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https://www.readbyqxmd.com/read/28820653/fibrous-skeleton-of-the-heart-anatomic-overview-and-evaluation-of-pathologic-conditions-with-ct-and-mr-imaging
#1
Farhood Saremi, Damián Sánchez-Quintana, Shumpei Mori, Horia Muresian, Diane E Spicer, Cameron Hassani, Robert H Anderson
The fibrous skeleton is concentrated at the base of the ventricular mass. It provides electrical insulation at the atrioventricular level and fibrous continuity for the leaflets of the mitral, aortic, and tricuspid valves. Its components include the fibrous trigones, the fibrous area of aortic-mitral continuity, the subvalvar collar of the mitral valve, the membranous septum, the interleaflet triangles, the tendon of Todaro, and likely the conus ligament. The majority of the mitral annulus is fibrous, but the only true fibrous part of the tricuspid annulus is where the valvar leaflets are attached to the central fibrous body...
August 18, 2017: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/28820308/resection-of-pituitary-macroadenomas-via-the-pseudocapsule-along-the-posterior-tumor-margin-a-cohort-study-and-technical-note
#2
Davis G Taylor, John A Jane, Edward H Oldfield
OBJECTIVE Extracapsular resection of pituitary microadenomas improves remission rates, but the application of pseudocapsular techniques for macroadenomas has not been well described. In larger tumors, the extremely thin, compressed normal gland or its complete absence along the tumor's anterior surface limits the application of the traditional pseudocapsular technique that can be used for microadenomas. However, in the authors' experience, the interface between the pseudocapsule at the posterior margin of the adenoma and the compressed normal gland behind it is universally present, providing a surgical dissection plane...
August 18, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28820172/timing-of-surgery-in-traumatic-globe-dislocation
#3
Md Shahid Alam, Olma Veena Noronha, Bipasha Mukherjee
Traumatic globe dislocation into the maxillary sinus is a rare event and usually associated with a poor visual outcome if not managed appropriately. We report a 45-year-old female patient who presented to the emergency after blunt injury to her face with a door. Initial evaluation revealed nil perception of light and an apparently anophthalmic socket. Neuroimaging revealed large floor and medial wall fracture with dislocation of the globe into the maxillary sinus. The patient underwent exploration with repositioning of the globe and fracture repair...
August 2017: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/28819530/assessment-of-sphenoid-sinus-related-anatomic-variations-with-computed-tomography
#4
Figen Tunalı Turkdogan, Kenan Ahmet Turkdogan, Murat Dogan, Mehmet Haydar Atalar
INTRODUCTION: Frequent and broad application of endoscopic sinus surgery (ESS) in parallel with experience makes it imperative to know the anatomy and the existing pathology very well before surgery. This study examines the association between anomalies in the sphenoid sinus area in paranasal sinuses computed tomography (PNS-CT) and pathological findings and determines variations of sphenoid sinus. METHODS: A total of 200 cases (100 women, 100 men) who had PNS-CT in the emergency and radiology polyclinics within the period of one year were included in this study...
2017: Pan African Medical Journal
https://www.readbyqxmd.com/read/28819362/recurrent-csf-rhinorrhea-misdiagnosed-as-chronic-allergic-rhinitis-with-subsequent-development-of-bacterial-meningitis
#5
Michael T Ulrich, Lawrence K Loo, Michael B Ing
INTRODUCTION: Cerebrospinal fluid (CSF) rhinorrhea results from an abnormal communication of the dura mater to the nasal mucosa. The majority of cases of CSF rhinorrhea are the result of trauma or surgery involving the skull base. Spontaneous CSF rhinorrhea is a rare clinical entity with increased risk of ascending infection. Delay in diagnosis places the patient at risk of developing meningitis. CASE PRESENTATION: A 36-year-old African American female with significant medical history of obesity and hypertension presented to the emergency department with headache, altered level of consciousness, fever, and neck stiffness...
2017: Case Reports in Medicine
https://www.readbyqxmd.com/read/28818088/assessment-of-the-effect-of-left-atrial-cryoablation-enhanced-by-ganglionated-plexi-ablation-in-the-treatment-of-atrial-fibrillation-in-patients-undergoing-open-heart-surgery
#6
Jiří Bárta, Radim Brát
BACKGROUND: The aim of our study was to investigate, whether enhancement of left atrial cryoablation by ablation of the autonomic nervous system of left atrium leads to influencing the outcomes of surgical treatment of atrial fibrillation in patients with structural heart disease undergoing open-heart surgery. METHODS: The observed patient file consisted of 100 patients, who have undergone a combined open-heart surgery at our department between July 2012 and December 2014...
