References of "Belaiche, Jacques"
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See detailThe TNF/ADAM 17 system: implication of an ADAM 17 haplotype in the clinical response to infliximab in Crohn's disease
Dideberg, Vinciane ULg; Theatre, Emilie ULg; Farnir, Frédéric ULg et al

in European Journal of Clinical Investigation (2007, May), 37(Suppl. 1), 79

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See detailLe depistage du cancer colorectal
Piront, Patricia ULg; Louis, Edouard ULg; Belaiche, Jacques ULg et al

in Revue Médicale de Liège (2007), 62(1), 15-20

Colorectal cancer is the second leading cause of death in Northern countries and need a national screening program to reduce mortality and improve quality of life. Screening has to be cost-effective and ... [more ▼]

Colorectal cancer is the second leading cause of death in Northern countries and need a national screening program to reduce mortality and improve quality of life. Screening has to be cost-effective and acceptable for patients. Many screening tools, invasive or not, are existing and often debated: FOBT, sigmoidoscopy and complete colonoscopy. New tools are in development and have to be evaluated in current practice: virtual colonoscopy, new endoscopic technologies, DNA on faeces or proteomics with markers in serum. [less ▲]

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See detailAssessment of Crohn’s disease intestinal lesions with FDG PET/CT : A prospective correlation with endoscopy.
HUSTINX, Roland ULg; SPOTE, Véronique ULg; ANCION, G. et al

in Journal of Nuclear Medicine (The) (2007), 48(SUPPL), 66

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See detailBiomarker discovery for inflammatory bowel disease, using proteomic serum profiling
Meuwis, Marie-Alice ULg; Fillet, Marianne ULg; Geurts, Pierre ULg et al

in Biochemical Pharmacology (2007), 73(9), 1422-1433

Crohn's disease and ulcerative colitis known as inflammatory bowel diseases (IBD) are chronic immuno-inflammatory pathologies of the gastrointestinal tract. These diseases are multifactorial, polygenic ... [more ▼]

Crohn's disease and ulcerative colitis known as inflammatory bowel diseases (IBD) are chronic immuno-inflammatory pathologies of the gastrointestinal tract. These diseases are multifactorial, polygenic and of unknown etiology. Clinical presentation is non-specific and diagnosis is based on clinical, endoscopic, radiological and histological criteria. Novel markers are needed to improve early diagnosis and classification of these pathologies. We performed a study with 120 serum samples collected from patients classified in 4 groups (30 Crohn, 30 ulcerative colitis, 30 inflammatory controls and 30 healthy controls) according to accredited criteria. We compared protein sera profiles obtained with a Surface Enhanced Laser Desorption Ionization-Time of Flight-Mass Spectrometer (SELDI-TOF-MS). Data analysis with univariate process and a multivariate statistical method based on multiple decision trees algorithms allowed us to select some potential biomarkers. Four of them were identified by mass spectrometry and antibody based methods. Multivariate analysis generated models that could classify samples with good sensitivity and specificity (minimum 80%) discriminating groups of patients. This analysis was used as a tool to classify peaks according to differences in level on spectra through the four categories of patients. Four biomarkers showing important diagnostic value were purified, identified (PF4, MRP8, FIBA and Hpalpha2) and two of these: PF4 and Hpalpha2 were detected in sera by classical methods. SELDI-TOF-MS technology and use of the multiple decision trees method led to protein biomarker patterns analysis and allowed the selection of potential individual biomarkers. Their downstream identification may reveal to be helpful for IBD classification and etiology understanding. [less ▲]

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See detailNovel Crohn disease locus identified by genome-wide association maps to a gene desert on 5p13.1 and modulates expression of PTGER4.
Libioulle, Cécile ULg; Louis, Edouard ULg; Hansoul, Sarah ULg et al

in PLoS Genetics (2007), 3(4), 538-543

To identify novel susceptibility loci for Crohn disease (CD), we undertook a genome-wide association study with more than 300,000 SNPs characterized in 547 patients and 928 controls. We found three ... [more ▼]

