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https://www.readbyqxmd.com/read/29141890/british-thoracic-society-clinical-statement-on-pulmonary-arteriovenous-malformations
#1
Claire L Shovlin, Robin Condliffe, James W Donaldson, David G Kiely, Stephen J Wort
Pulmonary arteriovenous malformations (PAVMs) are structurally abnormal vascular communications that provide a continuous right-to-left shunt between pulmonary arteries and veins. Their importance stems from the risks they pose (>1 in 4 patients will have a paradoxical embolic stroke, abscess or myocardial infarction while life-threatening haemorrhage affects 1 in 100 women in pregnancy), opportunities for risk prevention, surprisingly high prevalence and under-appreciation, thus representing a challenging condition for practising healthcare professionals...
December 2017: Thorax
https://www.readbyqxmd.com/read/29135843/abscessing-infection-by-streptococcus-mitis-mimicking-metastatic-lesions-in-a-5-year-old-girl-with-nephroblastoma-a-case-report
#2
Lara Imhof, Simone Schrading, Till Braunschweig, Gerhard Steinau, Jan Wilhelm Spillner, Alexander Puzik, Lisa Lassay, Udo Kontny
Streptococcus mitis is a common pathogen causing infections in oncological patients. However, cases of abscesses caused by Streptococcus mitis in oncological patients have not been reported so far. We report on 5-year-old child with nephroblastoma and pulmonary and hepatic metastases at diagnosis who went into complete remission undergoing chemotherapy and nephrectomy, and who developed new round lesions in liver and lungs under continuous chemotherapy suggestive of new metastases. Biopsy of the lesions revealed abscesses with detection of Streptococcus mitis...
November 13, 2017: Journal of Pediatric Hematology/oncology
https://www.readbyqxmd.com/read/29103786/reduced-paraspinous-muscle-area-is-associated-with-post-colectomy-complications-in-children-with-ulcerative-colitis
#3
Priya H Dedhia, Yasmine White, Jonathan R Dillman, Jeremy Adler, Marcus D Jarboe, Daniel H Teitelbaum, Ronald B Hirschl, Samir K Gadepalli
BACKGROUND AND OBJECTIVES: Sarcopenia, defined as reduced muscle mass, is typically assessed by CT scans, which are infrequently performed in children. Using MRI to measure sarcopenia, we determined the association with postoperative complications after colectomy for ulcerative colitis (UC). METHODS: Clinical and preoperative MRI data for 13-18-year-old UC patients who underwent colectomy were retrospectively reviewed. Bilateral paraspinous muscle area (PSMA) and psoas muscle area (PMA) at L3 vertebra were measured and averaged...
September 14, 2017: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/29097336/a-case-of-subarachnoid-hemorrhage-caused-by-tuberculous-aneurysm
#4
Wei Liu, Chuanfeng Li, Xianming Liu, Zhiming Xu, Lu Kong
In this paper, we report a case of intracranial tuberculum with adjacent intracerebral inflammatory aneurysm, and include a brief discussion of the developmental mechanism of these pathologies. A 28-year-old man presented with sudden onset of severe headache. He was diagnosed with h pulmonary tuberculosis 8 year ago, and had been treated with anti-tuberculosis medications for 6 months. Head computed tomography (CT) showed a small hematoma in the left Sylvian fissure with subarachnoid hemorrhage. Cerebral digital subtraction angiograph (DSA) was performed and no aneurysm was found...
October 30, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/29090653/tuberculous-pyelonephritis-in-children-three-case-reports
#5
Nimisha Arora, Abhijeet Saha, Manpreet Kaur
Tuberculous pyelonephritis is rare in children; three case reports are presented. Case 1 was an 11-year-old girl with a previous history of pulmonary tuberculosis who presented with flank pain and fever for 10 days. An ultrasound suggested focal pyelonephritis, and a contrast-enhanced computed tomography (CECT) scan demonstrated acute focal pyelonephritis and a perinephric collection. Mycobacterium tuberculosis was cultured in the urine. She responded well to anti-tuberculous treatment (ATT). Case 2 was a 13-year-old boy who presented with fever, haematuria, burning micturition, proteinuria (3+) and cervical lymphadenopathy...
