Mahsa Taghiakbari
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View article: Exploring a novel voice-guided artificial intelligence platform for real-time colonoscopy documentation: a pilot study
Exploring a novel voice-guided artificial intelligence platform for real-time colonoscopy documentation: a pilot study Open
Background Accurate and consistent documentation during colonoscopy is essential for optimal patient care and therapeutic decisions. Traditional manual documentation is time-consuming and subject to variability. Artificial intelligence (AI…
View article: Safety and efficacy of margin and base ablation after endoscopic mucosal resection of large nonpedunculated colorectal polyps: a prospective multicenter study
Safety and efficacy of margin and base ablation after endoscopic mucosal resection of large nonpedunculated colorectal polyps: a prospective multicenter study Open
In a prospective multicenter study, EMR with systematic ablation of the complete postresection base and visible vessels in addition to margin ablation demonstrated high technical success, low adverse events, and low recurrences. A randomiz…
View article: A119 CLINICAL MANAGEMENT OF PATIENTS WITH COLORECTAL INTRAMUCOSAL CARCINOMA COMPARED TO HIGH-GRADE DYSPLASIA AND T1 COLORECTAL CANCER
A119 CLINICAL MANAGEMENT OF PATIENTS WITH COLORECTAL INTRAMUCOSAL CARCINOMA COMPARED TO HIGH-GRADE DYSPLASIA AND T1 COLORECTAL CANCER Open
Background In the colorectum, intramucosal carcinoma (IMC), like high-grade dysplasia (HGD), should be resected endoscopically. Aims We were interested to understand how real-world treatment of IMC cases compares to the management of HGD a…
View article: Clinical management of patients with colorectal intramucosal carcinoma compared to high-grade dysplasia and T1 colorectal cancer
Clinical management of patients with colorectal intramucosal carcinoma compared to high-grade dysplasia and T1 colorectal cancer Open
Patients diagnosed with colorectal IMC were more likely to undergo surgery after complete endoscopic resection than when HGD was diagnosed, although they were not at increased risk of SAN or MAN in this study, and the known risk of nodal m…
View article: Using Computer-aided Optical Diagnosis and Expert Review to Evaluate Colorectal Polyps Diagnosed as Normal Mucosa in Pathology
Using Computer-aided Optical Diagnosis and Expert Review to Evaluate Colorectal Polyps Diagnosed as Normal Mucosa in Pathology Open
Pathological assessment of colorectal polyps is considered the current reference standard for histologic diagnosis. About 10% of polyps sent to the pathology lab are returned with the diagnosis of mucosal folds, mucosal prolapse, or normal…
View article: Endoscopic resection of large non-pedunculated colorectal polyps: current standards of treatment
Endoscopic resection of large non-pedunculated colorectal polyps: current standards of treatment Open
Colorectal cancer is a significant public health concern, and large non-pedunculated colorectal polyps pose a substantial risk for malignancy and incomplete resection, which may lead to interval cancer. The choice of resection technique is…
View article: Establishing ground truth of polyp size, morphology, and volume using three-dimensional scanning
Establishing ground truth of polyp size, morphology, and volume using three-dimensional scanning Open
Establishing ground truth of polyp size, morphology, and volume using three-dimensional scanning Comprehensive artificial intelligence (AI) solutions that should cover detecting polyp morphology, size, and volume are being developed. To tr…
View article: A128 OPTIMIZED COMPUTER ASSISTED TECHNIQUE FOR INCREASING ADENOMA DETECTION DURING COLONOSCOPY: A RANDOMIZED CONTROLLED TRIAL
