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Biomedical subjects

C Scarabelli

Publications and source records attributed to C Scarabelli.

At least 19 recordsLinked to original sources

Percutaneous endoscopic gastrostomy as a decompressive technique in bowel obstruction due to abdominal carcinomatosis.

BACKGROUND AND STUDY AIMS: Percutaneous endoscopic gastrostomy (PEG) is a simple method of achieving nonsurgical gastric decompression in patients suffering from metastatic abdominal tumors and upper gastrointestinal tract obstruction. The aim of this prospective study was both to evaluate the efficacy of PEG for intestinal decompression in patients with disseminated abdominal cancer and to compare two catheters with different diameters. PATIENTS AND METHODS: Over a one-year period, 22 consecutive female patients (mean age 53.7, range 29-73) were referred to us and a PEG was successfully placed in 21. In four patients with unsatisfactory endoscopic trans-illumination of the anterior abdominal wall, an ultrasound unit was used to identify an adequate site for PEG placement. RESULTS: All patients experienced substantial symptomatic relief after a few days: vomiting and nausea completely resolved, and abdominal pain persisted in one patient only. No gastrostomy-related additional morbidity was noticed. We randomly inserted a 15-French or a 20-French tube: no statistically significant difference was noticed between the two in the symptomatic relief provided. CONCLUSIONS: Our data support the hypothesis that PEG is an effective, safe, and well-tolerated method of achieving gastric decompression in cancer patients; ultrasound guidance was an interesting option in positioning a tube in difficult situations; a standard nutritional tube, namely 15 or 20 French in diameter, may be large enough to obtain excellent clinical results.

Abdominal Neoplasms

An unusual presentation of vulvar carcinoma in a HIV patient.

A report of a case of rapidly growing vulvar cancer associated with vulvar condylomas in a patient with HIV infection is given. This aggressive tumor resembles those epithelial tumors observed in women with iatrogenic immunosuppression and lymphoid neoplasia currently observed in HIV patients.

Adult

Evidence of acute diaphragmatic fatigue in a "natural" condition. The diaphragm during labor.

Acute diaphragmatic fatigue has been experimentally shown to occur in normal healthy subjects and in patients with chronic obstructive pulmonary disease by asking them to modify their pattern of breathing or to breathe against high inspiratory resistances. During the expulsive period of labor women are asked periodically to make strong expulsive efforts and to sustain them isometrically for many seconds; this is likely to produce "natural" diaphragmatic fatigue. To investigate whether this was the case, six women were studied in the delivery room from the moment of the rupture of the amnion until delivery of the infant occurred. The development of diaphragmatic fatigue was assessed both by measuring the static maximal inspiratory pressure (MIP) and by analyzing the electromyographic power spectrum of the diaphragm (H/L ratio). The majority of contractions were concentrated in the expulsive period of labor. MIP, recorded in the supine position, significantly decreased from 103.2 +/- 17.2 cm H2O (at the beginning of the expulsive period) to 73.8 +/- 10.1 cm H2O (after the delivery). The H/L ratio fell progressively during the expulsive period; after the delivery, it was 59.2 +/- 15.7% of the value recorded at the beginning of the expulsive period. This study demonstrates that (1) the diaphragm is active in the expulsive efforts during labor and (2) the tension developed and the time each contraction is maintained may lead to the development of diaphragmatic fatigue. Therefore, we provide evidence of acute diaphragmatic fatigue in a natural condition.

Acute Disease

[Isolated splenic metastasis in a case of adenocarcinoma of the uterine cervix. A clinical case].

