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Spondweni virus is a mosquito-borne flavivirus previously reported to cause human disease in Southern and West Africa. A serologically confirmed case of Spondweni virus infection in a U.S. citizen residing in Upper Volta is reported. Symptoms included fever, chills, headache, myalgia, nausea, and rash. A greyish mucoid lining was present on the posterior pharynx. The differential diagnosis included rickettsial infection, leptospirosis, typhoid fever, and numerous viral illnesses including Lassa fever. Evidence of Spondweni virus infection was also found in two other U.S. citizens residing in Gabon and Cameroon. Spondweni virus might be a cause of acute febrile illness throughout West Africa, and its presence should be considered in the differential diagnosis of febrile illness and in antibody surveys in that region.
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PMID:Spondweni virus infection in a foreign resident of Upper Volta. 612 99

A clinic-hospital-based leptospirosis surveillance program was conducted to determine the morbidity and risk factors in nonepidemic settings. The study was conducted on two islands, Kauai and Hawaii (Big Island), in the state of Hawaii for one year during 1988 and 1989. An active, more comprehensive case detection system was used on the Big Island that enabled us to determine the incidence of clinical disease. Subjects from both islands were used to conduct a case-control study for risk factors. One hundred seventy-two subjects from the Big Island (who presented with any two of the following symptoms: fever, headache, myalgia, or nausea/vomiting) were enrolled in the study. Twenty cases were diagnosed by culture, serology, or fluorescent antibody tissue staining at autopsy. Six cases required hospitalization and two succumbed to fatal infections. We estimated that these cases represented an annual incidence rate of 128 per 100,000 person-years in our target population. For 33 cases, 77 controls were matched for island, age, sex, and time of onset of illness. Interviews were conducted retrospectively in a double-blinded fashion with cases and controls and evaluated approximately 30 risk factors. Factors that were associated most strongly with development of leptospirosis were household use of rainwater catchment systems (P = 0.003), presence of skin cuts during the incubation period (P = 0.008), contact with cattle or the urine of cattle (P = 0.05 and P = 0.03, respectively), and handling of animal tissues (P = 0.005).(ABSTRACT TRUNCATED AT 250 WORDS)
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PMID:Active surveillance and risk factors for leptospirosis in Hawaii. 842 86

Leptospirosis, a zoonosis with worldwide distribution, may have a broad spectrum of clinical manifestations that can delay the diagnosis, especially in wet climates where other conditions may dissimulate the main aspects. The authors describe 42 cases of patients with leptospirosis admitted to the Infectious Diseases Unit of a general hospital since 1990. The goal was to analyse epidemiological features, clinical manifestations, laboratory findings, treatment and evolution. There were 23 males (54.7%) and 19 females (45.2%), with ages ranging from 17 to 82 years. Most cases occurred in occupational settings, especially in those in contact with animals or stagnant water. All the cases had serological confirmation (by MAT or ELISA methods). Anicteric forms represented 42.9% of the total, which implies that in many cases a diagnosis is not immediately evident. The main symptoms, other than fever (97.6%) and jaundice (57.1%), were myalgia (71.4%), headache (42.8%) and nausea (33.3%). Renal involvement was common (52%), but the most severe forms occurred in 3 patients who required hemodialysis; followed by D.I.C. in 9.5%; meningitis in 4.7% and pulmonary involvement in 2.3% of the cases. The serovars most commonly identified were L. icterohaemorraghiae (28.5%), L. australis (14.3%), L. grippothyphosa (11.9%) and L. canicola (9.5%). The patients were treated with penicillin G (83.3%) or doxycyclin (9.5%). Two of them deceased (4.7%) and the remainder had a good evolution. The diagnosis of leptospirosis may be delayed if physicians fail to include this infection in the initial differential diagnosis. In view of this, the authors emphasize that when nonspecific clinical manifestations occur, a good epidemiological history is useful in proposing this diagnosis.
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PMID:[Human leptospirosis. A short review concerning a caseload]. 1089 35

