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Over the years, possibilities in ankle arthroscopy have evolved from diagnostic inspection to complex interventional procedures. Further innovation may come from needle arthroscopy, which has improved substantially in image quality in recent years and can now be used for interventional procedures as well. We here present a standardized approach to wide-awake needle arthroscopy of the anterior ankle under local anesthesia. As new needle arthroscopic procedures of the ankle arise, this approach serves to help ensure safe, uniform, and beneficial adoption of this emergent technique.
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Objectives: This study aimed to determine the incidence rate and characterise the location and severity of cartilage lesions in the ankle in elite athletes undergoing suture-button stabilisation for unstable distal syndesmotic injuries using needle arthroscopic examination. The feasibility and safety of ad hoc needle arthroscopy and its assisted interventions were also assessed. Methods: This prospective case series included elite athletes undergoing surgical stabilisation between April 2021 and June 2023. Procedures involved suture button fixation and needle arthroscopy, conducted by a single ankle fellow-trained surgeon. Ankle cartilage lesions were graded using the Cheng and Ferkel classification and located using the nine-zone grid. The study followed the STROBE statement. Results: This study included 16 elite athletes undergoing surgery for distal syndesmotic injuries, with 75% having acute and 25% chronic injuries. Cartilage lesions were prevalent (n=15/16, 94%), mainly at the talar dome (90%), and primarily scored as grade 1 (33%) or grade 2 (67%). Distal tibia cartilage damage occurred in 13% of cases. All patients were diagnosed with an instability of the syndesmosis confirmed through needle arthroscopy and were treated with a suture button (one or two buttons) fixation. Conclusion: In 15/16 elite athletes with syndesmotic injuries, concomitant ankle cartilage lesions were identified through needle arthroscopy. In addition, most of the lesions were classified as grade 1 or 2, denoting superficial damage. Needle arthroscopic interventions proved feasible and safe for confirming syndesmotic instability and addressing intra-articular pathologies.
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OBJECTIVE: To compare cartilage quality after different surgical interventions for osteochondral lesions of the talus (OLT), evaluated by second-look arthroscopy. Secondary aims were to report concomitant diagnoses, and to correlate cartilage quality with clinical and radiological outcomes. This review hypothesizes that the cartilage repair after bone marrow stimulation (BMS) is inferior to the other available treatment options. METHODS: PROSPERO ID: CRD42022311489. Studies were retrieved through PubMed, EMBASE (Ovid), and Cochrane Library. Studies were included if they reported cartilage quality after second-look investigation after surgical treatment of OLT. The primary outcome measure was the cartilage quality success and failure rates (%) per surgical intervention group. Correlations between the cartilage quality and clinical or radiological outcomes were calculated. RESULTS: Twenty-nine studies were included, comprising 586 ankles that had undergone second-look arthroscopy on average 16 months after initial surgery. The success rate for BMS was 57% (95% confidence interval [CI] = 48%-65%), for fixation (FIX) 86% (95% CI = 70%-94%), for osteo(chondral) transplantation (OCT) 91% (95% CI = 80%-96%), for cartilage implementation techniques (CITs) 80% (95% CI = 69%-88%), and for retrograde drilling 100% (95% CI = 66%-100%). The success rate of BMS was significantly lower than FIX, OCT, and CIT (P < 0.01). There were no significant differences between other treatment groups. A moderate positive significant correlation between the Magnetic Resonance Observation of Cartilage Repair Tissue (MOCART) score and the International Cartilage Repair Society score (ICRS) was found (ρ = 0.51, P < 0.001). CONCLUSIONS: Successful restoration of cartilage quality was found in the majority of surgically treated OLTs. However, BMS yields inferior cartilage quality compared with FIX, OCT, and CIT. Study Design. Systematic review and meta-analysis. Level of evidence. Level IV, systematic review and meta-analysis.
