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Biomedical subjects

R Giudicelli

Publications and source records attributed to R Giudicelli.

At least 19 recordsLinked to original sources

[Bronchial cancer associated with atheromatous arteriopathy. Prognostic and therapeutic consequences in pulmonary excision].

Between January 1980 and January 1985, 462 consecutive patients underwent lung resection for bronchogenic carcinoma. Eighty of these patients (17.3 percent) had atherosclerosis involving mainly the coronary arteries (40 percent). The mortality rate was significantly higher in patients with atherosclerosis (10 percent) than in those without it (4.7 percent), but the long-term survival was not affected with the presence of atherosclerosis. The lung carcinoma-atherosclerosis association raises two problems: what investigations should be carried out in this group of patients at risk, and what treatment should be given priority when vascular lesions are present and likely to become complicated by pulmonary surgery? However, the presence of atherosclerosis should not lead to a re-evaluation of the need for lung resection.

Adult

[Castleman's disease. An intrapulmonary isolated form with fissural exteriorization].

We report a well-documented case of Castleman's disease which embodied all the main features of its localized forms, those most frequently described in the literature. This case was particular by its unusual intrapulmonary location and its intra-fissural development, which explains why the diagnosis was not considered preoperatively. A review of the literature showed that beside the localized forms of Castleman's disease multifocal forms have recently been reported; these have a much poorer prognosis, and their treatment has not yet been established.

Adult

Double-lung transplantation for cystic fibrosis. The Cystic Fibrosis Transplant Study Group.

One hundred twenty cystic fibrosis patients were accepted for transplantation. Twenty-five patients underwent double-lung transplantation. Twenty-five patients died awaiting transplantation (20.6%). There were 13 female and 12 male patients. Their mean age was 28 years (range, 7 to 34 years), and mean percentage ideal body weight was 76% (range, 58.5% to 91.9%). Most patients were hypoxic and hypercarbic. Two patients underwent tracheal anastomosis, 15 had en bloc bronchial anastomoses, and 8 had sequential single-lung transplants. Operative mortality was 16%; all deaths were related to bleeding from extensive adhesions. Actuarial survival at 1 year was 64%. Rejection and infection were frequent during the first month and decreased thereafter. Airway complications occurred in 5 patients but were amenable to laser therapy and stenting. We conclude that double-lung transplantation is an acceptable modality for the treatment of cystic fibrosis patients with end-stage lung disease. It may be a better alternative to heart-lung transplantation considering the paucity of thoracic organ donors.

Adolescent

Treatment of thymomas. A report of 67 cases.

From 1979 to 1989, 126 patients were treated for thymic tumors. Of these, 67 (53%) had thymomas occurring in 27 men and 40 women; the mean age was 46 years: 24 patients had no symptoms and myasthenia gravis was present in 21 cases. A complete resection was performed in 45 patients, associated in 22 with postoperative adjuvant treatment (radiotherapy, 2; radio- and chemotherapy, 20). Two patients had a partial resection followed by radiotherapy and chemotherapy. Twenty patients had initially only a biopsy and were treated by irradiation in 3 cases, radio- plus chemotherapy in 16, radio- plus chemotherapy and subsequent resection in 1 case. The staging was carried out according to the GETT Classification (stage I A:26; I B:6; II:12; III A:1; III B:18; IVA:4). Thymomas were found to be of predominant epithelial type in 12 cases, predominantly lymphocytic type in 9, and mixed in 46. No recurrence occurred after complete resection. The overall 10-year survival was 71.1%. A good correlation was found according to staging: 96% in stage I; 80% in stage II; 35% in stage III. Presence of myasthenia gravis did not affect the results. The best prognostic factor remains complete resection with postoperative radiotherapy to prevent recurrences. The role of adjuvant chemotherapy needs further evaluation.

Adolescent

[Non-malignant esophagotracheal fistulas in adults. Experience with 35 cases].

