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1.
Plast Reconstr Surg Glob Open ; 12(3): e5646, 2024 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-38515558

RESUMO

Background: The present study investigates the impact of oxidative stress after bariatric surgery in patients with obesity. This field of study has gained great interest in recent years due to the role that oxidative stress plays in metabolic diseases. Obesity, by itself, can generate an increase in reactive oxygen and nitrogen species, intensifying cellular damage and promoting the progression of adverse metabolic conditions. In this context, bariatric surgery emerges as a candidate capable of modifying oxidative stress biomarkers, facilitating the patient's metabolic recovery. Methods: A systematic review was carried out, identifying 30 studies found in databases such as PubMed, Scopus, Web of Science, and Google Scholar. It looked at the link between oxidative stress and recovery after bariatric surgery in patients. The selection of studies was based on the measurement of oxidative stress biomarkers before and after surgical intervention. Results: The results reveal a significant decrease in oxidative stress biomarkers after bariatric surgery. However, a notable variability in antioxidant activity is observed between different patients, as well as a significant influence of comorbidities. Conclusions: Bariatric surgery is postulated as an effective intervention in reducing oxidative stress in patients with obesity, enhancing antioxidant activity and improving patient recovery. This finding highlights the importance of considering oxidative stress management as an integral part of postoperative care, suggesting the need to implement complementary treatment strategies to optimize health outcomes.

2.
Cir. plást. ibero-latinoam ; 44(3): 287-295, jul.-sept. 2018. ilus, tab, graf
Artigo em Espanhol | IBECS | ID: ibc-180029

RESUMO

Introducción y Objetivo: La posición expuesta del pabellón auricular lo predispone a una gran cantidad de lesiones. Su reconstrucción tras amputación traumática o laceración requiere una evaluación cuidadosa y experiencia en reconstrucción auricular para lograr un resultado exitoso. El tratamiento temprano de este tipo de lesiones previene la cicatrización defectuosa y por lo tanto mejores condiciones para una reconstrucción estética. El objetivo del presente estudio es conocer la población más afectada por el trauma del pabellón auricular y su etiología en nuestro medio. Material y Método: Realizamos un estudio retrospectivo de pacientes diagnosticados de trauma del pabellón auricular atendidos por la División de Cirugía Plástica y Reconstructiva del Hospital General Dr. Manuel Gea González de la Ciudad de México (México), durante un período de 5 años, con un total de 214 pacientes. Resultados: Dada la especial exposición del pabellón auricular en varones que usan pelo corto, la proporción en cuanto a sexo fue 4.5:1 en nuestra serie. La edad más frecuente fue los 33 años; entre los 0 y 40 años se encontró el 82% de los pacientes, con un promedio de 26 años de edad. El lado izquierdo fue el más afectado (54.6% de los casos). La mayoría de las lesiones fueron, de acuerdo a la clasificación de Weerda, de grado I (abrasiones o heridas sin compromiso del cartílago), con un 37.8% de los casos, seguidas por las de grado IV (lesiones por avulsión con pérdida de segmento o amputación total) con pérdida de cartílago en el 35.5%. El mecanismo más frecuente fue un traumatismo directo seguido por la mordedura humana. El área anatómica más afectada fue el hélix, seguramente por ser la estructura más externa. No hubo ningún caso candidato a reimplante. Conclusiones: Este trabajo nos permitió establecer el grupo de edad más afectado en nuestro medio por trauma auricular, así como las principales causas del mismo. Aportamos también 2 casos de lesión iatrogénica en pabellón auricular en pacientes pediátricos que nos ayudaran a prevenir o evitar dichas complicaciones El 59.3% de los casos se debió a riñas o agresión por tercera persona, cifra que refleja la problemática social de nuestro país


Background and Objective: The anatomical localization or the auricles make them susceptible of trauma. Reconstruction after traumatic amputation requires a careful evaluation and experienced surgeon in auricle reconstruction for a good result. Early treatment of this kind of lesions avoids pathologic wound healing and gets proper conditions for auricle reconstruction. The objective of our study is to know which is the most affected population by auricle trauma and the etiology of this lesions in our area. Methods: We realized a retrospective study analyzing clinical and photographic files of the patients attended by auricle trauma in a 5 years period at Hospital General Dr. Manuel Gea González in the City of México (México): a total of 214 patients. Results: Because of the exposed localization of the auricle in males with short hair, we found a rate 4.5:1 male/female in our study. The most frequent age was 33 years and 82% of the patients were between 10 and 40 years old, with a media of 26 years old. Left side was involved in 54.6%. Concerning Weerda classification 37.8% cases were I degree (wounds without cartilage compromise) followed by 35.5% cases in IV degree (avulsion with certain degree of cartilage lost). The most frequent mechanism of injury was by direct trauma followed by human bite. The most frequent localization was the helix that could be explained by being the most external part of the auricle. None of our patients were reimplantation candidate. Conclusions: Our study let us establish the most frequently affected age group in our area by auricle trauma, and its main etiology. Besides, we report two cases of iatrogenic auricle lesion in pediatric patients than can help us to prevent or avoid these complications. In our series, 59.3% of the cases was due to fights or aggressions for a third person, that reflect the social problematic in our country


Assuntos
Humanos , Masculino , Feminino , Recém-Nascido , Lactente , Pré-Escolar , Criança , Adolescente , Adulto Jovem , Adulto , Pessoa de Meia-Idade , Idoso , Idoso de 80 Anos ou mais , Pavilhão Auricular/lesões , Pavilhão Auricular/cirurgia , Ferimentos e Lesões/cirurgia , Mordeduras Humanas/cirurgia , Estudos Retrospectivos , Queimaduras/cirurgia
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