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Septal reconstruction

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https://www.readbyqxmd.com/read/28434546/surgical-strategy-toward-biventricular-repair-for-severe-ebstein-anomaly-in-neonates-and-infancy
#1
Shu-Chien Huang, En-Ting Wu, Shyh-Jye Chen, Chi-Hsiang Huang, Jin-Chung Shih, Hen-Wen Chou, Chung-I Chang, Ing-Sh Chiu, Yih-Sharng Chen
BACKGROUND: Neonates with severe forms of Ebstein anomaly present a surgical challenge, and the Starnes operation as single ventricle palliation is highly advocated. Cone reconstruction for tricuspid valvuloplasty (TVP) has become a widely accepted technique, although very few cases of TVP have been reported in neonates. This report describes a surgical strategy for neonatal Ebstein anomaly, with an aim toward biventricular repair. METHODS: Since 2007, 7 neonates or young infants with severe Ebstein anomalies have received TVP at the National Taiwan University Hospital, Taipei, Taiwan...
April 20, 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28428471/motion-frozen-imaging-by-gated-myocardial-perfusion-single-photon-emission-computed-tomography-using-multi-focus-fan-beam-collimator-in-thallium-201-study
#2
Kaito Takahashi, Takashi Takeuchi, Yoshiyuki Hosokai, Hayato Odagiri, Haruo Saito
PURPOSE: This study aimed to evaluate the statistical noise of motion-frozen (MF) image generated by gated myocardial perfusion single photon emission computed tomography (SPECT) imaging using IQ · SPECT and to determine the optimal acquisition and reconstruction parameters for MF image using IQ · SPECT. METHODS: A movement cardiac phantom and static cardiac phantom were used to acquire the MF images. The acquisition times used were different in 8 and 16 frames per R-R interval, and varying reconstruction parameters (subset and iteration) were used...
2017: Nihon Hoshasen Gijutsu Gakkai Zasshi
https://www.readbyqxmd.com/read/28418817/virtual-mapping-of-the-frontal-recess-guiding-safe-and-efficient-frontal-sinus-surgery
#3
Neil S Patel, Amy C Dearking, Erin K O'Brien, John F Pallanch
Objective To define relationships between the frontal sinus opening, ostia of other frontal recess cells, and endoscopic landmarks and to develop a clinically useful framework to guide frontal sinus surgery. Study Design Retrospective review. Setting Tertiary care academic referral center. Methods Adult patients with computed tomography (CT) without sinonasal pathology were included. Virtual endoscopy (using OsiriX) and corresponding CT reconstructions were used to identify all visible ostia in the frontal recess and characterize their positions in spaces between the uncinate/agger nasi (U), bulla ethmoidalis (EB), and middle turbinate (MT)...
April 1, 2017: Otolaryngology—Head and Neck Surgery
https://www.readbyqxmd.com/read/28388797/dorsal-augmentation-with-homologous-rib
#4
Russell W H Kridel, Angela K Sturm
Dorsal augmentation grafts are used to reconstruct and raise the nasal dorsum in patients with dorsal saddling due to trauma, infection, or previous nasal surgery, as well as in patients with a narrow, congenitally low, and/or wide dorsum. Alloplastic implants and various biomaterials are available for grafting, each with advantages and disadvantages. Although autologous septal cartilage is a preferable and often convenient source of cartilage, it is frequently not sufficient for large volume dorsal augmentation, nor is it available in patients who have had septoplasty, infection, previous rhinoplasty with grafting, or significant trauma...
April 2017: Facial Plastic Surgery: FPS
https://www.readbyqxmd.com/read/28388794/correcting-deviations-of-the-lower-third-of-the-nose
#5
Sami P Moubayed, Sam P Most
By convention, a "deviated nose" is one in which the lower third is asymmetric with regard to the midline. The lower third of the nose is composed of the lower cartilages, as well as the dorsal and caudal nasal septum. Not only does the deviated nose cause a cosmetic deformity that is often disconcerting for patients, but it may also be associated with functional problems. Airway obstruction may result from a narrowed internal nasal valve in the middle third or from a deviated caudal septum in the lower third...
