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Biomedical subjects

N Garcea

Publications and source records attributed to N Garcea.

At least 19 recordsLinked to original sources

Laparoscopically assisted vaginal hysterectomy versus total abdominal hysterectomy: a prospective, randomized, multicenter study.

OBJECTIVE: The objective of this study was to evaluate short-term results of laparoscopically assisted vaginal hysterectomy with those of total abdominal hysterectomy in a prospective, randomized, multicenter study. STUDY DESIGN: One hundred sixteen patients referred for abdominal hysterectomy were randomized to either laparoscopically assisted vaginal hysterectomy (58 patients) or abdominal hysterectomy (58 patients). Inclusion criteria were one or more of the following, where a vaginal hysterectomy would be traditionally contraindicated: uterine size larger than 280 g, previous pelvic surgery, history of pelvic inflammatory disease, moderate or severe endometriosis, concomitant adnexal masses or indication for adnexectomy, and nulliparity with lack of uterine descent and limited vaginal access. An upper limit of uterine size was set at 16 weeks' gestation (ie, 700 g). RESULTS: There were no differences in terms of patient's age, parity, preoperative hemoglobin levels, mean uterine weight, and total operating time between the 2 groups. Estimated blood losses and postoperative day 1 hemoglobin drop were significantly lower for laparoscopically assisted vaginal hysterectomy than for abdominal hysterectomy (P<.05). There were 1 major and 2 minor complications in the laparoscopically assisted vaginal hysterectomy group compared with 2 major and 5 minor complications in the abdominal hysterectomy group (P not significant). Postoperative pain was lower for laparoscopically assisted vaginal hysterectomy than for abdominal hysterectomy on postoperative days 1, 2, and 3 (P<.05). Postoperative hospital stay was significantly shorter for laparoscopically assisted vaginal hysterectomy than for abdominal hysterectomy (P<.001). CONCLUSIONS: The present study demonstrates that, given adequate training in laparoscopic surgery, laparoscopically assisted vaginal hysterectomy may replace abdominal hysterectomy in most patients who require a hysterectomy and have contraindications to vaginal hysterectomy, with all the benefits associated with the vaginal route.

Adult

Laparoscopic myomectomy in premenopausal women with and without preoperative treatment using gonadotrophin-releasing hormone analogues.

The present study was undertaken in order to evaluate the usefulness or otherwise of preoperative gonadotrophin-releasing hormone (GnRH) analogue treatment prior to laparoscopic myomectomy. From June 1993 through December 1996, 60 premenopausal women aged between 25 and 42 years and with a sonographic diagnosis of intramural or subserous myomas were selected for laparoscopic myomectomy at the Department of Obstetrics and Gynaecology of the Catholic University of The Sacred Heart, Rome. According to a computer-generated sequence, 30 patients were submitted to three cycles of GnRH analogue treatment prior to surgery, whereas no preoperative treatment was prescribed to the other 30 patients. Laparoscopic myomectomy was successfully performed in all patients for a total of 174 myomas excised laparoscopically. The patients' mean age, the number of myomas per patient, the mean diameter of the myomas, parity and estimated blood loss were similar in both groups. The operative time was significantly longer in the group of patients submitted to GnRH analogue treatment than that of the group of patients not submitted to any preoperative medical therapy (157.5 +/- 74.71 versus 112.33 +/- 54.71 min; P = 0.01). No intra-operative complications occurred. In no case was blood transfusion necessary. Two patients developed post-operative fever (temperature > 38 degrees C.). The mean length of hospital stay was 2.39 days and was similar in both groups. Thirteen spontaneous pregnancies occurred among 24 infertile patients (54.1%). The pregnancy rate for these patients was similar in both groups. The viable term delivery rate was 45.8%. The authors conclude that laparoscopic myomectomy is a feasible and safe procedure. The post-operative pregnancy rate for infertile patients is similar to that following laparotomic myomectomy. The present study suggests that preoperative GnRH analogue treatment does not offer any significant advantages for laparoscopic myomectomy.

Adult

Laparoscopic gonadectomy in two patients with gonadal dysgenesis.

