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Biomedical subjects

F Catalano

Publications and source records attributed to F Catalano.

At least 91 records · Page 5Linked to original sources
PubMedDate not supplied

Comparison between gastric emptying of digestible and indigestible solids in diabetic patients.

We measured simultaneously gastric emptying of digestible and indigestible solids in 10 normal subjects and in 14 insulin-requiring diabetic patients. Our results demonstrate that in both diabetics and in controls the gastric emptying of digestible and indigestible solids occurs during the same phase of gastric motor activity, i.e. during the post-prandial period. However, gastric emptying of both digestible and indigestible solids is delayed in diabetic patients compared to controls.

Adult↗
PubMedDate not supplied

[Treatment of scaphoid waist fractures by shape memory staples. Retrospective evaluation on 60 cases].

OBJECTIVES: In carpal scaphoid fractures, treatment with screws is considered the gold standard: ostheosynthesis with mini-staples is not the usual choice of treatment. The authors report a study on fractures of the middle third of the scaphoid treated by mini shape memory staples, in order to test the quality of reduction and ostheosynthesis, functional results, time of union and complications. MATERIALS AND METHODS: A retrospective analysis of 60 patients, with average age 39 years old and follow-up 36 months, was performed. Evaluation criteria were: the grade of pain, flexion-extension and pronation-supination wrist range, hand grip strength, radiographic consolidation of fractures and lateral intrascaphoid angle of flexion as described by Amadio. RESULTS: Pain was absent in 86% of the cases, the average flexion-extension range achieved was 107 degrees and the average pronation-supination range 171 degrees. Hand grip strength values achieved were comparable to those of the controlateral wrist in 85% of cases. Radiographic consolidation of the fracture was achieved in all patients within three months of surgery and the average value of the lateral intrascaphoid angle of flexion was 37 degrees. No cases of algodystrophy were observed. CONCLUSIONS: Our results show the safety and the practicality of ostheosynthesis with mini shape memory staples in fresh unstable fractures of the middle third of the scaphoid. Stable fixation, continuous compressive force on fragments and the ability to allow early active movement, are the main advantages.

Adolescent↗
PubMedDate not supplied

Porcine orthotopic liver autotransplantation: facilitated technique.

The technique of a liver autograft in the pig has three advantages: (1) It provides an excellent training model of liver transplantation, (2) it provides an experimental model for cancer research, and (3) it is more economical than liver allotransplant. We describe a facilitated technique of liver autograft, which can be employed to develop experimental models without the use of a biopump. Mean blood arterial pressure, heart rate, pH, and lactates were tested during the liver grafting and at the end of the procedure in pigs that underwent autografting of the liver and compared with pigs that underwent an orthotopic liver allotransplantation. The cell damage was assessed in the same two groups of animals by monitoring aspartate aminotransferase (AST) and alanine aminotransferase (ALT) blood levels and with the MEGX test, 15 min after the beginning of reperfusion. The surgical procedure may be divided into three parts: hepatectomy, side-to-side portocaval shunt with passive caval-jugular shunt, and reimplantation. This procedure could have a clinical indication for otherwise unresectable liver tumors.

Animals↗
PubMedDate not supplied

[Castleman disease: a clinical case report].

Castleman's disease is an enigmatic lymphoid disease of unknown etiology and has different clinical manifestations. The authors present a case of a young woman with cervical localization of Castleman disease, asymptomatic. The disease was misdiagnosed and was treated for five years as thyroiditis, diagnosis confirmed by ultrasonography, scintigraphy and cytology. The particular size of the neoformation and its constant growth leaded the authors to the surgical treatment. The thyroid was normal both macroscopically and with biopsy. The neoformation was 10 cm of diameter and covered the left side of the thyroid.

Adolescent↗
PubMedDate not supplied

Secondary carcinoma of the liver from parotid gland tumor.

Secondary tumors of the liver from primary tumors arising in organs of the head and neck are rarely diagnosed during the patient's lifetime, though they should be suspected. A case of parotid mucoepidermoid carcinoma with liver metastases, treated by liver resection, is described. The clinical features and biological behavior of this secondary tumor are similar to those of the rare primary mucoepidermoid carcinoma of the liver. This case is unique because it is such a very rare occurrence.

