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https://www.readbyqxmd.com/read/29451300/decreased-anterior-cingulate-activation-in-a-motor-task-in-youths-with-bipolar-disorder
#1
Jace B King, Jeffrey S Anderson, Deborah A Yurgelun-Todd, Punitha Subramaniam, Marie R Ehrler, Melissa P Lopez-Larson
BACKGROUND: Bipolar disorder (BP) is characterized by abnormal shifts in mood between episodes of mania and severe depression, both of which have been linked with psychomotor disturbances. This study compares brain activation patterns in motor networks between euthymic youths with BP and healthy controls (HC) during the completion of a simple motor task. METHODS: Thirty-five youths with BP and 35 HC (aged 10-19) completed a self-paced sequential bilateral finger-tapping task, consisting of a 4-minute scan block with alternating 20-second periods of either the tapping task (six blocks) or rest (six blocks), while undergoing functional magnetic resonance imaging...
February 16, 2018: Journal of Child Psychology and Psychiatry, and Allied Disciplines
https://www.readbyqxmd.com/read/29447617/experience-with-event-timing-does-not-alter-emergent-timing-further-evidence-for-robustness-of-event-and-emergent-timing
#2
Megan A Pope, Breanna E Studenka
Although, event and emergent timings are thought of as mutually exclusive, significant correlations between tapping and circle drawing (Baer, Thibodeau, Gralnick, Li, & Penhune, 2013 ; Studenka, Zelaznik, & Balasubramaniam, 2012 ; Zelaznik & Rosenbaum, 2010 ) suggest that emergent timing may not be as robust as once thought. We aimed to test this hypothesis in both a younger (18-25) and older (55-100) population. Participants performed one block of circle drawing as a baseline, then six blocks of tapping, followed by circle drawing...
February 15, 2018: Journal of Motor Behavior
https://www.readbyqxmd.com/read/29422442/pallidal-deep-brain-stimulation-modulates-excessive-cortical-high-%C3%AE-phase-amplitude-coupling-in-parkinson-disease
#3
Mahsa Malekmohammadi, Nicholas AuYong, Joni Ricks-Oddie, Yvette Bordelon, Nader Pouratian
OBJECTIVE: Deep brain stimulation (DBS) of the subthalamic nucleus (STN) and globus pallidus internus (GPi) are equally efficacious in the management of Parkinson disease (PD). Studies of STN-DBS have revealed a therapeutic reduction in excessive cortical β-γ phase-amplitude coupling (PAC). It is unclear whether this is specific to STN-DBS and potentially mediated by modulation of the hyperdirect pathway or if it is a generalizable mechanism seen with DBS of other targets. Moreover, it remains unclear how cortical signals are differentially modulated by movement versus therapy...
January 31, 2018: Brain Stimulation
https://www.readbyqxmd.com/read/29411504/proof-of-concept-study-of-vertical-augmentation-using-block-type-allogenic-bone-grafts-a-preclinical-experimental-study-on-rabbit-calvaria
#4
Ji-Sun Lee, Jung-Seok Lee, Myung-Hun Kang, Ui-Won Jung, Seong-Ho Choi, Kyoo-Sung Cho
This study aimed to quantify the healing following vertical augmentation of allogenic bone blocks with/without recombinant human bone morphogenetic protein-2 (rhBMP-2) on rabbit calvaria. Experiments were performed using allogenic bone blocks which were grafted bilaterally with or without rhBMP-2 on 20 rabbit calvaria, and these animals were divided to four groups according to the use of rhBMP-2 and healing periods (2 and 8 weeks; n = 10 in each group). Onlay-type bone blocks (8 mm in diameter and 5 mm high) were fixed with a self-tapping screw after removing the cortex in the control group, and the same protocol was applied with the addition of soaking the bone blocks with rhBMP-2 for 15 min in the test group...
February 7, 2018: Journal of Biomedical Materials Research. Part B, Applied Biomaterials
https://www.readbyqxmd.com/read/29406174/high-dose-versus-low-dose-local-anaesthetic-for-transversus-abdominis-plane-block-post-caesarean-delivery-analgesia-a-meta-analysis
#5
REVIEW
S C Ng, A S Habib, S Sodha, B Carvalho, P Sultan
BACKGROUND: The optimal local-anaesthetic (LA) dose for transversus-abdominis-plane (TAP) block is unclear. In this meta-analysis, we aimed to determine whether TAP blocks for Caesarean delivery (CD) with low-dose (LD) LA demonstrated non-inferiority in terms of analgesic efficacy, compared with high-dose (HD) LA. METHODS: A literature search was performed for randomised controlled trials examining the analgesic efficacy of TAP blocks vs control after CD. The different dosing used in these studies was classified as HD or LD (bupivacaine equivalents >50 or ≤50 mg per block side, respectively)...
