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Cartilage graft

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https://www.readbyqxmd.com/read/29783272/tendon-healing-in-bone-tunnel-after-human-anterior-cruciate-ligament-reconstruction-a-systematic-review-of-histological-results
#1
Hongbin Lu, Can Chen, Shanshan Xie, Yifu Tang, Jin Qu
Most studies concerning to tendon healing and incorporation into bone are mainly based on animal studies due to the invasive nature of the biopsy procedure. The evidence considering tendon graft healing to bone in humans is limited in several case series or case reports, and therefore, it is difficult to understand the healing process. A computerized search using relevant search terms was performed in the PubMed, EMBASE, Scopus, and Cochrane Library databases, as well as a manual search of reference lists. Searches were limited to studies that investigated tendon graft healing to bone by histologic examination after anterior cruciate ligament (ACL) reconstruction with hamstring...
May 21, 2018: Journal of Knee Surgery
https://www.readbyqxmd.com/read/29780834/factors-affecting-the-achievement-of-a-patient-acceptable-symptom-state-1-year-after-anterior-cruciate-ligament-reconstruction-a-cohort-study-of-343-patients-from-2-registries
#2
Eric Hamrin Senorski, Eleonor Svantesson, Susanne Beischer, Alberto Grassi, Ferid Krupic, Roland Thomeé, Kristian Samuelsson
Background: There is insufficient knowledge regarding the influence of concomitant injuries on the recovery of short-term subjective knee function after anterior cruciate ligament (ACL) reconstruction. Purpose: To determine whether patient characteristics, concomitant injuries, and graft choice during ACL reconstruction can predict which patients achieve acceptable knee function 1 year after reconstruction. Study Design: Case-control study; Level of evidence, 3...
April 2018: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/29772338/hyaluronic-acid-an-efficient-biomacromolecule-for-treatment-of-inflammatory-skin-and-joint-diseases-a-review-of-recent-developments-and-critical-appraisal-of-preclinical-and-clinical-investigations
#3
REVIEW
Li Hui Chen, Jian Feng Xue, Zhi Yong Zheng, Muhammad Shuhaidi, Hnin Ei Thu, Zahid Hussain
Hyaluronic acid (HA) plays multifaceted role in regulating various biological processes and maintaining homeostasis into the body. Numerous researches evidenced the biomedical implications of HA in skin repairmen, cancer prognosis, wound healing, tissue regeneration, anti-inflammatory, immunomodulation. The present review was aimed to summarize and critically appraise the recent developments and efficacy of HA for treatment of inflammatory skin and joint diseases. A thorough analysis of the literature revealed that HA based formulations (i...
May 14, 2018: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/29771844/an-innovative-and-easy-dome-holding-technique-for-transdomal-suture-in-rhinoplasty
#4
Sureyya Seneldir, Yusuf Muhammed Durna
Suture tip plasty is one the most used methods in nasal tip surgery. Transdomal suture (TDS) used for this purpose is utilized for providing the dome symmetry, thinning the nasal tip, and enhancing the nasal tip projection and rotation. However, there are not sufficient visual data on what the dome position should be during TDS. In this study, it was aimed to be directive in tip plasty and to define the convenient dome holding technique during TDS. Patients, 510 male and 621 female at the age of 18 to 50 years, who underwent the open technique septorhinoplasty between the years of 2003 to 2015 were included in the authors' study...
May 15, 2018: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/29768019/does-anterior-cruciate-ligament-reconstruction-affect-the-outcome-of-osteochondral-allograft-transplantation-a-matched-cohort-study-with-a-mean-follow-up-of-6-years
#5
Luís E P Tírico, Julie C McCauley, Pamela A Pulido, William D Bugbee
BACKGROUND: Few studies have evaluated the influence of anterior cruciate ligament (ACL) reconstruction on the outcome of cartilage repair. Hypothesis/Purpose: The purpose was to investigate the association between ACL reconstruction and functional outcomes after osteochondral allograft (OCA) transplantation. The hypothesis was that patients treated with OCA transplantation who had a history of ACL reconstruction would have inferior clinical outcomes and lower osteochondral graft survivorship when compared with a matched group of patients undergoing OCA transplantation without a history of ACL reconstruction...
