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Velasco E, Gomez-Barroso D, Varela C, Diaz O, Cano R. Non-imported malaria in non-endemic countries: a review of cases in Spain. Malar J 2017; 16:260. [PMID: 28662650 PMCID: PMC5492460 DOI: 10.1186/s12936-017-1915-8] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2016] [Accepted: 06/27/2017] [Indexed: 12/05/2022] Open
Abstract
Spain declared the elimination of malaria in 1964. In non-endemic areas, the overwhelming majority of malaria cases are acquired abroad, and locally acquired infections are rare events. In Spain, malaria is a statutorily notifiable disease. During these fifty years more than ten thousand malaria cases have been reported, and about 0.8% of them did not have a history of recent travel. In this report, it was carried out a review of the ways in which malaria can be transmitted in non-endemic areas and a short description of the Spanish cases, aggregated by their transmission mechanisms. Four cases contracted malaria by mosquito bites; there were two autochthonous cases and two of "airport malaria". The other 28 cases were: congenital malaria cases, transfusion-transmitted malaria, post-transplant cases, nosocomial transmission and cases in intravenous drug users. In addition, in 1971 there was an outbreak of 54 cases due to exposure to blood or blood products. So, while malaria usually is an imported disease in non-endemic areas, it should not be excluded in the differential diagnosis of persons who have fever of unknown origin, regardless of their travel history.
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Affiliation(s)
- Emilia Velasco
- National Center for Epidemiology, Carlos III Institute of Health, Madrid, Spain
| | - Diana Gomez-Barroso
- National Center for Epidemiology, Carlos III Institute of Health, Madrid, Spain
- Consortium for Biomedical Research in Epidemiology and Public Health (CIBERESP), Madrid, Spain
| | - Carmen Varela
- National Center for Epidemiology, Carlos III Institute of Health, Madrid, Spain
- Consortium for Biomedical Research in Epidemiology and Public Health (CIBERESP), Madrid, Spain
| | - Oliva Diaz
- National Center for Epidemiology, Carlos III Institute of Health, Madrid, Spain
| | - Rosa Cano
- National Center for Epidemiology, Carlos III Institute of Health, Madrid, Spain
- Consortium for Biomedical Research in Epidemiology and Public Health (CIBERESP), Madrid, Spain
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Gruell H, Hamacher L, Jennissen V, Tuchscherer A, Ostendorf N, Löffler T, Hallek M, Kochanek M, Tannich E, Böll B, Fätkenheuer G. On Taking a Different Route: An Unlikely Case of Malaria by Nosocomial Transmission. Clin Infect Dis 2017; 65:1404-1406. [DOI: 10.1093/cid/cix520] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2017] [Accepted: 05/31/2017] [Indexed: 11/13/2022] Open
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The epidemiology of imported malaria in Taiwan between 2002-2013: the importance of sensitive surveillance and implications for pre-travel medical advice. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2014; 11:5651-64. [PMID: 24871257 PMCID: PMC4078540 DOI: 10.3390/ijerph110605651] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/13/2014] [Revised: 05/08/2014] [Accepted: 05/20/2014] [Indexed: 11/26/2022]
Abstract
The purpose of this study was to assess the epidemiology of imported malaria in Taiwan between 2002 and 2013. We analyzed the national data recorded by the Taiwan Centers for Disease Control (Taiwan CDC). Malaria cases were diagnosed by blood films, polymerase chain reaction, or rapid diagnostic tests. The risk of re-establishment of malarial transmission in Taiwan was assessed. A total of 229 malaria cases were included in our analysis. All of the cases were imported. One hundred and ninety-two cases (84%) were diagnosed within 13 days of the start of symptoms/signs; 43% of these cases were acquired in Africa and 44% were acquired in Asia. Plasmodium falciparum was responsible for the majority (56%) of these cases. Travel to an endemic area was associated with the acquisition of malaria. The malaria importation rate was 2.36 per 1,000,000 travelers (range 1.20–5.74). The reproductive number under control (Rc) was 0. No endemic transmission of malaria in Taiwan was identified. This study suggests that a vigilant surveillance system, vector-control efforts, case management, and an educational approach focused on travelers and immigrants who visit malaria endemic countries are needed to prevent outbreaks and sustain the elimination of malaria in Taiwan.
