Publications by authors named "Joyce Nijsten"

3 Publications

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Growth, health, and motor development of 5-year-old children born after preimplantation genetic diagnosis.

Fertil Steril 2019 06 17;111(6):1151-1158. Epub 2019 Apr 17.

Department of Clinical Genetics, Maastricht University Medical Center+, Maastricht, The Netherlands; School for Oncology and Developmental Biology (GROW), Maastricht University, Maastricht, The Netherlands.

Objective: To evaluate the growth, health, and motor development of children born after preimplantation genetic diagnosis (PGD).

Design: Observational cohort study and comparison of 5-year-old children born after PGD to similar aged children born after IVF/intracytoplasmic sperm injection (ICSI) and children from families with a genetic disorder born after natural conception (NC).

Setting: University hospital.

Patient(s): One hundred three children were included in the PGD group. The two control groups consisted of 90 children born after IVF/ICSI and 58 children born after NC.

Intervention(s): PGD.

Main Outcome Measure(s): We measured height, weight, body circumferences, body mass index, and blood pressure and performed a dysmorphological and neurological examination. We also collected data about the children's medical history, health care consultations, and motor milestones.

Result(s): The mean height, weight, and body mass index were comparable for all groups. Six (5.8%) PGD, four (4.4%) IVF/ICSI, and five (8.6%) NC children had a major congenital abnormality. The incidence of acute and chronic illnesses was similar in all groups. Motor milestones were achieved on time, but the IVF/ICSI group had a slightly younger mean sitting age. None of the children had severe neurological problems.

Conclusion(s): Five-year-old children born after PGD show normal growth, health, and motor development when compared with children born after IVF/ICSI and NC children from families with a genetic disorder.

Trial Registration Number: NCT02149485.
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http://dx.doi.org/10.1016/j.fertnstert.2019.01.035DOI Listing
June 2019

Clinical and laboratory predictors of chronic immune thrombocytopenia in children: a systematic review and meta-analysis.

Blood 2014 Nov 10;124(22):3295-307. Epub 2014 Oct 10.

Department of Pediatric Hematology and Oncology, University Medical Center Utrecht/Wilhelmina Children's Hospital, Utrecht, The Netherlands;

Childhood immune thrombocytopenia (ITP) is a rare autoimmune bleeding disorder. Most children recover within 6 to 12 months, but individual course is difficult to predict. We performed a systematic review and meta-analysis to identify predictors of chronic ITP. We found 1399 articles; after critical appraisal, 54 studies were included. The following predictors of chronic ITP in children, assessed in at least 3 studies, have been identified: female gender (odds ratio [OR] 1.17, 95% confidence interval [CI] 1.04-1.31), older age at presentation (age ≥11 years; OR 2.47, 95% CI 1.94-3.15), no preceding infection or vaccination (OR 3.08, 95 CI 2.19-4.32), insidious onset (OR 11.27, 95% CI 6.27-20.27), higher platelet counts at presentation (≥20 × 10(9)/L: OR 2.15, 95% CI 1.63-2.83), presence of antinuclear antibodies (OR 2.87, 95% 1.57-5.24), and treatment with a combination of methylprednisolone and intravenous immunoglobulin (OR 2.67, 95% CI 1.44-4.96). Children with mucosal bleeding at diagnosis or treatment with intravenous immunoglobulin alone developed chronic ITP less often (OR 0.39, 95% CI 0.28-0.54 and OR 0.71, 95% CI 0.52-0.97, respectively). The protective effect of intravenous immunoglobulin is remarkable and needs confirmation in prospective randomized trials as well as future laboratory studies to elucidate the mechanism of this effect.
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http://dx.doi.org/10.1182/blood-2014-04-570127DOI Listing
November 2014

Neoplasia yield and colonoscopic workload of surveillance regimes for colorectal cancer in colitis patients: a retrospective study comparing the performance of the updated AGA and BSG guidelines.

Inflamm Bowel Dis 2013 Nov;19(12):2603-10

*Department of Gastroenterology and Hepatology, University Medical Center Utrecht, Utrecht, the Netherlands; †Department of Gastroenterology and Hepatology, Leiden University Medical Center, Leiden, the Netherlands; ‡Department of Gastroenterology and Hepatology, VU Medical Center Amsterdam, Amsterdam, the Netherlands; §Department of Gastroenterology and Hepatology, OLVG Amsterdam, Amsterdam, the Netherlands; and ‖Department of Gastroenterology and Hepatology, St Antonius Hospital Nieuwegein, Nieuwegein, the Netherlands.

Background: Due to the increased risk of colorectal cancer, colonoscopic surveillance is recommended for patients with ulcerative and Crohn's colitis. Because surveillance intervals differ considerably between the recently updated American Gastroenterological Association (AGA) and British Society of Gastroenterology (BSG) guidelines, we compared the neoplasia yield and colonoscopic workload of these guidelines.

Methods: Patients with inflammatory bowel disease undergoing surveillance were identified using medical records. Patients were stratified according to the BSG and AGA guidelines, and corresponding colonoscopic workload was calculated based on the risk factors present during follow-up. The incidence of colitis-associated neoplasia (CAN), defined as a low-grade dysplasia in flat mucosa or a non-adenoma-like mass, high-grade dysplasia, or colorectal cancer was compared between the risk groups of either guidelines.

Results: In total, 1018 patients with inflammatory bowel disease who underwent surveillance were identified. Using the AGA surveillance intervals, 64 patients (6%) were assigned to annual and 954 patients (94%) to biannual surveillance, resulting in 541 colonoscopies per year. The yield of CAN was 5.3% and 20.3% in the low- and high-risk groups, respectively (P = 0.02). Using the BSG surveillance intervals, 204 patients received surveillance annually (20%), 393 patients every 3 years (39%), and 421 patients every 5 years (41%), resulting in 420 colonoscopies per year, which is 22% lower than the AGA guidelines. The yield of CAN was 3.6%, 6.9%, and 10.8%, for the low-, intermediate-, and high-risk groups, respectively (P = 0.26).

Conclusions: Although the BSG surveillance intervals offer the advantage of a lower colonoscopic workload, the risk stratification of the AGA seems superior in distinguishing patients at higher risk of CAN.
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http://dx.doi.org/10.1097/MIB.0b013e3182a74b27DOI Listing
November 2013