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PURPOSE: Ankle osteoarthritis severely impacts patients' mental and physical quality of life. Besides total ankle replacement and ankle arthrodesis, ankle distraction has been shown to be a promising alternative. The primary aim of the present study was to determine the annual revision rates (ARRs) after ankle distraction. The secondary aim was to obtain an overview of patient-reported outcome measures and functional outcomes. METHODS: A literature search until November 2023 was performed. Methodological quality was assessed using the methodological index for non-randomised studies criteria. Primary outcome was the ARR which was log-transformed and pooled using a random effects model. Secondary outcomes were pooled using a simplified pooling technique and included the American Orthopaedic Foot & Ankle Society Ankle-Hindfoot Scale (AOFAS), range of motion (ROM) and post-operative complications. RESULTS: The literature search resulted in 287 articles, of which 10 studies, comprising 602 patients, were included. The patients had a pooled mean age of 47 years (range of means: 40-68) and a mean follow-up of 35 months (range of means: 24-48). The overall methodological quality was moderate to fair. The pooled ARR after ankle distraction was 4% (95% confidence interval [CI], 3%-7%). Pooling of AOFAS showed mean 26-point improvement (from 54 to 80). Additionally, ROM dorsiflexion improved at 5°, and the plantarflexion remained at 31°. The overall complication rate was 41% (95% CI, 35%-48%), of which 77% (95% CI, 67%-85%) were pin-tract infections. CONCLUSION: Ankle distraction results in an ARR of 4% (95% CI, 3%-7%) with clinically relevant improved AOFAS scores. The overall complication rate is 41% and is mainly attributable to treatable pin-tract infections (77% of recorded complications). LEVEL OF EVIDENCE: Level IV, Systematic Review and Meta-Analysis.
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Articulação do Tornozelo , Osteoartrite , Reoperação , Humanos , Osteoartrite/cirurgia , Articulação do Tornozelo/cirurgia , Reoperação/estatística & dados numéricos , Amplitude de Movimento Articular , Complicações Pós-Operatórias/epidemiologia , Medidas de Resultados Relatados pelo PacienteRESUMO
Cartilage and osteochondral lesions of the first metatarsophalangeal (MTP-1) joint are characterized by pain during weight bearing and walking. The lesions often require surgical intervention(s). Arthroscopic bone marrow stimulation may be considered the preferred operative intervention for small lesions. Technological advances, patient preferences, and economic considerations combine to foster the development of minimally invasive needle arthroscopic procedures. This technical note presents and highlights our minimally invasive surgical technique for needle arthroscopic treatment through bone marrow stimulation for osteochondral lesions of the MTP-1 joint.
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Both acute and chronic syndesmotic injuries are associated with (osteo)chondral lesions of the ankle in at least 1 out of 5 patients. Having a common denominator of an acute traumatic injury being external rotation and forced dorsiflexion, the injury of a combined unstable syndesmotic injury and a potentially present concomitant (osteo)chondral lesion to the ankle warrants a thorough diagnostic and interventional approach. Furthermore, early diagnosis may prevent further damage to the joint through lifestyle changes and increase the chances of successful conservative or surgical treatment, potentially reducing the progression toward end-stage osteoarthritis. Consequently, technological advances and financial considerations have led to the development of a minimally invasive needle arthroscopic inspection and treatment of concomitant (osteo)chondral injuries of the ankle in the combined treatment of unstable syndesmotic injuries with suture button fixation. The present Technical Note describes this innovative minimally invasive assessment and concomitant treatment technique.
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INTRODUCTION: Most adult cases of bacterial-septic-arthritis of a native joint are effectively managed with a single surgical debridement, but some cases may require more than one debridement to control the infection. Consequently, this study assessed the failure rate of a single surgical debridement in adults with bacterial arthritis of a native joint. Additionally, risk factors for failure were assessed. MATERIALS AND METHODS: The review protocol was registered on PROSPERO (CRD42021243460) before data collection and conducted in line with the 'Preferred Reporting Items for Systematic Reviews and Meta-Analyses' (PRISMA) guidelines. Multiple libraries were systematically searched to identify articles including patients reporting on the incidence of failure (i.e. persistence of infection requiring reoperation) of the treatment of bacterial arthritis. The quality of individual evidence were assessed using the Quality in Prognosis Studies (QUIPS) tool. Failure rates were extracted from included studies and pooled. Risk factors for failure were extracted and grouped. Moreover, we evaluated which risk factors were significantly associated with failure. RESULTS: Thirty studies (8,586 native joints) were included in the final analysis. The overall pooled failure rate was 26% (95% CI 20 to 32%). The failure rate of arthroscopy and arthrotomy was 26% (95% CI 19 to 34%) and 24% (95% CI 17 to 33%), respectively. Seventy-nine potential risk factors were extracted and grouped. Moderate evidence was found for one risk factor (synovial white blood cell count), and limited evidence was found for five risk factors (i.e. sepsis, large joint infection, the volume of irrigation, blood urea nitrogen-test, and blood urea nitrogen/creatinine ratio). CONCLUSION: A single surgical debridement fails to control bacterial arthritis of a native joint in approximately a quarter of all adult cases. Limited to moderate evidence exists that risk factors associated with failure are: synovial white blood cell count, sepsis, large joint infection, and the volume of irrigation. These factors should urge physicians to be especially receptive to signs of an adverse clinical course.
