126 results on '"R. Iacob"'
Search Results
2. A 10-year retrospective single-center study of alpha-fetoprotein and beta-human chorionic gonadotropin in Romanian children with (para)gonadal tumors and cysts
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Usiwoma O. Ataikiru, Emil R. Iacob, Ingrith Miron, Calin M. Popoiu, and Eugen S. Boia
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Male ,endocrine system ,Cysts ,Romania ,Endocrinology, Diabetes and Metabolism ,Chorionic Gonadotropin ,Endocrinology ,Testicular Neoplasms ,Pediatrics, Perinatology and Child Health ,Biomarkers, Tumor ,Humans ,Chorionic Gonadotropin, beta Subunit, Human ,alpha-Fetoproteins ,Child ,Retrospective Studies - Abstract
Objectives Malignant tumor is a top-ranking cause of pediatric (>1-year) mortality in America and Europe. Among pediatric tumors, germ cell tumors (GCT) and gonadal tumors rank fourth (6%) by the Surveillance, Epidemiology, and End Results (SEER) program (seer.cancer.gov). Continuous research on tumor markers harnesses their full potential in tumor detection and management. We evaluated the effectiveness of beta-human chorionic gonadotropin (β-hCG) and Alpha-fetoprotein (AFP) in Romanian children with (para)gonadal tumors and cysts, determining their accuracy in detecting malignancy, tumor-type, stage, complications, prognosis, and treatment response. Methods A 10-year retrospective study of AFP and β-hCG in 134 children with cysts and (para)gonadal tumors aged one month to 17 years was performed. Results AFP/β-hCG was unelevated in patients with cysts and nonmalignant tumors. Forty-eight/86 patients (43 GCT and 5 non-GCT) with malignant tumors had elevated AFP/β-hCG, 3/48 patients had recurrences, and 25/48 had mixed-GCT (68% had elevated AFP + β-hCG). All 30 patients with Yolk sac tumors (YST) or their components had elevated AFP. Area under the curve, sensitivity and specificity for GCT were: AFP + β-hCG- 0.828, 67.2%, 100%; AFP- 0.813, 64.1%, 100%; and β-hCG- 0.664, 32.8%, 100%. Two patients whose AFP/β-hCG levels remained elevated died. Common mixed-GCT components were YST-80% and embryonal carcinoma-72%. Thirty of 34 metastasis cases were GCT, with 26/34 patients having elevated AFP/β-hCG. Conclusions AFP/β-hCG detects malignant GCT and can determine tumor-type. GCT patients with markedly elevated AFP + β-hCG had poor prognosis, especially if recurrence or metastasis was present. Recurrence is unrelated to elevated AFP/β-hCG. The tumor components and quantity present determine AFP/β-hCG values in mixed-GCT.
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- 2021
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3. P641 Bowel Doppler Signal, the most important ultrasonographic feature in clinical practice in managing Inflammatory Bowel Diseases patients
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A Les, B Cotruta, R Iacob, R Saizu, L Gheorghe, and C Gheorghe
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Gastroenterology ,General Medicine - Abstract
Background IBD are chronic diseases that require multiple endoscopic and imaging assessments, being diseases that not only involve a multitude of medical resources but patient compliance too. Bowel ultrasound (BUS) is a useful imaging tool in monitoring inflammatory bowel diseases (IBD) patients. Current guidelines recommend BUS altogether with other cross-sectional imaging methods to diagnose, monitor IBD patients and also for detecting complications and post-surgery recurrence. A multitude of ultrasonographic features are used to describe pathologic findings related to IBD but not all of them are easy to integrate in clinical practice, especially in unexperienced hands. Methods Our study included 117 IBD patients of which 28 were diagnosed with ulcerative colitis and 89 with Crohn’s disease. Diagnosis was established endoscopically and histologically and both patients with active and inactive disease were included. Exclusion criteria consisted in patients with other causes of inflammatory syndrome, patients with solely rectal localization of the disease or a surgical history. Subjects were prospectively evaluated using BUS and several sonographic aspects of the bowel wall were monitored: bowel wall thickness, bowel echo pattern, Doppler signal (DS) presence, hypertrophic mesenteric fat, and the presence of lymph nodes. Biological markers of inflammation were obtained including faecal calprotectin. Patients were followed up for the next 6 months and data regarding treatment intensification was noted. All patients signed an informed consent, and the study was approved by the Ethics Committee of the Fundeni Clinical Institute. Results Significantly higher values of clinical and biological markers were associated with the presence of parietal DS (p Conclusion DS is one of the most important BUS features to use in evaluating and monitoring IBD patients and could have a role in disease decision making. This finding should advocate for this imaging method in clinical practice, and even low BUS-experience practitioners are encouraged to use it.
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- 2023
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4. Echocardiographic imaging and ventricular mechanics in pulsatile-flow LVAD pediatric patients: a systematic approach
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R. Iacobelli, A. Di Molfetta, and A. Amodeo
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echocardiography ,children ,pulsatile-flow LVAD ,ventricular mechanics ,heart-LVAD interaction ,Pediatrics ,RJ1-570 - Abstract
Echocardiography plays a crucial role in determining the eligibility for left ventricular assist device (LVAD) placement in patients experiencing advanced heart failure (HF) and in monitoring patient care after the implantation procedure. Because of its unique nature, pediatric population and pulsatile-flow LVADs used in pediatrics require specific skills so that pediatric echocardiographers must develop a systematic approach in order to image the patients pre and post LVAD implantation. Therefore, the purpose of this narrative review is to delineate a systematic echocardiographic approach for pediatric patients supported by pulsatile-flow LVADs.
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- 2024
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5. Chlorophyll-a determination - a reliable method for phytoplankton biomass assessment
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C. Sandu, N. Nicolescu, and R. Iacob
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Hydrology ,Biomass (ecology) ,Chlorophyll a ,Ecology ,Aquatic ecosystem ,Plant Science ,Phytoplankton biomass ,chemistry.chemical_compound ,chemistry ,Danube delta ,Phytoplankton ,Environmental science ,Trophic state index ,Ecology, Evolution, Behavior and Systematics ,Trophic level - Abstract
Phytoplankton biomass assessment is one of the major objectives in an aquatic ecosystem in order to evaluate the amount of energy for the next trophic level and also for trophic state prediction. Spectrometric determination of chlorophyll-a content is a simply and quick alternative method for the algal biomass evaluation. Although it is not so precise as the microscopic count, this method becomes soon adopted in the water management. The paper shows a comparison between two methods for algal biomass assessment (microscopic count and determination of chlorophyll-a content) in some aquatic ecosystems of Danube Delta in 2000-2002 period.
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- 2003
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6. Nutritional risk screening and prevalence of malnutrition on admission to gastroenterology departments: a multicentric study
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C, Gheorghe, O, Pascu, R, Iacob, R, Vadan, S, Iacob, A, Goldis, M, Tantau, E, Dumitru, D, Dobru, E, Miutescu, A, Saftoiu, A, Fraticiu, D, Tomescu, and L, Gheorghe
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Adult ,Male ,Nutritional Support ,Romania ,Liver Diseases ,Malnutrition ,Gastroenterology ,Hospital Departments ,Pancreatic Diseases ,Middle Aged ,Inflammatory Bowel Diseases ,Risk Assessment ,Body Mass Index ,Hospitals, University ,Nutrition Assessment ,Risk Factors ,Neoplasms ,Weight Loss ,Prevalence ,Humans ,Female ,Prospective Studies ,Aged - Abstract
There is little awareness and a lack of data on the prevalence of hospital malnutrition in gastro-enterology departments. Since part of these patients are referred for surgical treatment and poor nutritional status is a known risk factor for perioperative morbidity, we conducted a prospective study aimed to screen for the nutritional risk and assess the prevalence and risk factors of malnutrition in gastro-enterology departments in Romania.We included patients consecutively admitted to 8 gastroenterology units over a period of three months in our study. Nutritional risk was evaluated using NRS 2002. Malnutrition was defined using BMI ( 20 kg m2) or and 10% weight loss in the last six months.3198 patients were evaluated, 51.6% males and 48.4% females, with the mean age of 54.5 Â+- 14.3 years. Overall percentage of patients at nutritional risk was 17.1%, with the highest risk for patients with advanced liver diseases (49.8%), oncologic (31.3%), inflammatory bowel diseases (20.2%), and pancreatic diseases (18.9%). The overall prevalence of malnutrition was of 20.4%, higher for advanced liver diseases (39.4%), inflammatory bowed diseases (30.6%), oncologic (26.8%) and pancreatic diseases (23%). Independent risk factors for malnutrition were younger age (p 0.0001), female gender (p 0.0001), a higher (A ≥ 3) NRS (p 0.0001), presence of neoplasm (p 0.0001), of advanced liver disease (p=0.0003) and a reduction of 25% of dietary intake (p 0.0001).One in five patients admitted to gastroenterology units could benefit from prompt nutritional intervention. Correction of nutritional status is mandatory before any surgical procedure. Emphasis on nutritional evaluation at admission and beginning of nutritional therapy where needed are particularly required in patients with advanced liver diseases, digestive neoplasms, inflammatory bowel diseases and pancreatic diseases.NRS= nutritional risk score, BMI = body mass index, IBD = inflammatory bowel diseases.
