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https://www.readbyqxmd.com/read/28930925/conical-modification-of-forearm-free-flaps-for-single-stage-reconstruction-after-total-orbital-exenteration
#1
Chad A Purnell, Elbert E Vaca, Marco F Ellis
BACKGROUND: Orbital exenteration is a significant reconstructive challenge for plastic surgeons. Options described for these defects range from healing by secondary intention to free tissue transfer. The authors present our preferred reconstruction of orbital defects with free forearm-based flaps, which provides quality soft tissue and orbital contouring in 1 stage to consistently allow placement of bone-anchored implants for eventual orbital prosthesis. METHODS: This conical shape of the orbit is deconstructed into a "Pac-Man" type shaped flap that leaves adequate depth for a prosthesis...
September 19, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28926380/osseointegrated-transtibial-implants-in-patients-with-peripheral-vascular-disease-a-multicenter-case-series-of-5-patients-with-1-year-follow-up
#2
MULTICENTER STUDY
Robin Atallah, Jiao Jiao Li, William Lu, Ruud Leijendekkers, Jan Paul Frölke, Munjed Al Muderis
BACKGROUND: Osseointegration is an alternative treatment for amputees who are unable to wear or have difficulty wearing a socket prosthesis. Although the majority of limb amputations are due to vascular disease, such amputations have been perceived as a contraindication to osseointegration surgery. We report the outcomes of osseointegrated reconstruction in a series of 5 patients with limb amputation due to peripheral vascular disease. METHODS: Five patients with transtibial amputation and a history of peripheral vascular disease who received an osseointegration implant from 2014 to 2015 were followed for 12 months...
September 20, 2017: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/28923785/transcatheter-mitral-valve-replacement-of-navigate-bioprosthesis-in-a-preclinical-model
#3
Haytham Elgharably, Jose L Navia, Cristian Baeza, Gabriel Maluenda, Samir Kapadia, Jerzy Sadowski, Krzysztof Bartuś, Cesare Beghi, Kalathi Thyagarajan, Ryan Bertwell, Rodolfo C Quijano
AIMS: To test the feasibility of trans-catheter mitral valve implantation of the NaviGate device in acute and chronic preclinical models. METHODS AND RESULTS: We evaluated the NaviGate valved stent implantation in the mitral position in an acute swine model (n=24, ≤ 5 days) through three different approaches: trans-atrial, trans-apical, and trans-septal, and in a chronic swine model (n=12, >10 days) through a trans-atrial approach. The NaviGate implantation procedures were successful in 83% of the acute model studies (n=20) and 83% of the chronic model studies (n=10)...
September 19, 2017: EuroIntervention
https://www.readbyqxmd.com/read/28922244/fibular-graft-effective-panorama-for-prosthetic-rehabilitation-of-resected-mandible
#4
Pankaj Kharade, Saidul Islam, Mahesh Verma, Swati Sharma, Ranjeet Bodh
Surgical management of extensive tumors in the mandibular region leads to massive disfigurement of the face. Also the prosthetic outcome of such patients rehabilitated with free soft tissue flaps is very poor. Reconstruction of extensive defects to overcome the disfigurement is a challenging procedure and can be achieved with free fibula flap. Free fibula graft provides sufficient length of bone for the reconstruction of the postsurgical defects. Excellent vascularity of fibula flap allows for easy uptake of the graft and osseointegration of the dental implants...
September 15, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28894057/-successful-treatment-of-ascending-aortic-graft-infection-with-a-rifampicin-soaked-vascular-prosthesis-and-continuous-irrigation
#5
Koji Hashizume, Shinichiro Taniguchi, Ichiro Matsumaru, Shun Nakaji, Mizuki Sumi, Kiyoyuki Eishi
A 68-year-old woman underwent replacement of the ascending aorta for acute type A aortic dissection. She was then diagnosed with postoperative methicillin-resistant Staphylococcus aureus (MRSA) infection, and the infected aortic graft was replaced with a rifampicin-soaked vascular prosthesis, which was followed by continuous irrigation using a 0.1% povidone-iodine solution. The postoperative course was uneventful, and she has been doing well for 5 years with no recurrence of infection. Prosthetic graft replacement using a rifampicin-soaked graft followed by continuous irrigation with povidone-iodine is useful for treatment of an MRSA-infected prosthetic vascular graft...
