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https://www.readbyqxmd.com/read/28231648/evaluation-of-infection-after-anterior-cruciate-ligament-reconstruction-during-a-short-period
#1
Hee-June Kim, Hyun-Joo Lee, Jong-Chul Lee, Seung-Gi Min, Hee-Soo Kyung
Purpose: We encountered 7 cases (7.1%) of infection (5 deep and 2 superficial) in 98 cases of anterior cruciate ligament (ACL) reconstruction using hamstring autografts in a 17-month period. The aim of this study was to analyze the causes of infection and to introduce our treatment strategy. Materials and Methods: We investigated the shelf-life of the fixation implants, the order of surgery, previous knee surgery, infectious pathogen, treatment of infection, and results of treatment...
March 1, 2017: Knee Surgery & related Research
https://www.readbyqxmd.com/read/28231643/three-dimensional-reconstruction-computed-tomography-evaluation-of-the-tunnel-location-and-angle-in-anatomic-single-bundle-anterior-cruciate-ligament-reconstruction-a-comparison-of-the-anteromedial-portal-and-outside-in-techniques
#2
Kang-Il Kim, Sang Hak Lee, Chanil Bae, Sung Hae Bae
Purpose: The purpose of this study was to compare the geometry and position of the femoral tunnel between the anteromedial portal (AMP) and outside-in (OI) techniques after anatomic single-bundle anterior cruciate ligament (ACL) reconstruction. Materials and Methods: We evaluated 82 patients undergoing single-bundle ACL reconstruction with hamstring autografts using either the AMP (n=40) or OI (n=42) technique. The locations of the tunnel apertures were assessed by postoperative 3-dimensional computed tomography imaging...
March 1, 2017: Knee Surgery & related Research
https://www.readbyqxmd.com/read/28230648/cultured-human-epidermis-combined-with-meshed-skin-autografts-accelerates-epithelialization-and-granulation-tissue-formation-in-a-rat-model
#3
Michiharu Sakamoto, Naoki Morimoto, Masukazu Inoie, Miki Takahagi, Shuichi Ogino, Chizuru Jinno, Shigehiko Suzuki
INTRODUCTION: As the take rate of cultured epidermal autografts in burn wound treatment is variable, widely expanded meshed auto skin grafts are often used in combination with cultured epidermal autograft to increase the take rate and achieve definitive wound coverage. However, a long time (3-4 weeks) required to prepare a cultured epidermis sheet is a disadvantage. Allogeneic cultured epidermis can be prepared in advance and cryopreserved to be used in combination with auto meshed skin grafts for treating third-degree burns...
February 23, 2017: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/28224063/the-8-strand-hamstring-autograft-in-anterior-cruciate-ligament-reconstruction
#4
Kunbo Park, Christopher M Brusalis, Theodore J Ganley
Growing participation in youth athletics has resulted in increased numbers of anterior cruciate ligament (ACL) injuries in skeletally immature patients. Use of autogenous graft material has been associated with improved graft survival. However, pediatric patients sometimes possess hamstring tendons that produce smaller-diameter grafts than those prepared with adult autogenous materials. Smaller-diameter grafts may predispose younger patients to graft failure. We describe a technique that increases the diameter of the ACL construct through the use of an 8-strand autologous hamstring tendon graft...
October 2016: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28220260/three-stage-treatment-protocol-for-recalcitrant-distal-femoral-nonunion
#5
Ching-Hou Ma, Yen-Chun Chiu, Yuan-Kun Tu, Cheng-Yo Yen, Chin-Hsien Wu
INTRODUCTION: In this study, we proposed a three-stage treatment protocol for recalcitrant distal femoral nonunion and aimed to analyze the clinical results. MATERIALS AND METHODS: We retrospective reviewed 12 consecutive patients with recalcitrant distal femoral nonunion undergoing our three-stage treatment protocol from January 2010 to December 2014 in our institute. The three-stage treatment protocol comprised debridement of the nonunion site, lengthening to eliminate leg length discrepancy, deformity correction, stabilization with a locked plate, filling of the defect with cement spacer for inducing membrane formation, and bone reconstruction using a cancellous bone autograft (Masquelet technique) or free vascularized fibular bone graft...
