Publications by authors named "Pierre-Olivier Bridevaux"

Purpose: Although studies have evaluated benralizumab, a monoclonal IL-5 receptor α antibody in severe eosinophilic asthma (SEA), in real-world settings, additional evidence is needed to further characterize its effectiveness in specific patient populations. Our study aimed to evaluate asthma control over 56 weeks in patients treated with benralizumab in Swiss real-world settings.

Patients And Methods: Conducted across 13 centres, this prospective, observational, non-interventional study involved 73 adults with physician confirmed SEA.

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In Switzerland, additional vaccinations against influenza, COVID-19, Streptococcus pneumoniae and varicella zoster virus (VZV), are recommended for patients with chronic lung diseases such as COPD, asthma or interstitial lung disease, since infectious diseases often lead to exacerbation of lung diseases resulting in increased disease burden and mortality. In this review we give an overview on recommended vaccinations for patients with chronic lung diseases, also including vaccinations against pertussis and RSV, which are recommended in international guidelines. While continuous development of vaccines against S.

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  • * Potential causes of this syndrome include chronic thromboembolic pulmonary disease, necessitating specialized testing like echocardiography and pulmonary scintigraphy.
  • * It's crucial to identify this condition, as around 20% of patients may still feel symptoms like exertional dyspnea, requiring tailored management strategies.
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  • Fatigue is a common symptom in post-COVID patients, with some experiencing excessive daytime sleepiness, which may be treatable.
  • A study examined 530 post-COVID patients, identifying four cases of central hypersomnia connected to their COVID-19 infection.
  • Treatment with methylphenidate was effective for three patients, while one experienced spontaneous recovery, indicating the potential for addressing this condition.
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Background: Patients with chronic obstructive pulmonary disease (COPD) often suffer from acute exacerbations. Our objective was to describe recurrent exacerbations in a GP-based Swiss COPD cohort and develop a statistical model for predicting exacerbation.

Methods: COPD cohort demographic and medical data were recorded for 24 months, by means of a questionnaire-based COPD cohort.

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(1) Introduction: Chronic obstructive pulmonary disease (COPD) and its associated morbidity and mortality are a global burden on both affected patients and healthcare systems. The Global Initiative for Chronic Obstructive Lung Disease (GOLD) issues guidelines with the aim of improving COPD management. Previous studies reported significant variability in adherence to these recommendations.

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Asthma, a chronic inflammatory lung disease affecting about 10 % of the population, involves both the general internist and the pulmonologist. The risk of over and underdiagnosis generates significant health costs and evitable clinical consequences. Improved screening through dedicated anamneses and questionnaires, as well as use of fractional exhaled nitric oxide (FeNO) may improve the diagnosis of asthma in general internal medicine.

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  • Asthma affects over 300 million people globally, with 5-10% experiencing severe asthma and contributing significantly to healthcare costs.
  • This study focused on characterizing 278 severe asthma patients in Switzerland through the Swiss Severe Asthma Registry, evaluating various health factors and asthma control statistics.
  • Results showed that biologic treatments are linked to better asthma control, while factors like higher BMI and use of oral steroids negatively impact management, highlighting the need for further research in this area.
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Chronic obstructive pulmonary disease (COPD) is a heterogeneous lung disorder with a complex clinical picture. The diagnosis may be difficult at times, as COPD may develop insidiously and remain unnoticed for a long time. Therefore, general practitioners play a central role in early detection of disease.

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Background: Dysfunctional breathing is increasingly recognised after SARS-CoV-2 infection, but the associated symptoms, functional impact and quality of life have not been systematically studied.

Methods: This study describes a prospective case series of 48 patients with dysfunctional breathing based on compatible symptoms and an abnormal breathing pattern during cardiopulmonary exercise testing. Patients with underlying disease that could explain these symptoms were excluded.

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COPD - An Underestimated Disease Chronic obstructive pulmonary disease (COPD) is a heterogeneous lung condition with a complex clinical picture. The diagnosis is not easy to make because COPD can develop insidiously and remain unnoticed for a long time. Therefore, general practitioners play a central role in the early detection of the disease.

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Background: Interstitial lung diseases (ILD), such as idiopathic pulmonary fibrosis (IPF) and non-specific interstitial pneumonia (NSIP), and chronic obstructive pulmonary disease (COPD) are severe, progressive pulmonary disorders with a poor prognosis. Prompt and accurate diagnosis is important to enable patients to receive appropriate care at the earliest possible stage to delay disease progression and prolong survival. Artificial intelligence-assisted lung auscultation and ultrasound (LUS) could constitute an alternative to conventional, subjective, operator-related methods for the accurate and earlier diagnosis of these diseases.

