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https://www.readbyqxmd.com/read/28742435/the-role-of-transversus-abdominis-plane-blocks-in-eras-pathways-for-open-and-laparoscopic-colorectal-surgery
#1
Alexander J Kim, Robert Jason Yong, Richard D Urman
INTRODUCTION: The concepts of Enhanced Recovery After Surgery (ERAS(®)) have steadily increased in usage, with benefits in patient outcomes and hospital length of stay. One important component of successful implementation of ERAS protocol is optimized pain control, via the multimodal approach, which includes neuraxial or regional anesthesia techniques and reduction of opioid use as the primary analgesic. Transversus abdominis plane (TAP) block is one such regional anesthesia technique, and it has been widely studied in abdominal surgery...
July 25, 2017: Journal of Laparoendoscopic & Advanced Surgical Techniques. Part A
https://www.readbyqxmd.com/read/28741260/the-androgen-receptor-supports-tumor-progression-after-the-loss-of-ovarian-function-in-a-preclinical-model-of-obesity-and-breast-cancer
#2
Elizabeth A Wellberg, L Allyson Checkley, Erin D Giles, Stevi J Johnson, Robera Oljira, Reema Wahdan-Alaswad, Rebecca M Foright, Greg Dooley, Susan M Edgerton, Sonali Jindal, Ginger C Johnson, Jennifer K Richer, Peter Kabos, Ann D Thor, Pepper Schedin, Paul S MacLean, Steven M Anderson
The androgen receptor (AR) has context-dependent roles in breast cancer growth and progression. Overall, high tumor AR levels predict a favorable patient outcome, but several studies have established a tumor promotional role for AR, particularly in supporting the growth of estrogen receptor positive (ER-positive) breast cancers after endocrine therapy. Our previous studies have demonstrated that obesity promotes mammary tumor progression after ovariectomy (OVX) in a rat model of postmenopausal breast cancer...
July 24, 2017: Hormones & Cancer
https://www.readbyqxmd.com/read/28740682/combined-analgesic-treatment-of-epidural-and-paravertebral-block-after-thoracic-surgery
#3
Yujiro Yokoyama, Takahiro Nakagomi, Daichi Shikata, Taichiro Goto
In pulmonary surgical practice, appropriate pain management after thoracotomy is essential for patient recovery and the prevention of complications. Although epidural analgesia (EPI) has been established for chest surgery, it has some limitations and contraindications. Recently, paravertebral block (PVB) was reported as a good alternative method with fewer side effects. Despite the significant effects of these two treatments, postoperative pain remains among the greatest patient burdens. In our institution, we apply a combination of epidural and PVBs after thoracic surgery to reduce pain more effectively...
June 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28740428/does-the-approach-influence-the-success-rate-for-ultrasound-guided-rectus-sheath-blocks-an-anatomical-case-series
#4
Ronald Seidel, Andreas Wree, Marko Schulze
The anterior cutaneous branches of the thoracolumbar spinal nerves enter the rectus sheath at its lateral border and perforate the muscle after travelling a short distance in the ventral direction. In this anatomical case series, we show that dye injection at the medial margin did not lead to reliable impregnation of the target nerves. The local anesthetic should therefore be injected at the lateral edge of the rectus sheath. Preceding surgical procedures to the ventral abdominal wall may affect the craniocaudal spread of local anesthetic...
2017: Local and Regional Anesthesia
https://www.readbyqxmd.com/read/28740419/perineural-versus-intravenous-dexamethasone-as-an-adjuvant-in-regional-anesthesia-a-systematic-review-and-meta-analysis
#5
REVIEW
Wen-Ling Zhao, Xiao-Feng Ou, Jin Liu, Wen-Sheng Zhang
BACKGROUND: Dexamethasone is a common adjuvant for local anesthetics in regional anesthesia, but the optimal route of administration is controversial. Therefore, we did a systematic review and meta-analysis of randomized controlled trials to assess the effect of perineural versus intravenous dexamethasone on local anesthetic regional nerve-blockade outcomes. MATERIALS AND METHODS: Medline (through PubMed), Embase, Cochrane, Web of Science, and Biosis Previews databases were systematically searched (published from inception of each database to January 1, 2017) to identify randomized controlled trials...
