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https://www.readbyqxmd.com/read/28445863/dexmedetomidine-attenuates-acute-paroxysmal-sympathetic-hyperactivity
#1
Yuan Peng, Haifeng Zhu, Haodong Chen, Zijin Zhu, Huahai Zhou, Shuguang Zhang, Lili Gao, Lei Shi, Xiaoliang Li, Zhengxiang Luo
We evaluated the curative effect of dexmedetomidine on paroxysmal sympathetic hyperactivity (PSH) in a retrospective study of 72 PSH patients after neurosurgery. Our results showed that dexmedetomidine was superior to propofol for treatment of PSH with respect to: average time needed to reduce paroxysmal hypertension (PH) to <140/90 mmHg (29.03±8.86 vs. 42.0±14.77 min), average remission time of PH (3.97±1.73 vs. 5.65±1.51 min), PH remission rate (61.22±10.8% vs. 41.52±14.15%), PH duration (9.31±2...
April 7, 2017: Oncotarget
https://www.readbyqxmd.com/read/28438982/the-histaminergic-system-is-involved-in-psychological-stress-induced-hyperthermia-in-rats
#2
Battuvshin Lkhagvasuren, Takakazu Oka
The histaminergic system modulates numerous physiological functions such as wakefulness, circadian rhythm, feeding, and thermoregulation. However, it is not yet known if this system is also involved in psychological stress-induced hyperthermia (PSH) and, if so, which histamine (H) receptor subtype mediates the effect. Therefore, we investigated the effects of pretreatments with intraperitoneal injections of mepyramine (an H1 receptor inverse agonist), cimetidine (an H2 receptor antagonist), and ciproxifan (an H3 receptor inverse agonist) on cage-exchange stress-induced hyperthermia (a model of PSH) by monitoring core body temperature (Tc) during both light (10:00 am-12:00 pm) and dark (10:00 pm-12:00 am) phases in conscious, freely moving rats...
April 2017: Physiological Reports
https://www.readbyqxmd.com/read/28438121/leg-elevation-decreases-the-incidence-of-post-spinal-hypotension-in-cesarean-section-a-randomized-controlled-trial
#3
Ahmed Hasanin, Ahmed Aiyad, Ahmed Elsakka, Atef Kamel, Reham Fouad, Mohamed Osman, Ali Mokhtar, Sherin Refaat, Yasmin Hassabelnaby
BACKGROUND: Maternal hypotension is a common complication after spinal anesthesia for cesarean section (CS). In this study we investigated the role of leg elevation (LE) as a method for prevention of post-spinal hypotension (PSH) for cesarean section. METHODS: One hundred and fifty full term parturients scheduled for CS were included in the study. Patients were randomized into two groups: Group LE (leg elevation group, n = 75) and group C (Control group, n = 75)...
April 24, 2017: BMC Anesthesiology
https://www.readbyqxmd.com/read/28413125/transient-dysautonomia-in-an-acute-phase-of-encephalopathy-with-biphasic-seizures-and-late-reduced-diffusion
#4
Yuko Ichimiya, Noriyuki Kaku, Yasunari Sakai, Fumiya Yamashita, Wakato Matsuoka, Mamoru Muraoka, Satoshi Akamine, Soichi Mizuguchi, Michiko Torio, Yoshitomo Motomura, Yuichiro Hirata, Yoshito Ishizaki, Masafumi Sanefuji, Hiroyuki Torisu, Hidetoshi Takada, Yoshihiko Maehara, Shouichi Ohga
Paroxysmal sympathetic hyperactivity (PSH) is a dysautonomic condition that is associated with various types of acquired brain injuries. Traumatic brain lesions have been documented as the leading cause of PSH. However, detailed clinical features of pediatric PSH caused by intrinsic brain lesions remain to be elusive. We present a 3-year-old boy, who had been diagnosed as having cerebral palsy, developmental delay and epilepsy after perinatal hypoxia-induced brain injury. He developed status epilepticus with fever on the third day of respiratory infection...
April 13, 2017: Brain & Development
https://www.readbyqxmd.com/read/28405701/-diabetes-and-the-central-nervous-system
#5
F Erbguth
Diabetes increases the risk of stroke by a factor of 2-4. For primary and secondary stroke prevention, strict glycemic control alone was not superior to standard treatment. However, the risk of stroke in patients with diabetes could be reduced by multimodal risk interventions during the last 20 years by about 50%. Increased glucose levels (poststroke hyperglycemia (PSH)) which indicate a worse prognosis develop in 50% of stroke patients. The potentially beneficial effect of strict glycemic control in PSH by i...