A128 OPTIMIZED COMPUTER ASSISTED TECHNIQUE FOR INCREASING ADENOMA DETECTION DURING COLONOSCOPY: A RANDOMIZED CONTROLLED TRIAL Open
Background Efforts to improve colonoscopy have recently focused on improving adenoma detection interventions such as artificial intelligence (CADe) that have demonstrated improvements in Adenoma Detection Rates (ADR). Although studies have…
View article: A17 COMPARING ENDOSCOPIST DIAGNOSIS OF COLORECTAL POLYPS ASSISTED BY ARTIFICIAL INTELLIGENCE (CADX) VS CADX WITHOUT ENDOSCOPIST INPUT: A RANDOMIZED CONTROLLED TRIAL
A17 COMPARING ENDOSCOPIST DIAGNOSIS OF COLORECTAL POLYPS ASSISTED BY ARTIFICIAL INTELLIGENCE (CADX) VS CADX WITHOUT ENDOSCOPIST INPUT: A RANDOMIZED CONTROLLED TRIAL Open
Background Artificial intelligence-based optical diagnosis systems (CADx) have been developped to assist in eliminating the need for histologic diagnosis of diminutive colorectal polyps (resect-and-discard and diagnose-and-leave strategies…
View article: A152 THE RISK OF UNFAVORABLE HISTOLOGIC FEATURES, LYMPH NODE METASTASIS AND METACHRONOUS ADVANCED NEOPLASIA IN PATIENTS WITH COLORECTAL INTRAMUCOSAL CARCINOMA
A152 THE RISK OF UNFAVORABLE HISTOLOGIC FEATURES, LYMPH NODE METASTASIS AND METACHRONOUS ADVANCED NEOPLASIA IN PATIENTS WITH COLORECTAL INTRAMUCOSAL CARCINOMA Open
Background Very few studies have described the risk of unfavorable histologic features (UHFs), lymph node involvement (LNI), distant metastasis (DM) and metachronous advanced neoplasia (MAN) after the detection of colorectal intramucosal c…
View article: Autonomous Artificial Intelligence vs Artificial Intelligence–Assisted Human Optical Diagnosis of Colorectal Polyps: A Randomized Controlled Trial
Autonomous Artificial Intelligence vs Artificial Intelligence–Assisted Human Optical Diagnosis of Colorectal Polyps: A Randomized Controlled Trial Open
Autonomous AI-based optical diagnosis exhibits noninferior accuracy to endoscopist-based diagnosis. Both autonomous AI and AI-H exhibited relatively low accuracy for optical diagnosis; however, autonomous AI achieved higher agreement with …
View article: A Preclinical Blinded Randomized-Controlled Trial Evaluating the Clinical Relevance of Polyp Size Measurement Using a Virtual Scale Endoscope
A Preclinical Blinded Randomized-Controlled Trial Evaluating the Clinical Relevance of Polyp Size Measurement Using a Virtual Scale Endoscope Open
Background The virtual scale endoscope (VSE) helps endoscopists measure colorectal polyp size more accurately compared to visual assessment (VA). However, previous studies were not adequately powered to evaluate the sizing of polyps at cli…
View article: Establishing ground truth of polyp size, morphology, and volume using three-dimensional scanning
Establishing ground truth of polyp size, morphology, and volume using three-dimensional scanning Open
Establishing ground truth of polyp size, morphology, and volume using three-dimensional scanning Comprehensive artificial intelligence (AI) solutions that should cover detecting polyp morphology, size, and volume are being developed. To tr…
View article: Measuring the observer (Hawthorne) effect on adenoma detection rates
Measuring the observer (Hawthorne) effect on adenoma detection rates Open
Background and study aims An independent observer can improve procedural quality. We evaluated the impact of the observer (Hawthorne effect) on important quality metrics during colonoscopies. Patients and Methods In a single-center compara…
View article: Cold snare and ablation technique for endoscopic mucosal resection of incompletely resected large laterally spreading tumors
Cold snare and ablation technique for endoscopic mucosal resection of incompletely resected large laterally spreading tumors Open
Previously attempted and partially resected laterally spreading tumors (PA-LSTs) present a particular challenge for subsequent endoscopic mucosal resection (EMR) owing to the presence of submucosal fibrosis. Techniques such as hot avulsion…
