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 1,847 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Two cases of Listeria monocytogens meningitis among 212 kideney transplanted patients (total of 339 patient years of observation) under immunosuppression with azathioprine and prednisone are presented. Both cases developed shortly after an increase of the immunosuppression. The first case appeared in a 27-year-old man 5 days after a minor increase of the azathioprine dose from 75 to 100 mg/day. The course was relatively mild, and the patient was cured by tetracycline. The second case appeared in a 52-year-old woman 5 days after a massive increment of the steroid dose and adminsteration of a moderate azathioprine dose, carried out to revert a rejection of the graft. This case had a fulminant course and was complicated by Listeria sepsis with hemolysis, pronounced oliguria and thrombocytopenia leading to fatal internal bleedings, primarily in the brain. Considering the poor prognosis of this complication it is suggested that cytotoxic drugs are temporarily discontinued and the steroid dose reduced at the height of the infection.
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PMID:Clinical listeriosis in renal allotransplantation. 80 2

Sixty-one hospitalized infants aged one day to six months were enrolled in an open, multicenter noncomparative clinical study of the efficacy and safety of imipenem/cilastatin. Patients weighing less than 1500 g (four males/ten females, Group 1) and those greater than or equal to 1500 g (31 males/16 females, Group 2) were analyzed separately. Total daily dose (divided into b.i.d. (27) or t.i.d. (34) regimens) ranged from 50 to 101.4 mg/kg given for 10.8 days (means, range 2 to 35 days) for Group 1 and 39.7 to 103 mg/kg given for 11.2 days (means, range 1 to 41 days) for Group 2. The investigators graded the intensity of signs and symptoms of infections as moderate or severe in 86 and 91% of patients in groups 1 and 2, respectively, and bacterial pathogens were isolated pretreatment in 43 and 32% of patients. Eighty-eight percent of all bacterial pathogens were susceptible to imipenem in vitro. The most commonly isolated pathogens were Pseudomonas aeruginosa and Klebsiella pneumoniae. Patients who had confirmed bacterial infections and who did not receive concomitant antibiotics were considered evaluable for efficacy, including 6 (43%) in Group 1 and 15 (32%) in Group 2. Infection sites were (Group 1) respiratory (100%), and (Group 2) skin and skin structures (33%), urinary (11%), gastrointestinal (11%), septicemia alone (11%) and meningitis or respiratory (28% and 6% with sepsis, respectively). Safety analysis included all patients. Imipenem/cilastatin was well tolerated in 93% of Group 1 and 85% of Group 2 patients. Three patients' treatments were discontinued due to rash, oliguria or poor local tolerability. Three patients in Group 1 and four in Group 2 died; deaths were considered unrelated to imipenem/cilastatin. Results are as follows: (table; see text) In summary, 81% (17 of 21) of evaluable patients were clinically cured or improved, among whom 3 of 21 patients (14%) had serious clinical or laboratory adverse experiences which were considered possibly related to imipenem/cilastatin. These results are comparable to results reported with other single or multiple antibiotic regimens.
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PMID:Imipenem/cilastatin therapy for serious infections in neonates and infants. 333 Oct 42

BACKGROUND: Leptospirosis (LS) and Hantavirus (HV) infection have many common clinical manifestations, including acute renal failure. In as much as clinical experience with these diseases is quite limited in urban centers, we identified cases of Leptospira and HV-induced acute renal failure and compared the clinical course and evolution of these diseases. METHODS: Patients hospitalized with acute renal failure, suspected to be caused by infection, were retrospectively studied over a 13-year period (1985-1998). Based on pertinent clinical data and positive serology, a total of 26 patients were included in the study, 17 patients with LS and 9 patients with HV infection. RESULTS: Both diseases presented as flu-like syndromes with high fever. In LS, 2 patients presented with acute meningitis and died soon after admission. Symptoms and signs from other organs began after the fifth day of illness. Jaundice occurred in 71% of LS patients but not in HV. Hemorrhagic phenomena occurred in both diseases but affected predominantly patients with icteric LS. Anuria or oliguria occurred in 76% of patients with LS and 78% with HV infection. Laboratory studies demonstrated minor transaminase elevations in all patients with LS and in 44% with HV. Hypoprothrombinemia or thrombocytopenia was uncommon, although disseminated intravascular coagulation (DIC) developed in 2 patients that had icteric Ls and major bleeding. Nephropathy was associated with haematuria in 71% with LS and all patients with HV. Proteinuria was evident in 35% of patients with LS compared to 78% with HV. Abnormal chest radiographs were seen in 24% with LS and in 33% with HV. In both diseases, aggressive supportive treatment was given, including hemodialysis or peritoneal dialysis in 4/26 patients. Of the 26 patients, 22 survived and four died. The latter all had LS, and the causes of death were meningitis and DIC with multiple organ failure. Follow-up, after 6 months, showed that renal function had returned to normal in the 22 survivors. CONCLUSION: It is important to include LS and HV infection in the differential diagnosis of acute renal failure. Both diseases present with flu-like symptoms and may be complicated by thrombotic microangiopathy with hemorrhagic phenomena and hepatic and pulmonary involvement. Jaundice should alert the physician to icteric LS, a severe disease associated with significant mortality that requires antimicrobial treatment.
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PMID:Acute renal failure caused by leptospirosis and Hantavirus infection in an urban hospital. 1206 23

