514 results match your criteria: "Amsterdam Medical Center[Affiliation]"

Heath-related quality of life and functional outcomes in patients with congenital or juvenile idiopathic scoliosis after an average follow-up of 25 years: a cohort study.

Spine J

March 2024

Department of Orthopedic Surgery, OLVG hospital, Oosterpark 9, 1091 AC, Amsterdam, The Netherlands; Department of Orthopedic Surgery, Amsterdam University Medical Center, Meibergdreef 9, 1105 AZ, Amsterdam, The Netherlands.

Background Context: Congenital and juvenile scoliosis are both early-onset deformities that develop before the age of 10. Children are treated to prevent curve progression and problems in adulthood such as back pain and a decreased quality of life but literature on long-term outcomes remains scarce.

Purpose: To evaluate the health-related quality of life (HRQoL) and potential disability of children with congenital scoliosis (CS) or juvenile idiopathic scoliosis (JIS) after a minimum of 20 years follow-up.

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Background: Selective serotonin reuptake inhibitors (SSRIs) potentiate serotonergic neurotransmission by blocking the serotonin transporter (5-HTT), but the functional brain response to SSRIs involves neural circuits beyond regions with high 5-HTT expression. Currently, it is unclear whether and how changes in 5-HTT availability after SSRI administration modulate brain function of key serotoninergic circuits, including those characterized by high availability of the serotonin 1A receptor (5-HT1AR).

Aim: We investigated the association between 5-HTT availability and 5-HTT- and 5-HT1AR-enriched functional connectivity (FC) after an acute citalopram challenge.

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Article Synopsis
  • The study investigated the prevalence and significance of RA-associated erosions in newly presenting arthritis patients suspected of rheumatoid arthritis (RA) using routine X-rays of hands and feet (X-HF).
  • The results showed that erosions were found in only 4.4% of the 724 patients, with minimal influence on diagnosis (change in 0.3% of cases) and prognosis (change in 0.4% of cases).
  • Ultimately, the low prevalence and limited impact on diagnostic and prognostic classifications suggest reconsidering the routine use of X-HF in such patients.
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A.V. is a young herpes simplex encephalitis (HSE) survivor who suffered extensive bilateral damage to the medial temporal lobe (MTL) leading to a severe and pervasive form of anterograde amnesia.

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Background: In European axial spondyloarthritis (axSpA) and psoriatic arthritis (PsA) clinical registries, we aimed to investigate commonalities and differences in (1) set-up, clinical data collection; (2) data availability and completeness; and (3) wording, recall period, and scale used for selected patient-reported outcome measures (PROMs).

Methods: Data was obtained as part of the EuroSpA Research Collaboration Network and consisted of (1) an online survey and follow-up interview, (2) upload of real-world data, and (3) selected PROMs included in the online survey.

Results: Fifteen registries participated, contributing 33,948 patients (axSpA: 21,330 (63%), PsA: 12,618 (37%)).

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Circulating tumor-tissue modified HPV DNA testing in the clinical evaluation of patients at risk for HPV-positive oropharynx cancer: The IDEA-HPV study.

Oral Oncol

December 2023

Harvard Medical School, Boston, MA, USA; Center for Surgery and Public Health, Brigham and Women's Hospital, Boston, MA, USA; Division of Otolaryngology-Head and Neck Surgery, Department of Surgery, Brigham and Women's Hospital, Boston, MA, USA; Center for Head and Neck Oncology, Dana-Farber Cancer Institute, Boston, MA, USA. Electronic address:

Objectives: While survival outcomes are favorable for Human Papillomavirus (HPV)-positive oropharyngeal squamous cell carcinomas (OPSCCs), early diagnosis may minimize treatment-related morbidity and mortality. This study evaluated circulating tumor tissue-modified viral (TTMV)-HPV DNA plasma testing to facilitate early diagnosis of HPV-positive OPSCCs.

Methods: In this prospective exploratory cohort study, patients presenting to an Otolaryngology-Head and Neck Surgery clinic with unexplained signs or symptoms considered high-risk for HPV-positive OPSCC were recruited between March 2021-October 2022.

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Stay away from authorship misconduct.

Fertil Steril

February 2024

Amsterdam UMC, Amsterdam Medical Center, Center for Reproductive Medicine, Amsterdam, Netherlands.

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Anaerobic Feces Processing for Fecal Microbiota Transplantation Improves Viability of Obligate Anaerobes.

Microorganisms

September 2023

Department of Gastroenterology and Hepatology, Amsterdam Gastroenterology Endocrinology Metabolism (AGEM), Amsterdam UMC, University of Amsterdam, 1105 AZ Amsterdam, The Netherlands.

