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1.
Artículo en Inglés | MEDLINE | ID: mdl-36293623

RESUMEN

Combat sports training involves a high risk of head injury. Previously published research on head trauma exposure in MMA evaluated only the knockouts (KO), without calculating all head strikes. The aim of the research was to evaluate the total head trauma exposure during MMA competitions among male and female fighters. Two thousand four hundred and eighty-eight MMA fights from all numbered UFC events between 2000 and 2021 were analyzed. A database containing the results from officially published scorecards with information such as the outcome of a fight, its duration, number of strikes (significant and total amount of hits) depending on location and knockdowns was created. Additional video verification of the knockout technique was carried out. The athletes received an average of 2.41 significant head strikes out of a total of 6.30 head strikes per minute. Head strikes were more common in female fights than in male. Women executed more total and significant head strikes per minute than men. Head trauma caused the ending of 31.6% of all fights-more often in male fights (32.2%) than female (23.1%). It was the most common cause of knockouts-88.1%. Professional fights in mixed martial arts involve high exposure to head trauma. A careful evaluation of the risk involved in training in such a discipline is necessary to provide adequate prevention methods.


Asunto(s)
Traumatismos Craneocerebrales , Artes Marciales , Femenino , Masculino , Humanos , Traumatismos Craneocerebrales/epidemiología , Traumatismos Craneocerebrales/etiología , Atletas
2.
J Oral Maxillofac Surg ; 80(4): 682-690, 2022 04.
Artículo en Inglés | MEDLINE | ID: mdl-34973164

RESUMEN

PURPOSE: The primary purpose of this study is to estimate and compare the frequencies, types, and hospital admission rates of head and neck injuries in subjects who practice different martial art fighting styles, including karate, kung fu, kickboxing, taekwondo, judo, and jiu jitsu. METHODS: The investigators designed and implemented a 20-year cross-sectional study using the National Electronic Injury Surveillance System database. Information related to head and neck martial art injuries from January 2000 through December 2019 was included in this study. Study variables were obtained from both patient demographics and injury characteristics (date of injury, diagnosis, body part, type of martial art, and disposition). Patient and injury characteristics were compared through χ2 and independent sample tests. RESULTS: Taekwondo was the most likely type of martial art to lead to a head injury (P < .01), whereas jiu jitsu (P < .01) and judo (P < .01) were most likely to cause neck injuries. The type of martial art was not significantly associated with admission rates (P = .190); however, patients with head injuries were more likely to be admitted relative to patients who did not suffer head injuries (P < .05). Moreover, injuries secondary to judo were more likely to result in admissions relative to that of all other martial arts (P < .05). CONCLUSIONS: Judo was the most severe martial art during this time period as it led to the highest rate of hospital admissions. Karate injuries are most likely to occur in younger populations of fighters under the age of 18 years.


Asunto(s)
Traumatismos Craneocerebrales , Artes Marciales , Adolescente , Traumatismos Craneocerebrales/epidemiología , Traumatismos Craneocerebrales/etiología , Estudios Transversales , Humanos , Artes Marciales/lesiones
3.
Phys Sportsmed ; 49(4): 371-380, 2021 11.
Artículo en Inglés | MEDLINE | ID: mdl-33538222

RESUMEN

Background: The popularity trend of mixed martial arts (MMA) is steeply increasing, especially in the very young population. Unfortunately, MMA carries an enormous risk of head trauma.Purpose: The aim of this article is to provide review of studies on the association between head injuries and cognitive functions in MMA fighters.Methods: A systematic literature review was performed. Web of Science, PubMed, Springer, and Scopus databases were used. A total of 30 studies were identified. The inclusion criteria were as follows: studies with MMA fighters and head injuries and/or TKO/KO and/or reduction of cognitive functions in these fighters.Results: The results indicate that the incidence of head traumas ranges between 58% and 78% of all injuries. The King-Devick test seems to be a suitable rapid tool used in the studies to assess the extent of cognitive impairment. Among the detected studies, the post-fighting scores were significantly worse for fighters with head trauma during the match. We also found anomalies in MMA fighters in different brain structures, but it seems that the thalamus and caudate are the most affected. The impaired performance in processing speed, verbal memory and psychomotor speed is regularly confirmed in studies with MMA fighters. In addition, head traumatization seems to be a risk factor for the development of neurodegenerative disorders and it may be one of the possible causes of chronic traumatic encephalopathy (CTE). Several global medical societies have identified MMA as a violent and dangerous sport and have called for its ban - but unsuccessfully.Conclusion: Therefore, possible recommendations should include increased medical supervision of the fighter (during his career, but also after it) and the introduction of practical safety instructions for fighters to reduce the risk of developing CTE. With the increasing popularity of MMA, the risk of CTE should not be underestimated.


