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BACKGROUND: Assessment of orthopaedic surgery trainees is traditionally based on subjective evaluation by faculty. The recent push for value-based health care has placed a premium on improving patient outcomes. As a result, surgical training evaluations for orthopaedic trainees are evolving to include more objective measures to evaluate competency. PURPOSE: To develop and subsequently demonstrate the efficacy of a novel surgical skills assessment for orthopaedic sports medicine fellows. STUDY DESIGN: Case series; Level of evidence, 4. METHODS: A team of 14 fellowship-trained orthopaedic sports medicine surgeons developed objective scoring rubrics for anterior cruciate ligament reconstruction (ACLR) and rotator cuff repair (RCR) using a modified Delphi process. Rubrics were designed based on 10 surgical steps with a grading scale (1-5) based on core competencies with a maximum summative score of 50. Fourteen orthopaedic fellows across a regionally diverse group of sports medicine-accredited fellowship programs were invited to complete both an ACLR and RCR in a surgical skills laboratory at the beginning and end of their fellowship year. Individual surgical steps, overall performance, and total procedure time were evaluated by a single sports medicine surgeon for both sessions. RESULTS: Thirteen of 14 fellows completed both pre- and post-fellowship assessments. For the ACLR procedure, the pre-fellowship mean summative score was 25.4 (SD, 4.4) and the post-fellowship mean summative score was 38.6 (SD, 4.1), which was a statistically significant improvement (P < .001). For the RCR procedure, the pre-fellowship mean summative score was 26.6 (SD, 5.4) and the post-fellowship mean summative score was 38.8 (SD, 4.3), which was also a statistically significant improvement (P < .001). The mean time to completion for the ACLR procedure was 82.3 minutes (SD, 4.3 minutes) pre-fellowship, which improved to 69.7 minutes (SD, 11.6 minutes) post-fellowship (P = .002). The mean time to completion for the RCR procedure was 85.5 minutes (SD, 5.0 minutes) pre-fellowship, which improved to 76.4 minutes (SD, 7.0 minutes) post-fellowship (P < .001). CONCLUSION: This surgical skills program represents the first standardized and reproducible instrument for the evaluation of 2 arthroscopic sports medicine procedures in the United States. Orthopaedic sports medicine fellows improved significantly in aggregate over their fellowship year with regard to the ACLR and RCR. The described program has the potential to serve as both a training tool and formal orthopaedic sports medicine fellow assessment.
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Cartilage lesions of the knee are a challenging problem, especially for active individuals and athletes who desire a return to high-load activities. They occur both through chronic repetitive loading of the knee joint or through acute traumatic injury and represent a major cause of pain and time lost from sport. They can arise as isolated lesions or in association with concomitant knee pathology. Management of these defects ultimately requires a sound understanding of their pathophysiologic underpinnings to help guide treatment. Team physicians should maintain a high index of suspicion for underlying cartilage lesions in any patient presenting with a knee effusion, whether painful or not. A thorough workup should include a complete history and physical examination. MRI is the most sensitive and specific imaging modality to assess these lesions and can provide intricate detail not only of the structure and composition of cartilage, but also of the surrounding physiological environment in the joint. Treatment of these lesions consists of both conservative or supportive measures, as well as surgical interventions designed to restore or regenerate healthy cartilage. Because of the poor inherent capacity for healing associated with hyaline cartilage, the vast majority of symptomatic lesions will ultimately require surgery. Surgical treatment options range from simple arthroscopic debridement to large osteochondral reconstructions. Operative decision-making is based on numerous patient- and defect-related factors and requires open lines of communication between the athlete, the surgeon, and the rest of the treatment team. Ultimately, a positive outcome is based on the creation of a durable, resistant repair that allows the athlete to return to pain-free sporting activities.