Fecal microbiota transplantation (FMT) is under investigation for several indications, including ulcerative colitis (UC). The clinical success of FMT depends partly on the engraftment of viable bacteria. Because the vast majority of human gut microbiota consists of anaerobes, the currently used aerobic processing protocols of donor stool may diminish the bacterial viability of transplanted material.

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Long-Term Maternal Mental Health after Spontaneous Preterm Birth.

Am J Perinatol

May 2024

Department of Obstetrics, Reproduction and Development Research Institute, Amsterdam UMC, Vrije Universiteit Medical Center, Amsterdam, The Netherlands.

Objective: The aim of this study is to investigate whether a history of spontaneous preterm birth (SPTB) is associated with maternal depressive and anxiety symptoms, or psychosocial distress in the fifth decade of life.

Study Design: This is a secondary analysis of the PreCaris-study, a prospective observational study in which we included 350 women with a history of SPTB between 22 and 36 weeks of gestation and compared them to 115 women who had a term birth. Primary outcomes were the Depression and Anxiety scores measured using the Hospital Anxiety Depression Scale and Psychosocial distress assessed with the Distress Thermometer for Parents.

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Background: Diabetes mellitus (DM), chronic kidney disease (CKD), and heart failure (HF) are pathophysiologically linked and increasing in prevalence in Asian populations, but little is known about the interplay of DM and CKD on outcomes in HF.

Objectives: This study sought to investigate outcomes in patients with heart failure with preserved ejection fraction (HFpEF) vs heart failure with reduced ejection fraction (HFrEF) in relation to the presence of DM and CKD.

Methods: Using the multinational ASIAN-HF registry, we investigated associations between DM only, CKD only, and DM+CKD with: 1) composite of 1-year mortality or HF hospitalization; and 2) Kansas City Cardiomyopathy Questionnaire scores, according to HF subtype.

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Timely Diagnosis of Incubating Syphilis Infections Using Treponema pallidum Transcription-Mediated Amplification Assay.

Clin Infect Dis

December 2023

Department of Infectious Diseases, Public Health Laboratory, Public Health Service of Amsterdam, Amsterdam, The Netherlands.

Background: Syphilis is a complex, multistage, sexually transmitted infection (STI) caused by the bacterium Treponema pallidum subspecies pallidum (TP). New diagnostic tools are needed to minimize transmission. In this study, we aimed to assess the additional value of an investigational transcription-mediated amplification test for TP (TP-TMA) for routine diagnostics.

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The definition, diagnosis, and symptoms of the uterine niche - A systematic review.

Best Pract Res Clin Obstet Gynaecol

August 2023

Amsterdam University Medical Center, Location Vrije Universiteit Amsterdam, Department of Obstetrics & Gynaecology, De Boelelaan 1117, Amsterdam, the Netherlands; Amsterdam Reproduction and Development, Amsterdam, the Netherlands. Electronic address:

Of all neonates, 21% are delivered by cesarean section (CS). A long-term maternal complication of an SC is a uterine niche. The aim of this review is to provide an overview of the current literature on imaging techniques and niche-related symptomatology.

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Article Synopsis
  • This project developed a framework for managing patients with synchronous colorectal cancer and liver metastases, addressing terminology, diagnosis, and treatment strategies.* -
  • A multi-organizational consensus was reached through a Delphi process, resulting in twelve key statements with at least 70% agreement on issues like treatment pathways and tumor board composition.* -
  • Key findings include definitions for metastases timing, guidelines for clinical assessments, and recommendations for various treatment approaches, aimed at improving clinical practice for affected patients.*
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Pathophysiology of the right ventricle in health and disease: an update.

Cardiovasc Res

August 2023

Cardiology Division, San Paolo University Hospital, University of Milano, Milano, Italy.

The contribution of the right ventricle (RV) to cardiac output is negligible in normal resting conditions when pressures in the pulmonary circulation are low. However, the RV becomes relevant in healthy subjects during exercise and definitely so in patients with increased pulmonary artery pressures both at rest and during exercise. The adaptation of RV function to loading rests basically on an increased contractility.

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Context: Whole-gland ablation is a feasible and effective minimally invasive treatment for localized prostate cancer (PCa). Previous systematic reviews supported evidence for favorable functional outcomes, but oncological outcomes were inconclusive owing to limited follow-up.

Objective: To evaluate the real-world data on the mid- to long-term oncological and functional outcomes of whole-gland cryoablation and high-intensity focused ultrasound (HIFU) in patients with clinically localized PCa, and to provide expert recommendations and commentary on these findings.

