Grupo Desarrollador Del Consenso De Tromboprofilaxis En Cirugía Ginecológica, Federación Colombiana de Obstetricia Y Ginecología Fecolsog
{"title":"Consensus on thromboprophylaxis in gynecological surgery","authors":"Grupo Desarrollador Del Consenso De Tromboprofilaxis En Cirugía Ginecológica, Federación Colombiana de Obstetricia Y Ginecología Fecolsog","doi":"10.18597/rcog.3666","DOIUrl":"10.18597/rcog.3666","url":null,"abstract":"<p><p>Objective: To draw a synthesis of the available evidence regarding interventions for the prevention of venous thromboembolic events during the perioperative care of women with benign gynecological pathology, with the aim of reducing the associated morbidity and mortality. Materials and methods: The development group included healthcare professionals, decision-makers and one patient representative. All the participants stated their disclosures. Answerable clinical questions were built and outcomes were graded. The search for information was conducted in Medline, Embase, Epistemonikos and LILACS, but it also included grey literature and was updated on September 22, 2020, with no date or language restrictions. The GRADE (Grading of Recommendations Assessment, Development and Evaluation) approach was used to determine the quality of the evidence and the strength of the recommendations. Formal consensus was developed in accordance with the RAND/UCLA methodology. The document was submitted to peer review before publication. Results: The abbreviated version of the “consensus on the prevention of venous thromboembolic events during the perioperative care of women with benign gynecological pathology” is presented together with the supporting evidence and respective recommendations. Conclusions: The key recommendations for implementation include the use of the Caprini scale and of interventions consistent with the individual perioperative risk level.</p>","PeriodicalId":35675,"journal":{"name":"Revista Colombiana de Obstetricia y Ginecologia","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2021-03-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/cc/63/2463-0225-rcog-72-01-3666.PMC8372767.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"38892446","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Libia Amparo Bedoya-Ruiz, Andrés Alonso Agudelo-Suárez, Diego Alveiro Restrepo-Ochoa, Santiago Henao-Villegas
{"title":"Institutional practices in maternal health according to social class. Bogotá, Colombia, 2018.","authors":"Libia Amparo Bedoya-Ruiz, Andrés Alonso Agudelo-Suárez, Diego Alveiro Restrepo-Ochoa, Santiago Henao-Villegas","doi":"10.18597/rcog.3497","DOIUrl":"https://doi.org/10.18597/rcog.3497","url":null,"abstract":"<p><strong>Objective: </strong>To understand institutional practices in healthcare as relates to women during pregnancy, childbirth and the postpartum period according to social class in Bogota.</p><p><strong>Methods: </strong>Qualitative study based on the critical hermeneutics paradigm. Critical ethnographic method with theoretical sampling. The participants included 9 women and 8 health-care professionals from the city of Bogotá, attending public and private healthcare institutions that serve populations under both the subsidized as well as the contributive regimes of the General Social Security System. Overall, 38 in-depth interviews were conducted during a 13 month period, with 62 instances of support to the mothers in terms of prenatal care, vaccination, labor, postpartum visits, follow-up tests, psychoprophylactic course, hospitalization and waiting room. Triangulation analysis on Atlas Ti.</p><p><strong>Results: </strong>Taking into account the discourse of the different players, observations and context, two categories were found to be determining factors of inequities: \"Market-regulated health\" and \"Over- sight and control in health services\".</p><p><strong>Conclusions: </strong>It is advisable in medical practice to build competencies in the population in order to ensure the realization of the rights of women and healthcare personnel. Qualitative research offers the opportunity to promote the transformation of medical rationale affecting women.</p>","PeriodicalId":35675,"journal":{"name":"Revista Colombiana de Obstetricia y Ginecologia","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2020-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"25311279","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Diana Meliza Hidalgo-Zambrano, Daniel Felipe Reyes-Vega, Cano-Arias Luis Guillermo