September 2017: Kyobu Geka. the Japanese Journal of Thoracic Surgery
https://www.readbyqxmd.com/read/28893704/late-complication-after-thoracic-endovascular-aortic-repair-what-is-a-role-of-an-open-surgical-conversion
#6
Lazar Davidovic, Milos Sladojevic, Igor Koncar, Miroslav Markovic, Tulga Ulus, Nikola Ilic, Marko Dragas, Vladimir Cvetic, Zoran Rancic
BACKGROUND: We would like to evaluate causes of Thoracic Endovascular Aortic Repair (TEVAR) failure and conversion to open surgery (COS) in high volume vascular center for open surgery, with low volume TEVAR procedures. METHODS: A total of 8 patients (6 males, mean aged 55.14 years) underwent COS after TEVAR. The indications for conversion to open surgery, intraoperative strategy, as well as early postoperative and mid follow-up results were analyzed. RESULTS: The indications for COS were persistent proximal type I endoleak with progressive aneurysm enlargement in two patients, endoleak type III in one patient, progressive aneurysm enlargement with no endoleak in one patient, stent graft migration in two patients, secondary aorto-esophageal fistula in one patient, secondary aorto-esophageal and aorto-bronchial fistula in one patient, as well as distal progression of the aneurysmal disease in 2 patient...
September 8, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28870875/which-is-the-best-anti-aggregant-or-anti-coagulant-therapy-after-tavi-a-propensity-matched-analysis-from-the-iter-registry-the-management-of-dapt-after-tavi
#7
Fabrizio D'Ascenzo, Umberto Benedetto, Matteo Bianco, Federico Conrotto, Claudio Moretti, Augusto D'Onofrio, Marco Agrifoglio, Antonio Colombo, Flavio Ribichini, Giuseppe Tarantini, Maurizio D'Amico, Stefano Salizzoni, Fiorenzo Gaita
AIMS: Safety and efficacy of single vs. dual antiplatelet therapy (DAPT) in patients undergoing TAVI remain to be addressed. METHODS AND RESULTS: All consecutive patients enrolled in the ITER registry were included. Patients undergoing TAVI discharged with aspirin alone were compared to those assuming DAPT before and after selection with propensity score with matching. Subgroup analysis was performed for those on OAT. Prosthetic heart valve dysfunction at follow-up was the primary end point whereas all cause death, cardiovascular death, bleedings, vascular complications and cerebrovascular accidents were the secondary ones...
September 5, 2017: EuroIntervention
https://www.readbyqxmd.com/read/28869754/the-irisin-hormone-profile-and-expression-in-human-bone-tissue-in-the-bone-healing-process-in-patients
#8
Sancar Serbest, Uğur Tiftikçi, Hacı Bayram Tosun, Üçler Kısa
BACKGROUND Whether or not there is a relationship between the newly-discovered irisin hormone and bone healing is not yet known. The aim of this study was to investigate what effect irisin hormone has on the bone healing process. MATERIAL AND METHODS The study included 21 adult patients with a diagnosed fracture of the lower extremity (femur or tibia). Informed consent was obtained from all the patients. A total of four venous blood samples were taken from the patients: before fracture stabilization, then postoperatively on days 1, 10, and 60...
September 4, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28866187/interconnected-porosity-analysis-by-3d-x-ray-microtomography-and-mechanical-behavior-of-biomimetic-organic-inorganic-composite-materials
#9
S Alonso-Sierra, R Velázquez-Castillo, B Millán-Malo, R Nava, L Bucio, A Manzano-Ramírez, H Cid-Luna, E M Rivera-Muñoz
Hydroxyapatite-based materials have been used for dental and biomedical applications. They are commonly studied due to their favorable response presented when used for replacement of bone tissue. Those materials should be porous enough to allow cell penetration, internal tissue growth, vascular incursion and nutrient supply. Furthermore, their morphology should be designed to guide the growth of new bone tissue in anatomically applicable ways. In this work, the mechanical performance and 3D X-ray microtomography (X-ray μCT) study of a biomimetic, organic-inorganic composite material, based on hydroxyapatite, with physicochemical, structural, morphological and mechanical properties very similar to those of natural bone tissue is reported...
November 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28760396/transcatheter-aortic-valve-replacement-with-new-generation-devices-a-systematic-review-and-meta-analysis
#10
Marco Barbanti, Sergio Buccheri, Josep Rodés-Cabau, Simona Gulino, Philippe Généreux, Gerlando Pilato, Danny Dvir, Andrea Picci, Giuliano Costa, Corrado Tamburino, Martin B Leon, John G Webb
OBJECTIVE: The aim of this study was to conduct a weighted meta-analysis to determine the rates of acute (≤30days) major outcomes after (TAVR) with second-generation devices. METHODS: A comprehensive search of multiple electronic databases from January 2011 to May 2017 was conducted using predefined criteria. New-generation TAVR devices were defined as any device which received CE mark approval or is still under evaluation for CE marking after CoreValve and SAPIEN XT prostheses...
