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  1. Article: Recurrent obstruction of biliary stent-in-stent: a heated solution.

    Carvalho, Tânia / Guimarães, Andreia / Leal, Tiago / Ferreira, Aníbal / Gonçalves, Bruno Moreira

    Revista espanola de enfermedades digestivas

    2024  

    Abstract: Intraductal radiofrequency ablation (RFA) has been used in the management of malignant biliary obstruction and ampullary neoplasms. Some small studies refer to its role in managing benign biliary strictures with some promising results. The complications ... ...

    Abstract Intraductal radiofrequency ablation (RFA) has been used in the management of malignant biliary obstruction and ampullary neoplasms. Some small studies refer to its role in managing benign biliary strictures with some promising results. The complications are not neglectable, namely cholangitis, pancreatitis, bleeding, and perforation, although most of them can be managed conservatively. There are two catheters available. Only the ERLA (EndoLumunal Radiofrequency Ablation, Taewoong Medical) catheter can control temperature and impedance, allowing it to reduce the risk of complications.
    Language English
    Publishing date 2024-04-09
    Publishing country Spain
    Document type Journal Article
    ZDB-ID 1070381-0
    ISSN 1130-0108 ; 0212-7512
    ISSN 1130-0108 ; 0212-7512
    DOI 10.17235/reed.2024.10390/2024
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  2. Article ; Online: An Unexpected Liver Nodule Following Gastric Endoscopic Submucosal Dissection.

    Leal, Tiago / Areal, Joana / Ferreira, Aníbal

    Journal of gastrointestinal and liver diseases : JGLD

    2021  Volume 30, Issue 1, Page(s) 16

    MeSH term(s) Endoscopic Mucosal Resection/adverse effects ; Gastric Mucosa/surgery ; Gastroscopy ; Humans ; Liver/diagnostic imaging ; Liver/surgery ; Stomach Neoplasms/diagnostic imaging ; Stomach Neoplasms/surgery
    Language English
    Publishing date 2021-03-12
    Publishing country Romania
    Document type Journal Article
    ZDB-ID 2427021-0
    ISSN 1842-1121 ; 1841-8724
    ISSN (online) 1842-1121
    ISSN 1841-8724
    DOI 10.15403/jgld-3250
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  3. Article ; Online: THE ROLE OF BOWEL DIARIES IN A "REAL-LIFE" SETTING.

    Mendes, Sofia Silva / Matos-Silva, Maria / Leal, Tiago / Gonçalves, Raquel / Caetano, Ana Célia

    Arquivos de gastroenterologia

    2023  Volume 60, Issue 1, Page(s) 21–29

    Abstract: Background: Despite the potential advantages of patients' self-recordings of bowel habits in lower digestive disorders, few studies evaluate the relevance of clinical information obtained through bowel diaries in clinical practice.: Objective: The ... ...

    Abstract Background: Despite the potential advantages of patients' self-recordings of bowel habits in lower digestive disorders, few studies evaluate the relevance of clinical information obtained through bowel diaries in clinical practice.
    Objective: The main objective of this study was to evaluate the role of bowel diaries as an auxiliary diagnostic tool in lower gastrointestinal disorders consultations.
    Methods: In this cross-sectional study, at the end of their gastroenterology consultation, patients were questioned about their bowel habits and gastrointestinal symptoms. The bowel diary was then filled by the patients at home for 2 weeks. The data collected from the clinical interview and from the bowel diaries were analyzed.
    Results: Fifty-three patients participated in the study. Patients underestimated the number of their bowel movements (BM) in the interviews compared with the bowel diaries (P=0.007). There was a poor agreement between stool consistencies described in the interviews and recorded in the diaries (k=0.281). Patients overestimated their straining during evacuation in the interviews compared with the diaries (P=0.012). Regarding the subgroups' analysis, patients with proctological disorders described less BM in their interviews (P=0.033). Straining during evacuation was higher in the interviews of patients without proctological disorders (P=0.028) and in the interviews of more educated patients (P=0.028).
    Conclusion: Overall, there were discrepancies between the clinical interview and the bowel diary regarding the number of BM, the stool consistency and straining. Bowel diaries are therefore a relevant instrument as a complement to the clinical interview to objectify patients' complaints and treat functional gastrointestinal disorders more adequately.
    MeSH term(s) Humans ; Constipation/drug therapy ; Cross-Sectional Studies ; Intestines ; Defecation ; Gastroenterology
    Language English
    Publishing date 2023-05-15
    Publishing country Brazil
    Document type Journal Article
    ZDB-ID 137743-7
    ISSN 1678-4219 ; 0004-2803
    ISSN (online) 1678-4219
    ISSN 0004-2803
    DOI 10.1590/S0004-2803.202301000-04
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  4. Article: Cecal MALT lymphoma: a challenging diagnosis.

    Silva Mendes, Sofia / Leal, Tiago / Caetano, Ana Célia / Gonçalves, Raquel

    Revista espanola de enfermedades digestivas : organo oficial de la Sociedad Espanola de Patologia Digestiva

    2022  Volume 114, Issue 5, Page(s) 301–302

    Abstract: A 76-year-old female with a medical history of diabetes, arterial hypertension and dyslipidemia sought medical assistance due to left flank abdominal pain, fatigue and anorexia over the previous month. Laboratory analyses were normal and the computed ... ...

