keyword
https://read.qxmd.com/read/38534518/regeneration-process-of-an-autologous-tissue-engineered-trachea-atet-in-a-rat-patch-tracheoplasty-model
#1
JOURNAL ARTICLE
Shun Iwasaki, Koichi Deguchi, Ryosuke Iwai, Yasuhide Nakayama, Hiroomi Okuyama
The treatment of long-tracheal lesion is difficult because there are currently no viable grafts for tracheal replacement. To solve this problem, we have developed an autologous Tissue-Engineered Trachea (aTET), which is made up of collagenous tissues and cartilage-like structures derived from rat chondrocytes. This graft induced successful long-term survival in a small-animal experiment in our previous study. In this study, we investigated the regeneration process of an aTET to attain reproducible success. We prepared an aTET by using a specially designed mold and performed patch tracheoplasty with an aTET...
February 29, 2024: Bioengineering
https://read.qxmd.com/read/38534396/pros-and-cons-of-cryopreserving-allogeneic-stem-cell-products
#2
REVIEW
Caterina Giovanna Valentini, Claudio Pellegrino, Luciana Teofili
The COVID-19 pandemic has precipitously changed the practice of transplanting fresh allografts. The safety measures adopted during the pandemic prompted the near-universal graft cryopreservation. However, the influence of cryopreserving allogeneic grafts on long-term transplant outcomes has emerged only in the most recent literature. In this review, the basic principles of cell cryopreservation are revised and the effects of cryopreservation on the different graft components are carefully reexamined. Finally, a literature revision on studies comparing transplant outcomes in patients receiving cryopreserved and fresh grafts is illustrated...
March 21, 2024: Cells
https://read.qxmd.com/read/38534304/the-long-term-esthetic-and-radiographic-outcome-of-implants-placed-in-the-anterior-maxilla-after-ridge-preservation-combining-bovine-xenograft-with-collagen-matrix
#3
JOURNAL ARTICLE
Leonidas Batas, Vithleem Xanthopoulou, Maria Gnigou, Triantafyllia Vagdouti, Ioannis Fragkioudakis, Ioannis Vouros
The objective of the study was to evaluate the long-term esthetic and radiographic results of implants placed in the anterior maxilla after ridge preservation, combining bovine xenograft with collagen matrix. Fifteen patients who required a single tooth extraction because of fracture, root resorption, or extended caries were included in the study. After extraction, all sites were grafted using Deproteinized Bovine Bone Mineral (DBBM) with collagen and covered by a resorbable collagen matrix (CM). Five months after socket grafting, implants were successfully installed...
March 20, 2024: Dentistry Journal
https://read.qxmd.com/read/38528125/fresh-frozen-cartilage-in-rhinoplasty-surgery-a-systematic-review-of-outcomes
#4
REVIEW
Murtaza Kadhum, Karishma Khan, Khalifa Al-Ghanim, Valera Castanov, Caitlin Symonette, Muhammad Umair Javed
INTRODUCTION: Cadaveric fresh frozen cartilage provides an enticing alternative to traditional autologous cartilage grafts. This review provides a systematic analysis of existing literature on the use of fresh frozen rib for in rhinoplasties and focuses on clinical and aesthetic outcomes. METHODS: The methodology was designed and registered in the PROSPERO database (CRD42023447166). The Preferred Reporting Items for Systematic Reviews and Meta-Analysis guideline was used to perform this systematic review...
March 25, 2024: Aesthetic Plastic Surgery
https://read.qxmd.com/read/38525389/a-comparison-of-the-clinical-outcomes-of-minimum-and-maximum-hematocrit-levels-during-cardiopulmonary-bypass-cpb-in-low-risk-patients-undergoing-coronary-artery-bypass-graft-surgery-cabg-a-cross-sectional-study
#5
JOURNAL ARTICLE
Fatemeh Shiravi, Mehran Shahzamani, Sayyed Alireza Hosseini, Davood Shafie
BACKGROUND: This study investigated the clinical outcomes at the minimum and maximum levels of hematocrit (HCT) during cardiopulmonary bypass (CPB) in low-risk patients undergoing coronary artery bypass graft (CABG) surgery. MATERIALS AND METHODS: In this cross-sectional study, 85 patients who underwent CABG with an ejection fraction of greater than 35% were selected. Based on the HCT range during CPB, patients were divided into two groups: minimum HCT: HCT = 16-18% and maximum HCT: HCT = 25-27%...
