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Dive into the research topics where J. P. M. Derikx is active.

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Featured researches published by J. P. M. Derikx.


Gut | 2007

Urine based detection of intestinal mucosal cell damage in neonates with suspected necrotising enterocolitis

J. P. M. Derikx; N. J. Evennett; Pieter L. J. Degraeuwe; Twan Mulder; A. A. van Bijnen; L. W. E. van Heurn; W.A. Buurman; Erik Heineman

Necrotising enterocolitis (NEC) is a severe gastrointestinal disease with a mortality of 20–40%, affecting predominantly premature neonates.1 In the early phase of the disease NEC continues to present a diagnostic challenge for the attending clinician. The signs and symptoms are often non-specific, including gastrointestinal problems such as abdominal distension and feeding intolerance, which are also among the most prevalent presenting features of neonatal sepsis.2 The diagnosis is further hampered by the limited diagnostic accuracy of the laboratory and radiological tests currently in use.3,4 Histopathologically, NEC is characterised by intestinal coagulative or ischaemic necrosis, starting at the mucosa and extending into the submucosa and muscularis externa.1 We sought a non-invasive test to find evidence of enterocyte cell death in infants with gastrointestinal symptoms suspicious of NEC, in order to differentiate NEC from other neonatal diseases that present with abdominal signs. Intestinal fatty acid binding protein (I-FABP) has been reported to be a useful plasma marker for early enterocyte cell death.5,6 The small (14–15 kDa) cytosolic I-FABP is specifically present in mature enterocytes of small and large intestine and is released as soon as cell membrane integrity is compromised. I-FABP is present in very small amounts in the plasma of healthy individuals, probably representing the normal turnover of enterocytes, but levels …


British Journal of Surgery | 2006

Factors associated with recurrence and metastasis in Sacrococcygeal Teratoma.

J. P. M. Derikx; A. De Backer; L. van de Schoot; Daniel C. Aronson; de Zacharias Langen; T.L. van den Hoonaard; N. M. A. Bax; F.H.J.M. van der Staak; L. W. E. van Heurn

Sacrococcygeal teratoma (SCT) is a relatively uncommon tumour, with a high risk of recurrence and metastasis. The factors associated with recurrence and metastatic disease were studied.


Journal of Clinical Gastroenterology | 2014

Plasma Intestinal Fatty Acid-Binding Protein Levels Correlate With Morphologic Epithelial Intestinal Damage in a Human Translational Ischemia-reperfusion Model.

Dirk H. Schellekens; Joep Grootjans; Simon A.W.G. Dello; A.A. van Bijnen; R.M. van Dam; Chc Dejong; J. P. M. Derikx; W.A. Buurman

Background and Aim: Intestinal fatty acid–binding protein (I-FABP) is a useful marker in the detection of intestinal ischemia. However, more insight into the test characteristics of I-FABP release is needed. This study aimed to investigate the relationship between plasma I-FABP levels and the severity of ischemic mucosal injury, and define the clinical usefulness of systemic I-FABP following ischemia. Methods: In a human experimental model, 6 cm of the jejunum, to be removed for surgical reasons, was selectively exposed to either 15, 30, or 60 minutes of ischemia (I) followed by 30 and 120 minutes of reperfusion (R). Blood and tissue was sampled at all time points. Arteriovenous (V−A) concentration differences of I-FABP were measured. Tissue sections were stained with hematoxylin/eosin, and villus height was measured to score epithelial damage. Results: Histologic analysis showed only minor reversible intestinal damage following 15I and 30I; however, severe irreversible epithelial damage was observed in the jejunum exposed to 60I. I-FABP V−A differences paralleled the degree of tissue damage over time [7.79 (±1.8) ng/mL, 128.6 (±44.2) ng/mL, 463.3 (±139.8) ng/mL for 15I, 30I and 60I, respectively]. A good correlation was found between histologic epithelial damage and V−A I-FABP (r=−0.82, P<0.001). Interestingly, systemic I-FABP levels were significantly increased after 60I of this short small intestinal segment. Conclusions: This study demonstrates the relationship between the duration of ischemia and the extent of tissue damage, which is reflected by I-FABP V−A plasma levels. In addition, systemic I-FABP levels appear valuable in detecting irreversible intestinal ischemia-reperfusion damage.


