Publications by authors named "Mumin Cao"

Background: An effective and appropriate method to support the ankle joint optimally is particularly important during the healing phase of ankle fractures. The purpose of this review was to assess the functional outcomes, ankle-related quality of life, and associated complications of cast immobilization versus removable braces for the treatment of adult ankle fractures.

Methods: Studies comparing cast immobilization and removable braces after ankle fracture were included by systematic searches of PubMed/MEDLINE, Web of Science, Scopus, and EMBASE databases according to PRISMA (Preferred Reporting Items for Systematic Evaluation and Meta-Analysis Statements) guidelines.

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Background: The aim of this meta-analysis was to investigate the efficacy and safety of intra-articular injection of mesenchymal stem cells (MSCs) alone for the treatment of unoperated knee osteoarthritis (OA).

Methods: Four databases were systematically searched (before August 1, 2024) to include randomized controlled trials (RCTs) of MSCs for OA. The population of this study was OA patients who had not received any surgical treatment.

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Background: Tranexamic acid (TXA) is considered a potential therapeutic approach to mitigate postoperative inflammatory responses; however, its anti-inflammatory effects remain controversial. This study conducts a systematic review and meta-analysis of randomized controlled trials aiming to investigate the efficacy of multi-dose TXA in exerting anti-inflammatory effects in hip and knee arthroplasty.

Methods: We identified potential relevant literature evaluating the anti-inflammatory effects of TXA in patients undergoing hip and knee arthroplasty from PubMed, Embase, and the Cochrane Library.

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Background: Osteosarcopenia is a geriatric syndrome associated with an increased risk of frailty, falls, fractures, disability, and death. Calf circumference (CC) has been used as a simple and practical skeletal muscle marker to diagnose sarcopenia. This study aimed to explore the relationship of calf circumference and osteoporosis (OP) and hip fractures (HF) in middle-aged and older adults.

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Sarcopenia, as a disease characterized by progressive decline of quality, strength, and function of muscles, has posed an increasingly significant threat to the health of middle-aged and elderly individuals in recent years. With the continuous deepening of studies, the concept of gut-muscle axis has attracted widespread attention worldwide, and the occurrence and development of sarcopenia are believed to be closely related to the composition and functional alterations of gut microbiota. In this review, combined with existing literatures and clinical reports, we have summarized the role and impacts of gut microbiota on the muscle, the relevance between gut microbiota and sarcopenia, potential mechanisms of gut microbiota in the modulation of sarcopenia, potential methods to alleviate sarcopenia by modulating gut microbiota, and relevant advances and perspectives, thus contributing to adding more novel knowledge to this research direction and providing certain reference for future related studies.

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Article Synopsis
  • Tendinopathy is a complex condition marked by persistent pain and structural damage in tendons, making treatment notably challenging due to its unclear causes.
  • The role of tendon stem/progenitor cells (TSPCs) is crucial for tendon health and repair, and there is a growing theory that improper differentiation of these cells may contribute to tendinopathy.
  • Recent research is exploring how TSPCs change in response to various types of tendinopathy, with the erroneous differentiation theory showing promise for future clinical therapies aimed at managing the condition.
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Tendon repair remains challenging due to its poor intrinsic healing capacity, and stem cell therapy has emerged as a promising strategy to promote tendon regeneration. Nevertheless, the inflammatory environment following acute tendon injuries disrupts stem cell differentiation, leading to unsatisfied outcomes. Our study recognized the critical role of NF-κB signaling in activating inflammation and suppressing tenogenic differentiation of stem cells after acute tendon injury via multiomics analysis.

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Disorders of the musculoskeletal system are the major contributors to the global burden of disease and current treatments show limited efficacy. Patients often suffer chronic pain and might eventually have to undergo end-stage surgery. Therefore, future treatments should focus on early detection and intervention of regional lesions.

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Purpose: To assess the relationship between dislocation and functional outcomes in supination-external rotation (SER) ankle fractures.