2017: Journal of Pain Research
https://www.readbyqxmd.com/read/28737769/local-lung-hypoxia-determines-epithelial-fate-decisions-during-alveolar-regeneration
#6
Ying Xi, Thomas Kim, Alexis N Brumwell, Ian H Driver, Ying Wei, Victor Tan, Julia R Jackson, Jianming Xu, Dong-Kee Lee, Jeffrey E Gotts, Michael A Matthay, John M Shannon, Harold A Chapman, Andrew E Vaughan
After influenza infection, lineage-negative epithelial progenitors (LNEPs) exhibit a binary response to reconstitute epithelial barriers: activating a Notch-dependent ΔNp63/cytokeratin 5 (Krt5) remodelling program or differentiating into alveolar type II cells (AEC2s). Here we show that local lung hypoxia, through hypoxia-inducible factor (HIF1α), drives Notch signalling and Krt5(pos) basal-like cell expansion. Single-cell transcriptional profiling of human AEC2s from fibrotic lungs revealed a hypoxic subpopulation with activated Notch, suppressed surfactant protein C (SPC), and transdifferentiation toward a Krt5(pos) basal-like state...
July 24, 2017: Nature Cell Biology
https://www.readbyqxmd.com/read/28736410/using-local-data-to-address-abandoned-property-lessons-learned-from-a-community-health-partnership
#7
Samantha Teixeira, Demi Kolke
THE PROBLEM: A growing body of research highlights the role of the built environment in promoting or impeding health. This research suggests that environmental issues like abandoned properties exact a toll on physical and mental health. PURPOSE: We describe a community partnership aimed at improving community health through equitable land use policies and blight remediation. KEY POINTS: A collaboration between the University of Pittsburgh and Operation Better Block, Inc...
2017: Progress in Community Health Partnerships: Research, Education, and Action
https://www.readbyqxmd.com/read/28736107/cholinergic-opioid-interaction-in-anterior-cingulate-cortex-reduces-the-nociceptive-response-of-vocalization-in-guinea-pigs
#8
João Zugaib, Leda Menescal-de-Oliveira
The anterior cingulate cortex (ACC) is crucial in the modulation of the sensory, affective and cognitive aspects of nociceptive processing. Also, it participates in the plannig and execution of behavioral responses evoked by nociceptive stimuli via descending projections to the brainstem. In laboratory animals nociceptive experimental tests evaluate behavioral responses that preferentially express the sensory-discriminative or affective-motivational component of pain. The objective of this study was to investigate the participation of opioid and cholinergic neurotransmission in the ACC on different nociceptive responses in guinea pigs...
July 20, 2017: Brain Research
https://www.readbyqxmd.com/read/28735424/a-novel-3d-anatomic-mapping-approach-using-multipoint-high-density-voltage-gradient-mapping-to-quickly-localize-and-terminate-typical-atrial-flutter
#9
William C Choe, Sri Sundaram, J Ryan Jordan, Nate Mullins, Charles Boorman, Austin Davies, Alex C Tiftickjian, Sunil Nath
PURPOSE: The purposes of the study were to evaluate and characterize the cavotricuspid isthmus using multipoint high density voltage gradient mapping (HD-VGM) to see if this would improve on current ablation techniques compared to standard cavotricuspid isthmus ablation techniques. METHODS: Group 1, 25 patients who underwent ablation using standard methods of 3D mapping and ablation, was compared to group 2, 33 patients undergoing ablation using HD-VGM and ablation...
July 22, 2017: Journal of Interventional Cardiac Electrophysiology: An International Journal of Arrhythmias and Pacing
https://www.readbyqxmd.com/read/28734525/classification-of-cardiovascular-tissues-using-lbp-based-descriptors-and-a-cascade-svm
#10
Claudia Mazo, Enrique Alegre, Maria Trujillo
BACKGROUND AND OBJECTIVE: Histological images have characteristics, such as texture, shape, colour and spatial structure, that permit the differentiation of each fundamental tissue and organ. Texture is one of the most discriminative features. The automatic classification of tissues and organs based on histology images is an open problem, due to the lack of automatic solutions when treating tissues without pathologies. METHOD: In this paper, we demonstrate that it is possible to automatically classify cardiovascular tissues using texture information and Support Vector Machines (SVM)...
August 2017: Computer Methods and Programs in Biomedicine
https://www.readbyqxmd.com/read/28734046/effect-of-a-community-based-service-learning-experience-in-geriatrics-on-internal-medicine-residents-and-community-participants
#11
Rachel K Miller, Jennifer Michener, Phyllis Yang, Karen Goldstein, Jennine Groce-Martin, Gala True, Jerry Johnson
Community-based service learning (CBSL) provides an opportunity to teach internal medicine residents the social context of aging and clinical concepts. The objectives of the current study were to demonstrate the feasibility of a CBSL program targeting internal medicine residents and to assess its effect on medical residents and community participants. internal medicine residents participated in a CBSL experience for half a day during ambulatory blocks from 2011 to 2014. Residents attended a senior housing unit or center, delivered a presentation about a geriatric health topic, toured the facility, and received information about local older adult resources...