February 20, 2017: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/28219477/autologous-incus-versus-titanium-partial-ossicular-replacement-prosthesis-in-reconstruction-of-austin-type-a-ossicular-defects-a-prospective-randomised-clinical-trial
#6
Amith Naragund, R S Mudhol
OBJECTIVE: This study aimed to compare the functional and anatomical outcomes of ossiculoplasty using an autograft incus or a titanium partial ossicular replacement prosthesis for reconstructing Austin type A ossicular defects. METHODS: Patients with Austin A ossicular defects were randomly divided into two groups: one group underwent ossiculoplasty with an autologous incus (the autologous incus group) and the other underwent ossiculoplasty with a titanium partial ossicular replacement prosthesis (the titanium prosthesis group)...
February 21, 2017: Journal of Laryngology and Otology
https://www.readbyqxmd.com/read/28217655/correlation-between-body-mass-index-and-quadrupled-hamstring-tendon-autograft-size-in-acl-reconstruction
#7
Zafer Atbaşi, Ersin Erçin, Yusuf Erdem, Tuluhan Yunus Emre, Halis Atil Atilla, Adem Parlak
PURPOSE: the aim of this study was to assess the relationship of patient weight, height and body mass index (BMI) with the size of the quadrupled hamstring tendon used in anterior cruciate ligament (ACL) reconstruction. METHODS: from patient records, we retrospectively assessed the weight, height, BMI and graft sizes of 126 patients who underwent ACL reconstruction using a quadrupled hamstring tendon autograft between January 2010 and January 2013 at our institution...
October 2016: Joints
https://www.readbyqxmd.com/read/28217545/comparative-clinical-and-radiographic-evaluation-of-mineralized-cancellous-bone-allograft-puros-%C3%A2-and-autogenous-bone-in-the-treatment-of-human-periodontal-intraosseous-defects-6-months-follow-up-study
#8
B Ravinder Reddy, J Sudhakar, Nichenametla Rajesh, V Sandeep, Y Muralidhar Reddy, W R Gnana Sagar
AIMS: Several materials have been introduced as bone grafts, i.e., autografts, allograft, xenografts, and alloplastic grafts, and studies have shown them to produce greater clinical bone defect fill than open flap debridement alone. The aim of this clinical and radiological 6-month study was to compare and evaluate the clinical outcome of deep intraosseous defects following reconstructive surgery with the use of mineralized cancellous bone allograft (Puros(®)) or autogenous bone. MATERIALS AND METHODS: Ten patients with 12 sites exhibiting signs of moderate generalized chronic periodontitis were enrolled in the study...
December 2016: Journal of International Society of Preventive & Community Dentistry
https://www.readbyqxmd.com/read/28214835/up-regulation-of-tgf-%C3%AE-promotes-tendon-to-bone-healing-after-anterior-cruciate-ligament-reconstruction-using-bone-marrow-derived-mesenchymal-stem-cells-through-the-tgf-%C3%AE-mapk-signaling-pathway-in-a-new-zealand-white-rabbit-model
#9
Rui Wang, Bin Xu, Hong-Gang Xu
BACKGROUND/AIMS: This study aimed to explore the role of TGF-β in tendon-to-bone healing after anterior cruciate ligament (ACL) reconstruction using bone marrow-derived mesenchymal stem cells (BMSCs) through the TGF-β/MAPK signaling pathway in a New Zealand white rabbit model. METHODS: A total of 72 healthy male New Zealand white rabbits were selected for these experiments. Flow cytometry and immunofluorescence were used to detect the expression of BMSC surface markers, and qRT-PCR was performed to detect TGF-β mRNA expression...
January 20, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28210646/pain-assessment-after-anterior-cruciate-ligament-reconstruction-bone-patellar-tendon-bone-versus-hamstring-tendon-autograft
#10
Kelechi R Okoroha, Robert A Keller, Edward K Jung, Lafi Khalil, Nathan Marshall, Patricia A Kolowich, Vasilios Moutzouros
BACKGROUND: Anterior cruciate ligament (ACL) reconstruction is a common outpatient procedure that is accompanied by significant postoperative pain. PURPOSE: To determine differences in acute pain levels between patients undergoing ACL reconstruction with bone-patellar tendon-bone (BTB) versus hamstring tendon (HS) autograft. STUDY DESIGN: Cohort study; Level of evidence, 2. METHODS: A total of 70 patients who underwent primary ACL reconstruction using either BTB or HS autografts consented to participate...