November 1, 2017: Paediatrics and International Child Health
https://www.readbyqxmd.com/read/29071074/long-term-outcomes-of-patients-with-pulmonary-arteriovenous-malformations-considered-for-lung-transplantation-compared-with-similarly-hypoxaemic-cohorts
#6
Claire L Shovlin, Elisabetta Buscarini, J Michael B Hughes, David J Allison, James E Jackson
INTRODUCTION: Pulmonary arteriovenous malformations (PAVMs) may not be amenable to treatment by embolisation or surgical resection, and many patients are left with significant hypoxaemia. Lung transplantation has been undertaken. There is no guidance on selection criteria. METHODS: To guide transplantation listing assessments, the outcomes of the six patients who had been considered for transplantation were compared with a similarly hypoxaemic patient group recruited prospectively between 2005 and 2016 at the same UK institution...
2017: BMJ Open Respiratory Research
https://www.readbyqxmd.com/read/29062711/strongyloides-hyperinfection-syndrome-causing-fatal-meningitis-and-septicemia-by-citrobacter-koseri
#7
Felix Reyes, Navneet Singh, Nigar Anjuman-Khurram, Jihae Lee, Lillian Chow
Citrobacter koseri is a gram-negative bacillius that belongs to the Enterobacteriaceae family. It is an uncommon pathogen that typically causes meningitis and brain abscesses in children, however central nervous system (CNS) infections are rarely found in adults. We present a case of C. koseri meningitis in an immunocompetent adult secondary to intestinal micro-perforation caused by Strongyloides A 76-year-old man admitted for asthma exacerbation developed septic shock. A lumbar puncture revealed bacterial meningitis...
2017: IDCases
https://www.readbyqxmd.com/read/29062482/ocular-tuberculosis-in-hospital-universiti-sains-malaysia-a-case-series
#8
M Shahidatul-Adha, E Zunaina, A T Liza-Sharmini, W H Wan-Hazabbah, I Shatriah, I Mohtar, Y Azhany, H Adil
INTRODUCTION: Ocular tuberculosis (TB) encompasses a broad spectrum of clinical manifestations affecting different structures of the eye. It is caused by Mycobacterium tuberculosis, a great ancient organism that induces various types of diseases and unfavorable outcomes if unrecognized and not well treated. PURPOSE: To report the clinical profile of 34 ocular TB cases observed during 6 years period in Hospital Universiti Sains Malaysia (HUSM). METHOD: A retrospective review of medical records from 34 patients diagnosed with ocular TB in HUSM from January 2011 until December 2016...
December 2017: Annals of Medicine and Surgery
https://www.readbyqxmd.com/read/29026982/severe-hemoptysis-associated-with-bacterial-pulmonary-infection-clinical-features-significance-of-parenchymal-necrosis-and-outcome
#9
Guillaume Carteaux, Damien Contou, Guillaume Voiriot, Antoine Khalil, Marie-France Carette, Martine Antoine, Antoine Parrot, Muriel Fartoukh
PURPOSE: Severe hemoptysis (SH) associated with non-tuberculosis bacterial lower respiratory tract infection (LRTI) is poorly described, and the efficacy of the usual decision-making process is unknown. This study aimed at describing the clinical, radiological patterns, mechanism, and microbiological spectrum of SH related to bacterial LRTI, and assessing whether the severity of hemoptysis and the results of usual therapeutic strategy are influenced by the presence of parenchymal necrosis...
October 12, 2017: Lung
https://www.readbyqxmd.com/read/29021472/pneumothorax-secondary-to-septic-pulmonary-emboli-in-a-long-term-hemodialysis-patient-with-psoas-abscess
#10
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/29018941/pulmonary-arteriovenous-malformations-in-hereditary-haemorrhagic-telangiectasia-correlations-between-computed-tomography-findings-and-cerebral-complications
#11
Johan Etievant, Salim Si-Mohamed, Nicolas Vinurel, Sophie Dupuis-Girod, Evelyne Decullier, Delphine Gamondes, Chahera Khouatra, Vincent Cottin, Didier Revel
OBJECTIVES: Computed tomography (CT) is the modality of choice to characterise pulmonary arteriovenous malformations (PAVMs) in patients with hereditary haemorrhagic telangiectasia (HHT). Our objective was to determine if CT findings were associated with frequency of brain abscess and ischaemic stroke. METHODS: This retrospective study included patients with HHT-related PAVMs. CT results, i.e. PAVM presentation (unique, multiple, disseminated or diffuse), the number of PAVMs and the largest feeding artery size, were correlated to prevalence of ischaemic stroke and brain abscess...