July 22, 2017: Journal of the American Geriatrics Society
https://www.readbyqxmd.com/read/28733443/direct-metabolic-interrogation-of-dihydrotestosterone-biosynthesis-from-adrenal-precursors-in-primary-prostatectomy-tissues
#12
Charles Dai, Yoon-Mi Chung, Evan Kovac, Ziqi Zhu, Jianneng Li, Cristina Magi-Galluzzi, Andrew J Stephenson, Eric A Klein, Nima Sharifi
Purpose: A major mechanism of castration-resistant prostate cancer (CRPC) involves intratumoral biosynthesis of dihydrotestosterone (DHT) from adrenal precursors. We have previously shown that adrenal-derived androstenedione (AD) is the preferred substrate over testosterone (T) for 5α-reductase expressed in metastatic CRPC, bypassing T as an obligate precursor to DHT. However, the metabolic pathway of adrenal-derived DHT biosynthesis has not been rigorously investigated in the setting of primary disease in the prostate...
July 21, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28732667/contribution-of-bdnf-trkb-signalling-in-the-racc-to-the-development-of-pain-related-aversion-via-activation-of-erk-in-rats-with-spared-nerve-injury
#13
Xu Wang, Le Zhang, Yufeng Zhan, Dengping Li, Yuangui Zhang, Gongming Wang, Mengyuan Zhang
The rostral anterior cingulate cortex (rACC) is a key structure in mediating the negative affective component of chronic pain. Brain-derived neurotrophic factor (BDNF) is known to play a critical role in activity-dependent synaptic plasticity, learning and memory. It has been shown that BDNF signalling in the rACC might be involved in spontaneous pain-related aversion, but its underlying mechanism is still largely unknown. To address this question, we measured the mRNA and protein levels of BDNF in the rACC after nerve injury and found that BDNF expression was markedly higher in nerve-injured rats than in controls...
July 18, 2017: Brain Research
https://www.readbyqxmd.com/read/28732063/dopamine-acting-at-d1-like-d2-like-and-%C3%AE-1-adrenergic-receptors-differentially-modulates-theta-and-gamma-oscillatory-activity-in-primary-motor-cortex
#14
Mazhar Özkan, Nicholas W Johnson, Umit S Sehirli, Gavin L Woodhall, Ian M Stanford
The loss of dopamine (DA) in Parkinson's is accompanied by the emergence of exaggerated theta and beta frequency neuronal oscillatory activity in the primary motor cortex (M1) and basal ganglia. DA replacement therapy or deep brain stimulation reduces the power of these oscillations and this is coincident with an improvement in motor performance implying a causal relationship. Here we provide in vitro evidence for the differential modulation of theta and gamma activity in M1 by DA acting at receptors exhibiting conventional and non-conventional DA pharmacology...
2017: PloS One
https://www.readbyqxmd.com/read/28731982/peripheral-oxytocin-receptors-inhibit-the-nociceptive-input-signal-to-spinal-dorsal-horn-wide-dynamic-range-neurons
#15
Abimael González-Hernández, Alfredo Manzano-García, Guadalupe Martínez-Lorenzana, Irma A Tello-García, Martha Carranza, Carlos Arámburo, Miguel Condés-Lara
Oxytocin has emerged as a mediator of endogenous analgesia in behavioral and electrophysiological experiments. In fact, oxytocin receptors (OTRs) in the spinal dorsal horn participate in a selective inhibition of the neuronal activity mediated by Aδ- and C-fibers but not Aβ-fibers. This study shows that OTRs are expressed in the terminal nerve endings and are able to inhibit nociceptive neuronal firing. Indeed, local peripheral oxytocin blocked the first sensorial activity Aδ- and C-fibers recorded in the spinal cord neurons...
