Search Results - "Samuel, Catherine"

Rapid diagnosis of cryptococcal meningitis by use of lateral flow assay on cerebrospinal fluid samples: influence of the high-dose "hook" effect by Lourens, Adré, Jarvis, Joseph N, Meintjes, Graeme, Samuel, Catherine M

“…Cryptococcal meningitis is the most frequent cause of meningitis and a major cause of mortality in HIV-infected adults in Africa. This study evaluated the…”
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Improved detection of Pneumocystis jirovecii in upper and lower respiratory tract specimens from children with suspected pneumocystis pneumonia using real-time PCR: a prospective study by Samuel, Catherine M, Whitelaw, Andrew, Corcoran, Craig, Morrow, Brenda, Hsiao, Nei-Yuan, Zampoli, Marco, Zar, Heather J

“…Pneumocystis pneumonia (PCP) is a major cause of hospitalization and mortality in HIV-infected African children. Microbiologic diagnosis relies predominantly…”
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Pneumocystis pneumonia in South African children diagnosed by molecular methods by Morrow, Brenda M, Samuel, Catherine M, Zampoli, Marco, Whitelaw, Andrew, Zar, Heather J

“…Pneumocystis pneumonia (PCP) is an important cause of hospitalization and mortality in HIV-infected children. However, the incidence of PCP has been…”
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In vitro activity of ceftazidime-avibactam against clinical isolates of Enterobacterales and Pseudomonas aeruginosa from sub-Saharan Africa: ATLAS Global Surveillance Program 2017–2021 by Wise, Mark G., Karlowsky, James A., Hackel, Meredith A., Harti, Mohamed Amine, Ntshole, Bontle M.E., Njagua, Eva Njeri, Oladele, Rita, Samuel, Catherine, Khan, Shameema, Wadula, Jeannette, Lowman, Warren, Lembede, Busisani W., Sahm, Daniel F.

“…•96.2% of all Enterobacterales isolates were ceftazidime-avibactam-susceptible.•Most ceftazidime-avibactam-resistant Enterobacterales isolates carried MBL…”
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Epidemiologic Shift in Candidemia Driven by Candida auris, South Africa, 2016-2017 by Lowman, Warren, Wadula, Jeannette, Mpembe, Ruth S, Karstaedt, Alan S, Ramjathan, Praksha, van Schalkwyk, Erika, Dawood, Halima, Avenant, Theunis, Ismail, Husna, Shuping, Liliwe, Govind, Chetna N, Thomas, Juno, Chibabhai, Vindana, Messina, Angeliki, Moodley, Krishnee, Govender, Nelesh P

“…Candida auris is an invasive healthcare-associated fungal pathogen. Cases of candidemia, defined as illness in patients with Candida cultured from blood, were…”
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In Vitro Antifungal Resistance of Candida auris Isolates from Bloodstream Infections, South Africa by Maphanga, Tsidiso G, Naicker, Serisha D, Kwenda, Stanford, Muñoz, Jose F, van Schalkwyk, Erika, Wadula, Jeannette, Nana, Trusha, Ismail, Arshad, Coetzee, Jennifer, Govind, Chetna, Mtshali, Phillip S, Mpembe, Ruth S, Govender, Nelesh P

“…Candida auris is a multidrug-resistant fungal pathogen that is endemic in South African hospitals. We tested bloodstream C. auris isolates that were submitted…”
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Pneumocystis jirovecii infection of the external auditory canal by Samuel, Catherine Mary, Maistry, Sairita, Meyer, Estie, Whitelaw, Andrew

“…Pneumocystis jirovecii is well known to cause interstitial plasma cell pneumonia in immunocompromised patients. It has been implicated as a rare cause of…”
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Multi-channel MRI Embedding: An Effective Strategy for Enhancing Brain Tumor Segmentation by Pandya, Apurva, Samuel, Catherine, Patel, Nisargkumar, Patel, Vaibhavkumar, Akilan, Thangarajah