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An overview of translational (radio)pharmaceutical research related to certain oncological and non-oncological applications. World J Methodol 2013; 3:45-64. [PMID: 25237623 PMCID: PMC4145570 DOI: 10.5662/wjm.v3.i4.45] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/04/2013] [Revised: 10/03/2013] [Accepted: 10/18/2013] [Indexed: 02/06/2023] Open
Abstract
Translational medicine pursues the conversion of scientific discovery into human health improvement. It aims to establish strategies for diagnosis and treatment of diseases. Cancer treatment is difficult. Radio-pharmaceutical research has played an important role in multiple disciplines, particularly in translational oncology. Based on the natural phenomenon of necrosis avidity, OncoCiDia has emerged as a novel generic approach for treating solid malignancies. Under this systemic dual targeting strategy, a vascular disrupting agent first selectively causes massive tumor necrosis that is followed by iodine-131 labeled-hypericin (123I-Hyp), a necrosis-avid compound that kills the residual cancer cells by crossfire effect of beta radiation. In this review, by emphasizing the potential clinical applicability of OncoCiDia, we summarize our research activities including optimization of radioiodinated hypericin Hyp preparations and recent studies on the biodistribution, dosimetry, pharmacokinetic and, chemical and radiochemical toxicities of the preparations. Myocardial infarction is a global health problem. Although cardiac scintigraphy using radioactive perfusion tracers is used in the assessment of myocardial viability, searching for diagnostic imaging agents with authentic necrosis avidity is pursued. Therefore, a comparative study on the biological profiles of the necrosis avid 123I-Hyp and the commercially available 99mTc-Sestamibi was conducted and the results are demonstrated. Cholelithiasis or gallstone disease may cause gallbladder inflammation, infection and other severe complications. While studying the mechanisms underlying the necrosis avidity of Hyp and derivatives, their naturally occurring fluorophore property was exploited for targeting cholesterol as a main component of gallstones. The usefulness of Hyp as an optical imaging agent for cholelithiasis was studied and the results are presented. Multiple uses of automatic contrast injectors may reduce costs and save resources. However, cross-contaminations with blood-borne pathogens of infectious diseases may occur. We developed a radioactive method for safety evaluation of a new replaceable patient-delivery system. By mimicking pathogens with a radiotracer, we assessed the feasibility of using the system repeatedly without septic risks. This overview is deemed to be interesting to those involved in the related fields for translational research.
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Vogl TJ, Wessling J, Buerke B. An observational study to evaluate the efficiency and safety of ioversol pre-filled syringes compared with ioversol bottles in contrast-enhanced examinations. Acta Radiol 2012; 53:914-20. [PMID: 22983259 DOI: 10.1258/ar.2012.120303] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
BACKGROUND The use of pre-filled syringes for contrast media (CM) administration allows efficient and optimized workflow during radiologic diagnostic procedures, and reduces the risk of contamination, providing benefits for both patients and healthcare workers. PURPOSE To compare the efficiency and safety of ioversol (Optiray(TM)) bottles and pre-filled syringes in clinical practice. MATERIAL AND METHODS This was an observational, non-interventional, prospective, multicenter study conducted at 72 centers in Germany. Patients undergoing contrast-enhanced computed tomography (CT) examinations with ioversol were enrolled. The use of ioversol bottles and pre-filled syringes in the diagnostic procedure was recorded in terms of efficiency (residual volume, re-use of CM) and safety (adverse events [AEs]). RESULTS A total of 10,836 patients were enrolled and included in this study. Ioversol bottles and syringes were used in 72% and 28% of cases, respectively. Analysis of the volume of CM in bottles before and after examinations, together with the volume used during the examination, suggested that in 22.5% of cases a new bottle was connected during the procedure. Further analysis revealed that in 80.2% of cases, the remaining volume of CM in the bottles could potentially be used for subsequent investigations, compared with <1% of cases for pre-filled syringes. For the total study population, AEs and serious AEs were reported in 30 (0.28%) and four (0.037%) patients, respectively, with no significant difference observed between ioversol bottles and syringes. CONCLUSION Administration of ioversol for contrast-enhanced CT examinations is associated with a low incidence of AEs and is generally safe and well tolerated. Ioversol pre-filled syringes were associated with lower residual volumes and less potential re-use compared with bottles.