Asunto(s)
Disfunción Cognitiva , Traumatismos Craneocerebrales , Artes Marciales , Encéfalo , Cognición , Traumatismos Craneocerebrales/epidemiología , Traumatismos Craneocerebrales/etiología , Humanos , Artes Marciales/lesiones
4.
Neurol Med Chir (Tokyo) ; 60(6): 307-312, 2020 Jun 15.
Artículo en Inglés | MEDLINE | ID: mdl-32404577

RESUMEN

Biomechanical analysis was performed to evaluate the effectiveness of mastering ukemi in preventing severe head injury in judo. One judo expert (tori) threw another judo expert (uke) with a skilled break-fall (ukemi) four times. We obtained kinematic data of uke with a digital video camera. Both translational and rotational accelerations were measured with a six-degree-of-freedom sensor affixed to uke's forehead. When Osoto-gari was performed, uke fell backward and his arm made contact with the tatami; the translational and rotational accelerations rose to peak values. The peak resultant translational and rotational accelerations were respectively 10.3 ± 1.6 G and 679.4 ± 173.6 rad/s2 (mean ± standard deviation). Furthermore, when comparing the values obtained for the judo experts with those obtained using an anthropomorphic test device (ATD: the POLAR dummy) that did not perform ukemi, both the peak resultant translational (P = 0.021) and rotational (P = 0.021) accelerations of uke were significantly lower than those for the ATD, whose head struck the tatami. Additionally, there was no significant difference among the three axis directions for either translational (ax: 7.4 ± 0.2, ay: 8.5 ± 2.1, az: 7.2 ± 0.8 G) or rotational (αx: 576.7 ± 132.7, αy: 401.0 ± 101.6, αz: 487.8 ± 66.6 rad/s2) acceleration. We confirmed that performing correct ukemi prevented the elevation of head acceleration by avoiding head contact with the tatami when a judoka is thrown by Osoto-gari. Judoka should therefore undertake intensive practice after they have acquired ukemi skills.


Asunto(s)
Aceleración , Traumatismos Craneocerebrales/prevención & control , Cabeza , Artes Marciales/lesiones , Artes Marciales/fisiología , Adulto , Fenómenos Biomecánicos , Traumatismos Craneocerebrales/etiología , Humanos , Masculino , Rotación
5.
Am J Phys Med Rehabil ; 98(10): 859-865, 2019 10.
Artículo en Inglés | MEDLINE | ID: mdl-31441834

RESUMEN

OBJECTIVE: Concussion with transient loss of consciousness is a commonly observed but poorly understood phenomenon with mounting clinical significance. This study aimed to examine the relationship between head motion in varying planes and transient loss of consciousness in athletes with brain injuries. STUDY DESIGN: A case-control design was used. The Ultimate Fighting Championship database was screened for events ending with knockouts from 2013 to 2016. Time of strike, striking implement, strike location, and head motion were recorded for all knockout strikes (cases) and for a subset of nonknockout strikes (controls). Characteristics of winners and losers were compared using two-tailed t tests. Multivariate logistic regression was used to determine odds ratios for strike characteristics associated with transient loss of consciousness. The Kaplan-Meier estimate was used to describe the temporal distribution of knockouts. RESULTS: One hundred thirty-six fights were identified and 110 videos were included. Head motion in the axial plane was strongly associated with transient loss of consciousness (odds ratio, 45.3; 95% confidence interval, 20.8-98.6). Other predictors of transient loss of consciousness were head motion in sagittal and coronal planes, nonfist striking implements, and strikes to the mandible or maxilla. The Kaplan-Meier survival curve demonstrated a decreasing rate of knockouts through time. CONCLUSIONS: Rotational head acceleration, particularly in the axial plane, is strongly associated with transient loss of consciousness.


