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Septal reconstruction

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https://www.readbyqxmd.com/read/28334371/comparative-study-of-functional-nasal-reconstruction-using-structural-reinforcement
#1
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
#2
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
#3
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
#4
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
#5
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
#6
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
#7
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
#8
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
#9
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
#10
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
#11
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
https://www.readbyqxmd.com/read/28221263/use-of-model-based-iterative-reconstruction-to-improve-detection-of-congenital-cardiovascular-anomalies-in-infants-undergoing-free-breathing-computed-tomographic-angiography
#12
Seth Kligerman, Ferdia Bolster, Jason Mitchell, Travis Henry, Jean Jeudy, Charles S White
PURPOSE: The aim of the study was to assess the detection of congenital cardiovascular anomalies (congenital heart disease) in neonates and infants using model-based iterative reconstruction (MBIR) algorithm compared with hybrid iterative reconstruction (HIR) and filtered back projection (FBP) reconstructions on axial computed tomography (CT) performed at minimum scanner dose. MATERIALS AND METHODS: Over 1 year, all CT angiographies performed in infants below 3 months of age with congenital heart disease were assessed retrospectively...
March 2017: Journal of Thoracic Imaging
https://www.readbyqxmd.com/read/28218213/surgical-treatment-of-double-outlet-right-ventricle-complicated-by-pulmonary-hypertension
#13
Qing-Yu Wu, Dong-Hai Li, Hong-Yin Li, Ming-Kui Zhang, Zhong-Hua Xu, Hui Xue
BACKGROUND: Double outlet right ventricle (DORV) is a group of complex congenital heart abnormalities. Preoperative pulmonary hypertension (PH) is considered an important risk factor for early death during the surgical treatment of DORV. The aim of this study was to report our experience on surgical treatment of DORV complicated by PH. METHODS: From June 2004 to November 2016, 61 patients (36 males and 25 females) aged 2 weeks to 26 years (median: 0.67 years and interquartile range: 0...
February 20, 2017: Chinese Medical Journal
https://www.readbyqxmd.com/read/28205501/transseptal-access-with-crossing-multiple-incisions-for-improved-pedicle-control-and-septum-preservation-how-i-do-it
#14
K Omura, D Asaka, J Nayak, Y Tanaka
INTRODUCTION: Recently, the surgical management of nasal tumors has been greatly influenced by advanced endoscopic techniques. To achieve complete endoscopic resection of large obstructing nasal tumors, a sufficient corridor for adequate exposure is also required. In the Japanese language, TACMI means "master expert," and herein we describe an endoscopic technique with novel elements that we term transseptal access with crossing multiple incisions (TACMI). This approach enables a direct transseptal approach to the pedicle through tumor transposition while allowing complete septal reconstruction and stability...
February 15, 2017: American Journal of Rhinology & Allergy
https://www.readbyqxmd.com/read/28151866/acute-arterial-embolism-of-left-lower-extremity-caused-by-paradoxical-embolism-in-ebstein-s-anomaly-a-case-report
#15
Jun-Sheng Li, Jie Ma, Zi-Xing Yan, Dong-Ming Cheng, Liang Chang, Hai-Chun Zhang, Jiang-Yan Liu
INTRODUCTION: Ebstein's anomaly is a benign and stable congenital heart disease for asymptomatic patients. Despite a low incidence of Ebstein's anomaly (EA), patients' quality of life can be badly affected by EA without positive surgical intervention. Especially EA is associated with other congenital heart disease, such as the atrial septal defect, patent foramen ovale, and arterial embolism exclude other reasons, it is often considered to be the consequence of paradoxical embolism, and surgical intervention must be conducted...
February 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28150412/new-application-of-three-dimensional-printing-biomaterial-in-nasal-reconstruction
#16
Sun Hwa Park, Byeong Gon Yun, Joo Yun Won, Won Soo Yun, Jin Hyung Shim, Mi Hyun Lim, Do Hyun Kim, Sang A Baek, Yahya Dhafer Alahmari, Jun Ho Jeun, Se Hwan Hwang, Sung Won Kim
OBJECTIVES: Polycaprolactone (PCL) is an U.S. Food and Drug Administration-approved synthetic biodegradable polymer and is easily fabricated into three-dimensional (3D) structures. In this study, the 3D-printed PCL implant for nasal augmentation was further evaluated for its suitability for nasal surgeries such as septoplasty and rhinoplasty. METHODS: Ten New Zealand White rabbits were included and divided into study and sham groups (7 and 3, respectively). A lateral incision was made on the nasal dorsum and a pocket formed in the subperichondrial plane between the upper lateral cartilage and nasal septum...
