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graft jacket

Yuki Tanaka, Kei Watanabe, Keiichi Katsumi, Masayuki Ohashi, Keisuke Nagasaki, Toru Hirano
CASE: We present a case of brachytelephalangic chondrodysplasia punctata with a severe atlantoaxial dislocation in an underdeveloped child. The patient underwent halo jacket application using 10 halo pins with <1 lb/in of torque, followed by posterior occipitocervical fusion with onlay rib and iliac autografts. After bone grafts and replacement of the halo ring multiple times, successful osseous fusion had been achieved by the 2-year follow-up. CONCLUSION: Although simple bone-grafting with a halo jacket is useful in underdeveloped patients with skeletal dysplasia, the complications related to halo fixation, including cranial bone perforation, and the patient's neurological status must be carefully monitored...
January 2017: JBJS Case Connector
Hiroki Oba, Jun Takahashi, Kyoko Takano, Yuji Inaba, Mitsuo Motobayashi, Gen Nishimura, Shugo Kuraishi, Masayuki Shimizu, Shota Ikegami, Toshimasa Futatsugi, Masashi Uehara, Tomoki Kosho, Hiroyuki Kato, Koki Uno
STUDY DESIGN: Case report. OBJECTIVE: We report here on an 18-month-old boy with brachytelephalangic chondrodysplasia punctata (BCDP), whose atlantoaxial instability was successfully managed with occipitocervical instrumented fusion (OCF) using screw and rod instrumentations. SUMMARY OF BACKGROUND DATA: Recently, there have been a number of reports on BCDP with early onset of cervical myelopathy. Surgical OCF is a vital intervention to salvage affected individuals from the life-threatening morbidity...
December 1, 2017: Spine
J Leuzinger, C Sternberg, D Smolen, R Jakob
Background: Massive rotator cuff tendon tears have a poor clinical prognosis. This holds especially true in older patients and after revision surgery. In order to reduce tears and increase long term shoulder parameters, patches made of a variety of materials have been applied to reinforce sutures in current orthopaedic practice. Material and Methods: In a clinical study on rotator cuff surgery from 2005 to 2011 (date of surgical intervention), we tested the efficacy of three different commercial patches, with 89 patients (63 m/26 w) enrolled with a mean age of over 60...
October 2016: Zeitschrift Für Orthopädie und Unfallchirurgie
Bavana V Rangan, Anna Kotsia, George Christopoulos, James Spratt, Stephane Rinfret, Subhash Banerjee, Emmanouil S Brilakis
The "hybrid" approach to chronic total occlusion (CTO) percutaneous coronary intervention (PCI) was developed to provide guidance on optimal crossing strategy selection. Dual angiography remains the cornerstone of clinical decision making in CTO PCI. Four angiographic parameters are assessed: (a) morphology of the proximal cap (clear-cut or ambiguous); (b) occlusion length; (c) distal vessel size and presence of bifurcations beyond the distal cap; and (d) location and suitability of location and suitability of a retrograde conduit (collateral channels or bypass grafts) for retrograde access...
September 9, 2015: Current Cardiology Reviews
Nikolaos Bounakis, Christos Karampalis, Hilary Sharp, Athanasios I Tsirikos
INTRODUCTION: Rubinstein-Taybi syndrome is an autosomal dominant disorder resulting in congenital craniofacial deformities, and divided into types 1 and 2. Scoliosis has not been reported as one of the extra-cranial manifestations of Rubinstein-Taybi syndrome type 2. CASE PRESENTATION: We present a 14-year-old British Caucasian girl with Rubinstein-Taybi type 2 syndrome who developed a severe double thoracic scoliosis measuring 39° and 68° respectively. Her scoliosis was associated with thoracic hypokyphosis, causing a marked reduction in the anteroposterior diameter of her chest and consequent severe restrictive lung disease...
2015: Journal of Medical Case Reports
N Pakkasjärvi, M Mattila, V Remes, I Helenius
BACKGROUND: Skeletal dysplasias have been associated with upper cervical instability. Many patients are initially asymptomatic, but the instability may progress to subluxation and dislocation and complications thereof, including death. Surgery is hampered by petite osseous structures and low bone formation rate. AIM: To review the outcomes of surgical fusion of upper cervical instability in children with rare skeletal dysplasias. MATERIAL AND METHODS: A retrospective study of eight children with five different rare skeletal dysplasias needing upper cervical instrumented stabilization...
