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1.
J Surg Case Rep ; 2022(1): rjab558, 2022 Jan.
Article in English | MEDLINE | ID: mdl-35079332

ABSTRACT

Dwarfism associated with splenomegaly during teenage years is known. The purpose of this report was to present the first case of dwarfism associated with wandering splenomegaly. A 14-year-old boy presented a wandering splenomegaly and torsion of the splenic pedicle associated with a retarded growth and sexual underdevelopment characterized by lack of sexual maturity and absence of secondary sexual physical appearance. The patient was submitted to detorsion of the spleen, and splenopexy. After the surgery, the patient grew up, and his sexual characteristics developed to normal. The size of the spleen reduced from the 22 × 16 × 13 cm to 14 × 12 × 10 cm after the surgical procedure. This is the first report of dwarfism associated with wandering splenomegaly, which was successfully treated without partial or total splenectomy. After releasing the venous blood flow, the spleen reduced its dimension and the patient grew up to the expected family size.

2.
Sci Rep ; 11(1): 21770, 2021 11 05.
Article in English | MEDLINE | ID: mdl-34741128

ABSTRACT

The removal of the spleen due to disease or trauma may be followed by disorders due to the asplenism, including immunodeficiency, hematological and metabolic diseases, mainly dyslipidemia, which can lead to sepsis, pulmonary embolism and early death. Although patients frequently report sexual disinterest after splenectomy, this feature has been experimentally studied only in a translational investigation performed by the same group of this work. To study libido and other sexual functions after the complete removal of the spleen in humans. This study was performed on 60 healthy adults, 30 men and 30 women, after more than 1 year of total splenectomy to treat isolated splenic trauma. The International Index of Erectile Function was applied to men and the Female Sexual Function Index to women. The analysis compared the responses obtained in the periods before and after the splenectomy. Laboratory tests with hematological and biochemical analyses, including sex hormones, were performed in all patients. The pre- and postoperative results were compared in each group using the paired t-test, with each patient being his or her own control and with significance to p < 0.05. A decrease in libido and an increase in sexual dysfunction was observed after splenectomy in all men and women, p < 0.001. All postoperative laboratory tests showed normal values in both genders. Asplenia is associated with a marked decrease in libido and intense sexual dysfunction in both men and women, with normal hematological and biochemical laboratory tests, including hormonal exams.


Subject(s)
Postoperative Complications/etiology , Sexual Dysfunction, Physiological/etiology , Sexual Dysfunctions, Psychological/etiology , Splenectomy/adverse effects , Adult , Female , Follow-Up Studies , Humans , Male , Middle Aged , Young Adult
3.
Int J Surg Case Rep ; 85: 106273, 2021 Aug.
Article in English | MEDLINE | ID: mdl-34388905

ABSTRACT

INTRODUCTION AND IMPORTANCE: A wandering spleen is characterized by excessive splenic mobility due to the laxity of its ligaments, which leads to spleen migration and its long mobile vascular pedicle is liable to torsion. The purpose of this paper was to present a wandering splenomegaly reduction after splenic detorsion and splenopexy. CASE PRESENTATION: A 14-year-old boy presented a symptomatic visible pelvic wandering splenomegaly with torsion of the splenic pedicle. He was submitted to laparotomy, detorsion of the spleen, and splenopexy to the left diaphragm and surrounded peritoneum. The patient had an uneventful follow-up and was discharged from the hospital on the second postoperative day. All laboratory exams went to normal. The size of the spleen reduced from the 22 × 16 × 13 cm before the treatment to 14 × 12 × 10 cm after the surgical procedure. CLINICAL DISCUSSION: The most relevant aspect of this communication is the reduction of the huge splenomegaly to a normal size spleen after detorsion of the splenic vessels and splenopexy to the left diaphragm. Reduction of the splenic size is well-known after distal splenorenal shunt, but this is the first publication of a spontaneous splenic size reduction after treating a congestive wandering splenomegaly by detorsion of the spleen pedicle. CONCLUSION: Ectopic congestive splenomegaly due to the splenic pedicle rotation is adequately treated by splenic detorsion and splenopexy in its proper subdiaphragmatic site, which reduces the splenic size to normal.