- Published
- 2013
7. Applications of new gastrointestinal endoscopic diagnostic techniques in daily clinical practice
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R. Iacob, C. Gheorghe, Bogdan Cotruta, and Ion Bancila
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Clinical Practice ,medicine.medical_specialty ,business.industry ,Medicine ,Medical physics ,General Medicine ,business - Published
- 2011
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8. MELD exceptions and new predictive score of death on long waiting lists for liver transplantation
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S, Iacob, L, Gheorghe, R, Iacob, C, Gheorghe, D, Hrehoreţ, and I, Popescu
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Adult ,Male ,Analysis of Variance ,Models, Statistical ,Time Factors ,Waiting Lists ,Middle Aged ,Prognosis ,Fibrosis ,Severity of Illness Index ,Survival Analysis ,Liver Transplantation ,Predictive Value of Tests ,Multivariate Analysis ,Disease Progression ,Humans ,Female ,Prospective Studies ,Algorithms ,Liver Failure ,Proportional Hazards Models - Abstract
Cirrhosis related complications, considered MELD exceptions, proved to add prognostic value to the MELD score in predicting waiting list mortality.To identify the predictive value for death on a long waiting list (WL) for the complications of liver disease.During 2004-2007, 372 consecutive adult patients were listed for liver transplantation (LT). To identify the potential predictors of patient death, univariate and multivariate Cox's proportional hazards regression model was used.In the univariate survival analysis the following variables were significant: spontaneous bacterial peritonitis, refractory ascites, hyponatremia, hepatic encephalopathy, hepatorenal syndrome, initial and current MELD score, initial and current Child-Pugh score. The independent predictors of death on our WL were: refractory ascites (p=0.002) and hepatorenal syndrome (p=0.002). Based on a logistic regression analysis a new score has been developed: Score = 1/(1+ exp(-(-4.38 + 1.34 x Refractory ascites + 0.9 x Hepatorenal syndrome + 0.15 x Current MELD). The c-statistic for the new score for prediction of death on the WL was 0.85 compared to 0.80 for current MELD score.Refractory ascites and hepatorenal syndrome should add valuable points to the current MELD in order to better prioritize for LT patients included on long WL.Liver transplantation (LT), Model for End-Stage Liver Disease (MELD), waiting list (WL), United Network for Organ Sharing (UNOS), standard deviation (SD), receiver operating characteristic (ROC), hepatitis B virus (HBV), hepatocellular carcinoma (HCC), positive predictive value (PPV), negative predictive value (NPV), Child-Turcotte-Pugh (CTP), hepatic venous pressure gradient (HVPG).
- Published
- 2009
9. Stem cells therapies for gastrointestinal and liver diseases
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R, Iacob, P, Sîrbu-Boeţi, S, Iacob, S, Dima, C, Gheorghe, L, Gheorghe, and I, Popescu
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Celiac Disease ,Evidence-Based Medicine ,Transplantation Conditioning ,Treatment Outcome ,Gastrointestinal Diseases ,Liver Diseases ,Hematopoietic Stem Cell Transplantation ,Animals ,Humans ,Inflammatory Bowel Diseases ,Transplantation, Autologous - Abstract
Stem cells therapies represent a new field of biomedical science which could provide in the future the cure for diseases until now incurable. The present paper reviews current knowledge on key biological properties of stem cells with focus on hepatic and gastrointestinal stem cells and current applications of stem cells therapies in gastrointestinal and liver diseases. Potential clinical applications for stem cells therapies have been suggested from animal model trials in acute liver failure, inherited metabolic liver disease and endstage liver disease (cirrhosis). Hematopoietic autologous stem cells transplantation has already been successfully performed in patients with severe inflammatory bowel disease or patients with refractory celiac disease with aberrant T cells. Future stem cells therapies for gastrointestinal postoperative or Crohn's disease fistulas are currently under investigation. More research is needed for perfecting stem cells harvesting protocols from different sources, in vitro expansion and differentiation protocols which can be used in phase II and III clinical trials.
- Published
- 2009
10. Confocal laser endomicroscopy and ultrasound endoscopy during the same endoscopic session for diagnosis and staging of gastric neoplastic lesions
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C, Gheorghe, R, Iacob, Mona, Dumbrava, G, Becheanu, and M, Ionescu
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Adult ,Aged, 80 and over ,Male ,Microscopy, Confocal ,Biopsy ,Reproducibility of Results ,Pilot Projects ,Middle Aged ,Sensitivity and Specificity ,Endosonography ,Diagnosis, Differential ,Gastric Mucosa ,Stomach Neoplasms ,Humans ,Female ,Aged ,Neoplasm Staging - Abstract
Confocal LASER endomicroscopy (CLE) is a newly developed endoscopic technique which allows subsurface in vivo histological assessment during ongoing endoscopy and targeted biopsies. Ultrasound endoscopy (EUS) is a useful tool in staging upper GI malignant lesions. We describe for the first time the use of both techniques during the same endoscopic session, in a pilot study, in order to increase the diagnostic yield of histological assessment and provide the staging of the gastric neoplastic lesions thus decreasing the time to therapeutic decision.CLE has been performed with the Pentax EG-3870CIK confocal endomicroscope after a 5 ml intravenous 10% fluorescein injection; EUS has been performed subsequently, during the same endoscopic Propofol sedation session, using a standard radial EUS-scope.Eleven patients have been investigated, 4 females, 7 males, mean age 59.7 +/- 12.3 years. The indication of CLE/EUS exploration was the presence of a gastric polypoid lesion in 37% of cases, atypical gastric ulcer in 27% of patients, gastric lymphoma 18%, suspicion of gastric cancer recurrence after resection 9% and infiltrating type gastric cancer 9%. Histological assessment after targeted biopsy has established the diagnosis of gastric adenocarcinoma in 55% of cases, gastric lymphoma in 18% of cases, gastric adenoma, gastric GIST and gastric foveolar hyperplasia in 9% of cases respectively. CLE has allowed targeted biopsies in 81.8% of cases. In 2 patients - one case with suspected recurrent gastric cancer after surgery and one case of gastric lymphoma, CLE has indicated normal gastric mucosa. The EUS evaluation has shown TO lesion in two cases, T1 in 3 cases, T2 in 3 cases, T3 in one case. The EUS evaluation showed in one gastric lymphoma patient a lesion interesting the mucosa and submucosa with regional adenopathy and a submucosal lesion with regional adenopathy in the other gastric lymphoma case. The therapeutic decision was surgery in 73% of cases, chemotherapy and follow-up in 18% of cases and follow-up in 9% of cases. No complications were registered during the CLE/EUS explorations.CLE and EUS can be successfully associated during the same endoscopic session, for upper GI neoplastic lesions allowing targeted biopsies for histological assessment and disease staging for optimal therapeutic decision.
- Published
- 2009
11. Ampullary bleeding diagnosed using CCD high resolution and real time viewer capsule endoscope system
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C, Gheorghe, R, Iacob, I, Bancila, V, Herlea, and D, Hrehoret
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Adenoma ,Male ,Ampulla of Vater ,Capsule Endoscopes ,Common Bile Duct Neoplasms ,Humans ,Gastrointestinal Hemorrhage ,Aged - Published
- 2007
12. Inflammatory bowel disease genotypes and phenotypes
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R. Iacob, G. V. Massouille, and J. -F. Colombel
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- 2007
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13. Pharmacogenetics of azathioprine — useful in clinical practice?