{"title":"Aggressive angiomyxoma of the vagina: Case report and review of the literature.","authors":"Diana Meliza Hidalgo-Zambrano, Daniel Felipe Reyes-Vega, Cano-Arias Luis Guillermo","doi":"10.18597/rcog.3527","DOIUrl":"https://doi.org/10.18597/rcog.3527","url":null,"abstract":"<p><strong>Objective: </strong>To present the case of a patient diagnosed with aggressive angiomyxoma of the vagina and to conduct a review of the diagnosis, treatment and prognosis of this disease condition.</p><p><strong>Methods: </strong>A 46-year old female patient complaining of dysuria and vaginal mass sensation. Physical exploration and imaging studies revealed a tumor extending into the pelvic cavity. The mass was resected through a vaginal approach and pathology of the surgical specimen showed an aggressive angiomyxoma of the vagina. New retrorectar surgery was performed three months after the initial resection because of recurrence. A search was conducted in the Medline via PubMed, Lilacs, Scielo and Google Scholar databases using the terms \"Angiomyxoma,\" \"Aggressive\" and \"Vagina.\" The search included review articles, case reports and case series published in English and Spanish since 1995. The information extracted included diagnosis, symptoms, signs, immunohistochemistry and imaging studies used, type of treatment surgical or other - and prognosis. Findings are described in narrative form.</p><p><strong>Results: </strong>Overall, 23 titles were identified, of which 14 case reports, 2 clinical case series and 1 review article met the inclusion criteria. Sixty-five per cent of the patients were between 30 and 50 years of age. Diagnosis was made by immunohistochemistry in 8 cases, and diagnostic imaging was used in 12 cases. Computed tomography showed sharper contours of the lesions. Surgical treatment was applied in all reports, supplemented by hormonal therapy in 4 cases. There was follow-up in 14 of the 17 cases reported.</p><p><strong>Conclusions: </strong>Aggressive angiomyxoma of the vagina is rare. Assessment of the role of various immunohistochemical tests is needed in cases identified as aggressive angiomyxoma on histopathology. Evaluation of hormonal treatment as an adjunct to surgery is required. Prognosis is good.</p>","PeriodicalId":35675,"journal":{"name":"Revista Colombiana de Obstetricia y Ginecologia","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2020-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"25311222","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Francisco Javier Villegas-Alzate, José Daniel Villegas-Mesa
{"title":"Pregnancy after transverse plication lipoabdominoplasty, undermining halted at umbilicus, liposuction without restrictions, umbilicoplasty with a skin graft, and low transverse scar localization (TULUA). Literature review and case report.","authors":"Francisco Javier Villegas-Alzate, José Daniel Villegas-Mesa","doi":"10.18597/rcog.3567","DOIUrl":"https://doi.org/10.18597/rcog.3567","url":null,"abstract":"<p><strong>Objective: </strong>To report the case of a pregnant woman with a history of transverse plication abdominoplasty (TULUA) and to conduct a review of the available literature on the impact of this intervention on the course of gestation and vice versa.</p><p><strong>Methods: </strong>Case report of a 23-year-old pregnant woman with a history of TULUA abdominoplasty performed eight months before pregnancy. A literature search was conducted in Medline, Cochrane Library, SciELO, LILACS, BVS and Google Scholar, with no restriction by language or date of publication. Studies of any design were included, including case reports. Book chapters and clinical practice guidelines were excluded.</p><p><strong>Results: </strong>Overall, 1,158 studies were identified, of which 13 case reports or case series met the inclusion and exclusion criteria, for a total of 111 patients. No reports of TULUA before pregnancy were found. Age at the time of delivery ranged between 19 and 37 years and all births were at term, with newborns of adequate birth weight. Eleven studies described the route of delivery, including 7 cases of cesarean section and 4 vaginal deliveries. Two studies described the development of cervical prolapse, one at 15 weeks of gestation and the second at the time of labor. Three patients experienced impaired abdominal wall nerve block during the cesarean section. Regarding cosmetic results after delivery, there is a paucity of data about potential relapse in the form of skin laxity or diastasis. However, satisfactory cosmetic results were reported in two cases.