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Caitlin McConnico, Suzanne L Jed, Eva Marumo, Sipho Mazibuko, Gladys Makati Mema, Julia DeKadt, King K Holmes, Pamela K Kohler
Sexually transmitted infection (STI) service delivery in the context of integrated care and the South African HIV epidemic is complex. We aimed to document STI care and HIV testing processes in public health clinics in South Africa, revealing bottlenecks to patient flow and identifying opportunities for improvement. Clinic mapping, with semi-structured interviews and clinic observation, was conducted with facility representatives at three clinical sentinel surveillance sites. Facility surveys assessed patient volume and staffing...
September 17, 2016: Journal of the Association of Nurses in AIDS Care: JANAC
C Nos, K B Clough, P Bonnier, S Lasry, G Le Bouedec, B Flipo, J-M Classe, M-C Missana, V Doridot, S Giard, H Charitansky, A Charles-Nelson, A-S Bats, C Ngo
BACKGROUND: Two thirds of node-positive breast cancer patients have limited pN1 disease and could benefit from a less extensive axillary lymph node dissection (ALND). METHODS: 172 breast cancers patients requiring an ALND were prospectively enrolled in the Sentibras Protocol of Axillary Reverse Mapping (ARM). Radioisotope was injected in the ipsilateral hand the day before surgery. ALND was standard. Removed lymph nodes were classified into non radioactive nodes and radioactive nodes (ARM nodes)...
August 26, 2016: European Journal of Surgical Oncology
Suwanna Chaorattanakawee, Chanthap Lon, Krisada Jongsakul, Jariyanart Gawee, Somethy Sok, Siratchana Sundrakes, Nareth Kong, Chatchadaporn Thamnurak, Soklyda Chann, Sorayut Chattrakarn, Chantida Praditpol, Nillawan Buathong, Nichapat Uthaimongkol, Philip Smith, Narongrid Sirisopana, Rekol Huy, Satharath Prom, Mark M Fukuda, Delia Bethell, Douglas S Walsh, Charlotte Lanteri, David Saunders
BACKGROUND: The recent dramatic decline in dihydroartemisinin-piperaquine (DHA-PPQ) efficacy in northwestern Cambodia has raised concerns about the rapid spread of piperaquine resistance just as DHA-PPQ is being introduced as first-line therapy in neighbouring countries. METHODS: Ex vivo parasite susceptibilities were tracked to determine the rate of progression of DHA, PPQ and mefloquine (MQ) resistance from sentinel sites on the Thai-Cambodian and Thai-Myanmar borders from 2010 to 2015...
October 21, 2016: Malaria Journal
Gavish Munbauhal, Thomas Seisen, Florie D Gomez, Benoit Peyronnet, Olivier Cussenot, Shahrokh F Shariat, Morgan Rouprêt
The sentinel lymph node dissection (SLND) concept relies on the accurate detection of primary nodal landing sites and could represent a major advancement towards accurate, non-invasive pelvic staging in prostate cancer (PCa). Different iterations of the technique have now been validated and reproduced mostly in large-volume centres. The existing evidence denotes the feasibility and sensitivity of SLND, with encouraging pre- and intraoperative detection rates of 98% and 96%. Yet, current surgical practice mandates a backup template dissection due to a false negative rate, up to 7...
October 6, 2016: Cancer Treatment Reviews
Shaoping Huang, Jing Wang, Lei Wang
INTRODUCTION: Lymphatic invasion (LYI) and lymphangiogenesis in the primary tumor are important processes related to the dissemination of neoplasms. The aim of the study was to examine the relationship of LYI status in cutaneous melanoma with patient survival and clinicopathological data. MATERIAL AND METHODS: LYI status was assessed in 104 hematoxylin-eosin (H&E) stained melanoma primary tumor samples and analyzed in relation to patient survival and other clinicopathological and histopathological characteristics...
