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BACKGROUND: To date, no previous studies have explored return to surfing after hip arthroplasty. The objective of this study is to analyse return to a risky activity following hip arthroplasty. METHODS: A retrospective chart review was conducted on all primary total hip arthroplasties (THA) and hip resurfacing arthroplasties (HRA) performed by the senior author from 2014 to 2021. Patients identified as surfers were contacted to complete a survey including surfing history and patient-reported outcomes. RESULTS: 83 hips in 67 patients were contacted. There were 66 THAs and 17 HRAs. 81 hips were performed through a posterior approach and 2 through an anterior approach. At an average of 67 months, there were no dislocations and no patients reported hip pain while surfing. Time to resume surfing was a median of 16 (range 8-144) weeks. Among 13 patients who did not return to surfing, 8 cited new lifestyle restrictions, 4 attributed it to other arthritic joints, and only 1 patient attributed their limitation to the replaced hip. This group had taken significantly more time off from surfing prior to surgery. CONCLUSIONS: Return to surfing following THA and HRA is common and safe in our study population with no complications and specifically no dislocations. Patients with other sites of arthritis and patients who have more extensive time away from surfing prior to surgery are less likely to return to sport. While surfing is clearly not without risk, patients can generally expect a high rate of successful return to surfing after hip arthroplasty.
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OBJECTIVE: Anterior cruciate ligament (ACL) tears are exceedingly common among the athletic population and are seen with higher incidence in females. Observational studies have noted peak ACL tear rates in the luteal phase of the menstrual cycle, a time in which the hormone relaxin peaks in serum concentration. METHODS: A systematic review of the literature was performed. Inclusion criteria specified all prospective and retrospective studies which included the role of relaxin in the pathogenesis of ACL tears. RESULTS: Six studies met inclusion criteria yielding 189 subjects from clinical studies and 51 in vitro samples. Included studies found that ACL samples exhibit selective relaxin binding. When pre-treated with estrogen prior to relaxin exposure, female ACL tissue samples exhibit increased expression of collagen degrading receptors. CONCLUSION: Relaxin displays binding specificity to the female ACL and increased serum concentrations are correlated with increased ACL tear rates in female athletes. Further research is needed in this area. LEVEL OF EVIDENCE: V.
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Lesões do Ligamento Cruzado Anterior , Traumatismos em Atletas , Relaxina , Humanos , Feminino , Lesões do Ligamento Cruzado Anterior/epidemiologia , Relaxina/metabolismo , Estudos Retrospectivos , Estudos Prospectivos , Incidência , Traumatismos em Atletas/complicaçõesRESUMO
The on-call orthopaedic surgeon is faced with a wide array of orthopaedic pathology for which intra-articular aspiration, injection, and/or nerve/hematoma block may be used. Efficient use of these diagnostic and therapeutic modalities affords better patient care and a more effective on-call period. Often, these interventions are the rate limiting factor in a reduction or diagnosis. In this review, we describe joint aspirations, saline load tests, hematoma blocks, and nerve blocks in detail to include their indications, techniques, related pharmacology, pearls, and pitfalls.
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Bloqueio Nervoso , Cirurgiões Ortopédicos , Ortopedia , Humanos , Bloqueio Nervoso/métodosRESUMO
PURPOSE: Proximal fibula fractures are often associated with tibial plateau fractures, but their relationship is poorly characterized. The purpose of this study was to better define the relationship between tibial plateau injury severity and presence of associated soft tissue injuries. METHODS: A retrospective review was performed on all operatively treated tibial plateau fractures at a Level 1 trauma center over a 5-year period. Patient demographics, injury radiographs, CT scans, operative reports and follow-up were reviewed. RESULTS: Queried tibial plateau fractures from 2014 to 2019 totaled 217 fractures in 215 patients. Fifty-two percent were classified as AO/OTA 41B and 48% were AO/OTA 41C. Thirty-nine percent had an associated proximal fibula fracture. The presence of a proximal fibula fracture had significant correlation with AO/OTA 41C fractures, as compared with AO/OTA 41B fractures (chi-square, p < 0.001). Of the patients with a lateral split depression type tibial plateau fracture, the presence of a proximal fibula fracture was associated with more articular comminution, measured by number of articular fragments (mean = 4.0 vs. 2.9 articular fragments, p = 0.004). There was also a higher rate of meniscal injury in patients with proximal fibula fractures (37% vs. 20%, p = 0.003). CONCLUSIONS: There was a significant relationship between the higher energy tibial plateau fracture type (AO/OTA 41C) and the presence of an associated proximal fibula fracture. The presence of a proximal fibula fracture with a tibial plateau fracture is an indicator of a higher energy injury and a higher likelihood of meniscal injury.
