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Food deprivation in...
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Bark, TorKarolinska Institutet
(författare)
Food deprivation increases bacterial translocation after non-lethal haemorrhage in rats
- Artikel/kapitelEngelska1995
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Taylor & Francis Scandinavia,1995
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LIBRIS-ID:oai:DiVA.org:oru-63856
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https://urn.kb.se/resolve?urn=urn:nbn:se:oru:diva-63856URI
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http://kipublications.ki.se/Default.aspx?queryparsed=id:1956024URI
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Språk:engelska
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Sammanfattning på:engelska
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OBJECTIVE:To investigate whether brief fasting before the induction of hypotension by non-lethal haemorrhage may induce translocation of enteric bacteria to mesenteric lymph nodes or blood in rats.DESIGN:Laboratory experiment.SETTING:University departments of surgery and microbiology, Sweden.MATERIAL:39 Male Sprague-Dawley rats.INTERVENTIONS:20 animals were fasted for 24 hours, all 39 then underwent controlled haemorrhage for 60 minutes that reduced the blood pressure to 55 mm Hg.MAIN OUTCOME MEASURES:Differences in blood loss, blood glucose concentrations, and packed cell volume; and aerobic cultures of mesenteric lymph nodes and blood.RESULTS:Fasted rats (n = 20) lost 2.3% of blood volume compared with 2.8% in fed rats(p < 0.001). Packed cell volume dropped by 11.3% in fasted rats and 16.5% in fed rats (p < 0.001). Glucose concentrations rose by 7.0 mmol/l in fasted rats compared with 21.0 mmol/l in fed rats (p < 0.001). Mesenteric lymph nodes contained enteric bacteria in 14/20 fasted rats compared with 6/19 fed rats (p < 0.05). In 4 fasted rats blood cultures grew pathogenic bacteria compared with no fed rats (p = 0.11). The number of bacteria found in mesenteric lymph nodes was significantly greater in fasted than in fed rats (p = 0.01).CONCLUSIONS:Brief fasting before hypotension caused by non-lethal haemorrhage was associated with significantly increased bacterial translocation compared with fed animals. Increases in blood glucose concentrations and plasma refill may have had a protective effect in fed rats. These experiments may be of clinical relevance as elective operations are usually preceded by overnight fasting.
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Katouli, MohammadDepartment of Surgery, Karolinska Hospital, Stockholm, Sweden
(författare)
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Svenberg, Torgny E.Department of Surgery, Karolinska Hospital, Stockholm, Sweden
(författare)
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Ljungqvist, Olle,1954-Karolinska Institutet,Örebro universitet,Institutionen för medicinska vetenskaper,Department of Surgery, Karolinska Hospital, Stockholm, Sweden(Swepub:oru)olt
(författare)
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Karolinska InstitutetDepartment of Surgery, Karolinska Hospital, Stockholm, Sweden
(creator_code:org_t)
Sammanhörande titlar
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Ingår i:European Journal of Surgery: Taylor & Francis Scandinavia161:2, s. 67-711102-41511741-9271
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