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Pulmonary emboli

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https://www.readbyqxmd.com/read/29045463/submillisievert-standard-pitch-ct-pulmonary-angiography-with-ultra-low-dose-contrast-media-administration-a-comparison-to-standard-ct-imaging
#1
Saravanabavaan Suntharalingam, Christian Mikat, Elena Stenzel, Youssef Erfanian, Axel Wetter, Thomas Schlosser, Michael Forsting, Kai Nassenstein
OBJECTIVES: To evaluate the image quality and radiation dose of submillisievert standard-pitch CT pulmonary angiography (CTPA) with ultra-low dose contrast media administration in comparison to standard CTPA. MATERIALS AND METHODS: Hundred patients (56 females, 44 males, mean age 69.6±15.4 years; median BMI: 26.6, IQR: 5.9) with suspected pulmonary embolism were examined with two different protocols (n = 50 each, group A: 80 kVp, ref. mAs 115, 25 ml of contrast medium; group B: 100 kVp, ref...
2017: PloS One
https://www.readbyqxmd.com/read/29034035/surgical-embolectomy-for-acute-pulmonary-thromboembolism
#2
REVIEW
Ikuo Fukuda, Kazuyuki Daitoku
Acute pulmonary thromboembolism is a catastrophic event, especially for hospitalized patients. The prognosis of pulmonary thromboembolism depends on the degree of pulmonary arterial occlusion. The mortality of massive pulmonary embolism is reportedly as high as 25% without cardiopulmonary arrest and 65% with cardiopulmonary arrest. In patients with unstable hemodynamics due to pulmonary thromboembolism, surgical pulmonary embolectomy is indicated for patients with a contraindication to thrombolysis, failed catheter therapy, or failed thrombolysis...
June 25, 2017: Annals of Vascular Diseases
https://www.readbyqxmd.com/read/29029707/epidemiology-pathophysiology-stratification-and-natural-history-of-pulmonary-embolism
#3
Nicholas J Giordano, Paul S Jansson, Michael N Young, Kaitlin A Hagan, Christopher Kabrhel
Pulmonary embolism (PE) is a common and potentially fatal form of venous thromboembolism that can be challenging to diagnose and manage. PE occurs when there is obstruction of the pulmonary vasculature and is a common cause of morbidity and mortality in the United States. A combination of acquired and inherited factors may contribute to the development of this disease and should be considered, since they have implications for both susceptibility to PE and treatment. Patients with suspected PE should be evaluated efficiently to diagnose and administer therapy as soon as possible, but the presentation of PE is variable and nonspecific so diagnosis is challenging...
September 2017: Techniques in Vascular and Interventional Radiology
https://www.readbyqxmd.com/read/29021472/pneumothorax-secondary-to-septic-pulmonary-emboli-in-a-long-term-hemodialysis-patient-with-psoas-abscess
#4
Masahiro Okabe, Kenji Kasai, Takashi Yokoo
Pneumothorax secondary to septic pulmonary embolism (SPE) is rare but life-threatening. We herein report a long-term hemodialysis patient with psoas abscess caused by methicillin-resistant Staphylococcus aureus, associated with other muscle and splenic abscesses and SPE. Intravenous vancomycin treatment and percutaneous drainage of the psoas abscess rapidly improved her condition. However, the SPE lesions continued to increase, and right-sided pneumothorax occurred 10 days after treatment. The pneumothorax resolved after two months and SPE and all abscesses after four months of treatment...
October 11, 2017: Internal Medicine
https://www.readbyqxmd.com/read/28993433/management-of-thromboembolism-in-transit-with-pulmonary-embolism
#5
V S Ellensen, S Saeed, T Geisner, R Haaverstad
We present a rare complication of deep venous thrombosis with pulmonary embolism that threatened the patient with systemic embolization. A 36-year-old female was referred to the hospital after five days of progressive shortness of breath and chest pain. Preceding onset of symptoms she had undergone surgery leading to reduced physical activity and had just returned from vacation by a long flight. Investigations with transthoracic and transesophageal echocardiography revealed a thromboembolism-in-transit across a patent foramen ovale...