To identify novel susceptibility loci for Crohn disease (CD), we undertook a genome-wide association study with more than 300,000 SNPs characterized in 547 patients and 928 controls. We found three chromosome regions that provided evidence of disease association with p-values between 10(-6) and 10(-9). Two of these (IL23R on Chromosome 1 and CARD15 on Chromosome 16) correspond to genes previously reported to be associated with CD. In addition, a 250-kb region of Chromosome 5p13.1 was found to contain multiple markers with strongly suggestive evidence of disease association (including four markers with p < 10(-7)). We replicated the results for 5p13.1 by studying 1,266 additional CD patients, 559 additional controls, and 428 trios. Significant evidence of association (p < 4 x 10(-4)) was found in case/control comparisons with the replication data, while associated alleles were over-transmitted to affected offspring (p < 0.05), thus confirming that the 5p13.1 locus contributes to CD susceptibility. The CD-associated 250-kb region was saturated with 111 SNP markers. Haplotype analysis supports a complex locus architecture with multiple variants contributing to disease susceptibility. The novel 5p13.1 CD locus is contained within a 1.25-Mb gene desert. We present evidence that disease-associated alleles correlate with quantitative expression levels of the prostaglandin receptor EP4, PTGER4, the gene that resides closest to the associated region. Our results identify a major new susceptibility locus for CD, and suggest that genetic variants associated with disease risk at this locus could modulate cis-acting regulatory elements of PTGER4. [less ▲]

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See detailScreening for colorectal cancer in 2006
Piront, Patricia ULg; Louis, Edouard ULg; Belaiche, Jacques ULg et al

in Acta Endoscopica (2007), 37(3), 305-313

Colorectal cancer is the second leading cause of death in Northern countries and needs a national screening program to reduce mortality and improve quality of life. Screening has to be cost-effective and ... [more ▼]

Colorectal cancer is the second leading cause of death in Northern countries and needs a national screening program to reduce mortality and improve quality of life. Screening has to be cost-effective and acceptable for patients. Many screening tools, invasive or not, are existing and often debated: FOBT, sigmoidoscopy and complete colonoscopy. New tools are in development and have to be evaluated in current practice: virtual colonoscopy, new endoscopic technologies, DNA on faeces or proteomics with markers in serum. [less ▲]

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See detailActualites therapeutiques en hepato-gastroenterologie
Belaiche, Jacques ULg; Delwaide, Jean ULg; Polus, Marc ULg et al

in Revue Médicale de Liège (2007), 62(5-6, May-Jun), 303-9

During the last decade, advances in molecular biology and biotechnology allowed, the development of biological treatments aimed at more precise targets. New algorithms in inflammatory bowel diseases ... [more ▼]

During the last decade, advances in molecular biology and biotechnology allowed, the development of biological treatments aimed at more precise targets. New algorithms in inflammatory bowel diseases, chronic hepatitis C and digestive oncology are examples of the marked progress achieved by these therapies. [less ▲]

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See detailLes maladies inflammatoires chroniques intestinales : de la génétique au traitement
Louis, Edouard ULg; Bours, Vincent ULg; Dideberg, Vinciane ULg et al

in Revue Médicale de Liège (2007), 62

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See detailLes thérapies innovantes au CHU dans les maladies inflammatoires chroniques de l'intestin (MICI)
Belaiche, Jacques ULg; Chapelier, Nathalie ULg; Wertz, Sylvie ULg et al

in Revue Médicale de Liège (2007), 62 Spec No

Inflammatory bowel diseases (IBD), Crohn's disease and ulcerative colitis are frequent illnesses in western countries. They have a dramatic impact on the health-related quality of life. The new biological ... [more ▼]

Inflammatory bowel diseases (IBD), Crohn's disease and ulcerative colitis are frequent illnesses in western countries. They have a dramatic impact on the health-related quality of life. The new biological treatments developed for these diseases are potentially very effective, but are also expensive and may have significant side effects. In the present paper, the authors describe new biological therapies used during the past 10 years at the CHU. More than 20 therapeutic protocols were implemented. These protocols have given the patients the opportunity to gain very rapid access to new efficient therapies, to benefit from promising techniques for the evaluation of their pathology and to be submitted to a close follow-up that frequently called their treatment into question in the light of the most innovative options. [less ▲]

