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https://www.readbyqxmd.com/read/28639070/osseous-cartilaginous-spreader-graft-and-nasal-framework-reconstruction
#1
Safvet Ors
Revision rhinoplasties and saddle nose deformities usually require grafting for reconstruction. Between January 1, 2000, and January 1, 2017, autologous rib grafts were used in 127 secondary and tertiary rhinoplasty patients [(57/127 females) and (70/127 males)]. Osseous-cartilaginous rib grafts (OCRGs) were divided into three parts (i.e., 1/3 upper peripheral, 1/3 central, and 1/3 lower peripheral). The harvested OCRGs were also shaped as vertical strips using a number 11 scalpel blade. These OCRGs were shaped to form the L-strut cartilaginous graft (LSCGs), osseous-cartilaginous spreader grafts (OCSGs), osseous-cartilaginous onlay grafts, nasal valve grafts (NVGs), and lower lateral cartilaginous grafts (LLCGs)...
June 21, 2017: Aesthetic Plastic Surgery
https://www.readbyqxmd.com/read/28638577/a-rare-case-of-apical-hypertrophic-cardiomyopathy-ahcm
#2
Seyed Abbas Mirabbasi, Koroush Khalighi, Suresh Mukkamala, Archana Kodali
Apical hypertrophic cardiomyopathy is a rare form of hypertrophic cardiomyopathy that involves thickening of the distal portion of the left ventricular wall. Most commonly seen in the Japan, with a prevalence rate of about 15% of all HCM patient, its incidence in the USA is approximately 3% of HCM cases. We report a case of a 46-year-old woman with history of hypertension who presented to emergency department with worsening dyspnea and orthopnea with features of left ventricular hypertrophy (LVH) and diffuse large T-wave inversions in the lateral leads on a 12-lead ECG...
March 2017: Journal of Community Hospital Internal Medicine Perspectives
https://www.readbyqxmd.com/read/28630171/distinctive-left-ventricular-activations-associated-with-ecg-pattern-in-heart-failure-patients
#3
Nicolas Derval, Josselin Duchateau, Saagar Mahida, Romain Eschalier, Frederic Sacher, Joost Lumens, Hubert Cochet, Arnaud Denis, Xavier Pillois, Seigo Yamashita, Yuki Komatsu, Sylvain Ploux, Sana Amraoui, Adlane Zemmoura, Philippe Ritter, Mélèze Hocini, Michel Haissaguerre, Pierre Jaïs, Pierre Bordachar
BACKGROUND: In contrast to patients with left bundle branch block (LBBB), heart failure patients with narrow QRS and nonspecific intraventricular conduction delay (NICD) display a relatively limited response to cardiac resynchronization therapy. We sought to compare left ventricular (LV) activation patterns in heart failure patients with narrow QRS and NICD to patients with LBBB using high-density electroanatomic activation maps. METHODS AND RESULTS: Fifty-two heart failure patients (narrow QRS [n=18], LBBB [n=11], NICD [n=23]) underwent 3-dimensional electroanatomic mapping with a high density of mapping points (387±349 LV)...
June 2017: Circulation. Arrhythmia and Electrophysiology
https://www.readbyqxmd.com/read/28626939/technical-note-a-3-d-rendering-algorithm-for-electromechanical-wave-imaging-of-a-beating-heart
#4
Pierre Nauleau, Lea Melki, Elaine Wan, Elisa Konofagou
PURPOSE: Arrhythmias can be treated by ablating the heart tissue in the regions of abnormal contraction. The current clinical standard provides electroanatomic 3- D maps to visualize the elec-trical activation and locate the arrhythmogenic sources. However, the procedure is time-consuming and invasive. Electromechanical Wave Imaging is an ultrasound- based non-invasive technique that can provide 2-D maps of the electromechanical activation of the heart. In order to fully visualize the complex 3-D pattern of activation, several 2-D views are acquired and processed separately They are then manually registered with a 3-D rendering software to generate a pseudo-3-D map However, this last step is operator-dependent and time-consuming...
June 19, 2017: Medical Physics
https://www.readbyqxmd.com/read/28619276/arginine-vasopressin-relates-with-spatial-learning-and-memory-in-a-mouse-model-of-spinocerebellar-ataxia-type-3
#5
Hong-Bo Jiang, Ai-Lin Du, Hai-Yang Luo, Jun Yang, Xiao-Qiu Luo, Rui-Qing Ma, Chang-He Shi, Yu-Ming Xu
Spinocerebellar ataxia is an inherited neurodegenerative disorder that the most prevalent type is type 3 (SCA3). Arginine vasopressin (AVP) is released within the lateral septum for controlling the learning and memory. This communication studied the effect of AVP on the spatial learning and memory of SCA3 mice. The spatial learning and memory were analyzed by Morris water maze test (MWM), and AVP concentration was measured by radioimmunoassay. The results showed that (Alves et al., 2010) the swimming velocity, distance traveled and latency to the platform of MWM in SCA3 mice were reduced slower than those in WT mice over 4 training days (p<0...