February 2018: British Journal of Anaesthesia
https://www.readbyqxmd.com/read/29404987/enhanced-recovery-via-peripheral-nerve-block-for-open-hepatectomy
#6
Lucas W Thornblade, Yongwoo D Seo, Tracy Kwan, Jane H Cardoso, Eric Pan, Gregory Dembo, Raymond S W Yeung, James O Park
BACKGROUND: Enhanced recovery after surgery (ERAS) protocols are now commonplace in many fields of surgery, but only limited data exists for their use in hepatobiliary surgery. We implemented standardized ERAS protocols for all open hepatectomies and replaced thoracic epidurals with a transversus abdominis plane (TAP) block. METHODS: We performed a retrospective cohort study of all patients undergoing open hepatectomy during the 14 months before and 19 months after implementation of an ERAS protocol at our institution (January 2014-September 2016)...
February 5, 2018: Journal of Gastrointestinal Surgery: Official Journal of the Society for Surgery of the Alimentary Tract
https://www.readbyqxmd.com/read/29402875/effect-of-transversus-abdominis-plane-tap-block-on-postoperative-pain-after-colorectal-surgery-a-meta-analysis-of-randomized-controlled-trials
#7
Lin Liu, Yan-Hu Xie, Wei Zhang, Xiao-Qing Chai
<br><br>Objectives: To assess the analgesic efficacy of transversus abdominis plane (TAP) block in patients undergoing colorectal surgery (CRS). MATERIALS AND METHODS: The databases of PubMed, ISI Web of Science and Embase were searched, and randomized controlled studies (RCTs) that compared TAP block to control for relief of postoperative pain in patients who underwent CRS were included. Outcomes including postoperative pain at rest and at movement, morphine use, postoperative nausea and vomiting (PONV), and the length of hospital stay, were analyzed using STATA software...
February 1, 2018: Medical Principles and Practice: International Journal of the Kuwait University, Health Science Centre
https://www.readbyqxmd.com/read/29401942/scalable-mode-division-multiplexed-transmission-over-a-10-km-ring-core-fiber-using-high-order-orbital-angular-momentum-modes
#8
Guoxuan Zhu, Ziyang Hu, Xiong Wu, Cheng Du, Wenyong Luo, Yujie Chen, Xinlun Cai, Jie Liu, Jiangbo Zhu, Siyuan Yu
We propose and demonstrate a scalable mode division multiplexing scheme based on orbital angular momentum modes in ring core fibers. In this scheme, the high-order mode groups of a ring core fiber are sufficiently de-coupled by the large differential effective refractive index so that multiple-input multiple-output (MIMO) equalization is only used for crosstalk equalization within each mode group. We design and fabricate a graded-index ring core fiber that supports 5 mode groups with low inter-mode-group coupling, small intra-mode-group differential group delay, and small group velocity dispersion slope over the C-band for the high-order mode groups...
January 22, 2018: Optics Express
https://www.readbyqxmd.com/read/29389985/multiband-multi-echo-simultaneous-asl-bold-for-task-induced-functional-mri
#9
Alexander D Cohen, Andrew S Nencka, Yang Wang
Typical simultaneous blood oxygenation-level dependent (BOLD) and arterial spin labeling (ASL) sequences acquire two echoes, one perfusion-sensitive and one BOLD-sensitive. However, for ASL, spatial resolution and brain coverage are limited due to the T1 decay of the labeled blood. This study applies a sequence combining a multiband acquisition with four echoes for simultaneous BOLD and pseudo-continuous ASL (pCASL) echo planar imaging (MBME ASL/BOLD) for block-design task-fMRI. A multiband acceleration of four was employed to increase brain coverage and reduce slice-timing effects on the ASL signal...
2018: PloS One
https://www.readbyqxmd.com/read/29381855/controlled-evaluation-of-the-impacts-of-surface-coatings-on-silver-nanoparticle-dissolution-rates
#10
Chang Liu, Weinan Leng, Peter J Vikesland
Silver nanoparticles (AgNPs) are increasingly being incorporated into a range of consumer products and as such there is significant potential for the environmental release of either the AgNPs themselves or Ag+ ions. When AgNPs are exposed to environmental systems, the engineered surface coating can potentially be displaced or covered by naturally abundant macromolecules. These capping agents, either engineered or incidental, potentially block reactants from surface sites and can alter nanoparticle transformation rates...