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  • Patients recovering from severe COVID-19 exhibited poorer lung function compared to those with non-severe cases after 12 months, specifically in measures like diffusion capacity and lung capacity.
  • While overall lung function improved for both groups over the year, the gap in lung performance between severe and non-severe cases narrowed over time.
  • Chest CT scans showed a correlation between lingering lung function issues and radiological abnormalities, with some patterns worsening even as other abnormalities reduced.
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Over 20 years ago, the concept of asthma control was created and appropriate measurement tools were developed and validated. Loss of asthma control can lead to an exacerbation. Years ago, the term "clinically significant asthma exacerbation" was introduced to define when a loss of control is severe enough to declare it an asthma exacerbation.

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For general practitioners there have been important novelties in the treatment of asthma due to recent modifications of the international guidelines from Global Initiative for Asthma (GINA). In Step 1, use of short-acting beta2-agonists (SABA) without concomitant inhaled corticosteroids (ICS) as controller is no longer recommended for lack of efficacy and safety reasons. Instead, low dose ICS-formoterol as needed is recommended.

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Once reserved for the fittest, worldwide altitude travel has become increasingly accessible for ageing and less fit people. As a result, more and more individuals with varying degrees of respiratory conditions wish to travel to altitude destinations. Exposure to a hypobaric hypoxic environment at altitude challenges the human body and leads to a series of physiological adaptive mechanisms.

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Background: Atypical pathogens (AP), present in some patients with community-acquired pneumonia (CAP), are intrinsically resistant to betalactam drugs, the mainstay of empirical antibiotic treatment. Adding antibiotic coverage for AP increases the risk of adverse effects and antimicrobial selection pressure, while withholding such coverage may worsen the prognosis if an AP is causative. A clinical model predicting the presence of AP would allow targeting atypical coverage for patients most likely to benefit.

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Background: The Clinical Frailty Scale (CFS) is increasingly used for clinical decision making in acute care but little is known about frailty after COVID-19.

Objectives: To investigate frailty and the CFS for post-COVID-19 follow-up.

Methods: This prospective multicentre cohort study included COVID-19 survivors aged ≥50 years presenting for a follow-up visit ≥3 months after the acute illness.

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Background: 'Long COVID'-associated dyspnoea may persist for months after SARS-CoV-2 infection. Among the causes of persistent dyspnoea, dysfunctional breathing (DB), defined as an erratic or inappropriate ventilation at rest or exercise, has been observed, but little is known about its occurrence and pathophysiology among individuals with 'long COVID'. We aimed to describe the occurrence and identify clinical predictors of DB among patients following SARS-CoV-2 infection.

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Amiodarone is a class III antiarrhythmic drug effective in the treatment of ventricular arrhythmias and atrial fibrillation. The prolonged half-life and lipo-solubility are responsible for its accumulation in tissues and its toxicity ranges from mild to severe. Main adverse effects are observed on thyroid, pulmonary and cardiac system.

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Novelties in the Treatment of Asthma For general practitioners there have been important novelties in the treatment of asthma due to recent modifications of the international guidelines from Global Initiative for Asthma (GINA). Step 1 no longer recommends the use of short-acting β2-agonists (SABA) without concomitant inhaled corticosteroids (ICS) as a controller because of the lack of efficacy and for safety reasons. Instead, low dose ICS-formoterol as needed is recommended.

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Introduction: Emerging evidence suggests that long-term pulmonary symptoms and functional impairment occurs in a proportion of individuals following SARS-CoV-2 infection. Although the proportion of affected patients remains to be determined, physicians are increasingly being confronted with patients reporting respiratory symptoms and impairment beyond the acute phase of COVID-19. In face of limited evidence, the Swiss Society for Pulmonology established a working group to address this area of unmet need and formulated diagnostic and treatment recommendations for the care of patients with pulmonary long COVID (LC).

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Article Synopsis
  • Many people experience lasting physical or mental symptoms after recovering from a SARS-CoV-2 infection, commonly known as long Covid.
  • It's important to investigate any specific organ damage to understand these ongoing symptoms and determine appropriate treatments.
  • Specialized follow-up consultations can help assess patients, coordinate further tests, provide treatment options, and guide them to additional care, while also contributing valuable data to reduce long Covid’s impact on public health.
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Background: The infectious coronavirus disease 2019 (COVID-19) pandemic is an ongoing global healthcare challenge. Up to one-third of hospitalised patients develop severe pulmonary complications and acute respiratory distress syndrome. Pulmonary outcomes following COVID-19 are unknown.

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