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Affiliation(s)
- Thomas J Vogl
- Department of Diagnostic and Interventional Radiology, Johann Wolfgang Goethe University Frankfurt
| | | | - Boris Buerke
- Department of Clinical Radiology, University of Muenster, Germany
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The absence of endemic malaria transmission in Taiwan from 2002 to 2010: The implications of sustained malaria elimination in Taiwan. Travel Med Infect Dis 2012; 10:240-6. [DOI: 10.1016/j.tmaid.2012.10.005] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2012] [Revised: 10/17/2012] [Accepted: 10/23/2012] [Indexed: 11/19/2022]
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Abstract
OBJECTIVES Multiple uses of automatic contrast injection systems may impose septic risks on patients. The purpose of this experiment was to verify whether a newly developed replaceable patient-delivery system may allow multiple uses of the system but without such risks. METHODS Twelve patient-delivery systems were tested according to a multiple-use approach using an automatic contrast injection system consisting of dual syringes and one filling and injecting set. Two protocols with normal saline only (n = 6) or contrast media plus normal saline (n = 6) loaded in the injection system were performed. Each patient-delivery system was connected through an infusion catheter to the ear vein of a rabbit that was intravenously preinjected with a diffusible radiotracer (99m)Tc-dimercaptopropionyl-human serum albumin. Aliquots were sampled from the filling and injecting set, patient line, and animal blood for radioactive analysis after the replacement of each patient-delivery system. RESULTS For the protocol performed using only normal saline, radioactivity was found in the blood circulation of the rabbit (1655903 ± 593221 CPM) and in the patient line (52894 ± 33080 CPM), but, virtually, in none of samples from the filling and injecting set (8 ± 3 CPM), relative to the background (7 ± 3 CPM) (P = 0.726). Similarly, experimental results attained using contrast plus saline show radioactivity in the blood circulation of the rabbit (1119107 ± 183174 CPM) as well as in the patient line (32991 ± 20232 CPM) but in none of samples from the filling and injecting set (6 ± 6 CPM), relative to the background (6 ± 4 CPM) (P = 0.955). CONCLUSIONS The tested patient-delivery system proves convenient and safe. It allows multiple uses of the contrast injection system and avoids the risk of cross contamination.
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Kwak YG, Lee SO, Kim TH, Choo EJ, Jeon MH, Jun JB, Kim KM, Jeong JS, Kim YS. The use of multidose vials and fingerstick blood sampling devices in Korean emergency departments and intensive care units. Int J Nurs Pract 2012; 18:77-83. [PMID: 22257334 DOI: 10.1111/j.1440-172x.2011.01994.x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
This study was performed to compare compliance with standard precautions for the use of multidose vials (MDVs) and fingerstick devices in emergency departments (EDs) and intensive care units (ICUs). Between December 2007 and February 2008, 389 nurses from the EDs or ICUs of six university-affiliated hospitals in Korea were asked to complete the questionnaire. A total of 338 (86.9%) nurses completed the survey, corresponding to 159 of 184 ED and 179 of 205 ICU nurses. A comparison of MDV use in EDs and ICUs indicated a significant difference only in disinfection of the rubber septum of heparin vials; 88.1% of ED nurses and 96.6% of ICU nurses stated that they always disinfected the rubber septum of heparin vials whenever drawing medication (P = 0.003). The use of separate fingerstick devices for each patient (71.7% vs. 54.5%) and disinfection of these devices after each use (36.5% vs. 26.0%) were more common in ED nurses. The rate of good hand hygiene was lower in ED nurses, both before (43.7% vs. 74.3%) and after (64.6% vs. 91.6%) the use of fingerstick devices (P < 0.001 for both). There is a need to improve compliance with standard precautions, especially hand hygiene, in EDs.
