keyword
https://read.qxmd.com/read/38319270/-lung-pathology-in-children-with-a-long-term-novel-coronavirus-infection-covid-19
#21
JOURNAL ARTICLE
R A Nasyrov, V A Galichina, V N Timchenko, O L Krasnogorskaya, A S Chepelev, E P Fedotova, N A Sidorova, A A Agafonnikova, N M Anichkov
UNLABELLED: New coronavirus infection is registered less frequently in children than in adults. Among all patients with COVID-19, the share of children is 8.6%. Clinical practice shows that in children, COVID-19 can be severe and even fatal. Articles have been published reflecting the clinical manifestations of Long Covid in children, while data on pathomorphological examination of the lungs during long-term COVID-19 in children are not available in the literature. On the basis of the Department of Pathological Anatomy with a course of Forensic Medicine and the Pathological-Anatomical Department of the Clinic of St...
2024: Arkhiv Patologii
https://read.qxmd.com/read/38318594/quadratus-lumborum-block-for-ovarian-cystectomy-surgery-in-a-patient-with-severe-kyphoscoliosis
#22
Zhi Yuen Beh, Chuang Shin Mok, Woon Lai Lim, Hing Wa Yip, Pui San Loh, Mohd Afiq Syahmi Ramli, Siti Zawiah Omar
Quadratus lumborum block (QLB) has been described as a regional analgesic technique in various abdominal surgeries. We present a case report of a high-risk patient who underwent ovarian cystectomy with QLB and deep sedation after failed neuraxial anesthesia. A 29-year-old female patient with comorbidities osteogenesis imperfecta, severe kyphoscoliosis with restrictive lung disease, and cervical syringomyelia with cranio-cervical junction stenosis (C2/C3). The patient had large ovarian cysts with associated dyspnea...
January 2024: Curēus
https://read.qxmd.com/read/38293398/effect-of-microplastics-deposition-on-human-lung-airways-a-review-with-computational-benefits-and-challenges
#23
JOURNAL ARTICLE
Suvash C Saha, Goutam Saha
Microplastics have become omnipresent in the environment, including the air we inhale, the water we consume, and the food we eat. Despite limited research, the accumulation of microplastics within the human respiratory system has garnered considerable interest because of its potential implications for health. This review offers a comprehensive examination of the impacts stemming from the accumulation of microplastics on human lung airways and explores the computational benefits and challenges associated with studying this phenomenon...
January 30, 2024: Heliyon
https://read.qxmd.com/read/38286743/a-novel-gelatinized-barium-sulfate-injection-method-for-assessment-of-bronchoalveolar-lavage-parameters
#24
JOURNAL ARTICLE
Alexander R Gross, Temitope Kehinde, Lindsey Morais, Marshall Hutchison, Joy Grise, Nada Mohamed, Varun Badami, Haroon Ahmed, Matthew J Zdilla, Jeffrey A Vos, Austin G Gross, Rachel Leonard
INTRODUCTION: Bronchoalveolar lavage (BAL) is frequently used in pulmonary medicine though it requires further optimization. Practical obstacles such as patient safety and procedural limitation have to date precluded large, controlled trials aimed at standardization of BAL procedure. Indeed, BAL guidelines are based on observational data. Innovative research methods are necessary to advance the clinical practice of BAL. METHODS: In our study, we evaluated the effect of injecting a gelatinized barium solution into different lobes and segments of cadaveric lungs...
January 2024: Clinical Respiratory Journal
https://read.qxmd.com/read/38276117/developing-a-virtual-reality-simulation-system-for-preoperative-planning-of-robotic-assisted-thoracic-surgery
#25
JOURNAL ARTICLE
Hideki Ujiie, Ryohei Chiba, Aogu Yamaguchi, Shunsuke Nomura, Haruhiko Shiiya, Aki Fujiwara-Kuroda, Kichizo Kaga, Chad Eitel, Tod R Clapp, Tatsuya Kato
Background . Robotic-assisted thoracic surgery (RATS) is now standard for lung cancer treatment, offering advantages over traditional methods. However, RATS's minimally invasive approach poses challenges like limited visibility and tactile feedback, affecting surgeons' navigation through com-plex anatomy. To enhance preoperative familiarization with patient-specific anatomy, we devel-oped a virtual reality (VR) surgical navigation system. Using head-mounted displays (HMDs), this system provides a comprehensive, interactive view of the patient's anatomy pre-surgery, aiming to improve preoperative simulation and intraoperative navigation...
