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Surgical ventricular reconstruction

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https://www.readbyqxmd.com/read/29625304/independent-factors-affecting-postoperative-complication-rates-after-custom-made-porous-hydroxyapatite-cranioplasty-a-single-center-review-of-109-cases
#1
Megan Still, Abdoulaye Kane, Alexandre Roux, Marc Zanello, Edouard Dezamis, Eduardo Parraga, Xavier Sauvageon, Jean-François Meder, Johan Pallud
BACKGROUND: Cranioplasties are an important neurosurgical procedure not only for improved cosmesis, but also for improved functional recover after craniectomy with a large cranial defect. The aim of this study was to identify predictive factors of post-cranioplasty complications using custom-made porous hydroxyapatite cranioplasty. METHODS: A retrospective review was conducted of all patients who underwent a reconstructive cranioplasty using custom-made hydroxyapatite at our institution between February 2008 to September 2017...
April 3, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29607143/early-and-mid-term-follow-up-of-patients-receiving-arterial-switch-operation-a-single-center-experience
#2
Yaqiong Xiao, Ping Zhang, Wei Su, Nianguo Dong
Background: The arterial switch operation (ASO) has become the preferred method for surgical correction of transposition of the great arteries (TGA) and Taussig-Bing anomaly. This study was aimed to analysis the early and mid-term results of patients receiving ASO for TGA and Taussig-Bing anomaly in our institute. Methods: A single-institution retrospective study was conducted to assess cardiovascular outcomes after ASO between January 2007 and December 2013. A total of 119 consecutive patients were included in this study...
February 2018: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/29590404/intraoperative-customized-double-patch-device-with-twin-sutures-for-multiple-muscular-septal-defects
#3
Gananjay G Salve, Shreepal A Jain, Bharti Sharma, Manglesh S Nimbalkar, Sandip S Katkade, Jeril Kurien, Nilesh S Bhadane, Bharat V Dalvi, Raman Krishna Kumar, Krishnanaik Shivaprakash
OBJECTIVES: Closure of multiple muscular ventricular septal defects (VSDs) remains a challenge because of anatomical complexity. METHODS: We mapped all the VSDs using en face reconstruction of the right ventricular septal surface through echocardiography and then performed an 'Intraoperative Customized Double-Patch Device' technique to surgically close them in 39 patients (male:female = 25:14). The median age of the patients was 6 months (2 months-10 years), and mean weight was 5...
March 26, 2018: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/29588884/endoscopic-endonasal-approach-for-resection-of-a-pediatric-craniopharyngioma-operative-video-and-technical-nuances
#4
James K Liu, Jean Anderson Eloy
We present a pediatric case of a retrochiasmatic craniopharyngioma in the suprasellar region with third ventricular extension that was resected through a purely endoscopic endonasal approach (EEA) via the transplanum transtuberculum corridor. The patient is a 12-year-old boy who presented with progressive visual loss and panhypopituitarism. The EEA allows direct visualization of the undersurface of the optic chiasm and hypothalamus so that safe and meticulous tumor dissection can be performed to preserve these critical neurovascular structures...
April 2018: Journal of Neurological Surgery. Part B, Skull Base
https://www.readbyqxmd.com/read/29569368/optimal-reconstruction-of-left-ventricular-outflow-tract-obstruction-before-surgical-myectomy-in-a-case-with-hypertrophic-obstructive-cardiomyopathy
#5
Hiroyuki Toh, Shumpei Mori, Shinsuke Shimoyama, Yu Izawa, Shun Yokota, Yuto Shinkura, Ryo Takeshige, Akira Nagasawa, Fumitaka Soga, Hidekazu Tanaka, Toshiro Shinke, Koki Yokawa, Takashi Matsueda, Yutaka Okita, Ken-Ichi Hirata
We present optimally reconstructed three-dimensional computed tomography images of left ventricular outflow obstruction, comprehensive left ventriculography, and comparable intraoperative transesophageal echocardiography, as well as serial operative pictures, to facilitate the understanding of live-heart anatomy of hypertrophic obstructive cardiomyopathy. As shown in this case, detailed morphological analysis around the left ventricular outflow tract using preoperative computed tomography would be feasible and useful...