June 6, 2017: Neuropeptides
https://www.readbyqxmd.com/read/28609296/neuroanatomical-pathways-underlying-the-effects-of-hypothalamo-hypophysial-adrenal-hormones-on-exploratory-activity
#6
Robert Lalonde, Catherine Strazielle
When injected via the intracerebroventricular route, corticosterone-releasing hormone (CRH) reduced exploration in the elevated plus-maze, the center region of the open-field, and the large chamber in the defensive withdrawal test. The anxiogenic action of CRH in the elevated plus-maze also occurred when infused in the basolateral amygdala, ventral hippocampus, lateral septum, bed nucleus of the stria terminalis, nucleus accumbens, periaqueductal grey, and medial frontal cortex. The anxiogenic action of CRH in the defensive withdrawal test was reproduced when injected in the locus coeruleus, while the amygdala, hippocampus, lateral septum, nucleus accumbens, and lateral globus pallidus contribute to center zone exploration in the open-field...
June 13, 2017: Reviews in the Neurosciences
https://www.readbyqxmd.com/read/28607615/diffuse-interstitial-fibrosis-assessed-by-cardiac-magnetic-resonance-is-associated-with-dispersion-of-ventricular-repolarization-in-patients-with-hypertrophic-cardiomyopathy
#7
David Hurtado-de-Mendoza, Celia P Corona-Villalobos, Iraklis Pozios, Jorge Gonzales, Yalda Soleimanifard, Sanjay Sivalokanathan, Diego Montoya-Cerrillo, Styliani Vakrou, Ihab Kamel, Wilfredo Mormontoy-Laurel, Ketty Dolores-Cerna, Jacsel Suarez, Sergio Perez-Melo, David A Bluemke, Theodore P Abraham, Stefan L Zimmerman, M Roselle Abraham
BACKGROUND: Hypertrophic cardiomyopathy (HCM) is characterized by myocyte hypertrophy, disarray, fibrosis, and increased risk for ventricular arrhythmias. Increased QT dispersion has been reported in patients with HCM, but the underlying mechanisms have not been completely elucidated. In this study, we examined the relationship between diffuse interstitial fibrosis, replacement fibrosis, QTc dispersion and ventricular arrhythmias in patients with HCM. We hypothesized that fibrosis would slow impulse propagation and increase dispersion of ventricular repolarization, resulting in increased QTc dispersion on surface electrocardiogram (ECG) and ventricular arrhythmias...
June 2017: Journal of Arrhythmia
https://www.readbyqxmd.com/read/28603805/stress-and-displacement-patterns-in-the-craniofacial-skeleton-with-rapid-maxillary-expansion-a-finite-element-method-study
#8
J Priyadarshini, C M Mahesh, B S Chandrashekar, Abhishek Sundara, A V Arun, Vinay P Reddy
BACKGROUND: Rapid maxillary expansion (RME), indicated in the treatment of maxillary deficiency directs high forces to maxillary basal bone and to other adjacent skeletal bones. The aim of this study is to (i) evaluate stress distribution along craniofacial sutures and (ii) study the displacement of various craniofacial structures with rapid maxillary expansion therapy by using a Finite Element model. METHODS: An analytical model was developed from a dried human skull of a 12 year old male...
December 2017: Progress in Orthodontics
https://www.readbyqxmd.com/read/28602068/radiographic-changes-of-the-nasal-septal-body-among-patients-with-sinonasal-diseases
#9
January E Gelera, Devendra Ojar, Jae Hyun Lim, Jee Hye Wee, Jeong-Whun Kim, Chae-Seo Rhee
Objectives: This study aims to determine the anatomical changes occurring in the nasal septal body (NSB) among patients with sinonasal disease and compares the measurements obtained from patients without sinonasal disease. Methods: This was a retrospective study involving review of 405 (93 without and 212 with sinonasal disease) plain paranasal sinus computed tomography (PNS CT) on coronal view at a tertiary training hospital, which was done consecutively from January 2014 to December 2015...
June 6, 2017: Clinical and Experimental Otorhinolaryngology
https://www.readbyqxmd.com/read/28595217/-pulmonary-valve-plasty-after-postoperative-pulmonary-insufficiency
#10
Takafumi Kozaki, Tai Fuchigami, Masahiko Nishioka, Toru Akashige, Nobuhiro Nagata
A 6-year-old boy (weight 15.5 kg) underwent pulmonary valve plasty using autologous pericardium. He received a diagnosis of aortic coarctation and ventricular septal defect. Total correction was performed at the age of 18 days ( weight 2.2 kg). Intraoperatively, to confirm the position of the ventricular septum defect, we needed to incise from the main pulmonary artery to right ventricle through a commissure part of pulmonary valve. Although he exhibited stable hemodynamics, pulmonary valve regurgitation progressed...