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Traumatismos em Atletas , Cartilagem Articular , Traumatismos do Joelho , Imageamento por Ressonância Magnética , Humanos , Cartilagem Articular/lesões , Cartilagem Articular/cirurgia , Traumatismos em Atletas/cirurgia , Traumatismos em Atletas/terapia , Traumatismos em Atletas/diagnóstico , Traumatismos do Joelho/cirurgia , Artroscopia/métodos , Desbridamento , AtletasRESUMO
PURPOSE OF REVIEW: The management of shoulder instability in throwing athletes remains a challenge given the delicate balance between physiologic shoulder laxity facilitating performance and the inherent need for shoulder stability. This review will discuss the evaluation and management of a throwing athlete with suspected instability with a focus on recent findings and developments. RECENT FINDINGS: The vast majority of throwing athletes with shoulder instability experience subtle microinstability as a result of repetitive microtrauma rather than episodes of gross instability. These athletes may present with arm pain, dead arms or reduced throwing velocity. Recent literature reinforces the fact that there is no "silver bullet" for the management of these athletes and an individualized, tailored approach to treatment is required. While initial nonoperative management remains the hallmark for treatment, the results of rehabilitation protocols are mixed, and some patients will ultimately undergo surgical stabilization. In these cases, it is imperative that the surgeon be judicious with the extent of surgical stabilization as overtightening of the glenohumeral joint is possible, which can adversely affect athlete performance. Managing shoulder instability in throwing athletes requires a thorough understanding of its physiologic and biomechanical underpinnings. Inconsistent results seen with surgical stabilization has led to a focus on nonoperative management for these athletes with surgery reserved for cases that fail to improve non-surgically. Overall, more high quality studies into the management of this challenging condition are warranted.
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BACKGROUND: Cell-based cartilage repair procedures of the patellofemoral joint have less reliable outcomes than those of the tibiofemoral joint. No previous studies have evaluated the influence of patellar shape on cell-based cartilage repair outcomes. Patellar dysplasia may predispose patients to worse outcomes after cell-based cartilage repair. PURPOSE/HYPOTHESIS: The purpose of this study was to evaluate the relationship between Wiberg patellar type and outcomes after cell-based cartilage repair (autologous chondrocyte implantation or particulated juvenile allograft cartilage transplantation) for the treatment of patellar chondral lesions at a minimum 2-year follow-up. It was hypothesized that Wiberg classification of patellar shape would have no effect on patient-reported outcome measures (PROMs) or graft survival. STUDY DESIGN: Cohort study; Level of evidence, 3. METHODS: Patients undergoing autologous chondrocyte implantation or particulated juvenile allograft cartilage transplantation for full-thickness patellar chondral defects between 2016 and 2020 were retrospectively reviewed after institutional review board approval. The change in PROMs, including International Knee Documentation Committee (IKDC), Kujala, and Veterans RAND 12-item Health Survey Mental and Physical scores, from pre- to postoperatively and the percentage of patients who achieved the minimal clinically important difference (MCID) for IKDC and Kujala scores were compared for the Wiberg type A versus Wiberg type B versus Wiberg type C groups. The log-rank test was used to evaluate for differences in survival between subgroups. RESULTS: A total of 59 patients (63 knees) were included, with a mean age of 33.3 ± 8.6 years, median body mass index of 26.0 (IQR, 21.8-30.2), and median follow-up time of 3.5 years (IQR, 2.6-4.2 years). In total, 26 (41%) patellae were Wiberg type A, 29 (46%) were Wiberg type B, and 8 (13%) were Wiberg type C. There were no differences between Wiberg type A versus Wiberg type B versus Wiberg type C groups with respect to change in PROMs from pre- to postoperatively or the percentage of patients who achieved the MCID for IKDC or Kujala scores (P > .05 for all). There were no differences in survival between groups (P = .45). CONCLUSION: Wiberg patellar type has no effect on patient-reported outcomes or graft survival at midterm follow-up. Patellar dysplasia should not be seen as a contraindication for cell-based cartilage repair procedures.
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Cartilagem Articular , Humanos , Adulto Jovem , Adulto , Cartilagem Articular/cirurgia , Estudos de Coortes , Seguimentos , Estudos Retrospectivos , Condrócitos/transplante , Transplante AutólogoRESUMO
PURPOSE: The extent of glenohumeral bone loss seen in anterior shoulder dislocations plays a major role in guiding surgical management of these patients. The need for accurate and reliable preoperative assessment of bone loss on imaging studies is therefore of paramount importance to orthopedic surgeons. This article will focus on the tools that are available to clinicians for quantifying glenoid bone loss with a focus on emerging trends and research in order to describe current practices. RECENT FINDINGS: Recent evidence supports the use of 3D CT as the most optimal method for quantifying bone loss on the glenoid and humerus. New trends in the use of 3D and ZTE MRI represent exciting alternatives to CT imaging, although they are not widely used and require further investigation. Contemporary thinking surrounding the glenoid track concept and the symbiotic relationship between glenoid and humeral bone loss on shoulder stability has transformed our understanding of these lesions and has inspired a new focus of study for radiologists and orthopedist alike. Although a number of different advanced imaging modalities are utilized to detect and quantify glenohumeral bone loss in practice, the current literature supports 3D CT imaging to provide the most reliable and accurate assessments. The emergence of the glenoid track concept for glenoid and humeral head bone loss has inspired a new area of study for researchers that presents exciting opportunities for the development of a deeper understanding of glenohumeral instability in the future. Ultimately, however, the heterogeneity of literature, which speaks to the diverse practices that exist across the world, limits any firm conclusions from being drawn.
