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diaphragm ultrasound

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https://www.readbyqxmd.com/read/28398665/both-a-frameshift-and-a-missense-mutation-of-the-stra6-gene-observed-in-an-infant-with-the-matthew-wood-syndrome
#1
Samantha Sadowski, Nicolas Chassaing, Zuzanna Gaj, Ewa Czichos, Jan Wilczynski, Dorota Nowakowska
BACKGROUND: The Matthew-Wood syndrome is associated with mutations of the STRA6 gene. It combines a pulmonary agenesis/hypoplasia; microphthalmia/anophthalmia; congenital cardiac, digestive, and urogenital malformations; and diaphragmatic defects. CASE: A 23-year-old nulliparous woman was referred to our center after a fetal ultrasound examination at 26 weeks of pregnancy revealed an abnormal head shape, a heart malformation, multiple cysts in both kidneys, and dilated ureters...
March 1, 2017: Birth Defects Res
https://www.readbyqxmd.com/read/28392061/carotid-diaphragm-atypical-fibromuscular-dysplasia-or-atheromatous-lesions
#2
D Chaari, J-M Baud, L Deschamps, C Petitjean, A Maurizot, M-L Chadenat, M de Malherbe, A Jaoua, F Pico
Atypical fibromuscular dysplasia (FMD) is an underdiagnosed cause of ischemic stroke. The typical angiographic pattern of a septum on the posterolateral side of a carotid megabulb is highly suggestive of atypical FMD. We report here on two patients with this highly suggestive pattern of carotid atypical FMD, but which histological examination revealed to be atheromatous lesions. Interestingly, contrast-enhanced ultrasound of the carotid artery showed enhancement of the spur, which should never be the case with an FMD lesion, which has no vasa vasorum...
April 6, 2017: Revue Neurologique
https://www.readbyqxmd.com/read/28370095/tracking-and-compensation-of-respiration-pattern-by-an-automatic-compensation-system
#3
Lai-Lei Ting, Ho-Chiao Chuang, Chia-Chun Kuo, Li-An Jian, Ming-Yuan Huang, Ai-Ho Liao, Der-Chi Tien, Shiu-Chen Jeng, Jeng-Fong Chiou
PURPOSE: This study aimed to determine the feasibility of using an ultrasound image tracking algorithm (UITA) combined with a respiration compensating system (RCS) to track and compensate the respiration pattern of the diaphragm in real time. METHODS: Diaphragm motions and various respiration patterns were tracked and captured in volunteers using our previously developed UITA [1]. A diaphragm phantom was placed on a respiration simulation system (RSS) that received signals with different respiration patterns to simulate actual human respiration signals...
March 30, 2017: Medical Physics
https://www.readbyqxmd.com/read/28369989/severity-of-nonalcoholic-fatty-liver-disease-on-sonography-and-risk-of-coronary-heart-disease
#4
Sun Hwa Lee, Seong Jong Yun, Dong Hyeon Kim, Hyeon Hwan Jo, Yong Sung Park
PURPOSE: To evaluate the relationship between nonalcoholic fatty liver disease (NAFLD) on sonography (US) and the risk of coronary heart disease (CHD) as well as the predictive value of US-diagnosed NAFLD to determine intermediate/high CHD risk compared with as well as in combination on with NAFLD fibrosis score (NFS). METHODS: This retrospective study included 1,276 patients examined between November 2015 and August 2016. NAFLD was categorized as absent, mild, moderate, or severe based on liver-to-kidney echogenicity, visibility of intrahepatic vessel walls, and the diaphragm...
March 28, 2017: Journal of Clinical Ultrasound: JCU
https://www.readbyqxmd.com/read/28361079/ultrasound-to-assess-diaphragmatic-function-in-the-critically-ill-a-critical-perspective
#5
EDITORIAL
Mark Haaksma, Pieter Roel Tuinman, Leo Heunks
Ultrasound of the diaphragm in critically ill patients has become a diagnostic technique of emerging interest among clinicians and scientists. The advantages include that it is widely available, non-invasive and examination can be performed after relatively short training and at low costs. It is used to estimate muscle mass by measurement of muscle thickness and diagnose weakness by the assessment of diaphragm movement during unassisted breathing. Thickening of the muscle during inspiration has been used to quantify force generation...