April 12, 2017: Der Nervenarzt
https://www.readbyqxmd.com/read/28401499/clinical-patterns-of-primary-stabbing-headache-a-single-clinic-based-prospective-study
#6
Dong Yeop Kim, Mi Ji Lee, Hyun Ah Choi, Hanna Choi, Chin-Sang Chung
BACKGROUND: The clinical features and disease courses of primary stabbing headache (PSH) are diverse. We aimed to identify distinct clinical patterns of PSH. METHODS: We prospectively screened consecutive first-visit patients who presented with stabbing headache at the Samsung Medical Centre Headache Clinic from June 2015 to March 2016. Demographics, headache characteristics, and disease courses were prospectively evaluated. After discerning factors related to the chronicity at the time of presentation, clinical patterns were identified based on the frequency (daily vs...
December 2017: Journal of Headache and Pain
https://www.readbyqxmd.com/read/28377349/-factors-affecting-recovery-of-consciousness-in-patients-with-disorders-of-consciousness-following-brain-trauma-a-logistic-regression-analysis
#7
Qing Lin, Qiu-You Xie, Yan-Bin He, Yan Chen, Xiao-Xiao Ni, Ye-Qun Guo, Yan Shen, Rong-Hao Yu
OBJECTIVE: To explore the factors that affect the recovery of consciousness in patients with disorders of consciousness following brain trauma. METHODS: We analyzed the data of 114 patients with disorders of consciousness following brain trauma admitted for rehabilitation. Bilateral logistic regression analysis was used to explore the factors that affected the recovery of the patients' consciousness. A logistic regression model was established and the ROC curve was drawn to obtain the optimal threshold of the prognostic model...
March 20, 2017: Nan Fang Yi Ke da Xue Xue Bao, Journal of Southern Medical University
https://www.readbyqxmd.com/read/28374852/protein-s-heerlen-mutation-heterozygosity-is-associated-with-venous-thrombosis-risk
#8
P Suchon, M Germain, A Delluc, D Smadja, X Jouven, B Gyorgy, N Saut, M Ibrahim, J F Deleuze, M C Alessi, P E Morange, D A Trégouët
Hereditary Protein S (PS) deficiency is a rare coagulation disorder associated with an increased risk of venous thrombosis (VT). The PS Heerlen (PSH) mutation is a rare S501P mutation that was initially considered to be a neutral polymorphism. However, it has been later shown that PSH has a reduced half-life in vivo which may explain the association of PSH heterozygosity with mildly reduced levels of plasma free PS (FPS). Whether the risk of VT is increased in PSH carriers remains unknown. We analyzed the association of PSH (rs121918472 A/G) with VT in 4,173 VT patients and 5,970 healthy individuals from four independent case-control studies...
April 4, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28366314/utilization-of-total-joint-arthroplasty-in-physician-owned-specialty-hospitals-vs-acute-care-facilities
#9
Antonia F Chen, Emily Pflug, Daniel O'Brien, Mitchell G Maltenfort, Javad Parvizi
BACKGROUND: The recent emergence of physician-owned specialty hospitals has sparked controversy about overutilization. Thus, the purpose of this study was to compare utilization patterns of total joint arthroplasty (TJA) between physician-specialty hospitals (PSHs) and acute care hospitals (ACHs). METHODS: A retrospective study was conducted from January 2010 to August 2014 comparing primary TJA patients between a PSH and an ACH; 103 PSH patients were matched to 103 ACH patients by age, gender, BMI, and ASA classification with similar case distribution between facilities...
March 19, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28364212/parenchymal-sparing-versus-anatomic-liver-resection-for-colorectal-liver-metastases-a-systematic-review
#10
Dimitrios Moris, Sean Ronnekleiv-Kelly, Amir A Rahnemai-Azar, Evangelos Felekouras, Mary Dillhoff, Carl Schmidt, Timothy M Pawlik
INTRODUCTION: Colorectal liver metastases develop in 50% of patients diagnosed with colorectal cancer. Surgical resection for colorectal liver metastasis typically involves either anatomical resection (AR) or parenchymal-sparing hepatectomy (PSH). The objective of the current study was to analyze data on parenchymal versus non-parenchymal-sparing hepatic resections for CLM. METHODS: A systematic review of the literature regarding parenchymal-sparing hepatectomy was performed...
