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malaria diagnosis

Rajesh Deshwal
OBJECTIVE: The clinical presentations and laboratory profile of malaria has been changing over the years. Therefore this study was undertaken to study the clinical profile and laboratory parameters of malarial patients. METHODS: This prospective observational study was undertaken in military hospital with high prevalence of malaria. A total of 320 patients were studied. All patients tested positive by peripheral blood smear or rapid diagnostic test were included...
August 2016: Journal of the Association of Physicians of India
Denis Valle, Justin Millar, Punam Amratia
BACKGROUND: Considerable debate has arisen regarding the appropriateness of the test and treat malaria policy broadly recommended by the World Health Organization. While presumptive treatment has important drawbacks, the effectiveness of the test and treat policy can vary considerably across regions, depending on several factors such as baseline malaria prevalence and rapid diagnostic test (RDT) performance. METHODS: To compare presumptive treatment with test and treat, generalized linear mixed effects models were fitted to data from 6510 children under five years of age from Burkina Faso's 2010 Demographic and Health Survey...
October 19, 2016: Malaria Journal
Jesica F Ramírez, Beatriz Porras, Elizabeth Borrero, Sandra P Martínez
BACKGROUND: Malaria worldwide annual reported cases range between 250 and 500 million and nearly half a million deaths are reported every year. Colombia has a vast expanse of territory with environmental and social conditions conducive to malaria transmission, which is the reason why it has second place in Latin America for the number of cases of malaria. METHODS: This is a retrospective, paired, case-control study that compares patients with severe malaria and malaria patients without mention of complication...
October 19, 2016: Malaria Journal
D B Kadam, Sonali Salvi, Ajay Chandanwale
The World Health Organization (WHO) has coined the term expanded dengue to describe cases which do not fall into either dengue shock syndrome or dengue hemorrhagic fever. This has incorporated several atypical findings of dengue. Dengue virus has not been enlisted as a common etiological agent in several conditions like encephalitis, Guillain Barre syndrome. Moreover it is a great mimic of co-existing epidemics like Malaria, Chikungunya and Zika virus disease, which are also mosquito-borne diseases. The atypical manifestations noted in dengue can be mutisystemic and multifacetal...
July 2016: Journal of the Association of Physicians of India
Beatrice I Amboko, Philip Ayieko, Morris Ogero, Thomas Julius, Grace Irimu, Mike English
BACKGROUND: Up to 90 % of the global burden of malaria morbidity and mortality occurs in sub-Saharan Africa and children under-five bear a disproportionately high malaria burden. Effective inpatient case management can reduce severe malaria mortality and morbidity, but there are few reports of how successfully international and national recommendations are adopted in management of inpatient childhood malaria. METHODS: A descriptive cross-sectional study of inpatient malaria case management practices was conducted using data collected over 24 months in five hospitals from high malaria risk areas participating in the Clinical Information Network (CIN) in Kenya...
October 18, 2016: Malaria Journal
Sumadhya Deepika Fernando, Priyani Dharmawardana, Geethanee Epasinghe, Niroshana Senanayake, Chaturaka Rodrigo, Risintha Premaratne, Rajitha Wickremasinghe
BACKGROUND: Sri Lanka is currently in the prevention of re-introduction phase of malaria. The engagement of the private sector health care institutions in malaria surveillance is important. The purpose of the study was to determine the number of diagnostic tests carried out, the number of positive cases identified and the referral system for diagnosis in the private sector and to estimate the costs involved. METHODS: This prospective study of private sector laboratories within the Colombo District of Sri Lanka was carried out over a 6-month period in 2015...
October 18, 2016: Malaria Journal
Jung Yoon, Seung Gyu Yun, Jeeyong Kim, Yoo Na Jung, Young Eun Koh, Jeong Hun Nam, Eun Taek Han, Chae Seung Lim
We evaluated the diagnostic usefulness of the LH780 Coulter blood cell counter for detection and therapeutic monitoring of malaria including cross-reactivity with nucleated RBC (NRBC) samples. A total of 405 patients (43 patients with Plasmodium vivax malaria and the control group of 120 healthy subjects, 111 patients with fever, and 131 patients with NRBCs) were analyzed with routine CBC using the LH780. We analyzed the CBC results according to three selected parameters: an abnormal peak in the WBC histogram before 35fL, the presence of red dots in the nonwhite cell zone of 2D WBC Diff Dataplot, and platelet-related flags suggesting platelet clumps or giant platelets...