April 2017: Facial Plastic Surgery: FPS
https://www.readbyqxmd.com/read/28369397/significant-survival-advantage-of-high-pulmonary-vein-index-and-the-presence-of-native-pulmonary-artery-in-pulmonary-atresia-with-ventricular-septal-defect-and-major-aortopulmonary-collateral-arteries-results-from-preoperative-computed-tomography-angiography
#6
Qianjun Jia, Jianzheng Cen, Jian Zhuang, Xiaomei Zhong, Xiaoqing Liu, Jiahua Li, Changhong Liang, Meiping Huang
OBJECTIVES: The prognosis of pulmonary atresia with ventricular septal defect and major aortopulmonary collateral arteries (PA-VSD-MAPCAs) after surgery shows substantial clinical heterogeneity and predictors for outcomes are lacking. This study aimed to assess the predictive value of preoperative cardiac computed tomography angiography (CTA) for survival in patients with PA-VSD-MAPCAs. METHODS: We retrospectively analysed PA-VSD-MAPCA patients with preoperative CTA who underwent both right ventricular outflow tract reconstruction and MAPCA unifocalization ( n  = 24) or pulmonary artery rehabilitation ( n  = 28)...
March 28, 2017: European Journal of Cardio-thoracic Surgery
https://www.readbyqxmd.com/read/28366077/-multivalve-redo-surgery-in-adult-patient-with-complex-pulmonary-artesia
#7
István Hartyánszky, Barna Babik, Krisztina Kádár, Attila Tóth, László Göbölös, Gábor Bogáts
30-year-old adult with complex pulmonary atresia (previous surgical procedures: in infancy: exploration, at age of 10: ventricular septal defect closing, unifocalization, homograft implantation between right ventricular outflow tract and pulmonary artery) has biventricular dysfunction because of aortic valve regurgitation, ascending aortic aneurysm, and homograft insufficienty. Multivalve surgery: aortic valve plasty, pulmonary homograft changes for homograft and ascending aortic reconstruction by graft were carried out successfully...
April 2017: Orvosi Hetilap
https://www.readbyqxmd.com/read/28340647/septoplasty-basic-and-advanced-techniques
#8
REVIEW
Sam P Most, Shannon F Rudy
Nasal septal deviation is a prevalent problem that can have significant quality of life ramifications. Septoplasty is commonly performed to provide qualitative and quantitative benefit to those with nasal obstruction owing to septal deviation. Although a standard, basic technique is often adequate for individuals with mild to moderate mid to posterior septal deviation, unique challenges arise with caudal septal deviation. Herein, multiple strategies that attempt to address anterior septal deviation are discussed...
May 2017: Facial Plastic Surgery Clinics of North America
https://www.readbyqxmd.com/read/28335795/gemella-morbillorum-endocarditis-of-pulmonary-valve-a-case-report
#9
Dan Li, Zhicheng Zhu, Xiaomei Zheng, Weitie Wang, Rihao Xu, Kexiang Liu
BACKGROUND: Pulmonary valve infective endocarditis is a rare finding for endocarditis. Infective endocarditis caused by Gemella morbillorum remains a scanty occurrence. CASE PRESENTATION: This is a case reported of a 28-year-old Chinese male with endocarditis caused by pulmonary valve infection of Gemella morbillorum associated with congenital ventricular septal defect, atrial septal defect and double-chambered right ventricle. The patient presented with fever, shortness of breath, progressively worsening exertional fatigue, dyspnea and weight loss for 3 months...
March 23, 2017: Journal of Cardiothoracic Surgery
https://www.readbyqxmd.com/read/28334371/comparative-study-of-functional-nasal-reconstruction-using-structural-reinforcement
#10
Waleed H Ezzat, Sara W Liu
Importance: Nasal reconstruction after Mohs surgery is a unique challenge in that it must satisfy both functional and aesthetic goals. Despite some advocacy in the literature for using structural reinforcement to achieve both functional and aesthetic outcomes in soft-tissue reconstruction, no study has validated this claim by comparing reconstruction with and without structural support. Objective: To evaluate the effectiveness of and need for structural reinforcement when reconstructing the nasal alar and sidewall subunits...
