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Bone marrow aspirate concentrate

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https://www.readbyqxmd.com/read/27909656/outcomes-of-demineralized-bone-matrix-enriched-with-concentrated-bone-marrow-aspirate-in-lumbar-fusion
#1
Remi M Ajiboye, Mark A Eckardt, Jason T Hamamoto, Benjamin Plotkin, Michael D Daubs, Jeffrey C Wang
BACKGROUND: Multiple studies have demonstrated that a significant amount of variability exists in various demineralized bone matrix (DBM) formulations, which casts doubts on its reliability in consistently promoting fusion. Bone marrow aspirate (BMA) is a cellular based graft that contains mesenchymal stem cells (MSCs) and growth factors can confer osteogenic and osteoinductive potential to DBM. The goal of this study was to describe the outcome of DBM enriched with concentrated BMA in patients undergoing combined lumbar interbody and posterolateral fusion...
2016: International Journal of Spine Surgery
https://www.readbyqxmd.com/read/27908574/reconstruction-of-a-post-traumatic-maxillary-ridge-using-a-radial-forearm-free-flap-and-immediate-tissue-engineering-bone-morphogenetic-protein-bone-marrow-aspirate-concentrate-and-cortical-cancellous-bone-case-report
#2
James C Melville, Ramzey Tursun, J Marshall Green, Robert E Marx
The purpose of this article is to describe reconstruction of the maxillary alveolar ridge by use of a microvascular free flap combined with an immediate tissue-engineered bone graft. This novel surgical technique involved the use of a radial forearm free flap and immediate allogeneic avascular bone graft augmented with bone morphogenetic protein and bone marrow aspirate concentrate. A poly-d,l-lactic acid mesh was used a containment unit for the bone graft. The patient was successfully treated with a viable radial forearm free flap for soft tissue and regeneration of bone with adequate height and width, which allowed the placement of 3 dental implants with excellent arch coordination...
November 9, 2016: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/27903929/a-comparison-of-outcomes-of-particulated-juvenile-articular-cartilage-and-bone-marrow-aspirate-concentrate-for-articular-cartilage-lesions-of-the-talus
#3
Nathan S Lanham, John J Carroll, Minton T Cooper, Venkat Perumal, Joseph S Park
Background Articular cartilage lesions of the talus remain a challenging clinical problem because of the lack of natural regeneration and limited treatment options. Microfracture is often the first-line therapy, however lesions larger than 1.5 cm(2) have been shown to not do as well with this treatment method. Methods The objective of this retrospective study was to evaluate the outcomes of iliac crest bone marrow aspirate concentrate/collagen scaffold (ICBMA) and particulated juvenile articular cartilage (PJAC) for larger articular cartilage lesions of the talus...
November 30, 2016: Foot & Ankle Specialist
https://www.readbyqxmd.com/read/27900365/genome-sequencing-in-a-case-of-niemann-pick-type-c
#4
Max Dougherty, John Lazar, Jason C Klein, Karina Diaz, Theodore Gobillot, Eli Grunblatt, Nicholas Hasle, Daniel Lawrence, Megan Maurano, Maria Nelson, Gregory Olson, Sanjay Srivatsan, Jay Shendure, C Dirk Keene, Thomas Bird, Marshall S Horwitz, Desiree A Marshall
Adult-onset Niemann-Pick disease type C (NPC) is an infrequent presentation of a rare neurovisceral lysosomal lipid storage disorder caused by autosomal recessive mutations in NPC1 (∼95%) or NPC2 (∼5%). Our patient was diagnosed at age 33 when he presented with a 10-yr history of difficulties in judgment, concentration, speech, and coordination. A history of transient neonatal jaundice and splenomegaly with bone marrow biopsy suggesting a lipid storage disorder pointed to NPC; biochemical ("variant" level cholesterol esterification) and ultrastructural studies in adulthood confirmed the diagnosis...
