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  1. Article: Mucinous appendix intussusception: Case report.

    Núñez-Rocha, Ricardo E / Gómez-Carrillo, Daniel / Carvajal, Mario Enrique Mahecha / Cueto, Carlos Ariza / Giraldo, Ana / Herrera Almario, Gabriel E

    International journal of surgery case reports

    2023  Volume 106, Page(s) 108250

    Abstract: Introduction and importance: Intussusception is an intestinal invagination of one bowel segment into another. It occurs mostly in children, but it can show in adults due to different etiologies. Appendiceal neoplasms are rare and can mimic an acute ... ...

    Abstract Introduction and importance: Intussusception is an intestinal invagination of one bowel segment into another. It occurs mostly in children, but it can show in adults due to different etiologies. Appendiceal neoplasms are rare and can mimic an acute onset of appendicitis. Appendiceal mucinous neoplasm is one of the subtypes of appendiceal malignancies found in less than 1 % of appendectomies samples.
    Case presentation: We present the case of a 32-year-old woman with abdominal pain in the right upper quadrant, whose computed tomography revealed an ileocolic intussusception and a low-density tubular image in the distal loop. She underwent diagnostic laparoscopy and laparoscopic right colectomy. Biopsy results confirmed a LAMN with acute appendicitis and intussusception.
    Clinical discussion: Appendiceal intussusception (AI) is associated with the alteration of peristalsis, in addition to multiple inflammatory conditions and diseases such as parasites, foreign bodies, Crohn's disease, and lymphoid hyperplasia. The pathophysiology of AI is not fully established, but the main appendicular alteration that has been associated with it is the presence of a tumor. AI lead points are typically pathological in 90 % of cases, 65 % of which are neoplastic in nature. Right hemicolectomy should be performed for tumors involving the periappendicular area or in those larger than 2 cm in size. Follow-up and surveillance colonoscopy is suggested.
    Conclusion: Intussusception is a rare diagnosis in adults. However, malignancy should be suspected if identified.
    Language English
    Publishing date 2023-05-04
    Publishing country Netherlands
    Document type Case Reports
    ISSN 2210-2612
    ISSN 2210-2612
    DOI 10.1016/j.ijscr.2023.108250
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: Incidence of appendiceal neoplasms in appendectomy patients.

    Núñez-Rocha, Ricardo E / Girón, Felipe / Rodríguez, Lina / Camargo-Gómez, Daniela / Restrepo-Bonilla, Carolina / Panqueva, Rocío Del Pilar López / Cadena, Manuel / Nassar, Ricardo / Herrera-Almario, Gabriel E / Hernández-Restrepo, Juan David

    BMC surgery

    2023  Volume 23, Issue 1, Page(s) 287

    Abstract: Background: Non-operative management has been suggested as a therapy for uncomplicated appendicitis. Notwithstanding, the risk of missing an appendiceal tumor must be considered, being the surgical piece crucial to rule out neoplasms. Therefore, we aim ... ...

    Abstract Background: Non-operative management has been suggested as a therapy for uncomplicated appendicitis. Notwithstanding, the risk of missing an appendiceal tumor must be considered, being the surgical piece crucial to rule out neoplasms. Therefore, we aim to determine the incidence of appendiceal neoplasms in patients with acute appendicitis, tumor types and the importance of the anatomopathological study of the surgical piece.
    Study design: Retrospective study in which we described patients who underwent emergent appendectomy with histopathological findings of appendiceal neoplasms from January 2012 to September 2018. Descriptive analysis included demographic variables, diagnostic methods, and surgical techniques.
    Results: 2993 patients diagnosed with acute appendicitis who underwent an emergency appendectomy. 64 neoplasms of the appendix were found with an incidence of 2,14%. 67.2% were women, the mean age was 46,4 years (± 19.5). The most frequent appendiceal neoplasms were neuroendocrine tumors (42,2%), followed by appendiceal mucinous neoplasms (35,9%), sessile serrated adenomas (18,8%), and adenocarcinomas (3,1%). In 89,1% of the cases, acute appendicitis was determined by imaging, and 14% of cases were suspected intraoperatively. Appendectomy was performed in 78,1% without additional procedures.
    Conclusions: Appendiceal tumors are rare and must be ruled out in patients with suspected acute appendicitis. The incidence of incidental neoplasms is higher in this study than in the previously reported series. This information must be included in decision-making when considering treatment options for acute appendicitis.
    MeSH term(s) Humans ; Female ; Male ; Appendiceal Neoplasms/epidemiology ; Appendiceal Neoplasms/surgery ; Appendectomy ; Incidence ; Appendicitis/epidemiology ; Appendicitis/surgery ; Retrospective Studies ; Adenocarcinoma/epidemiology ; Adenocarcinoma/surgery
    Language English
    Publishing date 2023-09-21
    Publishing country England
    Document type Journal Article
    ZDB-ID 2050442-1
    ISSN 1471-2482 ; 1471-2482
    ISSN (online) 1471-2482
    ISSN 1471-2482
    DOI 10.1186/s12893-023-02183-4
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  3. Article ; Online: A granular analysis of service delivery for surgical system strengthening: Application of the Lancet indicators for policy development in Colombia.