October 14, 2016: Acta Tropica
James Osei-Yeboah, Gameli Kwame Norgbe, Sylvester Yao Lokpo, Mohammed Khadijah Kinansua, Loverage Nettey, Emmanuel Alote Allotey
Differences in quality performance score had been reported for the routinely used diagnostic methods for malaria at different settings. There is therefore a need to evaluate the test performance of the routine diagnostic methods for malaria detection in Ho, a setting with no recorded quality evaluation on malaria diagnosis. The hospital-based cross-sectional study was conducted comprising 299 outpatients. Patients were first seen and presumptively diagnosed with malaria by a clinician and were referred to the laboratory for confirmation (microscopy and Rapid Diagnostic Test)...
2016: Journal of Parasitology Research
Andrea K Boggild, Jennifer Geduld, Michael Libman, Cedric P Yansouni, Anne E McCarthy, Jan Hajek, Wayne Ghesquiere, Jean Vincelette, Susan Kuhn, David O Freedman, Kevin C Kain
BACKGROUND: Malaria remains the most common specific cause of fever in returned travellers and can be life-threatening. We examined demographic and travel correlates of malaria among Canadian travellers and immigrants to identify groups for targeted pretravel intervention. METHODS: Descriptive data on ill returned Canadian travellers and immigrants presenting to a CanTravNet site between 2004 and 2014 with a diagnosis of malaria were analyzed. Data were collected using the GeoSentinel data platform...
July 2016: CMAJ Open
Gihoon Choi, Daniel Song, Sony Shrestha, Jun Miao, Liwang Cui, Weihua Guan
In response to the urgent need of a field-deployable and highly sensitive malaria diagnosis, we developed a standalone, "sample-in-answer-out" molecular diagnostic system (AnyMDx) to enable quantitative molecular analysis of blood-borne malaria in low resource areas. The system consists of a durable battery-powered analyzer and a disposable microfluidic compact disc loaded with reagents ready for use. A low power thermal module and a novel fluorescence-sensing module are integrated into the analyzer for real-time monitoring of loop-mediated isothermal nucleic acid amplification (LAMP) of target parasite DNA...
October 10, 2016: Lab on a Chip
Ru-Bo Wang, Jia-Qiang Dong, Zhi-Gui Xia, Tao Cai, Qing-Feng Zhang, Yao Zhang, Yang-Hui Tian, Xiao-Ying Sun, Guang-Yun Zhang, Qing-Pu Li, Xiao-Yu Xu, Jia-Yin Li, Jun Zhang
BACKGROUND: For many countries where malaria is endemic, the burden of malaria is high in border regions. In ethnic minority areas along the Myanmar-China border, residents have poor access to medical care for diagnosis and treatment, and there have been many malaria outbreaks in such areas. Since 2007, with the support of the Global Fund to Fight AIDS, Tuberculosis and Malaria (GFATM), a malaria control project was introduced to reduce the malaria burden in several ethnic minority regions...
October 6, 2016: Infectious Diseases of Poverty
J Kevin Baird, Neena Valecha, Stephan Duparc, Nicholas J White, Ric N Price
The diagnosis and treatment of Plasmodium vivax malaria differs from that of Plasmodium falciparum malaria in fundamentally important ways. This article reviews the guiding principles, practices, and evidence underpinning the diagnosis and treatment of P vivax malaria.
October 5, 2016: American Journal of Tropical Medicine and Hygiene
Bridget E Barber, Matthew J Grigg, Timothy William, Tsin W Yeo, Nicholas M Anstey
Plasmodium knowlesi occurs across Southeast Asia and is the most common cause of malaria in Malaysia. High parasitaemias can develop rapidly, and the risk of severe disease in adults is at least as high as in falciparum malaria. Prompt initiation of effective treatment is therefore essential. Intravenous artesunate is highly effective in severe knowlesi malaria and in those with moderately high parasitaemia but otherwise uncomplicated disease. Both chloroquine and artemisinin-combination therapy (ACT) are highly effective for uncomplicated knowlesi malaria, with faster parasite clearance times and lower anaemia rates with ACT...
October 1, 2016: Trends in Parasitology
R L Goldenberg, J B Griffin, B D Kamath-Rayne, M Harrison, D J Rouse, K Moran, B Hepler, A H Jobe, E M McClure
OBJECTIVE: Stillbirths are among the most common adverse pregnancy outcomes, with 98% occurring in low-income countries. More than one-third occur in sub-Saharan Africa (SSA). However, the medical conditions causing stillbirths and interventions to reduce stillbirths from these conditions are not well documented. We estimated the reductions in stillbirths possible with combinations of interventions. DESIGN: We developed a computerised model to estimate the impact of various interventions on stillbirths caused by the most common conditions...