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R. Iacob and J. -F. Colombel
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- 2007
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14. Successful induction of tolerance to infliximab in patients with Crohn's disease and prior severe infusion reactions
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Antoine Cortot, Mimouna Seddik, Benoit Wallaert, C. Duburque, R. Iacob, C. Fournier, J. Lelong, Jean-Frederic Colombel, and Pierre Desreumaux
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Adult ,Hypersensitivity, Immediate ,Male ,medicine.medical_specialty ,Anti-Inflammatory Agents ,Drug Administration Schedule ,Immune tolerance ,Drug Hypersensitivity ,Clinical Protocols ,Crohn Disease ,Gastrointestinal Agents ,medicine ,Humans ,Pharmacology (medical) ,In patient ,Infusions, Intravenous ,Crohn's disease ,Hepatology ,business.industry ,Gastroenterology ,Complete remission ,Antibodies, Monoclonal ,Middle Aged ,medicine.disease ,Infliximab ,Surgery ,Treatment Outcome ,Delayed hypersensitivity ,Significant response ,Female ,business ,Perfusion ,medicine.drug - Abstract
Summary Aim To appraise the tolerance and efficacy of an induction of tolerance protocol to infliximab permitting the re-administration of the drug to patients with Crohn's disease having had infusion reactions requiring suspension of treatment. Methods Fourteen patients were included in the induction of tolerance protocol. Each infusion of infliximab (5 mg/kg) was divided into 11 escalating 15 min increments over a 3-h time period. The induction of tolerance procedure was repeated for subsequent infusions. Results Ten patients (71.4%) received all the three infusions for the induction treatment. Nine (64.3%) had a significant response and six (48.8%) still benefited from infliximab infusions. Seven patients (50%) achieved a complete remission, after a mean of 2.5 (two to three) infusions. Four patients (28.6%) had no response and the protocol was stopped. Three patients (21.4%) experienced mild immediate hypersensitivity reactions, which were controlled, two patients (14.2%) experienced severe immediate hypersensitivity reactions, leading to interruption of the treatment and one patient developed a delayed hypersensitivity reaction. Conclusion Our induction of tolerance protocol allows some patients who have experienced severe or repetitive infusion reactions to infliximab to be safely retreated with the drug in a hospitalized setting, with a clinical response achieved in a majority of these patients.
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- 2006
15. GIANT DOUBLE ILEAL DUPLICATION CYST - A CASE REPORT.
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I. A., Dumitru, M. C., Popoiu, Simona, Cerbu, E. R., Iacob, B., Ciornei, Rodica, Heredea, and E. S., Boia
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DIGESTIVE system diseases ,CYSTS (Pathology) ,DISEASE incidence - Abstract
Alimentary tract duplication cysts are malformations that occur during the embryologic development of the organs that form the digestive system. These malformations can appear at any level of the alimentary tract. The incidence at which these malformations occur is estimated at 1 every 4500 newborns. We present a case of a new-born suffering from intestinal duplication, with two ileal duplication cysts, a giant tubular shaped one and a spherical one. Although the vast majority of intestinal duplications develop in the small intestine, they are solitary and small. Multiple intestinal duplications in the same patient are a rarity, as well as the giant ones. [ABSTRACT FROM AUTHOR]
- Published
- 2017
16. ASYMPTOMATIC LARGE MESENTERIC LYMPHANGIOMA CYST.
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V. A., Zembrod, I. A., Dumitru, V. L., David, and E. R., Iacob
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LYMPHANGIOMAS ,ABDOMEN ,ALIMENTARY canal ,SURGICAL robots ,OVARIAN cysts ,ABDOMINAL tumors - Abstract
A mesenteric cyst is a cystic mass that appear on the gastrointestinal tract in the mesentery. It is a rare condition and was described for the first time in 1507. Most patients presents with a mass that occur progressively in the middle abdomen and mild abdominal pain. Many of this conditions are misdiagnosed preoperatively, like ovarian cyst, appendicitis, diverticulitis or alimentary tract duplication cysts due to lack of specific symptomatology. Whenever a cystic mass in the abdominal cavity is present, especially asymptomatic, a mesenteric cyst must be considered as well. We report a case of a child that presented in our clinic for mild abdominal distention without any other symptoms. Ultrasound and CT scan revealed a large abdominal cystic tumor occupying most of hypogastric space. It was misdiagnosed preoperatively as a possible ovarian cyst. Anyhow this patient was operated by robotic assisted surgery and definitive diagnostic was made - a mesenteric cystic lymphangioma. [ABSTRACT FROM AUTHOR]
- Published
- 2018
17. PP366 PREVALENCE OF MALNUTRITION IN PATIENTS REFERRED TO TERTIARY GASTROENTEROLOGY ASSISTANCE IN ROMANIA: A MULTICENTRIC STUDY
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C. Gheroghe, Adrian Saftoiu, I. Bancila, Daniela Dobru, R. Iacob, M. Tantau, E. Miutescu, O. Pascu, L.S. Gheorghe, Roxana Vadan, Speranta Iacob, A. Goldis, A. Fraticiu, Mircea Diculescu, and Eugen Dumitru
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Malnutrition ,Pediatrics ,medicine.medical_specialty ,Nutrition and Dietetics ,business.industry ,medicine ,Medicine (miscellaneous) ,In patient ,Critical Care and Intensive Care Medicine ,medicine.disease ,business - Published
- 2010
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18. P291 ASCA AND ANCA SEROLOGY IN ROMANIAN IBD PATIENTS
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C. Baceanu, C. Gheorghe, C. Preda, Mircea Diculescu, Ileana Constantinescu, L.S. Gheorghe, Bogdan Cotruta, Speranta Iacob, Roxana Vadan, I. Parvulescu, A. Toader, and R. Iacob
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medicine.medical_specialty ,business.industry ,Internal medicine ,Romanian ,language ,Medicine ,business ,language.human_language ,Serology - Published
- 2008
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19. P181 IBDPROSPECT, THE ROMANIAN COMPUTERISED ON-LINE SYSTEM FOR PROSPECTIVE MONITORING OF INFLAMMATORY BOWEL DISEASE
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R. Iacob, Mircea Diculescu, and C. Gheorghe
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medicine.medical_specialty ,business.industry ,Internal medicine ,Medicine ,Line (text file) ,business ,medicine.disease ,Inflammatory bowel disease ,Gastroenterology - Published
- 2008
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20. PRELIMINARY STUDY ON THE USE OF INNOVATIVE DEVICES FOR STRENGTH BUILDING IN THE PERIOD OF RECOVERY FOLLOWING LUMBAR CONDITIONS.
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B. A., Hagiu, A., Oprean, A., Cojocariu, M. R., Iacob, and I., Apostol
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STRENGTH training ,LUMBAR pain ,ISOMETRIC exercise ,EXTENSOR muscles ,WEIGHT training - Abstract
Copyright of Sport & Society / Sport si Societate is the property of Altius Academy Foundation and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
- Published
- 2014
21. Spatial distribution of introduced brook trout Salvelinus fontinalis (Salmonidae) within alpine lakes: evidences from a fish eradication campaign
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R. Tiberti, L. Nelli, S. Brighenti, R. Iacobuzio, and M. Rolla
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Intensive gillnetting ,kernel density estimation ,Gran Paradiso National Park ,Bioaquae LIFE+ project ,Zoology ,QL1-991 - Abstract
Brook trout Salvelinus fontinalis have been used worldwide to stock fishless alpine lakes, negatively affecting native biota. Understanding its spatial ecology in invaded ecosystems can provide information to interpret and contrast its ecological impact. We opportunistically used capture points of brook trout gillnetted during an eradication campaign to assess the distribution patterns of four unexploited populations inhabiting high-altitude lakes. The main eradication method implies the use of many gillnets with several mesh sizes, which are selective for different fish sizes. For each lake we drew six capture maps associated with as many different mesh sizes, and we tested whether the distance from the coastline (which in alpine lakes is a reliable proxy of the most important spatial gradients, e.g. depth, temperature, prey availability, lighting conditions) influences the proportion of captured fish belonging to different size classes and the number of fish captured by the nets with different mesh sizes. To interpret the results, we also provide a cartographic description of the lakes’ bathymetry and littoral microhabitats. We found (1) a negative relationship between brook trout distribution and the distance from the coastline in all of the size classes, lakes and mesh sizes; (2) that large brook trout can thrive in the lakes’ center, while small ones are limited to the littoral areas; and (3) that the distance from the coastline alone cannot explain all the differences in the catch densities in different parts of the lakes. As in their native range, introduced brook trout populations also have littoral habits. Microhabitats, prey availability and distance from the spawning ground are other likely factors determining the distribution patterns of brook trout populations introduced in alpine lakes. The obtained results also provide useful information on how to plan new eradication campaigns.
