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https://www.readbyqxmd.com/read/28110269/genetic-predictors-of-long-term-graft-function-in-kidney-and-pancreas-transplant-patients
#1
Claire E Duff, Matthew J Simmonds
Kidney and pancreas transplantation have helped transform the lives of people with end-stage renal failure and individuals with type 1 diabetes who have poor glycaemic control/severe secondary complications, respectively. Despite an improvement in immunosuppressive regimes, operative techniques and decreased initial rejection rates, there has been little improvement in long-term graft survival rates over the past decade. Whilst limited progress has been made in establishing clinical markers of graft function, several genetic markers of long-term graft function have been identified...
January 20, 2017: Briefings in Functional Genomics
https://www.readbyqxmd.com/read/28110071/living-nano-micro-fibrous-woven-fabric-hydrogel-composite-scaffolds-for-heart-valve-engineering
#2
Shaohua Wu, Bin Duan, Xiaohong Qin, Jonathan T Butcher
: Regeneration and repair of injured or diseased heart valves remains a clinical challenge. Tissue engineering provides a promising treatment approach to facilitate living heart valve repair and regeneration. Three-dimensional (3D) biomimetic scaffolds that possess heterogeneous and anisotropic features that approximate those of native heart valve tissue are beneficial to the successful in vitro development of tissue engineered heart valves (TEHV). Here we report the development and characterization of a novel composite scaffold consisting of nano- and micro-scale fibrous woven fabrics and 3D hydrogels by using textile techniques combined with bioactive hydrogel formation...
January 18, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28109568/one-or-two-internal-thoracic-grafts-long-term-follow-up-of-957-off-pump-coronary-bypass-surgeries
#3
Dmitry Pevni, Yanai Ben-Gal, Rephael Mohr, Amir Ganiel, Yosef Paz, Amir Kramer, Nahum Nesher
BACKGROUND: The potential survival benefit of bilateral internal thoracic artery (BITA) grafting in patients undergoing off-pump coronary artery bypass graft surgery (OPCABG) is controversial owing to the technical complexity of these operations. Our objective was to compare the outcome of patients undergoing OPCABG with BITA to the outcome of patients undergoing OPCABG with a single internal thoracic artery (SITA) and saphenous vein grafts or radial artery. METHODS: Five hundred and thirty-five consecutive patients who underwent OPCABG BITA at our institute between 2000 and 2008 were compared with 422 patients who underwent OPCABG with SITA...
January 18, 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28109536/biomechanical-properties-of-bovine-tendon-xenografts-treated-with-a-modern-processing-method
#4
Henry B Colaço, Breck R Lord, Diane L Back, Andrew J Davies, Andrew A Amis, Adil Ajuied
Xenograft tendons have been used in few human studies, with variable results. With the advent of novel tissue processing techniques, which may mitigate against an immune-mediated rejection response without adversely affecting mechanical properties, there may now be a clinical role for xenograft tendons, particularly in knee ligament reconstruction. We hypothesize that 'BioCleanse®' processed bovine extensor digitorum medialis (EDM) tendons exhibit favorable time-zero pre-implantation biomechanical characteristics when compared to both unprocessed bovine EDM tendons and BioCleanse® processed human cadaveric allograft tibialis anterior tendons...
January 13, 2017: Journal of Biomechanics
https://www.readbyqxmd.com/read/28109108/-brachiocephalic-artery-sparing-aortic-arch-repair-combined-with-stent-graft-elephant-trunk-technique-for-stanford-type-a-aortic-dissection-analysis-of-23-cases
#5
Song-Lin DU, Jun Wan, Wu-Jun Wang, Kai-Can Cai, Ya-Xiang Liu, Xiang-Hui Mao
OBJECTIVE: To assess the clinical outcomes of brachiocephalic artery-sparing aortic arch repair combined with stent-graft elephant trunk technique for treatment of Stanford type A aortic dissection. METHODS: Twenty-three patients with Stanford type A aortic dissection requiring arch replacement underwent brachiocephalic artery-sparing aortic arch repair combined with stent-graft elephant trunk technique. The operations were performed within 72 h (20 cases) or 3-14 days (3 cases) after the onset of aortic dissection...