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See detailLe Fibroscan: une nouvelle méthode d’évaluation non invasive de la fibrose hépatique
Lamproye, Anne ULg; Belaiche, Jacques ULg; Delwaide, Jean ULg

in Revue Médicale de Liège (2007), 62 Spec No

The FibroScan is a device allowing a non invasive diagnosis and quantification of liver fibrosis. The procedure is based on transient elastography and allows to record liver stiffness by measuring the ... [more ▼]

The FibroScan is a device allowing a non invasive diagnosis and quantification of liver fibrosis. The procedure is based on transient elastography and allows to record liver stiffness by measuring the velocity of shear wave across liver parenchyma. The elasticity is directly correlated to velocity of the wave. In chronic hepatitis C, there is a good correlation between liver elasticity and stage of fibrosis. The FibroScan has also been studied in other chronic liver diseases, such as hepatitis B, primary biliary cirrhosis, sclerosing cholangitis, auto-immune hepatitis, alcohol, steatosis, hemachromatosis with reproductible results. In a cirrhotic patient, it also allows to assess the severity of cirrhosis and to evaluate the risk of complication. It is a painless procedure, with a good acceptability by the patients. Therefore, the FibroScan can be regularly performed, allowing the follow up of fibrosis evolution over time. [less ▲]

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See detailCadaveric liver transplantation for non-acetaminophen fulminant hepatic failure: A 20-year experience
Detry, Olivier ULg; De Roover, Arnaud ULg; Coimbra Marques, Carla ULg et al

in World Journal of Gastroenterology (2007), 13(9), 1427-1430

AIM: To investigate the long-term results of liver transplantation (LT) for non-acetaminophen fulminant hepatic failure (FHF). METHODS: Over a 20-year period, 29 FHF patients underwent cadaveric whole LT ... [more ▼]

AIM: To investigate the long-term results of liver transplantation (LT) for non-acetaminophen fulminant hepatic failure (FHF). METHODS: Over a 20-year period, 29 FHF patients underwent cadaveric whole LT. Most frequent causes of FHF were hepatitis B virus and drug-related (not acetaminophen) liver failure. All surviving patients were regularly controlled at the out-patient clinic and none was lost to follow-up. Mean follow-up was 101 mo. RESULTS: One month, one-, five- and ten-year patient survival was 79%, 72%, 68% and 68%, respectively. One month, one-, five- and ten-year graft survival was 69%, 65%, 51% and 38%, respectively. Six patients needed early (< 2 mo) retransplantation, four for primary non-function, one for early acute refractory rejection because of ABO blood group incompatibility, and one for a malignant tumor found in the donor. Two patients with hepatitis B FHF developed cerebral lesions peri-transplantion: One developed irreversible and extensive brain damage leading to death, and one suffered from deep deficits leading to continuous medical care in a specialized institution. CONCLUSION: Long-term outcome of patients transplanted for non-acetaminophen FHF may be excellent. As the quality of life of these patients is also particularly good, LT for FHF is clearly justified, despite lower graft survival compared with LT for other liver diseases. (C) 2007 The WJG Press. All rights reserved. [less ▲]

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See detailActualites en chirurgie et transplantation hepatique
Detry, Olivier ULg; De Roover, Arnaud ULg; Coimbra Marques, Carla ULg et al

in Revue Médicale de Liège (2007), 62(5-6, May-Jun), 310-6

Over the last 20 years, significant improvements in hepatic surgery and transplantation have allowed better results. Better patients selection, new preoperative modalities aiming at modifying the volume ... [more ▼]

Over the last 20 years, significant improvements in hepatic surgery and transplantation have allowed better results. Better patients selection, new preoperative modalities aiming at modifying the volume of the liver or the tumour, new surgical techniques, and better postoperative management are the keys to improved outcome. These progresses are reviewed in this article. In hepatic surgery, the latest surgical improvements are the possibility of laparoscopic hepatic resection and of radiofrequency ablation. Modern neoadjuvant chemotherapy may in some cases allow a reduction of large liver colorectal metastases and render them resectable. Improved radiological techniques allow better planning of the surgical resections, reduction of the risks by calculation of the residual liver mass, and induction of liver hypertrophy by preoperative portal embolisation. In liver transplantation, the most significant changes were the use of living related liver donors and of non-heart beating donors to overcome the cadaveric organ donor shortage. [less ▲]

