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Biomedical subjects

A Kartheuser

Publications and source records attributed to A Kartheuser.

At least 37 records · Page 2Linked to original sources

[Anal surgery in Crohn disease].

For twenty years, opinions concerning local surgery of anal lesions in Crohn's disease have changed in practice and in the literature. We have reviewed 209 patients, usually in remission of disease, with at least 6 months' follow-up, who underwent local surgery for various anal lesions from 1974 to 1992. In this study, our indications and results are discussed and compared to the literature. Results of partial haemorrhoidectomy are successful. In anorectal stenosis, with rectal involvement, surgery improves the symptoms and can avoid or delay proctectomy. Results of surgery for simple fistulas appear to be identical in cases with or without Crohn's disease. In complex and suprasphincteric fistulas, seton management improves chronic suppuration, occasionally cures the lesion and reduces the number of tracts. After seton drainage, transanal rectal advancement flaps can be performed, but the results of this procedure have yet to be confirmed.

Anus Diseases↗

[Ileo-anal anastomosis in hemorrhagic-ulcerative rectocolitis and familial adenomatous polyposis: is it mandatory to perform resection of the endo-anal mucosa?].

The aim of this study was to assess the clinical outcome after ileal pouch-anal anastomosis with mucosectomy for ulcerative colitis and for familial adenomatous polyposis, and to characterize the histology of the stripped endoanal mucosa with particular reference to the ulcerative colitis activity, adenomatous polyps and dysplasia. Twenty-eight patients were operated, 16 for ulcerative colitis (group I) and 12 for familial adenomatous polyposis (group II). In group I, there were no intraoperative complications, but mucosectomy was tedious in 10 patients (62%) and the anastomosis was performed under some degree of tension in 10 patients (62%). In group II, there was a direct injury of the internal sphincter by a posterior tear during the mucosal stripping in one case. Mucosectomy was easy to perform in 8 patients (67%) and 10 anastomoses (84%) were performed under tension. In both groups, there were no postoperative complications related to the mucosectomy or to the anastomosis itself. Functional results were good, with a normal continence in 80% of ulcerative colitis patients and 92% of familial adenomatous polyposis patients. Review of histological sections of the stripped anal mucosa in group I showed chronic active ulcerative colitis in 8 patients (50%), chronic non-active ulcerative colitis in 4 (25%) and quiescent ulcerative colitis in 4 (25%). There was only one case of moderate dysplasia in a patient with a Dukes A carcinoma. In group II, anal mucosa showed micropolyps in all cases with mild dysplasia in 3 cases (25%) and moderate dysplasia in 9 (75%).(ABSTRACT TRUNCATED AT 250 WORDS)

Adenomatous Polyposis Coli↗

[Treatment of deep anal fistulas using a flap from the rectal wall].

Classic treatment of high anal fistulas by the laying open technique requires total or subtotal section of the sphincter muscles and results in anal incontinence. This study assesses the efficacy of the flap advancement technique in these cases. It entails the resection of the crypt at the origin of the fistula, the area being covered by a mucomuscular flap of the rectal wall. From 1977 to early 1992, 18 patients (13 female and 5 male patients; mean age: 40 years) presenting with a deep anal fistula underwent such an operation. There were 16 suprasphincteric and 2 high transsphincteric tracts. Associated IBD was noted in 7 cases (5 Crohn's colitis, 2 UC). Five fistulas were of obstetrical origin. In 8 cases, patients had undergone previous surgical treatments without success. All patients had a flap advancement. In 2 cases, a colostomy had been previously carried out. Two more diverting stomies were performed (combined abdominal procedures). No mortality or morbidity was encountered. Mean postoperative stay was 8 days. Current status could be established in all patients. Three immediate failures were observed (1 case of Crohn's disease, two recurring cases). All the other patients did well with persistent healing of the fistula after a mean follow-up of 61 months (range, 6-150). Three stomies were closed; one patient delayed the procedure. Functional results were excellent. In the "success" group, all the evaluable patients (14/15) had normal fecal continence. Two female patients are still complaining of mild flatus incontinence. In the failure group, the preoperative anorectal function was maintained.(ABSTRACT TRUNCATED AT 250 WORDS)

Adult↗

Function of ileal J pouch-anal anastomosis in patients with familial adenomatous polyposis.