2024: Advanced Biomedical Research
https://read.qxmd.com/read/38524888/biomechanical-comparison-of-ulnar-collateral-ligament-reconstruction-between-palmaris-longus-autograft-and-knee-medial-collateral-ligament-allograft
#6
JOURNAL ARTICLE
Michael A Stone, Linda Chao, Dave T Huang, Harin B Parikh, Michael Sun, David A Kulber, Melodie F Metzger
BACKGROUND: Medial ulnar collateral ligament (mUCL) injury can cause significant pain and alter throwing mechanics. Common autograft options for mUCL reconstruction (UCLR) include the palmaris longus (PL) and hamstring tendons. Allograft use may reduce donor site morbidity and decrease function related to PL autografts. PURPOSE: To compare varus stability and load to failure between a novel allograft for UCLR-knee medial collateral ligament (kMCL)-and a PL autograft in human donor elbow specimens...
March 2024: Orthopaedic Journal of Sports Medicine
https://read.qxmd.com/read/38523479/participation-in-sports-or-recreational-activities-after-osteochondral-allograft-transplantation-of-the-talus
#7
JOURNAL ARTICLE
Joseph W Fiske, Aliasgar H Dalal, Julie C McCauley, William D Bugbee
BACKGROUND: Fresh osteochondral allograft (OCA) transplantation is a viable treatment option for osteochondral defects of the talus. However, sufficient data are not available on patients' participation in sports or recreational activities after the procedure. PURPOSE: To assess whether patients undergoing OCA transplantation of the talus participated in sports or recreational activities postoperatively. STUDY DESIGN: Case series; level of evidence, 4...
March 25, 2024: American Journal of Sports Medicine
https://read.qxmd.com/read/38499876/effect-of-injectable-acellular-adipose-matrix-on-soft-tissue-reconstruction-in-a-murine-model
#8
JOURNAL ARTICLE
Jaewoo Kim, Vinh Vuong The Tran, Ki Yong Hong, Hak Chang
BACKGROUND: The extracellular matrix isolated from adipose tissue, known as acellular adipose matrix (AAM), represents a novel biomaterial. AAM functions as a scaffold that not only supports stem cell proliferation and differentiation but also induces adipogenesis and angiogenesis. This study aims to investigate the volumetric effects and microenvironmental changes associated with injectable AAM in comparison to conventional fat grafting. METHODS: AAM was manufactured from fresh human abdominoplasty fat using a mechanically modified method and then transformed into an injectable form...
March 18, 2024: Aesthetic Plastic Surgery
https://read.qxmd.com/read/38494437/periprocedural-risk-predictors-affecting-long-term-prognosis-in-patients-with-chronic-obstructive-pulmonary-disease-undergoing-coronary-artery-bypass-grafting
#9
JOURNAL ARTICLE
Aleksander Dokollari, Serge Sicouri, Leila Hosseinian, Ozgun Erten, Basel Ramlawi, Gianluigi Bisleri, Massimo Bonacchi, Noah Sicouri, Gianluca Torregrossa, Francis P Sutter
OBJECTIVE: This study sought to identify periprocedural risk predictors that affect long-term prognosis in patients with chronic obstructive pulmonary disease (COPD) undergoing isolated coronary artery bypass grafting (CABG). METHODS: All consecutive 4,871 patients undergoing isolated CABG between May 2005 and June 2021 were included. Patients with and without COPD were compared for baseline demographics and preoperative characteristics. A propensity-matched analysis was used to compare the 2 groups...
January 1, 2024: Texas Heart Institute Journal
https://read.qxmd.com/read/38492848/palpation-and-fluoroscopy-are-valid-but-unreliable-for-the-assessment-of-femoral-tunnel-position-after-medial-patellofemoral-ligament-reconstruction
#10
JOURNAL ARTICLE
Laurie A Hiemstra, Sarah Kerslake, Treny M Sasyniuk, Mark R Lafave
OBJECTIVES: The purpose of this study was to evaluate the validity and reliability of two techniques, palpation and fluoroscopy, for assessing medial patellofemoral ligament (MPFL) reconstruction femoral tunnel position accuracy. METHODS: Twenty-one fresh frozen cadaveric knees had an MPFL femoral tunnel drilled and filled with a metal screw. Tunnels were created in a non-standard fashion to ensure the sample included a range of tunnel positions from poor to ideal...
March 14, 2024: Journal of ISAKOS
https://read.qxmd.com/read/38491950/susceptibility-of-mangifera-indica-sapindales-anacardiaceae-cultivars-to-fruit-flies-diptera-tephritidae-in-2-agroecological-zones-of-cameroon
#11
JOURNAL ARTICLE
Didi Gaëlle Mokam, Ndakabo Atougour, Zephirin Tadu, Désirée Chantal Aléné, Ezechiel Awono, Serge Lontsi Tapeo, Leonard Simon Ngamo Tinkeu, Champlain Djieto-Lordon
The Sudano-Sahelian and the high Guinea savannahs agroecological zones of Cameroon are suitable for the full development of tree crops, including mango. Unfortunately, fresh fruits exported to local and international markets are frequently rejected due to the presence of fruit fly larvae (Diptera: Tephritidae), resulting in drastic income losses and overuse of chemical control products. To promote sustainable management strategies, a 2-yr study (2020-2021) was conducted in 4 and 3 mixed orchards, respectively...