Asunto(s)
Traumatismos Craneocerebrales/fisiopatología , Artes Marciales/lesiones , Inconsciencia/etiología , Adulto , Estudios de Casos y Controles , Traumatismos Craneocerebrales/etiología , Femenino , Cabeza/fisiopatología , Humanos , Estimación de Kaplan-Meier , Modelos Logísticos , Masculino , Movimiento (Física) , Oportunidad Relativa
6.
Pharmacoepidemiol Drug Saf ; 28(1): 90-96, 2019 01.
Artículo en Inglés | MEDLINE | ID: mdl-30375121

RESUMEN

PURPOSE: The purpose of the study is to determine whether initiatives to improve the safety of opioid prescribing decreased injuries in people using chronic opioid therapy (COT). METHODS: We conducted an interrupted time series analysis using data from Group Health (GH), an integrated health care delivery system in the United States. In 2007, GH implemented initiatives which substantially reduced daily opioid dose and increased patient monitoring. Among GH members age 18 or older receiving COT between 2006 and 2014, we compared injury rates for patients in GH's integrated group practice (IGP; exposed to the initiatives) vs patients cared for by contracted providers (not exposed). Injuries were identified using a validated algorithm. We calculated injury incidence during the baseline (preintervention) period from 2006 to 2007; the dose reduction period, 2008 to 2010; and the risk stratification and monitoring period, 2010 to 2014. Using modified Poisson regression, we estimated adjusted relative risks (RRs) representing the relative change per year in injury rates. RESULTS: Among 21 853 people receiving COT in the IGP and 8260 in contracted care, there were 2679 injuries during follow-up. The baseline injury rate was 1.0% per calendar quarter in the IGP and 0.9% in contracted care. Risk reduction initiatives did not decrease injury rates: Within the IGP, the RR in the dose reduction period was 1.01 (95% CI, 0.95-1.07) and in the risk stratification and monitoring period, 0.99 (95% CI, 0.95-1.04). Injury trends did not differ between the two care settings. CONCLUSIONS: Risk reduction initiatives did not decrease injuries in people using COT.


Asunto(s)
Analgésicos Opioides/efectos adversos , Dolor Crónico/tratamiento farmacológico , Traumatismos Craneocerebrales/epidemiología , Prestación Integrada de Atención de Salud/normas , Pautas de la Práctica en Medicina/normas , Adulto , Anciano , Traumatismos Craneocerebrales/etiología , Prestación Integrada de Atención de Salud/organización & administración , Prescripciones de Medicamentos/normas , Prescripciones de Medicamentos/estadística & datos numéricos , Femenino , Estudios de Seguimiento , Implementación de Plan de Salud , Humanos , Incidencia , Análisis de Series de Tiempo Interrumpido , Masculino , Persona de Mediana Edad , Guías de Práctica Clínica como Asunto , Pautas de la Práctica en Medicina/estadística & datos numéricos , Evaluación de Programas y Proyectos de Salud , Estados Unidos
7.
Phys Sportsmed ; 47(2): 205-211, 2019 05.
Artículo en Inglés | MEDLINE | ID: mdl-30408429

RESUMEN

OBJECTIVES: Mixed martial arts (MMA) has witnessed a surge in popularity worldwide. This study explores the musculoskeletal and head injuries sustained in the professional fights of the Ultimate Fighting Championship (UFC), and establishes associations between injury profiles and impactful contributory factors. METHODS: The Nevada State Athletic Commission database was screened for ringside physician reports of UFC fights between January 2016 and July 2018. Information on the fighter's gender, weight, injury, way of finish, and match result were collected. Injury rates were calculated and statistical analyses were conducted to determine significant associations among variables. P-values <0.05 were considered significant (95% CI). RESULTS: A total of 291 injuries were recorded in 285 fights from nine weight divisions. The overall injury rate was 51 per 100 athletic exposures (AE). Males predominantly partook in 249 matches (87%) and had higher injury rates (54 injuries per 100 AE) than females (30 injuries per 100 AE). Decision was the most common way a match ended. Knockouts (KOs) were significantly higher in males (36%) than in females (14%, P = 0.0007). Submissions were significantly higher in females (36%) than in males (16%, P = 0.001). Head injuries (67%) were the most common injuries reported with a rate of 34 per 100 AE. Upper limb injuries were significantly higher in females (40%) than in males (14%, P = 0.0003). Lower limb injuries were significantly higher in males (19%) than in females (5%, P = 0.01). Head injuries were significantly associated with KOs (P < 0.0001). Upper limb injuries (P = 0.032) and lower limb injuries (P = 0.034) were significantly associated with matches that ended with Decision. Trend-line analyses showed that as weight division increases, overall injury rates, head injuries, lower limb injuries, and KOs' frequency increase, whereas upper limb injuries, Submission frequency, and Decision frequency decrease. CONCLUSION: MMA has a high injury rate. Gender, way of finish, and weight play an important role in predicting fight outcomes and injury profiles. Injury prevention policies must be entertained to limit injury risk in MMA.