An 8-year-old male aborigine was referred to our hospital with a presumptive diagnosis of Kawasaki disease. The major symptom presented was a persistent fever for six days. Several other symptoms were drowsiness, headache, nausea, vomiting, abdominal pain, diarrhea, nuchal rigidity, lymphadenopathy, subconjunctival hemorrhage, and muscle aching of the calf. During hospitalization, cerebrospinal fluid studies showed pleocytosis. Abdominal sonograms revealed hepatosplenomegaly, moderate ascites and gallbladder wall thickening. These data were suggestive of leptospirosis. The microscopic agglutination test of leptospiral antibodies further confirmed the diagnosis. After treatment with intravenous aqueous penicillin and gentamicin, the clinical course improved significantly.
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PMID:Leptospirosis: report of one case. 1156 78

A controlled, randomized assay was performed to evaluate the reactogenecity and immunogenecity of Cuban trivalent vaccine against human leptospirosis (vax-SPIRAL) in healthy volunteers, using different vaccination schemes. A Russian-made vaccine was used as control. Adverse effects were local symptoms and signs (pain, rush, local infiltration, itching, necrosis and abscess) and general symptoms and signs(fever, low-grade fever, headache, lipotimia, nausea, vomiting, rash and general malaise). The results showed that the vaccine is innocuous since no serious adverse effects were observed. Low-grade fever and slight local pain were the symptoms and signs that occurred at acceptable levels. Fever was present in a small number of volunteers. Similar adverse reactions were reported in the groups immunized with Cuban vaccine under different vaccination schemes and in those immunized with the Russian-made vaccine. Most of the symptoms and signs disappeared after 72 hours. Seroconversion was similar to other bacterines against leptospirosis. The achieved results allowed concluding that the Cuban vaccine is safe and low reactogenic for human adults.
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PMID:[Reactogenecity and immunogenecity of Cuban trivalent inactivated vaccine against human leptospirosis in different vaccination schedules]. 1584 39

Two cases of acute pancreatitis with leptospirosis are reported in this article. CASE 1: A 68-year-old woman, presented initially with abdominal pain, nausea, vomiting, and jaundice. She was in poor general condition, and had acute abdominal signs and symptoms on physical examination. Emergency laparotomy was performed, acute pancreatitis and leptospirosis were diagnosed on the basis of surgical findings and serological tests. The patient died on postoperative d 6. CASE 2: A 62-year-old man, presented with fever, jaundice, nausea, vomiting, and malaise. Acute pancreatitis associated with leptospirosis was diagnosed, according to abdominal CT scanning and serological tests. The patient recovered fully with antibiotic treatment and nutritional support within 19 d.
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PMID:Acute pancreatitis caused by leptospirosis: report of two cases. 1603 53

Patients with high fever and multiorgan involvement were investigated for the determination of frequency, clinical course and complications of leptospirosis in Istanbul. Leptospirosis was determined in 22 cases among the 35 hospitalized patients that were pre-diagnosed as leptospirosis according to 'Probable Leptospirosis Diagnosis and Follow-up' form. Among the leptospirosis cases 19 were male and 16 were military staff. Mean age was 35.6 y. Dark field examination (DFE), latex agglutination test (LAG), ELISA IgM, leptospirosis culture (LC) and microscopic agglutination test (MAT) were performed to confirm the diagnoses. The most frequent initial symptoms and findings were fever, fatigue, headache, nausea-vomiting and increased muscle sensitivity. Jaundice was noted only in 2 cases. A 74-y-old female patient died after the recurrence of the disease with severe rhabdomyolysis and pulmonary failure. Sagittal sinus thrombosis, perimyocarditis and chronic renal failure were major complications in another 3 patients. ELISA IgM, LC, DFE, LAG and MAT tests were positive in 68, 72, 82, 100 and 100% of the patients, respectively. As a conclusion, diagnosis of leptospirosis is usually overlooked. Clinical awareness, use of probable leptospirosis diagnosis forms and the application of different laboratory methods in the diagnosis of suspected cases may offer the chance to diagnose the leptospirosis accurately.
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PMID:Leptospirosis in Istanbul, Turkey: a wide spectrum in clinical course and complications. 1700 27

