Publications by authors named "Willem M Ankum"

Introduction: Curettage is more effective than expectant management in women with suspected incomplete evacuation after misoprostol treatment for first-trimester miscarriage. The cost-effectiveness of curettage vs. expectant management in this group is unknown.

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Study Question: What affects women's treatment preferences in the management of an incomplete evacuation of the uterus after misoprostol treatment for a first-trimester miscarriage?

Summary Answer: Women's treatment preferences in the management of an incomplete evacuation of the uterus after misoprostol treatment for miscarriage are most strongly influenced by 'the risk of a reduced fertility' followed by 'the probability of success'.

What Is Known Already: Available treatment options in miscarriage are surgical, medical or expectant management. Treatment with misoprostol leads to an incomplete evacuation of the uterus and additional surgical treatment in 20-50% of women.

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Background: Since 1995 uterine artery embolization has been described as an alternative for hysterectomy in patients with symptomatic fibroids. Many studies including several randomized controlled trials established uterine artery embolization as a valuable treatment. These randomized controlled trials reported outcomes in terms of health-related quality of life, clinical outcomes, efficacy, and cost-effectiveness after 1, 2, and 5 years of follow-up.

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Objective: To study the impact on health-related quality of life (HRQoL) of treatment with systemic methotrexate (MTX) or expectant management in women with ectopic pregnancy or pregnancy of unknown location (PUL) with low and plateauing serum hCG concentrations.

Study Design: HRQoL was assessed alongside a randomized clinical trial (RCT) with the use of standard self-administered psychometric measure questionnaires.

Patients And Setting: All women who participated in the multicenter RCT comparing treatment with systemic MTX to expectant management in women with ectopic pregnancy or persisting PUL were eligible for the HRQoL measurements.

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In this observational study, the effect of the introduction of the first Early Pregnancy Assessment Unit (EPAU) in a university hospital in The Netherlands in 2008 on early pregnancy care is analysed. Derivatives of quality of care were measured before and after the establishment of the EPAU, with the aim of reducing unnecessary care. Care within three time periods was measured: 2006, 2009 and 2012.

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Background: Creatine kinase (CK) is a main predictor of blood pressure, and this is thought to largely depend on high resistance artery contractility. We previously reported an association between vascular contractility and CK in normotensive pregnancy, but pregnancy is a strong CK inducer, and data on human hypertension are lacking. Therefore, we further explored CK-dependency of vascular contractility outside the context of pregnancy in normotensive and hypertensive women.

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Objectives: The volume of a fibroid uterus before performing hysterectomy is typically estimated through bimanual examination and confirmed by ultrasonography. This study compares estimated volumes by bimanual examination and ultrasound examination with MRI and actual volumes obtained from histopathology, as gold standards.

Study Design: We used data from a previous prospective randomized multi-center trial that compared hysterectomy and uterine artery embolization (UAE) for the treatment of symptomatic fibroids.

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Background: Female-specific risk factors for cardiovascular disease are understudied. We assessed whether women with uterine fibroids have a greater hypertension risk, independent of the shared risk factors for both conditions.

Methods: Blood pressure was measured in women scheduled for fibroid surgery compared to women scheduled for nonfibroid gynecological surgery and women randomly sampled from the general population.

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Background: Tubal ectopic pregnancy can be surgically treated by salpingectomy, in which the affected Fallopian tube is removed, or salpingotomy, in which the tube is preserved. Despite potentially increased risks of persistent trophoblast and repeat ectopic pregnancy, salpingotomy is often preferred over salpingectomy because the preservation of both tubes is assumed to offer favourable fertility prospects, although little evidence exists to support this assumption. We aimed to assess whether salpingotomy would improve rates of ongoing pregnancy by natural conception compared with salpingectomy.

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Background: Medical treatment with misoprostol is a non-invasive and inexpensive treatment option in first trimester miscarriage. However, about 30% of women treated with misoprostol have incomplete evacuation of the uterus. Despite being relatively asymptomatic in most cases, this finding often leads to additional surgical treatment (curettage).

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Purpose: This study was designed to compare the costs and effects of epidural analgesia (EDA) to those of patient-controlled intravenous analgesia (PCA) for postintervention pain relief in women having uterine artery embolization (UAE) for systematic uterine fibroids.

Methods: Cost-effectiveness analysis (CEA) based on data from the literature by constructing a decision tree to model the clinical pathways for estimating the effects and costs of treatment with EDA and PCA. Literature on EDA for pain-relief after UAE was missing, and therefore, data on EDA for abdominal surgery were used.