March 23, 2017: JAMA Facial Plastic Surgery
https://www.readbyqxmd.com/read/28329229/isolated-severe-leftward-displacement-of-the-septum-primum-anatomic-and-3d-echocardiographic-findings-and-surgical-repair
#11
Fabio Cuttone, Khaled Hadeed, François Lacour-Gayet, Hugues Lucron, Sebastien Hascoet, Philippe Acar, Bertrand Leobon, Richard Van Praagh
OBJECTIVES: Leftward displacement of the septum primum is usually described as associated with hypoplastic left heart syndrome or visceral heterotaxy. This rare malformation results in partially or totally anomalous pulmonary venous drainage with a normal connection of the pulmonary veins to the left atrium, depending on the degree of septal shift. We report the 3D echocardiographic and anatomic findings as well as the surgical repair in a series of isolated severe leftward displacement of the septum primum, responsible for totally anomalous pulmonary venous drainage...
February 16, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/28329206/precise-moulded-autologous-pericardial-configurations-for-aortic-cusp-reconstruction
#12
Mohammad Bashar Izzat, Khaled Hamzeh, Farouk Almohammad
OBJECTIVES: In order to facilitate surgical repair of complex aortic cusp deformities and restoration of aortic valve competence, new moulds were developed to shape the glutaraldehyde-treated autologous pericardium into precise cusp-like configurations that can be used in aortic cusp reconstruction. METHODS: The new moulds embodied the natural geometry of single aortic cusps, and a series of moulds were made available to correspond with all potential aortic cusp sizes...
February 27, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/28329138/small-intestinal-submucosa-tricuspid-valve-tube-graft-shows-growth-potential-remodelling-and-physiological-valve-function-in-a-porcine-model%C3%A2
#13
Diana M Ropcke, Christine Ilkjaer, Marcell J Tjornild, Soren N Skov, Steffen Ringgaard, Vibeke E Hjortdal, Sten L Nielsen
OBJECTIVES: Tricuspid valve reconstruction using small intestinal submucosal extracellular matrix (ECM) designed as a tube graft is possible in severe valve pathology. Using cardiac magnetic resonance imaging (MRI) and digital photograph imaging, valves were evaluated after 6 months in a porcine model. METHODS: Ten 60 kg pigs received a tricuspid valve tube graft. A baseline MRI was performed after 2 weeks ( n  = 8). A follow-up MRI was performed in three of five 6 months' survivors to assess function and haemodynamics of the tricuspid tube graft...
February 27, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/28321387/free-mucosal-graft-reconstruction-of-the-septum-after-nasoseptal-flap-harvest-a-novel-technique-using-a-posterior-septal-free-mucosal-graft
#14
Frederick Yoo, Edward C Kuan, Marvin Bergsneider, Marilene B Wang
Objectives The nasoseptal flap (NSF) has become the workhorse for reconstruction in endoscopic endonasal skull-base surgery. The NSF, though useful in reconstruction, may lead to significant donor site morbidity. Published techniques to reduce the donor site morbidity, free mucosal grafts, and septal rotational flaps have shown to reduce crusting and remucosalization times. We present a novel technique utilizing posterior septal mucosa as a free mucosal graft for reconstruction of the anterior septal donor site...
April 2017: Journal of Neurological Surgery. Part B, Skull Base
https://www.readbyqxmd.com/read/28321378/hemi-transseptal-approach-for-pituitary-surgery-a-follow-up-study
#15
Naif Fnais, Salvatore Di Maio, Susan Edionwe, Anthony Zeitouni, Denis Sirhan, Constanza J Valdes, Marc A Tewfik
Objectives The hemi-transseptal (Hemi-T) approach was developed to overcome the potential drawbacks of the nasoseptal flap (NSF) in endoscopic endonasal transsphenoidal skull base surgery. In this study, we describe further refinements on the Hemi-T approach, and report long-term outcomes as compared with traditional methods of skull base reconstruction. Design A retrospective case-control study. Setting Montreal Neurological Institute and Jewish General Hospital, Montreal, Canada. Participants Patients who underwent endoscopic endonasal transsphenoidal approach to skull base pathology...