March 1, 2024: Journal of Insect Science
https://read.qxmd.com/read/38454816/valgus-malalignment-causes-increased-forces-on-a-medial-collateral-ligament-reconstruction-under-dynamic-valgus-loading-a%C3%A2-biomechanical-study
#12
JOURNAL ARTICLE
Christian Peez, Adrian Deichsel, Ivan Zderic, R Geoff Richards, Boyko Gueorguiev, Christoph Kittl, Michael J Raschke, Elmar Herbst
PURPOSE: To investigate the forces on a medial collateral ligament (MCL) reconstruction (MCLR) relative to the valgus alignment of the knee. METHODS: Eight fresh-frozen human cadaveric knees were subjected to dynamic valgus loading at 400 N using a custom-made kinematics rig. After resection of the superficial medial collateral ligament, a single-bundle MCLR with a hamstring tendon autograft was performed. A medial opening wedge distal femoral osteotomy was performed and fixed with an external fixator to gradually adjust the alignment in 5° increments from 0° to 10° valgus...
March 7, 2024: Knee Surgery, Sports Traumatology, Arthroscopy
https://read.qxmd.com/read/38447830/study-on-the-structural-characteristics-and-emulsifying-properties-of-chickpea-protein-isolate-citrus-pectin-conjugates-prepared-by-maillard-reaction
#13
JOURNAL ARTICLE
Yibo Liu, Xiaobing Guo, Ting Liu, Xuemei Fan, Xiyu Yu, Jian Zhang
Chickpea protein isolate (CPI) typically exhibits limited emulsifying properties under various food processing conditions, including pH variations, different salt concentrations, and elevated temperatures, which limits its applications in the food industry. In this study, CPI-citrus pectin (CP) conjugates were prepared through the Maillard reaction to investigate the influence of various CP concentrations on the structural and emulsifying properties of CPI. With the CPI/CP ratio of 1:2, the degree of graft reached 35...
March 4, 2024: International Journal of Biological Macromolecules
https://read.qxmd.com/read/38443784/transcriptome-and-metabolome-profiling-reveal-the-effects-of-hormones-on-current-year-shoot-growth-in-chinese-cuiguan-pear-grafted-onto-vigorous-rootstock-duli-and-dwarf-rootstock-quince-a
#14
JOURNAL ARTICLE
Zhenxu Liang, Qinghua Wang, Mingde Sun, Ruirui Du, Wanmei Jin, Songzhong Liu
BACKGROUND: Dwarf rootstocks have important practical significance for high-density planting in pear orchards. The shoots of 'Cuiguan' grafted onto the dwarf rootstock were shorter than those grafted onto the vigorous rootstock. However, the mechanism of shorter shoot formation is not clear. RESULTS: In this study, the current-year shoot transcriptomes and phytohormone contents of 'CG‒QA' ('Cuiguan' was grafted onto 'Quince A', and 'Hardy' was used as interstock) and 'CG‒DL' ('Cuiguan' was grafted onto 'Duli', and 'Hardy' was used as interstock) were compared...
March 5, 2024: BMC Plant Biology
https://read.qxmd.com/read/38430803/multiple-effects-of-dose-related-gm-csf-on-periodontal-resorption-in-deep-frozen-grafted-teeth-a-reverse-study
#15
REVIEW
Yue Chen, Min Zhou, Juanxiu Liu, Junzhou Chi, Xin Yang, Qin Du, Xiaohua Ren, Kun Tian
Autologous tooth grafting is a dental restorative modality based on periodontal ligament healing.Human periodontal ligament stem cells(PDLSCs) are involved in the formation and remodeling of periodontal tissue.Based on previous findings, the proliferation and differentiation of processing cryopreserved periodontal ligament stem cells (PDLSCs) exhibit similarities to those of fresh cells. However, there is evident absorption in the transplanted frozen tooth's roots and bones, with the underlying cause remaining unknown...
