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https://www.readbyqxmd.com/read/29331556/polypoidal-choroidal-vasculopathy-definition-pathogenesis-diagnosis-and-management
#1
REVIEW
Chui Ming Gemmy Cheung, Timothy Y Y Lai, Paisan Ruamviboonsuk, Shih-Jen Chen, Youxin Chen, K Bailey Freund, Fomi Gomi, Adrian H Koh, Won-Ki Lee, Tien Yin Wong
Polypoidal choroidal vasculopathy (PCV) is an age-related macular degeneration (AMD) subtype and is seen particularly in Asians. Previous studies have suggested disparity in response to intravitreal injections of anti-vascular endothelial growth factor (VEGF) agents between PCV and typical AMD, and thus, the preferred treatment for PCV has remained unclear. Recent research has provided novel insights into the pathogenesis of PCV, and imaging studies based on OCT suggest that PCV belongs to a spectrum of conditions characterized by pachychoroid, in which disturbance in the choroidal circulation seems to be central to its pathogenesis...
January 10, 2018: Ophthalmology
https://www.readbyqxmd.com/read/29329169/differences-in-immunization-site-pain-in-toddlers-vaccinated-with-either-the-10-or-the-13-valent-pneumococcal-conjugate-vaccine
#2
Johannes Trück, Sarah Kelly, Sena Jawad, Matthew D Snape, Merryn Voysey, Andrew J Pollard
We investigated immediate immunization pain in 12-month-old children randomized to receive a booster dose of either the 10- (PCV-10) or the 13-valent (PCV-13) pneumococcal conjugate vaccine. Pain was assessed using validated pain assessment tools and crying time. PCV-13 recipients had significantly higher scores on the observer-rated modified behavioral pain scale than did those receiving PCV-10, but the differences were small.Clinical trial registration at Clinicaltrials.gov (NCT01443416).
January 10, 2018: Pediatric Infectious Disease Journal
https://www.readbyqxmd.com/read/29326855/all-types-of-age-related-macular-degeneration-in-one-patient
#3
Zafer Cebeci, Nur Kır
Herein, we describe a neovascular age-related macular degeneration patient with retinal angiomatous proliferation (RAP) and polypoidal choroidal vasculopathy (PCV) coexisting in the same eye at the time of diagnosis. A 55-year-old woman presented with a history of decreased vision in her left eye. Fundoscopy, fluorescein and indocyanine green angiography, and optical coherence tomography imaging revealed RAP and PCV lesions in her left eye at first diagnosis. The patient received intravitreal ranibizumab therapy but developed tachyphylaxis after the first dose despite having three monthly doses...
December 2017: Turkish Journal of Ophthalmology
https://www.readbyqxmd.com/read/29324568/effects-of-pressure-support-ventilation-on-ventilator-induced-lung-injury-in-mild-acute-respiratory-distress-syndrome-depend-on-level-of-positive-end-expiratory-pressure
#4
Paulo A F Magalhães, Gisele de A Padilha, Lillian Moraes, Cíntia L Santos, Ligia de A Maia, Cassia L Braga, Maria do Carmo M B Duarte, Lívia B Andrade, Alberto Schanaider, Vera L Capellozzi, Robert Huhle, Marcelo Gama de Abreu, Paolo Pelosi, Patricia R M Rocco, Pedro L Silva
BACKGROUND: Harmful effects of spontaneous breathing have been shown in experimental severe acute respiratory distress syndrome (ARDS). However, in the clinical setting, spontaneous respiration has been indicated only in mild ARDS. To date, no study has compared the effects of spontaneous assisted breathing with those of fully controlled mechanical ventilation at different levels of positive end-expiratory pressure (PEEP) on lung injury in ARDS. OBJECTIVE: To compare the effects of assisted pressure support ventilation (PSV) with pressure-controlled ventilation (PCV) on lung function, histology and biological markers at two different PEEP levels in mild ARDS in rats...
January 10, 2018: European Journal of Anaesthesiology
https://www.readbyqxmd.com/read/29323771/association-of-igfn1-variant-with-polypoidal-choroidal-vasculopathy
#5
Xiaofeng Wen, Yu Liu, Qi Yan, Minling Liang, Miao Tang, Ran Liu, Jianying Pan, Qiuhui Liu, Tingting Chen, Shixin Guo, Juanran Liang, Lin Lu, Xiaoyan Ding, Wei Chen, Lai Wei
BACKGROUND: Polypoidal choroidal vasculopathy (PCV) and neovascular age-related macular degeneration (nAMD) share similar phenotype but are different in clinical manifestations, responses to treatment, and prognosis. Whether PCV is a subtype of AMD or a distinct entity from nAMD remains elusive. Therefore, we performed a whole-exome sequencing (WES) based association analysis to compare the genetic architecture of PCV and nAMD in Han Chinese. METHODS: Whole-exome sequencing analysis was performed on 21 nAMD cases, 20 PCV cases and 20 healthy controls...
