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Septal reconstruction

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https://www.readbyqxmd.com/read/28066610/the-application-of-autologous-pulmonary-artery-in-surgical-correction-of-complicated-aortic-arch-anomaly
#1
Shusheng Wen, Jianzheng Cen, Jimei Chen, Gang Xu, Biaochuan He, Yun Teng, Jian Zhuang
BACKGROUND: In the patients with longer-segment aortic arch hypoplasia or interruption with ventricular septal defect, surgery with homograft vessel or autologous pericardial patch to augment descending aortic arch will not result in adverse reactions caused by end-to-end anastomosis. In this study, we retrospectively analyzed primary experience of surgical correction of complicated aortic arch anomaly with autologous main pulmonary artery. METHODS: From July 2010 to March 2016, the twenty-one cases of aortic arch complex anomalies were reconstructed with autologous main pulmonary artery...
November 2016: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28048785/su-f-j-08-quantitative-spect-imaging-of-ra-223-in-a-phantom
#2
J Yue, R Hobbs, G Sgouros, E Frey
PURPOSE: Ra-223 therapy of prostate cancer bone metastases is being used to treat patients routinely. However, the absorbed dose distribution at the macroscopic and microscopic scales remains elusive, due to the inability to image the small activities injected. Accurate activity quantification through imaging is essential to calculate the absorbed dose in organs and sub-units in radiopharmaceutical therapy, enabling personalized absorbed dose-based treatment planning methodologies and more effective and optimal treatments...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28043462/right-ventricular-outflow-tract-reconstruction-with-a-polytetrafluoroethylene-monocusp-valve-a-20-year-experience
#3
Mohineesh Kumar, Mark W Turrentine, Mark D Rodefeld, Teresa Bell, John W Brown
In patients with tetralogy of Fallot (TOF), pulmonary atresia (PA), and other congenital right ventricular outflow tract (RVOT) malformations, polytetrafluoroethylene (PTFE) monocusp outflow tract patches (MOTP) relieve obstruction and provide pulmonary valve competence. The purpose of this study was to determine whether our PTFE-MOTP was an acceptable short- and mid-term remedy for patients with TOF or PA as assessed by freedom from severe pulmonary regurgitation and freedom from reoperation. From 1994-2014, 171 patients (mean age 1...
July 2016: Seminars in Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28034709/transcatheter-closure-of-perimembranous-ventricular-septal-defects-using-dual-wire-maintaining-technique
#4
Xu-Dong Xu, Li-Ming Gao, Yuan Bai, Zhi-Gang Zhang, Xiao-Hua You, Xian-Xian Zhao, Yong-Wen Qin
OBJECTIVE: The present study was designed to evaluate the safety and feasibility of transcatheter closure of perimembranous ventricular septal defects (PmVSDs) with dual wire-maintaining technique (DWMT). PATIENTS/METHODS: From January 2010 to December 2013, a total of 241 patients (men: 109, women: 132; mean age: 22.2±15.4 years) with congenital PmVSDs were randomised to either the conventional technique (CT) group (n=118) or the DWMT group (n=123). RESULTS: In the CT group, the track wire was withdrawn before occluder insertion...
December 7, 2016: Heart, Lung & Circulation
https://www.readbyqxmd.com/read/28033636/treatment-strategy-for-revision-rhinoplasty-in-asians
#5
Yong Ju Jang, Do-Youn Kim
Revision rhinoplasty in Asian patients is associated with problems related to the use of grafts or implant materials. Moreover, the septal cartilage of Asian individuals is generally weak and small, which makes it particularly vulnerable to injury or secondary deformity during primary surgery. Hence, there is an increased demand for major reconstruction of the septal cartilage framework during revision surgery in Asian patients. In revision rhinoplasty of the nose in Asian patients, appropriate management of the graft or implant is vital...