Individuals with androgen insensitivity syndrome have a high risk (20-30%) of developing malignancy in their gonads. Accordingly, bilateral gonadectomy is recommended. In a 17-year-old woman with Swyer syndrome gonads were located as streaks above the pelvic brim. In a 13-year-old with Morris syndrome they were located within the inguinal canals. Bilateral laparoscopic gonadectomy was performed under general anesthesia in both patients without complications. We suggest that in phenotypic females with 46,XY karyotype, the procedure may be performed safely, even with gonads located in inguinal canals.

Adolescent

Laparoscopic conservative excision of ovarian dermoid cysts with and without an endobag.

STUDY OBJECTIVE: To compare outcomes of conservative laparoscopic treatment of dermoid cysts removed from the abdominal cavity without (group A) and with an endobag (group B). DESIGN: Prospective, randomized, 4-year (June 1992-June 1996) study (Canadian Task Force classification I). SETTING: Department of Obstetrics and Gynecology of the Catholic University of the Sacred Heart in Rome. PATIENTS: Fifty-five premenopausal women with dermoid cysts. Intervention. Patients were randomly assigned to removal of dermoid cysts from the abdominal cavity with or without an endobag through a 10- to 12-mm cannula sleeve. MEASUREMENTS AND MAIN RESULTS: We assessed surgical time, spillage, complications, length of hospitalization, recurrences, and pregnancies. In the 55 women, 58 dermoid cysts (mean diameter 5.6 +/- 2.03 cm) were enucleated and removed at operative laparoscopy through a 10- to 12-mm cannula sleeve without intraoperative or postoperative complications. Mean operating time was 73 minutes. When cysts were removed with an endobag, operating time was significantly reduced over removal without the endobag (63 vs 81 min, p <0.05). Obvious spillage of endocystic contents occurred in 13 (43.3%) patients in group A but in only 1 patient in group B because the bag ruptured (p <0.05). No signs or symptoms of peritonitis were observed in women with evident cystic spillage or in those in group A in whom spillage was possible. Average postoperative hospital stay was 1.7 days and did not differ between groups. Among 20 infertile women, 9 (45%) experienced spontaneous pregnancy within a year, with no differences between groups. Echographic follow-up did not reveal cyst recurrence. CONCLUSIONS: Laparoscopic conservative cystectomy of dermoid cysts in premenopausal women is safe and effective and appears to be a valuable alternative to laparotomy. Removing cysts in an endobag significantly reduced both operating time and spillage. However, controlled intraperitoneal spillage of cyst contents does not increase postoperative morbidity as long as the peritoneal cavity is thoroughly washed.

Adolescent

Spontaneous pregnancy after 13 years of amenorrhea in a patient with a voluminous ovarian dysgerminoma and submitted to left adnexectomy and radiotherapy.

The authors illustrate the case of a 17-year-old patient who was submitted to left adnexectomy in view of an ovarian dysgerminoma 24 cm in diameter and weighing 2,800 g. She was subsequently submitted to two cycles of radiotherapy. Following a period of amenorrhea lasting 13 years and characterized by high serum levels of gonadotropins, the patient had a spontaneous pregnancy and at 33 weeks of gestation delivered a live and vital fetus. Therefore the occurrence of post-radiotherapy amenorrhea, characterized by high serum gonadotropin levels, should not always be considered pathognomonic of precocious menopause. The possibility that radiotherapy causes only a temporary alteration in ovarian activity should also be taken into consideration.

Adolescent

Efficacy assessment of highly purified follicle-stimulating hormone alone or in combination with human menopausal gonadotropin during pituitary suppression in patients undergoing GIFT for unexplained infertility.