</p><p><strong>Conclusions: </strong>There is a paucity of literature on the topic of pregnancy following abdominoplasty, and it is limited to case reports. The literature suggests that abdominoplasty could increase the frequency of cervical prolapse and cesarean section, although the impact on perinatal outcome is not clear. It appears that abdominal wall repair is maintained. Additional studies focusing on perinatal outcomes in women with abdominoplasty and the impact of gestation on the results of the intervention are required.</p>","PeriodicalId":35675,"journal":{"name":"Revista Colombiana de Obstetricia y Ginecologia","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2020-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"25311221","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Prevalence of high-risk human papilloma virus infection and abnormal cytology of the anal transformation zone in women with cervical dysplasia. Bogotá, Colombia, 2017-2019.","authors":"Cristhiam David Sánchez-Corredor, Mónica Guerrero-Machado, Jorge Andrés Rubio-Romero, Edith Ángel-Müller, Gustavo Rey-Serrano, Luz Amparo Díaz-Cruz","doi":"10.18597/rcog.3558","DOIUrl":"https://doi.org/10.18597/rcog.3558","url":null,"abstract":"<p><strong>Objective: </strong>To determine the prevalence of anal infection caused by high risk human papilloma virus (HR-HPV) and of abnormal anal cytology in women with confirmed cervical dysplasia.</p><p><strong>Methods: </strong>Cross sectional study that included patients between 30 and 65 years of age with a new diagnosis of cervical dysplasia by histopathology attended in two lower genital tract colposcopy and pathology units (one public and one private institution), conducted between December 2017 and April 2019. Women with human immunodeficiency virus (HIV) infection, immune compromise (use of steroids, transplant, chemo therapy), pregnancy or anorectal malformations were excluded. Consecutive sampling. Socio demographic variables, intercourse type, degree of cervical dysplasia, positive results of HR HPV Polymerase Chain Reaction test in anal canal and HR - HPV type indentified (16-18 or others) were evaluated. Descriptive statistics were used.</p><p><strong>Results: </strong>Of 188 candidates, 100 were included in the analysis. A 32 % prevalence of high-risk HPV infection and a 2.8 % prevalence of abnormal cytology in the anal canal (ASCUS) were found. Of the HR-HPV infections in the anal canal, 68.8 % corresponded to HR-HPV genotypes different from 16 or 18.</p><p><strong>Conclusions: </strong>Prevalence of HR HPV infection in women with lower genital tract dysplasia was 32%. It is important to determine the usefulness of screening for anal mucosa compromise by HPV virus associated with a high risk of cancer in women with cervical dysplasia. Studies are needed on the prognosis of anal HR-HPV infection in women with cervical dysplasia.</p>","PeriodicalId":35675,"journal":{"name":"Revista Colombiana de Obstetricia y Ginecologia","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2020-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"25311282","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Karen Giovanna Blas-Benites, Juan Pedro Matzumura-Kasano, Gutiérrez-Crespo Hugo
{"title":"Frequency and causes of suspension of gynecological surgeries and patient satisfaction: Hospital III EsSalud, Lima-Perú.","authors":"Karen Giovanna Blas-Benites, Juan Pedro Matzumura-Kasano, Gutiérrez-Crespo Hugo","doi":"10.18597/rcog.3594","DOIUrl":"https://doi.org/10.18597/rcog.3594","url":null,"abstract":"<p><strong>Objective: </strong>To describe the frequency of gynecological surgery cancellation as well as the factors leading up to cancellation, and to examine how patients perceive this situation.</p><p><strong>Methods: </strong>Case series including patients over 18 years of age scheduled for gynecological surgery due to benign conditions whose surgery was cancelled in a general referral hospital in Lima, Peru, between June 2019 and March 2020. Baseline characteristics of the patients and the reasons for cancellation were assessed, and the Patient Satisfaction Questionnaire Short Form (PSQ-18) tool was administered. Descriptive analysis.