Andrei-Vasile Pop

Dr. Andrei-Vasile Pop

orcid

Research Focus & Metrics

Academic Career Length

7Years (2020-Present)

(Calculated once Scilit publication data is synced: current year − year of first publication + 1)

Representative Publications

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13 September 2024 in Medicina
Verified
Journal Article
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PSPopa Stefan-Lucian
Popa Stefan-Lucian
TBTeodora Surdea Blaga
Teodora Surdea Blaga
Dan L DumitrascuDan L Dumitrascu
Dan L Dumitrascu
APAndrei-Vasile Pop
Andrei-Vasile Pop
Abdulrahman IsmaielAbdulrahman Ismaiel
Abdulrahman Ismaiel
DLDaniel Corneliu Leucuta
Daniel Corneliu Leucuta
Background/Objectives: To develop a deep learning model for esophageal motility disorder diagnosis using high-resolution manometry images with the aid of Gemini. Methods: Gemini assisted in developing this model by aiding in code writing, preprocessing, model optimization, and troubleshooting. Results: The model demonstrated an overall precision of 0.89 on the testing set, with an accuracy of 0.88, a recall of 0.88, and an F1-score of 0.885. It presented better results for multiple categories, particularly in the panesophageal pressurization category, with precision = 0.99 and recall = 0.99, yielding a balanced F1-score of 0.99. Conclusions: This study demonstrates the potential of artificial intelligence, particularly Gemini, in aiding the creation of robust deep learning models for medical image analysis, solving not just simple binary classification problems but more complex, multi-class image classification tasks.

18 June 2021 in Journal of Gastrointestinal and Liver Diseases
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Journal Article
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Dan L DumitrascuDan L Dumitrascu
Dan L Dumitrascu
ABAdriana Baban
Adriana Baban
IBIon Bancila
Ion Bancila
OBOana Bogdana Barboi
Oana Bogdana Barboi
SBSimona Maria Bataga
Simona Maria Bataga
VDVasile Drug
Vasile Drug
Background and Aims: The nonpharmacological therapy in irritable bowel syndrome (IBS) is expanding rapidly. Practitioners and medical educators need to be aware of progress and changes in knowledge of this topic. The Romanian Society of Neurogastroenterology aimed to create guidelines based on best evidence on the use of nonpharmacological therapy in IBS. Methods: A group of experts was constituted. This was divided in eleven subgroups dedicated to eleven categories of nonpharmacological therapy. The subgroups searched the literature and formulated statements and recommendations. These were submitted to vote in order to obtain consensus. Results: The outcome of this activity is represented by the guidelines of the Romanian Society of Neurogastroenterology, presented in this paper. The recommendations are seen as complementary to the pharmacological therapy and are not intended to recommend avoiding pharmacological drugs. Conclusions: These guidelines were elaborated by a Delphi process and represent a useful tool for physicians managing patients with IBS.

7 November 2023 in Biomedicines
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Journal Article
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PSPopa Stefan-Lucian
Popa Stefan-Lucian
BSBogdan Stancu
Bogdan Stancu
Abdulrahman IsmaielAbdulrahman Ismaiel
Abdulrahman Ismaiel
DTDaria Claudia Turtoi
Daria Claudia Turtoi
VBVlad Dumitru Brata
Vlad Dumitru Brata
FMFlorin Mihaileanu
Florin Mihaileanu
Background: Small bowel disorders present a diagnostic challenge due to the limited accessibility of the small intestine. Accurate diagnosis is made with the aid of specific procedures, like capsule endoscopy or double-ballon enteroscopy, but they are not usually solicited and not widely accessible. This study aims to assess and compare the diagnostic effectiveness of enteroscopy and video capsule endoscopy (VCE) when combined with artificial intelligence (AI) algorithms for the automatic detection of small bowel diseases. Materials and methods: We performed an extensive literature search for relevant studies about AI applications capable of identifying small bowel disorders using enteroscopy and VCE, published between 2012 and 2023, employing PubMed, Cochrane Library, Google Scholar, Embase, Scopus, and ClinicalTrials.gov databases. Results: Our investigation discovered a total of 27 publications, out of which 21 studies assessed the application of VCE, while the remaining 6 articles analyzed the enteroscopy procedure. The included studies portrayed that both investigations, enhanced by AI, exhibited a high level of diagnostic accuracy. Enteroscopy demonstrated superior diagnostic capability, providing precise identification of small bowel pathologies with the added advantage of enabling immediate therapeutic intervention. The choice between these modalities should be guided by clinical context, patient preference, and resource availability. Studies with larger sample sizes and prospective designs are warranted to validate these results and optimize the integration of AI in small bowel diagnostics. Conclusions: The current analysis demonstrates that both enteroscopy and VCE with AI augmentation exhibit comparable diagnostic performance for the automatic detection of small bowel disorders.

