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Biomedical subjects

E C Reisinger

Publications and source records attributed to E C Reisinger.

At least 19 recordsLinked to original sources

Monoclonal and biclonal gammopathy in two patients infected with Bartonella henselae.

Two immunocompetent patients with cat-scratch disease due to infection with Bartonella henselae developed monoclonal and biclonal gammopathy. Neither patient had evidence of any other known cause of plasma cell dyscrasia, and antibiotic eradication of Bartonella henselae infection resulted in the prompt disappearance of the gammopathy. Hence, cat-scratch disease should be added to the list of possible underlying disorders in individuals presenting with monoclonal and biclonal gammopathy.

Adult↗

[Histoplasmosis group disease in bat researchers returning from Cuba].

CASE HISTORY: Four males (age 25 to 40 years) and one female (age 25) were admitted to our hospital almost simultaneously with symptoms of fever up to 38 degrees C, dry cough, thoracodynia, dyspnoea, myalgia and arthralgia. All patients belonged to a team of eight German bat researchers who had returned from Cuba 10 days before, where they had investigated bats in caves. Another member of the team had only mild histoplasmosis and was followed in our outpatient clinic. Two scientists who wore their breathing masks continuously during their work in the caves did not fall ill. EXAMINATIONS: Chest X-rays of all in-patients showed pulmonary infiltrates correlating with the severity of their illness. In all patients specific IgG antibodies against Histoplasma capsulatum-antigen were found in the Western Blot assay, confirming the diagnosis of histoplasmosis. TREATMENT: Treatment with oral itraconazole 200 mg b.d was given to four inpatients for 6 weeks, in the fifth patient itraconazole was discontinued because of an increase of liver transaminases. CONCLUSION: Antimycotic treatment of advancing histoplasmosis seems appropriate also in immunocompetent patients. The high number of patients within this group suggests high numbers of Histoplasma capsulatum in the caves. Wearing breathing masks throughout the work in the caves may prevent histoplasmosis even in case of high infectious doses. Pre-travel recommendations for cave researchers have to emphasize the continuous use of breathing masks and vaccination against tetanus and rabies.

Adult↗

Role of Candida in antibiotic-associated diarrhea.

To quantitatively assess the role of Candida species in antibiotic-associated diarrhea (AAD), stool samples from a total of 395 patients and control subjects were cultured in differential isolation medium: 98 patients had AAD, 93 patients were taking antibiotics but did not have diarrhea (A(+)D(-)), 97 patients were not taking antibiotics but had diarrhea (A(-)D(+)), and 107 patients were control subjects (A(-)D(-)). In addition, secreted aspartyl proteinase (Sap) production was tested. In AAD patients, Candida positivity (77/98) and Candida overgrowth (62/98) were not different from that among A(+)D(-) patients (75/93 [P= .860] and 52/93 [P= .375], respectively). Candida overgrowth among A(-)D(+) patients (40/97, P= .003) was less frequent than among AAD patients, but Candida positivity was not different (80/97, P= .612). In control subjects, Candida positivity and overgrowth were less common than in all other groups. Production of Sap did not differ between patients with AAD and control subjects (P= .568 and P= .590, respectively). Data indicate that elevated Candida counts are a result of antibiotic treatment or diarrhea rather than a cause of AAD.

Age Distribution↗

[Anisakiasis of the stomach--a case report from Germany].

Anisakiasis or "herring worm disease" is one of the most important parasitic diseases of the gastrointestinal tract in Japan. In 1988 Lorenz and Warzok published 8 cases of intestinal anisakiasis in Eastern Germany. In 1988 Spehn et al. reported a case of gastric anisakiasis in an AIDS patient. Here, we describe a case of gastric anisakiasis in Germany with an impressive serious clinical course. The symptoms--acute abdominal cramps, severe chest pain, diarrhoea, sub-febrile temperatures and leucocytosis--followed 4 h after consumption of raw herring, which was homemade pickled in vinegar. The conventional and the endoscopic ultrasonography showed a thickened gastric wall made of mainly thickened submucosa. The larvae of Anisakis in the gastric mucosa were found and extracted endoscopically. Acute and severe abdominal pain after eating raw fish is an indication for early gastroscopy. The endoscopical extraction of possible larvae is the only effective therapy, as anthelmintics against nematodes (mebendazole, albendazole, thiabendazole) are ineffective.