January 20, 2017: Nan Fang Yi Ke da Xue Xue Bao, Journal of Southern Medical University
https://www.readbyqxmd.com/read/28107815/upfront-haploidentical-transplant-for-acquired-severe-aplastic-anemia-registry-based-comparison-with-matched-related-transplant
#6
Lan-Ping Xu, Song Jin, Shun-Qing Wang, Ling-Hui Xia, Hai Bai, Su-Jun Gao, Qi-Fa Liu, Jian-Min Wang, Xin Wang, Ming Jiang, Xi Zhang, De-Pei Wu, Xiao-Jun Huang
BACKGROUND: Haploidentical donor (HID) hematopoietic stem cell transplantation (HSCT) is an alternative treatment method for severe aplastic anemia (SAA) patients lacking suitable identical donors and those who are refractory to immunosuppressive therapy (IST). The current study evaluated the feasibility of upfront haploidentical HSCT in SAA patients. METHODS: We conducted a multicenter study based on a registry database. One hundred fifty-eight SAA patients who underwent upfront transplantation between June 2012 and September 2015 were enrolled...
January 21, 2017: Journal of Hematology & Oncology
https://www.readbyqxmd.com/read/28107237/evaluating-a-posterior-approach-for-surgical-treatment-of-thoracolumbar-pseudarthrosis-in-ankylosing-spondylitis
#7
Ting Wang, Dechun Wang, Yanan Cong, Chuqiang Yin, Shuzhong Li, Xiaoliang Chen
STUDY DESIGN: Retrospective study of a posterior approach for surgical treatment of thoracolumbar pseudarthrosis in ankylosing spondylitis (AS). OBJECTIVE: The aim of the current study was to report the surgical results of symptomatic thoracolumbar pseudarthrosis in AS through a posterior approach. SUMMARY OF BACKGROUND DATA: Spinal pseudarthrosis is a well-known complication in AS. The condition may complicate with mechanical back pain, spinal deformity, and sometimes neurological deficits...
February 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28106625/long-term-hearing-results-after-ossiculoplasty
#8
Matthew D Cox, Aaron Trinidade, James Shep Russell, John L Dornhoffer
OBJECTIVES: To determine if the OOPS index is predictive of long-term hearing results after ossiculoplasty. STUDY DESIGN: Case series with retrospective chart review. SETTING: Tertiary care otology practice. PATIENTS: Adult and pediatric patients (3-88 years of age). INTERVENTIONS: Ossiculoplasty with cartilage tympanoplasty, with or without mastoidectomy. OUTCOME MEASURES: Primary outcome measures included short-term hearing results (pure-tone average air-bone gap [PTA-ABG] measured between 60 days and 1 year after surgery), long-term hearing results (PTA-ABG measured ≥5 years after surgery), and the rate of successful ABG closure to ≤20 dB...
January 18, 2017: Otology & Neurotology
https://www.readbyqxmd.com/read/28105901/negative-pressure-wound-therapy-staged-excision-and-definitive-closure-with-split-thickness-skin-graft-for-axillary-hidradenitis-suppurativa-a-retrospective-study
#9
F B Pearce, K A Richardson
OBJECTIVE: Bilateral axillary hidradenitis is a chronic, suppurative, and scarring disease that is most effectively treated by complete excision of all hair-bearing tissues. We assessed our staged procedure for excision and placement of a split-thickness skin graft for bilateral axillary hidradenitis in terms of costs, outcomes, and timing of excision. METHOD: An IRB approved retrospective case analysis was performed on patients that underwent bilateral axillary hidradenitis skin excision with eventual placement of split-thickness skin grafting using the current LSUHSC/University Health hidradenitis surgical treatment protocol...
January 2, 2017: Journal of Wound Care
https://www.readbyqxmd.com/read/28105590/case-report-on-managing-incomplete-bone-formation-after-bilateral-sinus-augmentation-using-a-palatal-approach-and-a-dilating-balloon-technique
#10
Tobias K Boehm
BACKGROUND: Patients with resorbed edentulous alveolar ridges in the posterior maxilla often require lateral window sinus augmentation procedures prior to implant placement. Lateral window sinus augmentation procedures can produce incomplete bone augmentation as consequence of surgical and healing complications producing unusual and complex sinus anatomy. Although incomplete bone formation after sinus augmentation has been described in a previous case reports, this is the first case report that describes grafting these compromised sites prior to implant placement...