May 1, 2018: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/29766671/point-of-care-treatment-of-focal-cartilage-defects-with-selected-chondrogenic-mesenchymal-stromal-cells-an-in-vitro-proof-of-concept-study
#6
Oliver Petters, Christian Schmidt, Christian Thuemmler, Frank Peinemann, Matthias Zscharnack, Jeremy S Somerson, Ronny M Schulz
Due to the poor self-healing capacities of cartilage, innovative approaches are a major clinical need. The use of in vitro expanded MSCs in a two-stage approach is accompanied by cost, time and personnel-intensive GMP production. A one-stage intra-operative procedure could overcome these drawbacks. The aim was to prove the feasibility of a point-of-care concept for the treatment of cartilage lesions using defined MSC subpopulations in a collagen hydrogel without prior MSC monolayer expansion. We tested four single marker candidates (MSCA-1, W4A5, CD146, CD271) for their effectiveness of separating colony-forming units of ovine MSCs via magnetic cell separation...
May 15, 2018: Journal of Tissue Engineering and Regenerative Medicine
https://www.readbyqxmd.com/read/29766258/treatment-of-osteochondral-defects-with-a-combination-of-bone-grafting-and-amic-technique
#7
Arnd Hoburg, Julia Marcella Leitsch, Gerd Diederichs, Rex Lehnigk, Carsten Perka, Roland Becker, Sven Scheffler
INTRODUCTION: Osteochondral defects of the knee may cause functional impairment of young and sportively active patients. Different surgical treatment options have been proposed using either one or two step procedures. The aim of the current study was to evaluate mid-term outcomes of combined bone grafting with autologous matrix-associated chondrogenesis (AMIC) for the treatment of large osteochondral defects. MATERIALS AND METHODS: 15 Patients with osteochondrosis dissecans of the medial femoral condyle grade III or IV according to ICRS classification were treated with a single step surgical procedure combining bone grafting and the AMIC procedure...
May 15, 2018: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/29764787/myringoplasty-quality-control-is-necessary-comparison-of-surgical-results-of-two-consecutive-series-in-a-single-institution
#8
Matti Iso-Mustajärvi, Aarno Dietz, Heikki Löppönen
OBJECTIVE: The aim of this study was to evaluate and compare myringoplasty results from two different consecutive series conducted at the Kuopio University Hospital during a four-decade period. MATERIALS AND METHODS: We reviewed 315 patients (a total of 338 ears) who underwent myringoplasty at Kuopio University Hospital between the years 1986 and 2012. The results from this series were compared with those form a previously published series of 404 patients who underwent myringoplasty between 1970 and 1985 at the same institution...
April 2018: Journal of International Advanced Otology
https://www.readbyqxmd.com/read/29762323/reinforcement-of-lower-lateral-cartilage-using-sliced-costal-periphery-to-reconfigure-nasal-tip-in-asian-rhinoplasty
#9
Lin Wang, Yonggan Niu, Hui Zhang, Baokai Li
BACKGROUND: Reinforcement of lower lateral crura (LLC) is an imperative prophylaxis against the secondary deformity of alar and nasal tip in Asian rhinoplasty. The common limitation of the existing techniques is loss of nasal tip's mobility to a large degree in exchange for structural stability. In search for a natural and animated postoperative nasal tip, the elasticity and rigidity of coastal periphery was taken into account. METHOD: Two pieces of sliced costal periphery (SCP) were used to reinforce the LLC...
May 14, 2018: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/29760942/induction-of-chondrogenesis-of-human-placenta-derived-mesenchymal-stem-cells-via-heparin-grafted-human-fibroblast-derived-matrix
#10
Yong Kwan Noh, Ping Du, Avelino Dos Santos Da Costa, Kwideok Park
Background: Formation of mature and functional articular cartilage is still challenging in cartilage tissue engineering. This study investigates the potential of using heparin-grafted decellularized extracellular matrix (ECM) as a novel growth factor delivery platform towards human placenta-derived mesenchymal stem cells (hPMSCs) chondrogenic differentiation. Human fibroblast-derived extracellular matrix (hFDM) is naturally obtained from in vitro-cultured human lung fibroblasts via a mild decellularization process...