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Background: Wear and corrosion at the junctions of modular implants are increasingly recognized issues in the design of hip and knee arthroplasty prostheses, yet less is known about their significance in shoulder arthroplasty. Methods: A query of paired total shoulder implant specimens (eg, humeral head and stem components from the same patient) was performed using an institutional implant retrieval registry. Implants were examined under a stereomicroscope and evaluated for evidence of fretting and corrosion using the modified Goldberg scoring system. Available electronic medical records of included specimens were reviewed to report relevant clinical characteristics and identify potential associations with the presence of tribocorrosion. Results: Eighty-three paired total shoulder implant specimens, explanted at a single institution between 2013 and 2020, were analyzed. Corrosion was identified in 52% (43/83) of humeral head components and 40% (33/83) of humeral stem components. Fretting was identified in 29% (24/83) of humeral head components and 28% (23/83) of humeral stem components. Of the 56 paired implants for which clinical data were available, the duration of implantation (DOI) was less than 2 years in 29% of paired implants and greater than 5 years in 36% of implants. The presence of corrosion or fretting was not associated with DOI, a male humeral head taper, or periprosthetic infection as the indication for revision. Conclusion: Mild tribocorrosion was present in more than half of the retrieved humeral implant specimens. However, trunnionosis did not manifest as a clinical cause of revision surgery in our study.
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BACKGROUND: Elbow flexion at late portions of the pitch has been associated with increased elbow varus torque, a kinetic surrogate associated with injury risk. Direct examinations of injury incidence with elbow flexion angles have not been conducted in professional pitchers. PURPOSE: To compare elbow and shoulder injury incidence among professional baseball players stratified by degree of elbow flexion at ball release (BR). STUDY DESIGN: Descriptive laboratory study. METHODS: Professional pitchers (N = 314) were instructed to pitch between 8 and 12 fastballs while being evaluated using motion capture technology. Upper extremity injury incidence was recorded upon interview. Pitchers were subsequently subdivided into 3 groups based on increasing elbow flexion at BR. Analysis of variance was used to compare participant characteristics and kinematic and peak kinetic variables. An odds ratio (OR) was calculated to determine the risk of having a previous upper extremity injury based on the degree of elbow flexion at BR. RESULTS: A total of 116 pitchers (132 documented injuries) had a previous upper extremity injury, with elbow injury (76 injuries; 57.6%) being the most common. Evaluation of kinetic values showed that pitchers with the smallest elbow flexion at BR had significantly less peak elbow flexion torque than did those with greatest elbow flexion at BR (3.8 ± 0.5 vs 4.1 ± 0.6 %weight × height; P = .003). Pitchers who demonstrated a greater than average degree of elbow flexion at BR when pitching were more likely to have a history of elbow injury (OR, 1.97; 95% CI, 1.14-3.40; P = .015) and olecranon spur formation or stress fracture (OR, 5.79; 95% CI, 1.25-26.85; P = .025). CONCLUSION: Pitchers with greater elbow flexion at BR had significantly higher odds of previous injury of the elbow and olecranon. Increasing elbow flexion has been shown to place the medial elbow in a position to carry a greater amount of load, which may be exacerbated during the final moments of the pitching motion. Professional pitchers can consider decreasing elbow flexion at BR as a potential, modifiable risk factor for elbow injury, in particular for olecranon spur formation and fracture. CLINICAL RELEVANCE: This study attempts to associate injury incidence with a modifiable, kinematic variable for an at-risk population.