July 25, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28756563/the-zygomatic-implant-perforated-zip-flap-a-new-technique-for-combined-surgical-reconstruction-and-rapid-fixed-dental-rehabilitation-following-low-level-maxillectomy
#11
C J Butterworth, S N Rogers
This aim of this report is to describe the development and evolution of a new surgical technique for the immediate surgical reconstruction and rapid post-operative prosthodontic rehabilitation with a fixed dental prosthesis following low-level maxillectomy for malignant disease.The technique involves the use of a zygomatic oncology implant perforated micro-vascular soft tissue flap (ZIP flap) for the primary management of maxillary malignancy with surgical closure of the resultant maxillary defect and the installation of osseointegrated support for a zygomatic implant-supported maxillary fixed dental prosthesis...
December 2017: International Journal of Implant Dentistry
https://www.readbyqxmd.com/read/28740836/mycotic-aneurysm-with-aortoduodenal-fistula
#12
REVIEW
Bruno Kusznir Vitturi, Amanda Frias, Raphael Sementilli, Marcelo de Castro Jorge Racy, Roberto Augusto Caffaro, Geanete Pozzan
Firstly described in the 19th century by Sir William Osler, the mycotic aneurysm (MA) is a rare entity characterized by an abnormal arterial dilation, which is potentially fatal, and is associated with the infection of the vascular wall. Elderly patients are mostly involved, especially when risk factors like chronic diseases, immunosuppression, neoplasia, and arterial manipulation are associated. The authors report the case of a young male patient diagnosed with an aortic aneurysm of infectious origin in the presence of repeated negative blood cultures...
April 2017: Autopsy & case reports
https://www.readbyqxmd.com/read/28735332/the-usefulness-of-biosynthetic-vascular-graft-omniflow-ii-and-autologous-veins-for-the-treatment-of-massive-infection-of-dacron-vascular-graft-with-enterococcus-faecalis-hlar
#13
Witold Woźniak, Robert Bajno, Michał Świder, Piotr Ciostek
Infections of vascular grafts are the most severe complications in vascular surgery. We present the case of a 73-year-old male with infection of a dacron prosthesis with a strain of Enterococcus faecalis. The patient was treated with replacement of a full prosthesis with a combined graft constructed from Biosynthetic Vascular graft Omniflow and autologous veins. This graft is recommended for implantation in patients with a higher risk of infection. Our case is one of the first reported usage of this kind of graft in the aortic region and in a 2 years observation period no recurrence of infection was observed...
January 2, 2017: Polish Journal of Microbiology
https://www.readbyqxmd.com/read/28704745/giant-iatrogenic-pseudoaneurysm-of-the-brachial-artery-a-case-report
#14
Tulio Leite, Márcio Pires, Lucas Pires, Carlos Chagas, Antonio Claudio Oliveira
INTRODUCTION: Pseudoaneurysms are a pulsatile hematoma caused by hemorrhage on soft tissues. It is an uncommon condition with many different etiologies. We report a case of a giant pseudoaneurysm caused by iatrogenic injury on the brachial artery. PRESENTATION OF CASE: A 42 year-old male was submitted to our Vascular Surgery service with an enlargement of the right upper limb and a history of myocardial infarction. 60days before the patient reached our service, he was submitted to a cardiac catheterization performed by another medical team, since the catheter was placed on the right brachial artery near the cubital fossa, we suspected an iatrogenic pseudoaneurysm, which was confirmed by his clinical history and physical exam...
2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28704265/limits-of-stability-in-patients-with-vascular-due-to-diabetes-and-nonvascular-unilateral-transtibial-amputation-a-cross-sectional-study
#15
Francisco Molina-Rueda, Alberto Molero-Sánchez, María Carratalá-Tejada, Alicia Cuesta-Gómez, Juan C Miangolarra-Page, Isabel M Alguacil-Diego
The aim of the study was to investigate the differences in the stability limits between patients with vascular and nonvascular unilateral transtibial amputation (UTA) and patients without amputation. Eighteen patients with UTA who used a prosthesis were divided into two groups: vascular (n=9) and nonvascular (n=9). Twenty-four patients without amputation served as the control group. Computerized dynamic posturography Smart EquiTest System, version 8.0 was used for measuring stability limits. The limits of stability test was used to assess the participants' ability to voluntarily sway to various locations in space...