Here we report a case of leptospirosis without fever during the late stage of pregnancy in which the initial clinical presentation was more suggestive of a pregnancy-related liver dysfunction rather than an infectious disease. A 32-year-old primipara at 37 week of gestation was hospitalised with a 10-day history of nausea, vomiting, and abdominal pain without fever. Initial routine blood tests showed hyperbilirubinemia, a moderate increase in transaminase levels, severe coagulopathy and an increased creatinine level. On clinical suspicion of pregnancy-related liver dysfunction such as HELLP syndrome (hemolysis, elevated liver enzyme levels, low platelet count) or acute fatty liver of pregnancy (AFLP), emergency caesarean section was performed and a healthy baby was delivered. Postoperatively, the patient was stable, but 5 days later she developed clouding of consciousness, severe jaundice and respiratory failure. At this time, an infectious disease was considered and leptospirosis was confirmed by serological tests. In conjunction with intensive care management, antibiotic therapy was given; the patient was discharged in good condition and her baby did not develop signs of active leptospirosis. While leptospirosis is rare in pregnancy, this is the first report of acute infection without fever mimicking the clinical pattern of HELLP syndrome or AFLP
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PMID:Unusual presentation of leptospirosis in the late stage of pregnancy. 1763 89

Doxycycline is a semi-synthetic derivative of tetracycline family exhibiting an interesting pharmacokinetic profile since no dosage adjustment is required for renal failure. Doxycycline displays good bacteriostatic activity against most bacteria as well as anti-inflammatory activity. Bacterial resistance is mainly acquired. Many infectious diseases can be treated with doxycycline including brucellosis, pasteurellosis, borreliosis, rickettsioses, trepanomatosis, cholera, leptospirosis, Q fever, pulmonary and urinary infections due to Chlamydia and Mycoplasma, gonococcia, and anthrax. Doxycycline also prevents development of Plasmodium in the blood and is thus useful for malaria prophylaxis. In dermatology, doxycycline is indicated for acnea and rosacea. Doxycycline is well tolerated. The most frequent adverse effects are stomach upset, nausea, and diarrhea, but new formulations that reduce these manifestations are now available. Phototoxicity is dose-dependant and other side effects are rare. Like other tetracylines, doxycycline is contraindicated in children, pregnant women after the second trimester, and breast-feeding mothers.
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PMID:[Doxycycline]. 2009 67

Lyme disease which is caused by the spirochete Borrelia burgdorferi, is a multisystemic disease that involves skin, joints, cardiovascular and central nervous system, leading to chronic inflammatory response and late complications. First lyme cases have been reported after 1990's in Turkey and the spirochete was isolated from the tick vectors. In this case series three human Lyme cases confirmed with not only serological tests but also growth in Barbour-Stoenner-Kelly medium were presented for the first time in Turkey. Two of these three cases were residents in Istanbul while the third one has acquired the infection in USA (imported case). First case was a previously healthy 46 years old male, admitted to the state hospital with the complaints of diarrheae, chills, nausea, vomiting, cough, sputum production and widespread myalgias. The patient was a chronic alcohol consumer with a history of frequent visits to the forest areas. The laboratory test results revealed hepatonephritis-like clinical picture and pulmonary involvement. Leptospira IgM and Borrelia IgM antibodies were detected in the serum by ELISA and both of the agents were isolated in the blood cultures of the patient. This case was then diagnosed as Lyme disease with leptospirosis co-infection. The second case was a 32 years old female who suffered from Bell's palsy for the last 15 days. Cranial magnetic resonance imaging showed a nodular lesion at globus pallidus. Since the patient had a history of tick-bite, further testing was done for Lyme disease. Borrelia IgM and IgG antibodies were found negative, however, Borrelia was isolated from the cerebrospinal fluid sample. The third patient was a 68 years old female who had recently travelled to USA and exposed to a tick-bite in a recreational area. She suffered from nausea, vomiting, myalgia and cutaneous lesions compatible with erythema chronicum migrans. Samples taken from the skin lesions revealed growth of Borrelia. As far as the current literature is concerned, these were the first three culture proven cases of Borrelia in Turkey. These three cases supported the presence of Lyme disease in Turkey and indicated that the disease could present itself in various clinical pictures.
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PMID:[First report of three culture confirmed human Lyme cases in Turkey]. 2045 10


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