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- 2017
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22. Risk Factor Analysis in Vascular Access Complications for Hemodialysis Patients.
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Roşu CD, Bolintineanu SL, Căpăstraru BF, Iacob R, Stoicescu ER, and Petrea CE
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Background: Chronic kidney disease (CKD) and renal failure remain critical global health challenges, with vascular access complications posing significant obstacles in hemodialysis management. Methods: This study investigates the early and late complications associated with vascular access procedures in a cohort of 1334 patients from Timiș County Emergency Clinical Hospital. Patients were categorized into early complications, occurring within 30 days postoperatively, and late complications, developing beyond this period. Demographic data, comorbidities, and lifestyle factors, including age, gender, body mass index (BMI), smoking status, hypertension, diabetes, and cardiovascular disease (CVD), were recorded and analyzed. Early complications included thrombosis, hemorrhage, edema, and non-maturation, while late complications involved thrombosis, aneurysmal dilation, venous hypertension, and infections. Results : Hemorrhage (32.3%) and thrombosis (30.8%) were the most prevalent early complications, influenced significantly by diabetes and hypertension. Non-maturation showed a strong association with diabetes and cardiovascular disease (odds ratio: 1.70). For late complications, thrombosis was most frequent, with hypertensive patients exhibiting increased risk (relative risk: 1.18). BMI was a significant factor in both early and late complications. Risk analysis using odds ratios and relative risks revealed distinct patterns of complication risks based on comorbidities and smoking status. Logistic regression modeling for thrombosis demonstrated moderate predictive accuracy (AUC: 0.64). Conclusions : These findings suggest that clinical interventions, such as stricter perioperative glycemic and blood pressure control, and personalized surgical strategies for patients with high BMI or comorbidities, could significantly reduce the incidence of vascular access complications and improve outcomes in this high-risk population.
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- 2025
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23. Unveiling Prevalence, Risk Factors, and Outcomes of Hepatitis D Among Vulnerable Communities in Romania.
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Gheorghe L, Iacob S, Csiki IE, Ghioca M, Iacob R, Constantinescu I, Chiper B, Huiban L, Muzica C, Girleanu I, Tiuca N, Diaconu S, Sandulescu DL, Rogoveanu I, Suceveanu AI, Furtunescu F, Pop C, and Trifan A
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- Humans, Romania epidemiology, Male, Female, Risk Factors, Prevalence, Adult, Middle Aged, Young Adult, Hepatitis Delta Virus, Hepatitis B epidemiology, Hepatitis B virology, Adolescent, Aged, Hepatitis B Surface Antigens blood, Hepatitis Antibodies blood, Rural Population, Hepatitis D epidemiology, Coinfection epidemiology, Coinfection virology, Vulnerable Populations
- Abstract
Background: Hepatitis B (HBV) and Delta (HDV) virus infections pose critical public health challenges, particularly in Romania, where HDV co-infection is underdiagnosed., Methods: This study investigates the epidemiology, risk factors, and clinical outcomes of HBV/HDV co-infection in vulnerable populations, leveraging data from the LIVE(RO2) program. Conducted between July 2021 and November 2023, the program screened 320,000 individuals across 24 counties, targeting socially disadvantaged groups such as rural residents, the Roma community, and those lacking health insurance., Results: Among 6813 hepatitis B surface antigen (HBsAg)-positive individuals, HDV antibody prevalence was 4.87%, with active replication confirmed in 75.6% of HDV-positive cases. Regional disparities emerged, with higher HDV prevalence and replication rates in the Eastern region compared to the South. HDV-positive individuals were more likely to be younger, male, and from rural or socioeconomically disadvantaged backgrounds. Clinically, HDV co-infection correlated with increased liver stiffness, advanced fibrosis stages, and lower steatosis levels compared to HBV mono-infection. Psychiatric comorbidities were more prevalent among HDV-positive patients, highlighting the need for integrated care., Conclusions: This study underscores the urgent need for targeted public health interventions, including enhanced screening, education, and access to novel antiviral therapies like bulevirtide to address the significant burden of HBV/HDV co-infection in Romania.
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- 2024
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24. Vitamin D Deficiency as a Risk Factor for Diabetic Retinopathy: A Systematic Review and Meta-Analysis.
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Petrea CE, Ghenciu LA, Iacob R, Stoicescu ER, and Săndesc D
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Diabetic retinopathy (DR), a significant microvascular complication of diabetes mellitus (DM), remains a major cause of vision loss worldwide. Vitamin D, recognized for its role in bone health, has also been implicated in various non-skeletal conditions, including DR. This systematic review analyzed data from 20 studies involving 22,408 participants to explore the relationship between vitamin D levels and DR. Studies were included based on strict eligibility criteria, ensuring they could distinctly classify participants into DR and non-DR groups and provide quantitative measurements of vitamin D levels. Of these, nine studies were included in the meta-analysis. The pooled analysis revealed a significant association between lower vitamin D levels and increased odds of DR, with a combined odds ratio (OR) of 1.15 (95% CI: 1.10-1.20) under the fixed-effects model and 1.17 (95% CI: 1.08-1.27) under the random-effects model. Mean serum vitamin D levels were lower in individuals with DR (18.11 ± 5.35 ng/mL) compared to those without DR (19.71 ± 7.44 ng/mL), with a progressive decline observed across DR severity stages. Subgroup analyses showed significantly lower levels of vitamin D in proliferative DR compared to non-proliferative stages. Heterogeneity (I
2 = 89%) was noted, most probably due to geographic differences, varying methodologies for vitamin D measurement, and DR classification approaches. Secondary analyses indicated that vitamin D deficiency prevalence ranged from 27% to 95% in DR populations, highlighting its potential role in disease progression. This review highlights the need for longitudinal studies to better understand the causal relationship. The findings also call attention to a critical gap in the literature regarding the therapeutic role of vitamin D supplementation in preventing and managing DR. Addressing vitamin D deficiency as a modifiable risk factor in DM care may offer new avenues for reducing the burden of DR., Competing Interests: The authors declare no conflicts of interest.- Published
- 2024
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25. CT-Guided Transthoracic Core-Needle Biopsy of Pulmonary Nodules: Current Practices, Efficacy, and Safety Considerations.
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Constantinescu A, Stoicescu ER, Iacob R, Chira CA, Cocolea DM, Nicola AC, Mladin R, Oancea C, and Manolescu D
- Abstract
CT-guided transthoracic core-needle biopsy (CT-TTNB) is a minimally invasive procedure that plays a crucial role in diagnosing pulmonary nodules. With high diagnostic yield and low complication rates, CT-TTNB is favored over traditional surgical biopsies, providing accuracy in detecting both malignant and benign conditions. This literature review aims to present a comprehensive overview of CT-TTNB, focusing on its indications, procedural techniques, diagnostic yield, and safety considerations. Studies published between 2013 and 2024 were systematically reviewed from PubMed, Web of Science, Scopus, and Cochrane Library using the SANRA methodology. The results highlight that CT-TTNB has a diagnostic yield of 85-95% and sensitivity rates for detecting malignancies between 92 and 97%. Several factors, including nodule size, lesion depth, needle passes, and imaging techniques, influence diagnostic success. Complications such as pneumothorax and pulmonary hemorrhage were noted, with incidence rates varying from 12 to 45% for pneumothorax and 4 to 27% for hemorrhage. Preventative strategies and management algorithms are essential for minimizing and addressing these risks. In conclusion, CT-TTNB remains a reliable and effective method for diagnosing pulmonary nodules, particularly in peripheral lung lesions. Advancements such as PET/CT fusion imaging, AI-assisted biopsy planning, and robotic systems further enhance precision and safety. This review emphasizes the importance of careful patient selection and procedural planning to maximize outcomes while minimizing risks, ensuring that CT-TTNB continues to be an indispensable tool in pulmonary diagnostics.