    Abstract A 76-year-old female with a medical history of diabetes, arterial hypertension and dyslipidemia sought medical assistance due to left flank abdominal pain, fatigue and anorexia over the previous month. Laboratory analyses were normal and the computed tomography (CT) scan showed colonic diverticulosis and mesenteric panniculitis.
    MeSH term(s) Abdomen ; Aged ; Cecal Neoplasms/diagnostic imaging ; Diverticulosis, Colonic ; Female ; Humans ; Lymphoma, B-Cell, Marginal Zone ; Panniculitis, Peritoneal/diagnosis ; Tomography, X-Ray Computed
    Language English
    Publishing date 2022-01-03
    Publishing country Spain
    Document type Case Reports ; Journal Article
    ZDB-ID 1070381-0
    ISSN 1130-0108 ; 0212-7512
    ISSN 1130-0108 ; 0212-7512
    DOI 10.17235/reed.2021.8526/2021
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  5. Article: One appendix too many: a severe IBD-U case in remission after appendectomy.

    Bernardes Antunes, Pedro / Gonçalves, Margarida / Leal, Tiago / Gonçalves, Bruno

    Revista espanola de enfermedades digestivas : organo oficial de la Sociedad Espanola de Patologia Digestiva

    2022  Volume 114, Issue 10, Page(s) 623–624

    Abstract: A 39-year-old female was diagnosed with inflammatory bowel disease unclassified (IBD-U) in 2011, during the post-partum period, after developing chronic bloody diarrhea and marked weight loss. She underwent colonoscopy showing erosive ileitis and ... ...

    Abstract A 39-year-old female was diagnosed with inflammatory bowel disease unclassified (IBD-U) in 2011, during the post-partum period, after developing chronic bloody diarrhea and marked weight loss. She underwent colonoscopy showing erosive ileitis and pancolitis. Biopsies were compatible with unspecified chronic ileocolitis.
    MeSH term(s) Adult ; Appendectomy ; Appendix/pathology ; Chronic Disease ; Colonoscopy ; Crohn Disease/complications ; Crohn Disease/surgery ; Diarrhea ; Female ; Humans ; Ileitis/diagnostic imaging ; Ileitis/surgery ; Inflammatory Bowel Diseases/complications ; Inflammatory Bowel Diseases/diagnosis ; Inflammatory Bowel Diseases/surgery
    Language English
    Publishing date 2022-04-11
    Publishing country Spain
    Document type Case Reports ; Journal Article
    ZDB-ID 1070381-0
    ISSN 1130-0108 ; 0212-7512
    ISSN 1130-0108 ; 0212-7512
    DOI 10.17235/reed.2022.8809/2022
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  6. Article: Endoscopic resolution of a duodenal perforation due to a pancreatic stent.

    Leal, Tiago / Gonçalves, Bruno / Ferreira, Aníbal

    Revista espanola de enfermedades digestivas : organo oficial de la Sociedad Espanola de Patologia Digestiva

    2021  Volume 113, Issue 5, Page(s) 383

    Abstract: We read with interest the article by Roa Esparza I et al. reporting the endoscopic management of a duodenal perforation. In fact, we have dealt with a similar case using a different technique. ...

    Abstract We read with interest the article by Roa Esparza I et al. reporting the endoscopic management of a duodenal perforation. In fact, we have dealt with a similar case using a different technique.
    MeSH term(s) Duodenal Ulcer ; Endoscopy ; Humans ; Peptic Ulcer Perforation ; Stents/adverse effects
    Language English
    Publishing date 2021-01-03
    Publishing country Spain
    Document type Journal Article ; Comment
    ZDB-ID 1070381-0
    ISSN 1130-0108 ; 0212-7512
    ISSN 1130-0108 ; 0212-7512
    DOI 10.17235/reed.2020.7714/2020
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  7. Article: EUS-Guided Gastroenterostomy for the Management of Malignant Gastric Outlet Obstruction: A Single-Center Initial Experience.

    Antunes, Pedro Bernardes / Leal, Tiago / Gonçalves, Raquel / Gonçalves, Bruno

    GE Portuguese journal of gastroenterology

    2022  Volume 30, Issue Suppl 1, Page(s) 61–64

    Language English
    Publishing date 2022-10-20
    Publishing country Switzerland
    Document type Case Reports
    ZDB-ID 2835774-7
    ISSN 2387-1954 ; 2341-4545
    ISSN (online) 2387-1954
    ISSN 2341-4545
    DOI 10.1159/000527015
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  8. Article ; Online: Sleep disorders, anxiety and obesity associated with untreated dental caries in children eight to ten years of age.

    de Lima, Larissa Chaves Morais / Bernardino, Veruska Medeiros Martins / Leal, Tiago Ribeiro / Granja, Gélica Lima / Paiva, Saul Martins / Granville-Garcia, Ana Flávia

    Journal of public health dentistry

    2024  Volume 84, Issue 1, Page(s) 13–20

    Abstract: Objective: To evaluate the presence of sleep disorders, obesity and anxiety associated with cavitated carious lesions in children aged 8 to 10 years.: Materials and methods: A cross-sectional study was carried out in the Northeast of Brazil. The ... ...