“…A brain tumor is a collection or a mass of abnormal cells in the brain. One of the most important diagnostic tasks in medical image processing is the brain…”
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Outcomes of flucytosine-containing combination treatment for cryptococcal meningitis in a South African national access programme: a cross-sectional observational study by Mashau, Rudzani C, Meiring, Susan T, Nel, Jeremy, Garcia, Andrea, Menezes, Colin, Stacey, Sarah, Madua, Matamela, Meintjes, Graeme, Shroufi, Amir, Black, John, Govender, Nelesh P, Pearce, Vanessa, Moncho, Masego, Wadula, Jeanette, Maloba, Motlatji, Hoosen, Anwar, Verwey, Charl, Menezes, Colin, Moore, David, Pombo, Dina, Reubenson, Gary, Ntlemo, Grace, Richards, Lauren, Tsitsi, Merika, Moshe, Moamokgethi, Said, Mohammed, Mothibi, Lesego, Chomba, Rispah, Thomas, Teena, Avenant, Theunis, Nana, Trusha, Chibabhai, Vindana, Maharj, Adhil, Wilson, Douglas, Naby, Fathima, Dawood, Halima, Han, Khine Swe Swe, Sookan, Lisha, Dlamini, Nomonde, Bhola, Prathna, Haffejee, Sumayya, Ramkillawan, Yeishna, Sibiya, Ngoaka, Mangena, Phetho, Ntuli, Sindi, Variava, Ebrahim, Khantsi, Ignatius, Mekgoe, Omphile, Brink, Adrian, Prentice, Elizabeth, Reddy, Kessendri, Whitelaw, Andrew, Hoosien, Ebrahim, Zietsman, Inge, Marshall, Terry, Poswa, Xoliswa, Govind, Chetna, Smit, Juanita, Pillay, Keshree, Seetharam, Sharona, Howell, Victoria, Samuel, Catherine, Senekal, Marthinus, Bamford, Colleen, Dreyer, Andries, von Gottberg, Anne, Smith, Anthony, Mathunjwa, Azwifarwi, Ismail, Farzana, Moultrie, Harry, Ismail, Husna, Weyer, Jacqueline, Kleynhans, Jackie, Rossouw, Jenny, Frean, John, Ebonwu, Joy, Mwansa-Kambafwile, Judith, Thomas, Juno, McCarthy, Kerrigan, Shuping, Liliwe, de Gouveia, Linda, Erasmus, Linda, Puren, Adrian, Blumberg, Lucille, Smith, Marshagne, Makgoba, Martha, Groome, Michelle, Manaka, Mokupi, Moremi, Myra, Ismail, Nazir, Legare, Neo, Page, Nicola, Hoho, Nombulelo, Perovic, Olga, Sekwadi, Phuti, Mpembe, Ruth, Walaza, Sibongile, Dlamini, Siyanda, Njikho, Sunnieboy, Ngubane, Wendy

“…Although flucytosine is a key component of WHO-recommended induction treatment for HIV-associated cryptococcal meningitis, this antifungal agent is not widely…”
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Candida auris Clinical Isolates Associated with Outbreak in Neonatal Unit of Tertiary Academic Hospital, South Africa by Kekana, Dikeledi, Naicker, Serisha D, Shuping, Liliwe, Velaphi, Sithembiso, Nakwa, Firdose L, Wadula, Jeannette, Govender, Nelesh P

“…Candida auris was first detected at a university-affiliated hospital in Johannesburg, South Africa, in 2009. We used whole-genome sequencing to describe the…”
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Impact of prior cryptococcal antigen screening on in-hospital mortality in cryptococcal meningitis or fungaemia among HIV-seropositive individuals in South Africa: a cross-sectional observational study by Paccoud, Olivier, Shuping, Liliwe, Mashau, Rudzani, Greene, Greg, Quan, Vanessa, Meiring, Susan, Govender, Nelesh P

“…We investigated whether patients with cryptococcal meningitis (CM) or fungaemia detected through South Africa's laboratory cryptococcal antigen (CrAg)…”
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HIV Infection as Risk Factor for Death among Hospitalized Persons with Candidemia, South Africa, 2012-2017 by Govender, Nelesh P, Todd, Jim, Nel, Jeremy, Mer, Mervyn, Karstaedt, Alan, Cohen, Cheryl

“…We determined the effect of HIV infection on deaths among persons >18 months of age with culture-confirmed candidemia at 29 sentinel hospitals in South Africa…”
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Epidemiology and susceptibility of Nakaseomyces (formerly Candida) glabrata bloodstream isolates from hospitalised adults in South Africa by Naicker, Serisha D, Shuping, Liliwe, Zulu, Thokozile G, Mpembe, Ruth S, Mhlanga, Mabatho, Tsotetsi, Ernest M, Maphanga, Tsidiso G, Govender, Nelesh P

“…Abstract During 2016–2017, Nakaseomyces glabrata (formerly Candida glabrata) caused 14% of cases of candidaemia in South Africa. We aimed to describe the…”
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Declining Incidence of Invasive Meningococcal Disease in South Africa: 2003-2016 by Meiring, Susan, Cohen, Cheryl, de Gouveia, Linda, du Plessis, Mignon, Kularatne, Ranmini, Hoosen, Anwar, Lekalakala, Ruth, Lengana, Sarona, Seetharam, Sharona, Naicker, Preneshni, Quan, Vanessa, Reubenson, Gary, Tempia, Stefano, von Mollendorf, Claire, von Gottberg, Anne