Acute renal failure is a common occurrence in sepsis, but is rarely reported in meningococcemia. We present a young child diagnosed with fulminant meningococcemia who had several poor prognostic factors, including hypotension, thrombocytopenia, purpura fulminans, seizures, the absence of meningitis with meningococcemia, and acute renal failure, which was successfully treated with peritoneal dialysis. Peritoneal dialysis was started on the 5th day because the patient had been anuric for 48 h. At that time, analysis showed that the child was both hypokalemic and hypophosphatemic. His serum blood urea nitrogen was 61 mg/dl, creatinine 2.75 mg/dl, potassium 2.8 mEq/l, and phosphorus 0.7 mg/dl. Urine output began on the 12th day post admission and normalization of serum creatinine was achieved on the 26th day. In conclusion, renal failure is an important complication of meningococcemia and, to be effective, sometimes long-term peritoneal dialysis is required. Profound metabolic abnormalities, such as hypokalemia and hypophosphatemia, may occur paradoxically in the presence of oliguria.
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PMID:Fulminant meningococcemia and acute renal failure in a 3-year-old boy. 1549 Feb 48

Streptococcus pneumoniae is an uncommon etiological organism in children with hemolytic uremic syndrome (HUS). Patients with S. pneumoniae-associated HUS commonly have a pneumonia or meningitis. Historically, S. pneumoniae-associated HUS usually has a poor clinical outcome. We report 3 pediatric cases of pneumococcal pneumonia-induced HUS. All 3 patients were <2 years old, had an empyema complicating pneumococcal pneumonia, and developed renal failure with oliguria and required peritoneal dialysis for a period of 9 to 26 days. All children received several transfusions of unwashed packed red cells and platelets. All of the patients survived. Of the 3 cases, 2 had a normal renal function at discharge, and 1 had a mild renal impairment at 16-month follow-up. Our report suggests S. pneumoniae-associated HUS remains a rare but severe complication of invasive pneumococcal infection in children. It is important for pediatricians to note that children with pneumococcal pneumonia with severe hematologic and renal dysfunction should be investigated for evidence of S. pneumoniae-associated HUS.
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PMID:Pneumococcal pneumonia with empyema and hemolytic uremic syndrome in children: report of three cases. 1692 83

A 14-year-old male patient was admitted with fever, vomiting, muscular pain, mainly in the lower limbs, oliguria and oedema. The presence of rats in the vicinity of the home was reported. Laboratory tests on admission revealed severely compromised renal function and increased phosphokinase creatine and thrombocytopenia. Although the patient presented an atypical course without jaundice or meningeal involvement, early dialytic treatment was administered concomitant with empiric antibiotic therapy for leptospirosis. The probable infected serogroup by serology was Autumnalis. This atypical case illustrates that, in the presence of fever, renal failure, rhabdomyolysis and thrombocytopenia, leptospirosis should be considered, even in the absence of jaundice or meningitis, especially if there is a history of contact with carrier animals.
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PMID:Severe acute renal failure in a child: a rare complication of anicteric leptospirosis. 1763 21

This study described the clinical features and complications of leptospirosis among patients seen at nine tertiary hospitals from September 28 to November 30, 2009 after a heavy rainfall typhoon. The clinical findings of the confirmed cases were compared with the previous clinical studies on seasonal leptospirosis in the Philippines. Risk factors for complicated disease were also identified. Confirmed cases were based on any of the following: positive leptospiral cultures of blood or urine, single high leptospira microscopic agglutination test (MAT) titer of 1:1,600, a fourfold rise in MAT, and/or seroconversion. Of 670 patients with possible leptospirosis, 591 were probable by the WHO criteria, 259 (44%) were confirmed. Diagnosis was confirmed by MAT 176 (68%), by culture 57 (22%), and by MAT and culture 26 (10%). The mean age of the confirmed cases was 38.9 years (SD 14.3). The majority were males (82%) and had a history of wading in floodwaters (98%). The majority of the patients presented with nonspecific signs, with fever as the most common (98.5%). Other findings were myalgia (78.1%), malaise (74.9%), conjunctival suffusion (59.3%), oliguria (56.6%), diarrhea (39%), and jaundice (38%). Most of the patients presented with a moderate-to-severe form of leptospirosis (83%). Complications identified were renal failure (82%), pulmonary hemorrhage (8%), meningitis (5%), and myocarditis (4%). Mortality rate was 5%, mostly due to pulmonary hemorrhage. This study emphasizes the importance of public awareness and high index of suspicion among clinicians of leptospirosis during the monsoon months when flooding is common. Early recognition and detection of the disease should decrease morbidity and mortality.
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PMID:Clinical profile of patients diagnosed with leptospirosis after a typhoon: a multicenter study. 2445 Feb 39

Streptococcus suis is a major swine pathogen. It has recently been recognized as an emerging zoonosis that causes mainly meningitis and sepsis in human. In particular, toxic shock-like syndrome (TSLS) caused by this pathogen has a high mortality rate. However, misidentification of S. suis by conventional biochemical and commercial identification tests is not rare. The patient was a 71-year-old man who worked as a pig farmer who was admitted for fever, oliguria and subcutaneous hemorrhage. He was diagnosed as having septic shock and blood culture was positive for Gram-positive cocci, mainly diplococcus. This pathogen was identified with S. suis with using MALDI-TOF MS analysis, though a commercial Gram-Positive bacteria identification kit revealed viridans streptococci. His clinical features met the diagnostic criteria of TSLS, and ceftriaxone and clindamycin were administered. On admission day 28, he was discharged in good condition.
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PMID:[Streptococcal Toxic Shock-like Syndrome due to Streptococcus suis Serotype 2 in a Japanese Pig Farmer]. 2682 23