March 2017: Annals of Translational Medicine
https://www.readbyqxmd.com/read/28360224/ultrasound-evaluation-of-diaphragm-function-in-mechanically-ventilated-patients-comparison-to-phrenic-stimulation-and-prognostic-implications
#6
Bruno-Pierre Dubé, Martin Dres, Julien Mayaux, Suela Demiri, Thomas Similowski, Alexandre Demoule
RATIONALE: In intensive care unit (ICU) patients, diaphragm dysfunction is associated with adverse clinical outcomes. Ultrasound measurements of diaphragm thickness, excursion (EXdi) and thickening fraction (TFdi) are putative estimators of diaphragm function, but have never been compared with phrenic nerve stimulation. Our aim was to describe the relationship between these variables and diaphragm function evaluated using the change in endotracheal pressure after phrenic nerve stimulation (Ptr,stim), and to compare their prognostic value...
March 30, 2017: Thorax
https://www.readbyqxmd.com/read/28352165/correlation-between-thoracolumbar-curvatures-and-respiratory-function-in-older-adults
#7
Nor Najwatul Akmal Ab Rahman, Devinder Kaur Ajit Singh, Raymond Lee
Aging is associated with alterations in thoracolumbar curvatures and respiratory function. Research information regarding the correlation between thoracolumbar curvatures and a comprehensive examination of respiratory function parameters in older adults is limited. The aim of the present study was to examine the correlation between thoracolumbar curvatures and respiratory function in community-dwelling older adults. Thoracolumbar curvatures (thoracic and lumbar) were measured using a motion tracker. Respiratory function parameters such as lung function, respiratory rate, respiratory muscle strength and respiratory muscle thickness (diaphragm and intercostal) were measured using a spirometer, triaxial accelerometer, respiratory pressure meter and ultrasound imaging, respectively...
2017: Clinical Interventions in Aging
https://www.readbyqxmd.com/read/28351438/-a-pregnant-woman-with-acute-shoulder-pain
#8
J van de Ven, P M A J Geomini
A 34-year-old woman presented with abdominal pain, vaginal blood loss and severe shoulder pain. Ultrasound revealed an ectopic pregnancy. The shoulder pain was due to irritation of the diaphragm caused by bleeding from a ruptured fallopian tube into the abdominal cavity.
2017: Nederlands Tijdschrift Voor Geneeskunde
https://www.readbyqxmd.com/read/28343681/ultrasound-evaluation-of-diaphragm-function-and-its-application-in-critical-patients-mechanical-ventilation-and-brachial-plexus-block
#9
F de B de la Quintana Gordon, B Nacarino Alcorta, M Fajardo Pérez
Before diaphragm ultrasonography, assessment of diaphragm function was very difficult due to the complex nature of its exploration. The use of this new technique has shed light on diagnostic problems and treatment with an improvement in final outcomes for critically ill patients, in whom the incidence of diaphragm weakness or dysfunction has been underestimated. Better knowledge of diaphragm function enables us earlier diagnosis by quantification of diaphragm contractile activity or evaluation of functional status after delivery of plexus block anaesthesia, facilitating therapeutic decisions...
March 23, 2017: Revista Española de Anestesiología y Reanimación
https://www.readbyqxmd.com/read/28331629/congenital-diaphragmatic-hernia-a-review
#10
REVIEW
Praveen Kumar Chandrasekharan, Munmun Rawat, Rajeshwari Madappa, David H Rothstein, Satyan Lakshminrusimha
Congenital Diaphragmatic hernia (CDH) is a condition characterized by a defect in the diaphragm leading to protrusion of abdominal contents into the thoracic cavity interfering with normal development of the lungs. The defect may range from a small aperture in the posterior muscle rim to complete absence of diaphragm. The pathophysiology of CDH is a combination of lung hypoplasia and immaturity associated with persistent pulmonary hypertension of newborn (PPHN) and cardiac dysfunction. Prenatal assessment of lung to head ratio (LHR) and position of the liver by ultrasound are used to diagnose and predict outcomes...