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- 2024
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26. CMV Retinitis in the Context of SARS-CoV-2 Infection: A Case Study and Comprehensive Review of Viral Interactions.
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Stoicescu ER, Ghenciu LA, Iacob R, Ardelean AI, Dăescu E, Hațegan OA, Manolescu D, Tudorache E, Boru C, and Dima M
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Purpose: Cytomegalovirus (CMV) retinitis is a sight-threatening condition predominantly affecting immunocompromised individuals, such as those with Human Immunodeficiency Virus (HIV)/Acquired Immunodeficiency Syndrome (AIDS). We aimed to present an observational case report on CMV retinitis following Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) infection and to review the literature on the molecular and cellular changes in CMV and SARS-CoV-2 infections and how they may influence each other. Case Description: A 32-year-old man with a history of AIDS presented with decreased vision and ocular pain exacerbated by movement, beginning a day prior. Ocular examination revealed anterior uveitis, corneal endothelial edema, and retinal necrosis in the left eye. CMV retinitis was diagnosed based on positive serologic testing and a low cluster of differentiation 4 (CD4) count, with concurrent SARS-CoV-2 infection detected. Treatment included valganciclovir and topical agents, with a focus on managing CMV complications. This case highlights the potential role of SARS-CoV-2 in reactivating dormant CMV in severely immunocompromised individuals. We also discuss the implications of this interaction for immunocompromised patients, emphasizing the need for vigilant monitoring and personalized treatment strategies. Conclusions: Our case suggests that SARS-CoV-2 may trigger reactivation of CMV infection, leading to bilateral involvement in patients with low CD4 lymphocyte counts, which can result in severe visual impairment. The review discusses the molecular and cellular interactions between CMV and SARS-CoV-2, as well as risk factors, pathophysiology, and diagnostic methods for CMV retinitis, providing recommendations based on the literature findings.
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- 2024
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27. The Diagnostic Value of bpMRI in Prostate Cancer: Benefits and Limitations Compared to mpMRI.
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Iacob R, Manolescu D, Stoicescu ER, Cerbu S, Bardan R, Ghenciu LA, and Cumpănaș A
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Prostate cancer is the second most common cancer in men and a leading cause of death worldwide. Early detection is vital, as it often presents with vague symptoms such as nocturia and poor urinary stream. Diagnostic tools like PSA tests, ultrasound, PET-CT, and mpMRI are essential for prostate cancer management. The PI-RADS system helps assess malignancy risk based on imaging. While mpMRI, which includes T1, T2, DWI, and dynamic contrast-enhanced imaging (DCE), is the standard, bpMRI offers a contrast-free alternative using only T2 and DWI. This reduces costs, acquisition time, and the risk of contrast-related side effects but has limitations in detecting higher-risk PI-RADS 3 and 4 lesions. This study compared bpMRI's diagnostic accuracy to mpMRI, focusing on prostate volume and PI-RADS scoring. Both methods showed strong inter-rater agreement for prostate volume (ICC 0.9963), confirming bpMRI's reliability in this aspect. However, mpMRI detected more complex conditions, such as periprostatic fat infiltration and iliac lymphadenopathy, which bpMRI missed. While bpMRI offers advantages like reduced cost and no contrast use, it is less effective for higher-risk lesions, making mpMRI more comprehensive.
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- 2024
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28. Cardiovascular Risk Factors as Independent Predictors of Diabetic Retinopathy in Type II Diabetes Mellitus: The Development of a Predictive Model.
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Roşu CD, Bratu ML, Stoicescu ER, Iacob R, Hațegan OA, Ghenciu LA, and Bolintineanu SL
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- Humans, Male, Female, Middle Aged, Cross-Sectional Studies, Retrospective Studies, Aged, Heart Disease Risk Factors, Risk Factors, Logistic Models, Cardiovascular Diseases etiology, Body Mass Index, ROC Curve, Diabetes Mellitus, Type 2 complications, Diabetic Retinopathy epidemiology, Diabetic Retinopathy etiology
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Background : Diabetic retinopathy (DR) is a leading cause of blindness in patients with type 2 diabetes mellitus (T2DM). Cardiovascular risk factors, such as hypertension, obesity, and dyslipidemia, may play a crucial role in the development and progression of DR, though the evidence remains mixed. This study aimed to assess cardiovascular risk factors as independent predictors of DR and to develop a predictive model for DR progression in T2DM patients. Methods : A retrospective cross-sectional study was conducted on 377 patients with T2DM who underwent a comprehensive eye exam. Clinical data, including blood pressure, lipid profile, BMI, and smoking status, were collected. DR staging was determined through fundus photography and classified as No DR, Non-Proliferative DR (NPDR), and Mild, Moderate, Severe, or Proliferative DR (PDR). A Multivariate Logistic Regression was used to evaluate the association between cardiovascular risk factors and DR presence. Several machine learning models, including Random Forest, XGBoost, and Support Vector Machines, were applied to assess the predictive value of cardiovascular risk factors and identify key predictors. Model performance was evaluated using accuracy, precision, recall, and ROC-AUC. Results : The prevalence of DR in the cohort was 41.6%, with 34.5% having NPDR and 7.1% having PDR. A multivariate analysis identified systolic blood pressure (SBP), LDL cholesterol, and body mass index (BMI) as independent predictors of DR progression ( p < 0.05). The Random Forest model showed a moderate predictive ability, with an AUC of 0.62 for distinguishing between the presence and absence of DR XGBoost showing a better performance, featuring a ROC-AUC of 0.68, while SBP, HDL cholesterol, and BMI were consistently identified as the most important predictors across models. After tuning, the XGBoost model showed a notable improvement, with an ROC-AUC of 0.72. Conclusions : Cardiovascular risk factors, particularly BP and BMI, play a significant role in the progression of DR in patients with T2DM. The predictive models, especially XGBoost, showed moderate accuracy in identifying DR stages, suggesting that integrating these risk factors into clinical practice may improve early detection and intervention strategies for DR.
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- 2024
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29. Retinal Imaging-Based Oculomics: Artificial Intelligence as a Tool in the Diagnosis of Cardiovascular and Metabolic Diseases.
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Ghenciu LA, Dima M, Stoicescu ER, Iacob R, Boru C, and Hațegan OA
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Cardiovascular diseases (CVDs) are a major cause of mortality globally, emphasizing the need for early detection and effective risk assessment to improve patient outcomes. Advances in oculomics, which utilize the relationship between retinal microvascular changes and systemic vascular health, offer a promising non-invasive approach to assessing CVD risk. Retinal fundus imaging and optical coherence tomography/angiography (OCT/OCTA) provides critical information for early diagnosis, with retinal vascular parameters such as vessel caliber, tortuosity, and branching patterns identified as key biomarkers. Given the large volume of data generated during routine eye exams, there is a growing need for automated tools to aid in diagnosis and risk prediction. The study demonstrates that AI-driven analysis of retinal images can accurately predict cardiovascular risk factors, cardiovascular events, and metabolic diseases, surpassing traditional diagnostic methods in some cases. These models achieved area under the curve (AUC) values ranging from 0.71 to 0.87, sensitivity between 71% and 89%, and specificity between 40% and 70%, surpassing traditional diagnostic methods in some cases. This approach highlights the potential of retinal imaging as a key component in personalized medicine, enabling more precise risk assessment and earlier intervention. It not only aids in detecting vascular abnormalities that may precede cardiovascular events but also offers a scalable, non-invasive, and cost-effective solution for widespread screening. However, the article also emphasizes the need for further research to standardize imaging protocols and validate the clinical utility of these biomarkers across different populations. By integrating oculomics into routine clinical practice, healthcare providers could significantly enhance early detection and management of systemic diseases, ultimately improving patient outcomes. Fundus image analysis thus represents a valuable tool in the future of precision medicine and cardiovascular health management.
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- 2024
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30. Clinical and Morphological Aspects of Aggressive Salivary Gland Mixed Tumors: A Narrative Review.
