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Article ; Online: Thoracoscopic management of congenital esophageal stenosis secondary to tracheobronchial remnant in pediatric patients.

Walter, R / Moreno, M / Pedraza, M / Cabrera, L / Aparicio, B

Cirugia pediatrica : organo oficial de la Sociedad Espanola de Cirugia Pediatrica

2021 Volume 34, Issue 3, Page(s) 134–137

Abstract: Introduction: Congenital esophageal stenosis (CES) is an extremely rare pathology in children, with an incidence of 1/25,000-50,000 live births. According to its histopathological classification, there are three types of CES: fibromuscular hyperplasia, ... ...

Title translation	Manejo toracoscópico en estenosis esofágica congénita secundaria a remanente traqueobronquial, en población pediátrica.
Abstract	Introduction: Congenital esophageal stenosis (CES) is an extremely rare pathology in children, with an incidence of 1/25,000-50,000 live births. According to its histopathological classification, there are three types of CES: fibromuscular hyperplasia, membranous diaphragm, and tracheobronchial remnants. Clinical case: We present the clinical case of a 39-month-old male patient diagnosed with CES secondary to tracheobronchial remnants, with multiple vomit and reflux episodes since he was 4 months old. He was admitted at the emergency department with respiratory distress. An upper GI endoscopy and an esophagogram were initially carried out. Stenosis resection and thoracoscopic esophageal anastomosis were performed. Conclusions: Tracheobronchial remnants are the second most common presentation of congenital esophageal stenosis. They can be managed through dilatations or surgery according to etiology.
MeSH term(s)	Child ; Child, Preschool ; Digestive System Surgical Procedures ; Dilatation ; Esophageal Stenosis/etiology ; Esophageal Stenosis/surgery ; Gastroesophageal Reflux ; Humans ; Infant ; Male ; Vomiting
Language	Spanish
Publishing date	2021-07-01
Publishing country	Spain
Document type	Case Reports
ZDB-ID	1214833-7
ISSN	2445-2807 ; 0214-1221
ISSN (online)	2445-2807
ISSN	0214-1221
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Article ; Online: Experience in colorectal surgery at a quaternary care hospital in Bogotá, Colombia.

Romo, J A / Aguilera, P A / López, A / Pedraza, M / Figueroa, C

Revista de gastroenterologia de Mexico (English)

2022 Volume 88, Issue 3, Page(s) 214–219

Abstract: Introduction and aims: Colorectal cancer is among the three most common cancers worldwide. Knowledge and identification of suboptimal outcome-associated factors enable comprehensive patient management. The aim of the present study was to present the ... ...

Abstract	Introduction and aims: Colorectal cancer is among the three most common cancers worldwide. Knowledge and identification of suboptimal outcome-associated factors enable comprehensive patient management. The aim of the present study was to present the results of the surgical management of colorectal cancer at a quaternary care university hospital. Materials and methods: An observational, analytic, cross-sectional study was conducted. Information was collected on a retrospective cohort of patients diagnosed with colorectal cancer from 2013 to 2017 at the Hospital Universitario Mayor Méderi, Bogotá, Colombia. Results: Data on 452 patients, within the study period, were collected. A total of 48.5% of the patients were men, the overall complication rate was 24%, the surgical site infection (SSI) rate was 15.38%, anastomotic dehiscence occurred in 4.18% of the patients, bleeding required reoperation in 1.32%, and the intrahospital mortality rate was 7.47%. Conclusion: Colorectal cancer management at a university hospital was as beneficial as that provided by other types of hospitals, showing a direct association with complete R0 dissections; low complication rates, according to international reports; and reduced overall morbidity.
Language	English
Publishing date	2022-05-04
Publishing country	Mexico
Document type	Journal Article
ZDB-ID	2828765-4
ISSN	2255-534X ; 2255-534X
ISSN (online)	2255-534X
ISSN	2255-534X
DOI	10.1016/j.rgmxen.2021.08.013
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Article ; Online: Early presentation of post-intubation tracheoesophageal fistula with severe tracheal stenosis in COVID-19 patient.

García-Herreros, L G / Jiménez, A / Cabrera, L F / Vinck, E E / Pedraza, M

Annals of the Royal College of Surgeons of England

2021 Volume 103, Issue 5, Page(s) e144–e147

Abstract: The current global COVID-19 pandemic is caused by the novel coronavirus severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). Currently, acquired tracheoesophageal fistulas are mainly iatrogenic lesions produced by prolonged tracheal intubation. ... ...

