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At least 595 records · Page 33Linked to original sources
PubMed1993

Investigation of the pathogenesis of massive hemolysis in a case of Clostridium perfringens septicemia.

Massive hemolysis is a rare, usually fatal complication of Clostridium perfringens septicemia. Of all toxins produced by the bacterium, phospholipase C (PLC) is believed to be the most likely cause of hemolysis. An influence of neuraminidase has often been suspected. In the present study, a case of C. perfringens septicemia with acute massive intravascular hemolysis is described. It led to death within 4 h of admission to the hospital. While the course of events was comparable to previously reported cases, we succeeded in gaining deeper insight into the pathogenesis by monitoring serum anti-T titer and quantifying serum PLC activity during the course of the disease. We excluded an effect of neuraminidase by a negative direct antiglobulin test, a negative anti-T lectin test, and a steady serum anti-T titer of 1 in 32. Serum PLC activity, on the other hand, showed a nearly fivefold increase (6.0 to 27.3 U/l), which is consistent with the hypothesized dominant role of this enzyme.

Aged↗
PubMed1989

Fatal clostridial pancreatitis following ERCP and percutaneous needle biopsy.

A patient with a large necrotic pancreatic carcinoma underwent ERCP and percutaneous biopsy of the cancer and of a suspected hepatic metastasis. On the second day, she developed a massive hemolysis with a 50% drop of hemoglobin level and a rise of serum bilirubin level from 1.3 to 37.5 mg%. Gas was noted on followup CT scan of the pancreas. Clostridium perfringens was found by needle aspiration of the pancreas and on multiple blood cultures. Death resulted from sepsis on the fourth day. Since ERCP and percutaneous needle biopsy of the pancreas are being done with increasing frequency, and since this complication has not been previously described, this case report is presented.

Acute Disease↗
PubMed2000

[Necrotizing enterocolitis: a historical and current review].

Enteritis necroticans, locally called "Darmbrand", is a severe and life threatening infectious disease which was epidemic in Northern Germany after World War II. Darmbrand had a limited appearance, occurring only for a few years. In Lübeck many cases were diagnosed in 1946/1948 and the book "Darmbrand, Enteritis necroticans" was published in 1949 by clinicians and pathologists. Enteritis necroticans is also known as a tropical cause of bloody diarrhea and is caused by Clostridium perfringens Type C (type beta-toxin). The disease is related to pig feasts in Papua New Guinea. Although necrotizing enterocolitis is now a rather rare disease we must be aware of the appearance of this fulminant entity. This paper represents a review on the historic and current aspects of enteritis necroticans and discusses the epidemiology, pathogenesis and treatment of this disease.

Clostridium Infections↗
PubMed2006

The rubrerythrin-like protein Hsp21 of Clostridium acetobutylicum is a general stress protein.

The small heat shock protein Hsp21 of Clostridium acetobutylicum was recently identified as a rubrerythrin-like protein with a rubredoxin-like FeS(4) domain at the N-terminus and a ferritin-like diiron domain at the C-terminus. Here, we report that the two identical tandem genes rbr3A and rbr3B, which encode the heat shock protein Hsp21, show the transcription pattern of general stress genes. Northern blot analysis indicated that the transcription of the rbr3AB operon is induced by various environmental stress conditions: in addition to heat and oxidative stress, an increase of the pH of the growth medium from 4.5 to 6.2, addition of the salt NaCl (400 mM) or of the solvent butanol (3.5% v/v), and lowering the incubation temperature from 37 to 25 degrees C resulted in transiently increased transcript levels. The promoter region deduced from the 5' end of the mRNA has only limited similarity to the consensus promoter sequence of Gram-positive bacteria. A conserved inverted repeat between this promoter and the initiation codon is proposed to have a regulatory role. Although C. acetobutylicum is regarded as a strictly anaerobic bacterium, live/dead staining demonstrated that it can survive exposure to air or H(2)O(2) and other stressors to various extents.

Bacterial Proteins↗
PubMed2004

Primary abscess of the omentum: report of a case.

We report a case of a primary abscess of the omentum without any obvious etiology. A 62-year-old man was referred to our clinic with lower abdominal pain, and computed tomography showed an intra-abdominal abscess in the left pelvic area. Laparotomy revealed that the abscess adhered to the urinary bladder and abdominal wall, but no perforation of the alimentary tract was identified and there was no foreign body in the abscess cavity. A culture of the abscess fluid grew Clostridium perfringens. The patient was discharged on the 16th hospital day after an uneventful postoperative course without any complications.

Abdominal Abscess↗