Pouch function after proctocolectomy and ileal J pouch-anal anastomosis was assessed at 1 and 5 years in 41 patients with familial adenomatous polyposis. The mean(s.d.) stool frequency per 24 h decreased from 4.4(1.7) to 3.9(1.8) (P < 0.05), the mean(s.d.) nocturnal stool frequency fell from 0.6(1.0) to 0.3(0.6) (P < 0.05), and the number of patients having nocturnal bowel movements decreased from 16 to seven (P < 0.05). At 5 years, only one patient still followed a strict diet (versus ten at 1 year, P < 0.05) and only two needed antidiarrhoeal medication (versus ten at 1 year, P < 0.05). There were no episodes of pouchitis or late reservoir-related complications. The function of ileal pouch-anal anastomosis improves over time in patients with familial adenomatous polyposis.

Adenomatous Polyposis Coli↗

Secondary proctectomy and ileal pouch-anal anastomosis after ileorectal anastomosis for familial adenomatous polyposis.

Conversion of ileorectal anastomosis to ileal pouch-anal anastomosis (IPAA) was indicated in 29 patients with familial adenomatous polyposis but technically impossible in three because of unsuspected pelvic desmoid tumours. There was no operative mortality and overall postoperative morbidity and late complication rates were no different from those in a group of 120 patients who underwent IPAA as a first operative procedure. Unsuspected adenocarcinoma (one invasive, three in situ) was found in four patients. The functional results in patients with IPAA did not differ from those of ileorectal anastomosis before conversion or from those obtained after IPAA as a first-choice procedure. Secondary proctectomy and IPAA can be safely offered to patients with ileorectal anastomosis and a high risk of rectal cancer.

Adenomatous Polyposis Coli↗

Operation and abdominal desmoid tumors in familial adenomatous polyposis.

Abdominal desmoid tumors (ADT) have become an important problem because of the increased survival of patients with familial adenomatous polyposis (FAP). Of 240 patients operated upon for FAP between 1978 and 1991, 29 (16 men and 13 women) had ADT. Diagnosis was made at laparotomy in 19 patients, while an abdominal mass or intestinal obstruction was the principal cause of discovery in the ten remaining patients. Twenty ADT were discovered after a previous laparotomy performed an average of three years earlier. Nine ADT occurred in 146 patients who had previously undergone a coloproctectomy and ileal pouch-anal anastomosis and eight occurred in 74 patients who had abdominal colectomy and ileorectal anastomosis. Desmoid tumors were responsible for eight instances of intestinal obstruction and one instance of small intestinal perforation. One death was directly related to ADT. In four of nine patients, ADT was responsible for a deterioration of the functional results of ileoanal anastomosis, but pouch removal was not necessary. Conversion of ileorectal anastomosis to ileoanal anastomosis and excision of carcinomas that occur in the residual rectum after ileorectal anastomosis were impossible because of ADT in three and two patients, respectively. Complete surgical removal of the tumor was possible in seven patients only and four patients had a recurrence. None of the medical therapies used (sulindac, tamoxifen and chemotherapy) were effective. The results of this study confirm the high incidence, severity and absence of effective treatment of ADT in FAP. Desmoid tumors occurring after ileorectal anastomosis seem to be more severe than after ileoanal anastomosis because, in the former instance, they may interfere with the further management of the rectal stump.

Abdominal Muscles↗

Acute localized diverticulitis: optimum management requires accurate staging.