4.
Acta Cir Bras ; 36(2): e360201, 2021.
Article in English | MEDLINE | ID: mdl-33624718

ABSTRACT

PURPOSE: The spleen is relevant in blood purification, hematopoiesis, metabolism, and immune response to antigens, in addition to the storage and control on the release of metals and amino acids. Its functions concerning reproduction characteristics are still unknown. The objective was to study the influence of splenectomies on reproduction. METHODS: This study analyzed 25 mice couples, distributed into five groups: group 1 - control, no surgery: group 2 - control, submitted to laparotomy and laparorrhaphy only; group 3 - splenectomy in male mice; group 4 - splenectomy in female mice; group 5 - splenectomy in male and female mice. The animals were studied as regards the number of gestations and offspring generated in each gestation. RESULTS: A decrease in both the number of gestations and the number of offspring was verified in the male mice that had received a splenectomy when coupled with normal female mice. It is important to emphasize lower reproduction level when paired asplenic males with normal females, otherwise, the couples in which both mice had been splenectomized did not present change in the reproduction pattern. CONCLUSIONS: A reduction in the number of pregnancies and litters occurs in mice couples when the male mice were previously splenectomized.


Subject(s)
Plastic Surgery Procedures , Splenectomy , Animals , Female , Male , Mice , Pregnancy , Spleen
5.
Chirurgia (Bucur) ; 115(3): 380-384, 2020.
Article in English | MEDLINE | ID: mdl-32614294

ABSTRACT

Background: When the entire hepatic pedicle is invaded by a tumour, the treatment of cholestasis represents a challenge both for choosing the best drainage possibility and for performing the liver haemostasis during a surgical procedure. Case Report: A patient with progressive jaundice resulting from a remaining gastric tumour that invaded the gallbladder and the hepatic pedicle was successfully treated with biliary decompression using the omega hepaticojejunal shunt. The minor parenchymal bleeding was achieved with the electrocautery greased with lidocaine gel. When burned by the electrocautery, the lidocaine gel made a sealing crust that recovered all the liver parenchyma. Efficacious and stable haemostasis was immediately achieved. The patient had an uneventful early postoperative follow-up, and all cholestasis manifestations, including jaundice and pruritus, decreased since the first day. The patient survived nine months with asymptomatic low jaundice. Conclusion: In the presence of general involvement of the bile ducts, the omega hepaticojejunal shunt reduces the manifestations of cholestasis and improves the patient's quality of life. The electrocautery greased with lidocaine gel is inexpensive, easily available and efficacious method to achieve immediate hepatic haemostasis.


Subject(s)
Cholestasis , Gallbladder , Hemostasis , Drainage , Electrocoagulation , Hepatectomy , Humans , Jejunostomy , Lidocaine , Liver , Quality of Life , Treatment Outcome
6.
Int J Surg Case Rep ; 49: 34-36, 2018.
Article in English | MEDLINE | ID: mdl-29966947

ABSTRACT

BACKGROUND: Synchronous multiple primary malignancies of the esophagus and other organs are relatively unusual, but only five articles have published two synchronous cancers, both in the esophagus. This is the first published case of a triple esophageal carcinoma. CASE REPORT: A 43-year-old man was referred to our hospital with severe progressive dysphagia and epigastric pain for almost one year. Endoscopy and imaging exams revealed three tumors located in upper, middle and lower esophagus. The upper and middle esophageal cancers were irresectable, and the patient was treated with radio- and chemotherapy. He survived 11 months after the diagnosis and died due to severe undernutrition and bilateral pneumonia. CONCLUSION: In presence of squamous cell carcinoma of the esophagus, propedeutics should be carefully performed in order to verify the occurrence of other synchronous tumors in the esophagus and other organs, mainly head and neck and bronchial regions.

7.
Am J Trop Med Hyg ; 94(1): 156-7, 2016 Jan.
Article in English | MEDLINE | ID: mdl-26598562

ABSTRACT

Ectopic schistosomiasis is uncommon and tends to occur when the parasite's eggs or adult forms are located far from their normal site. This report presents the first described case of ectopic Schistosoma mansoni eggs inside a subcutaneous lipoma far from the tissues of this worm's life cycle and with no connection to either portal veins or any other vascular system. These eggs were found inside giant cells surrounded by inflammatory cells. In conclusion, in humans, ectopic S. mansoni eggs can be found far from the tissues of the described life cycle of this worm, with no connection to portal veins or other blood vessels used for their migration.