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Artrite Infecciosa , Artroscopia , Humanos , Adulto , Desbridamento/métodos , Reoperação , Artroscopia/métodos , Prognóstico , Artrite Infecciosa/diagnóstico , Estudos RetrospectivosRESUMO
Injectable implants constitute a newly developed treatment class in the battle against osteoarthritis. They consist of water-formulated supramolecular polymer, coming from a new class of resorbable biomedical materials, and are implanted in encapsulated joints in a liquid form, where they solidify to form a tough, elastic, and cushioning layer between the joint surfaces. To resort any effect, intra-articular delivery should be guaranteed, and the implant should be distributed throughout the entire joint space. Traditional implantation techniques do not seem to suffice for this new implant class, being either imprecise (traditional injection) or overly invasive (open procedures and traditional arthroscopic surgery). We describe a needle arthroscopic implantation technique to reap the benefits of both worlds, ensuring precise implant delivery while avoiding unnecessarily invasive procedures. This study depicts our needle arthroscopic technique for implantation of injectable implants in the ankle, first metatarsophalangeal joint, and first carpometacarpal joint.
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Suspected bacterial arthritis of a native joint requires urgent management to control potential life-threatening sepsis and limit cartilage damage. Diagnosing bacterial arthritis is often challenging and relies on diagnostic tests with low accuracy. A high threshold for surgery poses a risk of undertreatment, whereas a low threshold for surgery could lead to overtreatment with unnecessary invasive and costly procedures. Surgical lavage through arthroscopy or arthrotomy is generally considered standard treatment. Nowadays, needle arthroscopy provides an alternative and potentially less-invasive approach that can safely lower the surgical threshold. Needle arthroscopy can be performed directly upon presentation at the patient's bedside, as it is well tolerated under local anesthesia. Therefore, this Technical Note presents a stepwise guideline for performing standardized needle arthroscopic lavage in patients with (suspected) bacterial arthritis of the shoulder, elbow, wrist, knee, and ankle.
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Purpose: To investigate the short-term clinical outcomes and satisfaction for the first set of patients at our institution receiving in-office needle arthroscopy (IONA) for the treatment of posterior ankle impingement syndrome (PAIS). Methods: A retrospective cohort study was conducted to evaluate patients who underwent IONA for PAIS between January 2019 and January 2021. Clinical outcomes were evaluated using the Foot and Ankle Outcome Score (FAOS) and Patient-Reported Outcomes Measurement Information System Pain Interference, and Pain Intensity scores. Patient satisfaction was measured at the final follow-up visit with a 5-point Likert scale. The Wilcoxon signed-rank test was performed to compare preoperative and postoperative outcome scores. Results: Ten patients (4 male and 6 female) with a mean age of 41.9 ± 15.5 years (range, 24-66 years) were included in the study. The mean follow-up time was 13.3 ± 2.9 months (range, 11-17 months). All mean preoperative FAOS scores demonstrated improvement after IONA, including FAOS symptoms (71.48 ± 10.3 to 80.3 ± 12.6), pain (69.3 ± 11.0 to 78.2 ± 13.9), activities of daily living (61.7 ± 8.8 to 77.93 ± 11.4), sports activities (55.6 ± 12.7 to 76.0 ± 13.6), and quality of life (46.6 ± 9.2 to 71.1 ± 12.1). There were 7 patients who participated in sports activities before the IONA procedure. Within this group, all patients returned to play at a median time of 4.1 weeks (range, 1-14 weeks). The median time to return to work was 3.4 ± 5.3 days. Patients reported an overall positive IONA experience with a mean rating scale of 9.5 ± 1.5 (range, 5-10). Conclusions: The current study demonstrates that IONA treatment of PAIS results in significant pain reduction, a low complication rate, and excellent patient-reported outcomes. In addition, IONA for PAIS leads to high patient satisfaction with a significant willingness to undergo the same procedure again. Level of Evidence: IV, therapeutic case series.