January 21, 2024: Journal of Clinical Medicine
https://read.qxmd.com/read/38273458/on-creation-pneumothorax-death-and-the-breath-of-god
#26
REVIEW
Robbie Maakestad
No abstract text is available yet for this article.
January 25, 2024: Anatomical Sciences Education
https://read.qxmd.com/read/38266298/respiratory-motion-modelling-for-mr-guided-lung-cancer-radiotherapy-model-development-and-geometric-accuracy-evaluation
#27
JOURNAL ARTICLE
Björn Eiben, Jenny Bertholet, Elena Huong Tran, Andreas Wetscherek, Anna-Maria Shiarli, Simeon Nill, Uwe Oelfke, Jamie R McClelland
Respiratory motion of lung tumours and adjacent structures is challenging for radiotherapy. Online MR-imaging cannot currently provide real-time volumetric information of the moving patient anatomy, therefore limiting precise dose delivery, delivered dose reconstruction, and downstream adaptation methods. 

Approach: We tailor a respiratory motion modelling framework towards an MR-Linac workflow to estimate the time-resolved 4D motion from real-time data. We develop a multi-slice acquisition scheme which acquires thick, overlapping 2D motion-slices in different locations and orientations, interleaved with 2D surrogate-slices from a fixed location...
January 24, 2024: Physics in Medicine and Biology
https://read.qxmd.com/read/38253326/implantation-corridors-in-canine-thoracic-vertebrae-a-morphometric-study-in-dogs-of-varying-sizes
#28
JOURNAL ARTICLE
Julianna C Sabol, Christopher L Mariani
OBJECTIVE:  Surgical stabilization to treat fractures, luxations, and congenital malformations in the thoracic spine can be difficult due to its unique anatomy and surrounding structures. Our objective was to document the morphometrics of the thoracic vertebrae relating to an ideal trajectory for dorsolateral implant placement in a variety of dog sizes and to assess proximity to important adjacent critical anatomical structures using computed tomography (CT) studies. STUDY DESIGN:  Medical records for 30 dogs with thoracic CT were evaluated...
January 22, 2024: Veterinary and Comparative Orthopaedics and Traumatology: V.C.O.T
https://read.qxmd.com/read/38237032/practical-considerations-in-dose-extrapolation-from-animals-to-humans
#29
REVIEW
Anthony J Hickey, Sara E Maloney, Phillip J Kuehl, Jonathan E Phillips, Ronald K Wolff
Animal studies are an important component of drug product development and the regulatory review process since modern practices have been in place, for almost a century. A variety of experimental systems are available to generate aerosols for delivery to animals in both liquid and solid forms. The extrapolation of deposited dose in the lungs from laboratory animals to humans is challenging because of genetic, anatomical, physiological, pharmacological, and other biological differences between species. Inhaled drug delivery extrapolation requires scrutiny as the aerodynamic behavior, and its role in lung deposition is influenced not only by the properties of the drug aerosol but also by the anatomy and pulmonary function of the species in which it is being evaluated...
January 17, 2024: Journal of Aerosol Medicine and Pulmonary Drug Delivery
https://read.qxmd.com/read/38234116/sorting-lung-tumor-volumes-from-4d-mri-data-using-an-automatic-tumor-based-signal-reduces-stitching-artifacts
#30
JOURNAL ARTICLE
Mark Warren, Alexander Barrett, Neeraj Bhalla, Michael Brada, Robert Chuter, David Cobben, Cynthia L Eccles, Clare Hart, Ehab Ibrahim, Jamie McClelland, Marc Rea, Louise Turtle, John D Fenwick
PURPOSE: To investigate whether a novel signal derived from tumor motion allows more precise sorting of 4D-magnetic resonance (4D-MR) image data than do signals based on normal anatomy, reducing levels of stitching artifacts within sorted lung tumor volumes. METHODS: (4D-MRI) scans were collected for 10 lung cancer patients using a 2D T2-weighted single-shot turbo spin echo sequence, obtaining 25 repeat frames per image slice. For each slice, a tumor-motion signal was generated using the first principal component of movement in the tumor neighborhood (TumorPC1)...