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Affiliation(s)
- Yee Gyung Kwak
- Department of Infectious Diseases, Inje University College of Medicine, Busan, Republic of Korea
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Zoller T, Naucke TJ, May J, Hoffmeister B, Flick H, Williams CJ, Frank C, Bergmann F, Suttorp N, Mockenhaupt FP. Malaria transmission in non-endemic areas: case report, review of the literature and implications for public health management. Malar J 2009; 8:71. [PMID: 19379496 PMCID: PMC2672952 DOI: 10.1186/1475-2875-8-71] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2008] [Accepted: 04/20/2009] [Indexed: 11/10/2022] Open
Abstract
In non-endemic areas, malaria is rare and locally acquired infections, particularly with Plasmodium falciparum, are exceptional events. The diagnosis is, therefore, likely to be delayed or missed in patients without a relevant travel history. This report describes a case of falciparum malaria in Berlin, Germany, in a patient who had not been to an endemic area for more than a decade. Potential routes of vector-related and direct transmission were evaluated, particularly with regard to a possible danger to the public. A review of the literature was conducted regarding possible routes of transmission and their probability assessed. Genotyping of parasite isolates of this and another patient with malaria admitted 16 days before revealed homology between the two strains. In a local entomological survey, anopheline vectors on the hospital grounds as well as in the residential area of both patients were found. Despite intensive investigations, the mode of transmission remained obscure. In this context, possible routes of vector-borne and direct occupational/accidental transmission in a major European city are reviewed and discussed, providing information and guidance in case other similar events occur elsewhere. Examples for investigations and measures to be taken in such a situation are provided. When local malaria transmission within a large non-immune population cannot be ruled out, genotyping of parasite isolates, local entomological surveys, preparedness for secondary cases, expert consultations in a multidisciplinary team and careful information management are essential. Malaria acquired in non-endemic areas remains an unlikely, but possible event for which awareness needs to be maintained.
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Affiliation(s)
- Thomas Zoller
- Medizinische Klinik mit Schwerpunkt Infektiologie und Pneumologie, Charité - Universitätsmedizin Berlin, Augustenburger Platz 1, 13353 Berlin, Germany.
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[Malaria. Statements of the Blood Work Group of the Federal Health Ministry]. Bundesgesundheitsblatt Gesundheitsforschung Gesundheitsschutz 2008; 51:236-49. [PMID: 18259716 PMCID: PMC7095887 DOI: 10.1007/s00103-008-0453-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Willaert B, Vo Mai MP, Caldani C. French Haemovigilance Data on Platelet Transfusion. Transfus Med Hemother 2008; 35:118-121. [PMID: 21512639 PMCID: PMC3076346 DOI: 10.1159/000118887] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2007] [Accepted: 09/13/2007] [Indexed: 11/19/2022] Open
Abstract
SUMMARY: The Agence Française de Securite Sanitaire des Produits de Santé (Afssaps; French Health Products Safety Agency) is responsible, through its hemovigilance unit, for the organization and the functioning of the national hemovigilance network. In accordance with the French law, it receives all data on adverse transfusion reactions regardless of their severity. With the aim of evaluating the tolerance of two kinds of labile blood products (LBP), pooled platelet concentrates (PP) and apheresis platelet concentrates (APC), we screened the French national database from January 1, 2000 to December 31, 2006. We observed that the number of transfusion incident reports is more than twice as high with APC (8.61:1,000 LBP) than with PP (4.21:1,000 LBP). The difference between these two ratios is statistically significant as shown by chi-square test (e = 21.00 with α = 5%). The risk to suffer adverse reactions of any type, except for alloimmunization, is higher with APC, and the major type of diagnosis related to APC is allergic reaction (1:200 APC issued) even if those allergic reactions are rarely serious. The new French National Hemovigilance Commission should impel a working group evaluating this topic and above all the impact of additive solutions which have been used since 2005 to put forward preventives measures.