2013: Scandinavian Journal of Surgery: SJS
Radosław Zwoliński, Stanisław Ostrowski, Andrzej Banyś, Arkadiusz Ammer, Ryszard Jaszewski
Since the advent of percutaneous coronary intervention there have been increasing numbers of patients with so-called 'full metal jacket' coronary arteries disease. This is creating a challenging problem for the cardiac surgeon. A 73 year-old woman after the implantation of two metal stents to the left anterior descending artery (LAD) and four to the right coronary artery (RCA), with ejection fraction of 28%, significant mitral and tricuspid insufficiency, and high systolic pulmonary pressure, was admitted to our department with unstable angina and with symptoms of pulmonary oedema...
2013: Kardiologia Polska
Tobias K H Müller, Ping Cao, Stephanie Ewert, Jonas Wohlgemuth, Haiyang Liu, Thomas C Willett, Eirini Theodosiou, Owen R T Thomas, Matthias Franzreb
An integrated approach to temperature-controlled chromatography, involving copolymer modified agarose adsorbents and a novel travelling cooling zone reactor (TCZR) arrangement, is described. Sepharose CL6B was transformed into a thermoresponsive cation exchange adsorbent (thermoCEX) in four synthetic steps: (i) epichlorohydrin activation; (ii) amine capping; (iii) 4,4'-azobis(4-cyanovaleric acid) immobilization; and 'graft from' polymerization of poly(N-isopropylacrylamide-co-N-tert-butylacrylamide-co-acrylic acid-co-N,N'-methylenebisacrylamide)...
April 12, 2013: Journal of Chromatography. A
Hyun Soo Kim, Weon Kim
No abstract text is available yet for this article.
January 2013: Korean Circulation Journal
María J Mataró, Gemma Sánchez-Espín, Carlos Porras, José M Melero, Eduardo Olalla, Miguel Such
No abstract text is available yet for this article.
February 2013: Annals of Thoracic Surgery
Vincenzo Giordano, Jan G Grandjean
Nowadays the introduction of intracoronary stents into clinical practice has totally changed the approach to the treatment of diffuse and obstructive coronary artery disease. Although optimal antiaggregant therapy has ensured a low incidence of subacute stent thrombosis, recurrent restenosis remains the major limitation of these intracoronary devices. In such circumstances, surgery may represent the only choice for definitive treatment of recurrent ischemic heart disease. We report an uncommon and challenging way to achieve a complete off-pump coronary revascularization of a seriously diseased, 'full metal jacket' left anterior descending artery (LAD), combining three different techniques at the same time: stent removal, endarterectomy and coronary artery bypass graft (CABG)...
November 2012: Journal of Cardiovascular Medicine
Biyyam M Rao, Tamer T Kamal, John Vafaye, Lee Taylor
PURPOSE: Avulsion of the abductors from the hip can be an infrequent but debilitating complication after total hip arthroplasty performed through a trans-gluteal approach. This can result in intractable pain, limp, Trendelenberg lurch and instability of the hip. There have been various methods described for repairing or reconstruction of this abductor muscle complex including direct trans-osseous repair, muscle transfers, muscle and tendon sling, bone tendon allograft reconstruction and endoscopic repair techniques...
October 2012: International Orthopaedics
Xiuwu Han, Bao Zhang, Wei Yan, Zhiwei Zhao, Qiang Gao, Yuhai Zhang
OBJECTIVES: To laparoscopically compare the effectiveness of 2 cooling devices for renal hypothermia and investigate the feasibility of laparoscopic orthotopic kidney transplant using a pig model. MATERIALS AND METHODS: Eight pigs were divided into 2 groups of 4 animals each. Laparoscopic nephrectomy and autotransplant were performed first on only the right kidney. One week later, these procedures were performed on the left kidney, while the first transplanted autograft was removed...
December 2012: Experimental and Clinical Transplantation
Oke A Anakwenze, G Russell Huffman
The treatment of recurrent shoulder instability in the presence of large bony defects of the glenoid and/or the humeral head is evolving. The young patient with significant glenohumeral arthrosis presents unique challenges in terms of management. In the presence of large glenohumeral bony defects, several authors have reported poor outcomes with attempted soft tissue stabilization only. Therefore, some type of bony reconstruction is generally recommended. Glenohumeral arthrosis is a known complication of recurrent shoulder dislocation...