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See detailThe Tnf/Adam 17 System: Implication of an Adam 17 Haplotype in the Clinical Response to Infliximab in Crohn's Disease
Dideberg, Vinciane ULg; Theatre, Emilie ULg; Farnir, Frédéric ULg et al

in Pharmacogenetics and Genomics (2006), 16(10), 727-734

Infliximab, a chimeric anti-tumour necrosis factor (TNF)-alpha antibody induces a clinical response in 70% of Crohn's disease patients and the response to infliximab therapy could be partially determined ... [more ▼]

Infliximab, a chimeric anti-tumour necrosis factor (TNF)-alpha antibody induces a clinical response in 70% of Crohn's disease patients and the response to infliximab therapy could be partially determined by genetic factors. The implication of both transmembrane and soluble forms of the TNF-alpha in the mechanism of action of infliximab has been demonstrated. The aim of our work was first to perform a complete study of TNF variants role in the response to infliximab in Crohn's disease. Secondly, considering the role of ADAM 17 in TNF-alpha shedding, the ADAM 17 locus was also studied. The response to infliximab was evaluated in 222 Caucasian Crohn's disease patients with a luminal (n=160) or fistulizing (n=62) form of the disease. Clinical and biological response evaluation was based on the Crohn's Disease Activity Index score and C-reactive protein level evolutions, respectively. The entire TNF gene was sequenced on the complete cohort. Twelve single nucleotide polymorphisms spanning the ADAM 17 locus were studied and haplotypes rebuilt. A clinical response was observed in 64% of the patients and biological response in 77.1% of patients. No association was found between the TNF gene and the response to infliximab. One haplotype in the ADAM 17 region was associated with a clinical response to infliximab in CD patients (adjusted P=0.045). In conclusion, our results exclude, with a reasonable power, an implication of the TNF gene in the response to infliximab in Crohn's disease, but reveal a potential role of the ADAM 17 gene in this response. [less ▲]

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See detailHCV genotype 4 in Belgium: three distinct patterns among patients from European and African origin
Delwaide, Jean ULg; Reenaers, Catherine ULg; Gerard, Christiane ULg et al

in European Journal of Gastroenterology & Hepatology (2006), 18(7), 707-712

Background Considered uncommon in western countries some years ago, hepatitis C virus of genotype 4 is now spreading in some areas of Europe. This is assumed to be due to immigration from a region of high ... [more ▼]

Background Considered uncommon in western countries some years ago, hepatitis C virus of genotype 4 is now spreading in some areas of Europe. This is assumed to be due to immigration from a region of high prevalence for this genotype and to propagation among drug users. In the south of Belgium, genotype 4 currently accounts for 10% of hepatitis C virus patients and its prevalence is increasing with time. Objective To better define the genotype 4 carriers' characteristics. Methods In a database comprising 1726 viraemic hepatitis C virus patients, the files of 85 genotype 4 carriers were reviewed. Results Beside the African (58%) and European drug user (15%) subgroups classically described, a third subgroup consisting of European nondrug users (26%) was identified as peculiar: these patients were older, had been mostly contaminated sporadically, presented a great diversity of subtypes, and were mainly of Italian origin. In this subgroup, contamination was supposed to be ancient, having occurred probably in Italy before immigration into Belgium. By contrast, European drug users were infected with only two subtypes (4c/4d and 4), an observation in favour of recent spread. Africans had a great diversity of subtypes, were young, and were mostly contaminated sporadically in their home countries. Despite their epidemiological differences, the clinical management, and in particular the rates of eligibility for treatment, were similar for these three groups. Conclusions Three different patterns of genotype 4 carriers were observed, corresponding to three different spreading profiles. They did not induce, however, different clinical management. [less ▲]

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See detailDeterminants of gastro-protective drugs co-prescription during treatment with nonselective NSAIDs: a prospective survey of 2197 patients recruited in primary care
Rabenda, Véronique ULg; Burlet, N.; Belaiche, Jacques ULg et al

in Osteoarthritis and Cartilage (2006), 14(7), 625-630

Objective: Our goal was to identify the magnitude of gastro-protective drugs (GPDs) co-prescription and the profile of patients who received GPD co-prescription, during nonsteroidal anti-inflammatory ... [more ▼]