Asunto(s)
Traumatismos Craneocerebrales/etiología , Extremidad Inferior/lesiones , Artes Marciales/lesiones , Sistema Musculoesquelético/lesiones , Extremidad Superior/lesiones , Peso Corporal , Femenino , Humanos , Masculino , Factores Sexuales
8.
J Prim Prev ; 39(5): 421-435, 2018 Oct.
Artículo en Inglés | MEDLINE | ID: mdl-30043324

RESUMEN

Limited research has systematically examined injuries resulting from Brazilian Jiu Jitsu (BJJ), Judo, and mixed martial arts (MMA), especially when compared to more well-known or -established martial arts. These three combative sports differ substantially regarding their rules and techniques. BJJ emphasizes ground positioning and submission, Judo rewards throwing an opponent on their back with submission ending the match, and MMA emphasizes knocking out or forcing the submission of one's opponent. We examined injuries, among people of any age, experienced from participation in BJJ, Judo, and MMA. We analyzed data from the United States (U.S.) Consumer Product Safety Commission National Electronic Injury Surveillance System to create estimates of injuries presenting to U.S. emergency departments (EDs). We compared injury profiles between sports, including estimated numbers of injuries, their site, type, and mechanism. Participation in BJJ, Judo, and MMA resulted in an estimated 39,181 injuries presenting to U.S. EDs from 2008 through 2015. Strains and sprains were the most common diagnoses for BJJ and Judo participants, whereas abrasions/contusions were the most commonly diagnosed MMA injury. Being struck resulted in the majority of injuries for all three sports. The head was the most injured body region for BJJ and MMA, whereas the leg was the most injured body region for Judo. Finally, the majority of BJJ and Judo injuries occurred during noncompetitive grappling, whereas most MMA injuries occurred during competition. Our study adds to the limited literature examining injuries from BJJ, Judo, and MMA using data from a probability sample and is an initial step towards understanding the national burden of injury from participation in these sports. Given the quantity and severity of injuries sustained by participants, additional research is needed to assess the riskiness of participation and the effectiveness of interventions, such as improved personal protective gear and mats, as a means to prevent commonly occurring injuries.


Asunto(s)
Servicio de Urgencia en Hospital/estadística & datos numéricos , Artes Marciales/lesiones , Adolescente , Adulto , Niño , Preescolar , Traumatismos Craneocerebrales/epidemiología , Traumatismos Craneocerebrales/etiología , Femenino , Humanos , Traumatismos de la Pierna/epidemiología , Traumatismos de la Pierna/etiología , Masculino , Persona de Mediana Edad , Estados Unidos/epidemiología , Adulto Joven
9.
Vestn Otorinolaringol ; 83(1): 62-64, 2018.
Artículo en Ruso | MEDLINE | ID: mdl-29488501

RESUMEN

The objective of the present study was the enhancement of the effectiveness of the treatment of the consequences of the gunshot wounds and mine-blast injuries inflicted to the face, head, and neck encountered in the otolaryngological practice as well as the prevention of the formation of the large demarcation areas in the injured tissues and the preparation of these tissues for the further restorative treatment. Anti-microbial and anti-inflammatory photodynamic therapy (PDT) as well as light-emitting-diode (LED) phototherapy were carried out in 20 patients who suffered gunshot wounds and mine-blast injuries to the face, head, and neck. The photodynamic therapy was performed with the use of an aqueous solution of methylene blue at a concentration of 0.1%, the 'Alod-1' infrared laser ('Granat' modification, Russia), and the 'AFS-Solaris' light-emitting diode-based phototherapeutic apparatus (Russia). The analysis of the results of the study has demonstrated the high efficiency of the proposed approach that made it possible to prevent the development of severe septic complications, reduce the amount of drug therapy, significantly shorten duration of the treatment, and create the conditions for the earlier rehabilitation and further plastic and cosmetic restoration of the tissue structures.


