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Nicolás Fernando Quezada Sanhueza

Adjunct Researcher

Pontificia Universidad Catolica de Chile

Santiago, Chile

Specialist in General and Digestive Surgery. Upper GI surgery. Bariatric Surgery. Hernia surgery. Robotic Surgery

Medical Doctor, PONTIFICIA UNIVERSIDAD CATOLICA DE CHILE. Chile, 2008
General Surgery, PONTIFICIA UNIVERSIDAD CATOLICA DE CHILE. Chile, 2011
Digestive Surgery, PONTIFICIA UNIVERSIDAD CATOLICA DE CHILE. Chile, 2013

Profesor Asistente Part Time

PONTIFICIA UNIVERSIDAD CATOLICA DE CHILE

Facultad de Ciencias Médicas

Santiago, Chile

2017 - At present

Surgery resident Full Time

PONTIFICIA UNIVERSIDAD CATOLICA DE CHILE

Santiago, Chile

2008 - 2010
Digestive Surgery Resident Full Time

PONTIFICIA UNIVERSIDAD CATOLICA DE CHILE

Santiago, Chile

2011 - 2013
Specialist in Digestive Surgery Full Time

RED SALUD UC

Santiago, Chile

2013 - At present

Jefe del programa de sub especialidad en Cirugía Digestiva de la Pontificia Universidad Católica de Chile (desde 2023 a actualidad).