The incidence of splenic metastasis, revealed during autopsy, from solid tumours varies from 1.6% to 30% with a mean of 7%. The clinical observation of splenic metastasis in patients with carcinoma of the exocervix is only occasionally reported. In the majority of cases metastasis appears 4 or 5 years after the onset of disease. The case reported here is the only example we have found in the literature relating to an adenocarcinoma of the uterine cervix which led to an isolated splenic metastasis. A 47-years-old patient underwent radical hysterectomy according to Meigs due to a stage 1B N0 G2 endocervical adenocarcinoma. The patient was subsequently reoperated due to pelvic recurrence and received radiotherapy. Almost five years after the first operation CT showed a suspected isolate splenic recidivation following pain in the left side. Hepatosplenic scintigraphy confirmed the presence of a large central cold area, with blurred edges, suggesting metastasis. The patient again underwent laparotomy: the volume of the spleen was found to be increased with the splenic hilum covered with neoplastic tissue. Splenectomy was performed. Abdomino-pelvic and retroperitoneal inspection showed no further signs of metastasis. Histological tests confirmed the massive metastasis of the adenocarcinoma in splenic parenchymal tissue which was relatively differentiated with a clear cell appearance. Seven months later the patient was again operated following intestinal occlusion due to numerous entero-enteric adhesions. During the course of surgery a micronodule was removed from the cholecystic serosa, apparently composed of fibrin; histological analysis proved that this micronodule was the site of glandular micrometastasis. The patient then began three cycles of chemotherapy with Adriamycin (60 mg/m2).(ABSTRACT TRUNCATED AT 250 WORDS)

Adenocarcinoma

[Local anesthesia in cervix biopsy].

The Authors evaluated the perception of pain in a group of 35 patients undergoing cervical biopsy and the efficacy of using 40 mg of lydocaine (xylocaina spray) in 24 patients compared to a control group. Pain perception was evaluated using Scott-Huskissons's visual analogous scale. It was observed that this diagnostic method was painful and that premedication using topical anesthesia was an efficacious method of significantly reducing painful symptoms.

Anesthesia, Local

Whole abdomen radiation therapy after a short chemotherapy course and second-look laparotomy in advanced ovarian cancer.

From April 1983 through December 1989, 42 consecutive patients with diagnosis of epithelial ovarian carcinoma were initially managed by aggressive surgery and three courses of endoperitoneal cis-platinum-based chemotherapy followed by an alternating combination chemotherapy and second-look laparotomy. Patients with residual tumor less than or equal to 2 cm subsequently received whole abdominal radiation therapy (WAR). Twenty-eight patients (42% with no residual disease, 21% with microscopic disease, and 36% with residual disease less than 2 cm) were eligible for WAR. WAR was delivered using an open-field technique up to 22 Gy in 20 fractions followed by a pelvic boost of 18 Gy in 10 fractions. The kidneys were shielded posteriorly at 1100 cGy; hepatic shields were not added. One patient did not complete WAR for lung metastases after 5 radiotherapy fractions. The complete treatment program lasted 8 months (range, 6.8-11). The median follow-up of the 28 patients entered into the study was 50 months. Eight patients are alive and disease-free at 5 years. The overall and disease-free survival rates at 5 years are 45 and 30%, respectively. All but 2 patients relapsed within the abdominopelvic cavity and 3 developed brain metastases. Toxic effects, during WAR, required treatment interruption in all but 4 patients: 3 developed a small bowel obstruction requiring surgery and 1 died of surgical complications in complete remission. The poor disease-free survival and the severe toxicity encountered have been valid indications that WAR should be discontinued as a treatment modality in advanced ovarian cancer at our department.

Abdomen

[CA-125 serum levels in the diagnostic and clinical approach to ovarian cancer].

The CA 124 serum level is a useful marker in monitoring epithelial ovarian carcinoma. More elevated serum levels when compared to the conventional cut-off (ie 35 U/ml), after the first surgical and/or chemotherapeutic approach, give evidence for the presence of an endocelomic and/or retroperitoneal tumour or are indicative of relapses. Also, they are well correlated with the endoperitoneal cytology pattern. Good correlation exists between the serological amount of CA 125 and tumoral mass before surgical removal whereas its efficacy in the differential diagnosis between primary ovarian tumours and metastatic disease ad well as its diagnostic specificity towards pelvic bulks, before removing them, is limited. Higher specificity seems to be obtained on increasing the cut-off threshold over 70 U/ml.

Adult

[Bilateral hydrothorax with hydromediastinum after cannulation of the left internal jugular vein].

A rare case of combined bilateral hydrothorax and hydromediastinum was encountered during Total Parenteral Nutrition (TPN) via incannulation of the left internal jugular vein in a patient with advanced cancer of the portio. The possible anatomical and technical causes of this very serious complication were investigated in order to assess the importance of specific manual technique and to supply appropriate instrumental back-up that could prevent the recurrence of this sometimes fatal complication of TPN.

