Publications by authors named "Metivier A"

Article Synopsis
  • * One phenotype experienced more severe pain and poorer quality of life, while the other had milder pain and better quality of life.
  • * Factors like treatment history, painkiller use, income level, and certain comorbidities were linked to the severe pain phenotype, highlighting the complexity of pain experiences in endometriosis patients.
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  • Lung cancer is a leading cause of cancer-related deaths, and France currently lacks a national screening program for it.
  • The Foch Hospital launched a pilot program for low-dose CT screening to assess its effectiveness, targeting individuals aged 50-80 with significant smoking histories.
  • Out of 477 participants, a small percentage (1.7%) showed positive nodules on scans, with the majority of detected cancers (66.7%) found at early stages, indicating the feasibility of structured screening in identifying treatable cases.
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Background: Ongoing child removal of Indigenous children within child welfare systems is problematic. Alaska Native youth are disproportionately affected by the trauma of separation from important connectedness relationships.

Objective: To take previous research a step further by identifying relational and systemic changes that need to happen in the Alaska child welfare system so that connectedness is supported for child and collective wellbeing.

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  • The study aimed to evaluate the mortality rates of patients with thoracic cancers during the Omicron COVID-19 wave and the impact of vaccinations on their outcomes.
  • The research, including data from 346 patients, showed a significantly lower overall mortality of 3.2% compared to earlier pandemic waves, with evidence that booster vaccinations improved protection against hospitalization and death.
  • Despite these improvements, around 56.4% of patients experienced delays in cancer treatment, which may negatively impact cancer-related survival rates.
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Introduction: Patients with thoracic malignancies are at increased risk for mortality from coronavirus disease 2019 (COVID-19), and a large number of intertwined prognostic variables have been identified so far.

Methods: Capitalizing data from the Thoracic Cancers International COVID-19 Collaboration (TERAVOLT) registry, a global study created with the aim of describing the impact of COVID-19 in patients with thoracic malignancies, we used a clustering approach, a fast-backward step-down selection procedure, and a tree-based model to screen and optimize a broad panel of demographics and clinical COVID-19 and cancer characteristics.

Results: As of April 15, 2021, a total of 1491 consecutive eligible patients from 18 countries were included in the analysis.

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Dabrafenib plus trametinib combination is approved in Europe for V600E-mutant metastatic non-small-cell lung cancer (NSCLC). The objective of this study was to assess efficacy and safety of this combination in a real-world setting. This retrospective multicentric study included 40 patients with advanced NSCLC harboring V600E mutation and receiving dabrafenib plus trametinib.

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Introduction: About 2-3% of non-small-cell lung cancers (NSCLCs) harbor MET exon-14-skipping (METex14) mutations. Efficacy of the MET-inhibitor crizotinib has been reported, but progression-free survival (PFS) was very short. Immune-checkpoint inhibitors (ICIs) have become a cornerstone of NSCLC treatment but appear to be less effective in non-smokers and against tumors exhibiting oncogenic addiction.

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Background: Respiratory infections are a major threat for lung recipients. We aimed to compare with a monocentric study the impact of late viral and bacterial respiratory infections on the graft function.

Methods: Patients, who survived 6 months or more following lung transplantation that took place between 2009 and 2014, were classified into three groups: a viral infection group (VIG) (without any respiratory bacteria), a bacterial infection group (BIG) (with or without any respiratory viruses), and a control group (CG) (no documented infection).

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We report here the first cases, to our knowledge, of pulmonary arterial hypertension induced by lorlatinib. It s the first time that a tyrosine kinase inhibitor for lung cancer is associated with pulmonary arteriel hypertension.

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Article Synopsis
  • Immunotherapy, particularly immune-checkpoint inhibitors (ICI), is now a standard treatment for many cancers but can lead to adverse events like interstitial lung disease (ILD).
  • A study identified that 3.5% of cancer patients receiving ICI developed ILD, predominantly affecting males and those with smoking history, with a median onset time of 2.3 months.
  • Common radiological findings included ground-glass opacities and consolidations, and after 6 months, the overall survival rate for affected patients was 58.1%.
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  • Methane-utilizing bacteria, known as methanotrophs, have potential for bio-catalysis but require genetic and physiological tweaks for large-scale production of valuable chemicals or biofuels.
  • A detailed metabolic model was developed for Methylomicrobium buryatense strain 5G(B1) to explore engineering strategies for enhancing biofuel and chemical production.
  • The final model includes 841 reactions in 167 pathways, indicating that effective methane and methanol oxidation relies on efficient electron transfer, and highlighting the need for additional NADH under certain growth conditions to enhance oxidation efficiency.
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Rationale: Cystic lung light chain deposition disease (LCDD) is a severe and rare form of nonamyloid kappa light chain deposits localized in the lung, potentially leading to end-stage respiratory insufficiency.