Esophagotracheal fistula always constitutes a serious, life-threatening complication. Fistulae occurring during medical intensive care with mechanical ventilation are currently the most frequent. Their diagnosis was strongly suspected by clinical examination of the patient, but was always confirmed by endoscopy which revealed their exact site in relation to the vocal cords or carina, essential information for the choice of incision when it is decided to perform surgery. Twenty-five patients were treated medically. Treatment was always combined with gastrointestinal resting, control of gastro-oesophageal reflux and broad-spectrum systemic antibiotics. There were 19 deaths and 6 fistulae closed spontaneously. Three of these 6 patients developed a secondary tracheal stenosis, 2 of which were treated surgically by resection-anastomosis. Ten fistulae were closed surgically with a good long-term result. The indication for surgery was essentially based on the patients general and infectious status and on his or her respiratory autonomy. Technically, we always combined direct suture of the two organs with interposition of muscular or pleural tissue.

Adult

[Ectatic tumoral thrombosis of the superior vena cava revealing thyroid cancer].

Microscopic angio-invasion by carcinoma of the thyroid is known. Extension into the great veins is much more uncommon. Most of the cases which have been previously described were discovered on post-mortem examination. We report the case of a 55 year-old woman who was found to have an asymptomatic small cervical goiter 6 years ago; during the last 12 months she developed superior vena cave (SVC) syndrome radiological investigation (angiography, CT scan) and surgical exploration showed a carcinoma of the thyroid with intraluminal extension of the tumor leading to thrombosis and ectasia of the SVC. Surgery was performed with resection of the whole thyroid, the SVC and the innominate veins. A double prosthetic venous by pass was then inserted between the innominate veins and right atrium. Five years after resection, the patient has no recurrence or metastasis and no clinical symptom of SVC syndrome. To our knowledge, this is only the third reported case successfully treated by surgery.

Angiography

[Results of surgery of non-small cell primary bronchial cancers. Retrospective analysis of 452 resections].

Data from 452 patients who underwent pulmonary resection for a non small cell bronchogenic carcinoma from 1980 to 1985 were analysed retrospectively. The operative mortality rate was 5.5%. Mortality was significantly increased in patients who underwent enlarged resections for T4 tumors (20%; p < or = 0.05), and in patients who were 70 years and older (12.8%; p < or = 0.05). The overall 5-years survival rate was 32.7% at 5 years. Prognosis in patients who were 70 years and older was similar to that in younger patients. No difference in survival was observed in patients with lymph node metastases with regard to the operative procedure (pneumonectomy versus lobectomy). Survival in patients without lymph node metastases who underwent a lobectomy was similar to those who underwent a conservative resection. Prognostic significance of the histologic cell type and the tumor formula (pTNM) was assessed by multivariable analysis. There were statistically significant differences between squamous cell carcinoma and both adenocarcinoma (p < or = 10(-5)) and undifferentiated carcinoma (p < or = 0.01). This study confirmed the validity of the TNM classification (4th ed) for the accurate prognosis evaluation. Lymph node involvement appeared to be the most pejorative factor (p < or = 10(-5)).

Adult

[Extrapancreatic hypoglycemic tumors. Apropos of a case of pleural fibrosarcoma].

The authors report a case of pleural fibrosarcoma associated with severe hypoglycaemia. Chromatography of the patient's serum and tumour fragments revealed a substance with a high molecular weight and an insulin-like activity. Professor Poffengarger's laboratory identified this substance as Non Suppressible Insulin-Like Protein or NSILAp which induces insulin-like effects on various tissues. A review of the literature is presented in the light of this case.

Adult

[Ectatic tumoral thrombosis of the superior vena cava revealing thyroid cancer].