2016: Folia Histochemica et Cytobiologica
Damian Hoy, Salanieta T Saketa, Roy Roger Maraka, Alison Sio, Ian Wanyeki, Pascal Frison, Divi Ogaoga, Dennie Iniakawala, Cynthia Joshua, Sala Duituturaga, Christelle Lepers, Adam Roth, Paul White, Yvan Souares
Mass gatherings pose public health challenges to host countries, as they can cause or exacerbate disease outbreaks within the host location or elsewhere. In July 2012, the 11th Festival of Pacific Arts (FOPA), a mass gathering event involving 22 Pacific island states and territories, was hosted by Solomon Islands. An enhanced syndromic surveillance (ESS) system was implemented for the event. Throughout the capital city, Honiara, 15 sentinel sites were established and successfully took part in the ESS system, which commenced one week before the FOPA (25 June) and concluded eight days after the event (22 July)...
July 2016: Western Pacific Surveillance and Response Journal: WPSAR
H G Schnürch, S Ackermann, C D Alt, J Barinoff, C Böing, C Dannecker, F Gieseking, A Günthert, P Hantschmann, L C Horn, R Kürzl, P Mallmann, S Marnitz, G Mehlhorn, C C Hack, M C Koch, U Torsten, W Weikel, L Wölber, M Hampl
Purpose: This is an official guideline, published and coordinated by the Arbeitsgemeinschaft Gynäkologische Onkologie (AGO, Study Group for Gynecologic Oncology) of the Deutsche Krebsgesellschaft (DKG, German Cancer Society) and the Deutsche Gesellschaft für Gynäkologie und Geburtshilfe (DGGG, German Society for Gynecology and Obstetrics). The number of cases with vulvar cancer is on the rise, but because of the former rarity of this condition and the resulting lack of literature with a high level of evidence, in many areas knowledge of the optimal clinical management still lags behind what would be required...
October 2016: Geburtshilfe und Frauenheilkunde
J Y Zhao, X J Shen, B F Zhang, Z Q Wang, S L Xia, X Y Huang, B L Xu
Objective: To investigate the infection status of human rotavirus, calicivirus, astrovirus and enteric adenovirus in children aged <5 years in disease surveillance areas in Henan province from 2013 to 2015. Methods: A total of 880 stool samples were collected from four sentinel hospitals and group A rotavirus was detected by ELISA and group A rotavirus G/P genotyping was performed with nested multiplex RT-PCR, while rotavirus (group B, C), calicivirus and astrovirus were detected by two-step multiplex RT-PCR and adenovirus were detected by PCR...
October 10, 2016: Zhonghua Liu Xing Bing Xue za Zhi, Zhonghua Liuxingbingxue Zazhi
Johanna M Kraus, Polly P Gibson, David M Walters, Marc A Mills
Riparian spiders are being used increasingly to track spatial patterns of contaminants in and fluxing from aquatic ecosystems. However, our understanding of the circumstances under which spiders are effective sentinels of aquatic pollution is limited. Here we test the hypothesis that riparian spiders may be effectively used to track spatial patterns of sediment pollution by polychlorinated biphenyls (PCBs) in aquatic ecosystems with high habitat heterogeneity. We found that spatial pattern of ΣPCB concentrations in two common families of riparian spiders sampled in 2011-2013 generally tracked spatial variation in sediment ΣPCBs across all sites within the Manistique River Great Lakes Area of Concern (AOC), a rivermouth ecosystem located on the south shore of the Upper Peninsula, Manistique, MI, that includes harbor, river, backwater, and lake habitats...
October 20, 2016: Environmental Toxicology and Chemistry
Felix Meincke, Tobias Spangenberg, Felix Kreidel, Christian Frerker, Renu Virmani, Elena Ladich, Karl-Heinz Kuck, Alexander Ghanem
AIMS: Aims of this case-series were to assess the feasibility of cerebral protection devices in interventional left atrial appendage occlusion (iLAAO) procedures and to yield insight into the pathomorphological correlate of early, procedural cerebral embolization during iLAAO. METHODS AND RESULTS: Five consecutive patients underwent iLLO flanked by the Sentinel CPS® (Claret Medical, Inc., Santa Rosa, CA) cerebral protection system. Placement and recapture of the Sentinel(®) device as well as the iLAAO were successful and safe in all cases...
