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 56,091 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Louse-borne relapsing fever seems to have become endemic in the southern Sudan. The epidemic history of the disease in the Sudan is reviewed. We have studied 363 Sudanese patients involved in an outbreak of louse-borne relapsing fever in Khartoum (Sudan) between January and June 1974. 318 of the 363 patients were new immigrants from the soughern Sudan to Khartoum. The clinical presentation varied. The common clinical fetures of the disease were: fever (94%), headache (85%), hepatosplenomegaly (74%), body and joint pains (66%), abdominal pain and tenderness (63%), jaundice (46%) and epistaxis (40%). Thrombocytopenia was common. Biochemical evidence of hepatocellular and renal damage was present in most patients. The mortality rate was 5-5% with treatment. Post-mortem examination was performed on six cases. The organs predominantly involved were the liver, spleen, brain and lungs. The common causes of death were severe hepatic damage, lobar pneumonia, subarachnoid haemorrhage and splenic rupture.
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PMID:Louse-borne relapsing fever: I. A clinical and laboratory study of 363 cases in the Sudan. 87 Oct 32

A small outbreak of louse-borne relapsing fever in Khartoum (May-June 1974) provided material for a clinico-pathological study. The history of the disease in the Sudan is reviewed and the clinical and laboratory findings in 32 patients are presented. Fever, headache, jaundice, epistaxis and hepatosplenomegaly were the commonest clinical findings; thrombocytopenia was detected in 93% of cases. Although elevated levels of fibrin degradation products were found in most patients, disseminated intravascular coagulation could not be diagnosed. Hepatocellular derangement was found in 68% of cases, while 78% had high blood urea. In five autopsied bodies there was bronchopneumonia, interstitial edema with focal myocardial fibrosis, hepatic necrosis, splenic infarcts, increase in size and cellularity of the glomeruli and brain edema and congestion. Intracranial haemorrhage was found in three of the autopsied cases.
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PMID:Louse-borne relapsing fever in the Sudan. A historical review and a clinico-pathological study. 742

An outbreak of louse-borne relapsing fever, caused by the return to their original recruitment areas of soldiers at the end of 30 years of fighting in northern Ethiopia, was reported in the Arsi region. We studied 103 infants and children with louse-borne relapsing fever who were admitted to Asella Hospital between 1 May 1991 and 30 April 1992. Twenty-one per cent of the patients had a clear history of contact with sick ex-soldiers; 42% were students admitted to the hospital following the re-opening of schools after the summer vacation. The common clinical features of the disease were fever in 100%, headache in 84.5%, chills in 74%, abdominal pain in 51%, epistaxis in 20%, hepatomegaly in 26%, splenomegaly in 14%, petechial rash in 34% and jaundice in 10%. Differences in symptoms and signs according to age are described. Observed complications were pneumonia in 14% and central nervous system involvement in 10%. Four children went into deep coma, and two of them died. Severe disease was associated with a high density of spirochaetes in blood smears. Patients were treated with two low doses of penicillin or one dose of penicillin followed by, according to age, chloramphenicol or tetracycline, and with intravenous fluids. The case fatality rate was 1.9%. Jarisch-Herxheimer reactions occurred in 61% of patients. There were relapses in 2.9% of treated patients.
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PMID:Louse-borne relapsing fever in Ethiopian children: a clinical study. 768 13

An outbreak of louse-borne relapsing fever, due to the return of soldiers to their original recruitment areas, after the end of thirty years of fighting in northern Ethiopia, was reported in Arsi region, southern Ethiopia. The epidemic spread to different members of the community and eventually the schools. We studied 389 patients affected by the epidemic and who were admitted to Asella Hospital between June 1991 and May 1992. Twenty-seven per cent of the patients were ex-soldiers; 28% were students, who were admitted to the hospital since the schools were opened after the summer vacations. The common clinical features of the disease were fever (99%), headache (92%), hepatosplenomegaly (66%), myalgia (55%), arthralgia (51%), petechial rash (43%), epistaxis (24%) and jaundice (23%). Observed complications were pneumonia (10%), pulmonary edema (6%), myocarditis (3%) and 6 abortions in 15 pregnancies. Patients were treated with low dose penicillin and i.v. fluids. The in-hospital case fatality rate was 3.6%. Jarisch-Herxheimer reaction occurred in 43% of the patients. 1.8% of the patients had relapses after treatment.
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PMID:Louse-borne relapsing fever. A clinical and an epidemiological study of 389 patients in Asella Hospital, Ethiopia. 794 Oct 15