Robotic transversus abdominis release using HUGO RAS system: our initial experience Quezada, Nicolas; Irarrazaval, Maria Jesus; Chen, David C.; Grimoldi, Milenko; Pimentel, Fernando; Crovari, Fernando Article ISI SURGICAL ENDOSCOPY AND OTHER INTERVENTIONAL TECHNIQUES (2024)
Bariatric Surgery Before and After the SARS-CoV-2 Pandemic: a Comparative Study of Cases Before the Onset of the Pandemic in a High-Volume Academic Center Leon, Paula; Gabrielli, Mauricio; Quezada, Nicolas; Crovari, Fernando; Munoz, Rodrigo Article ISI OBESITY SURGERY (2023)
Esï¿½fago de Barrett: Actualizaciï¿½n en el diagnï¿½stico y tratamiento Alberto Espino; Josï¿½ Ignacio Vargas; Gonzalo Latorre; Hugo Richter; Nicolï¿½s Quezada; Javiera Torres; Adolfo Parra-Blanco Article ISI SCIELO REVISTA MEDICA DE CHILE (2023)
Five-Year Experience Training Surgeons with a Laparoscopic Simulation Training Program for Bariatric Surgery: a Quasi-experimental Design Duran Espinoza, Valentina; Belmar Riveros, Francisca; Jarry Trujillo, Cristian; Gaete Danobeitia, Maria Ines; Montero Jaras, Isabella; Miguieles Schilling, Mariana; Valencia Coronel, Brandon; Escalona, Gabriel; Achurra Tirado, Pablo; Quezada, Nicolas; et al. Article ISI OBESITY SURGERY (2023)
Enhanced-view totally extraperitoneal (eTEP) approach for the treatment of abdominal wall hernias: mid-term results Quezada, Nicolas; Grimoldi, Milenko; Besser, Nicolas; Jacubovsky, Ioram; Achurra, Pablo; Crovari, Fernando Article ISI SURGICAL ENDOSCOPY AND OTHER INTERVENTIONAL TECHNIQUES (2022)
Higher hepatic advanced glycation end products and liver damage markers are associated with nonalcoholic steatohepatitis Tapia, Gladys; Quezada, Nicolas; Torres, Javiera; Pettinelli, Paulina Article ISI NUTRITION RESEARCH (2022)
Midterm Results of the Open and Minimally Invasive Transversus Abdominis Release Technique for the Treatment of Abdominal Wall Hernias in an Academic Center Quezada, Nicolas; Grimoldi, Milenko; Jacubovsky, Ioram; Besser, Nicolas; Riveros, Sergio; Achurra, Pablo; Crovari, Fernando Article SCOPUS Journal of Abdominal Wall Surgery (2022)
Exercise Training to Decrease Ectopic Intermuscular Adipose Tissue in Individuals With Chronic Diseases: A Systematic Review and Meta-Analysis Tunon-Suarez, Mauro; Godoy-Ordenes, Rodrigo; Quezada, Nicolas Article ISI PHYSICAL THERAPY (2021)
Insulin resistance and liver histopathology in metabolically unhealthy subjects do not correlate with the hepatic abundance of NLRP3 inflammasome nor circulating IL-1β levels Quezada, Nicolas; Valencia, Ilse; Torres, Javiera; Maturana, Gregorio; Cerda, Jaime; Arab, Juan Pablo; Jose Fuentes, Juan; Pinto, Claudio; Turiel, Dannae; Cortes, Victor Article ISI BMJ OPEN DIABETES RESEARCH & CARE (2021)
Safety of Bariatric Surgery During the Opening Phase After the First Wave of the COVID-19 Pandemic: Experience at an Academic Center Crovari, Fernando; Inzunza, Martin; Irarrazaval, Maria J.; Romero, Cecilia; Achurra, Pablo; Quezada, Nicolas; Gabrielli, Mauricio; Munoz, Rodrigo Article ISI OBESITY SURGERY (2021)
Small bowel obstruction following laparoscopic Roux-en-Y gastric bypass: is it always necessary to operate? A 5-year, high volume center experience Gabrielli, Mauricio; Jarry, Cristian; Hurtado, Sebastian; Achurra, Pablo; Munoz, Rodrigo; Quezada, Nicolas; Crovari, Fernando Article ISI LANGENBECKS ARCHIVES OF SURGERY (2021)
Bariatric Surgery in Cirrhotic Patients: a Matched Case-Control Study Quezada, Nicolas; Maturana, Gregorio; Irarrazaval, Maria Jesus; Munoz, Rodrigo; Morales, Sebastian; Achurra, Pablo; Azocar, Cristobal; Crovari, Fernando Article ISI OBESITY SURGERY (2020)
Relative lipid oxidation associates directly with mitochondrial fusion phenotype and mitochondria-sarcoplasmic reticulum interactions in human skeletal muscle Quezada, Nicolas Article ISI AMERICAN JOURNAL OF PHYSIOLOGY-ENDOCRINOLOGY AND METABOLISM (2020)
Telemedicine for postoperative follow-up, virtual surgical clinics during COVID-19 pandemic Irarrazaval, Maria J.; Quezada, Nicolas; Branes, Alejandro; Soto, Pedro; Urrejola, Gonzalo; Crovari, Fernando Article ISI SURGICAL ENDOSCOPY AND OTHER INTERVENTIONAL TECHNIQUES (2020)
Simultaneous TAPP inguinal repair and laparoscopic cholecystectomy=> results of a case series. Quezada, N; Maturana, G; Pimentel, E; Crovari, F; Muñoz, R; Jarufe, N; Pimentel, F Article Hernia => the journal of hernias and abdominal wall surgery (2019)
Dexmedetomidine metabolic clearance is not affected by fat mass in obese patients Rolle, A; Anderson, BJ; Quezada, N; Solari, S; Allende, F; Contreras, V; Oliveros, AM; Ibacache M Article ISI SCOPUS BRITISH JOURNAL OF ANAESTHESIA (2018)
Safety and efficacy of the endoscopic duodenal-jejunal bypass liner prototype in severe or morbidly obese subjects implanted for up to 3 years Article ISI SURGICAL ENDOSCOPY AND OTHER INTERVENTIONAL TECHNIQUES (2018)