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Fraturas da Fíbula , Fraturas da Tíbia , Fraturas do Planalto Tibial , Humanos , Fraturas da Tíbia/diagnóstico por imagem , Fraturas da Tíbia/cirurgia , Fraturas da Tíbia/complicações , Estudos Retrospectivos , RadiografiaRESUMO
The patient found it hard to climb stairs-and to complete a particular task when getting dressed. Difficulty with that task provided a useful diagnostic clue.
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Articulação do Joelho , Joelho , Humanos , DorRESUMO
BACKGROUND: The lateral dorsal cutaneous nerve (LDCN) and the anastomotic branch of the sural nerve (AB) are cutaneous sensory nerves at risk of iatrogenic injury during lateral foot surgery. This study is the first to use a large cohort of high-resolution magnetic resonance images (MRIs) of the ankle to better describe the course of these nerves in vivo in order to aid surgeons intraoperatively. Our study intends to build on the "high and inside" approach to the proximal 5MT by accounting for variations in course of the LDCN and AB. METHODS: One hundred twenty-five 3-tesla (T) MRI studies of the ankle were analyzed. Three reviewers measured the distance from the LDCN and AB to landmarks including the most proximal aspect of the fifth metatarsal tuberosity (5MT) and the peroneus brevis tendon (PBT). RESULTS: Mean vertical distance from the LDCN to the 5MT was 0.8 ± 0.2 cm. Presence of an AB was visualized in 59 of 125 studies (47.2%) and was found 2.2 ± 0.5 cm dorsal to the 5MT. The AB was found to become superior to PBT at a horizontal distance 1.9 ± 0.5 cm proximal to the 5MT. The LDCN was found superior to the PBT at its insertion onto the 5MT in approximately 10% (n = 12) of our studies. During these instances, the LDCN was located an average of 0.3 cm dorsal to the PBT. CONCLUSION: Our proposed "safe zone" for the approach to the proximal 5MT remains superior to the LDCN and inferior to the AB and avoids crossing directly over either nerve in >95% of analyzed MRI studies. This incision begins 1.5 cm dorsal to the most proximal aspect of the 5MT and extends no more than 1 cm posteriorly. Careful dissection and identification of the LDCN and possible AB is necessary prior to further extension of incision. LEVEL OF EVIDENCE: Level IV, case series.
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Ossos do Metatarso , Tornozelo , Cadáver , Humanos , Imageamento por Ressonância Magnética , Ossos do Metatarso/cirurgia , Nervo SuralRESUMO
Aim: To describe the efficacy of clinical research coordinators (CRCs) in terms of research output among faculty, residents and medical students. Materials & methods: We analyzed and reviewed departmental research output from the 3 years prior to the hire of 3 CRCs compared with the 3 years following. Results: From 2014 to 2016, the department output was a total of 27 peer-reviewed publications, 16 oral presentations and 33 poster presentations. From 2017-2019 there was a 52% increase in publications (n = 41), 131% increase in oral presentations (n = 37) and a 61% increase in poster presentations (n = 53). Conclusion: The implementation of CRCs has markedly increased tangible research output and trainee involvement. This role may serve as a valuable model for other academic departments.