January 11, 2018: Journal of Gene Medicine
https://www.readbyqxmd.com/read/29306151/enhancement-of-immune-response-of-piglets-to-pcv-2-vaccine-by-porcine-il-2-and-fusion-il-4-6-gene-entrapped-in-chitosan-nanoparticles
#6
Yi Chen, Tingyu Song, Yong-Le Xiao, Xiaoping Wan, Luyi Yang, Jinghai Li, Guangzhi Zeng, Pengfei Fang, Ze-Zhou Wang, Rong Gao
In order to develop a novel effective immunomodulator to enhance pig resistance against post-weaning multi systemic wasting syndrome (PMWS), a recombinant plasmid co-expressing pig interleukin-2 (IL-2) and fusion interleukin-4/6 (IL-4/6) genes, designated VRIL4/6-2, was constructed and encapsulated in chitosan (CS) nanoparticles prepared by the ionotropic gelation method. Then 21-day old piglets were divided into two groups and intramuscularly injected respectively with VPIL4/6-2-CS and saline along with the porcine circovirus-2 (PCV-2) vaccine...
December 29, 2017: Research in Veterinary Science
https://www.readbyqxmd.com/read/29304066/burden-of-invasive-pneumococcal-disease-among-children-in-rural-mozambique-2001-2012
#7
Betuel Sigaúque, Jennifer R Verani, Sérgio Massora, Delfino Vubil, Llorenç Quintó, Sozinho Acácio, Inácio Mandomando, Quique Bassat, Tacilta Nhampossa, Fabiana Pimenta, Charfudin Sacoor, Maria da Gloria Carvalho, Eusebio Macete, Pedro L Alonso
BACKGROUND: Invasive pneumococcal disease (IPD) is a major cause of illness and death among children worldwide. 10-valent pneumococcal conjugate vaccine (PCV10) was introduced as part of the Mozambican routine immunization program in April 2013. We characterized the IPD burden in a rural area of Mozambique before PCV introduction and estimated the potential impact of this intervention. METHODS: We conducted population-based surveillance for IPD, defined as S. pneumoniae isolated from blood or cerebrospinal fluid, among children <5 years old admitted to Manhiça District Hospital, a referral hospital in a rural area with high prevalence of human immunodiciency virus infection...
2018: PloS One
https://www.readbyqxmd.com/read/29303905/effect-of-pressure-controlled-inverse-ratio-ventilation-on-dead-space-during-robot-assisted-laparoscopic-radical-prostatectomy-a-randomised-crossover-study-of-three-different-ventilator-modes
#8
Go Hirabayashi, Yukihiko Ogihara, Shoichi Tsukakoshi, Kiyoshi Daimatsu, Masaaki Inoue, Kiyoyasu Kurahashi, Koichi Maruyama, Tomio Andoh
BACKGROUND: Pressure-controlled inverse inspiratory to expiratory ratio ventilation (PC-IRV) is thought to be beneficial for reducing the dead space volume. OBJECTIVE: To investigate the effects of PC-IRV on the components of dead space during robot-assisted laparoscopic radical prostatectomy (RLRP). DESIGN: A randomised crossover study of three different ventilator modes. SETTING: A single university hospital from September 2014 to April 2015...
January 4, 2018: European Journal of Anaesthesiology
https://www.readbyqxmd.com/read/29302789/hyperpigmented-spots-after-treatment-for-submacular-hemorrhage-secondary-to-polypoidal-choroidal-vasculopathy
#9
Jae Hui Kim, Young Suk Chang, Chul Gu Kim, Dong Won Lee, Jung Il Han
PURPOSE: To investigate the characteristics and clinical course of hyperpigmented spots after submacular hemorrhage secondary to polypoidal choroidal vasculopathy (PCV). METHODS: This retrospective, observational study included 87 eyes initially treated with three anti-vascular endothelial growth factor (VEGF) injections for submacular hemorrhage secondary to PCV. Patients were divided into two groups according to the presence of multiple small, dark-gray or black, pigmented lesions after initial treatment: the hyperpigmented spots group and no-hyperpigmented spots group...
January 4, 2018: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/29297167/health-status-of-pelophylax-ridibundus-amphibia-ranidae-in-a-rice-paddy-ecosystem-in-southern-bulgaria-and-its-importance-in-assessing-environmental-state-haematological-parameters
#10
Zhivko Zhelev, Stefan Tsonev, Katerina Georgieva, Desislava Arnaudova
Pollution effects on haematological parameters in Pelophylax ridibundus individuals were investigated; animals were collected from two sites in Southern Bulgaria: the Tsalapitsa rice fields (RF) and the Vacha river (reference site, RS). Blood analysis showed significant differences between the haematological parameters of RBC, WBC, Hb, packed cell volume (PCV) and frogs' leucogram from RF and those from RS. These findings provide information on long-term background pollution of the habitat (RF) under investigation...