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Affiliation(s)
- Béatrice Willaert
- Agence Française de Sécurité Sanitaire des Produits de Santé (Afssaps), Saint Denis, France
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Blümel J, Burger R, Drosten C, Gröner A, Gürtler L, Heiden M, Jansen B, Klamm H, Ludwig WD, Montag-Lessing T, Offergeld R, Pauli G, Seitz R, Schlenkrich U, Schottstedt V, Willkommen H, von König KHW. Malaria. Transfus Med Hemother 2008; 35:122-134. [PMID: 21512640 PMCID: PMC3076347 DOI: 10.1159/000118667] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2008] [Accepted: 02/01/2008] [Indexed: 11/19/2022] Open
Affiliation(s)
| | | | | | | | | | | | | | | | | | | | | | | | - Rainer Seitz
- Arbeitskreis Blut, Untergruppe «Bewertung Blutassoziierter Krankheitserreger»
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Vonberg RP, Gastmeier P. Hospital-acquired infections related to contaminated substances. J Hosp Infect 2006; 65:15-23. [PMID: 17145102 DOI: 10.1016/j.jhin.2006.09.018] [Citation(s) in RCA: 64] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2006] [Accepted: 09/15/2006] [Indexed: 11/30/2022]
Abstract
Drug-related outbreaks are frequently reported from various medical departments. A systematic review was performed to describe characteristics of these outbreaks and to determine the most frequent occasions in which contamination of substances for patient care take place. Articles were assessed by a search of the outbreak database, a search of PubMed, and hand search of reference lists from relevant articles. Articles published before 1990 were excluded. Data on affected patients, hospital-acquired infections, substances, pathogens and graded information about the location of the contamination incidence were extracted. A total of 2250 patients in 128 articles were included, mostly from intensive care units or haematological departments. Septicaemia was the most frequent hospital-acquired infection. Most often articles report contamination of blood products and heparin-sodium chloride solutions. The most frequent pathogens were hepatitis A virus, Yersinia enterocolitica, and Serratia spp. for blood products and Burkholderia cepacia and Enterobacter spp. for substances other than blood products. Mortality was highest if red blood cells or total parenteral nutrition formulas were contaminated. In 64 of the outbreaks multi-dose vials had been used against the manufacturers' recommendations. Thus, drug-related outbreaks are likely to occur particularly when basic hygiene measures are disobeyed. A large proportion of drug-related nosocomial infections could have been prevented, for example, by avoiding the use of multi-dose vials.
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Affiliation(s)
- R-P Vonberg
- Institute for Medical Microbiology and Hospital Epidemiology, Medical School Hannover, Hannover, Germany.
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Kirchgatter K, Wunderlich G, Branquinho MS, Salles TM, Lian YC, Carneiro-Junior RA, Di Santi SM. Molecular typing of Plasmodium falciparum from Giemsa-stained blood smears confirms nosocomial malaria transmission. Acta Trop 2002; 84:199-203. [PMID: 12443798 DOI: 10.1016/s0001-706x(02)00181-x] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
In this report, we describe the partial molecular characterisation of Plasmodium falciparum isolates obtained from two individuals who were involved in a probable case of accidental malaria transmission after admission to a hospital in the metropolitan area of São Paulo, Brazil. Molecular analysis of polymorphic stretches of the merozoite surface protein 1 and 2 genes using PCR-typing and nucleotide sequencing revealed that the two isolates were identical and that the identified msp-1 gene was different from all others published to date. Additional anamnestic data supported our findings and made all other possible routes of infection unlikely. The methodology used here is simple to perform and needs as little as one Giemsa-stained blood smear as starting material.
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Affiliation(s)
- K Kirchgatter
- Núcleo de Estudos em Malária, Superintendência de Controle de Endemias (SUCEN), Av Dr Eneas de Carvalho Aguiar 470, Cerqueira César, SP São Paulo 05403-000, Brazil
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Moro ML, Romi R, Severini C, Casadio GP, Sarta G, Tampieri G, Scardovi A, Pozzetti C. Patient-to-patient transmission of nosocomial malaria in Italy. Infect Control Hosp Epidemiol 2002; 23:338-41. [PMID: 12083239 DOI: 10.1086/502062] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
OBJECTIVE To describe nosocomial transmission of malaria from patient to patient via blood exposure. PATIENTS A 56-year-old man was admitted to an Italian hospital with fever and Plasmodium falciparum parasitemia, but with no risk factors for malaria. Twenty days earlier, he had been admitted for bronchopulmonary disease to the hospital's intensive care unit, where a woman with P. falciparum malaria acquired abroad was present. METHODS We reviewed both patients' medical records and searched for mosquitoes in the hospital and on the grounds. We interviewed the staff about patient care practices potentially involving contact with blood. The genetic identities of strains were determined by genotyping of the DNA extracted from blood. RESULTS Molecular genotyping showed that the two strains were identical. The only invasive procedures performed on both patients by the same staff on the same shift were capillary blood sampling by finger stick, intravenous drug administration, and substitution of total parenteral nutrition bags and intravenous sets. The fingerstick device used was designed to prevent person-to-person transmission of blood-borne infections, and the staff interviews did not reveal any incorrect use of aseptic techniques. The likely source of infection was identified during a training course 6 months later: a nurse reported that, when collecting blood, she placed patients' fingers directly on the blood glucose meter, a practice she had learned from a poster advertising the device. CONCLUSIONS A nosocomial case of malaria was ascertained, which was likely due to patient-to-patient transmission via a contaminated blood glucose meter. Incomplete instructions for the meter seem to have played a role in this case.