Annals of Oncology | 2008

Loss of enterocyte mass is accompanied by diminished turnover of enterocytes after myeloablative therapy in haematopoietic stem-cell transplant recipients

J. P. M. Derikx; N. M. A. Blijlevens; J. P. Donnelly; H. Fujii; T. Kanda; A. A. van Bijnen; Erik Heineman; W.A. Buurman

BACKGROUND Intestinal mucosal barrier injury (MBI), resulting from myeloablative conditioning for haematopoietic stem-cell transplantation (HSCT), is an important cause of morbidity. Despite its frequency, recognition presents a challenge, while the aetiology needs still to be unravelled. The relationship between enterocyte mass and enterocyte loss was explored by examining citrulline serum levels and by assessing circulating intestinal fatty acid-binding protein (I-FABP) and ileal bile acid-binding protein (I-BABP), proteins released by dying mature enterocytes. PATIENTS AND METHODS Thirty-four adult patients with haematological malignancy received allogeneic HSCT (HSCT day 0) 12 days after being given idarubicin, cyclophosphamide and total body irradiation as myeloablative conditioning, a regimen known to induce oral and intestinal MBI. Serum levels of citrulline, I-FABP and I-BABP were measured on HSCT days -12, -6, 0, +7, +14 and +21. RESULTS Myeloablative conditioning resulted in a significant decrease in serum citrulline with the nadir on HSCT day +7; thereafter, levels rose gradually. Simultaneously, a significant decrease in I-FABP and I-BABP levels occurred from the day of transplant until day +14. CONCLUSIONS Simultaneous reduction and subsequent increase of citrulline and I-FABP and I-BABP levels following cytotoxic treatment show that enterocyte mass corresponds to lower rate of dying enterocytes, indicating reduced turnover of enterocytes. Assessment of enterocyte turnover and mass offers opportunities for evaluation of new MBI therapies.


Shock | 2012

Preventing enterocyte damage by maintenance of mean arterial pressure during major nonabdominal surgery in children.

Geertje Thuijls; J. P. M. Derikx; M. de Kruijf; D.A. van Waardenburg; A.A. van Bijnen; Ton Ambergen; L.W. van Rhijn; Henriëtte M. Willigers; W.A. Buurman

ABSTRACT Loss of the gut barrier, which is related to hypotension and gastrointestinal hypoperfusion during surgery, has been implicated as a critical event in postoperative complications development. This study aims at preventing gut barrier loss by maintenance of mean arterial pressure (MAP) in patients undergoing major nonabdominal surgery. In 20 previously included children undergoing spinal fusion surgery, the critical MAP value, which should be maintained to prevent enterocyte damage, was determined. In the following 12 children, MAP was kept above the critical value during surgery. Gut mucosal barrier loss was assessed by plasma intestinal fatty acid–binding proteins levels, a marker for enterocyte damage. Gastrointestinal perfusion was measured by gastric tonometry. First, we determined that the MAP should be maintained greater than 60 mmHg to prevent enterocyte damage. Next, maintenance of the MAP above this critical value during surgery resulted in adequate intestinal perfusion and preservation of enterocyte integrity, represented by intestinal fatty acid–binding protein levels within the reference range. This study shows that maintenance of the MAP at greater than 60 mmHg is associated with adequate intestinal perfusion and reduced enterocyte loss in children undergoing major nonabdominal surgery. These data stress the importance and benefits of good circulatory management during major surgery.


European Journal of Gastroenterology & Hepatology | 2007

Intestinal fatty acid binding protein

J. P. M. Derikx; Martijn Poeze; A. A. van Bijnen; J. H. Zwaveling; W.A. Buurman; Erik Heineman


European Surgery-acta Chirurgica Austriaca | 2006

EFR and the European code against cancer – working together for a healthier future in the enlarged European Union

Erik Heineman; N.J. Evenett; J. P. M. Derikx; L. W. E. van Heurn; Marc H. W. A. Wijnen; D.C. van der Zee; Z.J. de Langen; Hugo A. Heij; N. M. A. Bax


Nederlands Tijdschrift voor Heelkunde | 2008

FABPs als nieuwe plasma- en urinemarkers voor intestinale epitheliale celschade.

S.F.J. Bosch; J. P. M. Derikx; Geertje Thuijls; A. A. van Bijnen; D.A. van Waardenburg; L. W. E. van Heurn; W.A. Buurman; Erik Heineman


European Journal of Gastroenterology & Hepatology | 2007

Intestinal fatty acid binding protein: The role of the gut in the early phase of sepsis.

J. P. M. Derikx; Martijn Poeze; A. A. van Bijnen; J. H. Zwaveling; W.A. Buurman; Erik Heineman


European Surgery-acta Chirurgica Austriaca | 2006

Towards consensus in necrotising enterocolitis: areas highlighted for future research.

Erik Heineman; N.J. Evenett; J. P. M. Derikx; L. W. E. van Heurn; Marc H. W. A. Wijnen; D.C. van der Zee; Z.J. de Langen; Hugo A. Heij; N. M. A. Bax

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Erik Heineman

University Medical Center Groningen

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N. M. A. Bax

Boston Children's Hospital

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Z.J. de Langen

University Medical Center Groningen

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D.C. van der Zee

Boston Children's Hospital

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