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Objectives: To determine the effect of preference and treatment allocation on health-related quality of life (HRQOL) in patients in the randomized EMMY trial of hysterectomy versus uterine artery embolization (UAE) for symptomatic uterine fibroids.

Study Design: We invited 349 patients eligible for trial participation, of which 177 agreed to participate (the 'randomized group'). Within the randomized group, patients were allocated to.

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Nowadays ectopic pregnancy often can be diagnosed before the woman's condition has deteriorated, which has altered the former clinical picture of a life-threatening disease into a more benign condition. This review describes the historical developments in the diagnostic and therapeutic management of ectopic pregnancy leading up to current clinical practice. The first attempts to diagnose ectopic pregnancy originate from the beginning of the 20th century.

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Purpose Of Review: Many nonsurgical and minimally invasive therapies for symptomatic uterine fibroids have been introduced. The purpose of this review is to summarize the recent evidence on these techniques, and their effect on fibroid volume, menorrhagia, health related quality of life (HRQOL), fertility and their risk of complications.

Recent Findings: Laparoscopic or hysteroscopic myomectomy and uterine artery embolization (UAE) have been the most widely studied and all show significantly beneficial effects on menorrhagia and HRQOL, with a low incidence of complications.

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Objective: To study the association between patient-related risk factors and severe maternal morbidity in women with tubal ectopic pregnancy (EP). Furthermore, to identify substandard care factors in clinical care management of EP.

Design: Case-control study.

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Background: Diagnostic ultrasonography is used by GPs in approximately 10% of patients of reproductive age with abnormal vaginal bleeding. Transvaginal sonography is recommended as a first-line diagnostic instrument for assessing uterine pathology.

Aim: To assess if findings resulting from open-access sonography were in agreement with the GPs' working hypotheses and if these findings contributed to GPs' management.

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Objective: To summarize the evidence on short-, mid-, and long-term results up to 5 years of uterine artery embolization in comparison to surgery.

Study Design: We searched the CENTRAL, MEDLINE and EMBASE databases for randomized clinical trials comparing uterine artery embolization with hysterectomy/myomectomy in premenopausal women with heavy menstrual bleeding caused by symptomatic uterine fibroids, written from September 1995 to November 2010. Two reviewers independently assessed methodologic quality and extracted data from included trials.

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Objective: The purpose of this study was to compare clinical outcome and health related quality of life (HRQOL) 5 years after uterine artery embolization (UAE) or hysterectomy in the treatment of menorrhagia caused by uterine fibroids.

Study Design: Patients with symptomatic uterine fibroids who were eligible for hysterectomy were assigned randomly 1:1 to hysterectomy or UAE. Endpoints after 5 years were reintervention rates, menorrhagia, and HRQOL measures that were assessed by validated questionnaires.

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Objective: The incidence of ectopic pregnancy (EP) was reported to rise during the 1970s and 1980s; thereafter it remained stable or even declined. We studied whether changes in the incidence of pelvic inflammatory disease (PID) have had an impact on the incidence of EP and we hypothesise about the incidence of EP in the near future.

Study Design: EP and PID hospital admissions from 1980 to 2005 were derived from Dutch Medical Registries and incidence trends were calculated and analysed by joinpoint regression.

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Problems in the first trimester of pregnancy frequently occur. Examples are miscarriage, ectopic pregnancy and recurrent miscarriage. In Dutch hospitals there is a growing interest in the setting up of 'early pregnancy units' (EPUs).

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Introduction And Hypothesis: The objective of the study was to establish the effects of additional diagnostic tests compared to a consensus outcome on treatment selection in primary pelvic organ prolapse.

Methods: Three expert gynecologists individually defined a management plan in 53 patients after magnetic resonance imaging, defecography, urodynamic, and anorectal function test information was provided. These management plans were compared with basic treatment advices in the absence of any test and with consensus advices (opinion-based references).

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This article summarizes current knowledge about first trimester miscarriages from the clinician's perspective. The epidemiology of spontaneous miscarriage, its natural course and clinical findings are discussed together with the diagnostic management and therapeutic options, which include expectant, medical and surgical management.

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Purpose: To investigate whether uterine artery embolization (UAE) is a cost-effective alternative to hysterectomy for patients with symptomatic uterine fibroids, the authors performed an economic evaluation alongside the multicenter randomized EMMY (EMbolization versus hysterectoMY) trial.

Materials And Methods: Between February 2002 and February 2004, 177 patients were randomized to undergo UAE (n = 88) or hysterectomy (n = 89) and followed up until 24 months after initial treatment allocation. Conditional on the equivalence of clinical outcome, a cost minimization analysis was performed according to the intention to treat principle.

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