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Faur AC, Șișu AM, Ghenciu LA, Iacob R, Stoicescu ER, Hațegan OA, and Cornianu M
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Salivary gland tumors are a rare and heterogeneous group of neoplasms of the head and neck region. The mixed category of these tumors include the following entities: pleomorphic adenoma (PA), carcinoma ex pleomorphic adenoma (CEPA), salivary carcinosarcoma (CS), and metastasizing PA (MPA). The most common benign tumor of the salivary glands is PA. Metastasis and malignant degeneration have been reported in cases of PA of a salivary gland origin. Judging by their behavior, MPA, CEPA, and CS can be considered aggressive tumors. Invasive CEPA has been identified in the parotid gland more frequently. MPA and CS cases reported in the current literature are rare. In this paper, we present, narratively, the clinico-morphological features of this group of mixed tumors.
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- 2024
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31. Thyroid Eye Disease and Glaucoma: A Cross-Sectional Study Comparing Clinical Characteristics and Disease Severity.
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Ghenciu LA, Șișu AM, Stoicescu ER, Dănilă AI, Iacob R, Săndesc MA, and Hațegan OA
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- Humans, Male, Female, Cross-Sectional Studies, Middle Aged, Aged, Adult, Disease Progression, Tomography, Optical Coherence methods, Severity of Illness Index, Graves Ophthalmopathy diagnosis, Graves Ophthalmopathy physiopathology, Graves Ophthalmopathy complications, Intraocular Pressure physiology, Glaucoma, Open-Angle physiopathology, Glaucoma, Open-Angle diagnosis
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Background and Objectives : This study investigates the relationship between thyroid eye disease (TED) and open-angle glaucoma (OAG), focusing on disease severity and clinical features. Materials and Methods : Conducted at the Timis County Emergency Clinical Hospital, the research included 106 patients, with 53 having both conditions and 53 having only OAG. Key metrics analyzed included intraocular pressure (IOP) using a Goldmann applanation tonometer, the retinal nerve fiber layer (RNFL) thickness, and optic nerve head (ONH) characteristics evaluated using optical coherence tomography (OCT). Results : Results indicated that patients with both TED and OAG experienced a 6.09% reduction in RNFL thickness and showed more rapid disease progression, with 48.35% having active TED. The mean IOP in TED patients was 27.5 ± 4.9 mmHg, which was similar to those with only OAG. Demographic factors, including age and gender, influenced the clinical course and disease severity. Conclusions : These findings underscore the importance of specialized monitoring and treatment strategies for patients with coexisting TED and OAG to prevent vision loss.
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- 2024
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32. Hepatitis B Prevalence and Referral Rates in Vulnerable Populations Undergoing Community-Based Screening-Results from the LIVE(RO)2 Program.
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Iacob S, Csiki I, Iacob R, Ghioca M, Constantinescu I, Chiper B, Huiban L, Muzica C, Girleanu I, Tiuca N, Diaconu S, Sandulescu L, Rogoveanu I, Furtunescu F, Pop C, Trifan A, and Gheorghe L
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- Humans, Middle Aged, Male, Female, Adult, Prevalence, Risk Factors, Romania epidemiology, Aged, Hepatitis B, Chronic epidemiology, Young Adult, Referral and Consultation, Hepatitis B virus immunology, Hepatitis B virus isolation & purification, Surveys and Questionnaires, Adolescent, Vulnerable Populations, Mass Screening, Hepatitis B epidemiology
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Background: Hepatitis B Virus (HBV) remains a major global health challenge, with significant morbidity and mortality associated with chronic infections. Methods: This study examines the epidemiology, screening, and risk factors associated with HBV in Romania, focusing on a comprehensive national screening program, LIVE(RO)2, involving 320,000 individuals (majority of them considered vulnerable population). A questionnaire was used to collect information on the potential risk factors for HBV transmission. Results: The overall prevalence rate of HBV chronic infection among all the participants tested was 1.67% (confidence interval: 1.63-1.72%), with significant differences ( p = 0.0001) between participants from the main geographical regions of residence (North-East 1.89%, South 1.38%, South-East 2.06%, and South-West 1.54%). Male persons aged 30-49 or 60-69 years old, from the rural and Eastern parts of Romania and non-Romanian ethnia, with a low level of education, unvaccinated, not married, unemployed, with family members with hepatitis, with personal histories of blood or blood product transfusion, surgical interventions, tattooing, hospitalizations, imprisonment, haemodialysis, unsafe sexual contacts, or with sexual transmitted infectious diseases were risk factors associated with HBsAg seropositivity. Conclusions: Our findings highlight significant demographic and epidemiological patterns of reduced HBV prevalence even in vulnerable persons, as well as modified risk factors and the impact of socio-economic factors.
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- 2024
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33. Emerging Therapeutic Approaches and Genetic Insights in Stargardt Disease: A Comprehensive Review.
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Ghenciu LA, Hațegan OA, Stoicescu ER, Iacob R, and Șișu AM
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- Humans, Mutation, Stem Cell Transplantation methods, Animals, Macular Degeneration therapy, Macular Degeneration genetics, Macular Degeneration congenital, Retinal Pigment Epithelium metabolism, CRISPR-Cas Systems, Stargardt Disease genetics, Genetic Therapy methods, ATP-Binding Cassette Transporters genetics
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Stargardt disease, one of the most common forms of inherited retinal diseases, affects individuals worldwide. The primary cause is mutations in the ABCA4 gene, leading to the accumulation of toxic byproducts in the retinal pigment epithelium (RPE) and subsequent photoreceptor cell degeneration. Over the past few years, research on Stargardt disease has advanced significantly, focusing on clinical and molecular genetics. Recent studies have explored various innovative therapeutic approaches, including gene therapy, stem cell therapy, and pharmacological interventions. Gene therapy has shown promise, particularly with adeno-associated viral (AAV) vectors capable of delivering the ABCA4 gene to retinal cells. However, challenges remain due to the gene's large size. Stem cell therapy aims to replace degenerated RPE and photoreceptor cells, with several clinical trials demonstrating safety and preliminary efficacy. Pharmacological approaches focus on reducing toxic byproduct accumulation and modulating the visual cycle. Precision medicine, targeting specific genetic mutations and pathways, is becoming increasingly important. Novel techniques such as clustered regularly interspaced palindromic repeats (CRISPR)/Cas9 offer potential for directly correcting genetic defects. This review aims to synthesize recent advancements in understanding and treating Stargardt disease. By highlighting breakthroughs in genetic therapies, stem cell treatments, and novel pharmacological strategies, it provides a comprehensive overview of emerging therapeutic options.
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- 2024
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34. Human Ocular Toxoplasmosis in Romania: History, Epidemiology, and Public Health: A Narrative Review.
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Ghenciu LA, Hațegan OA, Bolintineanu SL, Dănilă AI, Iacob R, Stoicescu ER, Lupu MA, and Olariu TR
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Toxoplasmosis, caused by the protozoan parasite Toxoplasma gondii ( T. gondii ), presents a significant global health concern, particularly for immunocompromised individuals and congenitally infected newborns. Despite its widespread prevalence, there are limited data on T. gondii seroprevalence and ocular toxoplasmosis in Romania. This review aims to summarize the research accomplished on the prevalence and epidemiology of human ocular toxoplasmosis in Romania. Ocular toxoplasmosis, a leading cause of infectious posterior uveitis worldwide, involves complex interactions between host immune responses and parasite factors. Clinically, it presents as focal necrotizing retinitis, characterized by active focal retinal lesions with adjacent chorioretinal scarring, often accompanied by vitreous inflammation and anterior chamber reactions. Diagnosis relies on clinical examination supported by fundus photography, optical coherence tomography (OCT), and serological assays. The authors followed the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) standards, conducting a literature review on PubMed, Google Scholar, and Scopus. Our focus was on ocular toxoplasmosis in Romania, and we used keywords and specific MeSH terms. Finally, 17 articles met all the criteria, as summarized in the PRISMA diagram. This study underscores the need for improved diagnostic methods, increased research efforts, and comprehensive public health education to mitigate the burden of toxoplasmosis and ocular toxoplasmosis in Romania.
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- 2024
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35. Immune-Mediated Ocular Surface Disease in Diabetes Mellitus-Clinical Perspectives and Treatment: A Narrative Review.