Between 1977 and 1989, 151 patients were treated in our institution for acute sigmoid diverticulitis. Thirty-one patients were operated on for diffuse peritonitis, and were excluded from the study. One hundred twenty patients had localized disease. There were 59 men and 61 women, with a mean age of 60 years (range, 30 to 87 years). Thirteen were under 40 years of age. A "phlegmonous" diverticulitis (no pericolic abscess) was diagnosed in 78 cases (group I). A pericolic abscess was identified in 42 cases (group II). The medical treatment was successful in 97% of the patients of the group I. Only 15 patients required a delayed elective resection for recurrence or chronic complications, within the next 24 months. There were no operative deaths. All the other patients were doing well after a mean follow-up of 5 years (9-144 months), without any disease-related death. Patients presenting with a localized pericolic abscess (group II, n = 42) were initially treated either conservatively (n = 22) or by a more or less extensive drainage (n = 20). There were two deaths in the "conservative" group. Primary or delayed colonic resection was indicated in 34 cases because of uncontrolled sepsis, recurrence or secondary chronic complications. It is concluded that accurate classification of the disease is essential. If no peritonitis has developed, the presence of an abscess is the main determinant in both prognosis and treatment. Most patients who develop an acute phlegmonous diverticulitis do well with conservative treatment, and prophylactic resection is not indicated. Curative colectomy is reserved for patients developing persistent complications over the next few months.(ABSTRACT TRUNCATED AT 250 WORDS)

Abscess↗

[Trans-laparoscopy surgery, a passing fashion or progress?].

Since the first laparoscopic cholecystectomy performed in 1987 by Philippe Mouret in Lyon (France), there has been a real revolution in the field of visceral surgery: more and more operations are performed by this mini-invasive surgical method: lithiasis of the common bile duct, Nissen and Heller procedure, truncal vagotomies, abdominal and thoracic, supra-selective vagotomies, hernia, appendectomy, band sections during intestinal occlusion, resection of the colon and rectum, oesophagectomies ... In Belgium, more than 3,000 cholecystectomies have been listed in a national registry in which the modalities and complications of this laparoscopic approach have been scrutinized. During the years to come, there will be an important technological development which will make this procedure easier, safer and quicker. Consequences of this new approach cannot completely be foreseen but there are some drawbacks: possible simplification of well established surgical techniques in order to facilitate the laparoscopic approach, causing a deterioration of the long term results, teaching and training difficulties for young and older surgeons, very costly equipment.

Cholecystectomy, Laparoscopic↗

[Collis's operation for brachyesophagus. (49 patients)].

The results of infradiaphragmatic Collis' gastroplasty for the treatment of gastroesophageal reflux associated with acquired short brachyesophagus (Barrett's esophagus) were prospectively studied in 49 patients (50 operations). Clinical and endoscopic findings, and 3-hour postprandial pH measurement including Kaye's score were evaluated at short (3 to 8 months), medium (1 to 4 years), and long-term (more than 4 years) for all patients. Postoperative morbidity was 16 percent; there were 3 deaths (6 percent). Short term results, evaluated in 45 patients, were considered satisfactory in 30, poor (pyrosis and esophagitis) in 2, and incomplete (pyrosis without esophagitis in 2, dysphagia in 5, mild esophagitis in 6) in 13. Long term results (32 patients) were satisfactory in 24, poor in 5, and incomplete in 3 (pyrosis without esophagitis in one, gastric outlet disorder in 2). Long term pH measurements were obtained in 21 patients: 3 out of 6 patients with high scores had clinical or endoscopic signs of esophagitis. Analysis of late results showed that: a) satisfactory short term outcome was maintained in all but 2 patients (deterioration was observed in one patient 4 years later because of aggressive treatment for terminal bronchopulmonary carcinoma; the other was observed 5 years later after steroid therapy for aspergilloma with severe asthma); b) pH scores were variable in 11 patients. This variability and discordance of pH measurements was most likely due to the presence of acid secretion above the new esogastric junction, which was observed in half of the cases. We conclude that Collis' gastroplasty provided good results in Barrett's esophagus and might be compared to duodenal diversion in ulterior studies in this setting.

Adolescent↗

[Esophagorespiratory tract fistula treated by primary suture. Apropos of 2 cases of esophago-pleural fistula and 2 cases of esophagobronchial fistula].