February 2011: Orthopedics
P C Corcoran, K A Horvath, A K Singh, R F Hoyt, M L Thomas, M A Eckhaus, M M Mohiuddin
A modified immunosuppressive regimen, developed at the National Institutes of Health, has been employed in a large animal model of heterotopic cardiac xenotransplantation. Graft survival has been prolonged, but despite this, our recipients have succumbed to various surgical or nonsurgical complications. Herein, we have described different complications and management strategies. The most common complication was hypercoagulability (HC) after transplantation, causing thrombosis of both small and large vasculature, ultimately leading to graft loss...
July 2010: Transplantation Proceedings
Carlo Ferro, Umberto G Rossi, Sara Seitun, Lorenzo Patrone, Luigi Martinelli
We report a patient affected by complicated retrograde type A aortic dissection (DeBakey type I) with false lumen rupture and acute right lower limb ischemia treated with fenestration at the aortic bifurcation followed by a hybrid approach, consisting of an elephant trunk procedure and the placement of endoluminal stent graft for the treatment of descending thoracic aorta dissection. In our patient, in spite of the closure of the primary entry site, false lumen failed to remodel in the abdominal aorta, therefore the positioning of the bare stents and aortobisiliac endoprosthesis of the abdominal aorta were performed...
January 2010: Annals of Thoracic Surgery
Alberto Hendler, Saar Minha, And Ricardo Krakover
We report a critically ill-patient admitted for NSTEMI with acute pulmonary congestion, showing at urgent cardiac catheterization a severely diseased saphenous vein graft as the culprit vessel, with huge atherothrombotic burden. The graft was successfully revascularized by the implantation of 4 M-Guard stent (for proximal to distal) creating a full metal jacket. The M-Guard technology consists on a stainless steel platform wrapped by a micron-level polymer net, that seamlessly expands when the stent is deployed, providing protection from embolic showers...
May 1, 2010: Catheterization and Cardiovascular Interventions
Andrew S P Sharp, Azeem Latib, Alfonso Ielasi, Claudio Larosa, Cosmo Godino, Marta Saolini, Valeria Magni, Robert T Gerber, Matteo Montorfano, Mauro Carlino, Iassen Michev, Alaide Chieffo, Antonio Colombo
BACKGROUND: Limited long-term data exist on patients who have undergone drug-eluting stenting of very long lesions (requiring >or=60 mm of continuous stent) in native coronary arteries ("full-metal jacket"). METHODS AND RESULTS: We examined consecutive procedures taking place between March 2002 and 2007 at 2 high-volume centers in Milan, Italy. Exclusion criteria were percutaneous coronary intervention for restenosis, percutaneous coronary intervention to a bypass graft, or percutaneous coronary intervention for acute ST-elevation myocardial infarction (MI)...
October 2009: Circulation. Cardiovascular Interventions
Derek B Fox, James L Cook, Keiichi Kuroki, Mary Cockrell
Synoviocytes have been speculated to play potential reparative and remodeling roles in vascular meniscal injuries. In addition, synoviocytes may mediate the transformation of intraarticularly placed collagen-based scaffolds into fibrocartilage through exposure to dynamic compressive loads. The objectives of this study were to assess the feasibility of using fibroblast-like synoviocytes (FLS) to engineer meniscal-like fibrocartilage and to better understand the mechanosensitivity of FLS by seeding them onto collagen scaffolds exposed to dynamic compressive loads...
June 2006: Tissue Engineering
W Anthony Lee, Peter R Nelson
The W. L. Gore Excluder bifurcated device uses a single-action deployment mechanism with an expanded polytetrafluoroethylene string that is stitched to an outer jacket constraining the nitinol self-expanding stent-graft. Under certain anatomic conditions of the proximal neck, the deployment angle of the proximal stent-graft can be difficult to predict and result in the device being seated caudal to the intended landing site just below the lowermost renal artery. This article describes a technique of controlled deployment of the Excluder device where the top of the main bifurcated device is "flowered" by slowly pulling the deployment string while being buttressed by an introducer sheath to prevent premature deployment and allow longitudinal positioning of the device...
May 2006: Journal of Vascular Surgery
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