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Ghenciu LA, Hațegan OA, Bolintineanu SL, Dănilă AI, Faur AC, Prodan-Bărbulescu C, Stoicescu ER, Iacob R, and Șișu AM
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Diabetes mellitus (DM) is a chronic metabolic disorder marked by hyperglycemia due to defects in insulin secretion, action, or both, with a global prevalence that has tripled in recent decades. This condition poses significant public health challenges, affecting individuals, healthcare systems, and economies worldwide. Among its numerous complications, ocular surface disease (OSD) is a significant concern, yet understanding its pathophysiology, diagnosis, and management remains challenging. This review aims to explore the epidemiology, pathophysiology, clinical manifestations, diagnostic approaches, and management strategies of diabetes-related OSD. The ocular surface, including the cornea, conjunctiva, and associated structures, is vital for maintaining eye health, with the lacrimal functional unit (LFU) playing a crucial role in tear film regulation. In DM, changes in glycosaminoglycan metabolism, collagen synthesis, oxygen consumption, and LFU dysfunction contribute to ocular complications. Persistent hyperglycemia leads to the expression of cytokines, chemokines, and cell adhesion molecules, resulting in neuropathy, tear film abnormalities, and epithelial lesions. Recent advances in molecular research and therapeutic modalities, such as gene and stem cell therapies, show promise for managing diabetic ocular complications. Future research should focus on pathogenetically oriented therapies for diabetic neuropathy and keratopathy, transitioning from animal models to clinical trials to improve patient outcomes.
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- 2024
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36. Evaluation of the Therapeutical Effect of Matricaria Chamomilla Extract vs. Galantamine on Animal Model Memory and Behavior Using 18F-FDG PET/MRI.
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Iacob R, Palimariciuc M, Florea T, Pricope CV, Uritu CM, Tamba BI, Ionescu TM, Stolniceanu CR, Jalloul W, Dobrin RP, Hritcu L, Cioanca O, Hancianu M, Naum AG, and Stefanescu C
- Abstract
The memory-enhancing activity of Matricaria chamomilla hydroalcoholic extract (MCE) is already being investigated by behavioral and biochemical assays in scopolamine-induced amnesia rat models, while the effects of scopolamine (Sco) on cerebral glucose metabolism are examined as well. Nevertheless, the study of the metabolic profile determined by an enriched MCE has not been performed before. The present experiments compared metabolic quantification in characteristic cerebral regions and behavioral characteristics for normal, only diseased, diseased, and MCE- vs. Galantamine (Gal)-treated Wistar rats. A memory deficit was induced by four weeks of daily intraperitoneal Sco injection. Starting on the eighth day, the treatment was intraperitoneally administered 30 min after Sco injection for a period of three weeks. The memory assessment comprised three maze tests. Glucose metabolism was quantified after the 18F-FDG PET examination. The right amygdala, piriform, and entorhinal cortex showed the highest differential radiopharmaceutical uptake of the 50 regions analyzed. Rats treated with MCE show metabolic similarity with normal rats, while the Gal-treated group shows features closer to the diseased group. Behavioral assessments evidenced a less anxious status and a better locomotor activity manifested by the MCE-treated group compared to the Gal-treated group. These findings prove evident metabolic ameliorative qualities of MCE over Gal classic treatment, suggesting that the extract could be a potent neuropharmacological agent against amnesia.
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- 2024
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37. Kidney Function Tests and Continuous eGFR Decrease at Six Months after SARS-CoV-2 Infection in Patients Clinically Diagnosed with Post-COVID Syndrome.
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Boruga M, Septimiu-Radu S, Nandarge PS, Elagez A, Doros G, Lazureanu VE, Stoicescu ER, Tanase E, Iacob R, Dumitrescu A, Bota AV, Cotoraci C, and Bratu ML
- Abstract
The long-term sequelae of SARS-CoV-2 infection are still under research, since extensive studies showed plenty of systemic effects of the viral infection, extending even after the acute phase of the infection. This study evaluated kidney function tests six months after SARS-CoV-2 infection in patients clinically diagnosed with Post-COVID Syndrome, hypothesizing persistent renal dysfunction evidenced by altered kidney function tests compared to baseline levels. Continuous eGFR decrease <30 at six months post-infection was considered the main study outcome. Conducted at the "Victor Babes" Hospital, this retrospective observational study involved adults with laboratory-confirmed SARS-CoV-2 infection and clinically-diagnosed Post-COVID Syndrome, excluding those with prior chronic kidney disease or significant renal impairment. Kidney function tests, including serum creatinine, blood urea nitrogen (BUN), estimated glomerular filtration rate (eGFR), alongside markers of kidney damage such as proteinuria and hematuria, were analyzed. Among 206 participants, significant differences were observed between the control ( n = 114) and the Post-COVID group ( n = 92). The Post-COVID group exhibited higher serum creatinine (109.7 μmol/L vs. 84.5 μmol/L, p < 0.001), lower eGFR (65.3mL/min/1.73 m
2 vs. 91.2 mL/min/1.73 m2 , p < 0.001), and elevated BUN levels (23.7 mg/dL vs. 15.2 mg/dL, p < 0.001) compared to the control group. Regression analysis highlighted significant predictors of continuous eGFR decrease <30 at six months post-infection. The development of acute kidney injury (AKI) during the initial COVID-19 illness emerged as a strong predictor of reduced eGFR (β = 3.47, p < 0.001). Additional factors, including a creatinine increase (23 μmol/L above the normal range) and an elevated Albumin to Creatinine Ratio (ACR) (>11 mg/g above the normal range), were significantly associated with eGFR reduction. Patients with Post-COVID Syndrome demonstrate significant renal impairment six months post-SARS-CoV-2 infection. The study's findings stress the need for ongoing monitoring and intervention strategies for renal health in affected individuals, underscoring the persistent impact of COVID-19 on renal function., Competing Interests: The authors declare no conflict of interest.- Published
- 2024
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38. Aldose Reductase as a Key Target in the Prevention and Treatment of Diabetic Retinopathy: A Comprehensive Review.
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Dănilă AI, Ghenciu LA, Stoicescu ER, Bolintineanu SL, Iacob R, Săndesc MA, and Faur AC
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The escalating global prevalence of diabetes mellitus (DM) over the past two decades has led to a persistent high incidence of diabetic retinopathy (DR), necessitating screening for early symptoms and proper treatment. Effective management of DR aims to decrease vision impairment by controlling modifiable risk factors including hypertension, obesity, and dyslipidemia. Moreover, systemic medications and plant-based therapy show promise in advancing DR treatment. One of the key mechanisms related to DR pathogenesis is the polyol pathway, through which aldose reductase (AR) catalyzes the conversion of glucose to sorbitol within various tissues, including the retina, lens, ciliary body and iris. Elevated glucose levels activate AR, leading to osmotic stress, advanced glycation end-product formation, and oxidative damage. This further implies chronic inflammation, vascular permeability, and angiogenesis. Our comprehensive narrative review describes the therapeutic potential of aldose reductase inhibitors in treating DR, where both synthetic and natural inhibitors have been studied in recent decades. Our synthesis aims to guide future research and clinical interventions in DR management.
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- 2024
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39. Evaluating the Role of Breast Ultrasound in Early Detection of Breast Cancer in Low- and Middle-Income Countries: A Comprehensive Narrative Review.
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Iacob R, Iacob ER, Stoicescu ER, Ghenciu DM, Cocolea DM, Constantinescu A, Ghenciu LA, and Manolescu DL
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Breast cancer, affecting both genders, but mostly females, exhibits shifting demographic patterns, with an increasing incidence in younger age groups. Early identification through mammography, clinical examinations, and breast self-exams enhances treatment efficacy, but challenges persist in low- and medium-income countries due to limited imaging resources. This review assesses the feasibility of employing breast ultrasound as the primary breast cancer screening method, particularly in resource-constrained regions. Following the PRISMA guidelines, this study examines 52 publications from the last five years. Breast ultrasound, distinct from mammography, offers advantages like radiation-free imaging, suitability for repeated screenings, and preference for younger populations. Real-time imaging and dense breast tissue evaluation enhance sensitivity, accessibility, and cost-effectiveness. However, limitations include reduced specificity, operator dependence, and challenges in detecting microcalcifications. Automatic breast ultrasound (ABUS) addresses some issues but faces constraints like potential inaccuracies and limited microcalcification detection. The analysis underscores the need for a comprehensive approach to breast cancer screening, emphasizing international collaboration and addressing limitations, especially in resource-constrained settings. Despite advancements, notably with ABUS, the primary goal is to contribute insights for optimizing breast cancer screening globally, improving outcomes, and mitigating the impact of this debilitating disease.