August 17, 2017: Journal of Cardiothoracic Surgery
https://www.readbyqxmd.com/read/28815617/disparities-in-sinonasal-squamous-cell-carcinoma-short-and-long-term-outcomes-analysis-from-the-national-cancer-database
#7
Ryan M Carey, Arjun K Parasher, Alan D Workman, Carol H Yan, Jordan T Glicksman, Jinbo Chen, James N Palmer, Nithin D Adappa, Jason G Newman, Jason A Brant
OBJECTIVES/HYPOTHESIS: To examine sociodemographic, hospital-specific, and disease-related characteristics in relation to outcomes in sinonasal squamous cell carcinoma (SCC). STUDY DESIGN: The National Cancer Database was queried for location codes corresponding to the nasal cavity and paranasal sinuses and histology codes representing SCC malignancy. Multivariate analyses were performed against short- and long-term outcomes (overall survival, days to discharge, 30-day readmission, and 30- and 90-day mortality)...
August 16, 2017: Laryngoscope
https://www.readbyqxmd.com/read/28815611/the-value-of-frontal-sinusotomy-for-chronic-rhinosinusitis-with-nasal-polyps-a-cost-utility-analysis
#8
George A Scangas, Ashton E Lehmann, Aaron K Remenschneider, Brooke M Su, Mark G Shrime, Ralph Metson
OBJECTIVES/HYPOTHESIS: The number of surgical procedures performed for frontal sinusitis and the associated costs have increased dramatically over the past decade. The purpose of this study was to evaluate the cost-effectiveness of endoscopic frontal sinusotomy (EFS) in patients with chronic rhinosinusitis with nasal polyposis (CRSwNP). STUDY DESIGN: Cohort-style Markov decision-tree economic model with a 36-year time horizon. METHODS: Matched cohorts of CRSwNP patients who underwent endoscopic sinus surgery (ESS) with (n = 139) and without (n = 49) EFS were compared to each other and to patients (n = 139) from the Medical Expenditures Survey Panel database who underwent medical management for chronic rhinosinusitis...
August 16, 2017: Laryngoscope
https://www.readbyqxmd.com/read/28814902/orbital-apex-cyst-a-rare-cause-of-compressive-optic-neuropathy-post-functional-endoscopic-sinus-surgery
#9
Yi Ni Koh, Shu Fen Ho, Letchumanan Pathma, Harvinder Singh, Embong Zunaina
There are various causes that can lead to compressive optic neuropathy. We present here orbital apex cyst as an unusual cause of compressive optic neuropathy in a 49-year-old male. He presented with 2 weeks painless loss of vision in the left eye with left-sided headache. He had had left functional endoscopic sinus surgery for left nasal polyps 4 years earlier. Magnetic resonance imaging of brain and orbit revealed a left discrete orbital nodule, possibly orbital cyst or mucocele, which was compressing on the left optic nerve...
2017: International Medical Case Reports Journal
https://www.readbyqxmd.com/read/28814353/pre-and-postoperative-blood-neutrophil-to-lymphocyte-and-eosinophil-to-lymphocyte-ratios-in-patients-with-sinonasal-polyps-a-preliminary-investigation
#10
Giuseppe Brescia, Umberto Barion, Claudia Zanotti, Daniela Parrino, Gino Marioni
BACKGROUND: Identifying specific endotypes within the broad picture of chronic rhinosinusitis with nasal polyps (CRSwNP), by using biomarkers for instance, remains a challenge. The prognostic role of the neutrophil-to-lymphocyte ratio (NLR) and the eosinophil-to-lymphocyte ratio (ELR) as potential markers of inflammation has already been discussed. OBJECTIVE: The aim of the present study was to compare NLR and ELR before and after endoscopic sinus surgery (ESS) and nasal mometasone furoate for CRSwNP by stratifying patients by their clinical and histologic features...