October 9, 2017: Echo Research and Practice
https://www.readbyqxmd.com/read/28987675/influence-of-spectral-detector-ct-based-monoenergetic-images-on-the-computer-aided-detection-of-pulmonary-artery-embolism
#6
Jan Robert Kröger, Tilman Hickethier, Gregor Pahn, Felix Gerhardt, David Maintz, Alexander C Bunck
OBJECTIVE: To evaluate the influence of monoenergetic reconstructions using a spectral detector CT (SDCT) on the computer aided detection (CAD) of pulmonary artery embolism (PAE) on CT pulmonary angiography (CTPA) and CT in venous contrast phase (CTV). MATERIAL AND METHODS: A retrospective data base search identified 15 patients with CTPA and 18 patients with CTV and diagnosis of PAE. For these patients, monoenergetic (monoE) images at different energy levels or with a fixed attenuation in the pulmonary artery were generated and independently analyzed using a commercially available computer aided detection (CAD) tool...
October 2017: European Journal of Radiology
https://www.readbyqxmd.com/read/28979718/characterisation-and-risk-assessment-of-venous-thromboembolism-in-gastrointestinal-cancers
#7
Robert L Metcalf, Eamon Al-Hadithi, Nicholas Hopley, Thomas Henry, Clare Hodgson, Antony McGurk, Wasat Mansoor, Jurjees Hasan
AIM: To characterise venous thromboembolism (VTE) in gastrointestinal cancer and assess the clinical utility of risk stratification scoring. METHODS: We performed a retrospective analysis using electronic patient records of 910 gastro-oesophageal (GO) cancer and 1299 colorectal cancer (CRC) patients referred to a tertiary cancer centre to identify the incidence of VTE, its relationship to chemotherapy and impact on survival. VTE risk scores were calculated using the Khorana index...
September 15, 2017: World Journal of Gastrointestinal Oncology
https://www.readbyqxmd.com/read/28977355/video-assistance-for-surgical-pulmonary-embolectomy
#8
Amit Pawale, Karthik Seetharam, Elizabeth Oswald, Ramachandra Reddy
Surgical pulmonary embolectomy is one of the treatment options for massive pulmonary embolism. At our institute, we have recently adopted a strategy of video assistance for better visualization and clearance of distal pulmonary emboli. Here, we describe our experience.
July 17, 2017: European Journal of Cardio-thoracic Surgery
https://www.readbyqxmd.com/read/28958014/intracardiac-and-pulmonary-artery-hydatidosis-causing-thromboembolic-pulmonary-hypertension
#9
Gökçen Orhan, Murat Bastopcu, Bülent Aydemir, Mehmet Sait Ersoz
Hydatidosis is a serious parasitic infection in endemic areas. A rare presentation is pulmonary arterial cysts causing thromboembolic pulmonary hypertension. We report the case of a young man who presented with clinical and radiological findings of thromboembolic pulmonary hypertension. The patient was found to have hydatid cysts in both pulmonary arteries and in the right ventricular outflow tract. To remove all cysts without causing rupture, anaphylactic shock or systemic emboli, placing the patient under cardiopulmonary arrest was necessary, and in the case of pulmonary arterial involvement, total circulatory arrest was necessary...
September 7, 2017: European Journal of Cardio-thoracic Surgery
https://www.readbyqxmd.com/read/28954637/-dual-energy-ct-new-diagnostic-possibilities
#10
S M Bollen, M J C M Rutten
Dual-energy CT (DECT) provides more information than a conventional CT scan. This new technique does not only provide morphological information, but also provides information about the chemical composition of tissues and substances, e.g. uric acid or calcium, based on material-specific differences in X-ray attenuation, leading to diagnostic improvement. Other benefits include reduced radiation dose, reduced use of contrast fluids due to better iodine detection and improved image quality. DECT fulfils a need in patients with a hypersensitivity to contrast agents, leads to less kidney damage, and avoids the necessity of more invasive diagnostic methods such as lumbar punctures...