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Platelet-Rich Plasma Injections for the Treatment of Ankle Osteoarthritis.

Am J Sports Med

August 2023

ACES, Amsterdam, the Netherlands; ACHSS, AMC/VUmc IOC Research Center, Amsterdam, the Netherlands; Aspetar, Orthopaedic and Sports Medicine Hospital, Doha, Qatar.

Background: Ankle osteoarthritis is debilitating and usually affects relatively young people, often as a result of previous ankle traumas, frequently occurring in sports. Platelet-rich plasma (PRP) injections for ankle osteoarthritis have shown no evidence of benefit over the course of 26 weeks. Previous studies on PRP for knee osteoarthritis showed that clinically significant improvements with PRP occurred between 6 to 12 months in the absence of initial benefit.

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Hypertensive disorders of pregnancy after multifetal pregnancy reduction: a systematic review and meta-analysis.

Hypertens Pregnancy

December 2023

Department of Obstetrics and Gynecology, Reproduction and Development Research Institute, Amsterdam UMC, VU Medical Center, Amsterdam, The Netherlands.

Objective: To systematically review the literature on hypertensive disorders of pregnancy (HDP) after multifetal pregnancy reduction (MFPR).

Methods: A comprehensive search in PubMed, Embase, Web of Science, and Scopus was performed. Prospective or retrospective studies reporting on MFPR from triplet or higher-order to twin compared to ongoing (i.

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Article Synopsis
  • Transvenous implantable cardioverter-defibrillator (ICD) shocks can lead to increased cardiac biomarkers and potential heart damage due to high voltage gradients, but data comparing these effects to subcutaneous ICDs (S-ICD) is limited.
  • A study used magnetic resonance imaging (MRI) to create a model comparing voltage gradients from S-ICDs and various transvenous ICD types, focusing on high gradients greater than 100 V/cm.
  • Results showed that S-ICDs produced smaller and more uniform voltage gradients in the heart, indicating lower risk of damage compared to transvenous ICDs, especially those with dual coils or closer coil positioning.
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Diagnosis of Lynch syndrome (LS) caused by a pathogenic germline MSH6 variant may be complicated by discordant immunohistochemistry (IHC) and/or by a microsatellite stable (MSS) phenotype. This study aimed to identify the various causes of the discordant phenotypes of colorectal cancer (CRC) and endometrial cancer (EC) in MSH6-associated LS. Data were collected from Dutch family cancer clinics.

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Objective: Age at rheumatoid arthritis (RA) onset varies by geographical latitude. We have investigated to what extent differences in patient-specific factors and country-level socioeconomic indicators explain this variability.

Methods: Patients with RA from the worldwide METEOR registry were included.

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Spontaneous preterm birth with placental maternal vascular malperfusion is associated with cardiovascular risk in the fifth decade of life.

J Reprod Immunol

August 2023

Department of Obstetrics, Amsterdam UMC, VU Medical Center, Amsterdam, the Netherlands; Amsterdam Reproduction and Development Research Institute, Amsterdam, the Netherlands; Department of Obstetrics, Reproduction and Development Research Institute, Amsterdam UMC, Amsterdam Medical Center, Amsterdam, the Netherlands.

Women with a history of spontaneous preterm birth (SPTB) have a mildly elevated cardiovascular risk (CVR) later in life and women with a history of preeclampsia have a highly elevated CVR. In placentas of women with preeclampsia pathological signs of maternal vascular malperfusion (MVM) are often seen. These signs of MVM are also seen in a substantial part of the placentas of women with SPTB.

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Outcomes after robotic thymectomy in nonthymomatous versus thymomatous patients with acetylcholine-receptor-antibody-associated myasthenia gravis.

Neuromuscul Disord

May 2023

Department of Neurology, Maastricht University Medical Center+, Maastricht, the Netherlands; School for Mental Health and Neuroscience, Maastricht University+, Maastricht, the Netherlands.

The aim of this study was to investigate the surgical and long-term neurological outcomes of patients with acetylcholine-receptor-antibody-associated myasthenia gravis (AChR-MG) who underwent robotic thymectomy (RATS). We retrospectively analyzed the clinical-pathological data of all patients with AChR-MG who underwent RATS using the DaVinci® Robotic System at the MUMC+ between April 2004 and December 2018. Follow-up data were collected from 60 referring Dutch hospitals.

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Quantitative chemical shift imaging (QCSI) is the most sensitive imaging biomarker to assess bone marrow involvement in Gaucher disease. Widespread QCSI use is limited by test availability. Anecdotal reports describe two patients demonstrating significant improvement in fat fraction (FF) assessed by QCSI following a switch from imiglucerase to taliglucerase alfa.

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