2003
DOI: 10.1590/s0102-86502003000700004
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A nicotina atua como fator deletério na reparação da parede abdominal

Abstract: OBJETIVO: Avaliar o efeito da nicotina na cicatrização da camada musculoaponeurótica da parede abdominal. MÉTODOS: Estudo experimental em que foram usados 16 ratos da raça Wistar pesando em média 210± 8g, separados aleatoriamente em 2 grupos de 8. Nos animais do grupo A foi implantado disco de nicotina (Nicotinel Ò) na dose de 5mg/Kg de peso/dia no subcutâneo da região dorsal, trocado a cada dois dias, a partir do 5º dia antes da operação em que foi feita laparotomia mediana de 5 cm, até o 10º dia de observaçã… Show more

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Cited by 10 publications
(10 citation statements)
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“…In the evaluation of the nicotine group, in spite of having occurred a rise in the tensile strength from the day 4 to the 7, this rise was not signifi cant statistically speaking. When Medeiros et al 8 evaluated the action of nicotine in the repairing of the abdominal wall of rats, they showed that nicotine decreases the strength of tension of the abdominal wall in relation to the control group, which has not been demonstrated in this study. According to Edlich et al the bladder has great potential for repair, reaching 100% of its strength between 14 and 21 days, so the strength of bladder wound recovers quickly, unlike what happens to other organs 13 .…”
Section: Discussioncontrasting
confidence: 79%
See 1 more Smart Citation
“…In the evaluation of the nicotine group, in spite of having occurred a rise in the tensile strength from the day 4 to the 7, this rise was not signifi cant statistically speaking. When Medeiros et al 8 evaluated the action of nicotine in the repairing of the abdominal wall of rats, they showed that nicotine decreases the strength of tension of the abdominal wall in relation to the control group, which has not been demonstrated in this study. According to Edlich et al the bladder has great potential for repair, reaching 100% of its strength between 14 and 21 days, so the strength of bladder wound recovers quickly, unlike what happens to other organs 13 .…”
Section: Discussioncontrasting
confidence: 79%
“…Among the various factors that may affect the healing of wounds, nicotine appears as one of the factors that may interfere negatively in the healing process, due to its effect of vasoconstriction 5 . Although the effect of nicotine has been the object of scientifi c studies in relation to healing in various specialties such as dermatology, odontology and general surgery, studies related to the urinary tract have not been made yet [6][7][8] . The objective of the present study is to evaluate the infl uence of nicotine in the healing process of vesical sutures in rabbits that have undergone cystotomy, by means of analyzing the histological alterations and the strength of tissue tension.…”
Section: Introductionmentioning
confidence: 99%
“…This process may suffer negative actions from exogen substances. For example, tobacco smoking is known as a harmful factor for scars cicatrization 1,2 .…”
Section: Introductionmentioning
confidence: 99%
“…Avaliou-se a tensiometria em estudo sobre o efeito da nicotina na cicatrização da parede abdominal em ratos adultos, concluiu que no 14º dia há diminuição da força máxima. Medeiros et al 14 também concluíram em sua pesquisa que a nicotina exerce efeito deletério sobre a parede abdominal. Há diminuição da resistência à tensão no 10º dia, assim como decréscimo da pO2 do líquido tecidual próximo à área da ferida.…”
Section: Discussionunclassified