June 2017: Kyobu Geka. the Japanese Journal of Thoracic Surgery
https://www.readbyqxmd.com/read/28594798/-anatomical-aspects-of-formation-of-corona-phlebectatica
#11
R E Kalinin, I A Suchkov, G A Puchkova, V P Zhelezinskiĭ, I N Shanaev
The data concerning the anatomy of perforant veins of the foot can by no means be referred to as insufficiently known. At the same time, these descriptions are encountered rather rarely in the educational-and-methodical literature. To a certain degree, this may be explained by low pathogenetic significance of perforant veins of the foot; however, these data are required for the surgeon in carrying out both standard phlebectomy and sclerotherapy of subcutaneous varicose veins, especially if the zone of surgical intervention is situated immediately on the foot...
2017: Angiologii︠a︡ i Sosudistai︠a︡ Khirurgii︠a︡, Angiology and Vascular Surgery
https://www.readbyqxmd.com/read/28586098/diastolic-dysfunction-of-hypertrophic-cardiomyopathy-genotype-positive-subjects-without-hypertrophy-is-detected-by-tissue-doppler-imaging-a-systematic-review-and-meta-analysis
#12
Wen Liu, Dandan Sun, Jun Yang
OBJECTIVES: To evaluate whether diastolic dysfunction derived by tissue Doppler imaging (TDI) would be an earlier manifestation in genotype-positive hypertrophic cardiomyopathy (HCM) subjects without left ventricular hypertrophy (LVH). METHODS: We systematically searched Pubmed, Medline, and Web of Science with an upper date limit of June 2016 for studies evaluating the diastolic function of HCM genotype-positive subjects without hypertrophy (G+/LVH-). Based on the inclusion criteria, eligible studies were selected...
June 6, 2017: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/28579859/clot-in-lung-clot-in-heart-a-case-report-of-tumor-like-thrombus-in-right-atrium
#13
Roshanak Habibi, Alvaro J Altamirano, Shahriar Dadkhah
Tumor-like formation of thrombus in the right atrial cavity is rare. It may be mistaken for a myxoma. The exact pathophysiology of an isolated thrombus in the heart is still unclear. Management to prevent complications such as pulmonary thromboembolism depends on the clinical judgment of a cardiologist. This report describes a 76-year-old woman with right atrial thrombus causing subsequent pulmonary thromboembolism in right lung. She initially presented to us with pulmonary embolism, and later, an incidental finding of a mass in her right atrium revealed an association of thrombus in heart with thrombus in lung...
2017: Clinical Medicine Insights. Case Reports
https://www.readbyqxmd.com/read/28576510/the-role-of-the-habenula-in-the-transition-from-reward-to-misery-in-substance-use-and-mood-disorders
#14
REVIEW
Albert Batalla, Judith R Homberg, Tatiana V Lipina, Guillaume Sescousse, Maartje Luijten, Svetlana A Ivanova, Arnt F A Schellekens, Anton J M Loonen
The habenula (Hb) is an evolutionary well-conserved structure located in the epithalamus. The Hb receives inputs from the septum, basal ganglia, hypothalamus, anterior cingulate and medial prefrontal cortex, and projects to several midbrain centers, most importantly the inhibitory rostromedial tegmental nucleus (RMTg) and the excitatory interpeduncular nucleus (IPN), which regulate the activity of midbrain monoaminergic nuclei. The Hb is postulated to play a key role in reward and aversion processing across species, including humans, and to be implicated in the different stages of transition from recreational drug intake to addiction and co-morbid mood disorders...
May 30, 2017: Neuroscience and Biobehavioral Reviews
https://www.readbyqxmd.com/read/28571072/revision-rhinoplasty-retrospective-chart-review-analysis-of-deformities-and-surgical-maneuvers-in-patients-with-nasal-airway-obstruction-five-years-of-experience
#15
John K Goudakos, Dimitrios Daskalakis, Kalpesh Patel
Nasal airway obstruction is one of the most frequent causes of revision rhinoplasty in patients after previous rhinoplasty procedure. Purpose of this study is to present the deformities and the surgical maneuvers conducted in revision rhinoplasty patients with functional complaint, anatomical sites at risk, and potential prophylactic maneuvers. This study is a retrospective chart review analysis of 46 consecutive revision rhinoplasty procedures in patients with nasal airway obstruction. Inclusion criteria were at least one previous rhinoplasty and nasal airway obstruction as the epicenter of patients' complaint...