March 31, 2017: Journal of Gastrointestinal Surgery: Official Journal of the Society for Surgery of the Alimentary Tract
https://www.readbyqxmd.com/read/28357485/non-protein-thiol-imaging-and-quantification-in-live-cells-with-a-novel-benzofurazan-sulfide-triphenylphosphonium-fluorogenic-compound
#11
Yang Yang, Xiangming Guan
Thiols (-SH) play various roles in biological systems. They are divided into protein thiols (PSH) and non-protein thiols (NPSH). Due to the significant roles thiols play in various physiological/pathological functions, numerous analytical methods have been developed for thiol assays. Most of these methods are developed for glutathione, the major form of NPSH. Majority of these methods require tissue/cell homogenization before analysis. Due to a lack of effective thiol-specific fluorescent/fluorogenic reagents, methods for imaging and quantifying thiols in live cells are limited...
March 29, 2017: Analytical and Bioanalytical Chemistry
https://www.readbyqxmd.com/read/28357098/pulmonary-sclerosing-hemangioma-with-a-rare-symptom-a-case-report-and-review-of-the-literature
#12
Le Zhou, Chuntang Sun, Yan Huang, Qiao Li, Huairong Tang, Youjuan Wang
Pulmonary sclerosing hemangioma (PSH) is a relatively rare benign tumor. However, as it occurs only rarely, the natural course of the tumor is not well understood. In the present study, a case is presented of a 35-year-old woman who underwent intermittent fevers for more than one year. This case highlighted fever as a rare symptom of PSH. Fever is possibly one of the symptoms of PSH, although it is less likely to occur. Another symptom of the patient was that the tumor grew quickly in two months. The lesion was diagnosed as multiple sclerosing hemangioma of the lung (i...
February 2017: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/28289661/early-experience-with-a-partial-stapled-hemorrhoidopexy-for-treating-patients-with-grades-iii-iv-prolapsing-hemorrhoids
#13
Hyeonseok Jeong, Sunghwan Hwang, Kil O Ryu, Jiyong Lim, Hyun Tae Kim, Hye Mi Yu, Jihoon Yoon, Ju-Young Lee, Hyoung Rae Kim, Young Gil Choi
PURPOSE: Circular stapled hemorrhoidopexy (CSH) is widely used to treat patients with grades III-IV hemorrhoids because of less pain and short hospital stay. However, this procedure is associated with some complications, such as urge to defecate, anal stenosis, staple line dehiscence, abscess and sepsis. To avoid these complications, surgeons perform a partial stapled hemorrhoidopexy (PSH). The aim of this study is to present our early experience with the PSH. METHODS: We retrospectively reviewed the medical records of 58 patients with hemorrhoids who were treated with a PSH at Busan Hang-Un Hospital from January 2016 to June 2016...
February 2017: Annals of Coloproctology
https://www.readbyqxmd.com/read/28283208/paroxysmal-sympathetic-hyperactivity-in-children-an-exploratory-evaluation-of-nursing-interventions
#14
Lisa Letzkus, Jessica Keim-Malpass, Joel Anderson, Christine Kennedy
BACKGROUND: Paroxysmal sympathetic hyperactivity (PSH) produces symptoms of autonomic instability and muscle over-activity; however, the majority of nursing interventions used in clinical practice are anecdotal and not evidenced based. OBJECTIVE: The primary objective was to report nursing documentation of PSH events, and to describe the clinical nursing interventions and care provided to children who have suffered a severe brain injury and are exhibiting PSH. The secondary objective was to demonstrate how the Symptom Management Theory (SMT) can serve as a framework for research related to brain injury and PSH...
March 7, 2017: Journal of Pediatric Nursing
https://www.readbyqxmd.com/read/28266949/efficacy-of-a-biobehavioral-intervention-for-hot-flashes-a-randomized-controlled-pilot-study
#15
Debra L Barton, Kelliann C Fee Schroeder, Tanima Banerjee, Sherry Wolf, Timothy Z Keith, Gary Elkins
OBJECTIVE: The need for effective nonhormonal treatments for hot flash management without unwanted side effects continues. The primary aim of this pilot study was to evaluate the effect of combining a nonhormonal pharmacologic agent with a behavioral treatment for hot flash reduction. METHODS: Seventy-one postmenopausal women were randomized to one of four groups: venlafaxine 75 mg + hypnosis (VH) versus venlafaxine 75 mg + sham hypnosis (VSH) versus a placebo pill + hypnosis (PH) versus placebo pill + sham hypnosis (PSH)...