Distinct patterns in the gut microbiota after surgical or medical therapy in obese patients. Medina, Daniel A; Pedreros, Juan P; Turiel, Dannae; Quezada, Nicolas; Pimentel, Fernando; Escalona, Alex; Garrido, Daniel Article PeerJ (2017)
Effect of cholecystectomy on hepatic fat accumulation and insulin resistance in non-obese Hispanic patients=> a pilot study. Cortés, Víctor; Quezada, Nicolás; Uribe, Sergio; Arrese, Marco; Nervi, Flavio Article Lipids in health and disease (2017)
Safety and efficacy of the endoscopic duodenal-jejunal bypass liner prototype in severe or morbidly obese subjects implanted for up to 3 years. Quezada, Nicolás; Muñoz, Rodrigo; Morelli, Carla; Turiel, Dannae; Hernández, Julián; Pimentel, Fernando; Escalona, Alex Article Surgical endoscopy (2017)
Laparoscopic sleeve gastrectomy conversion to Roux-en-Y gastric bypass: experience in 50 patients after 1 to 3 years of follow-up Article ISI SCOPUS SURGERY FOR OBESITY AND RELATED DISEASES (2016)
Primary leiomyosarcoma of the greater omentum: a case report Article ISI SCOPUS INTERNATIONAL JOURNAL OF SURGERY CASE REPORTS (2016)
Bariatric surgery in 1119 patients with preoperative body mass index < 35 (kg/m(2)): results at 1 year Maiz C.; Alvarado J.; Quezada, N; Salinas, J; Funke, R.; Boza, C Article ISI SCOPUS Surgery for Obesity and Related Diseases (2015)
Effect of Early Use of Covered Self-Expandable Endoscopic Stent on the Treatment of Postoperative Stapler Line Leaks Quezada, N; Maiz C.; Daroch, D.; Funke, R.; Sharp A.; Boza, C; Pimentel, F Article ISI SCOPUS Obesity Surgery (2015)
Emergency right hepatectomy after laparoscopic tru-cut liver biopsy Quezada, N; León F.; Martinez, J.; Jarufe, N Article SCOPUS INTERNATIONAL JOURNAL OF SURGERY CASE REPORTS (2015)
High Frequency of Internal Hernias After Roux-en-Y Gastric Bypass Quezada, N; León F.; Jones, A; Varas, J.; Funke, R.; Crovari, F; Raddatz, A; Perez G.; Escalona A.; Boza, C Article ISI SCOPUS Obesity Surgery (2015)
Laparoscopic Hand-Sewn Revisional Gastrojejunal Plication for Weight Loss Failure After Roux-en-Y Gastric Bypass León F.; Maiz C.; Daroch, D.; Quezada, N; Gabrielli, M; Muñoz, C.; Boza, C Article ISI SCOPUS Obesity Surgery (2015)
Laparoscopic versus open approach in the management of appendicitis complicated exclusively with peritonitis: A single center experience Quezada, F.; Quezada, N; Mejia, R; Branes, A; Padilla, O; Jarufe, N; Pimentel, F Article ISI SCOPUS INTERNATIONAL JOURNAL OF SURGERY (2015)
Complete pathological response to Imatinib mesylate in an extraintestinal gastrointestinal stromal tumor Quezada, N; Acevedo, F; Marambio A.; León F.; Galindo, H; Roa, J.C; Jarufe, N Article SCOPUS International Journal of Surgery Case Reports (2014)
Development of Micronutrients Deficits in Patients Submitted to Laparoscopic Roux-Y-Gastric Bypass vs Laparoscopic Sleeve Gastrectomy 12 to 24 Months Post Surgery Quezada, N; Salinas, J; Arbulo D.; Salgado, B; Perez G.; Escalona A.; Pimentel, F; Ibanez, L Article OBESITY SURGERY (2009)
Histological findings of the removed stomach after laparoscopic sleeve gastrectomy (LSG) Salinas, J; Boza, C; Quezada, N; Ibanez, L Article OBESITY SURGERY (2008)
Isolated manifestation of necrotizing vasculitis of the bladder. A case report Becker, A; Astroza, G; Quezada, N; Riano, C; Urrutia, J.; Guzman, S Article ISI SCOPUS Der Urologe (2008)
Hypertension and the cardiometabolic syndrome in Chile: A review of concepts and consequences for the developing world Margozzini P.; Ferreccio C.; Quezada, N; Garrido, M.; Rigotti, A.; Valdes G. Article Therapeutic advances in cardiovascular disease (2007)
EFECTO DE SIMVASTATINA, CIPROFIBRATO Y ROSIGLITAZONA EN EL MANEJO DE LA DISLIPIDEMIA CAUSADA POR LA ADMINISTRACION DE RITONAVIR EN EL RATON Florenzano, Alejandra; Perez, Enrique; Quezada, Nicolas; Rebolledo, Rolando; Klaassen, Julieta; Perez, Carlos; Rigotti, Attilio Article REVISTA CHILENA DE CARDIOLOGIA (2005)
Nuevos receptores nucleares heterodiméricos: reguladores metabólicos con impacto en fisiopatología y su proyección terapéutica en dislipidemias y diabetes mellitus Cortes, Victor; Quezada, Nicolas; Rigotti, Attilio; Maiz, Alberto Article REVISTA MEDICA DE CHILE (2005)
High frequency of open mesenteric gaps after Roux–y gastric bypass Quezada, Nicolás; León, Felipe; Jones, Alex; Varas, Julián; Funke, Ricardo; Crovari, Fernando; Raddatz, Alejandro; Pérez, Gustavo; Escalona, Alex; Boza, Camilo. Article OBESITY SURGERY
Rol de la tomografía computada de abdomen y pelvis con contraste intravenoso en las decisiones clínicas de pacientes con obstrucción de intestino delgado por bridas Nicolás Quezada-Sanhueza1 Felipe León-Ferrufino1 Jean Bächler-González1 Carlos Riquelme-Pizarro2 Fernando Crovari-Eulufi1 Nicolás Jarufe-Cassis Article CIRUGIA Y CIRUJANOS
Tratamiento Laparoscópico de la Obstrucción Intestinal por Bridas Quezada, Nicolás; León, Felipe; de la Llera, Juan; Passalaqua, Isabella; Jones, Alex; Funke, Ricardo; Corvari, Fernando; Martínez, Jorge; Boza, Camilo; Jarufe, Nicolás Article REVISTA CHILENA DE CIRUGIA