Objectives: To assess the outcome after lung transplantation (LT) in this setting with particular attention to disease recurrence.

Methods: We conducted a retrospective multicenter study of seven patients who underwent LT for cystic lung LCDD in France between September 1992 and June 2012 in five centers.

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Background: New methods of solid-phase assays, such as Luminex assay, with high sensitivity in detecting anti-human leukocyte antigen (HLA) antibodies (Abs), have increased the proportion of sensitized candidates waiting for lung transplantation (LTx). However, how to apply these results clinically during graft allocation is debated: strict exclusion of candidates with Luminex-positive results can lead to lost opportunities for Tx. We retrospectively analyzed the clinical impact of pre-LTx Luminex-detected Abs on post-LTx outcomes for patients who underwent LTx before the availability of Luminex assay.

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Three weeks after single-lung transplantation for pulmonary fibrosis, a patient with high serum levels of de novo donor-specific antibodies received high-dose intravenous immunoglobulin (IVIG) infusion (scheduled dose: 2 g/kg on 2 days) to prevent antibody-mediated rejection. Within the first hours after completion of infusions, he experienced acute lung injury involving the transplanted lung. Given the clinical evolution and the absence of an alternative diagnosis, transfusion-related acute lung injury (TRALI) was diagnosed.

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The purpose of this pilot study was to investigate the efficacy of in-home telerehabilitation for people with Chronic Obstructive Pulmonary Disease (COPD). Three community-living elders with COPD were recruited in a rehabilitation outpatient group and by direct referrals from pneumologists with outpatients who have COPD. A pre/post-test design without a control group was used for this pilot study.

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Objectives: It was previously shown that dehydroepiandrosterone (DHEA) reverses chronic hypoxia-induced pulmonary hypertension (PH) in rats, but whether DHEA can improve the clinical and hemodynamic status of patients with PH associated to chronic obstructive pulmonary disease (PH-COPD) has not been studied whereas it is a very severe poorly treated disease.

Patients And Methods: Eight patients with PH-COPD were treated with DHEA (200mg daily orally) for 3 months. The primary end-point was the change in the 6-minute walk test (6-MWT) distance.

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Currently, most congenital lower respiratory tract malformations are detected during pregnancy or at birth, thanks to antenatal imaging. However, a pulmonary congenital cystic adenomatoid disease may be found in adulthood. The diagnosis is difficult, due to its rarity.

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Vascular diseases have become the leading cause of mortality in the population treated for HIV infection. Pulmonary arterial hypertension (PAH) related to HIV (PAH-HIV), the fourth cause of PAH in France, has the same histological pattern as other PAH from the group 1 of Dana Point classification. But, conversely to idiopathic PAH in the general population, PAH-HIV is particular by its high frequency in HIV-infected population.

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Unlabelled: We report two cases of percutaneous portal embolization of pancreatic islets performed after double lung transplantation in cystic fibrosis (CF) patients using the pancreas of the same donor. CASE 1: A 19-year-old man with CF had insulin-dependent diabetes, which was poorly controlled despite an external insulin pump (96 IU/d): HbA(1c) = 9.8% and 1 to 3 hypoglycemic events per day.

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We report the case of a man who underwent a left-lung transplantation for pulmonary fibrosis and who developed deterioration of his respiratory condition at Day 16 post-operatively, with marked hypoxemia not explained by the usual early respiratory complications of lung transplantation. Contrast-enhanced transthoracic echocardiography identified a patent foramen ovale with massive spontaneous right-to-left shunting. As for the pathogenesis of this right-to-left shunting, we found no evidence supporting an elevation of right-side pressures, with the redirection of the inferior vena cava flow toward the patent foramen ovale being the suspected mechanism.

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Introduction: Castleman's disease is a rare orphan disease. The prevalence is estimated at less than 1/100 000. Respirologists may encounter this disease when its thoracic manifestations occur.

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Introduction: Lung transplantation (LT) is accepted as a therapeutic option in a wide range of end stage lung diseases, with evidence supporting survival and quality of life benefits in transplant recipients. Appropriate patients who have good chance of survival with transplantation should be identified carefully.

State Of The Art: Four diagnoses account for approximately 80% of transplant recipients: chronic obstructive pulmonary disease, idiopathic pulmonary fibrosis, cystic fibrosis and alpha-1-antitrypsin deficiency emphysema.

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Angiosarcoma represents 1 to 2% of soft tissue tumors. It originates from endothelial cells of small blood vessels and may affect a variety of organs, including the retroperitoneum, skeletal muscle, subcutis, liver, heart and breast. The outcome of angiosarcoma is poor for those patients in whom aggressive surgery cannot be considered.

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