Relapsing fever is characterized by recurring episodes of fever and nonspecific symptoms (e.g., headache, myalgia, arthralgia, shaking chills, and abdominal complaints). The illness is caused by an infection from the Borrelia species (spirochetes) that may be acquired through the bite of an infected tick (Ornithodoros species) or contact with the hemolymph of an infected human body louse (Pediculus humanus). In North America, most cases have been acquired in the western United States, southern British Columbia, and few cases have been reported from Mexico. Most cases have been acquired from exposure to rustic tick-infested cabins and caves. This article reviews relapsing fever, especially tick-borne relapsing fever in North America.
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PMID:Tick-borne relapsing fever in North America. 1198 10

The aim of the study was to chart incidence and clinical features of tick-borne relapsing fever in Tanzania. Consecutive patients with fever and spirochetes demonstrated in a thick blood smear at Haydom Lutheran Hospital from 1 January to 31 December 2003 underwent clinical and cerebrospinal fluid (CSF) examination. Forty-four patients were included, making an estimated minimum annual incidence of 11 per 100 000 population in this region. The mortality rate was 2.3% (95% CI = 0-12). The most frequent complaints were generalized malaise (93%), headache (86%), nausea and vomiting (52%). None of the patients [0% (95% CI = 0-8)] had focal neurological symptoms. Cell count in CSF was normal in 22 and slightly elevated (6-12 leukocytes/mm(3)) in 20 patients. Two of three pregnancies had a poor outcome. Jarisch-Herxheimer reactions, bleeding complications and ocular manifestations were infrequent. In conclusion, tick-borne relapsing fever is a common disease in the Northern highland of Tanzania, but in contrast to other parts of the world, neurological involvement is uncommon in this area.
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PMID:Absence of focal neurological involvement in tick-borne relapsing fever in northern Tanzania. 1588 49

Malaria and relapsing fever are arthropod-borne infections characterized by fever, myalgia, headache, and a tendency to relapse. Both are diagnosed through examination of stained blood films, and both might respond to tetracycline therapy. In at least four published case reports, the presence of malarial microgametes possibly resulted in misdiagnosis of borreliosis in patients with malaria. An additional case is presented, and the mechanism of microgamete production in clinical specimens is discussed.
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PMID:Pseudo-borreliosis in patients with malaria. 1601 60

Overseas deployments place military personnel at risk for tropical diseases not typically observed on the U.S. mainland. This case describes the first reported case of brucellosis returning from Operation Enduring Freedom and Operation Iraqi Freedom. A 31-year-old infantry soldier complained of a 6-week history of headaches, relapsing fever, and constitutional symptoms since returning from Iraq. This soldier was determined to have the only reported case of brucellosis, but was one of many soldiers at risk from eating unpasteurized cheese on the local economy. Although malaria and leishmaniasis continue to be the most common deployment-related illnesses, brucellosis must also be considered in the differential of any redeployed soldier with headache, fever, and body aches. Public health as well as command elements must reinforce their role in preventing exposure to this pathogen.
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PMID:Illness in a redeployed soldier. 1752 Nov 7

Tick-borne Relapsing Fever (TBRF) is a vector-borne disease of humans which causes serious illness, primarily for children under five years old and pregnant women. Understanding people's knowledge, attitude and practices on the disease is important in designing appropriate interventions. This study was conducted to explore community knowledge, attitudes and practices regarding TBRF transmission and control to provide baseline data for the planned scaling up of intervention in Dodoma rural District in central Tanzania. A total of 198 heads of households were interviewed using a semi-structured questionnaire. Of these, 94.5% were aware of TBRF. Fever of unknown origin (69.5%), body pain (8.5%), headache (8.5%), chills (4.5%) and vomiting (3.5%) were the most commonly mentioned symptoms. The domestic tick-infestation and tick-bites was known to 82.8%. High domestic tick infestation reported to occur during dry season (85.4%). The majority believed that the disease spreads through tick-bites (85.9%). Regular plastering of house floors and walls was the most common method used by the community to control domestic tick infestation (96.5 %). Majority (84.3%) of the respondents preferred public healthcare facilities for treatment. Only a small proportion (15.7%) preferred using traditional medicines. Poor knowledge of the study subjects about the disease and its control underscores the need for health educational campaigns if any control and/or elimination programme is to succeed.
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PMID:Community knowledge, attitudes and practices related to tick-borne relapsing fever in dodoma rural district, central Tanzania. 1902 37

We describe the epidemiological and clinical aspects of louse-borne relapsing fever (LBRF) in a series of children attending in a rural hospital in Ethiopia during 1997-2007. From a total of 249 cases of LBRF, 154 (61.4%) were children (<15 years). The most frequent symptoms were: fever, headache, dizziness and musculoskeletal pains. The overall case fatality rate was 2.4 (10% for patients <1.1 years; 3.4% for 1.1 to 4.0 years; and 0% >4.0 years [P = 0.05]). The mortality in children was less than in adults (13.2%) (P = 0.003).
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PMID:Louse-borne relapsing fever in Ethiopian children: experience of a rural hospital. 1921 22


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