2017: Nederlands Tijdschrift Voor Geneeskunde
https://www.readbyqxmd.com/read/28951848/successful-treatment-of-aureobasidium-pullulans-central-catheter-related-fungemia-and-septic-pulmonary-emboli
#11
Sanjay R Mehta, Scott Johns, Paul Stark, Joshua Fierer
INTRODUCTION: Aureobasidium pullulans is a saprophytic fungus that is widely distributed in the environment, and in the right host can be an opportunistic human pathogen. PRESENTATION OF CASE: A 66-year-old man with Crohn's disease with a single kidney, and requiring total parenteral nutrition via a Hickman catheter, was admitted with a 10-week history of progressive shortness of breath, fevers and weight loss. Chest imaging demonstrated new multifocal lung parenchymal opacities compatible with septic pulmonary emboli...
2017: IDCases
https://www.readbyqxmd.com/read/28936964/-a-case-of-large-pulmonary-embolism-in-trunk-and-branches-with-main-manifestation-of-syncope-vomiting-and-shock
#12
Rongbo Wen, Sheng Zhang, Linfeng He, Xiufeng Ji, Peng Wang, Qiuxiang Zhou, Jinlong Qu, Jun Guan, Zhaofen Lin
Pulmonary embolism (PE) refers to the endogenous or exogenous emboli blocking pulmonary trunk or branches, causing clinical and pathophysiological syndrome of pulmonary circulation disorder, the incidence rate is high. Sometimes PE patients were lack of specific symptoms and signs, or without any symptoms, which often result in misdiagnosis, un-timely diagnosis, and the delay of treatment. A PE case with syncope, vomiting and shock, which was proved to be pulmonary artery trunk and branch wide embolism later, was presented so as to improve the understanding of the disease...
September 2017: Zhonghua Wei Zhong Bing Ji Jiu Yi Xue
https://www.readbyqxmd.com/read/28930966/bilateral-pulmonary-emboli-and-extensive-inferior-vena-cava-thrombosis-in-the-setting-of-large-subcapsular-hematoma-and-liver-laceration-after-blunt-trauma
#13
Alejandro Betancourt-Ramirez, Soraya SMolero, Patrizio Petrone, Corrado P Marini, Heidi L Frankel
No abstract text is available yet for this article.
October 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28925904/factors-associated-with-pulmonary-embolism-recurrence-and-the-benefits-of-long-term-anticoagulant-therapy
#14
Javier Anniccherico, Jose-Luis Alonso-Martinez, Mirem Urbieta, Jorge Rojo Alvaro, Ione Villar-Garcia
BACKGROUND: Venous thromboemboli tend to recur. However, the causative factors underlying pulmonary embolism recurrence are not well defined. AIMS: To explore the factors associated with pulmonary embolism recurrence. PATIENTS AND METHODS: Patients diagnosed with pulmonary emboli between 2004 and 2013 at our institution were enrolled. Duration of anticoagulant therapy, new episodes of venous thromboembolism, and deaths were recorded. RESULTS: Pulmonary embolism was diagnosed in 528 patients (median age: 76 years, interquartile range [IQR]: 16; male: 45%)...
September 18, 2017: Cardiovascular & Hematological Disorders Drug Targets
https://www.readbyqxmd.com/read/28922886/intracranial-bypass-of-posterior-inferior-cerebellar-artery-aneurysms-indications-technical-aspects-and-clinical-outcomes
#15
David J Bonda, Mohamad Labib, Jeffrey M Katz, Rafael A Ortiz, David Chalif, Avi Setton, David J Langer, Amir R Dehdashti
BACKGROUND: For some posterior inferior cerebellar artery (PICA) aneurysms, there is no constructive endovascular or direct surgical clipping option. Intracranial bypass is an alternative to a deconstructive technique. OBJECTIVE: To evaluate the clinical features, surgical techniques, and outcome of PICA aneurysms treated with bypass and obliteration of the diseased segment. METHODS: Retrospective review of PICA aneurysms treated via intracranial bypass was performed...