Catheterization, Central Venous

Hypogastric vein ligation during oncologic surgery as thromboembolic disease prevention.

Pulmonary embolism and vein thrombosis are frequent and dangerous complications in pelvic surgery. They can be the cause of death in 0.01%-0.87%. The Authors have used, since 1973, as vein thrombosis prophilaxis (VTP): early mobilization, physiotherapy, elastic compressive stocking plus pharmacologic therapy. Since 1975, according to Heidrich and Thomas researches, they have also adopted hypogastric vein ligation (HVL) in high risk patients, because those Authors underlined a primitive responsibility of the hypogastric district (mainly the left one). The Authors mortality rate after the introduction of HVL seemed very low. However, since Jan. '86, they have divided the high risk patients in 3 group (R), in order to collect statistically significant data in the usefulness of the proposed technique.

Humans

Ovarian cancer: ten-year experience in a community hospital.

We reviewed 187 patients with epithelial ovarian cancer treated, from 1975 to 1985, at the Division of Radiotherapy and Medical Oncology, Pordenone General Hospital, Italy. It seemed of interest to report an experience carried out in a community hospital in a consecutive unselected series of patients affected by ovarian cancer. Survival time was evaluated from the day of the primary surgical approach to the end of the study (March 1985). The aim of the study was to confirm in our patient population the importance of some already recognised prognostic factors that influence survival (age, stage, histology, grade, type of surgery and residuum). We also analyzed the effect of the treatment variables chemotherapy and radiotherapy on survival. The general pattern of prognostic factors appears to be in agreement with reports in the literature. In our experience, residual disease and stage were the main important prognostic factors; grade and histology had a secondary relevance, and age did not seem to be a prognostic factor in our population. New chemotherapy regimens and/or radiotherapy did not appear to improve survival. In fact, comparison of the results obtained from 1975-1979 and from 1980-1985 (when more aggressive surgery and cisplatin-containing regimens were employed) showed no statistically significant difference in survival rate. Our data suggest that patients at an early stage can receive a satisfactory quality of care in a general hospital with oncology facilities, provided the surgeon and the pathologist are experienced in ovarian cancer. Patients at stage III but completely surgically resected can also be adequately treated. Patients with advanced disease, considering the lack of established efficacious treatments, should be referred to specialized centers, where new drugs or experimental strategies can be tested.

Adult

Intermittent pelvic arterial infusion with peptichemio, doxorubicin, and cisplatin for locally advanced and recurrent carcinoma of the uterine cervix.

The preliminary results of intraarterial chemotherapy with peptichemio, doxorubicin, and cisplatin as part of a multimodality treatment in locally advanced and recurrent cervical carcinomas are reported. Treatment consisted of a bilateral sequential infusion of peptichemio 20 mg, doxorubicin 10 mg and cisplatin 20 mg in a 6-hour period via an external infusion pump. After a rest period of 4 days, treatment restarted until maximum response or toxicity. Twenty-five patients, 12 with primary advanced (four Stage IIb, eight Stage III) and 13 with recurrent tumors were treated. All previously untreated patients obtained objective response. In particular, two patients with Stage IIb and III disease, respectively, achieved a complete response. Nine of 13 patients with recurrent disease (69%) were responsive, too, and therefore an overall objective response rate of 84% was achieved. Responses were noted after a median of five cycles of chemotherapy, whereas hematologic toxicity observed in all but one patient, was encountered after a median of four cycles. Toxicity of grade 1 and 2 was noted in 19 patients (76%), whereas of grade 3 and 4 in only 5 (20%). One treatment-related death, due to sepsis during myelosuppression, was reported. Catheter-related toxicity was noted in four patients causing femoral thrombosis in two. In one case a bypass operation was required. After intraarterial chemotherapy, all 21 responsive patients were eligible for radical surgery and 18 (86%) underwent both surgery and postoperative radiation therapy. Surgery was excluded in three patients. In these three cases radiation therapy alone was employed. In this series, the schedule of intraarterial chemotherapy employed was very effective. Patient accrual is ongoing in order to confirm the response rate so far obtained and to evaluate, with a longer follow-up, the impact of this multidisciplinary approach on local control and survival.

Adult