Subject(s)
Lipoma/pathology , Ovum/classification , Schistosoma mansoni/classification , Schistosomiasis mansoni/pathology , Adult , Animals , Humans , Lipoma/parasitology , Lipoma/surgery , Male , Oxamniquine/therapeutic use , Schistosomiasis mansoni/drug therapy , Schistosomiasis mansoni/parasitology , Schistosomicides/therapeutic use
8.
Rev Col Bras Cir ; 41(3): 176-80, 2014.
Article in English, Portuguese | MEDLINE | ID: mdl-25140648

ABSTRACT

OBJECTIVE: To assess hematological and biochemical features of splenic effluent blood and their influence on the rise of hematological values after splenectomy. METHODS: we studied 20 patients undergoing surgical treatment for schistosomatic portal hypertension. We collected blood samples for CBC, coagulation, bilirubin and albumin in the splenic vein (perioperative) and peripheral blood (immediately pre and postoperative periods). RESULTS: the splenic blood showed higher values of red blood cells, hemoglobin, hematocrit, platelet count, total leukocytes, neutrophils, lymphocytes, monocytes, eosinophils and basophils, as well as reduction of laboratory coagulation parameters in relation to peripheral blood collected preoperatively. In the postoperative peripheral blood there was an increase in the overall leukocytes and in their neutrophil component, and decreased levels of basophils, eosinophils and lymphocytes. The other postoperative variables of complete blood count and coagulation tests were not different compared with the splenic blood. The albumin values were lower postoperatively when compared to preoperative and splenic blood. There were higher values of direct bilirubin in the postoperative period when compared with the preoperative and splenic blood. Postoperative indirect bilirubin was lower compared to its value in the splenic blood. CONCLUSION: hematological and biochemical values of splenic effluent blood are higher than those found in peripheral blood in the presence of schistosomal splenomegaly. However, the splenic blood effluent is not sufficient to raise the blood levels found after splenectomy.


Subject(s)
Schistosomiasis/blood , Schistosomiasis/surgery , Spleen/blood supply , Splenectomy , Splenic Diseases/blood , Splenic Diseases/surgery , Adolescent , Adult , Aged , Cross-Sectional Studies , Female , Humans , Male , Middle Aged , Splenic Diseases/parasitology , Young Adult
9.
Rev. Col. Bras. Cir ; 41(3): 176-180, May-Jun/2014. tab, graf
Article in English | LILACS | ID: lil-719490

ABSTRACT

OBJECTIVE: To assess hematological and biochemical features of splenic effluent blood and their influence on the rise of hematological values after splenectomy. METHODS: we studied 20 patients undergoing surgical treatment for schistosomatic portal hypertension. We collected blood samples for CBC, coagulation, bilirubin and albumin in the splenic vein (perioperative) and peripheral blood (immediately pre and postoperative periods). RESULTS: the splenic blood showed higher values of red blood cells, hemoglobin, hematocrit, platelet count, total leukocytes, neutrophils, lymphocytes, monocytes, eosinophils and basophils, as well as reduction of laboratory coagulation parameters in relation to peripheral blood collected preoperatively. In the postoperative peripheral blood there was an increase in the overall leukocytes and in their neutrophil component, and decreased levels of basophils, eosinophils and lymphocytes. The other postoperative variables of complete blood count and coagulation tests were not different compared with the splenic blood. The albumin values were lower postoperatively when compared to preoperative and splenic blood. There were higher values of direct bilirubin in the postoperative period when compared with the preoperative and splenic blood. Postoperative indirect bilirubin was lower compared to its value in the splenic blood. CONCLUSION: hematological and biochemical values of splenic effluent blood are higher than those found in peripheral blood in the presence of schistosomal splenomegaly. However, the splenic blood effluent is not sufficient to raise the blood levels found after splenectomy. .