View article: Large serrated polyps indicate a greater risk of advanced metachronous colorectal neoplasia than high-grade adenomas
Large serrated polyps indicate a greater risk of advanced metachronous colorectal neoplasia than high-grade adenomas Open
Background and study aims The risk of developing total metachronous advanced neoplasia (TMAN) in patients with index serrated lesions (SL) or adenoma with high-grade dysplasia (HGD) is unknown. We evaluated this risk in patients with eithe…
View article: Automated Detection of Anatomical Landmarks During Colonoscopy Using a Deep Learning Model
Automated Detection of Anatomical Landmarks During Colonoscopy Using a Deep Learning Model Open
Background and aims Identification and photo-documentation of the ileocecal valve (ICV) and appendiceal orifice (AO) confirm completeness of colonoscopy examinations. We aimed to develop and test a deep convolutional neural network (DCNN) …
View article: A73 EFFECT OF FECAL IMMUNOCHEMICAL TEST CUT-OFF LEVELS ON ADENOMA DETECTION RATE: A SYSTEMATIC REVIEW AND META-ANALYSIS
A73 EFFECT OF FECAL IMMUNOCHEMICAL TEST CUT-OFF LEVELS ON ADENOMA DETECTION RATE: A SYSTEMATIC REVIEW AND META-ANALYSIS Open
Background Adenoma detection rate (ADR) is higher after a positive fecal immunochemical test (FIT) compared to direct screening colonoscopy. Purpose This meta-analysis evaluated how ADR, the rates of advanced adenoma detection (AADR), colo…
View article: A123 COMPARING SIZE MEASUREMENT OF SIMULATED COLORECTAL POLYPS WHEN USING A NOVEL VIRTUAL SCALE ENDOSCOPE, ENDOSCOPIC RULER OR FORCEPS: A BLINDED RANDOMIZED TRIAL
A123 COMPARING SIZE MEASUREMENT OF SIMULATED COLORECTAL POLYPS WHEN USING A NOVEL VIRTUAL SCALE ENDOSCOPE, ENDOSCOPIC RULER OR FORCEPS: A BLINDED RANDOMIZED TRIAL Open
Background Accurate polyp size measurement is important for guideline conforming choice of polypectomy techniques and subsequent surveillance interval assignments. Some endoscopic tools (forceps or endoscopic rulers [ER]) exist to help wit…
View article: A25 MEASURING THE OBSERVER (HAWTHORNE) EFFECT ON ADENOMA DETECTION RATES: A CASE-CONTROL RETROSPECTIVE STUDY
A25 MEASURING THE OBSERVER (HAWTHORNE) EFFECT ON ADENOMA DETECTION RATES: A CASE-CONTROL RETROSPECTIVE STUDY Open
Background The effectiveness of colonoscopy screening to prevent colorectal cancer (CRC) is directly linked to its procedural quality. An independent observer (Hawthorne effect) can improve colonoscopy procedural quality metrics, including…
View article: A108 AUTOMATED DETECTION OF ILEOCECAL VALVE, APPENDICEAL ORIFICE, AND POLYP DURING COLONOSCOPY USING A DEEP LEARNING MODEL
A108 AUTOMATED DETECTION OF ILEOCECAL VALVE, APPENDICEAL ORIFICE, AND POLYP DURING COLONOSCOPY USING A DEEP LEARNING MODEL Open
Background Identification and photo-documentation of the ileocecal valve (ICV) and appendiceal orifice (AO) confirm completeness of colonoscopy examinations. We hypothesized that an artificial intelligence (AI)-empowered solution could hel…
View article: A112 MEASURING COLORECTAL POLYP SIZE USING A NOVEL VIRTUAL SCALE FUNCTION DURING ENDOSCOPIES: A CLINICAL PILOT STUDY
A112 MEASURING COLORECTAL POLYP SIZE USING A NOVEL VIRTUAL SCALE FUNCTION DURING ENDOSCOPIES: A CLINICAL PILOT STUDY Open
Background Although accurate polyp size measurement is essential for adequately managing patients, we still rely on the endoscopists' subjective visual estimation of polyp size in routine practice. Purpose We therefore conducted a clinical…
View article: Incomplete resection rates of 4- to 20-mm non-pedunculated colorectal polyps when using wide-field cold snare resection with routine submucosal injection