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BACKGROUND: Bedside needle arthroscopy of the ankle under local anesthesia has been proposed for intra-articular delivery of injectable agents. Accuracy and tolerability of this approach in the clinical setting-including patients with end-stage ankle pathology and/or a history of prior surgery-is not known. AIM: To assess clinical accuracy and tolerability of bedside needle arthroscopy as a delivery system for injectable agents into the tibiotalar joint. METHODS: This was a prospective study that included adult patients who were scheduled for an injection with hyaluronic acid to the tibiotalar joint. In our center, these injections are used as a last resort prior to extensive surgery. The primary outcome was injection accuracy, which was defined as injecting through the arthroscopic cannula with intra-articular positioning confirmed by a clear arthroscopic view of the joint space. Secondary outcome measures included a patient-reported numeric rating scale (NRS, 0-10) of pain during the procedure and willingness of patients to return for the same procedure. NRS of ankle pain at rest and during walking was collected at baseline and at 2-wk follow-up. Complications were monitored from inclusion up to a 2-wk control visit. RESULTS: We performed 24 inspection-injections. Eleven (46%) participants were male, and mean age was 46.8 ± 14.5 years. Osteoarthritis was the indication for injection in 20 (83%) cases, of which 8 (33%) patients suffered from osteoarthritis Kellgren-Lawrence grade IV, and 10 (42%) patients from Kellgren-Lawrence grade III. An osteochondral defect was the indication for injection in 4 (17%) cases. A history of ankle surgery was present in 14 (58%) participants and a history of multiple ankle surgeries in 11 (46%) participants. It was possible to confirm accuracy in 21 (88%) procedures. The 3 (12%) participants where needle arthroscopy did not reach a clear view of the joint space all suffered from Kellgren-Lawrence grade IV osteoarthritis. Pain during the procedure was reported with a median of 1 [interquartile ranges (IQR): 0-2]. Willingness to return was 100%. Pain in rest decreased from a median NRS of 4 (IQR: 2-7) at baseline to a median of 3 (IQR: 1-5) at follow-up (P < 0.01). Pain during walking decreased from a median NRS of 8 (IQR: 6-9) to a median of 7 (IQR: 4-8) (P < 0.01). Infections or other complications were not encountered. CONCLUSION: Clinical accuracy and tolerability of bedside needle arthroscopy of the ankle as a delivery system for injectable agents are excellent. Accuracy was 100% in patients without total ventral joint obliteration.
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AIMS: This study aimed to answer two questions: what are the best diagnostic methods for diagnosing bacterial arthritis of a native joint?; and what are the most commonly used definitions for bacterial arthritis of a native joint? METHODS: We performed a search of PubMed, Embase, and Cochrane libraries for relevant studies published between January 1980 and April 2020. Of 3,209 identified studies, we included 27 after full screening. Sensitivity, specificity, area under the curve, and Youden index of diagnostic tests were extracted from included studies. We grouped test characteristics per diagnostic modality. We extracted the definitions used to establish a definitive diagnosis of bacterial arthritis of a native joint per study. RESULTS: Overall, 28 unique diagnostic tests for diagnosing bacterial arthritis of a native joint were identified. The following five tests were deemed most useful: serum ESR (sensitivity: 34% to 100%, specificity: 23% to 93%), serum CRP (sensitivity: 58% to 100%, specificity: 0% to 96%), serum procalcitonin (sensitivity: 0% to 100%, specificity: 68% to 100%), the proportion of synovial polymorphonuclear cells (sensitivity: 42% to 100%, specificity: 54% to 94%), and the gram stain of synovial fluid (sensitivity: 27% to 81%, specificity: 99% to 100%). CONCLUSION: Diagnostic methods with relatively high sensitivities, such as serum CRP, ESR, and synovial polymorphonuclear cells, are useful for screening. Diagnostic methods with a relatively high specificity, such as serum procalcitonin and synovial fluid gram stain, are useful for establishing a diagnosis of bacterial arthritis. This review helps to interpret the value of various diagnostic tests for diagnosing bacterial arthritis of a native joint in clinical practice. Cite this article: Bone Joint J 2021;103-B(12):1745-1753.
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Artrite Infecciosa/diagnóstico , Infecções Estafilocócicas/diagnóstico , Artrite Infecciosa/metabolismo , Biomarcadores/metabolismo , Humanos , Sensibilidade e Especificidade , Infecções Estafilocócicas/metabolismoRESUMO
Needle arthroscopy has experienced a substantial increase in image quality due to technical innovation, which has brought needle arthroscopic interventional possibilities along. Repair of meniscal tears is gaining popularity relative to meniscectomy and may be such a procedure that is suitable for needle arthroscopy. We here present a needle arthroscopic technique for all-inside repair of meniscal tears in the red zone and red-white zone. With the use of local anesthesia only, the procedure is easy to perform for the surgeon and well-tolerable for the patient. Compared with conventional approaches to meniscal repair, needle arthroscopy may result in improved patient experience, decreased soft-tissue trauma, speedier recovery, and less need for personnel and hospital facilities. Combined, the advantages may lead to decreased overall costs as well.