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Pesquisa Biomédica , Internato e Residência , Procedimentos Ortopédicos , Humanos , PesquisadoresRESUMO
The incidence of prosthetic hip dislocation continues to increase because of the overall increase in volume of total hip replacement surgery. Closed reduction is often the preferred treatment, particularly in the first few months after surgery. No matter the closed reduction technique, linear traction is a requirement, thus posing a physically demanding stress opening both surgeon and patient to potential injury. We describe a fracture table closed reduction technique along with outcomes and safety data for a sample of patients. In all 10 reduction procedures, reduction was achieved quickly and without fracture or anesthetic complication. The use of a fracture table for reduction of prosthetic hip dislocation is a viable option, particularly when the surgeon may not have the physical requirements and/or qualified assistance necessary for reduction in the emergency department.
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Calcium oxalate monohydrate (COM) crystals are the primary constituent of most kidney stones, but urine proteins in stone matrix are believed to be critical elements for stone formation from these crystals. Recent data have shown that hundreds of proteins appear in the stone matrix with no explanation for inclusion of so many proteins. We have proposed a stone formation model with protein stimulated COM aggregation based on polyanion-polycation aggregation, which is supported by finding that matrix is highly enriched in strongly anionic and strongly cationic proteins. Many other proteins may be drawn to such aggregates due to their limited solubility in water or charge effects. Finding similar protein enrichment in both polyarginine (pR) induced aggregates of urine proteins and COM stone matrix would support this hypothesis. Purified proteins (PP) were obtained from random urine samples of six healthy adults by ultradiafiltration. Protein aggregation was induced by adding pR to PP solutions at two concentrations; 0.25 and 0.5 µg pR/µg of PP. Samples of each fraction and the original PP mixture were lyophilized and analyzed by tandem mass spectrometry. Aggregates induced by pR addition to PP samples collected a protein mixture that mimicked the protein distribution observed in COM matrix, supporting our hypothesis. The apparently discordant behavior of certain abundant anionic proteins preferentially joining the pR aggregate, when they had demonstrated reduced abundance in COM stone matrix, suggests that this model was overdriven to aggregate. The reversal of aggregate preference of albumin at low pR addition supports this interpretation.
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Oxalato de Cálcio , Cálculos Renais/etiologia , Proteínas/fisiologia , Adulto , Idoso , Oxalato de Cálcio/análise , Oxalato de Cálcio/metabolismo , Feminino , Humanos , Cálculos Renais/química , Cálculos Renais/urina , Masculino , Pessoa de Meia-IdadeRESUMO
INTRODUCTION: Paget's disease (PD) is the most common metabolic bone disorder after osteoporosis. Clinically, it can result in pain, bony deformity, pathologic fractures, and, in the late stage, progression to malignancy. At a pathophysiological level, PD manifests as an imbalance between the homeostasis of bone destruction and formation. Bones most often involved with this disease process include the pelvis, femur, tibia, vertebra, and skull. The goals of orthopedic intervention in PD are two-fold: Prevention of pathologic fracture with internal stabilization and reconstruction following fracture, which is often complicated by poor bone quality and advanced deformity. In this case report, authors detail a patient with PD who presented with a pathologic left subtrochanteric femur fracture requiring a novel complex femoral reconstruction with a 29-year follow-up period. To the best of our knowledge, no such report exists, particularly with this degree of long-term follow-up. CASE REPORT: A 70-year-old Caucasian man with PD presented with an atypical subtrochanteric femur fracture after a ground level fall. Due to his significant femoral deformity and osteopenia, proximal femoral resection followed by composite femoral allograft reconstruction with total hip arthroplasty was performed. Long-term durability of this novel reconstruction method as well as longitudinal clinical and radiographic outcomes is described. CONCLUSION: Complex pathologic fractures in patients with PD can be effectively treated with composite femoral allograft reconstruction and total hip arthroplasty with good long-term radiographic and clinical outcomes. Broadly, it is important to note the unique healing pattern seen in PD bone and to consider the implications it may have when planning surgical intervention.