October 10, 2017: European Radiology
https://www.readbyqxmd.com/read/28994171/brain-abscesses-caused-by-cladophialophora-bantiana-in-a-lung-transplant-patient-a-case-report-and-review-of-the-literature
#12
Anthony Gschwend, Tristan Dégot, Julie Denis, Alina M Sabou, Mi Young Jeung, Emilie Zapata, Michele Porzio, Benjamin Renaud-Picard, Raoul Herbrecht, Romain Kessler
Cladophialophora bantiana brain abscesses are rare, but are frequently and quickly lethal in transplanted patients. We report the case of a 63-year-old man who had undergone lung transplantation for chronic obstructive pulmonary disease and presented with headaches and a neurological deficit. Magnetic resonance imaging revealed multiple brain abscesses. C. bantiana was identified by DNA sequencing performed directly on cerebral tissue obtained by surgical biopsy. After 6 months of antifungal treatment, the brain abscesses were replaced by ischemic sequelae...
October 9, 2017: Transplant Infectious Disease: An Official Journal of the Transplantation Society
https://www.readbyqxmd.com/read/28982020/streptococcus-phocae-in-marine-mammals-of-northeastern-pacific-and-arctic-canada-a-retrospective-analysis-of-85-postmortem-investigations
#13
Nicole D Taurisano, Brian P Butler, Diana Stone, Harry Hariharan, Paul J Fields, Hugh W Ferguson, Martin Haulena, Paul Cotrell, Ole Nielsen, Stephen Raverty
Streptococcus phocae is a pathogen of marine mammals, although its pathogenicity remains poorly understood. Recovery of this bacterium from asymptomatic carriers suggests that it is an opportunistic pathogen. We investigated the role of S. phocae in naturally occurring disease and its significance as a pathogen based on postmortem investigations. Between 2007 and 2012, 1,696 whole carcasses, tissue samples, or both were submitted from the northeastern Pacific and Arctic Canada for diagnostic testing. Streptococcus phocae was cultured from phocids (n=66), otariids (n=12), harbor porpoises (Phocoena phocoena; n=5), and sea otters (Enhydra lutris; n=2)...
October 5, 2017: Journal of Wildlife Diseases
https://www.readbyqxmd.com/read/28973946/host-derived-fatty-acids-activate-type-vii-secretion-in-staphylococcus-aureus
#14
Michael S Lopez, Irene S Tan, Donghong Yan, Jing Kang, Mark McCreary, Zora Modrusan, Cary D Austin, Min Xu, Eric J Brown
The type VII secretion system (T7SS) of Staphylococcus aureus is a multiprotein complex dedicated to the export of several virulence factors during host infection. This virulence pathway plays a key role in promoting bacterial survival and the long-term persistence of staphylococcal abscess communities. The expression of the T7SS is activated by bacterial interaction with host tissues including blood serum, nasal secretions, and pulmonary surfactant. In this work we identify the major stimulatory factors as host-specific cis-unsaturated fatty acids...
October 17, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28959695/fatal-pulmonary-embolism-in-the-setting-of-immune-reconstitution-inflammatory-syndrome-attributed-to-ovarian-tuberculosis
#15
Israel Ugalde, Daniela Pirela, Saberio Lo Presti, Molly Bilderback, Andrés Pirela, Joseph Chan
In developed countries, tuberculosis remains a health care challenge due to human immunodeficiency virus (HIV) and immigration from endemic regions. The Centers for Disease Control and Prevention reported 9557 new cases in 2015, with extrapulmonary involvement in 20.2% of the cases. We present a 33-year-old woman from Cape Town, South Africa, who developed abdominal pain and fever while working on a cruise ship. She sought medical where she underwent computed tomography of her chest, abdomen, and pelvis with findings suggestive of pulmonary tuberculosis and an 8...