Incomplete resection rates of 4- to 20-mm non-pedunculated colorectal polyps when using wide-field cold snare resection with routine submucosal injection Open
Background and study aims Incomplete resection of 4- to 20-mm colorectal polyps occur frequently (> 10 %), putting patients at risk for post-colonoscopy colorectal cancer. We hypothesized that routine use of wide-field cold snare resection…
View article: Comparing size measurement of colorectal polyps using a novel virtual scale endoscope, endoscopic ruler or forceps: A preclinical randomized trial
Comparing size measurement of colorectal polyps using a novel virtual scale endoscope, endoscopic ruler or forceps: A preclinical randomized trial Open
Background and study aims Accurate polyp size measurement is important for guideline conforming choice of polypectomy techniques and subsequent surveillance interval assignments. Some endoscopic tools (biopsy forceps [BF] or endoscopic rul…
View article: Comparing size measurements of simulated colorectal polyp size and morphology groups when using a virtual scale endoscope or visual size estimation: Blinded randomized controlled trial
Comparing size measurements of simulated colorectal polyp size and morphology groups when using a virtual scale endoscope or visual size estimation: Blinded randomized controlled trial Open
Objectives The virtual scale endoscope (VSE) allows projection of a virtual scale onto colorectal polyps allowing real‐time size measurements. We studied the relative accuracy of VSE compared to visual assessment (VA) for the measuring sim…
View article: Recurrence rates after endoscopic resection of large colorectal polyps: A systematic review and meta-analysis
Recurrence rates after endoscopic resection of large colorectal polyps: A systematic review and meta-analysis Open
LRR is significantly lower after ESD or EMR with routine margin ablation; thus, these techniques should be considered standard for endoscopic removal of large colorectal polyps. Other techniques, such as CSP, cold EMR, and underwater EMR r…
View article: Non-optical polyp-based resect and discard strategy: A prospective clinical study
Non-optical polyp-based resect and discard strategy: A prospective clinical study Open
The polyp-based strategy achieved almost perfect surveillance interval agreement compared with pathology-based assignments, significantly reduced the number of required pathology evaluations, and provided most patients with immediate surve…
View article: A107 WHAT SIZE CUT-OFF LEVEL SHOULD BE USED TO IMPLEMENT OPTICAL POLYP DIAGNOSIS?
A107 WHAT SIZE CUT-OFF LEVEL SHOULD BE USED TO IMPLEMENT OPTICAL POLYP DIAGNOSIS? Open
Background The risk of advanced pathology and potential mismanagement increases with polyp size while performing optical diagnosis. We hypothesized that a lower polyp size cut-off (e.g., 1–3 mm) would be associated with a lower risk of mis…
View article: A30 RECURRENCE RATES AFTER ENDOSCOPIC RESECTION OF LARGE COLORECTAL POLYPS: A SYSTEMATIC REVIEW AND META-ANALYSIS
A30 RECURRENCE RATES AFTER ENDOSCOPIC RESECTION OF LARGE COLORECTAL POLYPS: A SYSTEMATIC REVIEW AND META-ANALYSIS Open
Background Complete polyp resection is the main goal of endoscopic removal of large colonic polyps. Resection techniques used for their removal have evolved in recent years and endoscopic submucosal dissection (ESD), endoscopic mucosal res…
View article: Artificial intelligence-assisted colonoscopy: A review of current state of practice and research
Artificial intelligence-assisted colonoscopy: A review of current state of practice and research Open
Colonoscopy is an effective screening procedure in colorectal cancer prevention programs; however, colonoscopy practice can vary in terms of lesion detection, classification, and removal. Artificial intelligence (AI)-assisted decision supp…