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BACKGROUND: Conflicting findings exist on the protective role of aspirin against aneurysmal subarachnoid hemorrhage (SAH). In this retrospective analysis, we compare the risk of SAH at presentation between patients treated microsurgically who were regularly taking an antithrombotic medication versus those who were not. METHODS: Consecutive patients with solitary aneurysms treated by the senior author using a microsurgical approach were included from a database of patients treated between January 2010 and April 2013 at a tertiary academic medical center. χ2 and logistic regression analysis were performed, comparing the risk of SAH with antithrombotic use. RESULTS: A total of 347 patients were included in the study, 156 (45%) of whom presented with SAH. A total of 63 patients (18%) were taking an antithrombotic medication (aspirin, 53; clopidogrel, 6; both, 4) and 12 (4%) were on anticoagulation medication. Multivariate analysis was conducted using SAH as the primary outcome and included patient age (odds ratio [OR], 0.99), gender (male, OR, 0.65), tobacco use (OR, 1.43), alcohol use (OR, 1.02), coronary artery disease (OR, 1.84), diabetes (OR, 1.03), hypertension (OR 0.91), and posterior circulation location (OR, 1.47). This analysis found that only antithrombotic use (OR, 0.20) was associated with a significantly lower rate of rupture at the time of presentation (P < 0.001). CONCLUSIONS: Patients taking an antithrombotic were less likely to present with ruptured aneurysms. No difference was found for those taking anticoagulants. Patient outcomes did not differ between those on an antithrombotic versus those without. A randomized controlled trial is needed to further investigate the application of antithrombotics for preventing SAH.
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Aneurisma Roto/cirurgia , Fibrinolíticos/uso terapêutico , Hemorragia Subaracnóidea/cirurgia , Adolescente , Adulto , Idoso , Idoso de 80 Anos ou mais , Criança , Pré-Escolar , Feminino , Humanos , Masculino , Microcirurgia , Pessoa de Meia-Idade , Estudos Retrospectivos , Fatores de Risco , Adulto JovemRESUMO
OBJECTIVE: To describe the factors affecting patients' selection of a urologist, and the utilization of the Internet and social media. MATERIALS AND METHODS: All new patients presenting to a single-institution for evaluation were invited to complete an anonymous 26-item questionnaire between April 2018 and October 2018, including demographic information, use of Internet and social media resources, and relative importance of factors when selecting a urologist. Descriptive statistics were reported, and a stratified analysis was performed for age, gender, and education. RESULTS: A total of 238 patients responded. More than half (53%) of patients searched their medical condition prior to presentation. When stratified by age, younger patients were 3 times as likely to utilize Internet resources (Group 1 vs Group 2; OR 3.3, 95%CI 1.5-7.2, P <.01). Few patients utilized Facebook (7%) or Twitter (1%). The 3 most important surveyed urologist selection factors included hospital reputation (4.3 ± 1.0), in-network providers (4.0 ± 1.3), and appointment availability (3.9 ± 1.0). The 3 least important included medical school attended (2.7 ± 1.3), urologist on social media (1.9 ± 1.2), and TV, radio, and/or billboard advertisements (1.7 ± 1.3). CONCLUSION: This study suggests a significant proportion of patients search the Internet regarding their medical condition prior to presenting to clinic. Further, younger patients utilize this methodology significantly more than the senior population. Important factors when selecting a urologist may be driven by a hospital's reputation, in addition to scheduling convenience.