January 3, 2018: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29287882/changes-in-the-epidemiology-and-clinical-features-of-acute-mastoiditis-following-the-introduction-of-the-pneumococcal-conjugate-vaccine
#11
Oren Cavel, Riva Tauman, Eli Simsolo, Danny Yafit, Efrat Reindorf-Kfir, Oshri Wasserzug, Omer Unger, Ophir Handzel, Gadi Fishman, Yael Oestreicher-Kedem, Ari DeRowe
OBJECTIVES: Seven years after the introduction of the pneumococcal conjugate vaccines (PCV) in Israel, its effect on the incidence and severity of episodes of acute mastoiditis (AM) remains unclear. The primary objective of this study was to determine the incidence of AM and describe its clinical features in children during the years that followed the introduction of the PCV13 in comparison with the pre-PCV period. METHODS: Included in this retrospective comparative case series were all pediatric patients diagnosed with AM between Jan...
January 2018: International Journal of Pediatric Otorhinolaryngology
https://www.readbyqxmd.com/read/29287598/molecular-screening-of-tsetse-flies-and-cattle-reveal-different-trypanosoma-species-including-t-grayi-and-t-theileri-in-northern-cameroon
#12
Sen Claudine Henriette Ngomtcho, Judith Sophie Weber, Elisabeth Ngo Bum, Thaddeus Terlumun Gbem, Sørge Kelm, Mbunkah Daniel Achukwi
BACKGROUND: African trypanosomes are mainly transmitted through the bite of tsetse flies (Glossina spp.). The present study investigated the occurrence of pathogenic trypanosomes in tsetse flies and cattle in tsetse fly-infested areas of Northern Cameroon. RESULTS: Trypanosomes were identified using nested polymerase chain reaction (PCR) analysis of internal transcribed spacer 1 (ITS1) region, both by size estimation and sequencing of PCR products. Apparent density indices recorded in Gamba and Dodeo were 3...
December 29, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/29279658/macular-hole-secondary-to-polypoidal-choroidal-vasculopathy
#13
Prabu Baskaran, Utsab Pan
We report a case of polypoidal choroidal vasculopathy (PCV) presented with massive submacular hemorrhage (SMH) and macular hole (MH). Spectral domain optical coherence tomography confirmed the presence of MH along with SMH and also revealed an extrafoveal-notched pigment epithelium detachment (PED) suggestive of PCV. Urgent pneumatic displacement with perfluoropropane (C3F8) was done. Indocyanine green angiography done 3 weeks later showed polyps in the superonasal macula corresponding to PED. Extrafoveal polyps were treated with laser photocoagulation...
July 2017: Middle East African Journal of Ophthalmology
https://www.readbyqxmd.com/read/29279284/re-emergence-of-pneumococcal-colonization-by-vaccine-serotype-19f-in-persons-aged-%C3%A2-5-years-after-13-valent-pneumococcal-conjugate-vaccine-introduction-alaska-2008-2013
#14
Prabhu P Gounder, Dana Bruden, Karen Rudolph, Tammy Zulz, Debby Hurlburt, Gail Thompson, Michael G Bruce, Thomas W Hennessy
BACKGROUND: The pneumococcal conjugate vaccine (PCV) was introduced in 2001. Widespread PCV use nearly eradicated pneumococcal colonization by vaccine serotypes. Since 2008, however, colonization by PCV-serotype 19F has increased in Alaska residents. We describe the epidemiology of re-emerging serotype 19F colonization. METHODS: We conducted annual cross-sectional colonization surveys from 2008 to 2013. We recruited children aged <5 years at 2 urban clinics and participants of all ages from Region-A (2 villages), Region-B (4 villages), and Region-C (2 villages)...
December 23, 2017: Vaccine
https://www.readbyqxmd.com/read/29277365/effect-of-agaricus-bisporus-enriched-diet-on-growth-hematology-and-immune-protection-in-clarias-gariepinus-against-flavobacterium-columnare
#15
Ramasamy Harikrishnan, Adil Naafar, Mohamed Saiyad Musthafa, Anis Ahamed, Ibrahim A Arif, Chellam Balasundaram
The purpose of the present study was to find out the effect of dietary enriched button mushroom, Agaricus bisporus at 1%, 5%, and 10% levels on growth performance, hematology, nonspecific immune responses, and disease resistance in catfish, Clarias gariepinus against Flavobacterium columnare for a period of four weeks. The percentage weight gain and specific growth rate (SGR) were higher in the infected fish fed with 5% A. bisporus enriched diet than with 1% and 10% diets. The red blood cell (RBC), white blood cell (WBC), hematocrit (PCV), and haemoglobin (Hb) values are similar (p > ...