March 1, 2024: International Immunopharmacology
https://read.qxmd.com/read/38428952/fresh-frozen-in-alcohol-or-autologous-costal-cartilage-analysis-of-complications-in-over-650-revision-rhinoplasties
#16
JOURNAL ARTICLE
Michele Pascali, Marco Gratteri, Luca Savani, Umberto Rega, Gloria Marchese, Paolo Persichetti
BACKGROUND: When autologous septal cartilage is not enough or even not disposable for graft sculpting in revision rhinoplasty, valid alternatives have to be found. Both autologous and homologous costal cartilage usage has been described in scientific literature. As there is no universally accepted consensus on the cartilage choice to use in these cases, the experiences with the different types of cartilage usage assume significant importance in the rhinoplasty learning process. OBJECTIVES: This multicenter prospective study outlined an overview of the authors' experience regarding short-term and long-term complications following revision rhinoplasty procedures in which either fresh frozen (FFCC), in-alcohol (IACC) or autologous costal cartilage (ACC) was used...
March 1, 2024: Aesthetic Surgery Journal
https://read.qxmd.com/read/38421076/evaluation-of-aquios-stem-a-novel-method-for-automated-cd34-stem-cell-enumeration-using-flow-cytometry
#17
JOURNAL ARTICLE
Kim Callebaut, Eva Gijbels, Jonathan Vanbesien, Dries Deeren, Jan Van Droogenbroeck, Jan Emmerechts, Elisabeth Moreau
OBJECTIVES: Hematopoietic stem cell transplantation (HSCT) is a potentially curative treatment for various diseases. The measurement of CD34+ cells is crucial to schedule the peripheral blood stem cell collection and assess the engraftment potential of the apheresis product. The AQUIOS STEM system has been introduced as a novel application on the AQUIOS CL, a fully automated flow cytometer, for the enumeration of CD34+ hematopoietic progenitor cells (HPCs) in accordance with the The International Society for Hematotherapy and Graft Engineering guidelines...
February 29, 2024: International Journal of Laboratory Hematology
https://read.qxmd.com/read/38413344/the-adherence-to-an-intraoperative-blood-product-transfusion-algorithm-is-associated-with-reduced-blood-product-transfusions-in-cardiac-surgical-patients-undergoing-coronary-artery-bypass-grafts-and-aortic-and-or-valve-replacement-surgery-a-single-center-observational
#18
JOURNAL ARTICLE
Megan Lanigan, Daniel Siers, Megan Schramski, Andrew Shaffer, Ranjit John, Ryan Knoper, Stephen Huddleston, Lauren Gunn-Sandell, Alexander Kaizer, Tjorvi E Perry
OBJECTIVE: To demonstrate the value of a viscoelastic-based intraoperative transfusion algorithm to reduce non-RBC product administration in adult cardiac surgical patients. DESIGN: A prospective observational study. SETTING: At a quaternary academic teaching hospital. PARTICIPANTS: Cardiac surgical patients. INTERVENTIONS: Viscoelastic-based intraoperative transfusion algorithm. MEASUREMENTS AND MAIN RESULTS: The study authors compared intraoperative blood product transfusion rates in 184 cardiac surgical patients to 236 historic controls after implementing a viscoelastic-based algorithm...
February 1, 2024: Journal of Cardiothoracic and Vascular Anesthesia
https://read.qxmd.com/read/38388175/accelerated-versus-standard-rehabilitation-after-meniscus-allograft-transplantation-in-the-knee
#19
JOURNAL ARTICLE
Kylee Rucinski, James P Stannard, Cory R Crecelius, Clayton W Nuelle, James L Cook
Meniscus allograft transplantation (MAT) is a proven treatment option for patients with symptomatic irreparable meniscus deficiency. When patients are adherent to prescribed post-operative restriction and rehabilitation protocols, outcomes after MAT are considered good to excellent. However, nonadherence to standard protocols is common and can be associated with undesirable outcomes and patient dissatisfaction. Based on demonstrated safety for early weightbearing following MAT in conjunction with significant advances in graft preservation and surgical techniques, our joint preservation center implemented a shift in practice towards accelerated weightbearing following MAT and designed this study to test the hypothesis that accelerated rehabilitation would be associated with superior adherence, patient-reported outcomes, and patient satisfaction, without diminishing patient safety, when compared to standard rehabilitation...
February 22, 2024: Journal of Knee Surgery
https://read.qxmd.com/read/38388104/osteochondral-allograft-transplantation-in-the-knee
#20
JOURNAL ARTICLE
Clayton W Nuelle, Pablo E Gelber, Brian R Waterman
Osteochondral injuries of the knee can be a frequent source of debilitating pain and dysfunction. Significant chondral (>1.5-2 cm2 ) lesions of the femoral condyles can be especially difficult to manage with nonsurgical measures. Fresh osteochondral allograft (OCA) transplantation has been shown to be a reliable surgical procedure to manage a wide array of high-grade focal chondral lesions, with or without subchondral bone involvement. OCA transplantation affords the transfer of a size-matched allograft of mature hyaline cartilage with its associated subchondral bony scaffold...
March 2024: Arthroscopy
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