Objective: Our goal was to identify the magnitude of gastro-protective drugs (GPDs) co-prescription and the profile of patients who received GPD co-prescription, during nonsteroidal anti-inflammatory drugs (NSAIDs) treatment in a "real life setting" of primary care practice. Methods: A pragmatic prospective 6-month survey of 2197 new takers of nonselective NSAIDs, selected and followed by general practitioners (GPs) on the bias of their usual standards of care. Results: Forty-seven percent of our survey population used at least one GPD during the 6-month follow-up. No difference was identified between piroxicam, diclofenac, ibuprofen, meloxicam and nimesulid for the GPD co-prescription. Besides the presence of gastro-intestinal (GI) symptoms, previous use of GPD, previous occurrence of GI disorders and increase in age are the most prominent predictive factors of GPD use during NSAID treatment. When adjusted for other risk factors, co-prescription of GPD was significantly increased in patients aged 55 years and above (odds ratio (OR): 1.29, 95% confidence interval (Cl): 1.01-1.64) with no further increase in the co-prescription in older subjects. Conclusion: Patients above 55 years with previous history of GI symptoms or GPD use are more likely to benefit from cytoprotective medications. (C) 2006 OsteoArthritis Research Society International. Published by Elsevier Ltd. All rights reserved. [less ▲]

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See detailLymphotoxin alpha gene in Crohn's disease patients: absence of implication in the response to infliximab in a large cohort study
Dideberg, Vinciane ULg; Louis, Edouard ULg; Farnir, Frédéric ULg et al

in Pharmacogenetics and Genomics (2006), 16(5), 369-373

A haplotype in the lymphotoxin alpha (LTA) gene has been associated with a lack of response to infliximab in a small cohort of Crohn's disease (CD) patients. The present study aimed to confirm the ... [more ▼]

A haplotype in the lymphotoxin alpha (LTA) gene has been associated with a lack of response to infliximab in a small cohort of Crohn's disease (CD) patients. The present study aimed to confirm the implication of this haplotype in the response to infliximab in a larger cohort of Caucasian patients. The response to the first infusion with infliximab was evaluated in 214 Caucasian patients with either luminal (n = 150) or fistulising (n = 64) CD. Clinical response was based on the decrease in CID Activity Index (luminal) or on the evolution in the fistula discharge (fistulising). Biological response was assessed in 139 patients who had elevated C-reactive protein (CRP) before treatment and for whom CRP values were also available after treatment. A positive biological response was defined as a decrease in CRP of at least 25%. The patients were genotyped for six polymorphisms in the LTA gene. A positive clinical response was present in 65.4% of the patients and a positive biological response was observed in 80.6% of the patients. No association was found with any of the studied polymorphisms, nor with the previously published LTA haplotype and the response to infliximab. We could not confirm an association between the LTA locus and clinical or biological response to infliximab in a large cohort of CID patients. Pharmacogenetics and Genomics 16:369-373 (c) 2006 Lippincott Williams [less ▲]

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See detailColite aigue revelant une maladie de Wegener
Lebas, Eglantine ULg; Gielen, Sabine ULg; Nguyen, Minh Ngoc ULg et al

in Revue Médicale de Liège (2006), 61(3), 163-8

We report the case of a 52 year old man who was hospitalized within a context of a persistent deterioration of his general condition. He was suspected of having a chronic inflammatory colitis. A pulmonary ... [more ▼]

We report the case of a 52 year old man who was hospitalized within a context of a persistent deterioration of his general condition. He was suspected of having a chronic inflammatory colitis. A pulmonary radiography revealed the presence of voluminous bilateral excavated masses with hydro-aerical levels. After having refuted among others a suspicion of tuberculosis, the results of a thoracic percutaneous transpleural lung aspiration by needle under tomodensitometric control steered our diagnosis towards a vascularitis of the Wegener disease type. A treatment with corticotherapy in large doses completed with cyclophosphamid allowed for clinical, biological and radiological improvement. Wegener's granulomatosis usually starts in an insidious manner with febrile episodes and an impairment of the general condition associated with inflammatory biological signs, as observed in our patient. After these warning symptoms, come ORL and/or pulmonary and/or renal impairment, which represent the classical triad of diffused GW. However a certain number of particularities unusual for that diagnosis characterized our patient and prompted the discussion of this case. [less ▲]