2017: Maternal Health, Neonatology and Perinatology
https://www.readbyqxmd.com/read/28329257/lessons-learned-at-the-epicenter-of-brazil-s-congenital-zika-epidemic-evidence-from-87-confirmed-cases
#11
Jucille do Amaral Meneses, Ana Catarina Ishigami, Luisa Medeiros de Mello, Luciano Lira de Albuquerque, Carlos Alexandre Antunes de Brito, Marli Tenório Cordeiro, Lindomar José Pena
Congenital Zika virus infection has stimulated great international concern. A prospective case series of 87 infants with laboratory-confirmed congenital Zika syndrome (CZS) at the epicenter of the Brazilian Zika epidemic in Pernambuco state is presented. Mothers were interviewed for symptoms of possible Zika virus (ZIKV) infection during pregnancy and fetal ultrasounds were obtained. Infant cerebrospinal fluid (CSF) samples were tested for ZIKV specific antibodies and sera were screened for other congenital infections...
February 24, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/28324716/postnatal-mri-for-cdh-a-pictorial-review-of-late-presenting-and-recurrent-diaphragmatic-defects
#12
REVIEW
Wendy Kim, Jesse Courtier, Cara Morin, Narendra Shet, Eric Strauch, Jane S Kim
Late-presenting or recurrent diaphragmatic defects can pose a diagnostic challenge due to varying clinical presentations. Current diagnostic approaches include plain film radiograph for initial assessment, with other imaging modalities such as fluoroscopy, ultrasound, CT and MRI mainly utilized for troubleshooting. As a radiation-free modality, MRI can provide a more definitive diagnosis in particular cases due to its ability to visualize discontinuity of the diaphragm, distinguishing it from eventration. MRI can also accurately characterize hernia contents, defect location and size...
March 8, 2017: Clinical Imaging
https://www.readbyqxmd.com/read/28314387/twin-pregnancy-complicated-by-esophageal-atresia-duodenal-atresia-gastric-perforation-and-hypoplastic-left-heart-structures-in-one-twin-a-case-report-and-review-of-the-literature
#13
Mohamad K Abou Chaar, Mariana L Meyers, Bethany D Tucker, Henry L Galan, Kenneth W Liechty, Timothy M Crombleholme, Ahmed I Marwan
BACKGROUND: The antenatal diagnosis of a combined esophageal atresia without tracheoesophageal fistula and duodenal atresia with or without gastric perforation is a rare occurrence. These diagnoses are difficult and can be suspected on ultrasound by nonspecific findings including a small stomach and polyhydramnios. Fetal magnetic resonance imaging adds significant anatomical detail and can aid in the diagnosis of these complicated cases. Upon an extensive literature review, there are no reports documenting these combined findings in a twin pregnancy...
March 18, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/28277325/the-pathway-of-injectate-spread-with-the-transmuscular-quadratus-lumborum-block-a-cadaver-study
#14
Mette Dam, Bernhard Moriggl, Christian K Hansen, Romed Hoermann, Thomas F Bendtsen, Jens Børglum
BACKGROUND: The spread of injectate resulting from a transmuscular quadratus lumborum (TQL) block and a transverse oblique paramedian (TOP) TQL block has never been examined. The aim of this cadaveric study was to investigate by which pathway the injectate spreads cephalad into the thoracic paravertebral space and which nerves were dyed by the injectate cephalad and caudad to the diaphragm when performing a TQL and a TOP TQL block. We also aimed to investigate whether the thoracic and lumbar sympathetic trunks as well as the lumbar plexus were covered by the injectate...
March 8, 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28272290/a-double-blind-randomized-comparison-of-continuous-interscalene-supraclavicular-and-suprascapular-blocks-for-total-shoulder-arthroplasty
#15
David B Auyong, Stanley C Yuan, Daniel S Choi, Joshuel A Pahang, April E Slee, Neil A Hanson
BACKGROUND AND OBJECTIVES: Continuous brachial plexus blocks at the interscalene level are associated with known diaphragm dysfunction from phrenic nerve paresis. More distal blocks along the brachial plexus may provide postsurgical analgesia while potentially having less effect on diaphragm function. Continuous interscalene, continuous supraclavicular, and continuous suprascapular nerve blocks were evaluated for respiratory function and analgesia after total shoulder arthroplasty. METHODS: After ethics board approval, subjects presenting for total shoulder arthroplasty were planned for randomization in a 1:1:1 ratio of a continuous interscalene, supraclavicular, or suprascapular block...