Methods: A retrospective case series study was performed on patients with ankle fractures treated surgically at a large trauma center from January 2015 to December 2021. The inclusion criteria were young and middle-aged patients of 18-65 years with SER ankle fractures that can be classified by Lauge-Hansen classification and underwent surgery at our trauma center.

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There is an inseparable link between bone metabolism and gut microbiota, and the supplementation of probiotics exhibits a significant role in maintaining the homeostasis of gut microbiota and inhibiting bone loss. This study aims to explore the preventive and therapeutic potentials and the specific mechanisms of on osteoporosis. The mice models of osteoporosis induced by ovariectomy (OVX) were built, and the regular (once a day) and quantitative (200 μL/d) gavage of was performed for 8 weeks starting from 1 week after OVX.

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Background: Osteosarcopenia is a syndrome coexisting sarcopenia and osteopenia/osteoporosis, with a high fracture risk. Recently, skeletal muscle and bone have been recognized as endocrine organs capable of communication through secreting myokines and osteokines, respectively. With a deeper understanding of the muscle-bone crosstalk, these endocrine signals exhibit an important role in osteosarcopenia development and fracture healing.

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It has been demonstrated that the disturbance of gut microbiota (GM) is closely related to the reduction of bone mass and incidence of osteoporosis (OP). The aim of this study is to investigate whether the supplementation of (Ph) can prevent the bone loss in mice with ovariectomy (OVX)-mediated OP, and further explore relevant mechanisms. Regular (once a day for 8 consecutive weeks) and quantitative (200 µL/d) perfusion of Ph (the bacteria that orally gavaged) was conducted starting from 1 week after the construction of mice models.

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Article Synopsis
  • Postoperative pulmonary complications (PPCs) are common in older patients with hip fractures, with low oxygen levels being a significant risk factor; thus, a randomized controlled trial (RCT) will investigate the effects of an awake prone position (APP) on improving oxygen levels post-surgery.
  • Eligible participants over 65 will be randomly assigned to either a control group receiving standard care or an APP group for the first three days after their surgery, with outcomes measured including arterial oxygen levels, incidence of PPCs, and hospital stays.
  • The study aims to provide insights into the effectiveness of APP in reducing PPCs and enhancing oxygenation in geriatric hip fracture patients, and has received ethical approval for implementation.
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Age-related tendon disorders are closely linked with tendon stem/progenitor cell (TSPC) senescence. However, the underlying mechanisms of TSPC senescence and promising therapeutic strategies for rejuvenation of TSPC senescence remain unclear. In this study, the senescent state of TSPCs increased with age.

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Osteoporosis (OP) is the most prevalent metabolic bone disease, characterized by the low bone mass and microarchitectural deterioration of bone tissue. Glucocorticoid (GC) clinically acts as one of the anti-inflammatory, immune-modulating, and therapeutic drugs, whereas the long-term use of GC may cause rapid bone resorption, followed by prolonged and profound suppression of bone formation, resulting in the GC-induced OP (GIOP). GIOP ranks the first among secondary OP and is a pivotal risk for fracture, as well as high disability rate and mortality, at both societal and personal levels, vital costs.

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Background: Surgery is the preferred treatment option for the elderly patients with hip fractures. However, the choice of general anesthesia (GA) or regional anesthesia (RA) remains controversial. The quality of evidence has further improved with the advent of several high-quality randomized clinical trials (RCTs) in the last two years.

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Age-related tendon disorder, a primary motor system disease, is characterized by biological changes in the tendon tissue due to senescence and seriously affects the quality of life of the elderly. The pathogenesis of this disease is not well-understood. Tendon stem/progenitor cells (TSPCs) exhibit multi-differentiation capacity.