October 5, 2016: BJOG: An International Journal of Obstetrics and Gynaecology
Yulian A Menyaev, Kai A Carey, Dmitry A Nedosekin, Mustafa Sarimollaoglu, Ekaterina I Galanzha, Jason S Stumhofer, Vladimir P Zharov
In vivo photoacoustic flow cytometry (PAFC) has demonstrated potential for early diagnosis of deadly diseases through detection of rare circulating tumor cells, pathogens, and clots in nearly the entire blood volume. Before clinical application, this promising diagnostic platform requires verification and optimization using adequate preclinical models. We show here that this can be addressed by examination of large mouse blood vessels which are similar in size, depth and flow velocity to human vessels used in PAFC...
September 1, 2016: Biomedical Optics Express
Theresa Tawiah, Kristian Schultz Hansen, Frank Baiden, Jane Bruce, Mathilda Tivura, Rupert Delimini, Seeba Amengo-Etego, Daniel Chandramohan, Seth Owusu-Agyei, Jayne Webster
BACKGROUND: The presumptive approach of confirming malaria in health facilities leads to over-diagnosis of malaria, over use of anti-malaria drugs and the risk of drug resistance development. WHO recommends parasitological confirmation before treatment with artemisinin-based combination therapy (ACT) in all suspected malaria patients. The use of malaria rapid diagnostic tests (mRDTs) would make it possible for prescribers to diagnose malaria at point-of-care and better target the use of antimalarials...
2016: PloS One
Endale Tadesse, Bereket Workalemahu, Techalew Shimelis
Rapid diagnostic tests (RDTs) capable of detecting and differentiating Plasmodium species are needed in areas in which microscopy is unsuitable. This study was conducted to assess the diagnostic performance of the rapid test kit - SD BIOLINE Malaria Ag Pf/Pan(r) (05FK60) in an endemic area. Microscopy of Giemsa-stained blood films were performed to detect and estimate the Plasmodium density in malaria suspected patients. The performance of the SD BIOLINE Malaria Ag Pf/Pan test was evaluated using 272 Plasmodium-positive and 102 negative blood samples...
2016: Revista do Instituto de Medicina Tropical de São Paulo
D M Ssebuliba, R Ouifki, C Pretorius, S M Burnett, M K Mbonye, S Naikoba, K Willis, M R Weaver
We present an age-structured mathematical model of malaria and pneumonia to study the effect of two capacity-building interventions: Integrated Management of Infectious Diseases (IMID) and On-site Support Services (OSS). IMID leads to a reduction in malaria prevalence by more than 2·4% across the [0,5), [5,14) and [14,50) age groups. IMID + OSS reduces it by more than 16·0% across all age groups. IMID decreases pneumonia prevalence by more than 3·0% across all age groups while IMID + OSS decreases it by more than 1·0% across all age groups...
September 27, 2016: Epidemiology and Infection
Sarita Mohapatra, Arnab Ghosh, Ruchi Singh, Dhirendra Pratap Singh, Bhawna Sharma, Jyotish Chandra Samantaray, Manorama Deb, Rajni Gaind
Low parasitemic condition in malaria remains a diagnostic challenge; as the available diagnostic methods failed to detect. Currently, hemozoin (Hz) pigment is gaining attention in the diagnosis of malaria. The major drawback is ease of detection of Hz in routine practice. A pilot study was conducted to evaluate the role of Hz pigment and to compare the performance of quantitative buffy coat assay (QBC) and PCR in such conditions. Clinically suspected cases of malaria were examined by both Giemsa stain and immunochromatographic test (ICT)...
August 2016: Korean Journal of Parasitology
Ravi Bhatia, Dinesh Rajwaniya, Priti Agrawal
Although malaria is endemic in India, congenital malaria is not very common. Congenital malaria is a very rare condition in both endemic and nonendemic areas. We report a case of congenital malaria in a six-day-old neonate with fever and splenomegaly. The diagnosis was picked up accidentally on a peripheral smear examination. Congenital malaria should be kept as differential diagnosis of neonatal sepsis. Timely detection of this condition could lead to early diagnosis and treatment, thereby preventing neonatal mortality...
2016: Case Reports in Pediatrics
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