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Beisebol , Lesões no Cotovelo , Olécrano , Beisebol/lesões , Fenômenos Biomecânicos , Cotovelo , Humanos , Amplitude de Movimento ArticularRESUMO
Pediatric patellofemoral instability is a complex problem, for which there are several anatomic risk factors. Coronal plane malalignment (i.e., genu valgum) is one cause of patellofemoral instability, and treatment of genu valgum has been associated with improved patellofemoral stability. Coronal plane angular deformity correction, typically achieved by distal femoral osteotomy in the adult population, can be achieved with less invasive surgical techniques in pediatric patients using implant-mediated guided growth. By temporarily tethering one side of an open physis to generate differential growth in the coronal plane, valgus malalignment can be corrected. We present our technique for medial distal femoral implant-mediated guided growth using tension band plating for treatment of pediatric patellofemoral instability associated with genu valgum. This technique is minimally invasive, has a low complication rate, and in conjunction with conventional treatment can reduce the risk of recurrent instability.
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The recent study by Mihata et al., [10] "Five-year follow-up of arthroscopic superior capsule reconstruction for irreparable rotator cuff tears" (J Bone Joint Surg Am. 2019;101:1921-1930), was the first case series published examining long-term clinical and radiographic outcomes of superior capsule reconstruction (SCR) for irreparable rotator cuff tears. This article is a critical review of how the aforementioned study fits into a growing literature surrounding the use of SCR for irreparable rotator cuff tears and how these results may impact clinical and operative decision-making for this patient population. The series compares clinical and radiographic data taken pre-operatively with data taken at 1 year and 5 years post-operatively in a group of 30 patients who underwent SCR utilizing tensor fascia lata autograft. While the results of the study suggest that a healed SCR graft utilizing this specific technique successfully restored shoulder function and prevented progression of rotator cuff arthropathy, it is important to appreciate the limitations of this small, retrospective case series. Nonetheless, the study represents an important addition to the expanding literature surrounding this significant topic. In this report, we shed light on the current state of this novel operative technique and the ongoing controversies revolving around graft material and thickness.
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BACKGROUND: Recently, running, monofilament barbed suture has become more popular as an efficient and economical alternative to traditional braided interrupted suture for wound closure following total joint arthroplasty. Its overall association with wound complications following surgery remains unknown at this time. Several studies have investigated its use in total knee arthroplasty (TKA), but there is limited literature surrounding use in total hip arthroplasty (THA). In this retrospective cohort study, our primary objective was to determine whether the use of monofilament barbed suture in THA was associated with reduced rates of postoperative infection when compared to traditional braided suture. METHODS: Patients who underwent primary unilateral THA between November 2011 and December 2017 by a single senior surgeon with closure using either monofilament barbed suture (162 patients) or braided interrupted suture (429 patients) were retrospectively reviewed for postoperative wound complications during the first 90 days after surgery. Demographics, comorbidities, and perioperative data were also included to assess for risk factors for infection. RESULTS: There was no difference between braided and barbed suture in overall rates of major complication, including periprosthetic joint infection (PJI) (0.47% vs 0.62%, P = .82) or revisions (1.86% vs 1.23%, P = .60). The overall rate of minor, superficial wound complications was also similar between both groups (6.1% vs 3.1%, P = .15). However, when superficial complications were categorized by type (dehiscence vs infection), the use of barbed suture was associated with a decreased rate of superficial wound infection (0% vs 5.4%, P = .003) and an increased rate of wound dehiscence (3.1% vs 0.7%, P = .04). CONCLUSION: The use of monofilament barbed suture for superficial skin closure in THA leads to similar overall rates of both major and minor wound complications when compared to traditional interrupted braided suture. However, while barbed suture was associated with fewer superficial infections, there was an increased incidence of wound dehiscence. Overall, barbed suture demonstrated a cumulatively equivalent rate of superficial wound complications compared to braided suture. Based on this investigation, barbed suture appears safe to use in THA and may represent an efficient and effective alternative to braided suture for wound closure. LEVEL OF EVIDENCE: Level IV; retrospective cohort study.