    Abstract Objective: To evaluate the presence of sleep disorders, obesity and anxiety associated with cavitated carious lesions in children aged 8 to 10 years.
    Materials and methods: A cross-sectional study was carried out in the Northeast of Brazil. The sample was comprised of 793 schoolchildren randomly selected from public and private schools. Calibrated examiners (Kappa >0.80) performed the clinical examination of dental caries using the International Caries Detection and Assessment System and applied the Revised Children's Manifest Anxiety Scale and the Sleep Disturbance Scale for Children questionnaires. The anthropometric variables evaluated were weight and height. Negative binomial regressions (α ≤ 0.05) were performed. A Directed Acyclic Graph was prepared using DAGitty software (version 3.0), to select the co-variables for the statistical fits.
    Results: The prevalence of tooth decay was 52.8%. The mean number of tooth surfaces with cavitated caries was 2.2(2.8), 58.9% of the schoolchildren had some type of sleep disorder, while 20.2% were anxious and 29.1% were obese. Sleep disturbance (RR = 1.38; 95% CI: 1.05-1.83), general anxiety (RR = 1.71; 95% CI: 1.32-2.21), obesity (RR = 1.48; 95% CI: 1.17-1.86) were associated with dental caries in the final model.
    Conclusion: The presence of carious lesions was higher in children with sleep disorders, anxiety, obesity, and those who experienced dry mouth.
    MeSH term(s) Child ; Humans ; Dental Caries/complications ; Dental Caries/epidemiology ; Dental Caries/diagnosis ; Cross-Sectional Studies ; Obesity ; Prevalence ; Anxiety ; Anxiety Disorders ; Sleep
    Language English
    Publishing date 2024-01-06
    Publishing country United States
    Document type Journal Article
    ZDB-ID 410719-6
    ISSN 1752-7325 ; 0022-4006
    ISSN (online) 1752-7325
    ISSN 0022-4006
    DOI 10.1111/jphd.12595
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  9. Book ; Online: Imaging the time series of one single referenced EEG electrode for Epileptic Seizures Risk Analysis

    Leal, Tiago / Dourado, Antonio / Lopes, Fabio / Teixeira, Cesar

    2022  

    Abstract: The time series captured by a single scalp electrode (plus the reference electrode) of refractory epileptic patients is used to forecast seizures susceptibility. The time series is preprocessed, segmented, and each segment transformed into an image, ... ...

    Abstract The time series captured by a single scalp electrode (plus the reference electrode) of refractory epileptic patients is used to forecast seizures susceptibility. The time series is preprocessed, segmented, and each segment transformed into an image, using three different known methods: Recurrence Plot, Gramian Angular Field, Markov Transition Field. The likelihood of the occurrence of a seizure in a future predefined time window is computed by averaging the output of the softmax layer of a CNN, differently from the usual consideration of the output of the classification layer. By thresholding this likelihood, seizure forecasting has better performance. Interestingly, for almost every patient, the best threshold was different from 50%. The results show that this technique can predict with good results for some seizures and patients. However, more tests, namely more patients and more seizures, are needed to better understand the real potential of this technique.

    Comment: 11 pages, 5 figures, 3 tables. arXiv admin note: text overlap with arXiv:2204.07034
    Keywords Computer Science - Machine Learning ; Electrical Engineering and Systems Science - Signal Processing
    Publishing date 2022-06-29
    Publishing country us
    Document type Book ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  10. Book ; Online: Epileptic Seizure Risk Assessment by Multi-Channel Imaging of the EEG

    Leal, Tiago / Lopes, Fabio / Teixeira, Cesar / Dourado, Antonio

    2022  

    Abstract: Refractory epileptic patients can suffer a seizure at any moment. Seizure prediction would substantially improve their lives. In this work, based on scalp EEG and its transformation into images, the likelihood of an epileptic seizure occurring at any ... ...

    Abstract Refractory epileptic patients can suffer a seizure at any moment. Seizure prediction would substantially improve their lives. In this work, based on scalp EEG and its transformation into images, the likelihood of an epileptic seizure occurring at any moment is computed using an average of the softmax layer output (the likelihood) of a CNN, instead of the output of the classification layer. Results show that by analyzing the likelihood and thresholding it, prediction has higher sensitivity or a lower FPR/h. The best threshold for the likelihood was higher than 50% for 5 patients, and was lower for the remaining 36. However, more testing is needed, especially in new seizures, to better assess the real performance of this method. This work is a proof of concept with a positive outlook.

    Comment: 9 pages, 6 figures, one table
    Keywords Electrical Engineering and Systems Science - Signal Processing ; Computer Science - Machine Learning ; I.2 ; J.3
    Publishing date 2022-04-12
    Publishing country us
    Document type Book ; Online
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