September 1, 2017: Allergy and Asthma Proceedings:
https://www.readbyqxmd.com/read/28810998/delayed-diagnosis-of-acromegaly-in-the-context-of-post-traumatic-stress-disorder-due-to-symptoms-mimicking-known-psychotropic-medication-side-effects
#11
Ray-Bernard Portier, Afshin Afarin, Sara Pope
BACKGROUND: Acromegaly is caused by elevated secretion of human growth hormone, which is frequently because of intracranial tumors. This diagnosis is fairly uncommon with an incidence of 3 to 4 cases per million patients per year. We are presenting a case of acromegaly diagnosed in an active duty Chief Petty Officer. MATERIALS AND METHODS: A 38-year-old male Chief Petty Officer with no previous mental health diagnosis experienced post-traumatic stress disorder (PTSD)-like symptoms in early 2012 after deploying to Iraq and Afghanistan from 2010 to 2011...
July 2017: Military Medicine
https://www.readbyqxmd.com/read/28808903/clinical-outcomes-of-aortic-repair-in-young-adult-patients-with-acta2-mutations
#12
Yoshimasa Seike, Kenji Minatoya, Hiroaki Sasaki, Hiroshi Tanaka, Tatsuya Itonaga, Yosuke Inoue, Hiroko Morisaki, Takayuki Morisaki, Hatsue Ishibashi-Ueda, Junjiro Kobayashi
OBJECTIVES: Actin, alpha-2, smooth muscle, aorta (ACTA2) mutations are one of the major causes of familial thoracic aortic aneurysms and dissections. The aim of this study was to review our clinical results of young adult patients with aortic disease caused by ACTA2 mutations. METHODS: We reviewed the medical records of 251 patients (<50 years old) who underwent surgery for thoracic aortic diseases between 2004 and 2014. Among them, nine patients (3.5%) had ACTA2 mutations...
August 14, 2017: General Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28806502/efficacy-of-endoscopic-sinus-surgery-for-chronic-rhinosinusitis-following-primary-radiotherapy-and-concurrent-chemotherapy-for-nasopharyngeal-carcinoma
#13
Noel Ayoub, Evan Walgama, Andrew Thamboo, Jayakar V Nayak, Peter H Hwang
BACKGROUND: Chronic rhinosinusitis (CRS) is a downstream complication following radiotherapy or chemoradiation for nasopharyngeal carcinoma (NPC). Endoscopic sinus surgery (ESS) is an accepted therapy for medically refractory CRS, but its efficacy in addressing CRS symptoms in patients with previously irradiated NPC is unclear. METHODS: All patients at the Stanford Sinus Center with a history of radiation therapy or chemoradiation for NPC between 2006 and 2015 were reviewed...
August 14, 2017: International Forum of Allergy & Rhinology
https://www.readbyqxmd.com/read/28806174/left-ventricular-apex-venting-in-high-risk-redo-sternotomy-with-severe-aortic-insufficiency-a-case-report
#14
Brett J Wakefield, Alexander J Leone, Shiva Sale
Redo cardiac surgery in patients with severe aortic insufficiency can present unique challenges to the anesthesiologist. We report a case highlighting the challenge and importance of interdisciplinary planning between cardiothoracic surgeons and anesthesiologists prior to high-risk surgery. Failure to place an endoaortic balloon and percutaneous coronary sinus catheter due to anatomical abnormalities prompted the adoption of an alternate technique involving apical ventricular venting to assist sternal reentry...
August 10, 2017: A & A Case Reports
https://www.readbyqxmd.com/read/28803859/interventions-for-walled-off-necrosis-using-an-algorithm-based-endoscopic-step-up-approach-outcomes-in-a-large-cohort-of-patients
#15
Yukako Nemoto, Rajeev Attam, Mustafa A Arain, Guru Trikudanathan, Shawn Mallery, Gregory J Beilman, Martin L Freeman
OBJECTIVES: The minimally invasive step-up approach for treatment of walled off necrosis (WON) involves drainage followed by later necrosectomy as needed, and is superior to primary surgical necrosectomy. Reported series of endoscopic transluminal necrosectomy include highly selected patients. We report outcomes of a large series of patients with WON managed by an algorithm based on an endoscopically centered step-up approach. METHODS: Consecutive patients with necrotizing pancreatitis from 2009 to 2014, with intervention only for infected or persistently symptomatic WON...