October 20, 2016: Catheterization and Cardiovascular Interventions
Nijuan Xiang, Tian Bai, Kai Kang, Hui Yuan, Suizan Zhou, Ruiqi Ren, Xiuying Li, Jiabing Wu, Liquan Deng, Ge Zeng, Xianjun Wang, Shenghua Mao, Jian Shi, Rongbao Gao, Tao Chen, Sumei Zou, Dan Li, Fiona Havers, Marc-Alain Widdowson, Carolyn M Greene, Yanping Zhang, Daxin Ni, Xiaoqing Liu, Qun Li, Yuelong Shu
BACKGROUND: The first human infections of novel avian influenza A(H7N9) virus were identified in China in March 2013. Sentinel surveillance systems and contact tracing may not identify mild and asymptomatic human infections of influenza A(H7N9) virus. OBJECTIVES: We assessed the seroprevalence of antibodies to influenza A(H7N9) virus in three populations during the early stages of the epidemic. PATIENTS/METHODS: From March 2013-May 2014, we collected sera from the general population, poultry workers and contacts of confirmed infections in nine Chinese provinces reporting human A(H7N9) infections and, for contacts, second sera 2-3 weeks later...
October 20, 2016: Influenza and Other Respiratory Viruses
Mareike Kroll, Revati Phalkey, Sayani Dutta, Sharvari Shukla, Carsten Butsch, Erach Bharucha, Frauke Kraas
BACKGROUND: Despite the rising impact of non-communicable diseases (NCDs) on public health in India, lack of quality data and routine surveillance hampers the planning process for NCD prevention and control. Current surveillance programs focus largely on communicable diseases and do not adequately include the private healthcare sector as a major source of care in cities. OBJECTIVE: The objective of the study was to conceptualize, implement, and evaluate a prototype for an urban NCD sentinel surveillance system among private healthcare practitioners providing primary care in Pune, India...
2016: Global Health Action
Parnian Ahmadi Moghaddam, Kristine M Cornejo, Lloyd Hutchinson, Keith Tomaszewicz, Karen Dresser, April Deng, Patrick OʼDonnell
Merkel cell carcinoma (MCC) is a rare primary cutaneous neuroendocrine tumor that typically occurs on the head and neck of the elderly and follows an aggressive clinical course. Merkel cell polyomavirus (MCPyV) has been identified in up to 80% of cases and has been shown to participate in MCC tumorigenesis. Complete spontaneous regression of MCC has been rarely reported in the literature. We describe a case of a 79-year-old man that presented with a rapidly growing, 3-cm mass on the left jaw. An incisional biopsy revealed MCC...
October 12, 2016: American Journal of Dermatopathology
Elizabeth M Todd, Julie Y Zhou, Taylor P Szasz, Lauren E Deady, June A D'Angelo, Matthew D Cheung, Alfred H J Kim, Sharon Celeste Morley
Alveolar macrophages are lung-resident sentinel cells that develop perinatally and protect against pulmonary infection. Molecular mechanisms controlling alveolar macrophage generation have not been fully defined. Here we show that the actin-bundling protein L-plastin (LPL) is required for the perinatal development of alveolar macrophages. Mice expressing a conditional allele of LPL (CD11c.Cre(pos)-LPL(fl/fl)) exhibited significant reductions in alveolar macrophages and failed to effectively clear pulmonary pneumococcal infection, showing that immunodeficiency results from reduced alveolar macrophage numbers...
October 6, 2016: Blood
S F Lax, K F Tamussino, P F Lang
Malignancies of the uterus metastasize by direct invasion of neighboring structures, lymphatically or hematogenously. Endometrial and cervical cancers lymphatically spread to the pelvic and para-aortic lymph nodes. For endometrial cancer the depth of myometrial invasion, lymphosvascular space involvement (LVSI) and a microcystic, elongated and fragmented (MELF) glandular invasion pattern are predictors for lymph node metastases. Metastases to the pelvic lymph nodes occur in approximately 10 % of endometrial cancer patients and in 30 % of these cases the para-aortic lymph nodes are also involved...