Asunto(s)
Traumatismos por Explosión/complicaciones , Traumatismos Craneocerebrales , Oído/lesiones , Laringe/lesiones , Traumatismos del Cuello , Nariz/lesiones , Faringe/lesiones , Fotoquimioterapia , Fototerapia , Heridas por Arma de Fuego/complicaciones , Traumatismos Craneocerebrales/etiología , Traumatismos Craneocerebrales/terapia , Humanos , Rayos Infrarrojos/uso terapéutico , Láseres de Semiconductores/uso terapéutico , Masculino , Traumatismos del Cuello/etiología , Traumatismos del Cuello/terapia , Fotoquimioterapia/instrumentación , Fotoquimioterapia/métodos , Fototerapia/instrumentación , Fototerapia/métodos , Resultado del Tratamiento
10.
Phys Sportsmed ; 46(2): 155-167, 2018 May.
Artículo en Inglés | MEDLINE | ID: mdl-29347856

RESUMEN

OBJECTIVES: To assess injury rates in all mixed martial arts (MMA) studies. METHODS: Six online databases were searched until November 2017 including MEDLINE, EMBASE, CINAHL, Web of Science, PubMed, Google/Google Scholar and conference proceedings. All included studies were entered in Pub Med Single Citation Matcher and all citation chains followed. Abstracts and titles were assessed for relevance, data independently abstracted and risk of bias for all competition studies evaluated independently by two reviewers. RESULTS: There are data for 5,374 male and 108 female MMA fighters. For 2407 males the weighted average injury rate/1000Athletic Encounters (AE) was 246.4 and for one study of 108 females 101.9. One study provided data by professional status: professionals 135.5/1000AE and amateurs 71.0/1000AE. Reasons for stopping matches were knockout/technical knockout 173.9/1000AE for males and 175.9/1000AE for females, submission 228.6/1000AE, and referee's decision 98.2/1000AE. Losers can experience large amounts of trauma especially head trauma as matches terminate. Two studies of competitions provided personally conducted ringside assessments and both pre- and post-match examination results. The other studies reported retrospective assessments of fight records or videos or videos and scorecards. There are no studies of training injuries of professionals or injuries of amateurs or long-term follow-up of musculoskeletal injuries or neurological damage. Studies are limited to the US and Canada. There are no systematic reviews of newspaper or media accounts of fights to assess rates and numbers of injuries or mortality. The few published surveys and case reports markedly understate the worldwide situation. CONCLUSIONS: There are high rates of trauma in MMA. The authorities who regulate MMA and referees and physicians who monitor MMA fighters have an inadequate database to guide their work. Researchers need to adopt the same set of complete definitions of all possible injuries and measure the high and early rate of neurological damage.


Asunto(s)
Traumatismos en Atletas/epidemiología , Artes Marciales/lesiones , Conmoción Encefálica/etiología , Canadá/epidemiología , Traumatismos Craneocerebrales/etiología , Femenino , Humanos , Masculino , Estados Unidos/epidemiología
11.
Pediatrics ; 138(6)2016 12.
Artículo en Inglés | MEDLINE | ID: mdl-27940732

RESUMEN

The martial arts can provide children and adolescents with vigorous levels of physical exercise that can improve overall physical fitness. The various types of martial arts encompass noncontact basic forms and techniques that may have a lower relative risk of injury. Contact-based sparring with competitive training and bouts have a higher risk of injury. This clinical report describes important techniques and movement patterns in several types of martial arts and reviews frequently reported injuries encountered in each discipline, with focused discussions of higher risk activities. Some of these higher risk activities include blows to the head and choking or submission movements that may cause concussions or significant head injuries. The roles of rule changes, documented benefits of protective equipment, and changes in training recommendations in attempts to reduce injury are critically assessed. This information is intended to help pediatric health care providers counsel patients and families in encouraging safe participation in martial arts.