Animals↗

Schistosomiasis and travel medicine.

The rise in off-track tourism and the spread of schistosomiasis in previously non-endemic areas results in an increasing number of imported schistosomiasis cases. - Detection of eggs in stool or urine and specific serology supports the diagnosis, however eosinophilia in early infection is low. In travel groups with a single index case all members of the group with similar risk behaviour should be examined since more than 50% of group members with similar risk behaviour are likely to be infected. Asymptomatic, atypical and late presentation of the disease might delay diagnosis. Praziquantel is not effective against immature worms, therefore treatment of returning travellers with single dose praziquantel is effective when started not earlier than 2 months after infection. A combination of praziquantel plus artemether is thought to be effective also in early stages of infection. Vaccination trials in endemic areas are in progress but a single vaccine for travellers covering all schistosoma species will not be available in the near future. Advising the traveller to avoid risk behaviour like wading, bathing and swimming in endemic fresh waters and about the risk of acquiring schistosomiasis through surface or spray water during boat tours will help to reduce imported schistosomiasis.

Humans↗

Osteomyelitis of the hip joint associated with systemic cat-scratch disease in an adult.

Reported here is the case of a 29-year-old male with cervical lymphadenopathy, fever and weight loss, followed by acute painful osteomyelitis of the left hip joint due to cat-scratch disease. The diagnosis was established by detection of IgG antibodies to Bartonella henselae in serum and histologic examination of a lymph node including a positive polymerase chain reaction test. Treatment consisted of clarithromycin and cefotiam for 2 weeks. Four weeks after discharge, all of the patient's symptoms had completely resolved. Magnetic resonance imaging of the left hip joint showed marked regression of bone inflammation 4 months later and normalization after 8 months. Cat-scratch disease should be considered in the differential diagnosis of osteomyelitis in an adult, especially when lymphadenitis is present.

Adult↗

In vitro activity of newer broad spectrum beta-lactam antibiotics against enterobacteriaceae and non-fermenters: a report from Austrian intensive care units. Austrian Carbapenem Susceptibility Surveillance Group.

We compared the in vitro activity of broad spectrum beta-lactam antibiotics against 573 gram-negative isolates (enterobacteriaceae and non-fermenters) collected between November 1996 and May 1997 from 9 laboratories serving intensive care units throughout Austria. MIC's (Minimal Inhibitory Concentration) were obtained with the E-test for meropenem, imipenem, ceftazidime, cefepime, cefpirome and piperacillin/tazobactam. Pseudomonas aeruginosa was the most frequently isolated organism (22%), followed by E. coli (19%), Klebsiella spp. (16%), and Enterobacter spp. (14%). Acinetobacter spp., Proteus spp., Serratia spp., Stenotrophomonas maltophilia, Citrobacter spp., Morganella morganii, Burkholderia cepacia and Salmonella enteritidis were isolated less frequently. Overall meropenem, imipenem and ceftazidime were the most active compounds in vitro, inhibiting 90%, 89%, and 87% of the isolates, respectively. Pseudomonas aeruginosa was inhibited by piperacillin/tazobactam in 89%, by cefepime in 87% and by ceftazidime in 85%. Imipenem, meropenem and cefpirome were less active (79%, 75% and 69% respectively). All E. coli strains were inhibited by meropenem, 99% were inhibited by imipenem, cefepime and cefpirome. Ceftazidime was active against 95% and piperacillin/tazobactam against 92% of E. coli. All Klebsiella spp. were inhibited by meropenem, cefepime and cefpirome. Imipenem inhibited 99% and ceftazidime 98% of the Klebsiella isolates. Piperacillin/tazobactam was active against 95% of Klebsiella spp. In vitro carbapenems are still the most active of all antibiotics tested. The relatively high resistance of Pseudomonas spp. and Acinetobacter spp. to carbapenems reflects the wide use of carbapenems during the last years. However, most bacterial isolates are still sensitive to the tested broad spectrum beta-lactams.