“…Invasive meningococcal disease (IMD) is endemic to South Africa, where vaccine use is negligible. We describe the epidemiology of IMD in South Africa. IMD…”
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Long-term effect of pneumococcal conjugate vaccines on invasive pneumococcal disease incidence among people of all ages from national, active, laboratory-based surveillance in South Africa, 2005–19: a cohort observational study by von Gottberg, Anne, Kleynhans, Jackie, de Gouveia, Linda, Tempia, Stefano, Meiring, Susan, Quan, Vanessa, von Mollendorf, Claire, Crowther-Gibson, Penny, Avenant, Theunis, du Plessis, Nicolette, Kularatne, Ranmini, Chibabhai, Vindana, Madhi, Shabir A, Klugman, Keith P, Whitney, Cynthia G, Cohen, Cheryl, Ahmed, Khatija, Bamford, Colleen, Black, John, Blumberg, Lucille, Brink, Adrian, Dawood, Halima, Dlamini, Nomonde, Dreyer, Andries, Ebonwu, Joy, Erasmus, Linda, Feldman, Charles, Frean, John, Govender, Nelesh, Govind, Chetna, Haffejee, Sumayya, Hamese, Ken, Hoho, Nombulelo, Hoosien, Ebrahim, Howell, Victoria, Hoyland, Greta, Hunt, Gillian, Ismail, Husna, Ismail, Nazir, Ive, Prudence, Jooste, Pieter, Khantsi, Ignatius, Lebaka, Tiisetso, Legare, Neo, Lowman, Warren, Mahabeer, Prasha, Maharj, Adhil, Makgoba, Martha, Maloba, Motlatji, Maluleka, Caroline, Marcus, Louis, Marshall, Terry, Mathebula, Rudzani, Mbelle, Nontombi, McCarthy, Kerrigan, Menezes, Colin, Mlisana, Koleka, Moncho, Masego, Moore, David, Moremi, Myra, Morris, Lynn, Mpembe, Ruth, Mutevedzi, Portia, Mwansa-Kambafwile, Judith, Naby, Fathima, Naidoo, Romola, Nana, Trusha, Nchabeleng, Maphoshane, Ngomane, Mimmy, Ngubane, Wendy, Ntuli, Sindi, Pearce, Vanessa, Perovic, Olga, Pillay, Keshree, Poswa, Xoliswa, Prentice, Elizabeth, Radebe, Frans, Ramajathan, Praksha, Ramalwa, Ntisieni, Reubenson, Gary, Rossouw, Jenny, Samuel, Catherine, Seetharam, Sharona, Selekisho, Mirriam, Senekal, Marthinus, Shuping, Liliwe, Sibiya, Ngoaka, Sirkar, Surendra, Smith, Anthony, Smith, Marshagne, Sookan, Lisha, Sriruttan, Charlotte, Thomas, Juno, van Schalkwyk, Erika, Variava, Ebrahim, Verwey, Charl, Wadula, Jeannette, Walaza, Sibongile, Whitelaw, Andrew, Zietsman, Inge

“…In South Africa, 7-valent pneumococcal conjugate vaccine (PCV7) was introduced in 2009 and 13-valent PCV (PCV13) was introduced in 2011, both in a two plus one…”
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Carbapenem-resistant Enterobacterales among hospitalized patients in Cape Town, South Africa: clinical and microbiological epidemiology by Tootla, Hafsah Deepa, Prentice, Elizabeth, Moodley, Clinton, Marais, Gert, Nyakutira, Nyasha, Reddy, Kessendri, Bamford, Colleen, Niehaus, Abraham, Whitelaw, Andrew, Brink, Adrian

“…Abstract Background Carbapenem-resistant Enterobacterales (CRE) are a substantial problem in Cape Town. CRE epidemiology is largely unknown and mortality…”
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Carbapenem-resistant Klebsiella pneumoniae among hospitalized patients in Cape Town, South Africa: molecular epidemiology and characterization by Marais, Gert, Moodley, Clinton, Claassen-Weitz, Shantelle, Patel, Fadheela, Prentice, Elizabeth, Tootla, Hafsah, Nyakutira, Nyasha, Lennard, Katie, Reddy, Kessendri, Bamford, Colleen, Niehaus, Abraham, Whitelaw, Andrew, Brink, Adrian

“…Abstract Background The molecular epidemiology of carbapenem-resistant Enterobacterales in Cape Town remains largely unknown. Objectives This study aimed to…”
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AIDS-related mycoses: the way forward by Brown, Gordon D, Meintjes, Graeme, Kolls, Jay K, Gray, Clive, Horsnell, William

“…The contribution of fungal infections to the morbidity and mortality of HIV-infected individuals is largely unrecognized. A recent meeting highlighted several…”
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Laboratory-acquired infections of Salmonella enterica serotype Typhi in South Africa: phenotypic and genotypic analysis of isolates by Smith, Anthony Marius, Smouse, Shannon Lucrecia, Tau, Nomsa Pauline, Bamford, Colleen, Moodley, Vineshree Mischka, Jacobs, Charlene, McCarthy, Kerrigan Mary, Lourens, Adré, Keddy, Karen Helena

“…Workers in clinical microbiology laboratories are exposed to a variety of pathogenic microorganisms. Salmonella species is among the most commonly reported…”
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Pneumocystis jirovecii infection of the external auditory canal : case study by Maistry, Sairita, Meyer, Estie, Samuel, Catherine Mary, Whitelaw, Andrew

“…Pneumocystis jirovecii is well known to cause interstitial plasma cell pneumonia in immunocompromised patients. It has been implicated as a rare cause of…”
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