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PURPOSE: To assess the feasibility of needle arthroscopy for management of suspected bacterial arthritis in native joints. METHODS: During a pilot period, patients presenting with symptoms suggestive of native joint bacterial arthritis were eligible for initial management with needle arthroscopy. Procedures were performed in the operating theatre or at the patient bedside in the emergency department or inpatient ward. As our primary outcome measure, it was assessed whether needle arthroscopic lavage resulted in a clear joint. In addition, the need for conversion to standard arthroscopy or arthrotomy, the need for conversion from local to general anaesthesia, complications and the need for additional surgical intervention at follow-up during admission were recorded. RESULTS: Eleven joints in 10 patients (four males, age range 35 - 77) were managed with needle arthroscopy. Needle arthroscopic lavage resulted in a clear joint in all cases. Conversion to standard arthroscopy or arthrotomy was not needed. Seven procedures were performed at the patient bedside using local anaesthesia. These procedures were well tolerated and conversion to general or spinal anaesthesia was not required. There were no procedure complications. One patient received multiple needle arthroscopic lavages. No further surgical interventions beside the initial needle arthroscopic lavage were required for successful management in other cases. CONCLUSIONS: Needle arthroscopy can be a feasible tool in the initial management of complaints suggestive for native joint bacterial arthritis, providing an effective, quick and well-tolerable intervention in the operating theatre or at the patient bedside, with the potential to relief health systems from need for scarce operating theatre time.
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PURPOSE: Technical innovation now offers the possibility of 2-mm diameter operative arthroscopy: an alternative to conventional arthroscopy that no longer uses inner rod-lenses. The purpose of this study was to assess whether all significant structures in the ankle could be visualized and surgically reached during 2-mm diameter operative arthroscopy, without inflicting iatrogenic damage. METHODS: A novel, 2-mm diameter arthroscopic system was used to perform a protocolled arthroscopic procedure in 10 fresh-frozen, human donor ankles. Standard anteromedial and anterolateral portals were utilized. Visualization and reach with tailored arthroscopic instruments of a protocolled list of articular structures were recorded and documented. A line was etched on the most posterior border of the talar and tibial cartilage that was safely reachable. The specimens were dissected and distances between portal tracts and neurovascular structures were measured. The articular surfaces of talus and tibia were photographed and inspected for iatrogenic damage. The reachable area on the articular surface was calculated and analysed. RESULTS: All significant structures were successfully visualized and reached in all specimens. The anteromedial portal was not in contact with neurovascular structures in any specimen. The anterolateral portal collided with a branch of the superficial peroneal nerve in one case but did not cause macroscopically apparent harm. On average, 96% and 85% of the talar and tibial surfaces was reachable respectively, without causing iatrogenic damage. CONCLUSION: 2-mm diameter operative arthroscopy provides safe and effective visualization and surgical reach of the anterior ankle joint. It may hold the potential to make ankle arthroscopy less invasive and more accessible.
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Articulação do Tornozelo/cirurgia , Artroscopia/instrumentação , Tornozelo , Artroscopia/métodos , Humanos , Nervo Fibular , Tálus , TíbiaRESUMO
BACKGROUND: Technical innovation now offers the possibility of 2-mm-diameter operative tendoscopy with disposable arthroscopes and tablet-like control units. The promises of new technology should be critically scrutinized. Therefore, this study assessed whether 2-mm-diameter operative tendoscopy of the tibialis posterior, peroneal, and Achilles tendons was safe and effective in a cadaveric model. METHODS: A 2-mm-diameter arthroscopic system was used to perform a tendoscopic procedure in 10 nonpaired, fresh-frozen, human ankles. Standard tendoscopic portals were utilized. Visual examination and operative reach with tailored tendoscopic instruments within the tendon sheaths were recorded and documented. Adhesiolysis and vincula resections were performed. After dissection, distances between portal tracts and neurovascular structures were measured and the tendons were inspected for signs of iatrogenic damage. RESULTS: The entire tendon sheath and tendon of the tibialis posterior, peroneus brevis, and Achilles tendons were visualized and reached with tailored operative instruments. The proximal part of the peroneus longus tendon was visible and reachable from proximally up to the cuboid bone distally. Adhesiolysis and vincula resections were successfully performed in all specimens. The mean distances between portal tracts and local neurovascular structures ranged between 9.4 and 19.2 mm and there were no cases of contact. None of the tendons showed signs of iatrogenic damage. CONCLUSION: Two-millimeter-diameter operative tendoscopy provided safe and effective visualization and operative reach of the tibialis posterior, peroneal, and Achilles tendons. CLINICAL RELEVANCE: Compared with current practice, 2-mm-diameter operative tendoscopy has the potential to make tendoscopy around the ankle less invasive and more accessible. Diagnostic, interventional, and second-look procedures might be performed at substantially reduced risk, time, and costs.