December 2016: Facial Plastic Surgery: FPS
https://www.readbyqxmd.com/read/28032913/correction-of-hysteretic-respiratory-motion-in-spect-myocardial-perfusion-imaging-simulation-and-patient-studies
#6
Paul K R Dasari, Arda Könik, P Hendrik Pretorius, Karen L Johnson, William P Segars, Mohammed S Shazeeb, Michael A King
PURPOSE: Amplitude based respiratory gating is known to capture the extent of respiratory motion (RM) accurately but results in residual motion in the presence of respiratory hysteresis. In our previous study, we proposed and developed a novel approach to account for respiratory hysteresis by applying the Bouc-Wen (BW) model of hysteresis to external surrogate signals of anterior / posterior motion of the abdomen and chest with respiration. In this work using simulated and clinical SPECT myocardial perfusion imaging (MPI) studies, we investigate the effects of respiratory hysteresis and evaluate the benefit of correcting it using the proposed BW model in comparison with the abdomen signal typically employed clinically...
December 29, 2016: Medical Physics
https://www.readbyqxmd.com/read/28017577/ebstein-s-anomaly-genetics-clinical-manifestations-and-management
#7
REVIEW
Shi-Min Yuan
Ebstein's anomaly is uncommon. Genetic bases of this congenital heart defect may be related to the mutations in myosin heavy chain 7 and NKX2.5, among others. Asymptomatic patients with Ebstein's anomaly can be conservatively treated and kept under close follow-up, whereas surgical operation is indicated for those patients with evidence of right heart dilation and progressively impaired ventricular systolic function. A biventricular repair consisting of the reconstruction of a competent monocuspid tricuspid valve, right ventriculorrhaphy, subtotal atrial septal defect closure, and aggressive reduction atrioplasty is suitable for most patients, and 1...
November 19, 2016: Pediatrics and Neonatology
https://www.readbyqxmd.com/read/28010875/achievements-and-limitations-of-a-strategy-of-rehabilitation-of-native-pulmonary-vessels-in-pulmonary-atresia-ventricular-septal-defect-and-major-aortopulmonary-collateral-arteries
#8
Jerome Soquet, Matthew Liava'a, Lucas Eastaugh, Igor E Konstantinov, Johann Brink, Christian P Brizard, Yves d'Udekem
BACKGROUND: A strategy of rehabilitation for pulmonary atresia, ventricular septal defect, and major aortopulmonary collateral arteries (PA/VSD/MAPCAs) comprises repetitive shunting and patching procedures of the central pulmonary arteries. We wanted to determine the feasibility and limitations of a strategy of rehabilitation. METHODS: The outcomes of 37 consecutive patients operated from June 2003 to December 2014 for PA/VSD/MAPCAs were reviewed. The patients were directed to a rehabilitation strategy, except when they presented in heart failure with very large collaterals...
December 20, 2016: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28005774/a-simple-closure-technic-for-tracheoesophageal-puncture-failures
#9
Ahmet Mutlu, Sinem Dasli, Murat Ozturk, Murat Topdag
Tracheosephageal puncture is the one of the most favorable methods, and widely used by physicians for voice reconstruction after total laryngectomy. Intractable leakages from the tracheosephageal punctures are the most common complication, and management of these fistulas is still troublesome for the patients and physicians. Local surgical sutures, rotational flaps, injections are reported previously, but in this report the authors aimed to mention on a very simple method with silicone septal button. Insertion of a temporary silicone septal button may be well tolerated by patients and can help to manage this complication easily on exact indications...
November 2016: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/27932858/one-stage-bone-strip-reconstruction-technique-with-balloon-sinus-dilatation-surgery-for-chronic-maxillary-atelectasis
#10
Tomoyuki Kashima, Robert A Goldberg, Jocelyne C Kohn, Daniel B Rootman
PURPOSE: Chronic maxillary atelectasis is characterized by unilateral spontaneous enophthalmos and hypoglobus due to increased orbital volume secondary to maxillary sinus inward deformation. Reformation of the sinus architecture and reconstruction of the orbit are key to a successful outcome. Here, we introduce a one-staged surgery that addresses both these goals. PATIENTS AND METHODS: We retrospectively reviewed 11 patients treated with one-stage orbital and sinus surgery...
