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1.
J Arthroplasty ; 38(6S): S337-S344, 2023 06.
Artículo en Inglés | MEDLINE | ID: mdl-37001620

RESUMEN

BACKGROUND: Extensor mechanism disruption (EMD) following total knee arthroplasty (TKA) is a devastating problem commonly treated with allograft or synthetic reconstruction. Understanding of reconstruction success rates and patient recorded outcomes is lacking. METHODS: Patients who have an EMD after TKA undergoing mesh or whole-extensor allograft reconstruction between 2011 and 2019, with minimum 2-year follow-up were reviewed at two tertiary care centers. Functional failure was defined as extensor lag >30 degrees, amputation, or fusion, as well as revision extensor mechanism reconstruction (EMR). Survivorship was assessed using Kaplan-Meier curves, and factors for success were determined with logistic regressions. RESULTS: Of fifty-six EMRs (49 patients), 50.0% (28/56) were functionally successful at 3.2 years of mean follow-up (range, 0.2 to 7.4). In situ survivorship of the reconstructions at 36 months was 75.0% (42 of 58). There were 50.0% (14 of 28) of functionally failed EMRs that retained their reconstruction at last follow-up. Mean extensor lag among successes and failures was 5.4 and 71.0° (P = .01), respectively. Mean Knee Injury and Osteoarthritis Outcome Score, Joint Replacement scores were 67.1 and 48.8 among successes and failures (P = .01). There were 64.0% (16 of 25) of successes and 1 of 19 failures that obtained a Knee Injury and Osteoarthritis Outcome Score, Joint Replacement score above the minimum patient-acceptable symptom state for TKA. Survivorship and success rates were similar between reconstruction methods (P = .86; P = .76). All-cause mortality was 8.2% (4 of 49), each with EMR failure prior to death. All-cause reoperation rate was 42.9% (24 of 56), with a 14.3% (8 of 56) rate of revision EMR and 10.7% (6 of 56) rate of above-knee-amputation or modular fusion. CONCLUSIONS: This multicenter investigation of mesh or allograft EMR demonstrated modest functional success at 3.2 years. Complication and reoperation rates were high, regardless of EMR technique. Therefore, EMD after TKA remains problematic.


Asunto(s)
Artroplastia de Reemplazo de Rodilla , Traumatismos de la Rodilla , Osteoartritis , Humanos , Artroplastia de Reemplazo de Rodilla/efectos adversos , Trasplante Homólogo , Reoperación , Osteoartritis/cirugía , Traumatismos de la Rodilla/cirugía , Resultado del Tratamiento , Articulación de la Rodilla/cirugía , Estudios Retrospectivos
2.
JBJS Case Connect ; 12(2)2022 04 01.
Artículo en Inglés | MEDLINE | ID: mdl-35703162

RESUMEN

CASE: A 17-year-old adolescent boy presented with anterolateral, right leg pain and numbness of his right foot 2 days after participating in football practice. He denied a traumatic event, and radiographs were negative for fracture. His imaging and physical examination raised suspicion for acute compartment syndrome (ACS). Single-incision fasciotomy with anterior and lateral compartment release was performed. The peroneus longus muscle was detached at the musculotendinous junction. The peroneus longus was then debrided and transferred to the peroneus brevis. CONCLUSION: Atraumatic ACS, although rare, is a diagnostic challenge. Prompt recognition of this atypical presentation is important for proper treatment.


Asunto(s)
Síndromes Compartimentales , Fútbol Americano , Adolescente , Atletas , Síndromes Compartimentales/diagnóstico por imagen , Síndromes Compartimentales/etiología , Síndromes Compartimentales/cirugía , Fasciotomía , Humanos , Masculino , Músculo Esquelético/cirugía
3.
South Med J ; 111(8): 494-500, 2018 08.
Artículo en Inglés | MEDLINE | ID: mdl-30075476

RESUMEN

OBJECTIVE: Dog bite injuries are encountered frequently in emergency departments and can cause significant morbidity. The objective of this study was to explore the associations between the multiple variables at play during these occurrences (eg, the patient's age, the bite location, the bite severity, the dog's relationship with the patient, the breed of dog). METHODS: This two-institution study collected and analyzed dog bite data from Arkansas' only Level I trauma centers. The charts of 740 patients were included in our retrospective chart review. The chart review extracted data, including each individual patient's age, sex, dog bite location, and dog bite severity, as well as the patient's relationship to the dog and the dog's breed. To determine the relation between and among variables, contingency tables were created and analyzed to determine odds ratios (ORs) and confidence intervals (CIs). In addition, standard t tests were used in statistical comparisons of means and proportions. RESULTS: Of the 740 patient charts reviewed, 574 were for patients who presented to Arkansas Children's Hospital and 166 were for patients who presented to the University of Arkansas for Medical Sciences. Of the patients across both institutions, 267 (37.1%) required some form of repair, with 225 (30.4%) receiving closure within the emergency department and 42 (6.7%) requiring an operative intervention. Among children, those younger than age 5 years were >8 times as likely to require an operative repair (OR 8.1, 95% CI 2.77-23.58, P < 0.0001), >4 times as likely to be bitten on the head and neck (OR 4.30, 95% CI 3.00-6.16, P < 0.0001), and ≤3 times as likely to be bitten by a family dog (OR 2.97, 95% CI 2.10-4.20, P < 0.0001). Conversely, children older than age 12 years were >3 times as likely to be bitten on an extremity (OR 3.43, 95% CI 2.08-5.65, P < 0.0001). CONCLUSIONS: The results of this retrospective review are aligned mostly with the general trends found in previous national and global studies, supporting the notion that family dogs represent a more significant threat than often is realized and that, among the breeds identified, pit bulls are proportionally linked with more severe bite injuries. Our data further validate previous studies that note an increased risk of bites and bite severity in children younger than 5 years. In addition, our data show that bites to the head and neck occurred more frequently among children younger than 5 years than among older children, and that boys younger than 5 years were bitten more frequently than girls.


Asunto(s)
Mordeduras y Picaduras/complicaciones , Mordeduras y Picaduras/etiología , Adolescente , Animales , Arkansas , Mordeduras y Picaduras/epidemiología , Mordeduras y Picaduras/cirugía , Niño , Preescolar , Perros , Servicio de Urgencia en Hospital/organización & administración , Servicio de Urgencia en Hospital/estadística & datos numéricos , Femenino , Hospitales Pediátricos/organización & administración , Hospitales Pediátricos/estadística & datos numéricos , Humanos , Lactante , Masculino , Oportunidad Relativa , Estudios Retrospectivos
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