The purpose of this study was to compare the efficacy of highly purified follicle-stimulating hormone (FSH-HP) alone versus the combination of FSH-HP + human menopausal gonadotropin (hMG) treatment during pituitary suppression with gonadotropin-releasing hormone (GnRH) analog on the clinical outcome and endocrine parameters in 120 randomized women undergoing gamete intra-Fallopian transfer (GIFT) for unexplained infertility. Our data did not show any significant difference between the two groups as regards dose of administered gonadotropins, duration of treatment, estradiol 17 beta 17 beta increase curves, number of follicles > 16 mm, number of recruited and transferred oocytes, and endometrial thickness. The percentages of clinical pregnancies (33.3% with FSH-HP and 31.6% with FSH-HP + hMG), of miscarriages and twin gestations were also similar in the two groups. It is concluded that, during GnRH analog suppression, FSH-HP treatment alone is effective in inducing normal follicular steroidogenesis and adequate oocyte maturation, but no detrimental effect of luteinizing hormone (LH) activity of hMG on the outcome of the outcome of ovarian stimulation was found.

Adult

[The ICSI (Intracytoplasmic Sperm Injection)].

ICSI (Intracytoplasmic Sperm Injection) is the latest known assisted reproduction technique (ART) and it already appears to be mature. In fact the analysis of the results presented by the researchers over the years has shown that the most specific indication for this ART is the sterility of the couple with serious male pathology, up to ejaculatory azoospermia where it is possible to perform MESA, PESA or TESE. Any kind of sterility could be solved with ICSI whose only limit presently known is the high technology and therefore high costs involved. The percentage of oocytes that undergo ICSI without being damaged varies from 87% to 94% and the percentage of fertilization varies from 33% to 71%. The transfer rate is 59-100%. The rate of pregnancies per couple ranges from 12% to 40% of the couples, from 11% to 41% for the transfers. Since abortions are similar to the values of the normal population (10-15%), ICSI is actually the assisted fertilization technique with the highest incidence of pregnancies and "take home babies". The percentage incidence of the two sexes, of the malformations and the typologies of malformations corresponds to those observed in the population with spontaneous pregnancies. Since there is no natural selection of the gametes in ICSI, one may be sure that when spermatozoa with any kind of pathology are injected, the pregnancy does not take place at all.

Cytoplasm

[Surgical treatment of ovarian cysts: economic analysis as a means for the evaluation of alternative technics. Results of a biennial study].

The large use of new gynaecological technologies such as the operative laparoscopy, requires both efficacy and efficiency evaluation. The aim of this work is to compare costs of the surgical treatment of ovarian cysts between two groups of patients--35 patients undergone to laparotomic cystectomy (age: mean 27.5) and 34 operated by laparoscopic technique (age: mean 27). The analysis of the costs, related to three steps of health care (pre-operative, operative, post-operative) shows that the laparoscopic cystectomy results the more efficient intervention (L. 6,244,808 vs L. 8,310,002). This economic analysis may offer a planning tool for health care to hospital managers and represent an efficiency evaluation criterion of surgical techniques employed by the gynaecologists.

Adult

Dicentric chromosome Y associated with Leydig cell agenesis and sex reversal.

The nature of a non-mosaic marker Y chromosome observed in a pseudohermaphrodite patient with Leydig cell agenesis was investigated by high-resolution chromosome analysis and molecular probes from the Y chromosome. Cytogenetically, the marker chromosome appeared to be an isodicentric, with breakage in Yq11.21. Double copies of all Yp-specific loci tested, including SRY, were present. The most distal Yq portion detected in patient DNA was DXS278-C, which maps to interval D in the chromosome Yq deletion map. Fragment DXS278-B, which maps to deletion interval E, was absent. The possible relationship between this cytogenetic abnormality and Leydig cell agenesis, a finding never reported in association with Y chromosome rearrangements, is discussed.

Adolescent

[Outcome of drug-induced pregnancies].

The authors analysed 153 pregnancies achieved after different drug treatment to induce ovulation. The outcome of single and multiple pregnancies, the fetal malformation and male/female ratio were considered. The results obtained show that induction of ovulation seem to raise the risk of miscarriage when compared with outcome of spontaneous pregnancies; the malformation risk is not considerable.

Abortion, Spontaneous

Endocrine changes and clinical outcome after laparoscopic ovarian resection in women with polycystic ovaries.