December 2017: International Journal of Implant Dentistry
https://www.readbyqxmd.com/read/28105353/isolated-extramedullary-cutaneous-relapse-despite-concomitant-severe-graft-vs-host-disease-and-tissue-chimerism-analysis-in-a-patient-with-acute-lymphoblastic-leukemia-after-allogeneic-hematopoietic-stem-cell-transplantation-a-case-report
#11
Bulent Kantarcioglu, Huseyin Saffet Bekoz, Yeliz Duvarci Ogret, Asli Cakir, Demet Kivanc, Fatma Savran Oguz, Deniz Sargin
Allogeneic hematopoietic stem cell transplantation (allo-HSCT) is a potentially curative treatment option for patients with acute lymphoblastic leukemia (ALL). The curative potential of allo-HSCT for ALL is, in part, due to the graft-vs.-leukemia (GVL) effect, in addition to the intensive conditioning chemo-radiotherapy. However, relapse remains the major cause of treatment failure following allo-HSCT for ALL. In the allo-HSCT setting, testing for genetic markers of hematopoietic chimerism has become a part of the routine diagnostic program...
December 2016: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/28104941/dacron-graft-aneurysm-with-dissection
#12
Asik Ali Mohamed Ali, Praveen Sharma, Rujuta N Rege, Saveetha Rajesh, Kulasekaran Nadhamuni
Dacron grafts have been used as a conduit for large caliber arteries for many years successfully. However, these grafts can undergo complications such as aneurysm formation, rupture, and failure. Evaluation of these complications are of paramount importance because of its tendency to rupture and cause death. Imaging plays an important role in identifying and monitoring of these complications, and also provides a road map to the vascular surgeons for early intervention and revascularization.
October 2016: Indian Journal of Radiology & Imaging
https://www.readbyqxmd.com/read/28104301/differences-in-pathologic-features-and-graft-outcomes-in-antibody-mediated-rejection-of-renal-allografts-due-to-persistent-recurrent-versus-de-novo-donor-specific-antibodies
#13
Mark Haas, James Mirocha, Nancy L Reinsmoen, Ashley A Vo, Jua Choi, Joseph M Kahwaji, Alice Peng, Rafael Villicana, Stanley C Jordan
Antibody-mediated rejection (ABMR) of renal allografts occurs in two forms. Type 1 ABMR results from persistence and/or a rebound of preexisting donor-specific antibodies in sensitized patients and usually occurs early post-transplantation. Type 2 ABMR is associated with de novo donor-specific antibodies and usually occurs over one year post-transplantation. It is generally accepted that types 1 and 2 also differ with regard to certain pathologic features including the frequencies of C4d positivity and concurrent cell-mediated rejection...
January 16, 2017: Kidney International
https://www.readbyqxmd.com/read/28104163/hyperuricemia-and-acute-renal-failure-in-renal-transplant-recipients-treated-with-high-dose-mizoribine
#14
K Akioka, T Ishikawa, M Osaka, Y Kadotani, K Okugawa, K Nakano, Y Osaka, K Tsuchiya, H Sako
BACKGROUND: Hyperuricemia is a common adverse event frequently found in renal transplant recipients with mizoribine (MZ). Hyperuricemia itself will be a cause of renal dysfunction, and renal dysfunction also will be a cause of hyperuricemia simultaneously. This study investigates frequency of hyperuricemia and renal failure in renal transplant recipients treated with high-dose MZ. PATIENTS AND METHODS: From December 2007 to October 2015, there was a total of 32 living related renal transplant recipients treated with high-dose MZ...
January 2017: Transplantation Proceedings
https://www.readbyqxmd.com/read/28104157/clinical-courses-of-graft-failure-caused-by-chronic-allograft-dysfunction-in-kidney-transplantation
#15
T Fujiwara, S Teruta, S Tsudaka, K Ota, H Matsuda
BACKGROUND: Chronic allograft dysfunction (CAD) is a main cause of graft failure in kidney transplantation. METHODS: We retrospectively analyzed 279 kidney transplant recipients who survived with a functioning graft for at least 2 years. CAD was defined as chronic graft deterioration, excluding other specific causes. We defined the pattern of decline in estimated glomerular filtration rate (eGFR), as follows: (1) "plateau" was defined as decline in eGFR ≤2 mL/min/1...