We describe two oesophago-pleural fistulas arriving respectively 40 months and 15 years after pneumonectomia, and two oesophago-bronchial fistulas due to perforated oesophageal diverticula. We evaluate diagnostic methods and discuss etiology of these oesophageal fistulas. Pleural fistulas treatment associate thoracic drainage, direct surgical treatment of the fistula with primary suturing of oesophagus. For oesophago-bronchial fistula treatment, we have made pneumonectomia one time and primary bronchial suturing another. In these two cases, oesophagus was only sutured without pleural or muscular flap. Transient alimentary gastrostomy was made. No fistula recidive of postoperative complication occurred. There is no operative mortality.

Adult↗

[Must we reject primary colostomy in left colonic obstruction caused by cancer?].

Treatment of left colonic cancer obstruction is not still clear. Many procedures can be done, simple decompressive colostomy by a local incisionnal way to subtotal colectomy with primary anastomosis. What can we do today? Retrospective study from 1983 to 1988 at Centre de Chirurgie Digestive de l'Hôpital Saint-Antoine (Paris) with 36 datas was done. The emergency treatment was 20 decompressive colostomies, 10 primary resections without anastomosis, 2 subtotal colectomies with ileo-sigmoid primary anastomosis, 2 left colectomies with primary anastomosis (2 with decompressive colostomy, one without) and one Hartmann procedure. One patient is dead after decompressive colostomy. After emergency decompressive colostomy, 16 patients (80%) were reoperated for colonic cancer resection, with suppression of the stomy fifteen times. There were 7 extra abdominal complications and 3 stomy complications (2 incisionnal hernias after closure of the stomy and one prolapse of a definitive colostomy). After emergency primary resection without anastomosis, 9 patients (90%) were reoperated for secondary anastomosis. Morbidity was 3 extra abdominal complications. The mean hospital stay was 28 days for these 2 groups. For all the patients with primary or secondary anastomosis there was no anastomotic leak. Decompressive colostomy as emergency procedure for left obstructing carcinoma is simple, efficiency and safe. It can be associated with low mortality and morbidity. To day, we still recommend this procedure.

Adenocarcinoma↗

[Fistulas of the 3rd and 4th branchial clefts].

The third and fourth branchial fistulas are exceptionally rare; both originate from the pyriform sinus, extend through the inferior constrictor of the pharynx and cross either the upper or the lower aspect of the superior laryngeal nerve, downwards and frontwards. Like the more common first and 2nd branchial fistulas, a cervical abscess is the usual consequence of these fistulas which should be treated by radical excision.

Branchioma↗

Endorectal ultrasonography for staging small rectal tumors: technique and contribution to treatment.

Thirty-one tumors, lying in the lower two-thirds of the rectum and possibly suitable for local excision, were analyzed by endorectal ultrasonography (EUS) using the Aloka scanner SSD 520. There were 18 sessile villous adenomas (group I) and 13 invasive cancers 3 cm or less (group II). Preoperative endosonographic staging (uT, uN stages) was compared with the histologic analysis of the specimens (pT, pN) and the possible contribution to therapy was evaluated. In group I, the depth of tumor infiltration was accurately assessed in 89% of cases. Malignant transformation was suspected in 4 cases (uT2) and confirmed postoperatively in 3 cases. In group II, the extent of the tumor was correctly evaluated in 84% of cases. With regard to the overall differentiation between T1 and T2/T3 tumors on one hand, and between T1/T2 and T3 lesions on the other hand, the positive predictive values were 93.3% and 100%, respectively. The negative predictive values were 93.7% and 92.8%. In group II the search for regional lymph nodes was positive in 4 cases and negative in 9 cases. An accuracy rate of 82% (sensitivity 75%, specificity 85%) was estimated by analysis of the specimens and postoperative follow-up. The exact performance could not be evaluated because a radical resection was not carried out in most cases. EUS was useful for planning the treatment of villous adenomas. A board full-thickness excision was carried out without delay for the four uT2 villous tumors, allowing safe margins to be obtained in all cases. Using EUS the choice of local excision was questioned for six small invasive cancers (uT3 and/or uN+), although radical resection was carried out for only two. As high sensitivity could not be achieved when detecting lymphatic metastasis, the choice of limited surgery based on EUS staging requires strict postoperative follow-up.

