Browsing Bergen Open Research Archive by Author "Blomberg, Bjørn"
Now showing items 1-20 of 64
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Adherence to community versus facility-based delivery of monthly malaria chemoprevention with dihydroartemisinin-piperaquine for the post-discharge management of severe anemia in Malawian children: A cluster randomized trial
Nkosi-Gondwe, Thandile; Robberstad, Bjarne; Mukaka, Mavuto; Idro, Richard; Opoka, Robert; Banda, Saidon; Kühl, Melf-Jakob; Ter Kuile, Feiko O.; Blomberg, Bjørn; Phiri, Kamija S. (Journal article; Peer reviewed, 2021-08-10)Background: The provision of post-discharge malaria chemoprevention (PMC) in children recently admitted with severe anemia reduces the risk of death and re-admissions in malaria endemic countries. The main objective of ... -
Antibiotic use at a tertiary hospital in Tanzania: findings from a point prevalence survey
Katyali, Denis; Kawau, Godfrey; Blomberg, Bjørn; Manyahi, Joel (Journal article; Peer reviewed, 2023)Background In Tanzania, data on antibiotic use at the patient level is scarce, and intervention measures to optimize antibiotic use and reduce antimicrobial resistance are rarely performed. Objectives To describe ... -
Antimicrobial resistance in bacterial infections in urban and rural Tanzania
Blomberg, Bjørn (Doctoral thesis, 2007-05-16)Infectious diseases cause one in every six deaths worldwide. Antimicrobial drugs have helped dramatically in curing patients suffering from bacterial infections. However, emerging antimicrobial resistance in bacteria ... -
Antimicrobial resistance predicts death in Tanzanian children with bloodstream infections: a prospective cohort study
Blomberg, Bjørn; Manji, Karim P.; Urassa, Willy K.; Tamim, Bushir S.; Mwakagile, Davis S. M.; Jureen, Roland; Msangi, Viola; Tellevik, Marit Gjerde; Holberg-Petersen, Mona; Harthug, Stig; Maselle, Samwel Y.; Langeland, Nina (Peer reviewed; Journal article, 2007-05-22)Background: Bloodstream infection is a common cause of hospitalization, morbidity and death in children. The impact of antimicrobial resistance and HIV infection on outcome is not firmly established. Methods: We assessed ... -
Assessment of malaria real-time PCR methods and application with focus on lowlevel parasitaemia
Haanshuus, Christel Gill; Mørch, Kristine; Blomberg, Bjørn; Strøm, Gro Elizabeth Ann; Langeland, Nina; Hanevik, Kurt; Mohn, Stein Christian (Peer reviewed; Journal article, 2019-07-05)In epidemiological surveys and surveillance the application of molecular tools is essential in detecting submicroscopic malaria. A genus-specific conventional cytochrome b (cytb) PCR has shown high sensitivity in field ... -
Attack rates amongst household members of outpatients with confirmed COVID-19 in Bergen, Norway: A case-ascertained study
Kuwelker, Kanika; Zhou, Fan; Blomberg, Bjørn; Jalloh, Sarah Larteley Lartey; Brokstad, Karl Albert; Trieu, Mai Chi; Bansal, Amit; Madsen, Anders; Krammer, Florian; Mohn, Kristin Greve-Isdahl; Tøndel, Camilla; Linchausen, Dagrunn Waag; Cox, Rebecca Jane; Langeland, Nina (Journal article; Peer reviewed, 2021)Background Households studies reflect the natural spread of SARS-CoV-2 in immunologically naive populations with limited preventive measures to control transmission. We hypothesise that seropositivity provides more ... -
Bacteraemia, Malaria, and Case Fatality Among Children Hospitalized With Fever in Dar es Salaam, Tanzania
Moyo, Sabrina John; Manyahi, Joel; Blomberg, Bjørn; Tellevik, Marit Gjerde; Masoud, Nahya Salim; Aboud, Said; Manji, Karim; Roberts, Adam P.; Hanevik, Kurt; Mørch, Kristine; Langeland, Nina (Journal article; Peer reviewed, 2020)Background: Febrile illness is the commonest cause of hospitalization in children <5 years in sub-Saharan Africa, and bacterial bloodstream infections and malaria are major causes of death. Methods: From March 2017 to ... -
Challenges in diagnosing paediatric malaria in Dar es Salaam, Tanzania
Strøm, Gro Elizabeth Ann; Haanshuus, Christel Gill; Fataki, Maulidi; Langeland, Nina; Blomberg, Bjørn (Peer reviewed; Journal article, 2013-07-03)Background: Malaria is a major cause of paediatric morbidity and mortality. As no clinical features clearly differentiate malaria from other febrile illnesses, and malaria diagnosis is challenged by often lacking laboratory ... -
Challenges in diagnosing pediatric malaria in Dar es Salaam, Tanzania
Strøm, Gro Elizabeth Ann; Haanshuus, Christel Gill; Moyo, Sabrina John; Fataki, Maulidi; Langeland, Nina; Blomberg, Bjørn (Conference poster, 2012-10-15) -
Clinical features and risk factors for death in acute undifferentiated fever: A prospective observational study in rural community hospitals in six states of India
Mørch, Kristine; Manoharan, Anand; Chandy, Sara; Singh, Ashita; Kuriakose, Cijoy; Patil, Suvarna; Henry, Anil; Chacko, Novin; Alvarez-Uria, Gerardo; Nesaraj, Joel; Blomberg, Bjørn; Kurian, Siby; Haanshuus, Christel Gill; Antony, George; Langeland, Nina; Mathai, Dilip (Journal article; Peer reviewed, 2023)Background Acute undifferentiated fever (AUF) ranges from self-limiting illness to life-threatening infections, such as sepsis, malaria, dengue, leptospirosis and rickettsioses. Similar clinical presentation challenges ... -