Carcinoma, Mucoepidermoid↗
PubMedDate not supplied

[Total versus subtotal thyroidectomy for multiple node goiter: experience with 350 surgically treated cases].

The surgical treatment of benign thyroid pathology and in particular the multinodular form is controversial. This controversy exists and one must choose either perform conservative surgical therapy such as lobectomy or sub-total thyroidectomy or total thyroidectomy. From January 1985 to July 1999, the Authors observed 534 cases of benign thyroid pathology. Of these 534, 330 were diagnosed with primitive goiter, and 20 with recurrent goiter; 13 cases of the primitive goiter type were found to have microfoci of carcinoma inside the goiter on the definitive histologic exam. There were 275 patients who underwent total thyroidectomy and the remaining 75 cases with ultrasound proven multinodular goiter were treated with lobectomy or sub-total thyroidectomy, depending on the appearance at the time of the operation as well as the macroscopic and microscopic exams of the integrity of the glandular parenchyma performed while in the operating room. The Authors demonstrated that in multinodular goiter there is a high percentage of cases with disease involving the entire gland. Many areas of apparently healthy tissue are found to be microscopically involved with a variable grade of chronic lymphocytic thyroiditis or follicular hyperplasia or even lobular dysplasia with the tendency to form nodules. These signs of disease of this organ tend to recur if not treated.

Goiter, Nodular↗
PubMedDate not supplied

Correlation between cytochrome P-450 system and liver function tests during experimental liver transplantation.

The aims of this investigation are: 1) to assess the function of the hepatocyte in transplanted porcine liver, immediately after reperfusion, by monitoring both LFTs and the MEGX levels; 2) to search for correlation between MEGX and LFTS, in an effort to evaluate the metabolic mechanisms occurring in the early liver transplantation revascularization phase. The MEGX test was found to be less than 50 micrograms/ml in all the recipients and all the LFTS tested have been reported to be out the normal range. Furthermore our data has shown a statistically significant correlationship between the MEGX values and those of alkaline phosphatase and prothrombin and a highly significant correlationship with cholinesterase.

Animals↗
PubMedDate not supplied

[The surgical treatment of liver metastases from colorectal carcinoma: our experience].

Data from twelve patients who had hepatic resections for colorectal liver metastases were retrospectively analyzed to determine: 1) whether the use of the ultrasonic surgical dissector and the Argon laser can significantly simplify major hepatic resections and decrease both perioperative blood loss and postoperative morbidity and mortality, and 2) whether an adequate patients selection for surgery can effectively determine an improvement in recurrence rate. We performed 4 bisegmentectomies (2 of V and VI; 2 of VI and VII); 1 trisegmentectomy (V, VI, VII); 2 left lobectomies; 1 right hepatectomy and 4 wedge resections, using both the ultrasonic surgical dissector to fractionate and aspirate the hepatic parenchyma and to clear major vascular and biliary structures and the Argon laser for the coagulation of minor vascular and biliary vessels. The resected metastases averaged 5.5 cm (range: 1.5-7.5); blood transfusion requirements were significantly reduced from previous reports, averaging only 1.25 units (range: 0.3); the average operative time was 238 minutes (110 to 420 minutes). There were no operative deaths, operative morbidity rate was 16.6. The results indicate that the ultrasonic surgical dissector and the Argon laser have made a significant contribution to our marked decrease in the average blood loss and transfusion requirement. The long-term results seems to be improved by an adequate patients selection.

Aged↗
PubMedDate not supplied

[Systemic neoadjuvant chemotherapy in locally advanced gastric carcinoma: phase II study with 5-fluorouracil, epirubicin and etoposide].