April 2017: Journal of Neurological Surgery. Part B, Skull Base
https://www.readbyqxmd.com/read/28303377/the-differences-of-the-precommissural-and-postcommissural-fornix-in-the-hippocampal-location-a-diffusion-tensor-tractography-study
#16
Sung Ho Jang, Sang Seok Yeo
PURPOSE: The precommissural fornix and postcommissural fornix have different connections to the basal forebrain and septal region, and mammillary body, respectively. However, little is known about the differences of the precommissural fornix and postcommissural fornix in the hippocampal location. In this study, using diffusion tensor tractography, we investigated the differences of the precommissural fornix and postcommissural fornix in the hippocampal location. METHODS: We recruited 25 healthy volunteers for this study...
March 16, 2017: Neuroradiology
https://www.readbyqxmd.com/read/28301535/quantitative-assessment-of-pulmonary-alveolar-proteinosis-pap-with-ultra-dose-ct-and-correlation-with-pulmonary-function-tests-pfts
#17
Xin Sui, Qianni Du, Kai-Feng Xu, Xinlun Tian, Lan Song, Xiao Wang, Xiaoli Xu, Zixing Wang, Yuyan Wang, Jun Gu, Wei Song, Zhengyu Jin
BACKGROUND: The purpose of this study was to investigate whether ultra-low-dose chest computed tomography (CT) can be used for visual assessment of CT features in patients with pulmonary alveolar proteinosis (PAP) and to evaluate the relationship between the quantitative analysis of the ultra-low-dose CT scans and the pulmonary function tests (PFTs). METHODS: Thirty-eight patients (mean [SD] age, 44.47 [12.28] years; 29 males, 9 females) with PAP were enrolled and subjected to two scans each with low-dose CT (reference parameters: 120 kV and 50 mAs) and ultra-low-dose CT (reference parameters, 80 kV, 25 mAs)...
2017: PloS One
https://www.readbyqxmd.com/read/28295381/upper-lateral-cartilage-composite-flap-for-closure-of-complicated-septal-perforations
#18
David F Smith, Monirah Albathi, Andrew Lee, Linda N Lee, Kofi D Boahene
OBJECTIVES/HYPOTHESIS: To present a novel technique for the repair of large complicated nasal septal perforations using an upper lateral cartilage composite flap. STUDY DESIGN: This is a case series of five patients with large septal perforations seen at an academic tertiary care center, who have failed previous treatment measures and were selected to undergo this novel reconstruction for closure of their defects. METHODS: Patients were followed clinically to determine the success of the repair...
March 14, 2017: Laryngoscope
https://www.readbyqxmd.com/read/28260150/importance-of-multidisciplinary-management-for-pulmonary-atresia-ventricular-septal-defect-major-aorto-pulmonary-collateral-arteries-and-completely-absent-central-pulmonary-arteries
#19
Takaya Hoashi, Satoshi Yazaki, Koji Kagisaki, Masataka Kitano, Masatoshi Shimada, Isao Shiraishi, Hajime Ichikawa
BACKGROUND: To review long-term clinical outcomes for pulmonary atresia, ventricular septal defect (PA/VSD), major aorto-pulmonary collateral arteries (MAPCAs) and completely absent central pulmonary arteries (cPAs). METHODS: Of all 120 surgically treated patients with PA/VSD, MAPCAs between 1981 and 2011, 15 patients (12.5%) with completely absent cPAs were enrolled. The median age at initial surgery was 3.8 ± 4.9 years old (range 0.1-17.6) and 3.5 (2-6)...
March 4, 2017: General Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28242076/regional-changes-in-leaflet-coaptation-dynamics-after-total-tricuspid-reconstruction
#20
Diana M Ropcke, Christine Ilkjær, Søren N Skov, Marcell J Tjørnild, Anders Vibaek, Henrik Jensen, Vibeke E Hjortdal, Sten L Nielsen
BACKGROUND: Stentless porcine extracellular matrix tricuspid tube grafts were developed for tricuspid valve reconstruction. The purpose of this study was to conduct an echocardiographic assessment of the performance of native and tube graft leaflets in an acute porcine model. METHODS: Fourteen 65-kg pigs were randomly assigned to tube graft (n = 7) or control with native valve preservation (n = 7). Epicardial echocardiography was performed at baseline after sternotomy, after valve operation, and after hemodynamic stabilization...
February 24, 2017: Annals of Thoracic Surgery
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