OBJETIVO: verificar valores hematológicos e bioquímicos do sangue efluído do baço e avaliar a sua influência na elevação dos valores hematológicos após esplenectomia. MÉTODOS: foram estudados 20 pacientes submetidos ao tratamento cirúrgico para hipertensão porta esquistossomática. Foram coletadas amostras sanguíneas para hemograma, coagulograma, bilirrubinas e albumina na veia esplênica (peroperatório) e no sangue periférico (pré e pós-operatórios imediatos). RESULTADOS: o sangue esplênico apresentou valores maiores de: hemácias, hemoglobina, hematócrito, contagem de plaquetas, global de leucócitos, neutrófilos, linfócitos, monócitos, eosinófilos e basófilos, bem como redução dos parâmetros laboratoriais da coagulação em relação ao sangue periférico colhido no pré-operatório. No sangue periférico pós-operatório, houve aumento do global de leucócitos e de seu componente neutrofílico, além de redução dos valores de basófilos, eosinófilos e linfócitos. As demais variáveis do hemograma e do coagulograma pós-operatórios não foram diferentes na comparação com o sangue esplênico. Os valores da albumina foram menores no pós-operatório em relação ao pré-operatório e sangue esplênico. Houve valores maiores para a bilirrubina direta pós-operatória em relação à pré-operatória e à do sangue esplênico. A bilirrubina indireta pós-operatória foi menor em relação ao seu valor no sangue esplênico. . CONCLUSÃO: os valores hematológicos e bioquímicos do sangue efluído do baço são superiores aos encontrados no sangue periférico ...


Subject(s)
Adolescent , Adult , Aged , Female , Humans , Male , Middle Aged , Young Adult , Splenectomy , Schistosomiasis/blood , Schistosomiasis/surgery , Spleen/blood supply , Splenic Diseases/blood , Splenic Diseases/surgery , Cross-Sectional Studies , Splenic Diseases/parasitology
12.
Arq Gastroenterol ; 47(2): 193-6, 2010.
Article in Portuguese | MEDLINE | ID: mdl-20721467

ABSTRACT

CONTEXT: Alcoholists present an increase of iron hepatic concentration, although the responsible mechanisms for this deposition are still unknown. Despite the extensive literature related on the iron absorption in different pathological conditions, the effect of chronic ethanol consumption are still not conclusive and not completely understood. OBJECTIVE: To verify the effect of chronic ethanol ingestion on duodenal absorption of iron. METHODS: Ten male Swiss mice were divided into two groups: group 1 (n = 5) - control, and group 2 (n = 5) - water consumption with ethanol, as only water source. The animals were followed during 120 days. After this period, the duodenum was isolated and saline solution containing ascorbate of iron II in the 0,016 concentration of mg of iron element was infused. The effluent was collected in times 20, 40, 60, 80, 100 and 120 minutes. The results were analyzed by Mann-Whitney and Kruskal-Wallis tests. The significance was set for P<0.05. RESULTS: No difference was found between iron absorption as well as iron absorption curves in groups 1 and 2. CONCLUSION: The chronic consumption of ethanol did not alter iron absorption.


Subject(s)
Alcoholism/metabolism , Duodenum/metabolism , Ethanol/pharmacology , Intestinal Absorption/drug effects , Iron/metabolism , Alcohol Drinking/metabolism , Animals , Male , Mice
13.
Arq. gastroenterol ; 47(2): 193-196, abr.-jun. 2010. tab
Article in Portuguese | LILACS | ID: lil-554686

ABSTRACT

CONTEXTO: Os indivíduos alcoolistas apresentam aumento da concentração hepática de ferro e os mecanismos responsáveis por essa deposição são ainda desconhecidos. Apesar da extensa literatura existente sobre a absorção de ferro nos diferentes estados patológicos, os efeitos do consumo prolongado do etanol não estão totalmente esclarecidos. OBJETIVOS: Determinar a absorção de ferro no duodeno de camundongos após consumo prolongado de etanol, com relação ao controle de camundongos normais. MÉTODOS: Foram utilizados 10 camundongos machos da raça Swiss, distribuídos em dois grupos: grupo 1 (n = 5) - controle e grupo 2 (n = 5) - consumo de água com etanol, como única fonte de água ofertada. Os animais foram acompanhados durante 120 dias. Decorrido esse período, isolou-se o duodeno e pela parte oral de cada alça, infundiu-se solução salina contendo ascorbato de ferro II na concentração de 0,016 mg de ferro elemento. O efluente foi coletado nos tempos 20, 40, 60, 80, 100 e 120 minutos. Os resultados foram analisados pelo teste Mann-Whitney e Kruskal-Wallis, com significância para P<0,05. RESULTADOS: Não houve diferença entre a absorção duodenal de ferro dos grupos 1 e 2, assim como na curva de absorção. CONCLUSÕES: Conclui-se que, nas condições deste experimento, o consumo prolongado de etanol não alterou a absorção de ferro.