2018: Biomaterials Research
https://www.readbyqxmd.com/read/29756610/the-hump-columellar-strut-a-reliable-technique-for-correction-of-nasal-tip-underprojection
#11
P G Giacomini, S Mocella, S DI Girolamo, R DE Berardinis, A Boccieri
Nasal tip under projection is often found in rhinoplasty cases both for congenital or post-traumatic deformity. Nasal trauma may result in alteration of the external and internal nasal structures with following aesthetic impairment and difficulties in breathing. Post-traumatic surgery is frequent, but restoration of pre-traumatic form and function remains a challenge. The present paper describes a new method to increase tip projection by a columellar strut harvested from the autologous nasal bone and cartilage of the resected hump...
February 2018: Acta Otorhinolaryngologica Italica
https://www.readbyqxmd.com/read/29754713/endoscopic-partial-arytenoidectomy-for-bilateral-vocal-fold-paralysis-medially-based-mucosal-flap-technique
#12
Taner Yılmaz
PURPOSE: Endoscopic partial arytenoidectomy (EPA) is one of the static operations for treatment of bilateral vocal fold paralysis (BVFP). Improvement in airway may cause voice loss and aspiration. The author reports his experience on EPA using medially based mucosal flap to enlarge posterior glottis without removing any part of membranous vocal fold. MATERIALS AND METHODS: Sixty-four consecutive patients with BVFP underwent EPA. Pre- and postoperative evaluations included Voice Handicap Index-30, aerodynamic and acoustic analysis, flow volume loops, perceptual evaluation of pre- and postoperative voice using grade, roughness, breathiness, asthenia, strain (GRBAS) scale, speech intensity, breathing ability evaluation, and functional outcome swallowing scale...
May 10, 2018: Journal of Voice: Official Journal of the Voice Foundation
https://www.readbyqxmd.com/read/29741957/effects-of-proud-large-osteochondral-plugs-on-contact-forces-and-knee-kinematics-a-robotic-study
#13
Peter Z Du, Keith L Markolf, Daniel V Boguszewski, Kent T Yamaguchi, Christopher J Lama, David R McAllister, Kristofer J Jones
BACKGROUND: Osteochondral allograft (OCA) transplantation is used to treat large focal femoral condylar articular cartilage defects. A proud plug could affect graft survival by altering contact forces (CFs) and knee kinematics. HYPOTHESIS: A proud OCA plug will significantly increase CF and significantly alter knee kinematics throughout controlled knee flexion. STUDY DESIGN: Controlled laboratory study. METHODS: Human cadaver knees had miniature load cells, each with a 20-mm-diameter cylinder of native bone/cartilage attached at its exact anatomic position, installed in both femoral condyles at standardized locations representative of clinical defects...
May 1, 2018: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/29738680/autologous-osteochondral-mosaicplasty-for-centrally-and-laterally-located-advanced-capitellar-osteochondritis-dissecans-in-teenage-athletes-clinical-outcomes-radiography-and-magnetic-resonance-imaging-findings
#14
Tadanao Funakoshi, Daisuke Momma, Yuki Matsui, Tamotsu Kamishima, Yuichiro Matsui, Daisuke Kawamura, Yusuke Nagano, Norimasa Iwasaki
BACKGROUND: Autologous osteochondral mosaicplasty (ie, mosaicplasty) results in satisfactory clinical outcomes and reliable return to play for patients with large or unstable lesions due to osteochondritis dissecans (OCD) of the humeral capitellum. However, the association between the healing of the reconstructed cartilage and clinical outcomes remains unclear. PURPOSE: To evaluate the efficacy of mosaicplasty in teenage athletes through use of clinical scores and imaging...
May 1, 2018: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/29738388/tympanic-membrane-perforation-repair-using-porcine-small-intestinal-submucosal-grafting
#15
Robert J Yawn, Matthew M Dedmon, Brendan P O'Connell, Frank W Virgin, Alejandro Rivas
OBJECTIVE: To evaluate the use of porcine small intestinal submucosal grafts for tympanic membrane repair. PATIENTS: Adult and pediatric patients with tympanic membrane perforations with and without chronic otitits media, and perforations after removal of cholesteatoma. INTERVENTION: Endoscopic or microscopic tympanic membrane repair using porcine small intestinal submucosal grafts (Biodesign). MAIN OUTCOME MEASURE(S): Perforation closure, bone and air pure-tone averages (PTA), air-bone gap (ABG), and word recognition scores (WRS) were recorded as outcome measures...