Accuracy of Intravenous Contrast-Enhanced Computed Tomography Scan for the Diagnosis of Internal Hernia after Gastric Bypass Quezada, N; Jones, A; Marino, C; Hernández J.; Kuroiwa, A; Escalona A.; Perez G.; Crovari, F; Funke, R.; Pimentel, F; et al. Abstract ISI OBESITY SURGERY (2012)
Bariatric surgery for patients with a body mass index (BMI) below or equal than 35 kg/m(2) Boza, C; Salinas, J; Perez G.; Escalona A.; Torrealba J.; Quezada, N; Linn K.; Sepulveda, J.; Ibanez, L Abstract OBESITY SURGERY (2008)
Effect of sleeve gastrectomy on type 2 diabetes evolution in eleven obese patients Boza, C; Quezada, N; Torrealba, JI; Salinas, J; Arbulo D.; Escalona A.; Perez G.; Pimentel, F; Ibanez, L Abstract OBESITY SURGERY (2008)
Laparoscopic Sleeve Gastrectomy: Review of 308 cases in a Universitary center Boza, C; Quezada, N; Torrealba, JI; Salinas, J; Arbulo D.; Perez G.; Escalona A.; Pimentel, F; Lbanez, L Abstract OBESITY SURGERY (2008)
Short term resolution of insulin resistance after laparoscopic sleeve gastrectomy Fernandez, JI; Boza, C; Quezada, N; Escalona A.; Pimentel, F; Ibanez, L; Perez G. Abstract OBESITY SURGERY (2008)