Microscopic angio-invasion by carcinoma of the thyroid is known. Extension into the great veins is much more uncommon. Most of the cases which have been previously described were discovered on post-mortem examination. We report the case of a 55 year-old woman who was found to have an asymptomatic small cervical goiter 6 years ago; during the last 12 months she developed superior vena cave (SVC) syndrome radiological investigation (angiography, CT scan) and surgical exploration showed a carcinoma of the thyroid with intraluminal extension of the tumor leading to thrombosis and ectasia of the SVC. Surgery was performed with resection of the whole thyroid, the SVC and the innominate veins. A double prosthetic venous by pass was then inserted between the innominate veins and right atrium. Five years after resection, the patient has no recurrence or metastatis and no clinical symptom of SVC syndrome. To our knowledge, this is only the third reported case successfully treated by surgery.

Carcinoma

[Prolonged epidural analgesia following thoracotomy. Clinical study and serum levels over five days].

Prolonged continuous epidural analgesia allows perithecal infusion with fentanyl and bupivacaine for 5 postoperative days after thoracic surgery. This study included 27 thoracotomized patients randomised into two groups: group X consisted of 15 subjects, group Y consisted of 12 subjects. Each patient received 33 micrograms/hr or fentanyl for 48 hours, associated with 0.25% bupivacaine in group X, and 0.125% bupivacaine in group Y. Over the three last days, the infusion rate of both drugs was decreased in the two groups. No significant clinical difference appeared between X and Y. No clinical respiratory depression occurred. In group Y, mean plasma bupivacaine concentrations remained significantly lower (p less than 0.05). Mean fentanyl levels did not increase beyond 0.8 ng/ml. The use of 0.125% bupivacaine improved the margin of safety but did not impair clinical analgesia in the study. This method provides good analgesia for thoracotomized patients.

Adult

Inoperable nonmetastatic squamous cell carcinoma of the esophagus managed by concomitant chemotherapy (5-fluorouracil and cisplatin) and radiation therapy.

Thirty-five patients with nonmetastatic squamous cell carcinoma of the esophagus were treated with chemotherapy (5-fluorouracil, cisplatin) and concomitant split-course radiation therapy. All of the patients presented with dysphagia. Treatment consisted of two courses of chemotherapy with 5-FU (1 g/m2/day in continuous infusion for 5 days [days 1 to 5 and days 29 to 33] ) and cisplatin (70 mg/m2 intravenous bolus at days 2 and 30). Radiation therapy was concomitant in two courses delivering 20 Gy in 5 days (days 1 to 5 and days 29 to 33). On the first day of treatment, endoscopic peroral dilation or Nd-YAG laser therapy was usually carried out. At the end of the treatment, all of the patients were capable of oral nutrition. Histoendoscopic confirmation was made 8 weeks after the beginning of the therapy. Twenty-five of the 35 patients had a complete response with negative biopsy findings. There was only one serious complication (fatal myelosuppression) in the only patient who received more than two courses of chemotherapy. Sixteen patients died and 19 were still alive at 3 to 42 months after the beginning of treatment. Overall median survival for the 35 patients is 17 months. Actuarial survival was 55 +/- 18% at 1 year and 41 +/- 21% at 2 years. The median survival of the Stage I and II patients is 28 months. These results confirm that concomitant chemoradiotherapy is capable of producing a very high histoendoscopic complete response rate and improved 1-year and 2-year survival. The use of concentrated split-course radiotherapy enabled the authors to reduce the total length of the treatment to two periods of 5 days, with results that are similar to previous studies using classic radiotherapy for a 5-week to 7-week period.

Adult

[Approaching the posterior wall of the aortic arch. Temporary division of the innominate artery].

Two cases of wound affecting the posterior wall of the aortic arch are reported. One wound occurred during mediastinoscopy, the other was caused by a bullet. During surgery under extracorporeal circulation, the approach and repair of the wounds was greatly facilitated by temporary division of the innominate artery: the ascending and horizontal portions of the aorta could be tilted to the left, giving a very satisfactory access to the posterior wall of the arch. The innominate artery was easily repaired, without neurological complications. The authors insist on the convenience of this technique to approach not only the aortic arch but also various mediastinal organs, such as the tracheal bifurcation, the right branch of the pulmonary artery and the roof of the left atrium.