November 2016: Cold Spring Harbor Molecular Case Studies
https://www.readbyqxmd.com/read/27871420/platelet-rich-plasma-and-concentrated-bone-marrow-aspirate-in-surgical-treatment-for-osteochondral-lesions-of-the-talus
#5
REVIEW
Youichi Yasui, Andrew W Ross, John G Kennedy
Platelet-rich plasma (PRP) and concentrated bone marrow aspirate (CBMA) have the potential to improve the quality of cartilage repair in osteochondral lesions of the talus (OLT). In this review, we describe the basic science and clinical evidence that has been published on the topic of PRP and CBMA on 2 commonly used surgical techniques for the treatment of OLT: bone marrow stimulation and osteochondral autograft transfer.
December 2016: Foot and Ankle Clinics
https://www.readbyqxmd.com/read/27871416/bone-marrow-aspirate-concentrate-for-bone-healing-in-foot-and-ankle-surgery
#6
REVIEW
Joshua S Harford, Travis J Dekker, Samuel B Adams
Autologous bone marrow aspirate concentrate (BMAC) has become a popular orthobiologic to augment bone healing. The potential benefit comes from osteoprogenitor cells and growth factors that can lead to new bone formation in the setting of foot and ankle arthrodesis procedures. BMAC has an excellent safety record and has demonstrated efficacy in animal models of bone healing. Although scant, the literature on the use of BMAC in foot and ankle surgery does demonstrate promise for this orthobiologic adjuvant.
December 2016: Foot and Ankle Clinics
https://www.readbyqxmd.com/read/27813021/bone-marrow-aspirate-concentrate-for-the-treatment-of-osteochondral-lesions-of-the-talus-a-systematic-review-of-outcomes
#7
REVIEW
Jorge Chahla, Mark E Cinque, Jason M Shon, Daniel J Liechti, Lauren M Matheny, Robert F LaPrade, Thomas O Clanton
BACKGROUND: The goal of this perform a systematic review on the outcomes of bone marrow aspirate concentrate (BMAC) for the treatment of chondral defects and osteoarthritis (OA) of the talus. RESULTS: The systematic search performed identified 47 studies after duplicates were removed. After inclusion criteria were applied four studies were considered for insightful analysis for the treatment of focal chondral defects in the foot and ankle with the use of BMAC. Three studies were retrospective and one study was prospective in nature...
December 2016: Journal of Experimental Orthopaedics
https://www.readbyqxmd.com/read/27810548/immediate-transoral-allogeneic-bone-grafting-for-large-mandibular-defects-less-morbidity-more-bone-a-paradigm-in-benign-tumor-mandibular-reconstruction
#8
James C Melville, Nader N Nassari, Issa A Hanna, Jonathan W Shum, Mark E Wong, Simon Young
PURPOSE: Reconstruction of hard tissue continuity defects caused by ablative tumor surgery has been traditionally reconstructed with autogenous bone grafts or microvascular free flaps. Although results have been predictable from these 2 methods of reconstruction, the morbidity associated with bone harvest is quite serious for the patient. Predictable results have been obtained with using a combination of 100% cadaver bone, bone marrow aspirate concentrate (BMAC), and recombinant human bone morphogenic protein in immediate reconstruction for benign tumor extirpations through the extraoral approach...
October 6, 2016: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/27806176/abrupt-onset-of-refractory-heart-failure-associated-with-light-chain-amyloidosis-in-hypertrophic-cardiomyopathy
#9
Benedetta Tomberli, Francesco Cappelli, Federico Perfetto, Iacopo Olivotto
Importance: The natural history of hypertrophic cardiomyopathy (HCM) is complex and may include progressive heart failure and severe left ventricular dysfunction. When disease progression is abrupt, however, other coexisting diseases should be ruled out. This may be difficult in the case of amyloidosis, which classically mimics HCM. Results: We present an example of severe clinical deterioration in a patient with HCM due to superimposed amyloid light-chain amyloidosis...
