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Biomedical subjects

J Vandepitte

Publications and source records attributed to J Vandepitte.

At least 109 records · Page 6Linked to original sources

The effect of the combined use of a clean air system and one day prophylactic administration of cefamandole in total hip replacement.

238 patients undergoing primary total hip replacement had on a routine basis both "clean air system" prophylactic conditions and a one day lasting prophylactic Cefamandole treatment on the day of surgery. All patients had a follow-up during at least one year; the follow-up in some patients was up to 25 months. Deep infections were not seen in any of the patients and E.S.R. returned to normal values one year after the intervention in all patients. Superficial wound infections were seen in 2% of the patients. One fifth of the patients had significant bacteriuria on the day of the intervention. This did not seem to have any implication. In our series both laminar air flow and prophylactic administration of Cefamandole on the day of intervention give an adequate prophylactic coverage to prevent the dangerous deep infection as a complication in total hip surgery.

Aged↗

Yersinia enterocolitica: its isolation by cold enrichment from patients and healthy subjects.

Routine culture and cold enrichment were compared in a prospective study on the isolation of Yersinia enterocolitica from patients with intestinal disease. Healthy controls were examined with the cold enrichment method only. Y enterocolitica was isolated from 5.9% of 1635 patient stools, 3.4% of 206 appendices, and 4.0% of 555 control stools. Serotypes 0:3 and 0:9 were eight times more prevalent in patients than in controls. Other serotypes were twice as prevalent in controls than in patients. Cold enrichment did not significantly increase the recovery of serotypes 0:3 and 0:9 in acute enteritis, but it was responsible for all isolates of the other serotypes. Evidence is presented that the other serotypes are not pathogenic. In patient stools, Y enterocolitica was demonstrated less frequently than Salmonella (9.1%), and more often than Campylobacter jejuni (1.8%) and Shigella (0.1%).

Adolescent↗

Effect of spiramycin on the nasopharyngeal carriage of Neisseria meningitidis.

Nine doses of oral spiramycin were administered to 59 adult healthy nasopharyngeal carriers of meningococci: a 2-gram loading dose followed by 1 g every 12 h for 4 days. There was a reduction in carriage of 85 and 59%, respectively, on the 2nd and 12th post-treatment day. There was no difference in vitro sensitivity to spiramycin and erythromycin of the meningococci isolated before and after treatment. Spiramycin may be advocated as an effective and safe alternative drug for the chemoprophylaxis of secondary meningococcal disease when sulphonamide resistance is suspected.

Carrier State↗

Frequent isolation of Edwardsiella tarda and Pleisiomonas shigelloides from healthy Zairese freshwater fish: a possible source of sporadic diarrhea in the tropics.

The intestinal contents of 59 Zairese freshwater fish were examined for the presence of potential human enteric pathogens. Edwardsiella tarda and Plesiomonas shigelloides were isolated from 57 and 59% of them, respectively. For both microorganisms there was a significant difference between the isolation rates from lake and river fish: whereas E. tarda was much more frequently isolated from lake fish than was P. shigelloides, the reverse was observed for river fish. The authors hypothesize that sporadic cases of tropical diarrhea with E. tarda or P. shigelloides can be traced to contact with or consumption of freshwater fish.

Animals↗

Nonvalue of cold enrichment of stools for isolation of Yersinia enterocolitica serotypes 3 and 9 from patients.

During an 8-year period 14,092 fecal specimens and 1,428 excised appendixes were examined for the presence of Yersinia enterocolitica, with different combinations of direct plating media and enrichment techniques. The combination of direct plating on SS agar and 2 days of enrichment in a modified Rappaport broth at room temperature resulted in the isolation of 100% of serotype 3 and 9 strains. Such strains were recovered from 3.7% of our fecal specimens. Cold enrichment in phosphate buffer further increased the isolation rate, but the additional isolates all belonged to biotype 1. Evidence is presented that biotype 1 strains, at least in Belgium, are not pathogenic for humans. There was a significant affinity of serotype 9 strains for patients suffering from an "appendicular syndrome."

Appendix↗

Human gastrointestinal infections by Yersinia enterocolitica.

In an average-sized peripheral hospital in Belgium, Y. enterocolitica has been isolated from 1.1% of stool cultures, using an unmodified routine technique. In a group of unselected patients undergoing appendicectomy, 1.3% of patients had a positive culture, either from the mesenteric lymph nodes or the appendix, or from both sources. In the same group of patients, 1.7% of cultures grew a Salmonella. In more than half of the patients, the diagnosis of mesenteric adenitis was made during the surgical intervention. The clinical picture of Yersinia infection was greatly influenced by the age of the patients. Bacteriological (serotypes, antibiotic sensitivity, associated enteric pathogens), epidemiological (sex distribution, seasonal influence and secondary infection among family contacts) and clinical data confirm previous experience with human yersiniosis in this country.

Adolescent↗

Epidemiological and clinical aspects of human Yersinia enterocolitica infections in Belgium.

In the period from 1963 to 1975 data were collected on 1,781 isolates of Y. enterocolitica from human infections in Belgium. There was an uneven spread of the cases over the country, but this could simply reflect the distribution and activity of medical laboratories. Serotype 3 dominated (89.2%) followed by serotype 9 (8.6%). Less than 1% of all isolates were from nonenteral sources. Gastroenteritis was the diagnosis in 86.8% of patients, while 10.6% were suffering from an appendicitis-like syndrome. Gastroenteritis had its peak incidence in the under 5 year group, whereas the pseudo-appendicular syndrome was more frequent in the 10--19 years age group. There was a distinct seasonal peak in late autumn. The significant association with Salmonella isolation from the stool of the same patient has been confirmed.

Adolescent↗