Locally advanced gastric adenocarcinomas have a poor prognosis, particularly when the tumours are bulky, located in the cardia or when they present local/regional lymph node involvement. Neoadjuvant chemotherapy for locally advanced gastric cancer is an experimental treatment strategy that may increase resectability and improve survival in patients suffering from an almost uniformly fatal neoplasm. At our institution 11 patients younger than 70 years of age in good physical and mental condition with non-resectable adenocarcinomas of the stomach as determined by endoscopy, computed tomography scans and pathology examinations, were treated with combination chemotherapy [5-fluorouracil (375 mg/m2 i.v. for 5 days, epirubicin (60 mg/m2 i.v. on day 1), etoposide 80 mg/m2 on days 1, 2 and 3, leucovorin 100 mg/m2 for 5 days] every 4 weeks as neoadjuvant chemotherapy. The response to chemotherapy was evaluated after three courses. After three courses, we had one complete response, 8 partial responses or stable disease, and no response in two cases. One patient was still alive 36 months postoperatively. These preliminary results suggest that this protocol is an effective form of neoadjuvant chemotherapy for locally advanced gastric carcinoma.

Adenocarcinoma↗
PubMedDate not supplied

Long-term results after a low anterior resection with mucosectomy and colo-anal sleeve anastomosis for a diffuse cavernous haemangioma of the rectum.

Diffuse cavernous hemangioma of the rectum is an unusual lesion. We reporting the case of an 18-year-old man with a rectal cavernous hemangioma in whom recurrent rectal bleeding and marked anemia were thought to be caused by his co-existing internal hemorrhoids. This resulted in a 2-year delay in reaching the correct diagnosis. Digital rectal examination revealed a walnut-sized, wide-based, elastic, soft mass 3 cm proximal to the anal verge. Colonoscopy revealed a bluish, submucosal lesion with superficial capillary dilatation at the same site. Arteriography demonstrated vascular tumours in the territory of the right hypogastric artery and the superior rectal artery. In 1972, Parks and co-workers described resection and colo-anal sleeve anastomosis as an alternative operation in the treatment of this rare malformation. We will describe the clinical presentation, diagnosis, and long-term results in a patient with this condition managed with this surgical technique. The patient has done well without any recurrence of rectal bleeding for over 10 years since his operation. Resection with a colo-anal sleeve anastomosis offers major advantages such as a lower risk of intraoperative bleeding, no risk of damaging the pelvic nerves, sparing of continence and avoidance of a permanent colostomy. It should therefore be considered the treatment of choice for this uncommon condition.

Adolescent↗
PubMedDate not supplied

Recurrent hernia of Petit's triangle: a case report.

The Authors describe a case of recurrent hernia of Petit's triangle in a 43-year-old man. The most salient feature of lumbar hernias is the difficulty of their treatment. Numerous, more or less complex techniques have been proposed for the repair of lumbar hernias. The classic procedure is that of Dowd (1907). Repair in this case consists of a flap of fascia and aponeurosis from the gluteus medius muscle which is elevated and rotated to cover the defect. Many modifications of this technique have been proposed. The modern prosthetics mesh materials allow a tension-free repair of lumbar hernias without distortion of the normal anatomy. Correct placement of a prosthetic mesh is relatively simple. Recurrences are due not to the material used, but to patches which are too small or too tight.

Adult↗
PubMedDate not supplied

[Acute hemorrhage secondary to gastric ulcer. Results of emergency endoscopic treatment in 775 cases].

The aim of this study was to investigate the effects of endoscopic injection therapy on the clinical outcome of patients with gastric ulcer bleeding. Seven hundred and seventy-five patients with gastric ulcer bleeding were observed over a 10-year period (January 1990 to May 2000) in the First Division of General Surgery of the University of Verona. The prognostic and therapeutic implications of endoscopic treatment of acute severe gastrointestinal bleeding were analyzed on the basis of medical history and clinical and endoscopic findings. The ulcers were classified according to Forrest's classification of bleeding activity. Endoscopic therapy was performed in 500 patients with active bleeding. Haemostasis was initially obtained in all patients except one. Rebleeding occurred in 13%. All these patients were treated endoscopically at the first attempt. Multivariate analysis revealed that recent surgery, ulcer site and Forrest classification independently influenced the recurrence rate. The mortality of the entire cohort studied was 8.1%. Only 31 patients (4%) underwent surgical treatment with a higher mortality compared to unoperated patients (19.3% vs 7.7%). Endoscopic treatment is a safe procedure with a low mortality and cost, and, if successful, substantially reduces the need for emergency surgery.

Acute Disease↗