    Samper, Andres Fernando Gomez / Herrera-Almario, Gabriel E / Tulloch, David / Blanco, Daniela / Cardoso, Linda Lucia / Rocha, Ricardo Elias Nunez / Rajan, Roshni / Gracias, Vicente / Hanna, Joseph S

    Lancet regional health. Americas

    2022  Volume 10, Page(s) 100217

    Abstract: Background: The Lancet: Methods: Data from the year 2016 to inform total operative volume (TOV) and 30-day non-risk adjusted peri-operative mortality (POMR) were collected from the Colombian national health information system. TOV and POMR were sub- ... ...

    Abstract Background: The Lancet
    Methods: Data from the year 2016 to inform total operative volume (TOV) and 30-day non-risk adjusted peri-operative mortality (POMR) were collected from the Colombian national health information system. TOV and POMR were sub-characterized by demographics, urgency, service line, disease pathology and facility location.
    Findings: In 2016, aggregate national mortality was 0·87%, while mortality attributable to elective and emergency surgery was 0·73% and 1·30%, respectively. The elderly experienced a 5·6-fold higher mortality, with 4·2% undergoing an operation within 30 days of dying. Individuals undergoing hepatobiliary, thoracic, cardiac, and neurosurgical operations experienced the highest mortality rates while obstetrics, general surgery, orthopaedics, and urology performed the largest procedure volume. Finally, analysis of operation and service line specific POMR reveals opportunities for improvement.
    Interpretation: This granular second-stage analysis provides actionable data which is fundamental to the development of resource and context-sensitive interventions to address gaps and inequities in surgical system service delivery. Furthermore, this analysis validates the modeling underlying development of the LCoGS indicators. These data will inform the assessment of implementation priorities and revision of the Colombian Decennial Public Health Plan.
    Funding: None.
    Language English
    Publishing date 2022-04-01
    Publishing country England
    Document type Journal Article
    ISSN 2667-193X
    ISSN (online) 2667-193X
    DOI 10.1016/j.lana.2022.100217
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  4. Article ; Online: The use of retroperitoneoscopy in the biopsy of retroperitoneal lesions: How I do it.

    Herrera-Almario, Gabriel E / Núñez-Rocha, Ricardo E / Gómez-Samper, Andrés F / Guerrero, Álvaro F / Cabrera-Vargas, Luis F / Sanabria-Serrano, Daniel / Londoño-Schimmer, Eduardo E

    American journal of surgery

    2022  Volume 224, Issue 1 Pt B, Page(s) 443–444

    MeSH term(s) Biopsy ; Humans ; Laparoscopy ; Retroperitoneal Space
    Language English
    Publishing date 2022-01-26
    Publishing country United States
    Document type Journal Article
    ZDB-ID 2953-1
    ISSN 1879-1883 ; 0002-9610
    ISSN (online) 1879-1883
    ISSN 0002-9610
    DOI 10.1016/j.amjsurg.2022.01.003
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  5. Article ; Online: Access to paediatric cardiac surgery in Colombia: a population-based study.

    Sabatino, Marlena E / Dennis, Rodolfo J / Sandoval-Trujillo, Pablo / Valencia, Sergio / Moreno-Medina, Karen / Londoño, Darío / Garcia-Torres, Alberto E / Tulloch, David / Herrera-Almario, Gabriel E / Peck, Gregory L / Sandoval, Néstor

    European journal of cardio-thoracic surgery : official journal of the European Association for Cardio-thoracic Surgery

    2021  Volume 61, Issue 2, Page(s) 320–327

    Abstract: Objectives: Globally congenital heart disease mortality is declining, yet the proportion of infant deaths attributable to heart disease rises in Colombia and other middle-sociodemographic countries. We aimed to assess the accessibility of paediatric ... ...