2016: Clinical Ophthalmology
https://www.readbyqxmd.com/read/27906082/secondary-correction-of-nasal-deformities-in-cleft-lip-and-palate-patients-surgical-technique-and-outcome-evaluation
#11
Gabor Vass, Gabor Mohos, Zsofia Bere, Laszlo Ivan, Janos Varga, Jozsef Piffko, Laszlo Rovo
BACKGROUND: Nasal deformity associated with cleft lip and palate is a highly challenging reconstructive problem in rhinoplasty. In the literature, several operative solutions and evaluation methods have been described, however these do not offer a standard procedure for the surgeon. Our aim was to standardize our surgical technique-as much as the uniqueness of each case allowed it-based on the most frequent deformities we had faced; and to evaluate our results via a postoperative patient satisfaction questionnaire...
December 1, 2016: Head & Face Medicine
https://www.readbyqxmd.com/read/27904843/cardiac-surgery-in-africa-a-thirty-five-year-experience-on-open-heart-surgery-in-cote-d-ivoire
#12
Koffi Herve Yangni-Angate, Christophe Meneas, Florent Diby, Manga Diomande, Anicet Adoubi, Yves Tanauh
BACKGROUND: Few centers for open heart surgery (OHS) are in Sub-Saharan Africa. Lack of OHS results is also noted. By reporting our African experience on OHS, the aim of this study was to fill the gap. METHODS: It is a retrospective study on 2,612 patients who were subject to an OHS between 1978 and 2013. Data were collected from demographical, clinical, investigative studies, surgical and outcomes parameters. RESULTS: There were 1,475 cases of rheumatic heart diseases (RHD), 126 endomyocardial fibrosis (EMF), 741 congenital heart diseases (CHDs) and 270 various affections...
October 2016: Cardiovascular Diagnosis and Therapy
https://www.readbyqxmd.com/read/27885998/bi-ventricular-finite-element-model-of-right-ventricle-overload-in-the-healthy-rat-heart
#13
Fulufhelo Masithulela
BACKGROUND: The recognition of RV overpressure is critical to human life, as this may signify morbidity and mortality. Right ventricle (RV) dysfunction is understood to have an impact on the performance of the left ventricle (LV), but the mechanisms remain poorly understood. It is understood that ventricular compliance has the ability to affect cardiac performance. In this study, a bi-ventricular model of the rat heart was used in preference to other, single-ventricle models. Finite element analysis (FEA) of the bi-ventricular model provides important information on the function of the healthy heart...
November 25, 2016: Bio-medical Materials and Engineering
https://www.readbyqxmd.com/read/27866675/hemodynamics-of-patient-specific-aorta-pulmonary-shunt-configurations
#14
Senol Piskin, H Firat Altin, Okan Yildiz, Ihsan Bakir, Kerem Pekkan
Optimal hemodynamics in aorta-pulmonary shunt reconstruction is essential for improved post-operative recovery of the newborn congenital heart disease patient. However, prior to in vivo execution, the prediction of post-operative hemodynamics is extremely challenging due to the interplay of multiple confounding physiological factors. It is hypothesized that the post-operative performance of the surgical shunt can be predicted through computational blood flow simulations that consider patient size, shunt configuration, cardiac output and the complex three-dimensional disease anatomy...
January 4, 2017: Journal of Biomechanics
https://www.readbyqxmd.com/read/27830140/failed-septal-extension-graft-in-a-patient-with-a-history-of-radiotherapy
#15
Il Gyu Kang, Seon Tae Kim, Seok Ho Lee, Min Kwan Baek
BACKGROUND: This report describes the authors' experience of "melting" septal cartilage after placement of a septal extension graft in a nasopharyngeal cancer patient that had been previously undergone radiation therapy, and provides a review of the literature. METHODS: Electronic medical records were used to obtain details of the patient's clinical history. RESULTS: A 32-year-old woman, who had previously undergone radiotherapy for nasopharyngeal cancer, visited our department to for rhinoplasty...