January 30, 2018: Environmental Science & Technology
https://www.readbyqxmd.com/read/29381824/transversus-abdominis-plane-tap-block-in-laparoscopic-colorectal-surgery-improves-postoperative-pain-management-a-meta-analysis
#11
Elisabeth Hain, Léon Maggiori, Justine Prost À la Denise, Yves Panis
AIM: Transversus abdominis plane (TAP) block is a locoregional anesthesia technique of growing interest in abdominal surgery. However, its efficacy following laparoscopic colorectal surgery is still debated. This meta-analysis aimed to assess the efficacy of TAP-block after laparoscopic colorectal surgery. METHOD: All comparative studies focusing on TAP-block after laparoscopic colorectal surgery have been systematically identified through the MEDLINE database, reviewed and included...
January 30, 2018: Colorectal Disease: the Official Journal of the Association of Coloproctology of Great Britain and Ireland
https://www.readbyqxmd.com/read/29377066/a-triple-blind-placebo-controlled-randomised-trial-of-the-ilioinguinal-transversus-abdominis-plane-i-tap-nerve-block-for-elective-caesarean-section
#12
J J Staker, D Liu, R Church, D J Carlson, M Panahkhahi, A Lim, T LeCong
This study investigated the efficacy of a new ilioinguinal-transversus abdominis plane block when used as a component of multimodal analgesia. We conducted a prospective, triple-blind, placebo-controlled randomised study of 100 women undergoing elective caesarean section. All women had spinal anaesthesia with hyperbaric bupivacaine, 15 μg fentanyl and 150 μg morphine, as well as 100 mg diclofenac and 1.5 g paracetamol rectally. Women were randomly allocated to receive the ilioinguinal-transversus abdominis plane block or a sham block at the end of surgery...
January 29, 2018: Anaesthesia
https://www.readbyqxmd.com/read/29376100/are-ventrolateral-and-dorsolateral-prefrontal-cortices-involved-in-the-computerized-corsi-block-tapping-test-execution-an-fnirs-study
#13
Stefania Lancia, Vincenza Cofini, Marika Carrieri, Marco Ferrari, Valentina Quaresima
The Corsi block-tapping test (CBT) is an old neuropsychological test that, requiring the storage and the reproduction of spatial locations, assesses spatial working memory (WM). Despite its wide use in clinical practice, the specific contribution of prefrontal cortex (PFC) subregions during CBT execution has not been clarified yet. Considering the importance of spatial WM in daily life and the well-known role of ventrolateral-PFC/dorsolateral-PFC (VLPFC/DLPFC) in WM processes, the present study was aimed at investigating, by a 20-channel functional near-infrared spectroscopy (fNIRS) system (including four short-separation channels), the hemodynamic response of the VLPFC/DLPFC during a computerized version of the CBT...
January 2018: Neurophotonics
https://www.readbyqxmd.com/read/29315984/default-mode-network-modifications-in-fabry-disease-a-resting-state-fmri-study-with-structural-correlations
#14
Sirio Cocozza, Giuseppe Pontillo, Mario Quarantelli, Francesco Saccà, Eleonora Riccio, Teresa Costabile, Gaia Olivo, Vincenzo Brescia Morra, Antonio Pisani, Arturo Brunetti, Enrico Tedeschi
Aim of the study was to evaluate the presence of Default Mode Network (DMN) modifications in Fabry Disease (FD), and their possible correlations with structural alterations and neuropsychological scores. Thirty-two FD patients with a genetically confirmed diagnosis of classical FD (12 males, mean age 43.3 ± 12.2) were enrolled, along with 35 healthy controls (HC) of comparable age and sex (14 males, mean age 42.1 ± 14.5). Resting-State fMRI data were analyzed using a seed-based approach, with six different seeds sampling the main hubs of the DMN...
January 9, 2018: Human Brain Mapping
https://www.readbyqxmd.com/read/29296094/comparison-of-ultrasound-guided-posterior-transversus-abdominis-plane-block-and-lateral-transversus-abdominis-plane-block-for-postoperative-pain-management-in-patients-undergoing-cesarean-section-a-randomized-double-blind-clinical-trial-study
#15
Seyed Hamid Reza Faiz, Mahmoud Reza Alebouyeh, Pooya Derakhshan, Farnad Imani, Poupak Rahimzadeh, Maryam Ghaderi Ashtiani
Background: Due to the importance of pain control after abdominal surgery, several methods such as transversus abdominis plane (TAP) block are used to reduce the pain after surgery. TAP blocks can be performed using various ultrasound-guided approaches. Two important approaches to do this are ultrasound-guided lateral and posterior approaches. This study aimed to compare the two approaches of ultrasound-guided lateral and posterior TAP blocks to control pain after cesarean section. Materials and methods: In this double-blind clinical trial study, 76 patients scheduled for elective cesarean section were selected and randomly divided into two groups of 38 and underwent spinal anesthesia...
