The human factor and ergonomics in Patient Safety.

The human condition is linked to error in any activity that is performed, and the healthcare world is no exception. The origin of human error does not lie within the perversity of human nature, instead, it has its origins in latent failures in the healthcare environment and is a consequence of the processes and procedures applied. The science of the Human Factor deals with the application of knowledge to people (capabilities, characteristics and limitations), with the design and the management of the equipment they use and with the environments in which they work and the activities they carry out. Part of the Human Factor are the non-technical skills. These skills greatly influence people's behavior and, therefore, their performance and the quality of healthcare in a very complex socio-technical system.

Perforación traqueal diferida tras cirugía tiroidea en un paciente con radioterapia cervical.

Tracheal perforation is a rare complication of thyroid surgery. A 36-year-old man with previous neck radiotherapy due to a nasopharyngeal cancer. After right hemithyoidectomy and isthmusectomy, the patient presented a tracheal perforation. The diagnosis was confirmed with computed tomography and bronchoscopy. A conservative management was performed with drainage and antibiotic therapy, and the evolution was satisfactory. If recognized at the time of the surgery, perforations should be closed primarily. Delayed perforations will be treated with an emergency surgery or conservatively depending on the clinical situation of the patient.

La perforación traqueal es una rara complicación de la cirugía tiroidea. Varón de 36 años con antecedente de radioterapia cervical por una neoplasia de cavum sometido a hemitiroidectomía derecha e istmectomía que durante el posoperatorio presentó una perforación traqueal confirmada por tomografía computarizada y broncoscopia. Se realizó manejo conservador con drenaje y antibioticoterapia, evolucionando de forma favorable. Las perforaciones identificadas durante la cirugía deben ser reparadas intraoperatoriamente, mientras que las diferidas se tratarán de forma quirúrgica urgente o de manera conservadora en función de la situación clínica del paciente.

Neuroendocrine tumor of the ampulla of Vater. Review of the literature.

Neuroendocrine tumors (NETs) or carcinoids represent a small percentage of gastrointestinal neoplasms (2%). The ileum (41.8%), rectum (27.4%) and stomach (8.7%) are the most common locations. We present an unusual case of NET due to its origin in the ampulla of Vater, as an extremely rare cause of biliary obstruction. A bibliographic review of the current recommendations of management and treatment for this case, different from other locations of the gastrointestinal tract is carried out. The curative treatment of choice for early-stage Vater ampulla NETs is Whipple surgery with lymphadenectomy due to Its high rate of lymphatic and metastatic dissemination, regardless of size and histological grade, although there are no updated official guidelines.

Recidiva local de adenomas de paratiroides como causa infrecuente de hiperparatiroidismo primario recurrente / Local relapse of parathyroid adenomas: an uncommon cause of recurrent primary hyperparathyroidism

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Intussusception After Bariatric Surgery.

A case of bowel intussusception in a 43-year-old woman with a history of Roux-en-Y gastric bypass surgery is presented.

Obstrucción intestinal por evisceración vaginal como complicación tardía de la braquiterapia / Intestinal obstruction due to vaginal evisceration as a late complication of brachytherapy

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Carcinoma papilar intraquístico de mama en un varón joven. Presentación de un caso / Intracystic papillary carcinoma of the breast in a young man. Case report

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Síndrome del cascanueces (nutcracker): una causa rara de dolor abdominal / Nutcracker syndrome: a rare cause of abdominal pain

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Técnica de Karydakis modificada para el tratamiento del sinus pilonidal gigante / Modified Karydakis procedure for giant pilonidal sinus

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Acute abdomen from duodenal diverticulitis. A case report.

Duodenal diverticula are a rare, usually asymptomatic clinical condition. When a complication arises clinical suspicion is key for the diagnosis. On occasion these patients receive a delayed diagnosis and undergo inadequate medical therapy. We report the case of a patient with evidence of duodenal diverticulitis in association with gallbladder inflammation by contiguity, as well as his diagnosis and management.

Abdomen agudo por diverticulitis duodenal. Caso clínico / Acute abdomen from duodenal diverticulitis. A case report

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Small bowel mesenchymal tumors: description of two unusual cases.

We present two cases of intestinal ileal GIST who developed complications of nonspecific signs and required to be operated urgently, providing unusual images of tumors because of its characteristics.

Tumores mesenquimales de intestino delgado: descripción de dos casos inusuales / Small bowel mesenchymal tumors: description of two unusual cases

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Enfermedad de Mondor de la mama: una entidad clínica poco frecuente / Mondor disease of the breast: an uncommon clinical entity

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Apendagitis epiploica recidivada contralateral / Recurrent contralateral epiploic appendagitis

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[Pneumoperitoneum due to splenic abscess: a diagnostic challenge. Case Report]. / Neumoperitoneo por absceso esplénico: un reto diagnóstico. Reporte de un caso.

BACKGROUND: Splenic abscess is a rare clinic entity, its incidence has increased due to the rising number of clinical conditions involving immunosuppression. Endocarditis is the most frequent cause, and gram-positive aerobes are the main causal agents. Its clinical presentation is non-specific and delays diagnosis. Computed tomography scan is the method of choice, and the treatment is based on antibiotics and drainage, radiological or surgical, involving splenectomy in special cases that require it. CLINICAL CASE: A 55-year-old man with abdominal pain and fever. The analysis revealed leukocytosis 14,000/mm3, prothrombin activity 53%, and metabolic acidosis. Computed tomography scan showed a peri-hepatic pneumoperitoneum, liquid fluid, and peri-splenic bubbles, and slight trabeculation of fat around the duodenal bulb with pneumoperitoneum in this area. Patient underwent a median laparotomy, finding a purulent peritonitis due to a ruptured abscess in the spleen, splenectomy was performed. Fluid culture showed polymorphonuclears, with no microorganisms identified. The patient progressed and was discharged on the 5th post-operative day. CONCLUSIONS: Splenic abscess is an uncommon condition, in which the diagnosis is delayed and mortality, in untreated patients, is high. Its association with pneumoperitoneum may confuse the diagnosis towards viscera perforation. Thus it must be suspected in the finding of unknown cause of pneumoperitoneum by complementary examinations. The treatment of choice is splenectomy, because the capsular rupture is the norm in all of them.