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Internet , Preferência do Paciente , Urologistas , Adulto , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , AutorrelatoRESUMO
Aneurysms involving the origin of the posterior inferior cerebellar artery (PICA) have a greater incidence of fusiform morphology, intraluminal thrombi, and wall calcifications. At times, a complex treatment strategy with vessel occlusion and revascularization using a bypass graft is necessary for successful obliteration of these aneurysms. The occipital artery (OA) is often the preferred donor graft for lesions of the posterior fossa because of its proximity to the target recipient vessels. However, dissection of an OA can be challenging, given its anatomically tortuous path and the presence of thick surrounding muscles. This video captures the dissection of the OA using an unconventional, "inside-out" harvesting technique and the end-to-side anastomosis of the OA to the PICA at the p3 segment. This was performed in a 58-year-old man who presented with a subarachnoid hemorrhage (Hunt and Hess grade IV) from a ruptured fusiform aneurysm located at the origin of the right PICA. Major steps in Video 1 during this case include 1) dissection and harvesting of the OA using the "inside out" technique, 2) placement of 2 temporary clips occluding the PICA and isolating the P3 segment, 3) end-to-side OA-P3 anastomosis, and 4) removal of the temporary clips and confirmation of the PICA's patency using intraoperative indocyanine green. Due to the potential for infarction of the brainstem, the patient was started on dual antiplatelet therapy postoperatively. The patient tolerated the procedure well and suffered no major complications related to the operation or from being placed on dual antiplatelet therapy. He did experience some mild, posterior neck pain and rigidity at the time of his 3-month follow-up, likely due to nerve injury that occurred while harvesting the OA. Overall, the patient remains in good neurologic status 1 year after the operation. Complex fusiform aneurysms at the origin of PICA can be successfully treated via an OA-PICA bypass.
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OBJECTIVEEwing sarcoma (ES) is among the most prevalent of bone sarcomas in young people. Less often, it presents as a primary lesion of the spine (5%-15% of patients with ES).METHODSA systematic literature search was performed, querying several scientific databases per PRISMA guidelines. Inclusion criteria specified all studies of patients with surgically treated ES located in the spine. Patient age was categorized into three groups: 0-13 years (age group 1), 14-20 years (age group 2), and > 21 (age group 3).RESULTSEighteen studies were included, yielding 28 patients with ES of the spine. Sixty-seven percent of patients experienced a favorable outcome, with laminectomies representing the most common (46%) of surgical interventions. One-, 2-, and 5-year survival rates were 82% (n = 23), 75% (n = 21), and 57% (n = 16), respectively. Patients in age group 2 experienced the greatest mortality rate (75%) compared to age group 1 (9%) and age group 3 (22%). The calculated relative risk score indicated patients in age group 2 were 7.5 times more likely to die than other age groups combined (p = 0.02).CONCLUSIONSPrimary ES of the spine is a rare, debilitating disease in which the role of surgery and its impact on one's quality of life and independence status has not been well described. This study found the majority of patients experienced a favorable outcome with respect to independence status following surgery and adjunctive treatment. An increased risk of recurrence and death was also present among the adolescent age group (14-20 years).
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Agglutination is a finding noted in semen analyses (SAs) that often causes confusion as to its significance. While some have attributed agglutination to antisperm antibodies (ASAs), there are other causes as well, such as genital tract infection and ascorbic acid deficiency. Additionally, it is known that patients with ASAs often have risk factors such as a history of scrotal trauma or surgery. Therefore, we sought to determine the prevalence of agglutination in our patient population and correlate it with these risk factors, regardless of the presence/absence of ASAs. A retrospective study was conducted on the SAs of men seen at a single academic Reproductive Center. Of the 1,095 SAs identified, 133 (12.1%) patients experienced agglutination (61.7% scant, 21.8% moderate and 16.5% excessive). Of patients who underwent multiple SAs, 24 (12.2%) showed variability. Furthermore, patients who underwent scrotal surgery carried 3.4 times the risk of agglutination (X2 p < 0.01) and 5.5 times the risk of variability (X2 p < 0.01) as compared to those patients without a history significant for scrotal surgery. Agglutination is a relatively common finding in men presenting to a reproductive clinic with little intrapatient variability. Scrotal surgery confers a higher risk of agglutination and variability.
