Você pesquisou por y - Revista Brasileira de Ginecologia e Obstetrícia
You searched for:"Francisco Cândido dos Reis"
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Rev Bras Ginecol Obstet. 2004;26(9):715-719
DOI 10.1590/S0100-72032004000900007
PURPOSE: development of a new experimental model of endometriosis induction in rabbits evaluating its temporal evolution both macro-and microscopically. METHODS: thirty female rabbits were submitted to endometriosis induction through the fixation of a piece of the left uterine horn to the abdominal peritoneum. After four or eight weeks the viability of the lesions was verified by laparoscopy. The lesions were observed endoscopically. The implants were measured and histological analyses were made. The groups were compared for the presence of endometriotic lesion on laparoscopy, presence of adhesions, implant size and histological aspects. For statistical analyses we utilized Student's t and Mann-Whitney's tests, with a statistical significance of 5%. RESULTS: endometriotic lesions were identified in all cases submitted to laparoscopy after 4 weeks of induction, 64% of them cystic, and in 80% of the rabbits after eight weeks, 66% of which cystic. The adhesions were present in 71% of the rabbits after 4 weeks (none in the implants) and in 80% of the rabbits after 8 weeks (13% in the implants). The lesions were significantly larger after 8 weeks (p<0,0001). The histological analyses showed 100% of endometrial tissue in both groups. CONCLUSION: this experimental model showed that it is possible to simulate endometriosis in rabbits with a viable and simple technique, also allowing to record the characteristics and development of the implants macro-and microscopically. Although the histological aspects were similar, the lesions after eight weeks were larger than after four, making their manipulation easier.
Summary
Rev Bras Ginecol Obstet. 2004;26(9):715-719
DOI 10.1590/S0100-72032004000900007
PURPOSE: development of a new experimental model of endometriosis induction in rabbits evaluating its temporal evolution both macro-and microscopically. METHODS: thirty female rabbits were submitted to endometriosis induction through the fixation of a piece of the left uterine horn to the abdominal peritoneum. After four or eight weeks the viability of the lesions was verified by laparoscopy. The lesions were observed endoscopically. The implants were measured and histological analyses were made. The groups were compared for the presence of endometriotic lesion on laparoscopy, presence of adhesions, implant size and histological aspects. For statistical analyses we utilized Student's t and Mann-Whitney's tests, with a statistical significance of 5%. RESULTS: endometriotic lesions were identified in all cases submitted to laparoscopy after 4 weeks of induction, 64% of them cystic, and in 80% of the rabbits after eight weeks, 66% of which cystic. The adhesions were present in 71% of the rabbits after 4 weeks (none in the implants) and in 80% of the rabbits after 8 weeks (13% in the implants). The lesions were significantly larger after 8 weeks (p<0,0001). The histological analyses showed 100% of endometrial tissue in both groups. CONCLUSION: this experimental model showed that it is possible to simulate endometriosis in rabbits with a viable and simple technique, also allowing to record the characteristics and development of the implants macro-and microscopically. Although the histological aspects were similar, the lesions after eight weeks were larger than after four, making their manipulation easier.
Summary
Rev Bras Ginecol Obstet. 2005;27(2):80-85
DOI 10.1590/S0100-72032005000200007
PURPOSE: to evaluate the evolution of pregnancy and the maternofetal prognosis in women with uterine leiomyomas. METHODS: a descriptive retrospective analysis of the medical records of 75 pregnant women with leiomyomas attended at the University Hospital, Faculty of Medicine of Ribeirão Preto, University of São Paulo, from January 1992 to January 2002. RESULTS: seventy-five pregnant women with leiomyomas were identified in a population of 34,467 pregnant women attended during this period (incidence of 0.2%). The diagnosis was made before pregnancy in 18 patients (24%), during the current pregnancy in 41 (54.6%), and during cesarean section in 16 (21.3%), of whom only six were not submitted to ultrasound scan during the prenatal period. Ten deliveries with preterm fetuses and five cases of premature rupture of the amniotic membranes were observed. Forty-seven patients (75.8%) were submitted to cesarean section, with the indication being directly related to the leiomyomas in 38.3% of them (anomalous presentation, obstruction of the birth canal, or uterine scar due to a previous myomectomy). Four cases of central necrosis, two cases of hyaline degeneration and one case of malignant potential of the leiomyoma were identified in patients submitted to postpartum myomectomy or hysterectomy. Sixty-one newborns (98.4%) had an Apgar score above 7 at the fifth minute of life, and surgery did not lead to a worse maternofetal prognosis when performed during pregnancy. CONCLUSIONS: the incidence of leiomyomas during pregnancy was 0.2% during the study period, with ultrasonography failing to diagnose 10 patients. Cesarean section was frequently indicated for this group of patients, but the presence of leiomyomas during pregnancy did not compromise the Apgar score of the newborns.
Summary
Rev Bras Ginecol Obstet. 2005;27(2):80-85
DOI 10.1590/S0100-72032005000200007
PURPOSE: to evaluate the evolution of pregnancy and the maternofetal prognosis in women with uterine leiomyomas. METHODS: a descriptive retrospective analysis of the medical records of 75 pregnant women with leiomyomas attended at the University Hospital, Faculty of Medicine of Ribeirão Preto, University of São Paulo, from January 1992 to January 2002. RESULTS: seventy-five pregnant women with leiomyomas were identified in a population of 34,467 pregnant women attended during this period (incidence of 0.2%). The diagnosis was made before pregnancy in 18 patients (24%), during the current pregnancy in 41 (54.6%), and during cesarean section in 16 (21.3%), of whom only six were not submitted to ultrasound scan during the prenatal period. Ten deliveries with preterm fetuses and five cases of premature rupture of the amniotic membranes were observed. Forty-seven patients (75.8%) were submitted to cesarean section, with the indication being directly related to the leiomyomas in 38.3% of them (anomalous presentation, obstruction of the birth canal, or uterine scar due to a previous myomectomy). Four cases of central necrosis, two cases of hyaline degeneration and one case of malignant potential of the leiomyoma were identified in patients submitted to postpartum myomectomy or hysterectomy. Sixty-one newborns (98.4%) had an Apgar score above 7 at the fifth minute of life, and surgery did not lead to a worse maternofetal prognosis when performed during pregnancy. CONCLUSIONS: the incidence of leiomyomas during pregnancy was 0.2% during the study period, with ultrasonography failing to diagnose 10 patients. Cesarean section was frequently indicated for this group of patients, but the presence of leiomyomas during pregnancy did not compromise the Apgar score of the newborns.