Adenoma↗

Survival of rectal cancer patients in Belgium 1997-98 and the potential benefit of a national project.

BACKGROUND: PROCARE, a Belgian multidisciplinary project on rectal cancer (RC), will be launched in 2006. Guidelines have been developed, but remain to be implemented. AIM: A population-based study on RC treatment and outcome in Belgium and comparison with recent international benchmarks in order to better define targets that should be reached. PATIENTS AND METHODS: Anonymous data of 3079 patients with rectal cancer registered in the National Cancer Registry in 1997 and 1998 were analysed. Observed (OS) and relative survival (RS) were compared with figures from nationwide projects and multi-centre studies. RESULTS: The 5-yr OS and RS were 46.6% and 58.5%, respectively. For patients with stage I-III tumours 5-yr OS was 57.1% and 5-yr RS 70.1%. Adjuvant or neo-adjuvant treatment was given in 54.8% stage II-III patients who were < 70 years old. There were marked differences between the provinces in the use of radiotherapy for stage II-III patients and in 5-yr RS for all stages. In stage IV, the median OS was 13 months and the 2-yr OS was 28%. Comparison with recent multi-centre trials indicates significant potential benefits from the PROCARE project: an absolute increase of the 5-yr OS by 10 to 20% after chemoradiotherapy and TME in stage II-III patients 75 years old or less, a 7-month increase of the median OS and an absolute 15% increase of the 2-yr OS in unresectable stage IV patients with combined chemotherapy. CONCLUSION: Significant improvement seems to be achievable. Implementation of the PROCARE guidelines with quality assurance through prospective registration in a specific database, however, is a crucial prerequisite for credible audit of performance and feedback to individual teams.

Adolescent↗

MRI of complicated anal fistulae: comparison with digital examination.

OBJECTIVES: The assessment of complicated anal fistulae is based on digital examination. Our objective was to study the potential role of MRI in this setting by comparing preoperative digital examination with MRI. MATERIALS AND METHODS: Digital examination and MRI were prospectively and blindly interpreted in 13 patients with complicated anal fistulae. Surgical findings were used as standard. RESULTS: Complete agreement between the results of digital examination and the surgical findings was observed in 8 patients and between the results of MRI and the surgical findings in 12 patients. Digital examination misclassified two low transsphincteric fistulae as high transsphincteric and missed high secondary extensions or abscesses in three other patients. Magnetic resonance misclassified only one suprasphincteric fistula as low transsphincteric and did not overlook high secondary extensions or abscesses. CONCLUSION: These findings suggest that MRI may show abnormalities not detected by preoperative digital examination.

Adult↗

Colorectal villous tumors accuracy of the preoperative biopsies.

This study was undertaken to assess the reliability of the endoscopic biopsies in the evaluation of colorectal villous tumors (CRVT). In 163 consecutive patients referred for surgical treatment of CRVT, preoperative evaluation had been routinely done by colonoscopy and multiple biopsies. Tumors were classified in 3 groups: low grade tumors, high grade tumors and adenocarcinomas. Infiltration in depth was staged on the postoperative specimens according to the Dukes-Aster-Coller's classification. All the tumors were completely resected by surgery and definitive pathological diagnosis was established. An exact correlation between the pre- and postoperative staging was observed in 48% of the cases. Accuracy averaged 54% in the group-by-group comparison, with an overstaging rate of 6.7%, and an understaging rate of 39%. The incidence of adenocarcinomas was 22% in the group with clearly benign preoperative biopsies and 50% in the other cases. There were significantly more B2 and C tumors among the patients referred after 3 or more endoscopic attempts (33%) than after one or two sessions (10%) (p < 0.0003). We confirm that in spite of multiple endoscopic biopsies, only a complete resection permits an exact staging and an appropriate therapeutic choice.

Adenocarcinoma↗