    Abstract Objectives: Globally congenital heart disease mortality is declining, yet the proportion of infant deaths attributable to heart disease rises in Colombia and other middle-sociodemographic countries. We aimed to assess the accessibility of paediatric cardiac surgery (PCS) to children <18 years of age in 2016 in the South American country of Colombia.
    Methods: In Bogotá, Colombia, a multi-national team used cross-sectional and retrospective cohort study designs to adapt and evaluate 4 health system indicators at the national level: first, the population with timely geographic access to an institution providing PCS; second, the number of paediatric cardiac surgeons; third, this specialized procedure volume and its national distribution; and fourth, the 30-day perioperative mortality rate after PCS in Colombia.
    Results: Geospatial mapping approximates 64% (n = 9 894 356) of the under-18 Colombian population lives within 2-h drivetime of an institution providing PCS. Twenty-eight cardiovascular surgeons report performing PCS, 82% (n = 23) with formal training. In 2016, 1281 PCS procedures were registered, 90% of whom were performed in 6 of the country's 32 departments. National non-risk-adjusted all-cause 30-day perioperative mortality rate after PCS was 2.73% (n = 35).
    Conclusions: Colombia's paediatric population had variable access to cardiac surgery in 2016, largely dependent upon geography. While the country may have the capacity to provide timely, high-quality care to those who need it, our study enables future comparative analyses to measure the impact of health system interventions facilitating healthcare equity for the underserved populations across Colombia and the Latin American region.
    MeSH term(s) Cardiac Surgical Procedures ; Child ; Colombia/epidemiology ; Cross-Sectional Studies ; Humans ; Retrospective Studies ; South America
    Language English
    Publishing date 2021-10-11
    Publishing country Germany
    Document type Journal Article
    ZDB-ID 639293-3
    ISSN 1873-734X ; 1010-7940 ; 1567-4258
    ISSN (online) 1873-734X
    ISSN 1010-7940 ; 1567-4258
    DOI 10.1093/ejcts/ezab404
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  6. Article ; Online: The effect of video review of resident laparoscopic surgical skills measured by self- and external assessment.

    Herrera-Almario, Gabriel E / Kirk, Katherine / Guerrero, Veronica T / Jeong, Kwonho / Kim, Sara / Hamad, Giselle G

    American journal of surgery

    2016  Volume 211, Issue 2, Page(s) 315–320

    Abstract: Background: Video review of surgical skills is an educational modality that allows trainees to reflect on self-performance. The purpose of this study was to determine whether resident and attending assessments of a resident's laparoscopic performance ... ...

    Abstract Background: Video review of surgical skills is an educational modality that allows trainees to reflect on self-performance. The purpose of this study was to determine whether resident and attending assessments of a resident's laparoscopic performance differ and whether video review changes assessments.
    Methods: Third-year surgery residents were invited to participate. Elective laparoscopic procedures were video recorded. The Global Operative Assessment of Laparoscopic Skills evaluation was completed immediately after the procedure and again 7 to 10 days later by both resident and attending. Scores were compared using t tests.
    Results: Nine residents participated and 76 video reviews were completed. Residents scored themselves significantly lower than the faculty scores both before and after video review. Resident scores did not change significantly after video review.
    Conclusions: Attending and resident self-assessment of laparoscopic skills differs and subsequent video review does not significantly affect Global Operative Assessment of Laparoscopic Skills scores. Further studies should evaluate the impact of video review combined with verbal feedback on skill acquisition and assessment.
    MeSH term(s) Attitude of Health Personnel ; Clinical Competence ; Humans ; Internship and Residency ; Laparoscopy/education ; Mental Recall ; Self-Assessment ; Video Recording
    Language English
    Publishing date 2016-02
    Publishing country United States
    Document type Journal Article
    ZDB-ID 2953-1
    ISSN 1879-1883 ; 0002-9610
    ISSN (online) 1879-1883
    ISSN 0002-9610
    DOI 10.1016/j.amjsurg.2015.05.039
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    Uk I Zs.42: Show issues Location:
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  7. Article ; Online: Use of the six core surgical indicators from the Lancet Commission on Global Surgery in Colombia: a situational analysis.