March 6, 2017: Menopause: the Journal of the North American Menopause Society
https://www.readbyqxmd.com/read/28229021/the-preventive-effect-of-dexmedetomidine-on-paroxysmal-sympathetic-hyperactivity-in-severe-traumatic-brain-injury-patients-who-have-undergone-surgery-a-retrospective-study
#16
Qilin Tang, Xiang Wu, Weiji Weng, Hongpeng Li, Junfeng Feng, Qing Mao, Guoyi Gao, Jiyao Jiang
BACKGROUND: Paroxysmal sympathetic hyperactivity (PSH) results and aggravates in secondary brain injury, which seriously affects the prognosis of severe traumatic brain injury patients. Although several studies have focused on the treatment of PSH, few have concentrated on its prevention. METHODS: Ninety post-operation (post-op) severe traumatic brain injury (sTBI) patients admitted from October 2014 to April 2016 were chosen to participate in this study. Fifty of the post-op sTBI patients were sedated with dexmedetomidine and were referred as the "dexmedetomidine group" (admitted from May 2015 to April 2016)...
2017: PeerJ
https://www.readbyqxmd.com/read/28219759/reevaluating-species-number-distribution-and-endemism-of-the-coral-genus-pocillopora-lamarck-1816-using-species-delimitation-methods-and-microsatellites
#17
P Gélin, B Postaire, C Fauvelot, H Magalon
Species delimitation methods based on genetic information, notably using single locus data, have been proposed as means of increasing the rate of biodiversity description, but can also be used to clarify complex taxonomies. In this study, we explore the species diversity within the cnidarian genus Pocillopora, widely distributed in the tropical belt of the Indo-Pacific Ocean. From 943 Pocillopora colonies sampled in the Western Indian Ocean, the Tropical Southwestern Pacific and Southeast Polynesia, representing a huge variety of morphotypes, we delineated Primary Species Hypotheses (PSH) applying the Automatic Barcode Gap Discovery method, the Poisson Tree Processes algorithm and the Generalized mixed Yule-coalescent model on two mitochondrial markers (Open Reading Frame and Dloop) and reconstructing a haploweb using one nuclear marker (Internal Transcribed Spacer 2)...
February 17, 2017: Molecular Phylogenetics and Evolution
https://www.readbyqxmd.com/read/28219140/-effects-of-transient-exposure-to-high-glucose-on-biological-behaviors-of-human-dermal-microvascular-endothelial-cells
#18
L Qiao, H Z Yang, X C Li, X Q Huang, B Yuan, Z D Zhou
Objective: To observe the effects of transient exposure to high glucose on biological behaviors of human dermal microvascular endothelial cells cultured in vitro. Methods: The dividing method and treatment of cells for the detection of all indexes in this study were as follows. Human dermal microvascular endothelial cells of the 4th passage were divided into 3 groups according to the random number table, with 12 wells in each group. Cells in control group (C) were cultured with complete culture solution containing 5 mmol/L D-glucose for 7 d...
February 20, 2017: Zhonghua Shao Shang za Zhi, Zhonghua Shaoshang Zazhi, Chinese Journal of Burns
https://www.readbyqxmd.com/read/28153741/differences-in-health-and-social-support-between-homeless-men-and-women-entering-permanent-supportive-housing
#19
Hailey Winetrobe, Suzanne Wenzel, Harmony Rhoades, Benjamin Henwood, Eric Rice, Taylor Harris
BACKGROUND: Permanent supportive housing (PSH) is the leading intervention to end chronic homelessness. Little is known, however, about gender differences, including potential disparities in physical and mental health and social support, that might inform services available through PSH. METHODS: This study included 421 homeless adults, at least 39 years old, English- or Spanish-speaking, who were moving into PSH through 26 different agencies in the Los Angeles area participated...
January 30, 2017: Women's Health Issues: Official Publication of the Jacobs Institute of Women's Health
https://www.readbyqxmd.com/read/28065261/expression-purification-and-enzymatic-characterization-of-intramembrane-proteases
#20
R Zhou, Y Shi, G Yang
Intramembrane proteases catalyze peptide bond hydrolysis in the lipid bilayer and play a key role in numerous cellular processes. These integral membrane enzymes consist of four classes: site-2 protease (S2P), rhomboid serine protease, Rce1-type glutamyl protease, and aspartyl protease exemplified by presenilin and signal peptide peptidase (SPP). Structural elucidation of these enzymes is important for mechanistic understanding of their functions, particularly their roles in cell signaling and debilitating diseases such as Parkinson's disease and Alzheimer's disease...
2017: Methods in Enzymology
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