Asunto(s)
Traumatismos en Atletas/epidemiología , Participación de la Comunidad/estadística & datos numéricos , Artes Marciales/lesiones , Aptitud Física/fisiología , Adolescente , Factores de Edad , Traumatismos en Atletas/prevención & control , Conmoción Encefálica/etiología , Conmoción Encefálica/prevención & control , Traumatismos Craneocerebrales/etiología , Traumatismos Craneocerebrales/prevención & control , Femenino , Traumatismos Cerrados de la Cabeza , Humanos , Masculino , Medición de Riesgo , Factores Sexuales , Estados Unidos
12.
Middle East Afr J Ophthalmol ; 22(3): 370-6, 2015.
Artículo en Inglés | MEDLINE | ID: mdl-26180479

RESUMEN

PURPOSE: The purpose was to present a case series of vertical gaze paresis in patients with a history of cranioencephalic trauma (CET). METHODS: The clinical characteristics and management are presented of nine patients with a history of CET secondary to motor vehicle accidents with associated vertical gaze paresis. RESULTS: Neuroimaging studies indicated posttraumatic contusion of the thalamic-mesencephalic region in all nine patients who corresponded to the artery of Percheron region; four patients had signs of hemorrhagic transformation. Vertical gaze paresis was present in all patients, ranging from complete paralysis of the upward and downward gaze to a slight limitation of upward gaze. DISCUSSION: Posttraumatic vertical gaze paresis is a rare phenomenon that can occur in isolation or in association with other neurological deficits and can cause a significant limitation in the quality-of-life. Studies in the literature have postulated that the unique anatomy of the angle of penetration of the thalamoperforating and lenticulostriate arteries makes these vessels more vulnerable to isolated selective damage in certain individuals and can cause-specific patterns of CET.


Asunto(s)
Accidentes de Tránsito , Arterias Cerebrales/lesiones , Mesencéfalo/irrigación sanguínea , Trastornos de la Motilidad Ocular/etiología , Paresia/etiología , Tálamo/irrigación sanguínea , Adolescente , Adulto , Niño , Preescolar , Traumatismos Craneocerebrales/diagnóstico , Traumatismos Craneocerebrales/etiología , Humanos , Imagen por Resonancia Magnética , Masculino , Trastornos de la Motilidad Ocular/diagnóstico , Paresia/diagnóstico , Adulto Joven
14.
Am J Sports Med ; 42(6): 1287-9, 2014 Jun.
Artículo en Inglés | MEDLINE | ID: mdl-24879670
15.
Neurol Med Chir (Tokyo) ; 54(5): 374-8, 2014.
Artículo en Inglés | MEDLINE | ID: mdl-24477065

RESUMEN

Most severe head injuries in judo are reported as acute subdural hematoma. It is thus necessary to examine the rotational acceleration of the head to clarify the mechanism of head injuries. We determined the rotational acceleration of the head when the subject is thrown by judo techniques. One Japanese male judo expert threw an anthropomorphic test device using two throwing techniques, Osoto-gari and Ouchi-gari. Rotational and translational head accelerations were measured with and without an under-mat. For Osoto-gari, peak resultant rotational acceleration ranged from 4,284.2 rad/s(2) to 5,525.9 rad/s(2) and peak resultant translational acceleration ranged from 64.3 g to 87.2 g; for Ouchi-gari, the accelerations respectively ranged from 1,708.0 rad/s(2) to 2,104.1 rad/s(2) and from 120.2 g to 149.4 g. The resultant rotational acceleration did not decrease with installation of an under-mat for both Ouchi-gari and Osoto-gari. We found that head contact with the tatami could result in the peak values of translational and rotational accelerations, respectively. In general, because kinematics of the body strongly affects translational and rotational accelerations of the head, both accelerations should be measured to analyze the underlying mechanism of head injury. As a primary preventative measure, throwing techniques should be restricted to participants demonstrating ability in ukemi techniques to avoid head contact with the tatami.


