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Introduction: For several years, ropivacaine has been the standard-of-care for establishing postoperative femoral nerve block in total knee arthroplasty (TKA) setting and is still widely in use but new approaches such as the patient-controlled administration of sublingual sufentanil tablets system (SSTS) seem to offer good clinical results. Our aim is to compare the SSTS to single shot peri-nervous injection of ropivacaine (single shot) after TKA in terms of effectiveness in pain management and of time to recovery. Materials and methods: A total of 165 patients undergoing TKA were enrolled. Eighty-four patients were randomly allocated in the SSTS group and 81 patients in the single shot group. The primary objective of the study was to evaluate performance of Timed Up and Go test. Secondary objectives were to measure the length of stay, NRS pain scale, the adherence to the prescribed plan, the joint mobility, the frequency of rescue analgesic use, side effects and patients' satisfaction. Results: Of all patients of the single shot group, 64 were withdrawn from the study as they unable to achieve pain control; only one patient was withdrawn from the SSTS group. Times for the "Timed Up and Go" test on the 3rd postoperative day were 8.4 ± 1.6 and 11.8 ± 3.6 in the SSTS group (n = 83) and single shot group (n = 17), respectively (p <.001). Conclusions: SSTS provides better pain management when compared to peri-nervous ropivacaine single shot injection after TKA. [ABSTRACT FROM AUTHOR]

Purpose: To highlight the most relevant contributions of the Italian Renaissance surgeon Girolamo Fabrizi d'Acquapendente in the field of orthopaedics and traumatology.Methods: An extensive research on the life and achievements of Girolamo Fabrizi was conducted on University Libraries as well as on electronic databases like PubMed.Results: Girolamo Fabrizi d'Acquapendente is known for his embryology and physiology studies, particularly on sensory organs and blood circulation. He founded the world's first permanent anatomical theater established at the University of Padua and inaugurated in 1595. His most notable publications include surgical and definitely orthopedics works such as "De fracturis" (On fractures) and "De luxationibus" (On joint displacement). He outlined some principles of treatment that are still valid nowadays such as anatomical reduction and stabilization of the fracture, that were applied using the equipment available at that time. He described and illustrated maneuvers and instruments, such as pulleys, winches, splint, and bandages. He further depicted the famous "Oplomochlion" ("the armored man"), which is actually a collection of all of the braces used at the time to correct congenital and post-traumatic deformities.Conclusion: Bracing and prosthetic replacements have accompanied medical history throughout the centuries, from Ancient Egypt to the present, but it was the ingenuity of Renaissance surgeons that pushed biomedical technology to new heights: Girolamo Fabrizi d'Acquapendente was one of the most illustrious contributors to these great achievements. [ABSTRACT FROM AUTHOR]

The science and surgery of the meniscus have evolved significantly over time. Surgeons and scientists always enjoy looking forward to novel therapies. However, as part of the ongoing effort at optimizing interventions and outcomes, it may also be useful to reflect on important milestones from the past. The aim of the present manuscript was to explore the history of meniscal surgery across the ages, from ancient times to the twenty-first century. Herein, some of the investigations of the pioneers in orthopaedics are described, to underline how their work has influenced the management of the injured meniscus in modern times. Level of evidence V. [ABSTRACT FROM AUTHOR]

Several eminent surgeons made breakthroughs in knee surgery throughout the nineteenth and twentieth centuries. Before that, knee injuries were only treated conservatively and it was thanks to the progress made in the field of biomechanics and biology that new surgical treatments were proposed. The history of medicine recalls some illustrious surgeons such as Thomas Annandale and Mayo Robson who were the first to perform and describe their revolutionary experience regarding meniscal and anterior cruciate ligament surgery. Less famous are the forefathers of multi-ligament reconstructive surgery: the purpose of this paper was to shed some light on the pioneers of this particular field of orthopaedic practice, which is gaining increasing interest in current clinical practice. Level of evidence V. [ABSTRACT FROM AUTHOR]