July 2017: Journal of Investigative Medicine High Impact Case Reports
https://www.readbyqxmd.com/read/28954638/-a-lung-abscess-caused-by-bad-teeth
#16
S E van Brummelen, D Melles, M van der Eerden
BACKGROUND: An odontogenic cause of a lung abscess can easily be overlooked. CASE DESCRIPTION: A 61-year-old man presented at the emergency department with a productive cough and dyspnoea. He was admitted to the pulmonary ward with a suspected odontogenic lung abscess. A thorax CT scan confirmed the diagnosis 'lung abscess', following which the dental surgeon confirmed that the lung abscess probably had an odontogenic cause. The patient made a full recovery following a 6-week course of antibiotics, and he received extensive dental treatment...
2017: Nederlands Tijdschrift Voor Geneeskunde
https://www.readbyqxmd.com/read/28951083/rarity-of-invasiveness-in-right-sided-infective-endocarditis
#17
Syed T Hussain, Nabin K Shrestha, James Witten, Steven M Gordon, Penny L Houghtaling, Jens Tingleff, José L Navia, Eugene H Blackstone, Gösta B Pettersson
OBJECTIVE: The rarity of invasiveness of right-sided infective endocarditis (IE) compared with left-sided has not been well recognized and evaluated. Thus, we compared invasiveness of right- versus left-sided IE in surgically treated patients. PATIENTS AND METHODS: From January 2002 to January 2015, 1292 patients underwent surgery for active IE, 138 right-sided and 1224 left-sided. Among patients with right-sided IE, 131 had tricuspid and 7 pulmonary valve IE; 12% had prosthetic valve endocarditis...
August 16, 2017: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28918971/-pulmonary-nocardiosis-with-cerebral-abscesses-mimicking-metastatic-lung-cancer-three-cases-and-a-review-of-literature
#18
A Fourrier, M Kerjouan, C Piau, P A Lentz, C Ricordel, H Léna, R Corre, B Desrues, S Jouneau
Nocardiosis is an infectious disease with wide range of clinical features, which can eventually lead to death. The agent responsible belongs to the genus Nocardia that includes about fifty different species. Nocardiosis occurs mainly in immunocompromised hosts. We report here three cases of disseminated nocardiosis misdiagnosed initially as cerebral metastatic lung cancer. These patients, including two immunocompetent hosts, presented with both pulmonary and cerebral lesions. In all three patients, the diagnosis was based on magnetic resonance imaging with diffusion sequence, apparent diffusion coefficient reconstruction and neurosurgical cerebral biopsies...
September 14, 2017: Revue des Maladies Respiratoires
https://www.readbyqxmd.com/read/28904677/-pulmonary-nocardiosis-in-immunocompetent-patients-about-2-cases
#19
Yasmina Rhofir, Rachida Zahraoui, Nabil Tiress, Hicham Naji-Amrani, Mouna Soualhi, Jamal Eddine Bourkadi
Nocardiosis is a rare but severe infection caused by bacteria of the genus nocardia, which belong to the order actinomycetales. If they can affect immunocompetent adult, nocardioses are pathologies affecting the individuals with weakened immune system. Pulmonary involvement is the most common manifestation, its correct management is based on diagnosis, which is often delayed due to non-specific symptoms and inconclusive specimens. We here report two cases of nocardiosis in immunocompetent patients. The first case concerns a 24-year old man with a history of smoking and alcoholism, hospitalized for chest pain and hemoptysis of low abundance evolving for two months, associated with the occurrence of dorsal subcutaneous fistulized abscess...
2017: Pan African Medical Journal
https://www.readbyqxmd.com/read/28856090/a-case-of-relapsed-lung-abscess-caused-by-eubacterium-brachy-infection-following-an-initial-diagnosis-of-pulmonary-actinomycosis
#20
Hideaki Yamakawa, Eri Hagiwara, Masahiro Hayashi, Takuma Katano, Kosuke Isomoto, Ryota Otoshi, Ryota Shintani, Satoshi Ikeda, Kaori Tanaka, Takashi Ogura
We report a rare case of lung abscess due to Eubacterium brachy. In this case, an analysis of the aspirate from frank pus revealed Gram-positive coccobacilli. We initially strongly suspected lung abscess associated with actinomycosis because of the chronic/recurrent clinical course and radio-pathological findings such as a granuloma lesion. Although a biochemical analysis revealed Actinomyces sp., 16S rRNA gene sequencing and a phylogenetic tree analysis of the isolated strain confirmed the presence of E. brachy...
2017: Respiratory Medicine Case Reports
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