Ovarian laparoscopic resection was applied to 23 sterile patients affected with polycystic ovarian disease (PCOD) resistant to different pharmacological treatments, in order to induce ovulation. After resection, 56% of the patients had spontaneous ovulatory cycles and 13 pregnancies arose. Ten of the pregnancies were spontaneous and three followed treatment with clomiphene. Hormone changes were assessed in 15 patients, including five with spontaneous menstruation but without ovulation and five with persistent amenorrhoea for 3 months after resection. A significant decrease in both androstenedione and testosterone levels occurred in all patients. These decreases were not related to the clinical results of resection. Luteinizing hormone (LH) did not vary greatly in any group after resection. Mean values and mean pulsatility of follicle stimulating hormone (FSH) increased significantly only in pregnant patients or those with spontaneous ovulatory cycles. The results of gonadotrophin-releasing hormone (GnRH) assays did not change after resection. The mechanisms involved in the resumption of cyclic function of the hypophyseal-ovarian axis after resection are discussed briefly.

Adult

Efficacy of leuprorelin acetate depot in symptomatic fibromatous uteri: the Italian Multicentre Trial.

A total of 110 nonmenopausal women (mean age 42.1 years) presenting with symptomatic uterine leiomyomata and/or fibromatous uteri have been enrolled in this trial to evaluate the efficacy of the depot formulation of leuprorelin acetate in decreasing uterine volume and minimizing menorrhagia, dysmenorrhoea and pressure over the bladder. All patients were treated with an intramuscular injection of leuprorelin acetate depot 3.75 mg every 4 weeks for 16 weeks. Clinical examinations and hormonal and ultrasound determinations were performed before, during and at the end of treatment. Appropriate follow-up is still ongoing for most patients. At the end of the treatment period, of 88 women with enlarged fibromatous uteri, 33 (37.5%) showed a decrease in uterine volume of greater than or equal to 50% of the original size, while nine (10.2%) remained with unchanged uterine volume. Of 80 fibromas measurable separately, 47 (52.8%) decreased by greater than 50% of the initial volume and 16 (18%) remained unchanged or even increased. During treatment, clinically advantageous effects were observed in the associated symptomatology, mainly in the production of amenorrhoea and restoration of normal haemoglobin levels. Most of the patients were affected by irregular menstrual blood loss with consequent anaemia that in 29 patients was expressed by low levels of haemoglobin (mean 9.2 g/dl; SD 1.5; range 4.5-11.8 g/dl). By the end of the treatment, only one patient still had moderate vaginal blood loss. Haemoglobin levels rose to a mean value of 11.8 g/dl (SD 1.3; range 8.5-14.1 g/dl). Three patients (2.7%) failed to complete the 16-week treatment protocol, because of headache (one patient) and increased blood pressure (two patients). As a result of the treatment, of the 107 patients who were candidates for surgery and who were included in this study, only nine (8.4%) required surgery during leuprorelin acetate treatment. Of these, four operations were vaginal excision of the submucous myomata protruding into the cervix during treatment, and in five hysterectomy performed because of persistence of symptoms. In most patients the achievement of amenorrhoea minimized the fear of surgical emergency, facilitating an increased awareness of their clinical condition. With the exception of the three patients who dropped out, side effects were mild in all patients, consisting mainly of hot flushes, which were easily tolerated. In the following 8-12 months, the regrowth of uterine volume to original size has been usual in most of the 82 patients now in follow-up.(ABSTRACT TRUNCATED AT 400 WORDS)

Adult

Scanning electron microscopy of rabbit tubes at different intervals after anastomosis using fibrin glue.

Eighteen New Zealand White rabbits were submitted to tubal anastomosis using fibrin glue. The animals were then killed at different intervals (2-56 days) and the tubes were removed for analysis with the scanning electron microscope in order to study re-epithelialization and ciliogenesis. For the first 4 days after the operation the epithelium seemed to suffer considerable traumatic effects and was de-epithelialized. On the 6th day cells with microvilli appeared and towards the 10th day the first cilia were seen. Ciliogenesis was complete between 2 and 4 weeks after the operation, at which time the cilia re-acquired the ability to beat in coordination, as well as attaining normal quantity and length. The time required for recovery by the epithelium after anastomosis with fibrin glue would thus seem similar to that required when other suture materials are used. Fibrin glue thus combines the advantage of a considerable reduction in operating times with the ability to be rapidly reabsorbed, with complete restitutio ad integrum of the tissues.