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Escroto/cirurgia , Análise do Sêmen/estatística & dados numéricos , Aglutinação Espermática , Autoanticorpos/imunologia , Humanos , Infertilidade Masculina/diagnóstico , Masculino , Orquiectomia/efeitos adversos , Orquidopexia/efeitos adversos , Estudos Retrospectivos , Escroto/imunologia , Espermatozoides/imunologia , Reversão da Esterilização/efeitos adversos , Vasectomia/efeitos adversosRESUMO
BACKGROUND: Occasionally, previously coiled aneurysms will require secondary treatment with surgical clipping, representing a more complicated aneurysm to treat than the naïve aneurysm. Patients who initially presented with a ruptured aneurysm may pose an even riskier group to treat than those with unruptured previously coiled aneurysms, given their potentially higher risk for rerupture. The objective of this study was to assess the clinical outcomes of patients who undergo microsurgical clipping of ruptured previously coiled cerebral aneurysms. In addition, we present a thorough review of the literature. METHODS: A total of 53 patients from a single institution who initially presented with a subarachnoid hemorrhage and underwent surgical clipping of a previously coiled aneurysm between December 1997 and December 2014 were studied. Clinical features, hospital course, and preoperative and most recent functional status (Glasgow Outcome Scale score) were reviewed retrospectively. RESULTS: The mean time interval from coiling to clipping was 2.6 years, and mean follow-up was 5.5 years (range, 0.1-14.7 years). Five patients (9.8%) presented with rebleed prior to clipping. Most patients (79.3%, 42/53) experienced good neurologic outcomes. Most showed no change (81%, 43/53) or improvement (13%, 7/53) in functional status after microsurgical clipping. One patient (2%) deteriorated clinically, and there were 2 mortalities (4%). CONCLUSIONS: Microsurgical clipping of previously ruptured, coiled aneurysms is a promising treatment method with favorable clinical outcomes.
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Aneurisma Roto/cirurgia , Aneurisma Intracraniano/cirurgia , Microcirurgia/métodos , Procedimentos Neurocirúrgicos/métodos , Hemorragia Subaracnóidea/cirurgia , Adolescente , Adulto , Idoso , Criança , Pré-Escolar , Feminino , Escala de Resultado de Glasgow , Humanos , Masculino , Pessoa de Meia-Idade , Reoperação , Estudos Retrospectivos , Instrumentos Cirúrgicos , Resultado do Tratamento , Adulto JovemRESUMO
OBJECTIVE: Female sex is a well-known risk factor for aneurysm formation. Although the role of the ovaries and estrogen in aneurysm development has been supported, other organ-hormone pairs unique between sexes also may be implicated. In this study, we aimed to determine whether intracranial aneurysms microsurgically clipped in patients with previous hysterectomies exhibit any unique aneurysm characteristics from those without hysterectomies. METHODS: Solitary aneurysms microsurgically treated by the senior author (M.T.L.) were included from a database of patients treated between January 2010 and April 2013 at a tertiary academic medical center. Only female patients and patients equal or older in age to the youngest patient in the hysterectomy group were included in the control group. Patient and aneurysm characteristics were compared using the χ2 test for categorical variables and the independent t test analysis for continuous variables. RESULTS: A total 233 patients were included in the study. Forty-three patients (19%) had undergone a previous hysterectomy; none had oophorectomies recorded. No difference in mean age (P = 0.89), hypertension (P = 0.38), alcohol use (P = 0.87), tobacco use (P = 0.22), or aneurysm location (P = 1) existed. However, patients in the hysterectomy group more often presented in a good neurologic condition before surgery (88% vs. 74%, P = 0.04) and had fewer large aneurysms (8% vs. 24%, P = 0.03). Also, fewer presented with a ruptured aneurysm (28%) then the nonhysterectomy group (51%) (P = 0.004). CONCLUSIONS: Female patients with a surgical history of a hysterectomy have a lower rate of large aneurysms, present in better neurologic condition, and are less likely to present with a ruptured aneurysm than females without a hysterectomy.