Asunto(s)
Aceleración/efectos adversos , Traumatismos Craneocerebrales/etiología , Artes Marciales/lesiones , Acelerometría , Adulto , Humanos , Masculino , Maniquíes , Equipos de Seguridad , Rotación
16.
Clin J Sport Med ; 24(6): 497-501, 2014 Nov.
Artículo en Inglés | MEDLINE | ID: mdl-24451695

RESUMEN

OBJECTIVE: To provide an updated comprehensive profile of mixed martial arts (MMAs) injuries. DESIGN: Correlational and multivariate analyses were conducted on cross-sectional data to examine injuries sustained during 711 MMA bouts. One physician diagnosed any injuries occurring during the bouts. SETTING: Various sports venues in Kansas and Missouri holding MMA competitions. PARTICIPANTS: Male and female and amateur and professional MMA competitors contributing to 1422 fight participations (fight participations = 711 bouts × 2 fighters/bout). INDEPENDENT VARIABLES: State, level (amateur or professional), gender, number of rounds, and bout outcome (knockout/technical knockout [KO/TKO] vs other outcomes [eg, decision]). MAIN OUTCOME MEASURES: Injuries/fight participations, injury sustained (yes vs no), and fighter referred to emergency room (ER; yes vs no). RESULTS: The overall injury rate was 8.5% of fight participations (121 injuries/1422 fight participations) or 5.6% of rounds (121/2178 rounds). Injury rates were similar between men and women, but a greater percentage of the injuries caused an altered mental state in men. The risk of being injured was significantly greater for bouts held in Kansas, at the professional level, lasting more rounds, and ending in a KO/TKO. Fighters also were more likely to be referred to the ER if they participated in longer bouts ending in a KO/TKO. CONCLUSIONS: The observed injury rate was lower than previously reported suggesting recent regulatory changes have made MMA a safer sport. Increased clinical awareness and additional research should be extended to head-related injuries in MMAs especially those associated with KOs/TKOs.


Asunto(s)
Traumatismos Craneocerebrales/epidemiología , Fracturas Óseas/epidemiología , Laceraciones/epidemiología , Artes Marciales/lesiones , Trastornos de la Conciencia/epidemiología , Trastornos de la Conciencia/etiología , Traumatismos Craneocerebrales/etiología , Estudios Transversales , Femenino , Fracturas Óseas/etiología , Humanos , Kansas/epidemiología , Laceraciones/etiología , Modelos Logísticos , Masculino , Missouri/epidemiología , Factores de Riesgo
17.
Br J Sports Med ; 47(18): 1139-43, 2013 Dec.
Artículo en Inglés | MEDLINE | ID: mdl-24255909

RESUMEN

BACKGROUND: There is limited knowledge on epidemiological injury data in judo. OBJECTIVE: To systematically review scientific literature on the frequency and characteristics of injuries in judo. METHODS: The available literature up to June 2013 was searched for prospective as well as retrospective studies on injuries in judo. Data extraction and presentation focused on the incidence rate, injury risk, types, location and causes of injuries. RESULTS: During the Olympic Games in 2008 and 2012, an average injury risk of about 11-12% has been observed. Sprains, strains and contusions, usually of the knee, shoulder and fingers, were the most frequently reported injuries, whereas being thrown was the most common injury mechanism. Severe injuries were quite rare and usually affected the brain and spine, whereas chronic injuries typically affected the finger joints, lower back and ears. The most common types of injuries in young judo athletes were contusions/abrasions, fractures and sprains/strains. Sex-differences data on judo injuries were mostly inconsistent. Some studies suggested a relationship between nutrition, hydration and/or weight cycling and judo injuries. Also, psychological factors may increase the risk of judo injuries. CONCLUSIONS: The present review provides the latest knowledge on the frequency and characteristics of injuries in judo. Comprehensive knowledge about the risk of injury during sport activity and related risk factors represents an essential basis to develop effective strategies for injury prevention. Thus, the introduction of an ongoing injury surveillance system in judo is of utmost importance.


Asunto(s)
Artes Marciales/lesiones , Adolescente , Traumatismos en Atletas/epidemiología , Traumatismos en Atletas/etiología , Traumatismos en Atletas/prevención & control , Niño , Contusiones/epidemiología , Contusiones/etiología , Traumatismos Craneocerebrales/epidemiología , Traumatismos Craneocerebrales/etiología , Métodos Epidemiológicos , Extremidades/lesiones , Femenino , Fracturas Óseas/epidemiología , Fracturas Óseas/etiología , Humanos , Luxaciones Articulares/epidemiología , Luxaciones Articulares/etiología , Masculino , Distribución por Sexo , Traumatismos Vertebrales/epidemiología , Traumatismos Vertebrales/etiología , Esguinces y Distensiones/epidemiología , Esguinces y Distensiones/etiología , Adulto Joven
18.
Am J Sports Med ; 41(8): 1915-21, 2013 Aug.
Artículo en Inglés | MEDLINE | ID: mdl-23765041