December 2016: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28210226/combination-of-collagen-based-scaffold-and-bioactive-factors-induces-adipose-derived-mesenchymal-stem-cells-chondrogenic-differentiation-in-vitro
#11
Giovanna Calabrese, Stefano Forte, Rosario Gulino, Francesco Cefalì, Elisa Figallo, Lucia Salvatorelli, Eugenia T Maniscalchi, Giuseppe Angelico, Rosalba Parenti, Massimo Gulisano, Lorenzo Memeo, Raffaella Giuffrida
Recently, multipotent mesenchymal stem cells (MSCs) have attracted much attention in the field of regenerative medicine due to their ability to give rise to different cell types, including chondrocytes. Damaged articular cartilage repair is one of the most challenging issues for regenerative medicine, due to the intrinsic limited capability of cartilage to heal because of its avascular nature. While surgical approaches like chondral autografts and allografts provide symptoms and function improvement only for a short period, MSC based stimulation therapies, like microfracture surgery or autologous matrix-induced chondrogenesis demonstrate to be more effective...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28210022/csf-related-complications-after-intradural-spinal-tumor-surgery-utility-of-an-autologous-fat-graft
#12
Kenan I Arnautovic, Marko Kovacevic
OBJECT: The incidence of cerebrospinal fluid (CSF)-related complications after intradural spinal tumor (IST) surgery is high and reported in up to 18% of patients. However, no efficient way to prevent those complications has been reported so far. Treating these complications may require prolonged bed rest, re-exploration, external lumbar drain, use of antibiotics, and possible precipitation of other complications. To alleviate the risk of CSF-related complications, we prospectively adopted the intraoperative use of autologous fat grafting after IST surgery...
December 2016: Medical Archives
https://www.readbyqxmd.com/read/28205075/hamstring-autograft-versus-patellar-tendon-autograft-for-acl-reconstruction-is-there-a-difference-in-graft-failure-rate-a-meta-analysis-of-47-613-patients
#13
Brian T Samuelsen, Kate E Webster, Nick R Johnson, Timothy E Hewett, Aaron J Krych
BACKGROUND: Bone-patellar tendon-bone (bone-tendon-bone) and four-strand hamstring tendon grafts (hamstring) are the most commonly utilized autografts for primary anterior cruciate ligament (ACL) reconstruction. Existing clinical trials, registry studies, and meta-analyses offer conflicting opinions regarding the most favorable graft choice. QUESTIONS/PURPOSES: Which graft type for ACL reconstruction (bone-tendon-bone or hamstring) has a higher risk of (1) graft rupture and/or (2) graft laxity? METHODS: We performed a meta-analysis of randomized controlled trials (RCTs), prospective cohort studies, and high-quality national registry studies to compare the outcomes of primary ACL reconstruction with bone-tendon-bone autograft or hamstring autograft...
February 15, 2017: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/28203586/comparison-of-kinematics-and-tibiofemoral-contact-pressures-for-native-and-transplanted-lateral-menisci
#14
Patrick C McCulloch, Donald Dolce, Hugh L Jones, Andrea Gale, Michael G Hogen, Jason Alder, Jeremiah E Palmer, Philip C Noble
BACKGROUND: Lateral meniscus transplantation is a proven treatment option for the meniscus-deficient knee, yet little is known about meniscal kinematics, strain, and tibiofemoral contact pressure changes after transplantation or the effect of altered root position in lateral meniscus transplantation. PURPOSE: To compare the native lateral meniscal kinematics, strain, and tibiofemoral contact pressures to a best-case scenario meniscus transplant with perfectly matched size and position and to determine how sensitive these factors are to subtle changes in shape and position by using a nonanatomic meniscus transplant position...
