Sudipta Joy
BACKGROUND AND AIMS: The aim was to compare duration of postoperative analgesia with addition of clonidine to bupivacaine in bilateral transversus abdominis plane (TAP) block after lower segment cesarean section (LSCS). MATERIAL AND METHODS: One hundred American Society of Anesthesiologists (ASA) grade I and II pregnant patients undergoing LSCS under spinal anesthesia were randomly divided to receive either 20 ml bupivacaine 0.25% (Group B; n = 50) or 20 ml bupivacaine+1ug/kg clonidine bilaterally (Group BC; n = 50) in TAP block in a double-blind fashion...
October 2016: Journal of Anaesthesiology, Clinical Pharmacology
https://www.readbyqxmd.com/read/28095883/moderated-online-social-therapy-for-carers-of-young-people-recovering-from-first-episode-psychosis-study-protocol-for-a-randomised-controlled-trial
#13
John Gleeson, Reeva Lederman, Helen Herrman, Peter Koval, Dina Eleftheriadis, Sarah Bendall, Sue M Cotton, Mario Alvarez-Jimenez
BACKGROUND: First-episode psychosis most often has its onset during late adolescence. In caring for the young person, families endure high levels of stress and depression. Meanwhile, the social networks of families often erode. Our group has previously shown that family cognitive behaviour therapy (CBT) leads to significantly improved perceived stress compared with specialist first-episode treatment as usual; however, there are well-known barriers to the dissemination of effective family interventions...
January 17, 2017: Trials
https://www.readbyqxmd.com/read/28074268/cognitive-deficits-in-patients-with-a-chronic-vestibular-failure
#14
Pauline Popp, Melanie Wulff, Kathrin Finke, Maxine Rühl, Thomas Brandt, Marianne Dieterich
Behavioral studies in rodents and humans have demonstrated deficits of spatial memory and orientation in bilateral vestibular failure (BVF). Our aim was to explore the functional consequences of chronic vestibular failure on different cognitive domains including spatial as well as non-spatial cognitive abilities. Sixteen patients with a unilateral vestibular failure (UVF), 18 patients with a BVF, and 17 healthy controls (HC) participated in the study. To assess the cognitive domains of short-term memory, executive function, processing speed and visuospatial abilities the following tests were used: Theory of Visual Attention (TVA), TAP Alertness and Visual Scanning, the Stroop Color-Word, and the Corsi Block Tapping Test...
January 10, 2017: Journal of Neurology
https://www.readbyqxmd.com/read/28072798/reliability-and-safety-of-contra-lateral-oblique-view-for-interlaminar-epidural-needle-placement
#15
Richard Derby, Irina Melnik, Jongwoo Choi, Sang-Hoon Lee, Jeong-Eun Lee
Cord trauma is a risk with a cervical and thoracic interlaminar epidural approach to the epidural space. Intermittent lateral fluoroscopic imaging to detect needle depth is often cumbersome and may be difficult to interpret. In comparison, the contra-lateral oblique (CLO) fluoroscopic view is efficient and easy to interpret. However, the in vivo reliability and safety of this technique has not been formally investigated.The senior author collected fluoroscopic images on 278 consecutive patients undergoing an interlaminar epidural block at the T1-T2 level performed using a 17 gauge Tuohy needle...
January 2017: Pain Physician
https://www.readbyqxmd.com/read/28047322/mo-fg-campus-jep1-03-luminescence-imaging-of-water-during-proton-beam-irradiation-for-range-estimation
#16
S Yamamoto, T Toshito, M Komori, H Watabe
PURPOSE: Since proton therapy has the ability to selectively deliver a dose to a target tumor, the dose distribution should be accurately measured. A precise and efficient method to evaluate the dose distribution is desired. We found that luminescence was emitted from water during proton irradiation and thought this phenomenon could be used for estimating the dose distribution. METHODS: For this purpose, we placed water phantoms set on a table with a spot-scanning proton-therapy system, and luminescence images of these phantoms were measured with a high-sensitivity cooled charge coupled device (CCD) camera during proton-beam irradiation...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28025443/direct-and-indirect-antibacterial-effects-of-various-concentrations-of-triple-antibiotic-pastes-loaded-in-a-methylcellulose-system
#17
Sarmad M Alyas, Benjamin I Fischer, Ygal Ehrlich, Kenneth Spolnik, Richard L Gregory, Ghaeth H Yassen
We investigated the direct and indirect (residual) antibacterial effects of various concentrations of triple antibiotic paste (TAP) loaded into a methylcellulose system. Enterococcus faecalis (E. faecalis) was grown on sterilized dentin blocks (n = 60) and treated with clinically used TAP (1,000 mg/mL), low concentrations of methylcellulose-based TAP (100, 10, and 1 mg/mL), placebo paste, or 1.5% NaOCl (n = 10). The pastes were then removed, and biofilm disruption assays were performed. Additional dentin blocks (n = 120) were pretreated with the same experimental groups (n = 20)...
2016: Journal of Oral Science
https://www.readbyqxmd.com/read/28007030/ultrasound-anatomy-of-the-transversus-abdominis-plane-region-in-pregnant-women-before-and-after-cesarean-delivery
#18
Nicholas Kiefer, Stefanie Krahe, Ulrich Gembruch, Stefan Weber
BACKGROUND: After cesarean delivery, analgesia is often incomplete and a multimodal approach to analgesia is necessary. Transverse abdominal plane (TAP) block has been advocated in this setting, yet no systematic description of the ultrasound anatomy in pregnant women exists in the literature. Therefore, we aimed to describe the sonographical features of relevant structures in pregnant women before and after elective cesarean. METHODS: Sixty women at, or close to term scheduled for elective cesarean delivery underwent a standardized ultrasound examination before and after delivery...
December 22, 2016: BMC Anesthesiology
https://www.readbyqxmd.com/read/28004194/did-i-see-your-hand-moving-the-effect-of-movement-related-information-on-the-corsi-block-tapping-task
#19
Riccardo Brunetti, Claudia Del Gatto, Clarissa Cavallina, Benedetto Farina, Franco Delogu
The Corsi Block Tapping Task is a widespread test used to assess spatial working memory. Previous research hypothesized that the discrepancy found in some cases between the traditional and the digital (touchscreen) version of the Corsi block tapping task may be due to a direct motor resonance between the experimenter's and the participant's hand movements. However, we hypothesize that this discrepancy might be due to extra movement-related information included in the traditional version, lacking in the digital one...
December 21, 2016: Psychological Research
https://www.readbyqxmd.com/read/28004015/influenza-infection-modulates-vesicular-trafficking-and-induces-golgi-complex-disruption
#20
Vibha Yadav, Antonito T Panganiban, Kerstin Honer Zu Bentrup, Thomas G Voss
Influenza A virus (IFV) replicates its genome in the nucleus of infected cells and uses the cellular protein transport system for genome trafficking from the nucleus to the plasma membrane. However, many details of the mechanism of this process, and its relationship to subsequent cytoplasmic virus trafficking, have not been elucidated. We examined the effect of nuclear transport inhibitors Leptomycin B (LB), 5,6 dichloro-1-β-d-ribofuranosyl-benzimidazole (DRB), the vesicular transport inhibitor Brefeldin A (BFA), the caspase inhibitor ZWEHD, and microtubule inhibitor Nocodazole (NOC) on virus replication and intracellular trafficking of viral nucleoprotein (NP) from the nucleus to the ER and Golgi...
December 2016: Virusdisease
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