Journal Basic Info

  • Impact Factor: 1.995**
  • H-Index: 8
  • ISSN: 2474-1647
  • DOI: 10.25107/2474-1647
**Impact Factor calculated based on Google Scholar Citations. Please contact us for any more details.

Major Scope

  •  Emergency Surgery
  •  Ophthalmic Surgery
  •  Thoracic Surgery
  •  Obstetrics Surgery
  •  Minimally Invasive Surgery
  •  Gastroenterological Surgery
  •  Pediatric Surgery
  •  Transplant Surgery

Abstract

Citation: Clin Surg. 2021;6(1):3225.Research Article | Open Access

A Model of Cecal Ligation and Puncture Mimicking Perforated Diverticulitis with Purulent Peritonitis

David Wallin, David Bock, Eva Angenete, Lena Öhman, Magnusson MM and Eva Haglind

Department of Surgery, Institute of Clinical Sciences, Sweden
Department of Surgery, Sahlgrenska University Hospital, Sweden
Department of Microbiology and Immunology, Institute of Biomedicine, Sahlgrenska Academy at University of Gothenburg, Sweden

*Correspondance to: Eva Haglind 

 PDF  Full Text DOI: 10.25107/2474-1647.3225

Abstract

Background: Perforated diverticulitis with purulent peritonitis is an uncommon but serious clinical condition requiring emergency surgery. During the last decade laparoscopic lavage has evolved as a new treatment which seems clinically safe. However the mechanisms through which lavage works are unknown and thus improvements of the modality is difficult. An experimental model is needed for clarifying mechanisms and for optimizing the outcome of the lavage treatment. Materials: Sprague-Dawley rats, both sexes, were used. After anesthesia Cecal Ligation and Puncture (CLP) was used and puncture size and time was varied. Samples from abdominal fluid and cecal wall were taken at the end of experiments. Determinations of proteins in abdominal fluid were performed using proximity extension immunoassay and the mouse exploratory panel. Expression of RNA in cecal wall was determined using a PCR Array for Rat Inflammatory Response & Autoimmunity. Results: Puncture through the cecum by 1.2 needle and leaving the animal for 8 h produced macroscopic signs of peritonitis in 8/8 animals. The pattern of inflammatory proteins in abdominal fluid showed a clear separation between CLP and control animals with high values for proteins such as IL1β, IL1α, Cxcl1, TNFα and IL-17A in CLP animals but not in controls. RNA expression in cecal wall tended to cluster separately in CLP and control animals. Conclusion: Cecal ligation and puncture mimicked the clinical condition of perforated diverticulitis with purulent peritonitis. This model can be used to clarify effect or mechanisms triggered by laparoscopic lavage.

Keywords

Rats; Cecal ligation and puncture; Peritonitis; Abdominal fluid; Protein analyses; RNA expression

Cite the article

Wallin D, Bock D, Angenete E, Öhman L, Magnusson MM, Haglind E. A Model of Cecal Ligation and Puncture Mimicking Perforated Diverticulitis with Purulent Peritonitis. Clin Surg. 2021; 6: 3225..

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