Angioma de células litorales del bazo. Un diagnóstico de lesión focal esplénica. Caso clínico Sergio A. Riveros CaseReport ISI SCIELO REVISTA MEDICA DE CHILE (2021)


Laparoscopic Revisional Conversion of Sleeve Gastrectomy to Gastric Bypass After Liver Transplantation Riveros, Sergio; Inzunza, Martin; Crovari, Fernando; Briceno, Eduardo; Achurra, Pablo; Quezada, Nicolas Letter ISI OBESITY SURGERY (2021)


ALDOSTERONE DYSREGULATION IN METABOLIC SYNDROME, OBESITY AND INFLAMMATION=> CLINICAL AND IN VITRO STUDIES. FONDECYT (1160695) Proyecto 2016-2020 Coinvestigador(a)
ROLE OF CHRONIC LOW-GRADE INFLAMMATION AND IMPAIRED DIFFERENTIATION OF THE ADIPOSE TISSUE ON INSULIN RESISTANCE IN HUMANS FONDECYT (11150329) Proyecto 2015-2018 Inv. Responsable
THE EFFECT OF OBESITY IN DEXMEDETOMIDINE METABOLIC CLEARANCE FONDECYT (1150197) Proyecto 2015-2018 Coinvestigador(a)
Chronic low-grade inflammation in the pathophysiology of insulin resistance in non-obese people=> is there a role for metabolic surgery? Pontificia Universidad Catolica de Chile (Inicio VRI 34/2014) Proyecto 2014-2016 Inv. Principal
EFECTOS DE LA OBESIDAD Y LA CIRUGÍA BARIÁTRICA SOBRE LOS NIVELES DE ACTIVACIÓN DEL SISTEMA INFLAMASOMA, RESISTENCIA INSULÍNICA E INFLAMACIÓN SISTÉMICA Pontificia universidad catolica de chile, Escuela de Medicina (06/2013) Proyecto 2013-2014 Inv. Principal
EFFECT OF GASTRIC BYPASS, SLEEVE GASTRECTOMY AND DUODENAL-JEJUNAL BYPASS ON BILE ACID HOMEOSTASIS. FONDECYT (1121000) Proyecto 2012-2015 Tesista
IMPORTANCIA DE MOLECULAS INVOLUCRADAS EN EL METABOLISMO LIPOPROTEICO HEPATICO COMO DETERMINANTES DE LA SECRECION BILIAR DE COLESTEROL Y DEL DESARROLLO DE LITIASIS BILIAR FONDECYT (1030416) Proyecto 2003-2007 Personal técnico y/o de apoyo


NEW HETERODIMERIC NUCLEAR RECEPTORS: KEY METABOLIC REGULATORS WITH RELEVANCE IN THE PATHOPHYSIOLOGY AND THERAPY OF DYSLIPIDEMIAS AND DIABETES MELLITUS Cortes, Victor; Quezada, Nicolas; Rigotti, Attilio; Maiz, Alberto Review REVISTA MEDICA DE CHILE (2005)
New heterodimeric nuclear receptors: Key metabolic regulators with relevance in the pathophysiology and therapy of dyslipidemias and diabetes mellitus Nuevos receptores nucleares heterodiméricos reguladores metabólicos con impacto en fisiopatología y su proyección terapéutica en dislipidemias y diabetes mellitus Cortés V.; Rigotti, A.; Maiz A.; Quezada, N Review REVISTA MEDICA DE CHILE (2005)