December 2016: Maxillofacial Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/27759423/high-resolution-myocardial-t1-mapping-using-single-shot-inversion-recovery-fast-low-angle-shot-mri-with-radial-undersampling-and-iterative-reconstruction
#16
Xiaoqing Wang, Arun A Joseph, Oleksandr Kalentev, Klaus-Dietmar Merboldt, Dirk Voit, Volkert B Roeloffs, Maaike van Zalk, Jens Frahm
OBJECTIVE: To develop a novel method for rapid myocardial T1 mapping at high spatial resolution. METHODS: The proposed strategy represents a single-shot inversion recovery experiment triggered to early diastole during a brief breath-hold. The measurement combines an adiabatic inversion pulse with a real-time readout by highly undersampled radial FLASH, iterative image reconstruction and T1 fitting with automatic deletion of systolic frames. The method was implemented on a 3-T MRI system using a graphics processing unit-equipped bypass computer for online application...
December 2016: British Journal of Radiology
https://www.readbyqxmd.com/read/27747857/three-dimensional-printing-guided-percutaneous-transcatheter-closure-of-secundum-atrial-septal-defect-with-rim-deficiency-first-in-human-series
#17
Zhongmin Wang, Yuhao Liu, Yu Xu, Chuanyu Gao, Yan Chen, Hongxing Luo
BACKGROUND: This study aimed to prospectively evaluate the use of 3-dimensional printing (3DP) for the percutaneous transcatheter closure of a secundum atrial septal defect (ASD) with rim deficiency less than 5 mm. METHODS: Patients with ASD were scanned using multi-slice computed tomography to acquire raw data for virtual 3DP reconstruction models. Different ASD occluders were tried on the 3DP models to select the optimal size for intraoperative use. The patients were followed up 1 month postoperatively, and 3DP models were again manufactured to observe the operative effects...
2016: Cardiology Journal
https://www.readbyqxmd.com/read/27715359/topical-5-5-fluorouracil-in-the-treatment-of-multifocal-basal-cell-carcinoma-of-the-face-a-novel-chemotherapeutic-approach
#18
Mayuresh P Naik, Anuj Mehta, Sangeeta Abrol, Sandeep Kumar, Vishnu S Gupta
To determine the safety and efficacy of topical 5-fluorouracil (5-FU) 5% ointment in treatment of non-syndromic multifocal basal cell carcinoma. A 55-year-old male patient, with 8 hours of daily sun exposure, having histologically proven and radiologically non-syndromic, multifocal basal cell carcinoma with involvement of 6 sites on the face, was treated with topical 5-FU 5% ointment twice daily over all sites except the site involving lid margin to prevent corneal toxicity. Left lid lesion underwent wide surgical excision with 5-mm clear margins and reconstruction with nasal septal mucoperichondrium and local skin mobilization...
December 2016: Orbit
https://www.readbyqxmd.com/read/27695551/sellar-repair-with-autologous-muscle-and-composite-septal-cartilage-grafts-for-treatment-of-cerebrospinal-fluid-leakage-following-trans-sphenoidal-pituitary-surgery
#19
Ayman A El Shazly, Mohammed A El Wardany, Tamer A Abo El Ezz
CONTEXT: Many reconstructive techniques have been proposed to prevent postoperative cerebrospinal fluid (CSF) leakage after trans-sphenoidal pituitary surgery. However, no total agreement has been reached to the best technique. AIM: Assessment of the efficacy of sellar repair with autologous muscle and composite septal cartilage grafts for treatment of intraoperative and delayed postoperative CSF leakage following trans-sphenoidal pituitary surgery without the use of postoperative external lumbar CSF drain...
October 2016: Asian Journal of Neurosurgery
https://www.readbyqxmd.com/read/27692955/outcome-of-aortic-arch-reconstruction-in-infants-with-coarctation-importance-of-operative-approach
#20
Andreas Tulzer, Rudolf Mair, Michaela Kreuzer, Gerald Tulzer
OBJECTIVES: Coarctation with hypoplastic aortic arch can be treated with resection and extended end-to-end anastomosis (REEEA) as well as end-to-side anastomosis (ESA). The aim of the study was to review our experience with these techniques in newborns and infants and to assess mid-term outcome with regards to morbidity, mortality, and reintervention rate in relation to operative access and technique. PATIENTS AND METHODS: Retrospective review of hospital charts and surgical reports from 183 consecutive newborns and infants with coarctation and hypoplastic aortic arch with or without ventricular septal defect between 1996 and 2013...
August 31, 2016: Journal of Thoracic and Cardiovascular Surgery
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