October 1, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/28878648/acquired-pulmonary-arteriovenous-fistula-within-metastasis-from-choriocarcinoma-a-case-report
#16
Tassia Yamanari, Marcio Sawamura, Hye Ju Lee, Chang Kai Chi, Artur Katz
Choriocarcinoma is a highly malignant neoplasm arising from the trophoblast of a human pregnancy, which may have distant spread to multiple organs, particularly to the lung. We report a case of a pulmonary arteriovenous fistula that developed after chemotherapy within a choriocarcinoma metastasis. A 24-year-old female with a history of uterine choriocarcinoma presented with multiple hypervascular pulmonary nodules on the initial chest computed tomography (CT) scan, consistent with lung metastases. Four months after chemotherapy, follow-up chest CT revealed a decrease in the size and vascularity of the lung metastases, except for 1 nodule that persisted with marked contrast enhancement and developed a communication with a pulmonary artery and vein...
May 2017: Case Reports in Oncology
https://www.readbyqxmd.com/read/28877521/case-report-pulmonary-tumor-thrombotic-microangiopathy-in-a-cervical-cancer-patient
#17
Naoya Tsujimoto, Ai Miyoshi, Mayuko Mimura, Toshio Naka, Masaru Yamasaki, Takeshi Yokoi
Pulmonary tumor thrombotic microangiopathy (PTTM) is a rapidly progressive and often fatal pulmonary disease induced by tumor emboli within the small pulmonary arteries. PTTM presents clinically as progressive hypoxia and pulmonary hypertension. Most cases of PTTM are caused by an adenocarcinoma of the stomach. We present the first case report of PTTM caused by cervical squamous cell carcinoma. An 82-year-old woman presented with vaginal bleeding and exertional dyspnea. A cervical mass biopsy showed squamous cell carcinoma...
September 7, 2017: Gynecologic and Obstetric Investigation
https://www.readbyqxmd.com/read/28865527/emergency-computed-tomography-angiogram-of-the-chest-abdomen-and-pelvis
#18
Kimberly Weatherspoon, Wayne Gilbertie, Tara Catanzano
In the setting of blunt trauma, the rapid assessment of internal injuries is essential to prevent potentially fatal outcomes. Computed tomography is a useful diagnostic tool for both screening and diagnosis. In addition to trauma, acute chest syndromes often warrant emergent computed tomographic angiography, looking for etiologies such as aortic aneurysms or complications of aortic aneurysms, or both, pulmonary emboli, as well as other acute vascular process like aortic dissection and Takayasu aortitis. With continued improvements in diagnostic imaging, computed tomographic angiography of the chest, abdominal and pelvis proves to be an effective modality to image the aorta and other major vascular structures...
August 2017: Seminars in Ultrasound, CT, and MR
https://www.readbyqxmd.com/read/28855497/a-49-year-old-man-with-subacute-respiratory-failure-and-interstitial-lung-opacities
#19
Anastasiia A Rudkovskaia, Ying-Chun Lo, Virginia Brady, Jose Costa, Wassim H Fares
BACKGROUND Pulmonary arterial hypertension (PAH) results from proliferative vasculopathy involving all layers of the blood vessel. Similar findings may be present in pulmonary hypertension (PH) associated with microscopic tumor embolism, which are thought to be related to the phenomenon of pulmonary tumor thrombotic microangiopathy (PTTM). PTTM is associated with the activation of the coagulation system at the surface of the tumor emboli, resulting in stenosis or occlusion of the vessel. CASE REPORT A 49-year-old man with stage IV gastro-esophageal junction adenocarcinoma presented with complaints of cough and shortness of breath...
August 31, 2017: American Journal of Case Reports
https://www.readbyqxmd.com/read/28846822/extended-pharmacologic-thromboprophylaxis-in-oncologic-liver-surgery-is-safe-and-effective
#20
B J Kim, R W Day, C H Davis, N Narula, M H Kroll, C W D Tzeng, T A Aloia
Essentials The risk for venous thromboembolism after liver surgery remains high in the modern era. We evaluated the safety/efficacy of extended anticoagulation in liver surgery. This protocol reports zero venous thromboembolism events in 124 liver surgery patients. Extended anticoagulation after oncologic liver surgery is safe and effective. SUMMARY: Background The incidence of venous thromboembolism (VTE) after liver surgery remains high. Objective To evaluate the safety and efficacy of extended pharmacologic thromboprophylaxis after liver surgery for the prevention of VTE...
August 28, 2017: Journal of Thrombosis and Haemostasis: JTH
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