2018: Journal of Pain Research
https://www.readbyqxmd.com/read/29284859/transversus-abdominis-plane-block-versus-ilioinguinal-iliohypogastric-nerve-block-with-wound-infiltration-for-postoperative-analgesia-in-inguinal-hernia-surgery-a-randomized-clinical-trial
#16
Chinthavali Sujatha, Mamie Zachariah, R V Ranjan, Sagiev Koshy George, T R Ramachandran, Anil Radhakrishna Pillai
Background: Various analgesic modalities have been used for postoperative analgesia in patients undergoing inguinal hernia surgery. In this randomized clinical trial, we have compared the analgesic efficacy of transversus abdominis plane (TAP) block with that of ilioinguinal/iliohypogastric (IIIH) nerve block with wound infiltration in patients undergoing unilateral open inguinal hernia repair. Aim: The primary objective of this study was to compare the efficacy of postoperative analgesia of ultrasound-guided TAP block and IIIH block with wound infiltration (WI) in patients undergoing open inguinal hernia surgery...
October 2017: Anesthesia, Essays and Researches
https://www.readbyqxmd.com/read/29284852/a-comparative-study-of-postoperative-analgesia-provided-by-ultrasound-guided-transversus-abdominis-plane-block-using-two-concentrations-of-bupivacaine-in-patients-undergoing-inguinal-hernia-repair
#17
Rajesh Prabhu, Dewan Roshan Singh, N Krishnaveni
Background: Pain after open inguinal hernia surgery can be moderate to severe and is known to prolong hospital stay and delay return to normal daily activities. Settings: A randomized controlled trial conducted in the Department of Anesthesiology in a tertiary care hospital. Aims and Objectives: To compare the efficacy of postoperative analgesia provided by equal volumes of 0.125% and 0.25% bupivacaine administered in an ultrasound (US)-guided transversus abdominis plane (TAP) block in patients undergoing unilateral inguinal hernia repair...
October 2017: Anesthesia, Essays and Researches
https://www.readbyqxmd.com/read/29278604/sensory-assessment-and-regression-rate-of-bilateral-oblique-subcostal-transversus-abdominis-plane-block-in-volunteers
#18
Yue Chen, KeJian Shi, Yun Xia, Xuezheng Zhang, Thomas J Papadimos, Xuzhong Xu, Quanguang Wang
BACKGROUND AND OBJECTIVES: The analgesic effect and duration of a transversus abdominis plane (TAP) block remain controversial. Transversus abdominis plane blocks are effective for somatic/incisional pain but do not provide analgesia for visceral pain from intra-abdominal procedures. The purpose of this study was to assess the area and extent of cutaneous sensory blockade and the regression of dermatomal anesthesia after bilateral oblique subcostal TAP block. METHODS: This observational, prospective clinical study consisted of 12 healthy volunteers...
December 22, 2017: Regional Anesthesia and Pain Medicine
https://www.readbyqxmd.com/read/29226150/transversus-abdominis-plane-block-an-updated-review-of-anatomy-and-techniques
#19
REVIEW
Hsiao-Chien Tsai, Takayuki Yoshida, Tai-Yuan Chuang, Sheng-Feng Yang, Chuen-Chau Chang, Han-Yun Yao, Yu-Ting Tai, Jui-An Lin, Kung-Yen Chen
Purpose of Review: Transversus abdominis plane (TAP) block is a regional technique for analgesia of the anterolateral abdominal wall. This review highlights the nomenclature system and recent advances in TAP block techniques and proposes directions for future research. Recent Findings: Ultrasound guidance is now considered the gold standard in TAP blocks. It is easy to acquire ultrasound images; it can be used in many surgeries involving the anterolateral abdominal wall...
2017: BioMed Research International
https://www.readbyqxmd.com/read/29214081/a-rare-complication-of-a-tap-block-performed-after-caesarean-delivery
#20
Osman Nawazish Salaria, Murlikrishna Kannan, Bryan Kerner, Howard Goldman
The transversus abdominis plane block is a regional anesthesia technique that has become popular. Being a relatively simple procedure, the TAP block has an excellent safety profile and major complications are rare. We present a case of transient femoral nerve palsy occurring after a TAP block with involvement of the sacral plexus for a patient who had undergone a caesarean section.
2017: Case Reports in Anesthesiology
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