31 July 2024 in Medicine and Pharmacy Reports
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Journal Article
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DZDalina Diana Zugravu
Dalina Diana Zugravu
SPStefan Lucian Popa
Stefan Lucian Popa
APAndrei-Vasile Pop
Andrei-Vasile Pop
RMRemus Moldovan
Remus Moldovan
ATAlexandru Flaviu Tăbăran
Alexandru Flaviu Tăbăran
SCSimona Valeria Clichici
Simona Valeria Clichici
Background and aims. High fat diet (HFD) can lead to liver injury, through oxidative stress and inflammation. The use of natural compounds with antioxidant and anti-inflammatory properties can have a protective potential. We aimed to investigate the effects of Cornus mas (CM) and gold nanoparticles phytoreduced with CM (GNPsCM) on hepatic alterations induced by HFD in rats. Methods. Female Sprague Dawley rats were randomly divided into four groups: control, HFD, HFD +CM and HFD + GNPsCM. The high fat diet was administered for 32 weeks and CM and GNPsCM were administered for 4 weeks after the HFD period. The high fat diet induced oxidative stress in liver, with lipid peroxidation and decreased antioxidant capacity, inflammation and minimal histological alterations. Results. The administration of CM and GNPsCM reduced lipid peroxidation produced by HFD and increased antioxidant potential in liver homogenates, while increasing inflammatory markers. Histological alterations were slightly improved by the intervention of compounds, and hyaluronic acid content of the liver without statistical significance as compared to HFD group. Conclusion. These findings support the potential of these treatments in addressing liver oxidative stress, mitigating liver damage induced by a high-fat diet. This investigation sheds light on the oxidative stress dynamics and histological alterations associated with high-fat diet-induced liver injury, contributing to our understanding of potential therapeutic interventions.

27 October 2020 in Journal of Gastrointestinal and Liver Diseases
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Journal Article
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TBTeodora Surdea Blaga
Teodora Surdea Blaga
LDLiliana-Elisabeta David
Liliana-Elisabeta David
APAndrei-Vasile Pop
Andrei-Vasile Pop
MTMarcel Tantau
Marcel Tantau
Dan L DumitrascuDan L Dumitrascu
Dan L Dumitrascu
Background and Aims: The three manometric patterns of achalasia are considered by some authors as different stages in the evolution of the same disorder. The aims of our study were to characterize patients with achalasia, in order to find key differences supporting the idea of progression from one type to the other, and to assess the clinical evolution in time. Methods: From 280 high resolution esophageal manometry recordings we selected unique patients with achalasia. A standardized questionnaire used prior to each manometry recorded their symptoms. Manometric parameters (resting lower esophageal sphincter (LES) pressure, 4s-integrated relaxation pressure (IRP), length of the esophagus, etc.) were recorded. Patients were contacted to establish the clinical evolution. Results: We identified 108 new achalasia cases (mean age 48.2±16.2 years, 52.8% type I, 42.6% type II), 52 (48.1%) women. Dysphagia (98.1%), cough (64.8%), belching (60.2%) and reflux symptoms (53.7%) were frequently reported. Patients with type I achalasia reported more often that dysphagia worsened, compared to type II patients (χ2=7.3, p =0.007). Age, duration of dysphagia, body mass index (p=0.067) and esophageal length were similar in type I and type II achalasia. Resting LES pressure (64.7±22.6 mmHg vs. 54.3±21.6 mmHg, p=0.019) and 4s-IRP (45.3±17.6 mmHg vs. 38.4±15.5 mmHg, p=0.036) were higher in type II compared to type I achalasia. Overweight patients had a lower LES resting pressure and 4s-IRP compared to lean subjects. After a mean follow-up of 36.8±13.4 months, 49 (45.3%) patients responded to our follow-up, and 77.5% had an Eckardt score ≤ 3. Conclusions: Type I achalasia was the most common in our group. Type I patients had lower BMI but similar duration of dysphagia and mean age compared to type II. Type III is seldom and present in older patients. These findings suggest low probability of progression from type III and II to type I achalasia. Patients with type II achalasia had higher resting LES pressure and 4s-IRP than type I achalasia patients.

24 December 2025 in United European Gastroenterology Journal
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Journal Article
Open access
IMIrina Midenfjord
Irina Midenfjord
MKMahrukh Khadija
Mahrukh Khadija
ESElias Sundelin
Elias Sundelin
ITInês A. Trindade
Inês A. Trindade
HTHans Törnblom
Hans Törnblom
MSMagnus Simrén
Magnus Simrén
Background: Patients with Irritable bowel syndrome (IBS) frequently suffer from comorbid psychiatric or somatic conditions, but the association with overall GI symptom severity and disease burden in IBS has not yet been established. Objective: This pan‐European project, the DISCOvERIE project, aimed to characterize IBS patients with and without comorbid psychiatric (anxiety, depression) and/or somatic (fibromyalgia, chronic fatigue syndrome) conditions, and to compare them with disease (psychiatric and/or somatic condition without IBS) and healthy controls to further elucidate the effect of comorbid conditions on the disease burden in IBS. Methods: Participants from nine different European centers were included: IBS patients (Rome IV criteria) with and without comorbid conditions, disease controls, and healthy controls. The presence of comorbidities was assessed through the Mini International Neuropsychiatric Interview (MINI) for anxiety or depression or through diagnostic criteria for fibromyalgia or chronic fatigue syndrome. Validated questionnaires on IBS (IBS‐SSS), depressive (PHQ‐9), anxiety (GAD‐7) and somatic symptom severity (PHQ‐12), fibromyalgia symptoms (FIQ) and fatigue (MFI) were completed. Results: In total, 842 participants were recruited between March 2021 and January 2023, of which 607 had IBS, 161 were disease controls and 74 were healthy controls. IBS, anxiety, depression, somatic symptoms and fatigue were more severe in IBS patients with comorbidities compared with IBS patients without comorbidities. The severity of the abovementioned symptoms all increased gradually with increasing number of comorbidities (all p < 0.001). Conclusion: This large pan‐European study highlights the significant impact of psychiatric and somatic comorbidities in IBS, and their strong link with outcomes and disease burden.