March 22, 2018: Echocardiography
https://www.readbyqxmd.com/read/29568688/a-low-cost-multimodal-head-mounted-display-system-for-neuroendoscopic-surgery
#6
Xinghua Xu, Yi Zheng, Shujing Yao, Guochen Sun, Bainan Xu, Xiaolei Chen
Background: With rapid advances in technology, wearable devices as head-mounted display (HMD) have been adopted for various uses in medical science, ranging from simply aiding in fitness to assisting surgery. We aimed to investigate the feasibility and practicability of a low-cost multimodal HMD system in neuroendoscopic surgery. Methods: A multimodal HMD system, mainly consisted of a HMD with two built-in displays, an action camera, and a laptop computer displaying reconstructed medical images, was developed to assist neuroendoscopic surgery...
January 2018: Brain and Behavior
https://www.readbyqxmd.com/read/29544416/anesthetic-management-during-surgery-for-tetralogy-of-fallot-with-pulmonary-atresia-and-major-aortopulmonary-collateral-arteries
#7
Zoel A Quinonez, Laura Downey, Rania K Abbasi, Calvin Kuan, Ritu Asija, Doff B McElhinney, Frank L Hanley, Richard D Mainwaring, Lisa Wise-Faberowski
Tetralogy of Fallot with pulmonary atresia and major aortopulmonary collaterals (TOF/PA/MAPCAs) is a heterogeneous disease with varying degrees of severity, requiring complex anesthetic management. Our institution has adopted the approach of early complete repair with incorporation of all lung segments, extensive lobar and branch segmental pulmonary artery reconstruction, and ventricular septal defect closure. While the surgical management of TOF/PA/MAPCAs has been extensively described and varies depending on the institution, there is a paucity of literature on the anesthetic management for such procedures...
March 2018: World Journal for Pediatric & Congenital Heart Surgery
https://www.readbyqxmd.com/read/29535228/subannular-reconstruction-in-secondary-mitral-regurgitation-a-meta-analysis
#8
Eva Karolina Harmel, Hermann Reichenspurner, Evaldas Girdauskas
OBJECTIVE: Mitral valve repair using an undersized complete annuloplasty ring in secondary mitral regurgitation with restricted leaflet motion during systole (Carpentier's surgical classification of mitral valve pathology: type IIIb) only inadequately addresses the underlying left ventricular disease. This may lead to an ongoing ventricular remodelling and progressive papillary muscle displacement with increasing leaflet tethering. Several subannular techniques have been proposed to counteract the reoccurrence of mitral regurgitation after mitral valve repair...
March 13, 2018: Heart: Official Journal of the British Cardiac Society
https://www.readbyqxmd.com/read/29534417/-end-to-side-anastomosis-for-interrupted-aortic-arch-in-neonates-and-infants
#9
M H Zou, L Ma, Y S Xia, S C Yang, W D Chen, F Cao, X X Chen
Objective: To review the early and mid-term results of end-to-side anastomosis technique for interrupted aortic arch in neonates and infants. Methods: Clinic data of 46 patients were diagnosed as interrupted aortic arch in Department of Cardiac Surgery, Guangzhou Women and Children's Medical Center between January 2010 and December 2016 were analyzed retrospectively. Twenty-six cases were neonates. The median age underwent surgery was 23 days (range: 2 days to 8 years). Anatomical subtypes included 36 cases of type A and 10 cases of type B...
March 1, 2018: Zhonghua Wai Ke za Zhi [Chinese Journal of Surgery]
https://www.readbyqxmd.com/read/29525068/longitudinal-profile-of-nt-probnp-levels-in-ischemic-heart-failure-patients-undergoing-surgical-ventricular-reconstruction-the-biomarker-plus-study
#10
Serenella Castelvecchio, Ekatherina Baryshnikova, Ileana L Pina, Federico Ambrogi, Valentina Milani, Roberto Tramarin, Elena Costa, Lorenzo Menicanti
BACKGROUND: Plasma concentrations of natriuretic peptides have been shown to predict prognosis in heart failure (HF) patients with left ventricle (LV) dysfunction. It is still unclear if measurements after cardiac surgery are associated with any effect on the outcome. We aimed to prospectively investigate the longitudinal profile of serial evaluations of N-terminal pro-B-type natriuretic peptide (NT-proBNP) levels in ischemic HF patients undergoing Surgical Ventricular Reconstruction (SVR) and how NT-proBNP levels at different time-points are associated with the outcome...