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See detailNo association between C-reactive protein gene polymorphisms and decrease of C-reactive protein serum concentration after infliximab treatment in Crohn's disease
Willot, S.; Vermeire, S.; Ohresser, M. et al

in Pharmacogenetics and Genomics (2006), 16(1), 37-42

We recently showed an association between the FCGR3A V/F polymorphism and the biological response [assessed on the basis of a C-reactive protein (CRP) concentration decrease] to infliximab in Crohn's ... [more ▼]

We recently showed an association between the FCGR3A V/F polymorphism and the biological response [assessed on the basis of a C-reactive protein (CRP) concentration decrease] to infliximab in Crohn's disease. The CRP and FCGR3A genes are located on the same 1q23 locus. The present study aimed: 0) to exclude a linkage disequilibrium (LD) between the two genes and 00 to study the association between CRP polymorphisms and the response to infliximab, particularly the decrease in CRP after treatment, in Crohn's disease patients. FCGR3A (V/F) polymorphism and three CRP polymorphisms (- 717G/A, 1444C/T, CRP 4A/G) were determined in 206 healthy blood donors and 189 Crohn's disease patients who had received infliximab for either refractory luminal or fistulizing Crohn's disease. Clinical response was defined as complete, partial or absent according to the same definition as in controlled trials. The biological response was defined on the basis of CRP decrease. There was no LID between CRP and FCGR3A in healthy donors or Crohn's disease patients. CRP polymorphisms had no impact on CRP decrease after infliximab. The proportions of Crohn's disease having a positive clinical or biological response were not statistically different among the various genotypes of CRP polymorphisms. There was no LD between CRP and FCGR3A polymorphisms. CRP polymorphisms were not associated with the response to infliximab in Crohn's disease. Pharmacogenetics and Genomics 16:37-42. (c) 2006 Lippincott Williams [less ▲]

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See detailAdjuvant hyperthermic intraperitoneal peroperative chemotherapy (HIPEC) Associated with curative surgery for locally advanced gastric carcinoma.An initial experience
De Roover, Arnaud ULg; Detroz, Bernard ULg; Detry, Olivier ULg et al

in Acta Chirurgica Belgica (2006), 106(3), 297-301

Aim of the study : After macroscopic radical (R0) surgery for advanced gastric carcinoma, 40 to 50% of the tumors recur in the abdomen as locoregional or peritoneal disease. We initiated a protocol in ... [more ▼]

Aim of the study : After macroscopic radical (R0) surgery for advanced gastric carcinoma, 40 to 50% of the tumors recur in the abdomen as locoregional or peritoneal disease. We initiated a protocol in which patients with suspicion of macroscopic serosal, lymphatic or peritoneal invasion, treated with R0 resection, underwent adjuvant HIPEC. Methods : Between June 1998 and January 2003, 16 patients with locally advanced adenocarcinoma of the stomach were included in the study. Surgery consisted of a total gastrectomy with a D2 lymphadenectomy. Splenectomy (n = 1), splenopancreatectomy (n = 4), transverse colectomy (n = 3), left hepatectomy (n = 1), localized peritonectomy (n = 3) were associated to obtain a R0 resection. HIPEC protocol consisted of heated (42.5°C) intraperitoneal mitomycin C (15 mg/m2) for a planned duration of 90 minutes. Results : HIPEC median duration was limited to 73(20-90) min because of central hyperthermia recognition in half of the cases. One patient died in the postoperative period of sepsis secondary to a duodenal fistula. Postoperative morbidity included pancreatic fistula (n = 2), pulmonary oedema (n = 1), pulmonary embolus (n = 1) and transient renal failure (n = 1). UICC staging was IB (n = 2), II (n = 2), IIIA (n = 5), IIIB (n = 1), IV (n = 6). Nine of the 16 patients are alive without recurrence with a median follow-up of 52 months. Four patients developed a recurrence, intraperitoneal (n = 2), systemic (n = 1), or combined (n = 1). Two patients were lost to follow-up. Conclusions : Aggressive surgical therapy and HIPEC might represent the standard of care in a selected population with locoregional disease and for whom a R0 resection can be achieved. This protocol was associated in this study with a 75% 5-year survival with a low peritoneal recurrence rate and an acceptable morbidity. [less ▲]

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