December 19, 2017: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/29276655/polypoidal-choroidal-vasculopathy
#16
Joon-Bom Kim, Rajinder S Nirwan, Ajay E Kuriyan
Purpose of Review: The goal of this paper is to review the recent literature of polypoidal choroidal vasculopathy (PCV) and provide an update on the epidemiology, pathophysiology, clinical findings, and management. Recent Findings: Although indocyanine-green angiography (ICGA) is still the gold standard for diagnosis of PCV, the use of en face optical coherence tomography (OCT) and OCT angiography are useful tools in the diagnosis of PCV. Studies demonstrate superior treatment outcomes with combination photodynamic therapy (PDT) and anti-vascular endothelial growth factor (VEGF) therapy...
June 2017: Current Ophthalmology Reports
https://www.readbyqxmd.com/read/29259909/prevalence-and-treatment-patterns-of-ranibizumab-and-photodynamic-therapy-in-a-tertiary-care-setting-in-malaysia
#17
Nur Afiqah Mohamad, Vasudevan Ramachandran, Patimah Ismail, Hazlita Mohd Isa, Yoke Mun Chan, Nor Fariza Ngah, Norshakimah Md Bakri, Siew Mooi Ching, Fan Kee Hoo, Wan Aliaa Wan Sulaiman
AIM: To describe the prevalence and changes in treatment patterns of ranibizumab and photodynamic therapy (PDT) among retinal disease patients who attended the Ophthalmology Clinic in the tertiary care Hospital Selayang from 2010 to 2014. METHODS: Study subjects were recruited retrospectively using the Electronic Medical Record (EMR) database software in Hospital Selayang. Demographic data, medical history, diagnostic procedure, treatments and diagnosis of patients were recorded...
2017: International Journal of Ophthalmology
https://www.readbyqxmd.com/read/29258705/invasive-pneumococcal-disease-in-children-under-16%C3%A2-years-of-age-incomplete-rebound-in-incidence-after-the-maximum-effect-of-pcv13-in-2012-13-in-germany
#18
Raphael Weinberger, Rüdiger von Kries, Mark van der Linden, Thorsten Rieck, Anette Siedler, Gerhard Falkenhorst
OBJECTIVE: To identify a potential nadir of the impact of pneumococcal conjugate vaccination (PCV) in infancy on invasive pneumococcal diseases (IPD) in children under 16 in Germany. METHODS: Active surveillance on IPD based on two independent data sources with capture-recapture correction for underreporting. Annual incidence rates by age group, serotypes, site of infection, and relative incidence reduction compared to pre-vaccination period (1997-2001) at nadir and for the most recent season are reported...
December 16, 2017: Vaccine
https://www.readbyqxmd.com/read/29248266/serotype-specific-immune-responses-to-pneumococcal-conjugate-vaccine-among-children-are-significantly-correlated-by-individual-analysis-of-randomized-controlled-trial-data
#19
Marc Lipsitch, Lucy M Li, Scott Patterson, James Trammel, Christine Juergens, William C Gruber, Daniel A Scott, Ron Dagan
BACKGROUND: The magnitude of an individual's serotype-specific immunoglobulin G (IgG) response to a pneumococcal conjugate vaccine (PCV) has been associated with the vaccine's protective efficacy against carriage of pneumococci of that serotype, though the relationship with other serotypes needs to be understood. METHODS: Using immunogenicity data collected during a trial comparing the 7-valent (PCV7) and 13-valent (PCV13) vaccines, we measured associations between serotype-specific IgG levels, and used multiple regressions to identify demographic predictors of response...
December 13, 2017: Vaccine
https://www.readbyqxmd.com/read/29242654/comparison-of-volume-control-and-pressure-control-ventilation-in-patients-undergoing-single-level-anterior-cervical-discectomy-and-fusion-surgery
#20
Srilata Moningi, Praveen Kumar Elmati, Prasad Rao, Geetha Kanithi, Dilip Kumar Kulkarni, Gopinath Ramachandran
Background and Aims: Pressure control and volume control ventilation are the most preferred modes of ventilator techniques available in the intraoperative period. The study compared the intraoperative ventilator and blood gas variables of volume-controlled ventilation (VCV) and pressure-controlled ventilation (PCV) in patients undergoing single level anterior cervical discectomy and fusion (ACDF). Methods: After obtaining Institutional Ethical Committee approval and informed consent, sixty patients scheduled for single level ACDF surgery performed in supine position under general anaesthesia were included...
October 2017: Indian Journal of Anaesthesia
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