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Artroplastia de Quadril/efeitos adversos , Técnicas de Sutura/efeitos adversos , Suturas/efeitos adversos , Infecção dos Ferimentos/etiologia , Adulto , Artroplastia do Joelho/efeitos adversos , Feminino , Humanos , Incidência , Masculino , Pessoa de Meia-Idade , Complicações Pós-Operatórias/etiologia , Estudos Retrospectivos , Fatores de Risco , Tela Subcutânea , Infecção dos Ferimentos/prevenção & controleRESUMO
Recent literature has reported an uncategorized hyperplantarflexion variant ankle fracture characterized by a posteromedial fragment separate from the posterior or medial malleolar fragments. The current study sought to determine whether the outcomes for surgically treated hyperplantarflexion variant fractures are similar to the more common supination external rotation (SER) IV fractures. A prospective registry of operatively treated ankle fractures was queried to create 2 age- and gender-matched cohorts: hyperplantarflexion variant and SER IV fractures. Each cohort had 23 patients (18 females), and matched pairs were within 2 years of age at the date of surgery. Patient demographics, comorbidities, and Foot and Ankle Outcomes Scores at minimum 12 months after the index surgery were compared. The cohorts were similar with respect to body mass index, the length of the clinical follow-up, medical comorbidities, dislocation rate, and postoperative articular incongruity (p > .05). Patient-reported outcomes demonstrated no statistically or clinically significant differences within any domain and were as follows: symptoms (70.8 versus 77.8, pâ¯=â¯.11), pain (80.7 versus 85.0, pâ¯=â¯.33), activities of daily living (83.7 versus 89.2, pâ¯=â¯.23), sports (67.4 versus 73.4, pâ¯=â¯.33), and quality of life (57.3 versus 63.9, pâ¯=â¯.24) for the hyperplantarflexion and SER IV groups, respectively. No significant differences were found in the rang`e of motion for dorsiflexion (17.7° versus 18.1°, pâ¯=â¯.52) or for plantarflexion (48.6° versus 47.1°, pâ¯=â¯.71). Patients treated surgically for hyperplantarflexion variant ankle fractures have similar 1-year clinical outcomes when compared with the more common SER IV fracture patterns, provided that the injury is correctly identified preoperatively and treated appropriately.
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Fraturas do Tornozelo/cirurgia , Fratura-Luxação/cirurgia , Fixação Interna de Fraturas , Adolescente , Adulto , Idoso , Fraturas do Tornozelo/classificação , Fraturas do Tornozelo/diagnóstico por imagem , Estudos de Coortes , Feminino , Fratura-Luxação/diagnóstico por imagem , Fixação Interna de Fraturas/efeitos adversos , Humanos , Masculino , Pessoa de Meia-Idade , Medidas de Resultados Relatados pelo Paciente , Complicações Pós-Operatórias , Radiografia , Rotação , Supinação , Resultado do Tratamento , Adulto JovemRESUMO
As the operative management of displaced distal radius fractures evolves, intraoperative techniques and fixation strategies evolve as well. Achieving and maintaining an acceptable reduction is paramount but can be difficult with particular fracture patterns. In this article, we describe the use of a radial column plate as a reduction tool in the management of unstable distal radius fractures, along with clinical and radiographic clinical outcomes. This technique can be useful in situations where multiplanar instability exists, or simply when intraoperative assistance is limited. Surgeons can expect acceptable radiographic and clinical outcomes when using this technique, although effects on scar formation and wrist range of motion are currently not known.
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Placas Ósseas , Fixação Interna de Fraturas/métodos , Fraturas do Rádio/cirurgia , Rádio (Anatomia)/cirurgia , Adulto , Idoso , Idoso de 80 Anos ou mais , Feminino , Fixação Interna de Fraturas/instrumentação , Humanos , Fraturas Intra-Articulares/cirurgia , Masculino , Pessoa de Meia-Idade , Articulação do Punho/cirurgiaRESUMO
BACKGROUND: The purpose of this study was to quantitatively and qualitatively assess relative arterial contributions to the calcaneus. METHOD: Fourteen cadaveric ankle pairs were used. In each specimen, the posterior tibial artery, peroneal artery, and anterior tibial artery were cannulated and used for contrast-enhanced magnetic resonance imaging (MRI) and computed tomography (CT). Quantitative MRI analysis of the pre- and postcontrast MRI scans facilitated assessment of relative arterial contributions. In addition, postcontrast MRIs were used to measure all perfused arterial entry points and scaled to a 3-dimensional calcaneus model. Contrast-enhanced CT imaging was assessed to further delineate the extraosseous arterial course. Two pairs underwent infusion of diluted BaSO4 through a constant-pressure pump using extended infusion duration. RESULTS: Quantitative MRI findings indicated the peroneal artery provided 52.6% of the calcaneal arterial supply, 31.6% from the posterior tibial artery, and 15.8% from the anterior tibial artery. The cortical entry points were found in fairly consistent patterns along calcaneal cortical surfaces. All specimens demonstrated intraosseous anastomoses between lateral and medial entry points at common locations. CONCLUSIONS: The peroneal artery was found to provide the largest calcaneal arterial contribution, followed by the posterior tibial artery and anterior tibial artery. A rich anastomotic arterial network was found supplying the calcaneus. CLINICAL RELEVANCE: This study provides quantitative and qualitative findings of the relative arterial contribution of the calcaneus. This knowledge can help expand our understanding of calcaneal vascularization, demonstrate the vascular impact of calcaneal fracture and surgery, and facilitate future research on the arterial anatomy of the calcaneal soft tissue envelope.