June 2017: Facial Plastic Surgery: FPS
https://www.readbyqxmd.com/read/28568285/claviform-aspergillus-related-vegetation-in-the-left-ventricle-of-a-patient-with-systemic-lupus-erythematosus
#16
Tetsushi Yamamoto, Shimpei Kasagi, Chiyo Kurimoto, Takamitsu Imanishi, Nobuhide Hayashi, Akio Morinobu, Jun Saegusa
A 38-year-old woman was diagnosed with systemic lupus erythematosus and received immunosuppressive therapy. After 6 months of treatment, workup for low-grade fever yielded elevated enzyme-linked immunosorbent assay titers for Aspergillus antigen in serum and ascites, leading to the diagnosis of disseminated aspergillosis. Transthoracic echocardiography revealed a claviform vegetation attached to the left ventricular anterior septum. Two days after the start of antifungal Amphotericin-B therapy, the patient suffered from several neurologic disorders...
June 1, 2017: Journal of Clinical Ultrasound: JCU
https://www.readbyqxmd.com/read/28566824/use-of-strain-strain-rate-tissue-velocity-imaging-and-endothelial-function-for-early-detection-of-cardiovascular-involvement-in-patients-with-beta-thalassemia
#17
Abhinav Gupta, Aditya Kapoor, Shubha Phadke, Archana Sinha, Shridhar Kashyap, Roopali Khanna, Sudeep Kumar, Naveen Garg, Satyendra Tewari, Pravin Goel
BACKGROUND: Global ventricular function often remains normal in patients with beta-thalassemia major (β-TM) until late. Tissue Doppler and strain imaging may be useful to assess regional myocardial function abnormalities in these patients. METHODS: Systolic (Sm), early diastolic (Em), and late diastolic (Am) (Em/Am) myocardial velocities at basal lateral and septal left ventricular (LV) segments, strain (S), and strain rate (SR) in basal and mid LV, right ventricular (RV) and septum were measured in 30 patients (β-TM, 12...
May 2017: Annals of Pediatric Cardiology
https://www.readbyqxmd.com/read/28561740/a-new-genus-of-proteocephalid-tapeworm-cestoda-from-the-marbled-swamp-eel-synbranchus-marmoratus-bloch-synbranchiformes-synbranchidae-in-the-river-paran%C3%A3-basin-argentina
#18
Nathalia J Arredondo, Philippe Vieira Alves, Alicia A Gil de Pertierra
Synbranchiella gen. n. is proposed to accommodate Synbranchiella mabelae sp. n. (Proteocephalidae: Monticelliinae) from the intestine of the marbled swamp eel Synbranchus marmoratus Bloch, in the River Colastiné, a tributary of the middle River Paraná in Argentina. The new genus is placed in the Monticelliinae because of the cortical position of the genital organs. It differs from all known monticelliine genera by the following combination of characters: (i) scolex robust, with a conical apex, without metascolex; (ii) biloculate suckers with a conspicuous septum separating unequally-sized loculi and a robust non-adherent area, lacking free posterior margin; (iii) vitelline follicles in two narrow lateral bands, extended throughout the nearly entire proglottid length; (iv) vagina always anterior to the cirrus-sac, with an inconspicuous vaginal sphincter; (v) a genital pore pre-equatorial...
May 5, 2017: Folia Parasitologica
https://www.readbyqxmd.com/read/28556243/anatomical-study-of-the-internal-nasal-branch-of-the-infraorbital-nerve-application-to-minimizing-nerve-damage-with-surgery-in-and-around-the-nose
#19
Joe Iwanaga, Koichi Watanabe, Brandon Henry, Krzysztof A Tomaszewski, Jerzy A Walocha, Rod J Oskouian, R Shane Tubbs
The internal nasal branch of the infraorbital nerve (ION) runs down the nose and around the ala to be distributed to the nasal septum and vestibule. The aim of this study was to measure the internal nasal branch around the ala of the nose and discuss its possible relevance in clinical/surgical practice. Twelve sides from seven specimens derived from fresh frozen and embalmed Caucasian cadaveric heads were dissected. The specimens included three males and four females. The ages of the cadavers at death ranged from 65 to 84 years...
May 27, 2017: Clinical Anatomy
https://www.readbyqxmd.com/read/28554559/endoscopic-closure-of-septal-perforations
#20
Isam Alobid
OBJECTIVE: The management of septal perforations is a challenge for the surgeon. A wide variety of surgical techniques have been described, with different approaches. There is no scientific evidence to support a particular approach. The objective of this review is to present a practical guide on the technique of choice for each case of septal perforation. DISCUSSION: Inspection of the nasal mucosa, the size of the perforation, the location and especially the osteo-cartilaginous support, are the pillars of a successful surgery...
May 26, 2017: Acta Otorrinolaringológica Española
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