Purpose: The aim of this review was to analyze the available evidence on the clinical application of this biological approach for the injective treatment of cartilage lesions and joint degeneration, together with preclinical studies to support the rationale for the use of platelet concentrates, to shed some light and give indications on what to treat and what to expect from intra-articular injections of platelet-rich plasma (PRP). Methods: All in vitro, in vivo preclinical and clinical studies on PRP injective treatment in the English language concerning the effect of PRP on cartilage, synovial tissue, menisci, and mesenchymal stem cells were considered. A systematic review on the PubMed database was performed using the following words: (platelet-rich plasma or PRP or platelet concentrate or platelet lysate or platelet supernatant) and (cartilage or chondrocytes or synoviocytes or menisci or mesenchymal stem cells). Results: Fifty-nine articles met the inclusion criteria: 26 were in vitro, 9 were in vivo, 2 were both in vivo and in vitro, and 22 were clinical studies. The analysis showed an increasing number of published studies over time. Preclinical evidence supports the use of PRP injections that might promote a favourable environment for joint tissues healing. Only a few high-quality clinical trials have been published, which showed a clinical improvement limited over time and mainly documented in younger patients not affected by advanced knee degeneration. Conclusions: Besides the limits and sometimes controversial findings, the preclinical literature shows an overall support toward this PRP application. An intra-articular injection does not just target cartilage; instead, PRP might influence the entire joint environment, leading to a short-term clinical improvement. Many biological variables might influence the clinical outcome and have to be studied to optimize PRP injective treatment of cartilage degeneration and osteoarthritis. [ABSTRACT FROM AUTHOR]

Platelet-rich plasma (PRP) has been introduced in the clinical practice to treat a growing number of different musculoskeletal pathologies. It is currently applied in the treatment of Achilles and patellar tendinopathies, which are common sport-related injuries very challenging to manage. Aim of the present paper was to review systematically the available clinical evidence concerning the application of PRP in the treatment of patellar and Achilles tendinopathy. A systematic review of the literature was performed according to the following inclusion criteria for relevant articles: (1) clinical reports of any level of evidence, (2) written in the English language, (3) with no time limitation and (4) on the use of PRP to treat conservatively Achilles and patellar tendinopathy. Twenty-two studies were included and analyzed. Two studies on patellar tendinopathy were randomized controlled trials (RCTs), whereas just one RCT was published on Achilles tendon. All the papers concerning patellar tendon reported positive outcome for PRP, which proved to be superior to other traditional approaches such as shock-wave therapy and dry needling. In the case of Achilles tendon, despite the encouraging findings reported by case series, the only RCT available showed no significant clinical difference between PRP and saline solution. The main finding of this study was the paucity of high-level literature regarding the application of PRP in the management of patellar and Achilles tendinopathy. However, the clinical data currently available, although not univocal, suggest considering PRP as a therapeutic option for recalcitrant patellar and Achilles tendinopathies. [ABSTRACT FROM AUTHOR]

Purpose: Although traditionally not indicated for the treatment of osteoarthritis (OA), regenerative procedures are becoming a focus of increased interest due to their potential to provide pain relief and alter the progression of degenerative diseases. The purpose of this study was to assess whether a combined biomechanical and biological approach could offer good results in unicompartmental OA, thus delaying the need for unicompartmental arthroplasty in patients too young or refusing metal resurfacing. Methods: Forty-three patients (mean age = 40.1 ± 11 years, 33 men and 10 women, mean BMI = 25 ± 3) affected by unicompartmental OA (Kellegren-Lawrence score = 3) in stable joints were enrolled and treated consecutively. Fifteen patients were treated with osteotomy and osteochondral biomimetic scaffold implant (3 of them also with meniscal substitution), 11 with osteotomy and meniscal scaffold implant, 9 with osteotomy and meniscal allograft implant, and 8 with both cartilage and meniscal reconstruction, depending on the specific joint compartment main requirements. Clinical evaluation was performed at 3-year (2-4) median follow-up using the following scoring systems: IKDC subjective and objective, VAS for pain, and Tegner scores. Failures, adverse events, and complications were also reported. Results: The IKDC subjective score improved from 47.3 to 79.6 at the final evaluation ( p < 0.0005), VAS improved from 6.1 to 2.3 ( p < 0.0005), and also sport activity level evaluated with the Tegner score showed a significant improvement, from 2 (1-5) to 4 (3-10; p < 0.0005), even if without achieving the pre-injury level (6, p = 0.001). A further subanalysis confirmed the positive outcome obtained in all the treatment subgroups and showed a higher clinical improvement in patients under the age of 40 years (IKDC subjective 84.4 ± 13.2 vs 76.5 ± 17.3; p = 0.03). Conclusion: This integrated biological and biomechanical approach produced a marked improvement at short-medium follow-up in patients affected by unicompartmental OA. Even though a good outcome was achieved at all ages, patients under the age of 40 years presented a greater clinical and subjective improvement. Longer follow-up studies are needed to show results over time and confirm this approach as an effective alternative to unicompartmental implants. Level of evidence: Case series, Level IV. [ABSTRACT FROM AUTHOR]