Abstract	The current global COVID-19 pandemic is caused by the novel coronavirus severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). Currently, acquired tracheoesophageal fistulas are mainly iatrogenic lesions produced by prolonged tracheal intubation. We present a case of tracheoesophageal fistula with severe tracheal stenosis following tracheal intubation in a patient with SARS-CoV-2 infection.
MeSH term(s)	Adult ; Anastomosis, Surgical/methods ; Bronchoscopy/methods ; COVID-19/complications ; COVID-19/therapy ; Humans ; Intubation, Intratracheal/adverse effects ; Male ; Operating Rooms ; Otorhinolaryngologic Surgical Procedures/methods ; Patient Isolators ; Respiration, Artificial ; Respiratory Distress Syndrome/etiology ; Respiratory Distress Syndrome/therapy ; SARS-CoV-2 ; Tomography, X-Ray Computed ; Tracheal Stenosis/etiology ; Tracheal Stenosis/surgery ; Tracheoesophageal Fistula/etiology ; Tracheoesophageal Fistula/surgery
Language	English
Publishing date	2021-03-08
Publishing country	England
Document type	Case Reports ; Journal Article
ZDB-ID	80044-2
ISSN	1478-7083 ; 0035-8843
ISSN (online)	1478-7083
ISSN	0035-8843
DOI	10.1308/rcsann.2020.7065
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Article ; Online: Giant retroperitoneal liposarcoma surgical management.

Herrera-Almario, G / Cabrera, L F / Londoño-Schimmer, E E / Pedraza, M

Annals of the Royal College of Surgeons of England

2021 Volume 104, Issue 2, Page(s) e54–e56

Abstract: Retroperitoneal liposarcomas are very infrequent retroperitoneal malignant tumours. Most patients complain of palpable abdominal mass and only half present with abdominal pain. With haematogenous spread they can reach, mainly, lungs and liver, but only ... ...

Abstract	Retroperitoneal liposarcomas are very infrequent retroperitoneal malignant tumours. Most patients complain of palpable abdominal mass and only half present with abdominal pain. With haematogenous spread they can reach, mainly, lungs and liver, but only in 10% of cases. Here we report the presentation and surgical treatment of a giant massive retroperitoneal liposarcoma in a 53-year-old man.
MeSH term(s)	Abdominal Pain ; Humans ; Liposarcoma/diagnostic imaging ; Liposarcoma/surgery ; Male ; Middle Aged ; Retroperitoneal Neoplasms/diagnostic imaging ; Retroperitoneal Neoplasms/pathology ; Retroperitoneal Neoplasms/surgery
Language	English
Publishing date	2021-11-22
Publishing country	England
Document type	Case Reports ; Journal Article
ZDB-ID	80044-2
ISSN	1478-7083 ; 0035-8843
ISSN (online)	1478-7083
ISSN	0035-8843
DOI	10.1308/rcsann.2021.0101
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Article ; Online: COVID-19

Galvis Pedraza, Maryory

Interdisciplinary Journal of Epidemiology and Public Health; Vol 3 No; e-6230 ; Interdisciplinary Journal of Epidemiology and Public Health; Vol. 3 Núm. 1 (2020); e-6230 ; 2665-427X

Perspective, what we know and learn ; COVID-19: Perspectiva, lo que sabemos y lo que aprendemos

2020 Volume 1

Abstract: Se presenta un panorama amplio de lo que fue el inicio de esta pandemía Covid 19, y los retos que representa para los profesionales de la salud y las personas que contribuyen en el bienestar social. Los datos que presenta están soportados con literatura ... ...

Abstract	Se presenta un panorama amplio de lo que fue el inicio de esta pandemía Covid 19, y los retos que representa para los profesionales de la salud y las personas que contribuyen en el bienestar social. Los datos que presenta están soportados con literatura científica, mientras a manera narrativa cuenta mi punto de vista como Epidemióloga.
Keywords	Perspectiva ; Covid 19 ; Epidemiología ; experiencias ; covid19
Language	English
Publishing date	2020-05-05
Publisher	Universidad Libre
Publishing country	co
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article ; Online: Case Report: Laparoscopic Management of Acute Appendicitis Resulting from Ascaris lumbricoides.

Castañeda, Catalina / Valbuena, Diego / Salamanca, William / Acevedo, David / Pedraza, Mauricio

The American journal of tropical medicine and hygiene

2022 Volume 107, Issue 1, Page(s) 130–131

Abstract: Appendicitis is one of the most common conditions that leads to an acute abdomen. Surgical management is the gold standard for therapy. The main cause of appendicitis is an obstruction in the appendicular lumen. Intestinal ascariasis infection is ... ...