July 19, 2017: Pain
https://www.readbyqxmd.com/read/28729416/cib2-negatively-regulates-oncogenic-signaling-in-ovarian-cancer-via-sphingosine-kinase-1
#16
Wenying Zhu, Kate E Jarman, Noor A Lokman, Heidi A Neubauer, Lorena T Davies, Briony L Gliddon, Houng Taing, Paul A B Moretti, Martin K Oehler, Melissa R Pitman, Stuart M Pitson
Sphingosine kinase 1 (SK1) is a key regulator of the cellular balance between pro-apoptotic and pro-survival sphingolipids. Oncogenic signaling by SK1 relies on its localization to the plasma membrane, which is mediated by the calcium and integrin binding protein CIB1 via its Ca(2+)-myristoyl switch function. Here we show that another member of the CIB family, CIB2, plays a surprisingly opposite role to CIB1 in the regulation of SK1 signalling. CIB2 bound SK1 on the same site as CIB1, yet it lacks the Ca(2+)-myristoyl switch function...
July 20, 2017: Cancer Research
https://www.readbyqxmd.com/read/28729062/pharmacological-activation-of-ampk-inhibits-incision-evoked-mechanical-hypersensitivity-and-the-development-of-hyperalgesic-priming-in-mice
#17
Michael D Burton, Dipti V Tillu, Khadijah Mazhar, Galo L Mejia, Marina N Asiedu, Kufreobong Inyang, Travis Hughes, Bo Lian, Gregory Dussor, Theodore J Price
New therapeutics to manage post-surgical pain are needed to mitigate the liabilities of opioid and other analgesics. Our previous work shows that key modulators of excitability in peripheral nociceptors, such as extracellular signal-regulated kinases (ERK) are inhibited by activation of adenosine monophosphate activated protein kinase (AMPK). We hypothesized that AMPK activation would attenuate acute incision-evoked mechanical hypersensitivity and the development of hyperalgesic priming caused by surgery in mice...
July 17, 2017: Neuroscience
https://www.readbyqxmd.com/read/28728750/trigeminocardiac-reflex-during-non-surgical-root-canal-treatment-of-teeth-with-irreversible-pulpitis
#18
James I-Sheng Huang, Hao-Hueng Chang, Chun-Pei Lin, Wan-Chuen Liao, Chia-Tze Kao, Tsui-Hsien Huang
BACKGROUND/PURPOSE: Trigeminocardiac reflex (TCR) is a unique clinical incident of acute change in hemodynamic balance, which may lead to hypotension, bradycardia, and even clinical crisis. Up to date, no study so far considers the impact of non-surgical root canal treatment (NSRCT) of irreversible pulpitis teeth under either local infiltration or block anesthesia on hemodynamic change possibly related to TCR. METHODS: This study enrolled 111 patients with 138 irreversible pulpitis teeth that were treated by two sessions of NSRCT...
July 17, 2017: Journal of the Formosan Medical Association, Taiwan Yi Zhi
https://www.readbyqxmd.com/read/28727704/evaluating-the-adjuvant-effect-of-dexamethasone-to-ropivacaine-in-transversus-abdominis-plane-block-for-inguinal-hernia-repair-and-spermatocelectomy-a-randomized-controlled-trial
#19
Robert Wegner, Duane Akwar, Sarah Guzman-Reyes, Greesha Pednekar, Rabail Chaudhry, Navneet Grewal, Naveen Kukreja, Omar L Mancillas, George W Williams, Omonele Nwokolo
BACKGROUND: The transversus abdominis plane (TAP) block is a relatively straightforward regional technique used for postoperative analgesia in patients undergoing abdominal surgeries. Various adjuvants have been used in past to prolong the duration of action of analgesia in peripheral nerve blocks. Several studies investigating the analgesic efficacy of dexamethasone added to local anesthetic agents, such as bupivacaine, have shown promising results. However, there are few studies comparing the efficacy of dexamethasone with ropivacaine...
July 2017: Pain Physician
https://www.readbyqxmd.com/read/28727597/bilateral-continuous-erector-spinae-plane-block-contributes-to-effective-postoperative-analgesia-after-major-open-abdominal-surgery-a-case-report
#20
Carlos Eduardo Restrepo-Garces, Ki Jinn Chin, Patricia Suarez, Alejandro Diaz
The erector spinae plane (ESP) block is a regional anesthetic technique involving local anesthetic injection in a paraspinal plane deep to the erector spinae muscle. Originally described for thoracic analgesia when performed at the T5 transverse process, the ESP block can provide abdominal analgesia if performed at lower thoracic levels because the erector spinae muscles extend to the lumbar spine. A catheter inserted into this plane can extend analgesic duration and can be an alternative to epidural analgesia...
July 19, 2017: A & A Case Reports
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