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Experimental models of high-risk bowel anastomosis in rats:A systematic review

World Journal of Experimental Medicine 2024年第2期14卷 114-131页

作者： georgios Ntampakis manousos-georgios pramateftakis Elissavet Anestiadou Stefanos Bitsianis Orestis Ioannidis Chryssa Bekiari George Koliakos Maria Karakota Anastasia Tsakona Angeliki Cheva Stamatios Angelopoulos Fourth Department of Surgery Medical SchoolAristotle University of ThessalonikiThessaloniki 57010Greece Laboratory of Anatomy and Histology School of Veterinary MedicineFaculty of Health SciencesAristotle University of ThessalonikiThessaloniki 54124Greece Experimental and Research Center Papageorgiou General Hospital of ThessalonikiThessaloniki 56403Greece Laboratory of Biochemistry Faculty of MedicineAristotle University of ThessalonikiThessaloniki 54124Greece Department of Pathology Faculty of MedicineAristotle University of ThessalonikiThessaloniki 54124Greece

BACKGROUND Anastomotic leaks remain one of the most dreaded complications in gastrointestinal surgery causing significant morbidity,that negatively affect the patients’quality of *** studies play an important role in understanding the pathophysiological background of anastomotic healing and there are still many fields that require further *** drawn from these studies can lead to interventions or techniques that can reduce the risk of anastomotic leak in patients with high-risk *** the advances in experimental protocols and techniques,designing a high-quality study is still challenging for the investigators as there is a plethora of different models *** To review current state of the art for experimental protocols in high-risk anastomosis in *** This systematic review was performed according to The Preferred Reporting Items for Systematic Reviews and Meta-Analyses *** identify eligible studies,a comprehensive literature search was performed in the electronic databases PubMed(MEDLINE)and Scopus,covering the period from conception until 18 October *** From our search strategy 102 studies were included and were categorized based on the mechanism used to create a high-risk *** of assessing anastomotic healing were extracted and were individually *** Anastomotic healing studies have evolved over the last decades,but the findings are yet to be translated into human *** is a need for high-quality,well-designed studies that will help to the better understanding of the pathophysiology of anastomotic healing and the effects of various interventions.

关键词： High-risk anastomosis Rats Experimental models Bowel Colon Anastomotic leak Colon resection Inflammatory bowel disease Intra-abdominal sepsis Bursting pressure

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Effect of growth hormone on colonic anastomosis after intraperitoneal administration of 5-fluorouracil, bleomycin and cisplatin: An experimental study

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World Journal of Gastrointestinal Surgery 2024年第8期16卷 2679-2688页

作者： Ioannis Lambrou Ioannis Mantzoros Orestis Ioannidis Dimitrios Tatsis Elissavet Anestiadou Vasiliki Bisbinas manousos-georgios pramateftakis Efstathios Kotidis Barbara Driagka Ourania Kerasidou Savvas Symeonidis Stefanos Bitsianis Freideriki Sifaki Konstantinos Angelopoulos Haralabos Demetriades Stamatios Angelopoulos Fourth Department of Surgery Medical SchoolAristotle University of ThessalonikiThessaloniki 57010Greece Department of ENT Royal Cornwall Hospitals NHS TrustCornwall TR13LJUnited Kingdom

