Sökning: "Lung volume"

Visar resultat 1 - 5 av 42 uppsatser innehållade orden Lung volume.

  1. 1. Jämförelse av stationär och mobil spirometriutrustning vid utförandet av dynamisk spirometri : En metodjämförelse mellan Vyntus™ One och Aiocare™ Vyaire

    Kandidat-uppsats, Örebro universitet/Institutionen för hälsovetenskaper

    Författare :Malin Bengtsson; [2023]
    Nyckelord :Dynamic spirometry; mobile spirometry equipment; forced vital capacity FVC ; forced expiratory volume under one secund FEV1 ; Dynamisk spirometri; mobil spirometriutrustning; forcerad vitalkapacitet FVC ; forcerad exspiratorisk volym under en sekund FEV1 ;

    Sammanfattning : Introduktion  Genom dynamisk spirometri går det att beräkna kvoten mellan forcerad exspiratorisk volym under en sekund och forcerad vitalkapacitet (FEV1/FVC) där ett värde på ≤0,7 tyder på obstruktiv lungsjukdom. Mobil spirometriutrustning skulle kunna möjliggöra tidigare diagnostisering av obstruktiva lungsjukdomar men även fungera som ett kostnadseffektivt alternativ vid enklare undersökningar. LÄS MER

  3. 2. Clinical Assessment of Deep Learning-Based Uncertainty Maps in Lung Cancer Segmentation

    Master-uppsats, KTH/Skolan för kemi, bioteknologi och hälsa (CBH)

    Författare :Federica Carmen Maruccio; [2023]
    Nyckelord :3D U-Net; Contouring; Clinical validation; Deep learning; Lung cancer; Monte Carlo dropout; Probability map; Reliability diagram; Segmentation; Uncertainty map;

    Sammanfattning : Prior to radiation therapy planning, tumours and organs at risk need to be delineated. In recent years, deep learning models have opened the possibility of automating the contouring process, speeding up the procedures and helping clinicians. LÄS MER

  4. 3. Correlation between Surface and Tumour Motion in Lung Cancer - including Deep Learning Perspectives

    Master-uppsats, Lunds universitet/Sjukhusfysikerutbildningen

    Författare :Caisa Kjellström; [2023]
    Nyckelord :Medicine and Health Sciences;

    Sammanfattning : Purpose: The purpose of this master thesis was to retrospectively investigate correlation between surface and tumour motion in lung cancer patients, alongside deep learning applications of the results. Additional correlations such as age, tumour volume and anatomical placement of the tumour were also investigated. LÄS MER

  5. 4. Uncertainties in the use of synthetic CT (sCT) for daily online adaptive radiotherapy for lung cancer

    Master-uppsats, Lunds universitet/Sjukhusfysikerutbildningen

    Författare :Johansson Vivika; [2023]
    Nyckelord :Medicine and Health Sciences;

    Sammanfattning : Background and purpose: Cone Beam Computed Tomography (CBCT) based online adaptive radiotherapy (oART) has been clinically implemented for several anatomical sites worldwide. However, random and abrupt anatomical changes with large density alterations can occur in lung patients, leading to uncertainties with synthetic computed tomography (sCT) and dose calculation. LÄS MER

  7. 5. Simulations and modeling of light propagation in biological tissue

    Master-uppsats, Lunds universitet/Förbränningsfysik; Lunds universitet/Fysiska institutionen; Lunds universitet/Lunds Tekniska Högskola

    Författare :Emma Hjörneby; [2023]
    Nyckelord :Technology and Engineering;

    Sammanfattning : The GASMAS technique has previously proven useful for examining and measuring the oxygen concentration in the lungs of preterm infants. GASMAS can distinguish absorption by one gas from the bulk absorption of the surrounding media, and can provide an instant, non-invasive and non-destructive way of examining lungs, and diagnosing dangerous conditions such as pneumothorax. LÄS MER