January 17, 2024: Journal of Applied Clinical Medical Physics
https://read.qxmd.com/read/38230831/radiographic-and-sonographic-features-and-histogram-parameters-of-the-liver-and-spleen-in-healthy-toco-toucans-ramphastos-toco-m%C3%A3-ller-1976
#31
JOURNAL ARTICLE
Jeana Pereira da Silva, Sheila Canevese Rahal, Anneke Moresco, Maria Cristina Reis Castiglioni, Michel de Campos Vettorato, Luna Scarpari Rolim, Ricardo Shoiti Ichikawa, Maria Jaqueline Mamprim
This study aimed to evaluate radiographic and sonographic features, and histogram parameters based on grayscale ultrasound of the liver and spleen in healthy toco toucans. Fifteen adult toco toucans (Ramphastos toco), seven females and eight males, weighing approximately 650 g, were enrolled in the study. On the right lateral radiographic view, the liver was visualized in the midventral region of the coelomic cavity; ultrasonographically, the liver was located in the middle portion of the coelomic cavity in close relationship to the heart, and thoracic and abdominal air sacs...
January 2024: Anatomia, Histologia, Embryologia
https://read.qxmd.com/read/38226628/two-cases-of-lower-lobe-segmentectomy-left-and-right-using-the-lung-inverted-approach-in-a-robotic-operation
#32
Hitoshi Igai, Kazuhito Nii, Mitsuhiro Kamiyoshihara
In pulmonary segmentectomy, the dominant pulmonary arteries are conventionally divided at the fissure. However, this approach sometimes leads to accidental injury of the pulmonary artery and prolonged air leaks when the fissure is fused. To overcome these problems, we have adopted the lung-inverted approach without dissection of a fissure for segmentectomy, taking advantage of the good view provided by robotic surgery. We have successfully performed a robotic left S10 or right S6 segmentectomy using the lung-inverted approach...
January 16, 2024: Multimedia Manual of Cardiothoracic Surgery: MMCTS
https://read.qxmd.com/read/38220472/the-oxygen-uptake-efficiency-slope-in-adults-with-chd-group-validity
#33
JOURNAL ARTICLE
J M Redfern, S Hawkes, A Bryan, D Cullington, R Ashrafi
The maximal oxygen uptake (V02 max) is a well-validated measure of cardiorespiratory function that is calculated during a maximal cardiopulmonary exercise test. V02 max enables physicians to objectively assess cardiopulmonary function to aid in decision-making for patients with CHD. A significant proportion of these patients however are unable to achieve a maximal exercise test, and as such, there is a need for reliable submaximal predictors of cardiorespiratory reserve.The oxygen uptake efficiency slope represents a measure of how effectively oxygen is extracted from the lungs and taken into the body and can be calculated from a submaximal exercise test...
January 15, 2024: Cardiology in the Young
https://read.qxmd.com/read/38219513/bronchial-artery-to-pulmonary-artery-fistula-initially-misdiagnosed-as-pulmonary-embolism-a-case-report
#34
Shivam Khatri, Steven Epstein, Rooshi Parikh, Brian Bobby Chiong
INTRODUCTION: Bronchopulmonary arterial fistulas have been reported following lung transplant, and in association with COPD, trauma, radiation therapy, and infection. They may also arise congenitally. Embolization is the most frequent treatment. CASE PRESENTATION: We present a case of a 58-year-old male with a prior history of pulmonary tuberculosis who initially presented with minimal hemoptysis for several months. Right upper lobe bronchial artery to pulmonary artery fistulas were discovered by angiography...
January 11, 2024: International Journal of Surgery Case Reports
https://read.qxmd.com/read/38207110/off-isocentric-vmat-technique-for-breast-cancer-effective-dose-reduction-to-organs-at-risk-and-its-applicability-based-on-patient-anatomy
#35
JOURNAL ARTICLE
Igor Prokofev, Nidal Salim
PURPOSE: This study aims to explore the off-isocentric volumetric modulated arc therapy (offVMAT) technique for breast cancer and determine its applicability based on patient anatomical parameters. METHODS: We retrospectively analyzed 44 breast cancer patients with varied lymph node involvement using different arc designs. Off-isocentric techniques were benchmarked against previously published arc techniques: classic arcs (clVMAT), tangential arcs (tVMAT), and split arcs (spVMAT)...