CONTEXT: Alcoholists present an increase of iron hepatic concentration, although the responsible mechanisms for this deposition are still unknown. Despite the extensive literature related on the iron absorption in different pathological conditions, the effect of chronic ethanol consumption are still not conclusive and not completely understood. OBJECTIVE: To verify the effect of chronic ethanol ingestion on duodenal absorption of iron. METHODS: Ten male Swiss mice were divided into two groups: group 1 (n = 5) - control, and group 2 (n = 5) - water consumption with ethanol, as only water source. The animals were followed during 120 days. After this period, the duodenum was isolated and saline solution containing ascorbate of iron II in the 0,016 concentration of mg of iron element was infused. The effluent was collected in times 20, 40, 60, 80, 100 and 120 minutes. The results were analyzed by Mann-Whitney and Kruskal-Wallis tests. The significance was set for P<0.05. RESULTS: No difference was found between iron absorption as well as iron absorption curves in groups 1 and 2. CONCLUSION: The chronic consumption of ethanol did not alter iron absorption.


Subject(s)
Animals , Male , Mice , Alcoholism/metabolism , Duodenum/metabolism , Ethanol/pharmacology , Intestinal Absorption/drug effects , Iron/metabolism , Alcohol Drinking/metabolism
14.
GED gastroenterol. endosc. dig ; 28(2): 45-48, abr.-jun. 2009. graf
Article in Portuguese | LILACS | ID: lil-768056

ABSTRACT

Objetivo: A concentração de ferro no organismo permanece em uma faixa estreita, sendo controlada pela absorção na mucosa intestinal. Nos alcoolistas, encontra-se aumento dos estoques deste metal, sendo os mecanismos responsáveis por essa deposição ainda não compreendidos. Este experimento tem como objetivo determinar o efeito da ingestão crônica de etanol na absorção de ferro jejunal.Métodos: Foram utilizados 10 camundongos machos da raça Swiss, distribuídos em dois grupos: grupo 1 (n = 5) - controle e grupo 2 (n = 5) - consumo de solução aquosa de etanol como única fonte de água ofertada. Os animais foram acompanhados durante 120 dias. Decorrido esse período, isolou-se o jejuno e, pela parte oral de cada alça, infundiu-se uma solução fisiológica contendo asco r-bato de ferro 11 na concentração de 0,016mg de ferro elemento. O efluente foi coletado nos tempos 20, 40, 60, 80, 100 e 120 minutos. Os resultados foram analisados pelo teste Mann-Whitney e Kruskal-Wallis com significância para p < 0,05. Resultados: Não houve diferença estatisticamente significativa entre a absorção jejunal de ferro dos grupos 1 e 2, assim como na curva de absorção (p = 0,34). Conclusão: Concluiu-se que nas condições deste experimento o consumo prolongado de etanol não alterou a absorção de ferro jejunal.


Subject(s)
Animals , Intestinal Absorption , Iron , Models, Animal , Alcoholism , Ethanol , Jejunum , Mice
15.
Einstein (Säo Paulo) ; 7(2): 187-189, 2009. tab
Article in English | LILACS | ID: lil-520374

ABSTRACT

Objective: Alcoholics are more likely to have infections, mainly in the respiratory system. Alcohol seems to inhibit the immune system. Despite the extensive literature related to alcoholism, data related to the immune system are still not conclusive. The objective of this study was to verify the influence of acute alcohol intake on colloid distribution in the organs of the mononuclear phagocyte system. Methods: Thirteen male Swiss mice were divided into two groups: Group 1 (n = 5) - control, and Group 2 (n = 8) - animals that received 0.5 ml ethanol 50%, 30 minutes before the experiment. Colloidal sulphur labeled with 99Tcm was used to evaluate colloid distribution in the liver, spleen and lungs. Colloid clearance was assessed as well. Gamma camara was used to measure the radioactivity of these organs and of a blood clot. Results: No difference was found in the presence of colloid in the organs of both groups. The liver showed the highest phagocytic function, followed by the spleen and lungs (p = 0.021 for Group 1 and p = 0.003 for Group 2). A minimum amount of radiation remained in the blood in both groups. Conclusions: According to the experiential conditions of this work, acute intake of alcohol did not interfere with the phagocytic function of the mononuclear phagocyte system in mice.