Abstract	Appendicitis is one of the most common conditions that leads to an acute abdomen. Surgical management is the gold standard for therapy. The main cause of appendicitis is an obstruction in the appendicular lumen. Intestinal ascariasis infection is undoubtedly one of the least frequent. We present a female patient with acute appendicitis resulting from Ascaris lumbricoides as an incidental intraoperative diagnosis.
MeSH term(s)	Acute Disease ; Animals ; Appendicitis/complications ; Appendicitis/surgery ; Appendix ; Ascariasis/complications ; Ascariasis/diagnosis ; Ascariasis/drug therapy ; Ascaris lumbricoides ; Female ; Humans ; Intestinal Obstruction/etiology ; Laparoscopy/adverse effects
Language	English
Publishing date	2022-06-06
Publishing country	United States
Document type	Case Reports
ZDB-ID	2942-7
ISSN	1476-1645 ; 0002-9637
ISSN (online)	1476-1645
ISSN	0002-9637
DOI	10.4269/ajtmh.21-1245
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Article ; Online: Interplay Between Macrophages and Angiogenesis: A Double-Edged Sword in Liver Disease.

Ramirez-Pedraza, Marta / Fernández, Mercedes

Frontiers in immunology

2019 Volume 10, Page(s) 2882

Abstract: During chronic liver disease, macrophages support angiogenesis, not only by secreting proangiogenic growth factors and matrix-remodeling proteases, but also by physically interacting with the sprouting vasculature to assist the formation of complex ... ...

Abstract	During chronic liver disease, macrophages support angiogenesis, not only by secreting proangiogenic growth factors and matrix-remodeling proteases, but also by physically interacting with the sprouting vasculature to assist the formation of complex vascular networks. In the liver, macrophages acquire specific characteristics becoming Kupffer cells and working to ensure protection and immunotolerance. Angiogenesis is another double-edged sword in health and disease and it is the biggest ally of macrophages allowing its dissemination. Angiogenesis and fibrosis may occur in parallel in several tissues as macrophages co-localize with newly formed vessels and secrete cytokines, interleukins, and growth factors that will activate other cell types in the liver such as hepatic stellate cells and liver sinusoidal endothelial cells, promoting extracellular matrix accumulation and fibrogenesis. Vascular endothelial growth factor, placental growth factor, and platelet-derived growth factor are the leading secreted factors driving pathological angiogenesis and consequently increasing macrophage infiltration. Tumor development in the liver has been widely linked to macrophage-mediated chronic inflammation in which epidermal growth factors, STAT3 and NF-kβ are some of the most relevant signaling molecules involved. In this article, we review the link between macrophages and angiogenesis at molecular and cellular levels in chronic liver disease.
MeSH term(s)	Hepatic Stellate Cells/immunology ; Hepatic Stellate Cells/pathology ; Humans ; Immune Tolerance ; Intercellular Signaling Peptides and Proteins/immunology ; Kupffer Cells/immunology ; Kupffer Cells/pathology ; Liver Diseases/immunology ; Liver Diseases/pathology ; Neovascularization, Pathologic/immunology ; Neovascularization, Pathologic/pathology ; Signal Transduction/immunology
Chemical Substances	Intercellular Signaling Peptides and Proteins
Language	English
Publishing date	2019-12-12
Publishing country	Switzerland
Document type	Journal Article ; Research Support, Non-U.S. Gov't ; Review
ZDB-ID	2606827-8
ISSN	1664-3224 ; 1664-3224
ISSN (online)	1664-3224
ISSN	1664-3224
DOI	10.3389/fimmu.2019.02882
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Article ; Online: Anterolateral Thoracotomy: A Novel and Simple Technique to Improve the Closure Using the Self Locking Knot.

Cabrera Vargas, Luis Felipe / Pedraza, Mauricio / Mantilla-Sylvain, Fabien / Garavis Montagut, Isabella

The Thoracic and cardiovascular surgeon

2023 Volume 72, Issue 2, Page(s) 162–163

Abstract: Thoracotomy is defined as an incision made by the surgeon in the chest wall in order to allow visibility of the thoracic cavity content. This can be used by surgeons to treat thoracic cavity content diseases including the heart, lungs, esophagus, and ... ...

Abstract	Thoracotomy is defined as an incision made by the surgeon in the chest wall in order to allow visibility of the thoracic cavity content. This can be used by surgeons to treat thoracic cavity content diseases including the heart, lungs, esophagus, and other organs. Thoracic incision closure remains an item with no consensus. Therefore, we present an easy way and give a little tip for closure using the slipknot that will allow the correct approach of ribs and the successful closure of the intercostal space.
MeSH term(s)	Humans ; Thoracotomy/methods ; Treatment Outcome ; Thoracic Wall/surgery ; Heart ; Lung/surgery
Language	English
Publishing date	2023-04-18
Publishing country	Germany
Document type	Journal Article
ZDB-ID	800050-5
ISSN	1439-1902 ; 0171-6425 ; 0946-4778 ; 0172-6137
ISSN (online)	1439-1902
ISSN	0171-6425 ; 0946-4778 ; 0172-6137
DOI	10.1055/a-2075-8048
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Article ; Online: Workplace bullying and sexual harassment among general surgery residents in Colombia