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Aneurisma Roto/epidemiologia , Histerectomia/estatística & dados numéricos , Aneurisma Intracraniano/epidemiologia , Hemorragia Subaracnóidea/epidemiologia , Adulto , Idoso , Idoso de 80 Anos ou mais , Consumo de Bebidas Alcoólicas/epidemiologia , Comorbidade , Feminino , Humanos , Hipertensão/epidemiologia , Aneurisma Intracraniano/cirurgia , Microcirurgia , Pessoa de Meia-Idade , Procedimentos Neurocirúrgicos , Estudos Retrospectivos , Fatores Sexuais , Instrumentos Cirúrgicos , Uso de Tabaco/epidemiologiaRESUMO
BACKGROUND: Only a few case reports and case series exist reporting on primary chondrosarcomas of the spine. The objective of this study was to gain a better understanding of this patient population and surgical techniques used for treatment. METHODS: A systematic literature search was performed in January 2018 querying several scientific databases, per PRISMA guidelines. Surgery type was categorized into en bloc, piecemeal excision, or non-en bloc or piecemeal excision. RESULTS: In total, 34 records and 3 patients were included in the systematic review, yielding 87 patients with primary chondrosarcoma of the spine. The mean age was 41.5 years, with the tumor most commonly arising in adult patients (90.8%, 79/87); most were male (66.7%, 58/87). Those who underwent piecemeal excision had the highest death rate (56.7%, P ≤ 0.001) and highest rate of recurrence (63.3%, P ≤ 0.001) compared with en bloc and non-en bloc or piecemeal excision. The calculated reduced relative risk (RR) comparing en bloc with the other surgical techniques for recurrence and mortality was 78.8% (RR, 0.21; P ≤ 0.001) and 80.7% (RR, 0.19; P≤ 0.001), respectively. Survival analysis showed patients with a piecemeal excision had 9.4 times hazards ratio for death compared with en bloc (P = 0.001). CONCLUSIONS: CS is a rare lesion that most commonly presents in adult male patients. En bloc surgical resection was associated with a significant decrease in recurrence, mortality, and increased survival compared with the other surgical techniques. In addition, any surgical technique that involved entering the tumor capsule showed a significantly greater risk for recurrence and death.
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Condrossarcoma/cirurgia , Descompressão Cirúrgica/métodos , Neoplasias da Coluna Vertebral/cirurgia , Resultado do Tratamento , Adolescente , Adulto , Idoso , Idoso de 80 Anos ou mais , Criança , Pré-Escolar , Condrossarcoma/diagnóstico por imagem , Condrossarcoma/mortalidade , Bases de Dados Bibliográficas/estatística & dados numéricos , Feminino , Humanos , Lactente , Masculino , Pessoa de Meia-Idade , Recidiva Local de Neoplasia/diagnóstico por imagem , Recidiva Local de Neoplasia/cirurgia , Medula Espinal/cirurgia , Neoplasias da Coluna Vertebral/diagnóstico por imagem , Neoplasias da Coluna Vertebral/mortalidade , Taxa de Sobrevida , Adulto JovemRESUMO
BACKGROUND: CD30 (Ki-1) is a cell membrane protein derived from the tumor necrosis factor (TNF) receptor family. The CD30 antigen has been associated primarily with Hodgkin lymphoma (HL) and systemic anaplastic large cell lymphoma (sALCL). Brentuximab vedotin (BV) is an antibody-drug conjugate targeting the CD30 antigen. FDA approval for BV includes relapsed and refractory HL and sALCL. The CD30 antigen also has been identified in many solid tumors, predominantly of germ cell origins and early clinical data is promising. OBJECTIVE: Perform a focus literature review evaluating the prevalence of the CD30 antigen among nonlymphomatous tumors with a potential correlate for CD30 targeted therapy. ELIGIBILITY CRITERIA: Inclusion criteria: all retrospective reviews and case reports citing CD30 positivity or negativity in non-lymphomatous malignancies in which data were presented based on location. EXCLUSION CRITERIA: studies with hematopoetic malignancies, cutaneous malignancies, non-human populations, and non-english publications. INCLUDED STUDIES: A total of 119 articles met these criteria and are summarized in this manuscript. CONCLUSION: The CD30 antigen has shown variable prevalence among non-hematopoetic tumors, most notably among germ cell tumors and mesothelioma. With additional, preclinical and properly powered clinical studies, CD30 targeted therapy such as that of BV, alone or in combination with other agents may prove to be a strong candidate in the treatment of various CD30+ malignancies.