November 2, 2016: JAMA Cardiology
https://www.readbyqxmd.com/read/27799651/diagnosis-of-visceral-leishmaniasis-using-peripheral-blood-microscopy-in-ethiopia-a-prospective-phase-iii-study-of-the-diagnostic-performance-of-different-concentration-techniques-compared-to-tissue-aspiration
#10
Ermias Diro, Cedric Yansouni, Yegnasew Takele, Bewketu Mengesha, Lutgarde Lynen, Asrat Hailu, Johan van Griensven, Marleen Boelaert, Philippe Büscher
Visceral leishmaniasis (VL) is a fatal parasitic disease. Unfortunately, diagnosis of VL in east Africa currently relies on aspiration of tissue from the spleen or bone marrow, which is painful and potentially dangerous. We sought to determine whether peripheral blood could be used instead of invasive tissue aspirates to diagnose VL, using three parasite concentration techniques. Three hundred and one consecutive people suspected of having VL were recruited. Compared with microscopy of tissue aspirates, the diagnostic accuracy of peripheral blood microscopy was as follows: whole blood thin smear sensitivity 1...
October 31, 2016: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/27768215/refixation-allograft-and-adjuvant-cell-therapy-to-treat-nonunion-of-the-femoral-neck-in-a-child
#11
Marina Magnani, Giovanni Trisolino, Stefano Stilli
INTRODUCTION: Idiopathic posttraumatic nonunion is a rare condition in children; the treatment of this complication is still controversial in this peculiar population. CASE REPORT: We report a case of a subcapital type II femoral neck fracture, in a 12-year-old boy, which was initially treated by internal fixation and subsequently went on to a nonunion at the femoral neck, in absence of infection or other disease.1 year after index surgery we performed surgical debridement and refixation with plate and bone allograft, added with autologous bone marrow aspiration concentrate (BMAC) and platelet-rich fibrin (PRF)...
October 15, 2016: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/27761584/adenosine-generated-in-the-bone-marrow-niche-through-a-cd38-mediated-pathway-correlates-with-progression-of-human-myeloma
#12
Alberto L Horenstein, Valeria Quarona, Denise Toscani, Federica Costa, Antonella Chillemi, Vito Pistoia, Nicola Giuliani, Fabio Malavasi
Human myeloma cells express CD38 at high levels and grow in hypoxic niches inside the bone marrow. Myeloma cells respond to hypoxia with metabolic changes leading to aerobic glycolysis, thus reducing ATP and increasing NAD(+). Our hypothesis is that these conditions favor the enzymatic pathways involved in the production of adenosine in the niche. Within the niche, NAD(+) is able to activate a discontinuous adenosinergic pathway that relies upon CD38, CD203a, and CD73 or TRACP, according to the environmental pH...
October 13, 2016: Molecular Medicine
https://www.readbyqxmd.com/read/27761221/the-basic-science-of-bone-marrow-aspirate-concentrate-in-chondral-injuries
#13
James Holton, Mohamed Imam, Jonathan Ward, Martyn Snow
There has been great interest in bone marrow aspirate concentrate (BMAC) as a cost effective method in delivering mesenchymal stem cells (MSCs) to aid in the repair and regeneration of cartilage defects. Alongside MSCs, BMAC contains a range of growth factors and cytokines to support cell growth following injury. However, there is paucity of information relating to the basic science underlying BMAC and its exact biological role in supporting the growth and regeneration of chondrocytes. The focus of this review is the basic science underlying BMAC in relation to chondral damage and regeneration...
September 19, 2016: Orthopedic Reviews
https://www.readbyqxmd.com/read/27755307/reply-improvement-of-fat-graft-survival-with-autologous-bone-marrow-aspirate-and-bone-marrow-concentrate-a-one-step-method
#14
Wenshan Xing, Dali Mu, Qian Wang, Su Fu, Minqiang Xin, Jie Luan
No abstract text is available yet for this article.
October 10, 2016: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/27755305/improvement-of-fat-graft-survival-with-autologous-bone-marrow-aspirate-and-bone-marrow-concentrate-a-one-step-method
#15
Mel Bircoll
No abstract text is available yet for this article.
October 10, 2016: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/27709058/dry-arthroscopic-single-stage-cartilage-repair-of-the-knee-using-a-hyaluronic-acid-based-scaffold-with-activated-bone-marrow-derived-mesenchymal-stem-cells
#16
Graeme P Whyte, Alberto Gobbi, Boguslaw Sadlik
Cartilage lesions of the knee are a frequent finding; however, treatment options that are capable of restoring hyaline-like tissue are not routinely used. Cell-based technology such as autologous chondrocyte implantation may in some cases provide durable cartilage repair, but availability of this procedure is often restricted due to cost constraints. There have been promising outcomes reported with the use of scaffolds seeded with activated bone marrow aspirate concentrate in cases of chondral injury. There are clear advantages to cell-based cartilage repair techniques that are performed as a single-stage procedure, particularly when the repair technology can be used in a minimally invasive manner...