Domínguez, Luis Carlos / Torregrosa, Lilian / Cuevas, Liliana / Peña, Laura / Sánchez, Sebastián / Pedraza, Mauricio / Sanabria, Álvaro

Biomedica : revista del Instituto Nacional de Salud

2023 Volume 43, Issue 2, Page(s) 252–260

Abstract: Introduction: Workplace bullying and sexual harassment are concerns among general surgery residents in Colombia.: Objetive: To explore the prevalence and impact of workplace bullying and sexual harassment incidents among general surgery residents in ... ...

Title translation	Acoso laboral y sexual en residentes de cirugía general en Colombia
Abstract	Introduction: Workplace bullying and sexual harassment are concerns among general surgery residents in Colombia. Objetive: To explore the prevalence and impact of workplace bullying and sexual harassment incidents among general surgery residents in Colombia. Materials and methods: This nationwide study was conducted in 2020. Residents selfrated their exposure to workplace bullying and to sexual harassment in the forms of gender harassment, unwanted sexual attention, and sexual coercion. We analyzed demographic variables, perpetrator’s characteristics, and differences between victims and non-victims. Results: The study included 302 residents. It found that 49% of general surgery residents in Colombia suffered from workplace bullying and 14.9% experienced sexual harassment. The main forms of sexual harassment were gender harassment (47%) and unwanted sexual attention (47%). Women reported significantly higher rates of being sexually harassed. Surgeons were the main perpetrators of sexual harassment. Conclusions: Workplace bullying and sexual harassment are frequent events in general surgery residency in Colombia. These findings suggest the need for interventions to improve the educational culture of surgical departments and decrease the prevalence of these behaviors.
MeSH term(s)	Sexual Harassment ; Colombia
Language	Spanish
Publishing date	2023-06-30
Publishing country	Colombia
Document type	English Abstract ; Journal Article
ZDB-ID	2059952-3
ISSN	2590-7379 ; 2590-7379
ISSN (online)	2590-7379
ISSN	2590-7379
DOI	10.7705/biomedica.6915
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Article ; Online: Transgastric laparoscopic polypectomy in giant gastric polyps not susceptible of endoscopic management: novel surgical technique and case series.

Cabrera, Felipe / Bernal, Felipe / Villarreal, Ricardo / Pulido, Jean / Pedraza, Mauricio / Sánchez, Sebastian / Padilla-Pinzon, Laura T / Pineda, María A

Cirugia y cirujanos

2023 Volume 91, Issue 2, Page(s) 218–224

Abstract: Background: The identification of gastric polyps incidentally in endoscopies of the upper digestive tract has increased its incidence, varying between 0.5% and 23%. 10% of these polyps have symptoms, 40% are hyperplastic. We allow ourselves to propose a ...

Title translation	Polipectomía transgástrica laparoscópica en pólipos gástricos gigantes no susceptibles de manejo endoscópico: nueva técnica quirúrgica y serie de casos.
Abstract	Background: The identification of gastric polyps incidentally in endoscopies of the upper digestive tract has increased its incidence, varying between 0.5% and 23%. 10% of these polyps have symptoms, 40% are hyperplastic. We allow ourselves to propose a laparoscopic technique for the management of giant hyperplastic polyps associated with a pyloric syndrome, not susceptible to endoscopic resection. Method: A series of patients approached by laparoscopic transgastric polypectomy due to the giant gastric polyps associated with pyloric syndrome, in Bogotá, Colombia, from January 2015 to December 2018. Results: Seven patients, 85% female, with an average age of 51 years, who were admitted for pyloric syndrome and were taken to laparoscopic management, with an average surgical time of 42 min, intraoperative bleeding 7-8 cc, tolerance to the oral route 24 hours, no conversion, without mortality. Conclusions: Transgastric polypectomy for the management of benign giant gastric polyps that cannot be resected endoscopically turns out to be a feasible method, with a low rate of complications and without mortality.
MeSH term(s)	Humans ; Female ; Middle Aged ; Male ; Laparoscopy ; Polyps/surgery ; Polyps/complications ; Stomach Neoplasms/surgery ; Adenomatous Polyps/surgery
Language	English
Publishing date	2023-04-24
Publishing country	Mexico
Document type	Journal Article
ZDB-ID	730699-4
ISSN	2444-054X ; 0009-7411
ISSN (online)	2444-054X
ISSN	0009-7411
DOI	10.24875/CIRU.21000689
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