</p><p><strong>Results: </strong>The study included 84 patients. During the study period, the frequency of surgery cancellations was 11 %. Medical reasons were the main factor for surgery suspension, at 46.5 %; administrative causes accounted for 36.6 % of the cancellations, due mainly to lack of operation time in 25.4 %. In terms of satisfaction, 21,4 % of the patients were satisfied with the cancellation.</p><p><strong>Conclusions: </strong>Good communication with patients whose surgery needs to be cancelled is essential. Further studies that look into this problem in our region are required.</p>","PeriodicalId":35675,"journal":{"name":"Revista Colombiana de Obstetricia y Ginecologia","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2020-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"25311283","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Juan Felipe Herrera-Quintana, Ana Carolina Rojas-Figueroa, Rafael Leonardo Aragón-Mendoza, Roberto Gallo-Roa, Marcos Fidel Castillo-Zamora
{"title":"Pure red-cell aplasia secondary to pregnancy: Case report and review of the literature.","authors":"Juan Felipe Herrera-Quintana, Ana Carolina Rojas-Figueroa, Rafael Leonardo Aragón-Mendoza, Roberto Gallo-Roa, Marcos Fidel Castillo-Zamora","doi":"10.18597/rcog.3543","DOIUrl":"https://doi.org/10.18597/rcog.3543","url":null,"abstract":"<p><strong>Objective: </strong>To report a case of pure red-cell aplasia secondary to pregnancy and to conduct a review of the literature regarding diagnosis and treatment, as well as maternal and perinatal prognosis.</p><p><strong>Methods: </strong>This is the case of a 24-year-old patient at 34 weeks of gestation, referred to a regional public referral hospital due to anemia. Bone marrow biopsy was performed, leading to the diagnosis of pregnancy-related pure red-cell aplasia. The patient received serial red blood cell transfusions. Delivery by Cesarean section at term resulted in a healthy newborn. Hemoglobin values remained stable during the postoperative period. A literature search was conducted in Medline via PubMed, LILACS, SciELO and ScienceDirect using the terms \"pregnancy\" and \"pure red-cell aplasia\". Case reports, case series and literature reviews in English and Spanish published between January 1999 and January 2020 that report pregnant women with pure red-cell aplasia were included. Information on diagnosis, treatment and maternal and perinatal prognosis was collected. Three of the authors selected the studies by title and abstract; A descriptive synthesis is provided.</p><p><strong>Results: </strong>Overall, 828 titles were identified; of these,818 were discarded after reviewing the inclusions criteria. Ten articles were included: six case reports, three case reports with literature review, and one case report in the poster modality, for a total number of 10 reported cases. Diagnosis was based on low hemoglobin levels and compromised erythroid cell line in bone marrow biopsy. Treatment consists of red blood cell transfusions, with good maternal and fetal prognosis.</p><p><strong>Conclusions: </strong>Diagnosis of pure red-cell aplasia during pregnancy requires bone marrow biopsy. With transfusion support, maternal perinatal prognosis is good. Further studies are required to assess the safety and efficacy of steroid use in this pregnancy-related condition.</p>","PeriodicalId":35675,"journal":{"name":"Revista Colombiana de Obstetricia y Ginecologia","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2020-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"25311220","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Precurso lesions of anal cancer in women: approach from the gynecologist perspective.","authors":"Jorge Andrés Rubio-Romero, Luz Amparo Díaz-Cruz","doi":"10.18597/rcog.3646","DOIUrl":"https://doi.org/10.18597/rcog.3646","url":null,"abstract":"","PeriodicalId":35675,"journal":{"name":"Revista Colombiana de Obstetricia y Ginecologia","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2020-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"25311277","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Felipe Castro-Villegas, Gustavo Adolfo Canaval-Erazo, Juan Manuel Rico-Juri, José Óscar Gutiérrez-Montes, Anabel Vanin-Aguas, Hoover Orlando Canaval-Erazo
