Comparative study of tissue reactivity to n-butyl-2-cyanoacrylate and nylon monofilament thread on pericranium-cutaneous flaps in rats
Acta cir. bras
; 29(4): 261-267, abr. 2014. tab, graf
Article
в En
| LILACS
| ID: lil-706962
Ответственная библиотека:
BR1.1
ABSTRACT
To study the repair of pericranium-cutaneous flaps fixed with suture anchored in a skull bone tunnel or N-butyl-2-cyanoacrylate adhesive in Wistar rats with emphasis on the cellular inflammatory response and the production of types I and III collagen. The operated region in the cephalic region of Wistar rats was removed minutes before euthanasia, fixed in formalin, and subjected to histological preparation. Slides were stained with hematoxylin-eosin and Picrosirius. Standardized counts of polymorphonuclear and mononuclear cells, fibroblasts, and macrophages were performed, and the percentages of types I and III collagen were determined. Data collection occurred on days 3, 7, 14, 21, and 45 postoperatively. A value of p<0.05 was considered statistically significant. Quantitative analysis of the data showed more fibroblasts in the surgical adhesive group than in the nylon monofilament thread groups (p=0.0211). Qualitative analysis showed higher reactivity in the adhesive group, with a predominance of polymorphonuclear cells from days 3-45 and macrophages from days 3-7. The amount of type I collagen exceeded 80% in the treated and control groups at the end of the experiment. CONCLUSIONS:
Subperiosteal detachment triggers a cellular inflammatory response that is amplified using soft tissue fixation methods. The adhesive n-butyl-2-cyanoacrylate was more reactive than the nylon monofilament thread anchored in the skull bone tunnel.Key words
Полный текст:
1
База данных:
LILACS
Основная тема:
Tissue Adhesions
/
Sinus Pericranii
Тип исследования:
Qualitative_research
Пределы темы:
Animals
Язык:
En
Журнал:
Acta cir. bras
Тематика журнала:
CIRURGIA GERAL
/
Procedimentos Cir£rgicos Operat¢rios
Год:
2014
Тип:
Article