Culture and Polymerase Chain Reaction of Helicobacter pylori from Rectal and Terminal Ileal Fluid after Polyethylene Glycol (Colyte(R)) Ingestion in Healthy Adults with Positive Urea Breath Test / 대한소화기학회지

BACKGROUND/AIMS: Helicobacter pylori (H. pylori) transmission route is not yet clearly understood. Isolating H. pylori from stool, saliva, and vomitus is very difficult. However, H. pylori could be cultured from feces in the setting of rapid gastrointestinal tract transit. The aim of this study was to isolate H. pylori by culture and PCR in the rectum and terminal ileum during colonoscopy. METHODS: Twenty subjects with positive UBT (urea breath test) were included. We performed polymerase chain reaction (PCR) test and culture of H. pylori with the rectal fluid and terminal ileal fluid during colonoscopy. RESULTS: H. pylori was cultured with rectal fluid from 9 (45.0%) of 20 subjects and with ileal fluid from 11 (55.0%) of 20 subjects. H. pylori was a little more frequently cultured from the terminal ileal fluid than the rectal fluid without statistical significance (p>0.05). PCR test detected flaA (16/20, 80.0% and 17/20, 85.0%), 16S rRNA gene (16/20, 80.0% and 17/20, 85.0%), cagA (10/20, 50.0% and 12/20, 60.0%), and ureC (9/20, 45% and 11/20, 54.5%) from the rectal fluid and the terminal ileal fluid, respectively. The specificity and sensitivity of ureC were 100%. CONCLUSIONS: H. pylori could be cultured from the rectal fluid and terminal ileal fluid in the setting of rapid gastrointestinal tract transit. These results suggest of fecal-oral transmission of H. pylori.

Two cases of endobronchial actinomycosis that were cured by bronchoscopic removal and short-term antibiotic therapy / 대한내과학회지

Actinomycosis is an uncommon, chronic granulomatous, suppurative disease related to Actinomyces israelii, which is a natural inhabitant of the oropharyngeal cavity and the major human pathogen of actinomycosis. In the past, dramatic presentation of thoracic actinomycosis, in conjunction with prominent chest pain and cutaneous fistulas that discharge sulfur granules, has frequently been reported. However, more recent data indicate that chest wall or rib involvement is now much less common than was previously encountered. This could result in more favorable responses to short-term intravenous antibiotic therapy. Foreign-body-associated actinomycosis is a very rare type of thoracic actinomycosis. We report two cases of endobronchial actinomycosis associated with a foreign body. In both cases, the foreign body was successfully removed by bronchoscopy. Each patient was treated with antibiotics for about 70 days. The duration of antibiotic therapy was relatively short, as compared to conventional therapy. Nevertheless, there was no recurrence or complications over 1 year.

Dieulafoy's Lesion Coexisting with Early Gastric Cancer / 대한소화기내시경학회지

Dieulafoy's lesion is an uncommon cause of gastrointestinal (GI) bleeding, but can be associated with massive, life-threatening GI bleeding. This lesion is an isolated protruding vessel of the submucosal artery associated with a small mucosal defect and normal surrounding mucosa. Although this lesion can occur throughout the GI tract (esophagus, stomach, duodenum, colon, rectum, etc), it has been rarely reported elsewhere than the stomach. Especially, there have been no reports of Dieulafoy lesion coexistent with early gastric cancer in Korea. We report the successful application of endoscopic hemoclipping for the treatment of a very rare Dieulafoy lesion coexistent with early gastric cancer.

A Fatal Case of Simultaneous, Very Late Thrombosis Involving Three Drug-Eluting Stents in Three Coronary Arteries

Late stent thrombosis is one of the most serious complications associated with morbidity and mortality after coronary drug-eluting stent implantation, and is mainly caused by the withdrawal of antiplatelet agents. We report our experience of late stent thrombosis simultaneously involving three different coronary arteries in a young male patient who was treated with three drug-eluting stents two years ago. The patient stopped taking antiplatelet agents for several days. The patient did not recover from cardiogenic shock, even after repeated ballooning with thrombus aspiration, intra-aortic balloon pumping, and temporary pacing during cardiopulmonary resuscitation.