January 2017: Transplantation Proceedings
https://www.readbyqxmd.com/read/28104121/liver-failure-from-ultra-short-bowel-syndrome-on-the-intestinal-transplant-waiting-list-a-retrospective-study
#16
Y Noguchi, T Ueno, R Matsuura, T Kodama, K Deguchi, S Umeda, T Yamamichi, K Nakahata, M Zenitani, Y Takama, H Yamanaka, Y Tazuke, H Okuyama
BACKGROUND: Patients with intestinal failure (IF) are candidates for intestinal transplantation (ITx). In Japan, these patients have few opportunities to undergo cadaveric ITx because of low rates of organ donation. The donor criteria and recipient priority for ITx are still unknown. We reviewed our cases of IF to investigate which patients should be prioritized for ITx. METHODS: Patients with IF who were registered as candidates for cadaveric ITx between January 2010 and November 2015 in our institute were included in this retrospective study...
January 2017: Transplantation Proceedings
https://www.readbyqxmd.com/read/28104114/re-evaluating-cut-off-points-for-the-expansion-of-deceased-donor-criteria-for-kidney-transplantation-in-japan
#17
Y Nakagawa, M Ikeda, T Ando, M Tasaki, K Saito, K Takahashi, A Aikawa, M Kikuchi, K Akazawa, Y Tomita
BACKGROUND: A shortage of donors poses a serious problem for organ transplantation around the world. In response, the concept of the expanded criteria donor (ECD) has been defined to include donors with traditionally less favorable characteristics. That definition has now been accepted and is being applied in kidney transplantation in the United States and Europe. However, the ECD has not yet been defined for deceased donor kidney transplantation in Japan. PATIENTS AND METHODS: We analyzed data on graft survival and relevant risk factors in patients who received deceased donor kidney transplants through the East Japan Branch of the Japan Organ Transplant network (n = 1051)...
January 2017: Transplantation Proceedings
https://www.readbyqxmd.com/read/28103829/a-comparison-of-the-effects-of-oral-vs-intravenous-hydration-on-subclinical-acute-kidney-injury-in-living-kidney-donors-a-protocol-of-a-randomised-controlled-trial
#18
Shona Mackinnon, Emma Aitken, Ryan Ghita, Marc Clancy
BACKGROUND: Optimal treatment for established renal failure is living donor kidney transplantation. However this pathway exposes healthy individuals to significant reduction in nephron mass via major surgical procedure. Laparoscopic donor nephrectomy is now the most common method for live donor transplantation, reducing both donor post-operative pain and recovery time. However this procedure exposes kidneys to additional haemodynamic stresses. It has been suggested that donor hydration-particularly the use of preoperative intravenous fluids-may counteract these stresses, reducing subclinical acute kidney injury and ultimately improving long-term renal function...
January 19, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/28101784/dental-implants-and-grafting-success-remain-high-despite-large-variations-in-maxillary-sinus-mucosal-thickening
#19
Bartosz Maska, Guo-Hao Lin, Abdullah Othman, Shabnam Behdin, Suncica Travan, Erika Benavides, Yvonne Kapila
BACKGROUND: Although mucosal thickening is the most common radiographic finding observed regarding sinus pathology, the knowledge regarding its clinical significance on the outcomes of dental implants and grafting in the maxillary sinuses is still limited. We hypothesized that mucosal thickening would not alter the predictability for sinus floor augmentation and dental implant placement. The purpose of this retrospective study was to evaluate the outcomes of dental implant placement in sinus-augmented areas with preexisting sinus mucosal thickening...
December 2017: International Journal of Implant Dentistry
https://www.readbyqxmd.com/read/28100901/pancreas-transplant-with-duodeno-duodenostomy-and-caval-drainage-using-a-diamond-patch-graft-a-single-center-experience
#20
Je Ho Ryu, Tae Beom Lee, Young Mok Park, Kwang Ho Yang, Chong Woo Chu, Jung Hee Lee, Taeun Kim, Byung Hyun Choi
BACKGROUND The surgical technique used in pancreas transplant is essential for patient safety and graft survival, and problems exist with conventional strategies. When enteric exocrine drainage is performed, there is no method of immunologic monitoring other than direct graft pancreas biopsy. The most common cause of early graft failure is graft thrombosis, and adequate preventive and treatment strategies are unclear. To overcome these disadvantages, we suggest a modified surgical technique. MATERIAL AND METHODS Eleven patients underwent pancreas transplant with our modified technique...
January 19, 2017: Annals of Transplantation: Quarterly of the Polish Transplantation Society
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