July 12, 2017: International Journal of Rehabilitation Research. Revue Internationale de Recherches de Réadaptation
https://www.readbyqxmd.com/read/28702398/late-screw-perforation-of-external-iliac-artery-following-acetabular-revision-a-simple-solution-for-a-rare-complication
#16
André Sá Rodrigues, Joana Freitas, Isabel Pinto, Sérgio Sampaio, Rui Pinto
Vascular lesions, although quite rare, are one of the most devastating complications in the context of a hip prosthesis. Therefore, the correct diagnosis is crucial to prevent irreversible damage to the patient. The authors present the case of a 70-year-old Caucasian woman with an ischemic lower limb as consequence of a late perforation of external iliac artery due to an acetabular screw. The issue was resolved by simply cutting part of the screw, avoiding other surgical options that would be much more aggressive for the patient...
May 2017: Revista Brasileira de Ortopedia
https://www.readbyqxmd.com/read/28670132/cost-utility-analysis-comparing-laparoscopic-vs-open-aortobifemoral-bypass-surgery
#17
RANDOMIZED CONTROLLED TRIAL
Anne Helene Krog, Mehdi Sahba, Erik M Pettersen, Torbjørn Wisløff, Jon O Sundhagen, Syed Sh Kazmi
OBJECTIVES: Laparoscopic aortobifemoral bypass has become an established treatment option for symptomatic aortoiliac obstructive disease at dedicated centers. Minimally invasive surgical techniques like laparoscopic surgery have often been shown to reduce expenses and increase patients' health-related quality of life. The main objective of our study was to measure quality-adjusted life years (QALYs) and costs after totally laparoscopic and open aortobifemoral bypass. PATIENTS AND METHODS: This was a within trial analysis in a larger ongoing randomized controlled prospective multicenter trial, Norwegian Laparoscopic Aortic Surgery Trial...
2017: Vascular Health and Risk Management
https://www.readbyqxmd.com/read/28648967/glans-necrosis-following-penile-prosthesis-implantation-prevention-and-treatment-suggestions
#18
Steven K Wilson, Cesar Mora-Estaves, Paulo Egydio, David Ralph, Mohamad Habous, Christopher Love, Ahmad Shamsodini, Robert Valenzuela, Faysal A Yafi
OBJECTIVE: To examine possible etiology and treatment outcomes in 21 patients with glans necrosis following penile prosthesis implantation. METHODS: Glans necrosis typically presented with a dusky glans on the first postoperative day following prosthesis implantation. RESULTS: The blood supply to the glans penis consists of the dorsal arteries and the terminal branches of the spongiosal arteries. Using the cohort in our study, we compiled preoperative comorbidities and adjunctive surgical maneuvers that might compromise glans vascularity, leading to glans necrosis...
June 23, 2017: Urology
https://www.readbyqxmd.com/read/28648958/use-of-a-three-dimensional-custom-made-porous-titanium-prosthesis-for-mandibular-body-reconstruction
#19
Q Qassemyar, N Assouly, S Temam, F Kolb
The progress made in recent years in the field of head and neck bone reconstruction is directly related to technological advancements made in computer-aided design and manufacturing (CAD/CAM) and three-dimensional printing in particular. Today these technologies are mainly used in mandibular reconstruction to manufacture aids for harvesting and shaping bone flaps. However problems remain when addressing patients with a contraindication to microsurgery who need extensive bone reconstruction. For these patients who cannot benefit from vascularized bone grafts, surgeons have to find alternative solutions aimed at maintaining best function and aesthetics...
October 2017: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28632147/crossover-iliofemoral-bypass-graft-through-tension-free-abdominal-wall-repair-mesh
#20
Mircea Muresan, Ovidiu Jimborean, Gabriela Jimborean, Radu Neagoe, Serban Bancu, Muresan Simona, Cristian Borz
INTRODUCTION: In vascular surgery the crossover iliofemoral bypass grafting is a well-known surgical technique. In general surgery the repair of an abdominal defect using a Polypropylene mesh is also a standard procedure. A particular technique is defined by the performance of these 2 separate procedures inside a single operation in which the crossover arterial graft is directed from the retroperitoneal space toward the contra-lateral femoral bifurcation through a Polypropylene mesh which closes the musculoaponeurotic layers of the abdominal wall...
June 8, 2017: Annali Italiani di Chirurgia
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