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Articulação do Tornozelo/fisiopatologia , Calcâneo/fisiopatologia , Fraturas Ósseas/fisiopatologia , Artérias da Tíbia/anatomia & histologia , Cadáver , Calcâneo/irrigação sanguínea , Humanos , Imageamento por Ressonância Magnética , Tomografia Computadorizada por Raios XRESUMO
OBJECTIVE: To determine if ligamentous and meniscal injuries as determined by initial magnetic resonance imaging altered clinical outcomes after the fixation of tibial plateau fractures. DESIGN: Comparative cohort study. SETTING: Academic level I trauma center. PATIENTS/PARTICIPANTS: Eighty-two patients from a prospective database of operatively treated tibial plateau fractures met the inclusion criteria, which consisted of injury radiographs, preoperative knee magnetic resonance imaging (MRI), and a minimum of 12 months of clinical outcomes. INTERVENTION: In addition to radiographs and computed tomography scans for fracture assessment, an MRI was performed to detect tears in the medial and lateral menisci and complete ruptures of the cruciate ligaments (anterior cruciate ligament and posterior cruciate ligament) and collateral ligaments [lateral collateral ligament and medial collateral ligament (MCL)]. Surgical fixation of tibial plateau fractures was performed by a single surgeon based on injury patterns. MAIN OUTCOME MEASUREMENTS: Clinical outcomes included the Knee Outcome Survey Activities of Daily Living Scale, the Lower Extremity Functional Scale, the Short-Form 36, and knee range of motion. Secondary soft tissue surgeries and conversion to arthroplasty were also noted. RESULTS: On injury MRI, 60 patients (73%) had injuries to at least one soft tissue structure. At final follow-up, 2 patients (2%) had a secondary soft tissue surgery and 1 patient (1%) underwent total knee arthroplasty. Patient-reported outcomes and range of motion assessments were not significantly different in patients with and without medial meniscal tears, lateral meniscal tears, and complete MCL ruptures. CONCLUSIONS: In this cohort of patients with operative tibial plateau fractures, sutured lateral meniscal tears, untreated medial meniscus tears, and complete MCL ruptures did not significantly affect clinical outcomes. In addition, these data suggest that obtaining a preoperative MRI in patients with tibial plateau fractures to diagnose soft tissue injuries may not alter the surgical treatment or alter patient prognosis for midterm outcomes. LEVEL OF EVIDENCE: Prognostic Level III. See Instructions for Authors for a complete description of levels of evidence.