February 26, 2018: International Journal of Cardiology
https://www.readbyqxmd.com/read/29520463/22q11-2-deletion-status-and-perioperative-outcomes-for-tetralogy-of-fallot-with-pulmonary-atresia-and-multiple-aortopulmonary-collateral-vessels
#11
Laura Mercer-Rosa, Okan U Elci, Nelangi M Pinto, Ronn E Tanel, Elizabeth Goldmuntz
Deletion of 22q11.2 (del22q11) is associated with adverse outcomes in patients with tetralogy of Fallot (TOF). We sought to investigate its contribution to perioperative outcome in patients with a severe form of TOF characterized by pulmonary atresia (PA) or severe pulmonary stenosis (PS) and major aortopulmonary collateral arteries (MAPCAS). We conducted a retrospective review of patients with TOF/MAPCAS who underwent staged surgical reconstruction between 1995 and 2006. Groups were compared according to 22q11...
March 8, 2018: Pediatric Cardiology
https://www.readbyqxmd.com/read/29492392/overview-of-adult-congenital-heart-transplants
#12
Roosevelt Bryant, David Morales
Transplantation for adult patients with congenital heart disease (ACHD) is a growing clinical endeavor in the transplant community. Understanding the results and defining potential high-risk patient subsets will allow optimization of patient outcomes. This review summarizes the scope of ACHD transplantation, the mechanisms of late ventricular dysfunction, the ACHD population at risk of developing heart failure, the indications and potential contraindications for transplant, surgical considerations, and post-transplant outcomes...
January 2018: Annals of Cardiothoracic Surgery
https://www.readbyqxmd.com/read/29464789/surgical-outcomes-of-mitral-valve-replacement-with-concomitant-mitral-annular-reconstruction
#13
Su Wan Kim, Dong Seop Jeong, Kiick Sung, Wook Sung Kim, Young Tak Lee, Pyo Won Park
BACKGROUND AND AIM OF THE STUDY: We evaluated the early and long-term outcomes of mitral annular reconstruction (MAR) with pericardium during mitral valve replacement (MVR), and analyzed the risk factors associated with post-operative mortality. METHODS: Between May 1997 and April 2013, 78 consecutive patients underwent MVR with MAR. The indications for MAR were treatment for annular infection in native valve endocarditis (n = 23, 29.5%) or prosthetic valve endocarditis (n = 26, 33...
February 2018: Journal of Cardiac Surgery
https://www.readbyqxmd.com/read/29455964/polytetrafluoroethylene-conduits-versus-homografts-for-right-ventricular-outflow-tract-reconstruction-in-infants-and-young-children-an-institutional-experience
#14
Christopher W Mercer, Shawn C West, Mahesh S Sharma, Masahiro Yoshida, Victor O Morell
OBJECTIVE: Our institution uses a valved polytetrafluoroethylene conduit as an alternative to homografts. The objective of this study was to investigate the performance of bicuspid valved polytetrafluoroethylene conduits used for right ventricular outflow tract reconstruction in children aged less than 2 years and to evaluate risk factors for earlier conduit explant. METHODS: We performed an Institutional Review Board-approved retrospective chart review of all patients aged less than 2 years who underwent surgical right ventricular outflow tract reconstruction with a bicuspid valved polytetrafluoroethylene conduit or homograft conduit from July 2004 to December 2014...
January 31, 2018: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/29425527/approaches-to-pulmonary-atresia-with-major-aortopulmonary-collateral-arteries
#15
REVIEW
David J Barron, Phil Botha
Pulmonary atresia with major aortopulmonary collateral arteries (MAPCAs) is one of the most challenging surgical conditions to manage-not only because of the technical complexity of the surgery but also in terms of defining the anatomy of the pulmonary vasculature, the timing of surgery, and decision making on staged vs complete repair. The importance of early definition of pulmonary blood supply is paramount, establishing which areas of the lung are supplied by MAPCAs alone and which have dual supply with the native system (noting that 20% of patients have absent intrapericardial native vessels)...
March 2018: Seminars in Thoracic and Cardiovascular Surgery. Pediatric Cardiac Surgery Annual
https://www.readbyqxmd.com/read/29367212/impact-of-cardiac-progenitor-cells-on-heart-failure-and-survival-in-single-ventricle-congenital-heart-disease
#16
Toshikazu Sano, Daiki Ousaka, Takuya Goto, Shuta Ishigami, Kenta Hirai, Shingo Kasahara, Shinichi Ohtsuki, Shunji Sano, Hidemasa Oh
Rationale: Intracoronary administration of cardiosphere-derived cells (CDCs) in patients with single ventricles resulted in a short-term improvement in cardiac function. Objective: To test the hypothesis that CDC infusion is associated with improved cardiac function and reduced mortality in patients with heart failure. Methods and Results: We evaluated the effectiveness of CDCs using an integrated cohort study in 101 patients with single ventricles, including 41 patients that received CDC infusion and 60 controls treated with staged palliation alone...