{"title":"[Orthotopic uterus transplantation. Sheep model experiment, Cali (Colombia)].","authors":"Felipe Castro-Villegas, Gustavo Adolfo Canaval-Erazo, Juan Manuel Rico-Juri, José Óscar Gutiérrez-Montes, Anabel Vanin-Aguas, Hoover Orlando Canaval-Erazo","doi":"10.18597/rcog.3504","DOIUrl":"https://doi.org/10.18597/rcog.3504","url":null,"abstract":"<p><strong>Objective: </strong>It has been recommended that professionals who are planning to perform uterine transplantation should first carry out animal experiments. This paper describes the procedure for uterine transplant in sheep, as well as short and medium-term results.</p><p><strong>Methods: </strong>Experimental surgery study in sheep subjected to uterine explantation and transplant. Four 40-50 kg sheep received uteri transplantation (orthotopic) from four live donors. End-to-side vascular anastomosis was used, the vagina was sutured on one plane and the uterus was fixed to the pelvic wall. Complications and 180-day evolution are described.</p><p><strong>Results: </strong>Transplant surgery was accomplished in the 4 sheep. Surgical time in the first procedure was 240 minutes, while the last procedure lasted 185 minutes. Warm ischemia time was reduced from 42 to 22 minutes. One sheep died on the seventh postoperative day due to an intraoperative complication unrelated to the vascular anastomosis. A second sheep developed local vaginal infection treated with metronidazole and evolved satisfactorily. No transplant rejection had occurred in the remaining 3 sheep after 6 months.</p><p><strong>Conclusions: </strong>The ovine model allowed surgical training in experimental uterine transplant surgery. For the authors, it offered an opportunity to gain knowledge and make progress towards future uterus transplantation in women with uterine factor infertility in Colombia.</p>","PeriodicalId":35675,"journal":{"name":"Revista Colombiana de Obstetricia y Ginecologia","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2020-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"38653370","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"[TRIBULACIONES DE LA INVESTIGACIÓN EN TIEMPOS DE COVID-19].","authors":"Hernando Gaitán Duarte","doi":"10.18597/rcog.xxxx","DOIUrl":"https://doi.org/10.18597/rcog.xxxx","url":null,"abstract":"El año 2020 será recordado no solo por la aparición de una nueva pandemia (1), sino también por la gran incertidumbre que trajo al mundo ya que nos recordó la fragilidad del ser humano. Para inicios de este año, se consideraba que muy pocas situaciones eran imprevisibles o no pronosticables. Por ejemplo, a finales de 2017 se advertía que nos encontrábamos en un planeta globalizado, donde el cruce de personas, información y flujos de capital entre los países era cada vez más frecuente, llegando a niveles nunca vistos y, aunque había algunas amenazas –como la salida de la Gran Bretaña de la Unión Europea, conocida como Brexit, y el nacionalismo de Trump–, no se consideraba que hubiera una amenaza a esta globalización (2). Por otra parte, a partir del uso de la big data y de los modelos analíticos, que utilizan la llamada “inteligencia artificial”, se podían predecir muchas situaciones como posibles, por ejemplo, el comportamiento de las persona, ya fuera a partir de la visita a páginas de internet (3), o a partir de la ubicación del individuo a través del teléfono inteligente (4), o con el procesamiento de texto obtener inferencias causales (5), entre otras muchas a aplicaciones que estas tecnologías nos ofrecen. Muy pocas personas pudieron imaginar (6) que podría venir una pandemia por una infección viral, como la surgida en marzo de 2020, ante la cual estamos aún perplejos. En Colombia, donde la incertidumbre es parte del escenario cotidiano, la pandemia nos sorprendió en un momento caracterizado por una gran movilización social, que se había iniciado en noviembre de 2019 como parte de una cadena de movimientos sociales https://doi.org/10.18597/rcog.3621","PeriodicalId":35675,"journal":{"name":"Revista Colombiana de Obstetricia y Ginecologia","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2020-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76857013","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}