Clinical features of suspected Ebola cases referred to the Moyamba ETC, Sierra Leone: Challenges in the later stages of the 2014 outbreak
Arranz, Javier; Lundeby, Karen Marie; Hassan, Shoaib; Fuentes, Luis Matías Zabala; Garcés, Pedro San José; Haaskjold, Yngvar Lunde; Bolkan, Håkon Angell; Krogh, Kurt; Jongopi, James; Mellesmo, Sindre; Jøsendal, Ola; Øpstad, Åsmund; Svensen, Erling; Kamara, Alfred Sandy; Roberts, David P.; Stamper, Paul D.; Austin, Paula; Moosa, Alfredo J.; Marke, Dennis; Berg, Åse; Blomberg, Bjørn; Riera, Melcior (Journal article; Peer reviewed, 2016)Background The last ebola virus disease (EVD) outbreak has been the most important since 1976. EVD cases decreased drastically in Sierra Leone at the beginning of 2015. We aim to determine the clinical findings and evolution ... -
A cohort analysis of survival and outcomes in severely anaemic children with moderate to severe acute malnutrition in Malawi
Nkosi-Gondwe, Thandile; Calis, Job; van Hensbroek, Michael Boele; Bates, Imelda; Blomberg, Bjørn; Phiri, Kamija S. (Journal article; Peer reviewed, 2021)Introduction: Moderate to severe acute malnutrition (SAM/MAM) and severe anaemia are important and associated co-morbidities in children aged less than five years. Independently, these two morbidities are responsible for ... -
Cost-Effectiveness of Hydroxyurea for Sickle Cell Anemia in a Low-Income African Setting: A Model-Based Evaluation of Two Dosing Regimens
Teigen, David; Opoka, Robert O.; Kasirye, Phillip; Nabaggala, Catherine; Hume, Heather A.; Blomberg, Bjørn; John, Chandy C.; Ware, Russell E.; Robberstad, Bjarne (Journal article; Peer reviewed, 2023)Background and Objective The disease burden of sickle cell anemia (SCA) in sub-Saharan African (SSA) countries is substantial, with many children dying without an established diagnosis or proper treatment. The global ... -
COVID-19 myocarditis and postinfection Bell’s palsy
Dahl, Elin Hoffmann; Mosevoll, Knut Anders; Cramariuc, Dana; Vedeler, Christian Alexander; Blomberg, Bjørn (Journal article; Peer reviewed, 2021)Here we present the case of a 37-year-old previously healthy man who developed fever, headache and a unilateral, painful neck swelling while working offshore. He had no known contact with anyone with COVID-19; however, due ... -
Delivery strategies for malaria chemoprevention with monthly dihydroartemisinin-piperaquine for the post-discharge management of severe anaemia in children aged less than 5 years old in Malawi: a protocol for a cluster randomized trial
Gondwe, Thandile; Robberstad, Bjarne; Mukaka, Mavuto; Lange, Siri; Blomberg, Bjørn; Phiri, Kamija S. (Peer reviewed; Journal article, 2018-07-20)Background. Children initially hospitalized with severe anaemia in Africa are at high risk of readmission or death within 6 months after discharge. No intervention strategy specifically protects children during the ... -
Diagnosis and follow-up of treatment of latent tuberculosis; the utility of the QuantiFERON-TB Gold In-tube assay in outpatients from a tuberculosis low-endemic country
Dyrhol-Riise, Anne Ma; Gran, Gerd; Wentzel-Larsen, Tore; Blomberg, Bjørn; Haanshuus, Christel Gill; Mørkve, Odd (Peer reviewed; Journal article, 2010-03-08)Background Interferon-gamma (IFN-γ) Release Assays (IGRA) are more specific than the tuberculosis skin test (TST) in the diagnosis of latent tuberculosis (TB) infection (LTBI). We present the performance of the QuantiFERON®-TB ... -
Education and knowledge helps combating malaria, but not degedege: a cross-sectional study in Rufiji, Tanzania
Spjeldnæs, Astrid Onarheim; Kitua, Andrew Y.; Blomberg, Bjørn (Peer reviewed; Journal article, 2014-05-28)Background: Traditional medicine is readily available in Tanzania, and local terms like degedege is widely used for malaria-like illnesses, often associated with supernatural forces. Malaria prevention and intervention ... -
Education and knowledge helps preventing malaria, but not "degedege"
Spjeldnæs, Astrid Onarheim; Blomberg, Bjørn (Conference poster, 2010-10-20) -
First identification of bla NDM-5 producing Escherichia coli from neonates and a HIV infected adult in Tanzania
Manyahi, Joel; Moyo, Sabrina John; Kibwana, Upendo; Goodman, Richard N.; Allman, Ellie; Hubbard, Alasdair T.M.; Blomberg, Bjørn; Langeland, Nina; Roberts, Adam P. (Journal article; Peer reviewed, 2022)Introduction. Carbapenem-resistant members of the family Enterobacteriaceae are emerging as a global public-health threat and cause substantial challenges in clinical practice. Gap Statement. There is a need for increased ... -
Fluoroquinolone resistance among fecal extended spectrum βeta lactamases positive Enterobacterales isolates from children in Dar es Salaam, Tanzania
Kibwana, Upendo O.; Manyahi, Joel; Sandnes, Helene Heitmann; Blomberg, Bjørn; Mshana, Stephen E.; Langeland, Nina; Roberts, Adam P.; Moyo, Sabrina John (Journal article; Peer reviewed, 2023-03-07)Background: Fluoroquinolones have been, and continue to be, routinely used for treatment of many bacterial infections. In recent years, most parts of the world have reported an increasing trend of fluoroquinolone resistant ...