Anastomosis, Surgical

A prostaglandin analogue (ONO-802) in treatment of missed abortion, intrauterine fetal death and hydatiform mole: a dose-finding trial.

Forty-eight patients affected with missed abortion, intrauterine fetal death and hydatiform mole were treated with vaginal suppositories containing 1 mg of 16,16-dimethyl-trans-delta 2-PGE1 methyl ester (ONO-802). The patients were divided into two treatment groups. The first, Group A, was given one vaginal suppository every 3 h to a maximum of five suppositories. The product of conception was expelled in 95.8% of patients. In Group B the maximum number of suppositories was reduced to three. The product of conception was expelled in 100% of cases and the average duration of treatment was similar to that for the first group. Although side-effects were mild in both groups, they were reduced in the patients of Group B.

Abortifacient Agents

Fibrin glue vs. nylon in the anastomosis of rabbit fallopian tubes.

Fibrin glue was used in end-to-end tubal anastomosis on eight sexually mature female New Zealand white rabbits. The right fallopian tubes were anastomosed with 10/0 nylon and the left with fibrin glue (Tissucol). The animals were mated with males of proven fertility six weeks after surgery and killed two weeks later. The gestational sacs and corpora lutea on the right and left sides were counted separately and the nidation index calculated for each. The presence of adhesions was also evaluated. All the tubes were finally examined under a scanning electron microscope. The fibrin glue was satisfactory in terms of patency, pregnancy and morphology of the epithelium.

Animals

Induction of ovulation with purified urinary follicle-stimulating hormone in patients with polycystic ovarian syndrome.

Purified urinary follicle-stimulating hormone was used to induce ovulation in 18 patients with polycystic ovarian syndrome. Each ampule contained 75 IU of follicle-stimulating hormone and less than 0.11 IU of luteinizing hormone. Initial doses were 150 to 225 IU/day, later increased to a maximum of 375 IU, according to daily clinical controls and estradiol values. After 12 to 16 days, follicle-stimulating hormone treatment was suspended. Within 36 to 48 hours each patient received 5000 or 10,000 IU of human chorionic gonadotropin, rarely more. Ovulation occurred in 39 of 43 treatment cycles and hyperstimulation in nine. Seven patients had normal pregnancies with viable fetuses, including one pair of twins. Two had abortions. Analysis of the endocrine situation during therapy does not permit either pregnancy or hyperstimulation to be predicted. However, hyperstimulation is frequently accompanied by endogenous luteinizing hormone peaks and greater estradiol increases during the final phase of induction. Purified follicle-stimulating hormone has thus demonstrated its validity in inducing ovulation in patients with polycystic ovarian syndrome, apparently with equal or lower risks of hyperstimulation than with other gonadotropin preparations.

Adult

Evolution and reversibility of damage to rabbit fallopian tubes after five sterilization methods.

The authors used a scanning electron microscope to study epithelial damage to the rabbit fallopian tube after sterilization with different methods and its subsequent capacity to regenerate after recanalization. Thirty female NZW rabbits were divided into five groups and sterilized using the following methods: 1) Madlener 2) Pommeroy, 3) clips, 4) unipolar coagulation, 5) bipolar coagulation. Each group was divided into subgroups of two and submitted at differing intervals to a second laparotomy, during which one tube was removed and the other anastomosed according to Winston's method. Four weeks after the second laparotomy all the rabbits were sacrificed, the remaining tube removed, and all tubes examined with the scanning electron microscope. The results indicate that mechanical methods of occlusion such as clips offer greater recovery possibilities than those in which the lesion is extended to the mesosalpinx. There further exists a correlation between the time that elapses after sterilization and regeneration of the epithelium.

Animals