Objetivo: Os indivíduos alcoolistas têm uma propensão maior à infecção, especialmente do sistema respiratório. O consumo de álcool inibe tanto de forma direta como indireta o sistema imune. Apesar da extensa literatura existente sobre as repercussões do alcoolismo no sistema imune, os dados referentes à sua interação, quando administrado de forma aguda, na função fagocitária do sistema mononuclear fagocitário (SMF) permanecem controversos. O objetivo do presente trabalho foi verificar a influência do alcoolismo agudo no SMF. Métodos: Foram utilizados 13 camundongos da raça Swiss, distribuídos em dois grupos: Grupo 1 (n = 5): controle, e Grupo 2 (n = 8): animais que receberam 0,5 ml de etanol a 50%, 30 minutos antes do experimento. Decorrido esse tempo, injetaram-se 0,15 ml de enxofre coloidal marcado com 99Tcm na veia jugular. Após uma hora, retirou-se um fragmento de fígado, baço e pulmão, além de um coágulo sanguíneo, os quais foram pesados. A atividade radioativa de cada fragmento foi medida em um aparelho de gama-câmara. Resultados: Ambos os grupos apresentaram maior atividade fagocitária no fígado, seguida pelo baço e pulmão (p = 0,021, para Grupo 1 e p = 0,003, para Grupo 2). O coágulo apresentou a menor quantidade de radiação tanto no Grupo 1 quanto no Grupo 2. Conclusões: Nas condições experimentais deste trabalho, o alcoolismo agudo não influenciou na atividade fagocitária do SMF.

16.
Rev. Col. Bras. Cir ; 32(3): 132-135, maio-jun. 2005. graf
Article in Portuguese | LILACS | ID: lil-451032

ABSTRACT

OBJETIVO: Avaliar a influência da privação dos hormônios ovarianos no ganho ponderal, em modelo experimental. MÉTODO: Foram utilizadas 40 ratas fêmeas adultas, distribuídas aleatoriamente em três grupos: Grupo 1 (n=10) - controle, Grupo 2 (n=10) - submetido apenas à laparotomia, Grupo 3 (n=20) - submetido à ooforectomia total bilateral. Os animais foram pesados semanalmente durante 30 semanas e os resultados foram avaliados pelo teste t de Student, com significância para p < 0,05. RESULTADOS: As ratas ooforectomizadas apresentaram ganho ponderal maior do que as demais, sendo a diferença significativa a partir da 9ª semana e persistindo até o fim do experimento. CONCLUSÕES: No presente trabalho, a privação dos hormônios ovarianos foi um fator relacionado com o maior ganho ponderal, em ratas.


BACKGROUND: Assess the effects of the ovarian hormones privation on the body weight, in experimental model. METHODS: Forty adult female rats were randomly divided into three groups: Group 1 (n=10) - control, Group 2 (n=10) -sham operation, Group 3 (n=20) - ovariectomy. The weight of the animals was weekly assessed during 30 weeks and the results were compared by Student t test, with significance for p < 0.05. RESULTS: The ovariectomized rats presented higher weight gain than those of the other groups. The difference was significant after nine weeks, until the end of the experiment. CONCLUSION: In the present work, privation of the ovarian hormones was related to higher body weight, in rats.