May 2017: Regional Anesthesia and Pain Medicine
https://www.readbyqxmd.com/read/28271330/protective-and-heat-retention-effects-of-thermo-sensitive-basement-membrane-extract-matrigel-in-hepatic-radiofrequency-ablation-in-an-experimental-animal-study
#16
Jing-Jing Fu, Song Wang, Wei Yang, Wei Gong, An-Na Jiang, Kun Yan, Min-Hua Chen
PURPOSE: To evaluate the protective effect of using thermo-sensitive basement membrane extract (Matrigel) for hydrodissection to minimize thermal injury to nearby structures and to evaluate its heat sink effect on the ablation zone in radiofrequency ablation (RFA) of the liver. MATERIALS AND METHODS: First, the viscosity profile and heat sink effect of Matrigel were assessed during RFA in vitro and ex vivo. Fresh pig liver tissue was used, and the temperature changes in Matrigel and in 5% dextrose in water (D5W) during RFA were recorded...
March 7, 2017: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/28249882/a-rash-and-a-rare-cause-of-unilateral-diaphragmatic-paralysis
#17
Zakariye M Ashkir, George Tsaknis
A 61-year-old man who was an ex-heavy smoker presented to our ambulatory care centre with a 4-week history of dyspnoea on mild exertion. 2 weeks prior to his symptoms, he had developed right-sided cervical herpes zoster for which he was prescribed oral acyclovir by his general practitioner. On examination, a rash over the right C4-5 dermatomes was noted and dullness on percussion of the right mid and lower zones with markedly reduced air entry. His chest radiograph showed a raised right hemi-diaphragm with associated right middle and lower lobe collapse...
March 1, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28202349/muscle-ultrasound-and-sarcopenia-in-older-individuals-a-clinical-perspective
#18
REVIEW
Andrea Ticinesi, Tiziana Meschi, Marco V Narici, Fulvio Lauretani, Marcello Maggio
INTRODUCTION: A precise quantitative measurement of skeletal muscle mass is fundamental for diagnosing sarcopenia in older individuals. The current techniques of assessment, including dual-energy x-ray absorptiometry (DXA), bioimpedance analysis (BIA), and magnetic resonance imaging (MRI) are either difficult to perform in everyday clinical practice or biased by concurrent clinical confounders. B-mode muscle ultrasound can be helpful in assessing muscle mass and architecture, and thus possibly useful for diagnosing or screening sarcopenia...
April 1, 2017: Journal of the American Medical Directors Association
https://www.readbyqxmd.com/read/28177206/propofol-sedation-reduces-diaphragm-activity-in-spontaneously-breathing-patients-ultrasound-assessment
#19
Monica Rocco, Luigi Maggi, Giorgio Ranieri, Giovanni Ferrari, Cesare Gregoretti, Giorgio Conti, Roberto A DE Blasi
BACKGROUND: The diaphragm is the most important respiratory muscle in humans, and the close relationship between inspired volume and diaphragmatic movement in normal subjects has led to investigations into diaphragmatic activity using ultrasound, during spontaneous breathing and sedative drug infusion. METHODS: A total of 36 consecutive patients undergoing diagnostic procedures under deep propofol sedation were studied. Ultrasound measurements included the following: diaphragmatic thickening end-inspiration (TEI) and end-expiration (TEE)...
March 2017: Minerva Anestesiologica
https://www.readbyqxmd.com/read/28126454/ultrasound-guided-retroclavicular-approach-infraclavicular-brachial-plexus-block-for-upper-extremity-emergency-procedures
#20
Josh Luftig, Daniel Mantuani, Andrew A Herring, Arun Nagdev
The America Society of Anesthesiology guidelines recommend multimodal analgesia that combines regional anesthetic techniques with pharmacotherapy to improve peri-procedural pain management and reduce opioid related complications. Commonly performed emergency procedures of the upper extremity such as fracture and dislocation reduction, wound debridement, and abscess incision and drainage are ideal candidates for ultrasound-guided (USG) regional anesthesia of the brachial plexus. However, adoption of regional anesthesia by emergency practitioners has been limited by concerns for potential complications and perceived technical difficulty...
January 15, 2017: American Journal of Emergency Medicine
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