ArticleActa orthopaedica et traumatologica turcica2023
Factors affecting the features of platelet-rich plasma in patients with knee osteoarthritis.
Article in Acta orthopaedica et traumatologica turcica, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- A single intra-articular stromal vascular fraction with platelet-rich plasma injection yields superior clinical outcomes than a hyaluronic acid injection in patients with knee osteoarthritis: A prospective comparative study.Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA · 2026Article
- Superior clinical outcomes with combined intra-articular platelet-rich plasma and hyaluronic acid compared with hyaluronic acid alone in knee osteoarthritis: A prospective comparative study.Journal of experimental orthopaedics · 2026Article
- Raising the bar: The EBOT-TK Turkish Oral Exam milestone and AOTT's commitment to orthopaedic education.Acta orthopaedica et traumatologica turcica · 2025Article
- The Effect of Exosome Size in Platelet-Rich Plasma on Outcomes in Patients Treated for Knee Osteoarthritis.Orthopaedic journal of sports medicine · 2025Article
- Platelet-rich plasma in peripheral nerve injury repair: a comprehensive review of mechanisms, clinical applications, and therapeutic potential.Experimental biology and medicine (Maywood, N.J.) · 2025Review
- Platelet-rich plasma improves pain and function in knee osteoarthritis: a retrospective study.Frontiers in physiology · 2025Article
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4 authors.
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Abstract
objectiveThe aim of this study was to present an analysis of platelet-rich plasma obtained from patients with knee osteoarthritis and reveal the factors affecting its features.
methodsA total of 62 patients (mean age: 56.68 ± 7.13 years) with symptomatic knee osteoarthritis were included in this study. Age (years), gender, height (m), weight (kg), body mass index (kg/m2), duration of symptoms, smoking status, smoking index, general health status, and physical activity scores were recorded. Whole blood and platelet-rich plasma cell counts were performed with a hematology analyzer. White blood cell, red blood cell, and platelet counts were recorded. According to the dose of injected platelets, efficiency of the procedure, purity of platelet-rich plasma, and activation classification, dose of platelets, efficiency of the procedure (platelet recovery rate, %), and purity of the obtained platelet-rich plasma product (relative composition in platelets, %) were calculated. Correlation analysis between the features of platelet-rich plasma and the patient-related variables, including age, gender, body mass index, smoking status, smoking index, presence of other health conditions, physical activity scores, duration of symptoms, and pain levels, was performed.
resultsDose of injected platelets, efficiency of the procedure, purity of platelet-rich plasma, and activation analysis showed that the dose of injected platelets was 3.25 billion, the efficiency of the process was 77%, and the purity rate of the platelet-rich plasma was 98.4%. Platelet-rich plasma platelet count was correlated with whole blood platelet count (r = 0.81, P < .001), whole blood white blood cell count (r = 0.39, P = .002), smoking status (r = 0.56, P = .03), smoking index (r = -0.63, P = .002), and the presence of hypertension (r = -0.31, P=.04). Platelet-rich plasma white blood cell and purity of platelet-rich plasma were correlated with the smoking status of the patients (r = 0.52, P = .01; r = 0.64, P = .003, respectively).
conclusionThis study has demonstrated that high dose and very pure platelet-rich plasma with medium efficiency was yielded with this platelet-rich plasma preparation procedure; whole blood platelet count, the presence of hypertension, and the smoking status of patients affect the features of the obtained platelet-rich plasma. LEVEL OF EVIDENCE: Level IV, Diagnostic Study.
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