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Traumatismos do Joelho/diagnóstico por imagem , Ligamentos Articulares/diagnóstico por imagem , Ligamentos Articulares/lesões , Lesões dos Tecidos Moles/cirurgia , Fraturas da Tíbia/cirurgia , Lesões do Menisco Tibial/diagnóstico por imagem , Adolescente , Adulto , Idoso , Idoso de 80 Anos ou mais , Estudos de Coortes , Feminino , Humanos , Traumatismos do Joelho/complicações , Traumatismos do Joelho/cirurgia , Ligamentos Articulares/cirurgia , Imageamento por Ressonância Magnética , Masculino , Pessoa de Meia-Idade , Lesões dos Tecidos Moles/complicações , Lesões dos Tecidos Moles/diagnóstico por imagem , Fraturas da Tíbia/complicações , Fraturas da Tíbia/diagnóstico por imagem , Lesões do Menisco Tibial/cirurgia , Resultado do Tratamento , Adulto JovemRESUMO
BACKGROUND: Femoral nerve (FNB) and adductor canal blocks (ACB) are used in the setting of total knee arthroplasty (TKA), but neither has been demonstrated to be clearly superior. Although dynamometer studies have shown ACBs spare perioperative quadriceps function when compared to FNBs, ACBs have been widely adopted in orthopaedic surgery without significant evidence that they decrease the risk of perioperative falls. METHODS: All patients who received single-shot FNB (129 patients) or ACB (150 patients) at our institution for unilateral primary TKA from April 2014 to September 2015 were retrospectively reviewed for perioperative falls or near-falls during physical therapy and inpatient care. RESULTS: There were significantly more "near-falls" with documented episodes of knee buckling in the FNB group (17 vs 3, P = .0004). These patients' first buckling episode occurred at an average of 21.1 hours postoperatively (standard deviation 5.83, range 13.83-41.15). There were no significant differences in pain scores between the 2 groups at any of the time periods measured; however, patients in the FNB group consumed significantly fewer opioids on postoperative day 1 than the ACB group (59 morphine equivalents vs 73, P = .004). CONCLUSIONS: A significantly higher rate of near-falls with knee buckling during in-hospital physical therapy was discovered in the FNB group. With increasing numbers of TKAs being performed on a "fast-track" discharge model, these results must be seriously considered, particularly in patients planning to go home the same day, to reduce the risk of postoperative falls. These data support the recent clinical data trend favoring ACB over FNB in orthopaedic surgery.
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INTRODUCTION: Femoral head (FH) osteonecrosis (ON) and subsequent segmental collapse is a major concern following displaced femoral neck fractures (FNF). We aimed to quantify residual perfusion to the FH following FNF and evaluate the viability of the FH overtime after surgical fixation. MATERIALS AND METHODS: Twenty-three patients with FNF underwent dynamic contrast-enhanced (DCE)-MRI to estimate bone perfusion in the FH, using the contralateral side as control. Following open anatomic reduction and a length/angle-stable fixation, a special MRI sequence evaluated the FH for ON changes over time at 3 and 12 months after surgery. RESULTS: We found significant compromise of both arterial inflow [83.1%-initial area under the curve (IAUC) and 73.8%-peak) and venous outflow (243.2%-elimination rate (K el)] in the FH of the fractured side. The supero-medial quadrant suffered the greatest decrease in arterial inflow with a significant decrease of 71.6% (IAUC) and 68.5% (peak). Post-operative MRI revealed a high rate (87%-20/23) of small ON segments within the FH, and all developed in the anterior aspect of the supero-medial quadrants. Fracture characteristics, including subcapital FNF, varus deformity, posterior roll-off ≥20° and Pauwel's angle of 30°-50° demonstrated a greater decrease in perfusion compared to contralateral controls. CONCLUSION: FNF significantly impaired the vascular supply to the FH, resulting in high incidence of small ON segments in the supero-medial quadrant of the FH. However, maintained perfusion, probably through the inferior retinacular system, coupled with urgent open anatomic reduction and stable fixation resulted in excellent clinical and radiographic outcomes despite a high rate of small ON segments noted on MRI. LEVEL OF EVIDENCE: Level I: Prognostic Investigation.
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Fraturas do Colo Femoral/cirurgia , Cabeça do Fêmur/cirurgia , Fixação Interna de Fraturas , Osteonecrose/etiologia , Estudos de Coortes , Fixação Interna de Fraturas/efeitos adversos , Fixação Interna de Fraturas/métodos , HumanosRESUMO
OBJECTIVE: The purpose of this prospective cohort study was to determine if a new patella fracture fixation construct resulted in improved outcomes compared with traditional tension band techniques. DESIGN: Comparative cohort study. SETTING: Academic level I trauma center. PATIENTS/PARTICIPANTS: Patients with isolated, unilateral patellar fractures were enrolled prospectively. From 2012 to 2014, 33 patients underwent fixation with a novel plate construct that spans half of the patella circumference laterally and provides multiplanar fixation through a low-profile plate. A comparison cohort was drawn from 25 patients treated from 2008 to 2012, where treatment consisted of traditional tension band fixation techniques. INTERVENTION: Surgical fixation of patella fractures was performed with either a tension band or novel plate construct. MAIN OUTCOME MEASUREMENTS: Subjective postoperative clinical outcomes and objective functional and strength measurements were subsequently collected. RESULTS: The 2 cohorts had similar baseline characteristics. Patients with the plate construct had clinically and statistically significantly superior Knee Outcome Survey Activities of Daily Living Scale (KOS-ADLS) scores throughout the study period (P < 0.001). Functional testing also demonstrated significant improvements in patients with plate constructs compared with tension band constructs at 12 months. Patients in the plate cohort had significantly increased thigh circumferences (P = 0.003) and decreased anterior knee pain (P < 0.0001) compared with the tension band cohort. CONCLUSIONS: In this prospective cohort study, the use of a novel fixation construct with multiplanar and interfragmentary fixation and minimal disruption of patellar vascularity enables improved clinical outcomes and functional performance. LEVEL OF EVIDENCE: Therapeutic Level II. See Instructions for Authors for a complete description of levels of evidence.