July 31, 2017: Pancreatology: Official Journal of the International Association of Pancreatology (IAP) ... [et Al.]
https://www.readbyqxmd.com/read/28802598/effect-of-parecoxib-sodium-pretreatment-combined-with-dexmedetomidine-on-early-postoperative-cognitive-dysfunction-in-elderly-patients-after-shoulder-arthroscopy-a-randomized-double-blinded-controlled-trial
#16
Jian Lu, Gang Chen, Hongmei Zhou, Qinghe Zhou, Zhipeng Zhu, Cheng Wu
STUDY OBJECTIVE: To evaluate effect of parecoxib sodium pretreatment combined with dexmedetomidine on early postoperative cognitive dysfunction in elderly patients after shoulder arthroscopy. DESIGN: Randomized, double-blind study. SETTING: University-affiliated teaching hospital. PATIENTS: One hundred and fifty-two elderly patients scheduled for shoulder arthroscopy. INTERVENTIONS: At 15min before the induction of anesthesia, 152 patients received intravenously parecoxib sodium 40mg and dexmedetomidine at a dose of 0...
September 2017: Journal of Clinical Anesthesia
https://www.readbyqxmd.com/read/28802510/aortic-dilatation-associated-with-bicuspid-aortic-valve-relation-to-sex-hemodynamics-and-valve-morphology-the-national-heart-lung-and-blood-institute-sponsored-national-registry-of-genetically-triggered-thoracic-aortic-aneurysms-and-cardiovascular-conditions
#17
Mary J Roman, Norma L Pugh, Richard B Devereux, Kim A Eagle, Kathryn Holmes, Scott A LeMaire, Rita K Milewski, Shaine A Morris, Siddharth K Prakash, Reed E Pyeritz, William J Ravekes, Ralph V Shohet, Howard K Song, Federico M Asch
This study analyzed the impact of sex, hemodynamic profile, and valve fusion pattern on aortopathy associated with bicuspid aortic valve (BAV). The National Heart Lung and Blood Institute-sponsored National Registry of Genetically Triggered Thoracic Aortic Aneurysms and Cardiovascular Conditions (GenTAC) provided comprehensive information on a large population of well-characterized patients with BAV. Of 969 enrolled patients with BAV, 551 (57%, 77% male) had already undergone valvular and/or aortic surgery...
July 14, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/28802373/clinical-curative-effect-and-safety-of-balloon-sinuplasty-in-children-with-chronic-rhinosinusitis
#18
Jia Liu, Zigai Zhao, Yang Chen, Bin Xu, Jiren Dai, Yong Fu
OBJECTIVE: Balloon Sinuplasty for the management of paranasal sinus inflammatory diseases was introduced in otolaryngology in 2005. Over the past decade, evidence strongly supports its safety and efficacy for the treatment of chronic rhinosinusitis (CRS) in adults. Because it requires no bone or tissue removal, this procedure could be suitable in children. We present our initial experience of its use for the treatment of CRS in children. MATERIALS AND METHODS: A prospective study was performed of 30 children with failed medical therapy, who were scheduled for surgery...
September 2017: International Journal of Pediatric Otorhinolaryngology
https://www.readbyqxmd.com/read/28802361/functional-endoscopic-sinus-surgery-improves-the-quality-of-life-in-children-suffering-from-chronic-rhinosinusitis-with-nasal-polyps
#19
Melina Fetta, Nikolaos S Tsilis, John V Segas, Thomas P Nikolopoulos, Petros V Vlastarakos
OBJECTIVE: To evaluate the impact of FESS in children with chronic rhinosinusitis with nasal polyps, regarding their overall postoperative quality-of-life (QoL) and constituent QoL domains. Potential differences between cystic fibrosis (CF) sufferers and non-sufferers, or cases with recurrent sinonasal polyposis versus single-operations were also explored. METHODS: 39 children were studied. The mean patient age was 10.9 years; four children suffered from cystic fibrosis...
September 2017: International Journal of Pediatric Otorhinolaryngology
https://www.readbyqxmd.com/read/28800987/dynamic-three-dimensional-geometry-of-the-aortic-valve-apparatus-a-feasibility-study
#20
Arash Khamooshian, Yannis Amador, Ting Hai, Jelliffe Jeganathan, Maria Saraf, Eitezaz Mahmood, Robina Matyal, Kamal R Khabbaz, Massimo Mariani, Feroze Mahmood
OBJECTIVE: To provide (1) an overview of the aortic valve (AV) apparatus anatomy and nomenclature, and (2) data regarding the normal AV apparatus geometry and dynamism during the cardiac cycle obtained from three-dimensional transesophageal echocardiography (3D TEE). DESIGN: Retrospective feasibility study. SETTING: A single-center university teaching hospital. PARTICIPANTS: The study was performed on data of 10 patients with a nonregurgitant, nonstenotic aortic valve undergoing cardiac surgery...
August 2017: Journal of Cardiothoracic and Vascular Anesthesia
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