PubMed · 13051268
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H J GROENENDIJK, W A BAX, J TEN KATE. 1953. [Double gallbladder].. https://pubmed.ncbi.nlm.nih.gov/13051268/
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AIM: To study whether severe acute respiratory syndrome coronavirus (SARS-CoV) could be excreted from digestive system. METHODS: Cell culture and semi-nested RT-PCR were used to detect SARS-CoV and its RNA from 21 stool and urine samples, and a kind of electropositive filter media particles was used to concentrate the virus in 10 sewage samples from two hospitals receiving SARS patients in Beijing in China. RESULTS: It was demonstrated that there was no live SARS-CoV in all samples collected, but the RNA of SARS-CoV could be detected in seven stool samples from SARS patients with any one of the symptoms of fever, malaise, cough, or dyspnea, in 10 sewage samples before disinfection and 3 samples after disinfection from the two hospitals. The RNA could not be detected in urine and stool samples from patients recovered from SARS. CONCLUSION: Nucleic acid of SARS-CoV can be excreted through the stool of patients into sewage system, and the possibility of SARS-CoV transmitting through digestive system cannot be excluded.
Since the introduction of flexible fiberoptic endoscopy in the early 1970s, esophagogastro-duodenoscopy and colonoscopy have become established procedures for the diagnosis, evaluation and treatment of gastrointestinal tract disease in the pediatric population. The development of safe fiberoptic endoscopes specially designed for neonates has allowed visualization of lesions occurring in the first days of life. Despite an increased understanding of neonatal digestive disorders deriving from this new diagnostic modality, there is little consensus on the appropriate use of endoscopic procedures in routine care of neonates. It is the feeling of the authors that widening the indications of endoscopy in the neonatal period might lead to diagnosis of discrete clinical abnormalities, which might improve the care of neonates. The techniques for performing neonatal endoscopies, the appropriate indications, the common normal and pathologic findings and the complications of these procedures are reviewed.
The enteric nervous system (ENS) as the "brain of the gut" is pivotal for normal muscle activity in the gut. Neuronal circuits within the ENS are designed to control gut motility independent of central inputs. To fulfill this task the ENS contains all necessary elements for coding mechanical and chemical stimuli, interneuronal communication and efferent output to the muscle. This review provides a summary of the ENS circuits that control muscle activity, the main transmitters and neuromodulators involved and the functional implications for the normal and diseased gut.