RESUMEN

BACKGROUND: Few studies have documented catastrophic head and neck injuries in judo, but these injuries deserve greater attention. PURPOSE: To determine the features of catastrophic head and neck injuries in judo. STUDY DESIGN: Descriptive epidemiological study. METHODS: This study was based on the accident reports submitted to the All Japan Judo Federation's System for Compensation for Loss or Damage. A total of 72 judo injuries (30 head, 19 neck, and 23 other injuries) were reported between 2003 and 2010. The investigated parameters were mechanism of injury, age at time of injury, length of judo experience, diagnosis, and outcome. RESULTS: Among head injuries, 27 of 30 (90%) occurred in players younger than 20 years of age. The relationship between age, mechanism, and location of injury was more relevant when players younger than 20 years incurred head injury while being thrown (P = .0026). Among neck injuries, 13 of 19 (68%) occurred in players with more than 36 months of experience. The relationship between experience, mechanism, and location of injury was more relevant when experienced players incurred neck injury while executing an offensive maneuver (P = .0294). Acute subdural hematoma was diagnosed in 94% of head injuries. The outcomes of head injury were as follows: 15 players died; 5 were in a persistent vegetative state; 6 required assistance because of higher brain dysfunction, hemiplegia, or aphasia; and 4 had full recovery. Among neck injuries, 18 players were diagnosed with cervical spine injury, 11 of whom had fracture-dislocation of the cervical vertebra; there was also 1 case of atlantoaxial subluxation. The outcomes of neck injury were as follows: 7 players had complete paralysis, 7 had incomplete paralysis, and 5 had full recovery. CONCLUSION: Neck injuries were associated with having more experience and executing offensive maneuvers, whereas head injuries were associated with age younger than 20 years and with being thrown.


Asunto(s)
Traumatismos Craneocerebrales/epidemiología , Artes Marciales/lesiones , Traumatismos del Cuello/epidemiología , Adolescente , Adulto , Distribución por Edad , Anciano , Niño , Traumatismos Craneocerebrales/diagnóstico , Traumatismos Craneocerebrales/etiología , Traumatismos Craneocerebrales/terapia , Femenino , Humanos , Incidencia , Japón/epidemiología , Masculino , Persona de Mediana Edad , Traumatismos del Cuello/diagnóstico , Traumatismos del Cuello/etiología , Traumatismos del Cuello/terapia , Estudios Retrospectivos , Factores de Riesgo , Resultado del Tratamiento , Adulto Joven
20.
Ophthalmic Plast Reconstr Surg ; 29(5): e126-8, 2013.
Artículo en Inglés | MEDLINE | ID: mdl-23235516

RESUMEN

Traumatic aneurysms, pseudoaneurysms, and arteriovenous (AV) fistulas of the superficial temporal artery (STA) are uncommon, accounting for only 0.5% to 2.0% of all aneurysms subjected to surgery. In the literature that relates to the STA, the general term "aneurysm following traumatic injury" often includes a wide array of pathologic entities, including proper aneurysms, pseudoaneurysms, and AV fistulas. In 75% of cases, such aneurysms are due to blunt trauma. Within this group, STA AV fistulas constitute an exceedingly rare subset. The case presents the occurrence of a traumatic AV fistula of the STA following blunt trauma (karate kick) and provides the first description of the histologic appearance of this lesion.


Asunto(s)
Malformaciones Vasculares del Sistema Nervioso Central/diagnóstico , Enfermedades Arteriales Cerebrales/diagnóstico , Traumatismos Craneocerebrales/diagnóstico , Artes Marciales/lesiones , Arterias Temporales/patología , Malformaciones Vasculares del Sistema Nervioso Central/etiología , Malformaciones Vasculares del Sistema Nervioso Central/cirugía , Enfermedades Arteriales Cerebrales/etiología , Enfermedades Arteriales Cerebrales/cirugía , Traumatismos Craneocerebrales/etiología , Traumatismos Craneocerebrales/cirugía , Procedimientos Endovasculares , Humanos , Angiografía por Resonancia Magnética , Imagen por Resonancia Magnética , Masculino , Persona de Mediana Edad
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