Gladys Tapia

Academica

Farmacología Molecular y Clínica

FACULTAD DE MEDICINA UNIVERSIDAD DE CHILE

Santiago, Chile

jose valbuena

Associate Professor

Anatomic Pathology

PONTIFICIA UNIVERSIDAD CATOLICA. FACULTAD DE MEDICINA/ESCUELA DE MEDICINA/ DEPARTAMENTO DE ANATOMÍA PATOLÓGICA

santiago, Chile

Oslando Padilla

Estadístico

Salud Pública

PONTIFICIA UNIVERSIDAD CATÓLICA DE CHILE

Santiago, Chile

Attilio Rigotti

Full Professor

Nutrition, Diabetes and Metabolism

PONTIFICIA UNIVERSIDAD CATÓLICA DE CHILE - ESCUELA DE MEDICINA - DEPTO DE GASTROENTEROLOGÍA

Santiago, Chile

Luis Cortínez

Profesor Titular

DIVISIÓN DE ANESTESIOLOGÍA

Pontificia Universidad Católica de Chile

Santiago, Chile

Sandra Solari

Profesor Clinico Asociado

Laboratorios Clinicos

Facultad de Medicina - PONTIFICIA UNIVERSIDAD CATÓLICA DE CHILE

Santiago, Chile

Nicolas Jarufe

Chief Digestive Surgery

PONTIFICIA UNIVERSIDAD CATÓLICA DE CHILE

Santiago, Chile

Juan Roa

Chair

Pathology

Pontificia Universidad Catolica de Chile

santiago, Chile

Daniel Cabrera

Investigador Adjunto

Gastroenterología

Pontificia Universidad Catolica de Chile

santiago, Chile

Attilio Rigotti

Full Professor

Nutrition, Diabetes and Metabolism

Pontificia Universidad Católica de Chile

Santiago, Chile

Alex Escalona

Assistant Professor

Cirugía Digestiva

Pontificia Universidad Catolica de Chile

Santiago, Chile

Nicolás Quezada

Adjunct Researcher

Digestive Surgery

Pontificia Universidad Catolica de Chile

Santiago, Chile

Julián Varas

Director Alterno Centro de Simulación, miembro directorio Simulación UC

Departamento de Cirugía Digestiva

PONTIFICIA UNIVERSIDAD CATOLICA DE CHILE

Santiago, Chile

Gaston Astroza

profesor asistente

urologia

pontificia universidad catolica de chile

santiago, Chile

Juan Guerra

Jefe Unidad de Trasplante

Cirugia

Pontificia Universidad Católica de Chile

Santiago, Chile

Victor Contreras

Director y Gestor de Proyectos

Anestesiologia

Pontificia Universidad Catolica de Chile

Santiago, Chile

Fidel Allende

Quimico

Laboratorios Clinicos

Pontificia Universidad Católica de Chile

Santiago, Chile

Mauricio Ibacache

Profesor Asociado

Pontificia Universidad Católica de Chile

santiago centro, Chile

MARCELO FLORES

Profesor Asistente

Facultad de Ciencias de la Rehabilitación

Universidad Andrés Bello

Santiago, Chile

Ricardo Mejia

Médico Staff

Cirugía Digestiva

Pontificia Universidad Católica de Chile

Santiago, Chile

Sebastián Jannas

Profesor Asistente

Instituto Ciencias de la Salud

Universidad de O'Higgins

Rancagua, Chile

Pedro Soto

Cirujano Digestivo

Cirugía

Hospital La Florida

Santiago, Chile

FERNANDO CROVARI

Jefe Departamento

Cirugía Digestiva

Pontificia Universidad Católica de Chile

Santiago, Chile

Amanda D'Espessailles

Investigadora Postdoctoral

Instituto de Ciencias de a Salud

Universidad de O'Higgins

Rancagua, Chile

Nicolás Fernando Quezada Sanhueza

Líneas de Investigación

Educación

Medical Doctor, PONTIFICIA UNIVERSIDAD CATOLICA DE CHILE. Chile, 2008

General Surgery, PONTIFICIA UNIVERSIDAD CATOLICA DE CHILE. Chile, 2011

Digestive Surgery, PONTIFICIA UNIVERSIDAD CATOLICA DE CHILE. Chile, 2013

Experiencia Académica

Profesor Asistente Part Time

Experiencia Profesional

Surgery resident Full Time

Digestive Surgery Resident Full Time

Specialist in Digestive Surgery Full Time

Formación de Capital Humano

Article (38)

Abstract (5)

CaseReport (1)

Letter (1)

Proyecto (7)

ALDOSTERONE DYSREGULATION IN METABOLIC SYNDROME, OBESITY AND INFLAMMATION=> CLINICAL AND IN VITRO STUDIES.

ROLE OF CHRONIC LOW-GRADE INFLAMMATION AND IMPAIRED DIFFERENTIATION OF THE ADIPOSE TISSUE ON INSULIN RESISTANCE IN HUMANS

THE EFFECT OF OBESITY IN DEXMEDETOMIDINE METABOLIC CLEARANCE

Chronic low-grade inflammation in the pathophysiology of insulin resistance in non-obese people=> is there a role for metabolic surgery?

EFECTOS DE LA OBESIDAD Y LA CIRUGÍA BARIÁTRICA SOBRE LOS NIVELES DE ACTIVACIÓN DEL SISTEMA INFLAMASOMA, RESISTENCIA INSULÍNICA E INFLAMACIÓN SISTÉMICA

EFFECT OF GASTRIC BYPASS, SLEEVE GASTRECTOMY AND DUODENAL-JEJUNAL BYPASS ON BILE ACID HOMEOSTASIS.

IMPORTANCIA DE MOLECULAS INVOLUCRADAS EN EL METABOLISMO LIPOPROTEICO HEPATICO COMO DETERMINANTES DE LA SECRECION BILIAR DE COLESTEROL Y DEL DESARROLLO DE LITIASIS BILIAR

Review (2)