    Hanna, Joseph S / Herrera-Almario, Gabriel E / Pinilla-Roncancio, Monica / Tulloch, David / Valencia, Sergio A / Sabatino, Marlena E / Hamilton, Charles / Rehman, Shahyan U / Mendoza, Ardi Knobel / Gómez Bernal, Liliana Carolina / Salas, María Fernanda Moreno / Navarro, María Alejandra Peña / Nemoyer, Rachel / Scott, Michael / Pardo-Bayona, Mariana / Rubiano, Andres M / Ramirez, Mauricio Vasco / Londoño, Darío / Dario-Gonzalez, Ivan /
    Gracias, Vicente / Peck, Gregory L

    The Lancet. Global health

    2020  Volume 8, Issue 5, Page(s) e699–e710

    Abstract: Background: Surgical, anaesthetic, and obstetric (SAO) health-care system strengthening is needed to address the emergency and essential surgical care that approximately 5 billion individuals lack globally. To our knowledge, a complete, non-modelled ... ...

    Abstract Background: Surgical, anaesthetic, and obstetric (SAO) health-care system strengthening is needed to address the emergency and essential surgical care that approximately 5 billion individuals lack globally. To our knowledge, a complete, non-modelled national situational analysis based on the Lancet Commission on Global Surgery surgical indicators has not been done. We aimed to undertake a complete situation analysis of SAO system preparedness, service delivery, and financial risk protection using the core surgical indicators proposed by the Commission in Colombia, an upper-middle-income country.
    Methods: Data to inform the six core surgical system indicators were abstracted from the Colombian national health information system and the most recent national health survey done in 2007. Geographical access to a Bellwether hospital (defined as a hospital capable of providing essential and emergency surgery) within 2 h was assessed by determining 2 h drive time boundaries around Bellwether facilities and the population within and outside these boundaries. Physical 2 h access to a Bellwether was determined by the presence of a motor vehicle suitable for individual transportation. The Department Administrativo Nacional de Estadística population projection for 2016 and 2018 was used to calculate the SAO provider density. Total operative volume was calculated for 2016 and expressed nationally per 100 000 population. The total number of postoperative deaths that occurred within 30 days of a procedure was divided by the total operative volume to calculate the all-cause, non-risk-adjusted postoperative mortality. The proportion of the population subject to impoverishing costs was calculated by subtracting the baseline number of impoverished individuals from those who fell below the poverty line once out-of-pocket payments were accounted for. Individuals who incurred out-of-pocket payments that were more than 10% of their annual household income were considered to have experienced catastrophic expenditure. Using GIS mapping, SAO system preparedness, service delivery, and cost protection were also contextualised by socioeconomic status.
    Findings: In 2016, at least 7·1 million people (15·1% of the population) in Colombia did not have geographical access to SAO services within a 2 h driving distance. SAO provider density falls short of the Commission's minimum target of 20 providers per 100 000 population, at an estimated density of 13·7 essential SAO health-care providers per 100 000 population in 2018. Lower socioeconomic status of a municipality, as indicated by proportion of people enrolled in the subsidised insurance regime, was associated with a smaller proportion of the population in the municipality being within 2 h of a Bellwether facility, and the most socioeconomically disadvantaged municipalities often had no SAO providers. Furthermore, Colombian providers appear to be working at or beyond capacity, doing 2690-3090 procedures per 100 000 population annually, but they have maintained a relatively low median postoperative mortality of 0·74% (IQR 0·48-0·84). Finally, out-of-pocket expenses for indirect health-care costs were a key barrier to accessing surgical care, prompting 3·1 million (6·4% of the population) individuals to become impoverished and 9·5 million (19·4% of the population) individuals to incur catastrophic expenditures in 2007.
    Interpretation: We did a non-modelled, indicator-based situation analysis of the Colombian SAO system, finding that it has not yet met, but is working towards achieving, the targets set by the Lancet Commission on Global Surgery. The observed interdependence of these indicators and correlation with socioeconomic status are consistent with well recognised factors and outcomes of social, health, and health-care inequity. The internal consistency observed in Colombia's situation analysis validates the use of the indicators and has now informed development of an early national SAO plan in Colombia, to set a data-informed stage for implementation and evaluation of timely, safe, and affordable SAO health care, within the National Public Health Decennial Plan, which is due in 2022.
    Funding: Zoll Medical.
    MeSH term(s) Colombia ; Humans ; Quality Indicators, Health Care ; Societies, Medical ; Surgical Procedures, Operative/standards
    Language English
    Publishing date 2020-04-29
    Publishing country England
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 2723488-5
    ISSN 2214-109X ; 2214-109X
    ISSN (online) 2214-109X
    ISSN 2214-109X
    DOI 10.1016/S2214-109X(20)30090-5
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