Adult

[Gastric esophagoplasty in the treatment of cancer of the esophagus].

Between March 1982 and December 1987, 112 patients with oesophageal cancer were treated by gastroplasty following oesophagectomy to restore gastrointestinal continuity. This technique was used in all oesophageal cancers regardless of their site, with the exception of paryngo-oesophageal and oesophago-cardio-fundal cancers. The overall mortality of 12.5% fell to below 6% during the last two years. The postoperative course was straightforward in 54.5% of cases. The most frequent complications were respiratory tract complications (19 cases of ARDS out of 112 patients, i.e. 17%) and fistulae at the oesophago-gastric anastomosis (9 cases out of 112, i.e. 8%). The secondary complications were dominated by anastomotic stenoses (19/98, i.e. 19.3%).

Adult

[Gastroesophageal reflux and respiratory manifestations: diagnostic approach, therapeutic indications and results].

The authors report a study of 140 patients presenting with a non-allergic respiratory tract disease (121 cases of asthma--19 cases of spasmodic cough). Gastro-oesophageal reflux was detected by 24-hour pHmetry in 86 of these patients. In 34 of them (i.e. 40% of cases), the gastro-oesophageal reflux appeared to be responsible for the initial respiratory tract symptoms. These 34 patients were submitted to a therapeutic trial of high dose anti-H2 therapy for at least two months. Only those patients in whom a marked improvement or even complete resolution of the respiratory tracts symptoms was observed underwent anti-reflux surgery. Out of the 13 patients undergoing surgery, there were two failures and 11 good results after a follow-up of more than 18 months.

Asthma

[Surgical treatment of benign laryngotracheal stenosis. Apropos of 12 cases].

The authors report a series of twelve benign laryngotracheal strictures. In almost every case, these lesions were secondary to tracheal intubation and consisted of extensive, circumferential and almost complete stenosis. All were treated surgically. The authors obtained enlargement of the airway be means of an interposed cartilaginous graft and an intraluminal prosthesis which was left in place. In nine cases, this procedure was combined with posterior cricotomy. One eight month old infant died during the postoperative period. Ten patients had an uneventful postoperative course with a satisfactory anatomical and functional result.

Adolescent

[Inoperable cancer of the esophagus: preliminary results of combined chemotherapy (5-fluorouracil-cisplatin) and radiotherapy].

The aim of this study was to appreciate the tolerance and efficacy of a new nonoperative therapy for inoperable esophageal squamous cell carcinoma based on chemotherapy (5FU-cisplatinum) and concomitant splitcourse radiation therapy. Twenty five symptomatic patients (24 males, 1 female, mean age: 59 yrs, range: 41-72 yrs) were included. Five had 2 esophageal carcinoma, 5 an associated upper respiratory tract tumor and 2, relapse after surgery. Nine patients had a tumor limited to the esophagus (stage I or II) but were considered at high surgical risk. Sixteen had stage III disease with mediastinal involvement in 13 cases, nodal involvement in 4 and distant metastasis in 7. Treatment consisted of 2 cycles of chemotherapy with 5-FU (1 g/m2/24 h by continuous infusion for 5 days, D1-D5 and D29-D33) and cisplatinum (70 mg/m2 IV bolus on D2 and D30). Radiation therapy was concomitant in 2 courses delivering 20 grays in 5 days (D1-D5 and D29-D33). On the first day of the treatment, peroral endoscopic dilation or Nd-YAG laser therapy was applied. At the end of treatment all the patients could eat. Histoendoscopic control was performed 8 weeks after the beginning of therapy. Seventeen of the 24 patients had a complete response with negative biopsies. Of the 7 patients with metastatic disease, only 4 were evaluable for response to chemotherapy: one with hepatic metastasis had a complete response for 12 months, 2 had stable disease and one progressive disease.(ABSTRACT TRUNCATED AT 250 WORDS)

Adult