October 18, 2016: Der Pathologe
Zhonglan Wu, Lijia Cui, Weiming Zhao, Dongzhi Yang, Hui Chen, Ruiqing Wang, Xuemin Wang, Linqi Zhang, Tianhua He
BACKGROUND: Current prevalence and genotype distribution of hepatitis C virus (HCV) infection remain unknown in Ningxia, northwest China. METHODS: From June to December 2013, 13,022 individuals were screened in Ningxia HIV/AIDS Sentinel Surveillance System, with their demographic features collected and serum samples tested for HCV antibody. Sero-positive drug users were further subjected to sequencing of NS5B and Core regions of HCV. RESULTS: The anti-HCV prevalence was 0...
October 18, 2016: Virology Journal
Yue Yu, Ning Cui, Heng-Yu Li, Yan-Mei Wu, Lu Xu, Min Fang, Yuan Sheng
BACKGROUND: To evaluate the accuracy of sentinel lymph node biopsy (SLNB) after neoadjuvant chemotherapy (NAC) in breast cancer patients with axillary lymph node (ALN) metastasis. METHODS: A total of 122 patients with operable breast cancer were enrolled in this single-center retrospective study. Eighty patients were clinically diagnosed with a positive axillary lymph node (ALN) via imaging or physical examination (including 66 patients with biopsy-proven metastasis)...
October 18, 2016: BMC Cancer
Derya İlem-Özdemir, Ulkem Yararbas, Baha Zengel, Gökhan Ertan, Makbule Asikoglu
The sentinel lymph node (SLN) is defined as the first regional lymph node to receive lymphatic drainage from a malignant tumor. Therefore, this node is a "sentinel" for second metastatic lymph node stations and for labeling regional tumor spread. For SLN detection, many surgeons preferred a combination of a preoperative injection of radiolabeled colloid and the intraoperative injection of blue dye. Under this combination protocol, nodes are considered to be "sentinel nodes" if they are radioactive and blue...
October 11, 2016: Applied Radiation and Isotopes
Fred Wabwire-Mangen, Derrick E Mimbe, Bernard Erima, Edison A Mworozi, Monica Millard, Hannah Kibuuka, Luswa Lukwago, Josephine Bwogi, Jocelyn Kiconco, Titus Tugume, Sophia Mulei, Christine Ikomera, Sharon Tsui, Stephen Malinzi, Simon Kasasa, Rodney Coldren, Denis K Byarugaba
INTRODUCTION: Influenza surveillance was conducted in Uganda from October 2008 to December 2014 to identify and understand the epidemiology of circulating influenza strains in out-patient clinic attendees with influenza-like illness and inform control strategies. METHODOLOGY: Surveillance was conducted at five hospital-based sentinel sites. Nasopharyngeal and/or oropharyngeal samples, epidemiological and clinical data were collected from enrolled patients. Real-time reverse transcription polymerase chain reaction (RT-PCR) was performed to identify and subtype influenza strains...
2016: PloS One
Aleksija S Neimanis, Charlotta Moraeus, Anders Bergman, Anders Bignert, Johan Höglund, Karl Lundström, Annika Strömberg, Britt-Marie Bäcklin
The biliary trematode Pseudamphistomum truncatum parasitizes a wide range of fish-eating mammals, including humans. Here we report the emergence of this parasite in grey seals (Halichoerus grypus) in the Baltic Sea. One hundred eighty-three of 1 554 grey seals (11.9%) examined from 2002-2013 had detectable hepatobiliary trematode infection. Parasite identification was confirmed as P. truncatum by sequencing the ITS2 region of a pool of five to 10 trematodes from each of ten seals collected off the coast of seven different Swedish counties...
2016: PloS One
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