17.
J. bras. patol. med. lab ; 41(3): 153-158, maio-jun. 2005. tab
Article in Portuguese | LILACS | ID: lil-416500

ABSTRACT

INTRODUÇAO: A interação dos hormônios ovarianos e placentários com o sistema imune ainda é controversa na literatura. OBJETIVOS: Determinar a influência da ooforectomia e da gravidez na atividade fagocitária do sistema mononuclear fagocitário (SMF) em modelo experimental. MATERIAL E MÉTODO: Foram utilizadas 45 ratas wistar adultas divididas em três grupos (n = 15): grupo 1 - controle; grupo 2 - ratas ooforectomizadas; grupo 3 - ratas grávidas. A função do sistema mononuclear fagocitário foi determinada pela captação de enxofre coloidal marcado com 99mTc pelos órgãos do SMF, além de avaliar a quantidade de radiofármaco remanescente na circulação sangüínea por meio de um coágulo sangüíneo. O peso e a radiação de cada amostra foram medidos e comparados pelo teste t de Student. Realizou-se também análise histológica desses órgãos. RESULTADOS: Em todos os animais, a captação do radiofármaco foi maior no fígado, seguido por baço e pulmão. O coágulo sangüíneo apresentou uma quantidade mínima de radiação. A ooforectomia não foi acompanhada de mudanças na captação do colóide. Entretanto as ratas grávidas registraram menor captação do colóide no fígado e maior captação no pulmão. Não houve alteração na histoarquitetura dos órgãos estudados. CONCLUSÕES: Conclui-se que a gravidez altera a atividade fagocitária do SMF, porém a ooforectomia não parece interferir nessa função.


Subject(s)
Animals , Rats , Animals , Radiopharmaceuticals , Phagocytes/immunology , Ovariectomy , Pregnancy, Animal , Rats, Wistar
18.
An. Fac. Med. Univ. Fed. Pernamb ; 48(1): 3-6, jan.-jun. 2003. tab
Article in Portuguese | LILACS | ID: lil-350357

ABSTRACT

Os hormônios ovarianos são responsáveis pelo desenvolvimento sexual feminino e ultimamente vem sendo pesquisada sua interação com o sistema imune. Para determinar a influência da ooforectomia na atividade fagocitária do sistema mononuclear fagocitário (SMF) foram utilizadas 30 ratas. Os animais foram divididos em três grupos (n=10): Grupo 1 - controle, Grupo 2 - ratas ooforectomizadas recém-desmamadas, Grupo 3 - ratas ooforectomizadas adultas. Após três meses da ooforectomia, a função do sistema mononuclear fagocitário foi determinada pela captação de enxofre coloidal marcado com 99mTc pelo fígado, baço e pulmão, além de avaliar a permanência do radiofármaco em coágulo sanguineo. O peso e a radiação de cada amostra foram medidos. Realizou-se também análise histológica desses órgãos. Os resultados foram comparados pelo teste t de Student. Em todos os animais, a captação do radiofármaco foi maior no fígado, seguido pelo baço e pulmão. O coágulo sangüineo apresentou uma quantidade mínima de radiação. As ratas ooforectomizadas não registraram alterações de captação do colóide em relação ao grupo controle. Alterações na histoarquitetura desses orgãos não foram evidenciadas. Não foi observada influência da ooforectomia na atividade fagocitária do SMF em ratas recém-desmamadas e adultas


Subject(s)
Animals , Rats , Ovariectomy , Phagocytes , Models, Biological
19.
An. Fac. Med. Univ. Fed. Pernamb ; 46(2): 111-114, 2001. tab
Article in Portuguese | LILACS | ID: lil-309935

ABSTRACT

A queimadura grave representa importante causa de internaçöes prolongadas em grandes hospitais de urgência, sendo sua abordagem inicial fator importante para determinaçäo de tratamentos posteriores e morbimortalidade. O presente trabalho teve como objetivo avaliar a eficácia de diversas substâncias tópicas na abordagem inicial de queimadura grave em relaçäo ao tempo de sobrevida. Foram utilizados 75 comundongos da raça NIH, de ambos os sexos, pesando em média 30g e divididos aleatoriamente em 15 grupos (n=5). Sob anestesia profunda, os animais tiveram 70por cento de sua superfície corpórea mergulhada em água a 95§C durante 30 segundos. Em seguida, os animais foram cobertos por gazes embebidas em várias soluçöes com diferentes osmolaridades e temperaturas. Foram avaliados os tempos de sobrevida de cada animal. O tempo de sobrevida apresentou variaçäo individual até para animais do mesmo grupo. O cloreto de sódio de 20 por cento a 5§C e o PVPI a temperatura ambiente apresentaram os melhores resultados, aumentando a sobrevida de camundongos submetidos a queimadura grave


Subject(s)
Animals , Mice , Anti-Inflammatory Agents , Burns , Mice , Models, Biological , Autoexperimentation
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