August 2016: Arthroscopy Techniques
https://www.readbyqxmd.com/read/27630841/gyra-ser83-and-parc-trp106-mutations-in-salmonella-enterica-serovar-typhi-isolated-from-typhoid-fever-patients-in-tertiary-care-hospital
#17
Muthu Gopal, Sathishkumar Elumalai, Suresh Arumugam, Vishnuprabu Durairajpandian, Munirajan Arasambattu Kannan, Esthermary Selvam, Srivani Seetharaman
INTRODUCTION: Typhoid fever is endemic in India and other developing countries, causing major public health problems with high morbidity and mortality. The resistance of Salmonella enterica serovar Typhi (S. Typhi) towards commonly prescribed antimicrobials is increasing in developing countries. However, there have been several reports of the therapeutic failure of fluoroquinolones in patients with Salmonella infection. Resistance to quinolones/ fluoroquinolones commonly arises due to target site mutation...
July 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/27590312/plasmodium-cynomolgi-infections-in-rhesus-macaques-display-clinical-and-parasitological-features-pertinent-to-modelling-vivax-malaria-pathology-and-relapse-infections
#18
Chester Joyner, Alberto Moreno, Esmeralda V S Meyer, Monica Cabrera-Mora, Jessica C Kissinger, John W Barnwell, Mary R Galinski
BACKGROUND: Plasmodium vivax infections in humans or in new world monkeys pose research challenges that necessitate the use of alternative model systems. Plasmodium cynomolgi is a closely related species that shares genetic and biological characteristics with P. vivax, including relapses. Here, the haematological dynamics and clinical presentation of sporozoite-initiated P. cynomolgi infections in Macaca mulatta (rhesus macaques) are evaluated over a 100-day period. METHODS: Five M...
September 2, 2016: Malaria Journal
https://www.readbyqxmd.com/read/27574332/genetic-modification-of-human-peripheral-blood-aspirates-using-recombinant-adeno-associated-viral-vectors-for-articular-cartilage-repair-with-a-focus-on-chondrogenic-transforming-growth-factor-%C3%AE-gene-delivery
#19
Janina Frisch, Patrick Orth, Jagadeesh Kumar Venkatesan, Ana Rey-Rico, Gertrud Schmitt, Dieter Kohn, Henning Madry, Magali Cucchiarini
: : Transplantation of genetically modified peripheral blood aspirates that carry chondrogenically competent progenitor cells may offer new, convenient tools to treat articular cartilage lesions compared with the more complex and invasive application of bone marrow concentrates or of bone marrow-derived mesenchymal stem cells. Here, we show that recombinant adeno-associated viral (rAAV) vectors are powerful gene vehicles capable of successfully targeting primary human peripheral blood aspirates in a stable and safe manner, allowing for an efficient and long-term transgene expression in such samples (up to 63 days with use of a lacZ reporter gene and for at least 21 days with application of the pleiotropic, chondrogenic factor transforming growth factor-β [TGF-β])...
August 29, 2016: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/27566242/a-prospective-single-blind-placebo-controlled-trial-of-bone-marrow-aspirate-concentrate-for-knee-osteoarthritis
#20
Shane A Shapiro, Shari E Kazmerchak, Michael G Heckman, Abba C Zubair, Mary I O'Connor
BACKGROUND: Bone marrow aspirate concentrate (BMAC) is increasingly used as a regenerative therapy for musculoskeletal pathological conditions despite limited evidence-based support. HYPOTHESIS: BMAC will prove feasible, safe, and efficacious for the treatment of pain due to mild to moderate degenerative joint disease of the knee. STUDY DESIGN: Randomized controlled trial; Level of evidence, 2. METHODS: In this prospective, single-blind, placebo-controlled trial, 25 patients with bilateral knee pain from bilateral osteoarthritis were randomized to receive BMAC into one knee and saline placebo into the other...
August 26, 2016: American Journal of Sports Medicine
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