June 2018: Otology & Neurotology
https://www.readbyqxmd.com/read/29730208/the-effect-of-cartilage-fragments-on-femoral-tunnel-widening-after-anterior-cruciate-ligament-reconstruction-a-prospective-randomized-controlled-study
#16
Chi Zhang, Jun Pan, Jian-De Chen, Yi-Jun Zhang, Peng-Cheng Gu, Xiang-Jin Lin, You-Zhi Cai
PURPOSE: To analyze the effect of cartilage fragments on tunnel widening and tendon-bone integration at 2 years' follow-up after anterior cruciate ligament reconstruction (ACLR). METHODS: A prospective randomized controlled study was performed in 116 patients who underwent ACLR with autologous hamstring tendons augmented with cartilage fragments (study group, n = 56) or without any augmentation (control group, n = 60). All patients were followed up for 25.6 months (range, 24-28 months), and the International Knee Documentation Committee score, Lysholm score, and visual analog scale score were determined...
May 2, 2018: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29729762/editorial-commentary-the-all-epiphyseal-anterior-cruciate-ligament-distal-femoral-approach-sockets-or-tunnels
#17
EDITORIAL
Frank A Cordasco
I believe that the distal femoral approach for anterior cruciate ligament reconstruction in the skeletally immature athlete with 3 to 6 years of remaining growth is best performed with an all-inside, all-epiphyseal technique using sockets rather than an outside-in approach creating tunnels. A shorter socket rather than a longer tunnel exposes a smaller surface area of the lateral distal femoral physis to potential compromise and resultant valgus malalignment. In addition, exiting the lateral femoral aspect of the epiphysis with a full-diameter tunnel as compared with a smaller diameter drill hole used to prepare a socket places the posterior articular cartilage, the lateral collateral ligament and anterolateral ligament footprints, and the popliteus tendon insertion at risk...
May 2018: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29728173/novel-endoscopic-suturing-technique-to-mitigate-risk-of-graft-extrusion-in-endoscopic-posterior-cricoid-split-and-costal-cartilage-grafting-a-case-report
#18
Janki Shah, Peter Ciolek, Brandon Hopkins
No abstract text is available yet for this article.
June 2018: International Journal of Pediatric Otorhinolaryngology
https://www.readbyqxmd.com/read/29726103/chondrogenic-differentiation-of-human-chondrocytes-cultured-in-the-absence-of-ascorbic-acid
#19
M Adelaide Asnaghi, Ralph Duhr, Helen Quasnichka, Anthony P Hollander, Wael Kafienah, Ivan Martin, David Wendt
Bioreactor systems will likely play a key role in establishing regulatory compliant and cost-effective production systems for manufacturing engineered tissue grafts for clinical applications. However, the automation of bioreactor systems could become considerably more complex and costly due to the requirements for additional storage and liquid handling technologies if unstable supplements are added to the culture medium. Ascorbic acid (AA) is a bioactive supplement that is commonly presumed to be essential for the generation of engineered cartilage tissues...
May 4, 2018: Journal of Tissue Engineering and Regenerative Medicine
https://www.readbyqxmd.com/read/29722123/a-tricalcium-phosphate-polyether-ether-ketone-anchor-bionic-fixation-device-for-anterior-cruciate-ligament-reconstruction-safety-and-efficacy-in-a-beagle-model
#20
Genwen Mao, Zili Qin, Zheng Li, Xiang Li, Yusheng Qiu, Weiguo Bian
The goal of this study was to develop a bionic fixation device based on the use of a tricalcium phosphate/polyether ether ketone anchor and harvesting of the ulnar carpal flexor muscle tendon for application as a ligament graft in a beagle anterior cruciate ligament (ACL) reconstruction model, with the goal of accelerating the ligament graft-to-bone tunnel healing and providing a robust stability through exploration of this new kind of autologous ligament graft. The safety and efficacy of this fixation device were explored 3 and 6 months after surgery in a beagle ACL reconstruction model using biomechanical tests and comprehensive histological observation...
May 2, 2018: Journal of Biomedical Materials Research. Part B, Applied Biomaterials
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