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Affiliation(s)
- Maria Luisa Moro
- Laboratorio di Epidemiologia e Biostatistica, Istituto Superiore di Sanità, Rome, Italy
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Herwaldt BL. Laboratory-acquired parasitic infections from accidental exposures. Clin Microbiol Rev 2001; 14:659-88, table of contents. [PMID: 11585780 PMCID: PMC88999 DOI: 10.1128/cmr.14.3.659-688.2001] [Citation(s) in RCA: 120] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Parasitic diseases are receiving increasing attention in developed countries in part because of their importance in travelers, immigrants, and immunocompromised persons. The main purpose of this review is to educate laboratorians, the primary readership, and health care workers, the secondary readership, about the potential hazards of handling specimens that contain viable parasites and about the diseases that can result. This is accomplished partly through discussion of the occupationally acquired cases of parasitic infections that have been reported, focusing for each case on the type of accident that resulted in infection, the length of the incubation period, the clinical manifestations that developed, and the means by which infection was detected. The article focuses on the cases of infection with the protozoa that cause leishmaniasis, malaria, toxoplasmosis, Chagas' disease (American trypanosomiasis), and African trypanosomiasis. Data about 164 such cases are discussed, as are data about cases caused by intestinal protozoa and by helminths. Of the 105 case-patients infected with blood and tissue protozoa who either recalled an accident or for whom the likely route of transmission could be presumed, 47 (44.8%) had percutaneous exposure via a contaminated needle or other sharp object. Some accidents were directly linked to poor laboratory practices (e.g., recapping a needle or working barehanded). To decrease the likelihood of accidental exposures, persons who could be exposed to pathogenic parasites must be thoroughly instructed in safety precautions before they begin to work and through ongoing training programs. Protocols should be provided for handling specimens that could contain viable organisms, using protective clothing and equipment, dealing with spills of infectious organisms, and responding to accidents. Special care should be exercised when using needles and other sharp objects.
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Affiliation(s)
- B L Herwaldt
- Division of Parasitic Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia 30341-3724, USA.
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Abstract
The increasing number of persons >65 years of age form a special population at risk for nosocomial and other health care-associated infections. The vulnerability of this age group is related to impaired host defenses such as diminished cell-mediated immunity. Lifestyle considerations, e.g., travel and living arrangements, and residence in nursing homes, can further complicate the clinical picture. The magnitude and diversity of health care-associated infections in the aging population are generating new arenas for prevention and control efforts.
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Affiliation(s)
- L J Strausbaugh
- Veterans Administration Medical Center, Portland, Oregon, USA.
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Al-Saigul AM, Fontaine RE, Haddad Q. Nosocomial malaria from contamination of a multidose heparin container with blood. Infect Control Hosp Epidemiol 2000; 21:329-30. [PMID: 10823566 DOI: 10.1086/501765] [Citation(s) in RCA: 22] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
A girl developed Plasmodium falciparum malaria in Riyadh, Saudi Arabia, a non-malarious area. Twelve to 18 days before onset, she had been hospitalized for asthma on the same ward as three malaria patients. The only link between the malaria patients and the asthma patient was a multidose heparin container used to fill syringes for use on heparin locks and intravenous devices. Contamination of the heparin with blood occurred on at least one occasion when a needle had been left in place through the septum of this container and was used to refill a used syringe.
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Affiliation(s)
- A M Al-Saigul
- Saudi Arabian Field Epidemiology Training Program, Ministry of Health, Riyadh
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Abstract
This review describes important examples of recent nosocomial infection epidemics. Current trends suggest that emerging problems in nosocomial infections include increased nosocomial epidemics in out-of-hospital settings, contamination of medical devices and products, and antimicrobial resistance. Increased attention should be focused on outbreak investigations in these areas.
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Affiliation(s)
- C L Richards
- Investigation and Prevention Branch, Hospital Infections Program, Centers for Disease Control and Prevention, Atlanta, Georgia 30333, USA
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