Acinetobacter↗

Mechanisms and management of antibiotic-associated diarrhea.

Only 10%-20% of all cases of antibiotic-associated diarrhea (AAD) are caused by infection with Clostridium difficile. Other infectious organisms causing AAD include Clostridium perfringens, Staphylococcus aureus, Klebsiella oxytoca, Candida species, and Salmonella species. Most of the clinically mild AAD cases are due to functional disturbances of intestinal carbohydrate or bile acid metabolism, to allergic and toxic effects of antibiotics on intestinal mucosa, or to pharmacological effects on motility. Saccharomyces boulardii and Enterococcus SF68 can reduce the risk of developing AAD. Patients receiving antibiotic treatment should avoid food containing high amounts of poorly absorbable carbohydrates. Mild cases of AAD that may or may not be caused by C. difficile can be resolved by discontinuation of antibiotic therapy and by dietary carbohydrate reduction. Only severe AAD caused by C. difficile requires specific antibiotic treatment.

Animals↗

Gamma knife radiosurgery and albendazole for cerebral alveolar hydatid disease.

Standard treatment of cerebral alveolar hydatid disease consists of open brain surgery and systemic albendazole. We describe a patient with inoperable cerebral alveolar hydatid cysts on whom gamma knife radiosurgery was used instead of open brain surgery. Because of the size of the multicystic lesion, the gamma knife procedure was done in two sessions. Repeated courses of albendazole were given concurrently. Magnetic resonance imaging follow-up studies showed marked shrinkage of the irradiated cystic structures and initially increased perifocal edema. At a follow-up visit 3 years after gamma knife radiosurgery, the polycystic lesion, the perifocal edema, and the neurological symptoms had all markedly decreased. The patient is now stable and has minimal neurological symptoms, and the quality of her life has improved. Gamma knife radiosurgery may be an alternative for patients with cerebral alveolar hydatid disease for whom surgery is not possible.

Adult↗

In vitro activity of trimethoprim against Borrelia burgdorferi.

A new culture medium has been developed to evaluate the activity of trimethoprim and sulfamethoxazole against Borrelia burgdorferi in vitro. In this specially modified Barbour-Stoenner-Kelly medium, in which antagonizing substances were reduced to a minimum, trimethoprim was more active against Borrelia burgdorferi than against a sensitive strain of Escherichia coli, but sulfamethoxazole was not active against Borrelia burgdorferi.

Anti-Bacterial Agents↗

Haemoglobin O Padova and falsely low haemoglobin A1c in a patient with type I diabetes.

Glycated haemoglobin (HbA1c) measured by high performance liquid chromatography (HPLC) in a 20 year old female with insulin dependent diabetes mellitus was consistently within the normal range although her daily blood glucose values were > 11.1 mmol/l. HbA1c measured by immunoagglutination and fructosamine was elevated and correlated with the patient's blood glucose values. The HPLC chromatogram showed an additional peak at HbA0. Electrophoresis of haemoglobin on citrate agar gel revealed an abnormal haemoglobin anodal of HbS. Cellulose acetate electrophoresis and isoelectric focusing demonstrated an additional haemoglobin migrating close to HbA2. Amino acid analysis and DNA sequencing revealed an alpha 30 (B11) Glu-->Lys replacement, that is, haemoglobin O Padova. Investigations of two family members without diabetes revealed the same rare haemoglobin variant. This case showed that this silent haemoglobin mutation caused an additional peak and falsely low HbA1c values when measured by HPLC, the gold standard for this evaluation.

Adult↗