Publications by authors named "Amir Ardakani"

Aims: Venous thromboembolism (VTE) is a potential complication of foot and ankle surgery. There is a lack of agreement on contributing risk factors and chemical prophylaxis requirements. The primary outcome of this study was to analyze the 90-day incidence of symptomatic VTE and VTE-related mortality in patients undergoing foot and ankle surgery and Achilles tendon (TA) rupture.

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The fibularis longus attaches to the base of the first metatarsal at the fibularis/peroneus longus tubercle (FLT/PLT). Theoretically, differences in FLT morphology may reflect changes in the function of the fibularis longus. This study defines the normal limits of the FLT position, orientation, and size in patients with morphologically normal foot anatomy.

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: The aim of this study is to determine MRI features that may be prognostic indicators of local recurrence (LR) in patients treated with curettage and cementation of atypical cartilaginous tumours (ACTs) in the appendicular skeleton. : This study is a retrospective review of adult patients with histologically confirmed appendicular ACT. The data collected included age, sex, skeletal location and histology from curettage, the presence of LR and oncological outcomes.

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It is estimated that more than half of all cancers develop bony metastases, exacting a substantial cost in terms of patient quality of life and healthcare expenses. Prompt diagnosis and management have been shown to reduce morbidity and costs. When a patient with a history of cancer presents with musculoskeletal pain, heightened awareness of the risk of bone metastasis should prompt immediate referral to an orthopedic specialist.

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Article Synopsis
  • The study focuses on the treatment of primary bone and soft tissue sarcomas, highlighting the challenges of achieving complete surgical excision, which is crucial for preventing recurrence and ensuring patient survival.
  • A retrospective analysis examined 567 patients who had positive margins after surgery at a specialized hospital, revealing that unexpected positive margins occurred in 23 patients, leading to varying recurrence rates based on subsequent treatment options.
  • Results indicated a significant recurrence rate of 30.4% among those with positive margins, emphasizing the importance for surgeons to recognize scenarios that lead to positive margins and their implications for patient outcomes.
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The recognition of a malignant soft tissue mass can be challenging, given the rarity of soft tissue sarcoma and the extensive overlap between benign and malignant presentations. Awareness of the signs and symptoms of soft tissue sarcoma in primary care practice ensures prompt referral to a sarcoma center for appropriate assessment and treatment to optimize outcomes.

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Objective: To describe the MRI features of paediatric conventional central chondrosarcoma (CC-CS) and correlate with histological grade.

Materials And Methods: A retrospective review of children/adolescents with histologically confirmed CC-CS. Data collected included age, sex, skeletal location, and histology from needle biopsy or resection, which was classified as atypical cartilaginous tumours/grade 1 CS (ACT/Gd 1 CS), high-grade chondrosarcoma (HGCS), and dedifferentiated chondrosarcoma (DD-CS).

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Background: Multipotent Mesenchymal Stromal Cells (MSCs) are the most common type of stem cell used in the regeneration of skeletal tissue. These cells have multipotent, angiogenic, paracrine, anti-fibrotic and immunological properties. They are readily available, easily isolated and have many therapeutic applications.

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A challenge in three-dimensional tissue culture remains the lack of quantitative information linking nutrient delivery and cellular distribution. Both in vivo and in vitro, oxygen is delivered by diffusion from its source (blood vessel or the construct margins). The oxygen level at a defined distance from its source depends critically on the balance of diffusion and cellular metabolism.

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In the title compound, C(13)H(9)BrFNO, the dihedral angle between the substituted benzene rings is 9.00 (11)°. Strong intra-molecular O-H⋯N hydrogen bonds generate S(6) ring motifs.

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In the title compound, C(13)H(9)BrClNO, the dihedral angle between the substituted benzene rings is 43.90 (11)°. Strong intra-molecular O-H⋯N hydrogen bonds generate S(6) ring motifs.

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