January 11, 2024: Journal of Applied Clinical Medical Physics
https://read.qxmd.com/read/38195463/four-different-models-for-simulation-based-training-of-bronchoscopic-procedures
#36
JOURNAL ARTICLE
Sissel Højsted Kronborg, Dan Stieper Karbing, Arman Arshad, Anna Charlotte Lundgaard
BACKGROUND: Flexible bronchoscopy procedures require detailed anatomical knowledge and advanced technical skills. Simulation-based training offers a patient-safe training environment that can be more efficient than patient-based training. Physical models are cheaper than virtual reality simulators and allow trainees to be acquainted with the equipment used in the clinic. The choice of a physical model for training depends on the local context. The aim of this study was to compare four different bronchoscopy models for flexible bronchoscopy training...
January 9, 2024: BMC Pulmonary Medicine
https://read.qxmd.com/read/38194843/deep-silicon-photon-counting-ct-a-first-simulation-based-study-for-assessing-perceptual-benefits-across-diverse-anatomies
#37
JOURNAL ARTICLE
Shobhit Sharma, Debashish Pal, Ehsan Abadi, Paul Segars, Jiang Hsieh, Ehsan Samei
OBJECTIVES: To assess perceptual benefits provided by the improved spatial resolution and noise performance of deep silicon photon-counting CT (Si-PCCT) over conventional energy-integrating CT (ECT) using polychromatic images for various clinical tasks and anatomical regions. MATERIALS AND METHODS: Anthropomorphic, computational models were developed for lungs, liver, inner ear, and head-and-neck (H&N) anatomies. These regions included specific abnormalities such as lesions in the lungs and liver, and calcified plaques in the carotid arteries...
December 26, 2023: European Journal of Radiology
https://read.qxmd.com/read/38188943/lingular-intralobar-pulmonary-sequestration-supplied-by-the-left-inferior-phrenic-artery-arising-from-the-left-gastric-artery-a-case-report-and-literature-review
#38
Massupa Krisem, Thanyakamol Phongnarudech, Suthinee Hengriprasopchoke, Peerapat Thanapongsatorn
Pulmonary sequestration is characterized by a nonfunctional mass of lung tissue with an aberrant blood supply. Intralobar pulmonary sequestration (IPS) typically affects lower lung lobes and receives its blood supply from systemic arteries. Here, we present a unique case of a 51-year-old woman presented with recurrent nonmassive hemoptysis. Contrast-enhanced computed tomography angiography (CTA) of the chest showed uniform consolidation in the inferior lingular segment of the left upper lobe. Maximal intensity projection (MIP) and three-dimensional volume rendering (3D-VR) showed the affected area's blood supply from unusual arterial branches originating from the left inferior phrenic artery arising from the left gastric artery, consistent with IPS...
March 2024: Radiology Case Reports
https://read.qxmd.com/read/38168739/lung-ultrasound-signs-the-beginning-part-3-an-accademia-di-ecografia-toracica-comprehensive-review-on-ultrasonographic-signs-and-real-needs
#39
REVIEW
Riccardo Inchingolo, Alessandro Zanforlin, Danilo Buonsenso, Tiziano Perrone, Elena Torri, Giuseppe Limoli, Elisa Eleonora Mossolani, Francesco Tursi, Gino Soldati, Giampietro Marchetti, Paolo Carlucci, Dejan Radovanovic, Franziska Michaela Lohmeyer, Andrea Smargiassi
Over the last 20 years, scientific literature and interest on chest/lung ultrasound (LUS) have exponentially increased. Interpreting mixed-anatomical and artifactual-pictures determined the need of a proposal of a new nomenclature of artifacts and signs to simplify learning, spread, and implementation of this technique. The aim of this review is to collect and analyze different signs and artifacts reported in the history of chest ultrasound regarding normal lung, pleural pathologies, and lung consolidations...
January 3, 2024: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://read.qxmd.com/read/38149555/the-pan-liver-network-theory-from-traditional-chinese-medicine-to-western-medicine
#40
REVIEW
Yaxing Zhang, Xian-Ming Fang
In traditional Chinese medicine (TCM), the liver is the "general organ" that is responsible for governing/maintaining the free flow of qi over the entire body and storing blood. According to the classic five elements theory, zang-xiang theory, yin-yang theory, meridians and collaterals theory, and the five-viscera correlation theory, the liver has essential relationships with many extrahepatic organs or tissues, such as the mother-child relationships between the liver and the heart, and the yin-yang and exterior-interior relationships between the liver and the gallbladder...
2023: Chinese Journal of Physiology
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