February 1, 2017: Laryngoscope
https://www.readbyqxmd.com/read/28130765/-123-i-fp-cit-enc-dat-normal-database-the-impact-of-the-reconstruction-and-quantification-methods
#17
Livia Tossici-Bolt, John C Dickson, Terez Sera, Jan Booij, Susanne Asenbaun-Nan, Maria C Bagnara, Thierry Vander Borght, Cathrine Jonsson, Robin de Nijs, Swen Hesse, Pierre M Koulibaly, Umit O Akdemir, Michel Koole, Klaus Tatsch, Andrea Varrone
BACKGROUND: [(123)I]FP-CIT is a well-established radiotracer for the diagnosis of dopaminergic degenerative disorders. The European Normal Control Database of DaTSCAN (ENC-DAT) of healthy controls has provided age and gender-specific reference values for the [(123)I]FP-CIT specific binding ratio (SBR) under optimised protocols for image acquisition and processing. Simpler reconstruction methods, however, are in use in many hospitals, often without implementation of attenuation and scatter corrections...
December 2017: EJNMMI Physics
https://www.readbyqxmd.com/read/28127522/topographic-separation-of-fornical-fibers-associated-with-the-anterior-and-posterior-hippocampus-in-the-human-brain-an-mri-diffusion-study
#18
Kat Christiansen, Claudia Metzler-Baddeley, Greg D Parker, Nils Muhlert, Derek K Jones, John P Aggleton, Seralynne D Vann
BACKGROUND AND OBJECTIVE: Evidence from rat and nonhuman primate studies indicates that axons comprising the fornix have a characteristic topographical organization: projections from the temporal/anterior hippocampus mainly occupy the lateral fornix, whereas the more medial fornix contains fibers from the septal/posterior hippocampus. The aim of this study was to investigate whether the same topographical organization exists in the human brain. METHODS: Using high angular resolution diffusion MRI-based tractography at 3T, subdivisions of the fornix were reconstructed in 40 healthy adults by selecting fiber pathways from either the anterior or the posterior hippocampus...
January 2017: Brain and Behavior
https://www.readbyqxmd.com/read/28120177/the-impact-of-reconstruction-and-scanner-characterisation-on-the-diagnostic-capability-of-a-normal-database-for-123-i-fp-cit-spect-imaging
#19
John C Dickson, Livia Tossici-Bolt, Terez Sera, Jan Booij, Morten Ziebell, Silvia Morbelli, Susanne Assenbaum-Nan, Thierry Vander Borght, Marco Pagani, Ozlem L Kapucu, Swen Hesse, Koen Van Laere, Jacques Darcourt, Andrea Varrone, Klaus Tatsch
BACKGROUND: The use of a normal database for [(123)I]FP-CIT SPECT imaging has been found to be helpful for cases which are difficult to interpret by visual assessment alone, and to improve reproducibility in scan interpretation. The aim of this study was to assess whether the use of different tomographic reconstructions affects the performance of a normal [(123)I]FP-CIT SPECT database and also whether systems benefit from a system characterisation before a database is used. Seventy-seven [(123)I]FP-CIT SPECT studies from two sites and with 3-year clinical follow-up were assessed quantitatively for scan normality using the ENC-DAT normal database obtained in well-documented healthy subjects...
December 2017: EJNMMI Research
https://www.readbyqxmd.com/read/28116756/branch-pulmonary-artery-peel-operation-in-a-patient-without-a-native-intrapericardial-pulmonary-artery
#20
Hyungtae Kim, Si Chan Sung, Kwang Ho Choi, Hyoung Doo Lee, Gil Ho Ban, Geena Kim, Hee Young Kim
A patient with pulmonary atresia with ventricular septal defect and major aortopulmonary collateral arteries without an intrapericardial pulmonary artery (PA) underwent a one-stage total correction, including both branch PA reconstructions, with a bovine pericardial roll at the age of 42 months. She was readmitted 54 months after the operation because of extracardiac conduit bacterial endocarditis and pulmonary infarction. The bovine pericardial roll between the right and left PAs was enucleated, and the surrounding fibrotic tissue (peel) was used as a new branch PA vascular conduit...
January 23, 2017: Journal of Cardiac Surgery
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