December 2016: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28203585/can-grafts-provide-superior-tendon-healing-and-clinical-outcomes-after-rotator-cuff-repairs-a-meta-analysis
#15
Yohei Ono, Diego Alejandro Dávalos Herrera, Jarret M Woodmass, Richard S Boorman, Gail M Thornton, Ian K Y Lo
BACKGROUND: Arthroscopic repair of large to massive rotator cuff tears commonly retear. To improve healing rates, a number of different approaches have been utilized, including the use of grafts, which may enhance the biomechanical and biologic aspects of the repair construct. However, the outcomes after the use of grafts are diverse. PURPOSE: To systematically review the literature for large to massive rotator cuff tears to determine whether the use of grafts generally provides superior tendon healing and clinical outcomes to the repairs without grafts...
December 2016: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28196330/decellularized-human-dental-pulp-as-a-scaffold-for-regenerative-endodontics
#16
J S Song, K Takimoto, M Jeon, J Vadakekalam, N B Ruparel, A Diogenes
Teeth undergo postnatal organogenesis relatively late in life and only complete full maturation a few years after the crown first erupts in the oral cavity. At this stage, development can be arrested if the tooth organ is damaged by either trauma or caries. Regenerative endodontic procedures (REPs) are a treatment alternative to conventional root canal treatment for immature teeth. These procedures rely on the transfer of apically positioned stem cells, including stem cells of the apical papilla (SCAP), into the root canal system...
February 1, 2017: Journal of Dental Research
https://www.readbyqxmd.com/read/28196121/prognostic-significance-of-chemotherapy-induced-necrosis-in-osteosarcoma-patients-receiving-pasteurized-autografts
#17
Min Wook Joo, Yong Koo Kang, Chang-Young Yoo, Sung Ho Cha, Yang-Guk Chung
BACKGROUND: Among various reconstruction methods after wide excision for osteosarcoma, pasteurized autograft is often preferred. While the whole area of the tumor can be assessed for chemotherapy-induced necrosis, one of the important prognostic factors, in other reconstructive techniques, only a portion removed from a wide-resection specimen is available when using pasteurized autograft method. The assessment, therefore, may be unreliable. We analyzed the prognostic significance of the chemotherapy-induced necrosis in osteosarcoma patients who underwent reconstruction with pasteurized autografts...
2017: PloS One
https://www.readbyqxmd.com/read/28195984/reconstruction-following-tumor-resections-in-skeletally-immature-patients
#18
Adam S Levin, Alexandre Arkader, Carol D Morris
Reconstruction options in children after bone tumor resection are as varied as they are challenging. Advances in biologic and endoprosthetic design have led to many choices, all of which must be considered in the context of prognosis, treatment limitations, and patient/family expectations. The current experience and results of limb-sparing surgery following bone sarcoma resection in growing children are discussed, including allograft, autograft, and metallic prostheses alone and in combination, especially as they pertain to the knee...
March 2017: Journal of the American Academy of Orthopaedic Surgeons
https://www.readbyqxmd.com/read/28188337/giant-cell-tumor-of-the-bone-aggressive-case-initially-treated-with-denosumab-and-intralesional-surgery
#19
Donald von Borstel, Roberto A Taguibao, Nicholas A Strle, Joseph E Burns
Giant cell tumor of the bone (GCTB) is a locally aggressive benign tumor, which has historically been treated with wide surgical excision. We report a case of a 29-year-old male with histology-proven GCTB of the distal ulna. The initial imaging study was a contrast-enhanced magnetic resonance imaging (MRI) examination of the left wrist, which was from an outside facility performed before presenting to our institution. On the initial MRI, the lesion had homogenous T2-hyperintense and T1-hypointense signal with expansive remodeling of the osseous contour...
April 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/28187368/outcomes-of-autograft-alone-versus-peek-autograft-interbody-fusion-in-the-treatment-of-adult-lumbar-isthmic-spondylolisthesis
#20
Gang Wang, Dunfu Han, Zhenglin Cao, Honggang Guan, Tianhang Xuan
OBJECTIVES: Bone resulting from a complete resection of the posterior arch can be cut into an autograft bone that contains the facet joint structure and morselised bone for interbody fusion. However, whether a strut autograft that contains this trimmed facet joint can produce the same clinical and radiographic outcomes as a cage for interbody fusion remains unclear. The aim of this study was to compare the outcomes of a local facet joint autograft alone to those of polyetheretherketone (PEEK)+autograft for posterior lumbar interbody fusion (PLIF) in the treatment of adult isthmic spondylolisthesis...
January 31, 2017: Clinical Neurology and Neurosurgery
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