BACKGROUND Growth hormone(GH)plays a crucial role in wound healing and tissue repair in postoperative *** particular,colonic anastomosis healing following colorectal surgery is impaired by numerous chemotherapy *** To investigate whether GH can improve the healing of a colonic anastomosis following the adverse effects of intraperitoneal administration of 5-fluorouracil(5-FU),bleomycin and *** Eighty Wistar rats underwent laparotomy and a 1 cm-resection of the transverse colon,followed by an end-to-end anastomosis under general *** rats were blindly allocated into four equal groups and administered a different daily intraperitoneal therapeutic regimen for 6 *** control group(A)received normal *** B received chemotherapy with 5-FU(20 mg/kg),bleomycin(4 mg/kg)and cisplatin(0.7 mg/kg).Group C received GH(2 mg/kg),and group D received the aforementioned combination chemotherapy and GH,as *** rats were sacrificed on the 7th postoperative day and the anastomoses were macroscopically and microscop-ically *** weight,bursting pressure,hydroxyproline levels and inflammation markers were *** All rats survived until the day of sacrifice,with no infections or other complications.A decrease in the body weight of group D rats was observed,not statistically significant compared to group A(P=1),but significantly different to groups C(P=0.001)and B(P<0.01).Anastomotic dehiscence rate was not statistically different between the *** pressure was not significantly different between groups A and D(P=1.0),whereas group B had a significantly lower bursting pressure compared to group D(P<0.001).All groups had significantly more adhesions than group ***,as a measurement of collagen deposition,was significantly higher in group D compared to group B(P<0.05),and higher,but not statistically significant,compared to group *** changes in group D were recorded,compared to group A

关键词： Growth hormone Colonic anastomosis Adhesion Bursting pressure Collagen Hydroxyproline Inflammation Neoangiogenesis Chemotherapy

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Surgical treatment of hepatic metastases from colorectal cancer

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World Journal of Gastrointestinal Oncology 2011年第1期3卷 1-9页

作者： georgios Tsoulfas manousos georgios pramateftakis Ioannis Kanellos Department of Surgery Aristoteleion University of ThessalonikiThessaloniki 54622Greece

Colorectal carcinoma is one of the most frequent cancers in Western societies with an incidence of around 700 per million *** half of the patients develop metastases from the primary tumor and liver is the primary metastatic *** survival rates after hepatectomy for metastatic colorectal cancer have been reported in the last few years and these may be the result of a variety of factors,such as advances in systemic chemotherapy,radiographic imaging techniques that permit more accurate determination of the extent and location of the metastatic burden,local ablation methods,and in surgical techniques of hepatic *** have led to a more aggressive approach towards liver metastatic disease,resulting in longer *** goal of this paper is to review the role of various forms of surgery in the treatment of hepatic metastases from colorectal cancer.

关键词： Hepatic metastases Colorectal cancer Liver resection

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A simple alternative technique for harvesting split thickness skin grafts

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World Journal of Surgical Procedures 2013年第2期3卷 4-7页

作者： Leonidas Pavlidis manousos-georgios pramateftakis Nikolaos Costogloudis Georgia-Alexandra Spyropoulou Efterpi Demiri Plastic Surgery Department Aristotle University of Thessaloniki Papageorgiou Hospital 54124 Thessaloniki Greece Department of Surgery European Interbalkan Medical Center 54124 Thessaloniki Greece

AIM: To assess the use of a simple split skin graft harvesting technique, requiring only a scalpel and a ***: During the last 8 mo, we operated on a consecutive series of 52 patients(30 males, 22 females) with a mean age of 60 years(33-80). We used the technique we present in order to cover small skin defects. All procedures were performed under local anesthesia. Thirty-seven patients underwent bedside surgery, 8 patients were operated on in the outpatient department and the remaining 7 had their graft harvested in the operating room. After antiseptic preparation of the donor site, the margins of the graft were drawn by the use of a surgical marker. A No 15 scalpel was used for the graft elevation, under constant traction with a moist ***: All procedures were completed successfully without immediate complications. The patients tolerated the procedure well. The mean operative time was 15 min. Twenty-four donor sites were left to heal by secondary intention, whereas 28 were sutured with interrupted 3/0 silk sutures in order to heal by primary intention. All 24 sites that were left to heal by secondary intention healed completely in approximately 14 d. For the sites that were sutured, the sutures were removed on the 10 th postoperative day. Out of the 52 operated cases, 6 patients(11%) developed complications. In 4 patients, the split thickness skin grafts were partially lost, whereas in 2 patients the grafts were completely lost. Wound dehiscence was observed in 2 patients, which were treated with local antiseptic and antibiotic ***: The skin graft technique described is simple, costless and effective and can be performed even on an outpatient basis, without the need for special equipment.

关键词： Skin graft Skin defect Split thickness Skin reconstruction Dermatome Tissue harvesting

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