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Fixação Interna de Fraturas/métodos , Fraturas Ósseas/cirurgia , Patela/lesões , Patela/cirurgia , Idoso , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Prognóstico , Estudos Prospectivos , Resultado do TratamentoRESUMO
Antegrade intramedullary nails are an established, effective method of fixation for humeral shaft fractures. One significant limitation of this technique is chronic postoperative shoulder pain, which is likely related to the standard approach that involves splitting the rotator cuff to gain access to the nail starting point. Furthermore, mounting evidence suggests that both the intra-articular portion of the biceps tendon and the extra-articular portion in the bicipital groove can scar down after trauma, causing pain and limiting shoulder range of motion. We describe an approach through the rotator interval with tenodesis of the biceps tendon and resection of the intra-articular portion. Using a rotator cuff interval instead of a rotator cuff insertion approach allows access to the optimal humeral nail starting point while avoiding damage to intra-articular structures of the shoulder, potentially decreasing sources of postoperative shoulder pain.
Assuntos
Fixação Intramedular de Fraturas/métodos , Tendões dos Músculos Isquiotibiais/cirurgia , Fraturas do Úmero/cirurgia , Tratamentos com Preservação do Órgão/métodos , Lesões do Manguito Rotador/prevenção & controle , Tenodese/métodos , Terapia Combinada/métodos , Feminino , Fixação Intramedular de Fraturas/efeitos adversos , Consolidação da Fratura , Humanos , Fraturas do Úmero/diagnóstico , Masculino , Pessoa de Meia-Idade , Procedimentos Cirúrgicos Minimamente Invasivos/métodos , Lesões do Manguito Rotador/etiologia , Resultado do TratamentoRESUMO
INTRODUCTION: Tibial plateau fractures are common injuries often treated with open reduction and internal fixation. We have noted improved patient satisfaction following implant removal for these patients. The purpose of this study was to assess the effect of removal of surgical implants after union on patient reported outcomes. MATERIALS AND METHODS: All patients at our Level 1 Trauma Center undergoing open reduction an internal fixation by the senior surgeon are offered enrollment into a prospective registry and have clinical outcomes recorded at follow-up [Knee Outcomes Survey (KOS), Lower Extremity Functional Scale (LEFS), Short Form-36 Physical and Mental Component Summary (SF-36 PCS, SF-36 MCS), and Visual analog pain scale (VAS)]. Routinely, removal of surgical implants is offered after fracture union resulting in two cohorts: those who had undergone elective removal of surgical implants and those who had not. Outcome scores were compared before and after implant removal as well as between the two study populations at final follow-up. RESULTS: Seventy-five patients were identified as having 12 month outcome scores: 36 (48%) had retained implants; 39 (52%) had implants removed. KOS and LEFS outcomes improved significantly after implant removal (p < 0.05). Clinical outcomes (KOS, SF-36 PCS) were also significantly better in patients who had implants removed compared to those that did not at final follow-up (p < 0.05). There was no statistical difference seen in VAS pain scores. CONCLUSIONS: The results of this study indicate that patients who have elective removal of their surgical implants after open reduction and internal fixation of a tibial plateau fracture have improved clinical outcomes after removal and also demonstrate significantly better outcomes than those who have retained implants at final follow-up. Patients who are unhappy with their clinical result should be counseled that removal of the implant may improve function, but may not improve pain.