January 24, 2018: Circulation Research
https://www.readbyqxmd.com/read/29365077/programmed-electrical-stimulation-guided-encircling-cryoablation-concomitant-to-surgical-ventricular-reconstruction-for-primary-prevention-of-ventricular-arrhythmias
#17
Carine F van Huls van Taxis, Adrianus P Wijnmaalen, Patrick Klein, Olaf M Dekkers, Jerry Braun, Harriette F Verwey, Martin J Schalij, Robert J Klautz, Katja Zeppenfeld
OBJECTIVES: Surgical ventricular reconstruction (SVR) is an effective treatment to improve left ventricular (LV) function in patients with ischaemic heart failure and an LV anterior-apical aneurysm. Ventricular arrhythmia (VA) is an important cause for morbidity and mortality in these patients. Therefore, encircling cryoablation targeting the VA substrate may be required. Programmed electrical stimulation (PES) can identify patients at risk for VA. The objective of this study was to evaluate the incidence and type of VA during long-term follow-up after PES-guided encircling cryoablation concomitant to SVR for primary prevention of VA...
January 22, 2018: European Journal of Cardio-thoracic Surgery
https://www.readbyqxmd.com/read/29352588/pulmonary-reinterventions-after-complete-unifocalization-and-repair-in-infants-and-young-children-with-tetralogy-of-fallot-with-major-aortopulmonary-collaterals
#18
Holly Bauser-Heaton, Alejandro Borquez, Ritu Asija, Lisa Wise-Faberowski, Yulin Zhang, Laura Downey, Stanton B Perry, Andrew Koth, Lynn F Peng, Claudia A Algaze, Frank L Hanley, Doff B McElhinney
BACKGROUND: Our institutional approach to tetralogy of Fallot (TOF) with major aortopulmonary collaterals (MAPCAs) emphasizes unifocalization and augmentation of the reconstructed pulmonary arterial (PA) circulation and complete intracardiac repair in infancy, usually in a single procedure. This approach yields a high rate of complete repair with excellent survival and low right ventricular (RV) pressure. However, little is known about remodeling of the unifocalized and reconstructed pulmonary circulation or about reinterventions on the reconstructed PAs or the RV outflow tract conduit...
April 2018: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/29343297/pulmonary-valve-replacement-after-right-ventricular-outflow-tract-reconstruction-with-homograft-vs-contegra%C3%A2-a-case-control-comparison-of-mortality-and-morbidity
#19
Nicolas Poinot, Jean-Francois Fils, Hélène Demanet, Hugues Dessy, Dominique Biarent, Pierre Wauthy
BACKGROUND: Repair of congenital heart defects involving the right ventricular outflow tract may require the implantation of a right ventricle to pulmonary artery conduit. This conduit is likely to be replaced during childhood. This study compares the operative outcomes of the replacement procedure of Contegra® and homografts in pulmonary position. METHODS: From 1999 to 2016, 82 children underwent 87 right ventricle to pulmonary artery conduit replacements (60 Contegra® and 27 homografts)...
January 17, 2018: Journal of Cardiothoracic Surgery
https://www.readbyqxmd.com/read/29317056/a-potentially-curative-fetal-intervention-for-hypoplastic-left-heart-syndrome
#20
Andrew T Hattam
Hypoplastic left heart syndrome (HLHS) encapsulates a spectrum of complex congenital cardiovascular malformations involving varying degrees of underdevelopment of the left-sided heart structures. However, despite improved survival rates since the introduction of staged surgical reconstruction, treatment options for HLHS remain palliative rather than curative. A major limiting factor in the development of definitive curative therapy for HLHS is an incomplete understanding of its pathogenesis. Currently, the aetiology HLHS is best conceptualised by the 'flow theory' of cardiogenesis, which states that normal cardiac development is reliant on the interrelationship of normal flow patterns of blood through the developing heart, and appropriate growth of the cardiac valves and myocardium...
January 2018: Medical Hypotheses
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