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Osteoporosis is a systemic metabolic bone disease characterized by the descending bone mass and destruction of bone microstructure, which tends to result in the increased bone fragility and associated fractures, as well as high disability rate and mortality. The relation between gut microbiota and bone metabolism has gradually become a research hotspot, and it has been verified that gut microbiota is closely associated with reduction of bone mass and incidence of osteoporosis recently. As a novel "organ transplantation" technique, fecal microbiota transplantation (FMT) mainly refers to the transplantation of gut microbiota from healthy donors to recipients with gut microbiota imbalance, so that the gut microbiota in recipients can be reshaped and play a normal function, and further prevent or treat the diseases related to gut microbiota disorder.

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Osteoporosis (OP) is a systemic bone disease characterized by the decreased bone mass and destruction of bone microstructure, which tends to result in the enhanced bone fragility and related fractures, as well as high disability rate and mortality. Exercise is one of the most common, reliable and cost-effective interventions for the prevention and treatment of OP currently, and numerous studies have revealed the close association between gut microbiota (GM) and bone metabolism recently. Moreover, exercise can alter the structure, composition and abundance of GM, and further influence the body health via GM and its metabolites, and the changes of GM also depend on the choice of exercise modes.

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Background: Osteoporosis (OP) is a systemic metabolic bone disease characterized by decreased bone mass and destruction of bone microstructure, which tends to result in enhanced bone fragility and related fractures. The postmenopausal osteoporosis (PMOP) has a relatively high proportion, and numerous studies reveal that estrogen-deficiency is related to the imbalance of gut microbiota (GM), impaired intestinal mucosal barrier function and enhanced inflammatory reactivity. However, the underlying mechanisms remain unclear and the existing interventions are also scarce.

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Background: Ankle fracture-dislocations are one of the most severe types of ankle injuries. Compared to the simple ankle fractures, ankle fracture-dislocations are usually more severely traumatized and can cause worse functional outcomes. The purpose of this study was to review the previous literatures to understand the anatomy, mechanisms, treatment, and functional outcomes associated with ankle fracture-dislocations.

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Background: With the increasing evidence provided by recent high-quality studies, the intravenous iron appears to be a reliable therapy for blood administration in geriatric patients with hip fractures. Here, this systematic review and meta-analysis were aimed to assess the effectiveness and safety of intravenous iron in geriatric patients sustaining hip fractures.

Methods: Potential pertinent literatures evaluating the effects of intravenous iron in the geriatric patients undergoing hip fractures were identified from Web of Science, PubMed, Embase, and Scopus.

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Osteoporosis (OP) is a systemic disease characterized by decreased bone mass and degeneration of bone microstructure. In recent years, more and more researches have focused on the close relationship between gut microbiota (GM) and the occurrence and progression of OP, and the regulation of probiotics and prebiotics on bone metabolism has gradually become a research hotspot. Based on the influence of brain-gut-bone axis on bone metabolism, this review expounds the potential mechanisms of probiotics and prebiotics on OP from next perspectives: regulation of intestinal metabolites, regulation of intestinal epithelial barrier function, involvement of neuromodulation, involvement of immune regulation and involvement of endocrine regulation, so as to provide a novel and promising idea for the prevention and treatment of OP in the future.

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Supination external rotation (SER) type ankle fracture is the most common ankle fracture in the Lauge-Hansen classification and is often accompanied with syndesmotic injury. However, the mechanism of this injury is indistinct and a suggestive role can be given by preoperative imaging. This study was to preoperatively predict whether SER type ankle fractures are accompanied with syndesmotic injuries by the means of lateral malleolus fracture mapping.

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Currently, little is known regarding the association between dietary choline intake and osteoporosis in elderly individuals, as well as if such intakes affect bone health and result in fractures. This study was aimed to examine associations between daily dietary choline intake and osteoporosis in elderly individuals. A total of 31 034 participants from the National Health and Nutritional Examination Survey (NHANES) during 2005-2010 were enrolled, and 3179 participants with complete data and aged 65 years and older were identified.

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