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- 2024
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40. Differentiating Viral from Bacterial Pneumonia in Children: The Diagnostic Role of Lung Ultrasound-A Prospective Observational Study.
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Stoicescu ER, Iacob R, Ilie AC, Iacob ER, Susa SR, Ghenciu LA, Constantinescu A, Cocolea DM, Oancea C, and Manolescu DL
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This prospective observational study aimed to investigate the utility of lung ultrasound (LUS) in diagnosing and managing pediatric respiratory infections, specifically focusing on viral, bacterial, and SARS-CoV-2 infections. Conducted over a period of 1 year and 8 months, this research involved 85 pediatric patients (showcasing a median age of 14 months) recruited based on specific criteria, including age, confirmed infection through multiplex PCR tests, and willingness to undergo LUS imaging. This study employed a 12-area scoring system for LUS examinations, utilizing the lung ultrasound score (LUSS) to evaluate lung abnormalities. The PCR examination results reveal diverse respiratory pathogens, with SARS-CoV-2, influenza, and bacterial co-infections being prominent among the cases. As an observational study, this study was not registered in the registry. Distinct LUS patterns associated with different pathogens were identified, showcasing the discriminatory potential of LUS in differentiating between viral and bacterial etiologies. Bacterial infections demonstrated more severe lung involvement, evident in significantly higher LUSS values compared with viral cases ( p < 0.0001). The specific abnormalities found in bacterial superinfection can be integrated into diagnostic and management protocols for pediatric respiratory infections. Overall, this research contributes valuable insights into optimizing LUS as a diagnostic tool in pediatric pneumonia, facilitating more informed and tailored healthcare decisions.
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- 2024
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41. Small Scale, High Precision: Robotic Surgery in Neonatal and Pediatric Patients-A Narrative Review.
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Iacob ER, Iacob R, Ghenciu LA, Popoiu TA, Stoicescu ER, and Popoiu CM
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This narrative review explores the evolution and implications of robotic-assisted surgery in pediatric and neonatal cases, focusing on its advantages, drawbacks, and the specific diseases amenable to this innovative technology. Following PRISMA guidelines, 56 relevant articles from the past five years were selected, emphasizing advancements in precision, reduced trauma, and expedited recovery times for pediatric patients. Despite challenges like cost and training, ongoing research shapes pediatric robotic-assisted surgery, promising improved outcomes. The technology's benefits include enhanced precision, minimized scarring, and faster recovery, addressing the challenges in delicate pediatric procedures. Challenges encompass cost, training, and instrument design, but ongoing refinements aim to overcome these. This review underscores psychological and musculoskeletal considerations for patients and surgeons. While acknowledging limitations and preferred pathologies, this review outlines the transformative potential of robotic-assisted surgery in reshaping pediatric surgical care. This comprehensive assessment concludes that, despite challenges, ongoing advancements promise a future of enhanced precision and tailored care in pediatric surgery.
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- 2024
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42. Stratifying Disease Severity in Pediatric COVID-19: A Correlative Study of Serum Biomarkers and Lung Ultrasound-A Retrospective Observational Dual-Center Study.
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Stoicescu ER, Iacob R, Ilie AC, Iacob ER, Susa SR, Ghenciu LA, Constantinescu A, Cocolea DM, Ciornei-Hoffman A, Oancea C, and Manolescu DL
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The COVID-19 pandemic, caused by SARS-CoV-2, has manifested distinct impacts on infants and children. This study delves into the intricate connection between lung ultrasound (LUS) findings and serum biomarkers in neonates and infants with COVID-19. Exploring factors contributing to the mild symptoms in this demographic, including immune responses and pre-existing immunity, the study spans 3 years and 9 months, involving 42 patients. Respiratory and gastrointestinal symptoms predominate, and LUS emerges as a vital, non-irradiating tool for evaluating pulmonary abnormalities. Serum biomarkers like CRP, procalcitonin, and cytokines provide key insights into the pathophysiology. Correlations reveal nuanced links between LUS score and clinical parameters, unveiling associations with hospitalization duration (rho = 0.49), oxygen saturation (rho = -0.88), and inflammatory markers, like ferritin (rho = 0.62), LDH (rho = 0.73), and D-dimer (rho = 0.73) with significance level ( p < 0.05). The absence of large consolidations in LUS suggests unique pulmonary characteristics. The novelty of these findings lies in the comprehensive integration of LUS with serum biomarkers to assess and monitor the severity of lung involvement in neonates and infants affected by SARS-CoV-2. This approach offers valuable insights into disease severity, biomarker levels, the duration of hospitalization, and oxygen saturation, providing a multifaceted understanding of COVID-19's impact on this vulnerable population.
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- 2024
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43. Tiny Lungs, Big Differences: Navigating the Varied COVID-19 Landscape in Neonates vs. Infants via Biomarkers and Lung Ultrasound.
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Stoicescu ER, Iacob R, Iacob ER, Ghenciu LA, Oancea C, and Manolescu DL
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Due to their susceptibilities, neonates and infants face unique SARS-CoV-2 challenges. This retrospective study will compare the illness course, symptoms, biomarkers, and lung damage in neonates and infants with SARS-CoV-2 infection from February 2020 to October 2023. This study was conducted at two hospitals in Timisoara, Romania, using real-time multiplex PCR to diagnose and lung ultrasonography (LUS) to assess lung involvement. Neonates had a more severe clinical presentation, an increased immune response, and greater lung involvement. Neonates had more PCR-positive tests ( p = 0.0089) and longer hospital stays ( p = 0.0002). In neonates, LDH, CRP, and ferritin levels were higher, indicating a stronger inflammatory response. Reduced oxygen saturation in neonates indicates respiratory dysfunction. The symptoms were varied. Infants had fever, cough, and rhinorrhea, while neonates had psychomotor agitation, acute dehydration syndrome, and candidiasis. This study emphasizes individualized care and close monitoring for neonatal SARS-CoV-2 infections. Newborn lung ultrasonography showed different variances and severity levels, emphasizing the need for targeted surveillance and therapy. Newborns have high lung ultrasound scores (LUSS), indicating significant lung involvement. Both groups had initial lung involvement, but understanding these modest differences is crucial to improving care for these vulnerable populations.
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- 2024
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44. Current Trends in Diagnosis and Treatment Approach of Diabetic Retinopathy during Pregnancy: A Narrative Review.
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Rosu LM, Prodan-Bărbulescu C, Maghiari AL, Bernad ES, Bernad RL, Iacob R, Stoicescu ER, Borozan F, and Ghenciu LA
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Diabetes mellitus during pregnancy and gestational diabetes are major concerns worldwide. These conditions may lead to the development of severe diabetic retinopathy during pregnancy or worsen pre-existing cases. Gestational diabetes also increases the risk of diabetes for both the mother and the fetus in the future. Understanding the prevalence, evaluating risk factors contributing to pathogenesis, and identifying treatment challenges related to diabetic retinopathy in expectant mothers are all of utmost importance. Pregnancy-related physiological changes, including those in metabolism, blood flow, immunity, and hormones, can contribute to the development or worsening of diabetic retinopathy. If left untreated, this condition may eventually result in irreversible vision loss. Treatment options such as laser therapy, intravitreal anti-vascular endothelial growth factor drugs, and intravitreal steroids pose challenges in managing these patients without endangering the developing baby and mother. This narrative review describes the management of diabetic retinopathy during pregnancy, highlights its risk factors, pathophysiology, and diagnostic methods, and offers recommendations based on findings from previous literature.
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- 2024
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45. Editorial: The emerging role of liquid biopsy in gastrointestinal, pancreatic and liver cancers.
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Iacob R, Paul D, and Popescu I
- Abstract
Competing Interests: The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest.
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- 2023
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46. A 10-YEAR STUDY OF CHILDREN WITH GONADAL TUMORS AND DISORDERS OF SEX DIFFERENTIATION, IN ROMANIA.
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Ataikiru U, Iacob R, Chirita-Emandi A, Galinescu M, Miron I, Popoiu C, and Boia E
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Context: Children having gonadal tumors and disorder of sex differentiation (DSD) are rare., Objective: To investigate the presentation of DSD children with malignant gonadal tumors., Methods: A retrospective study from 2010-2020, that evaluated 17 children with DSD, including 13 females, eight months to 16 years, with congenital adrenal hyperplasia, 5-alpha reductase deficiency, androgen insensitivity syndrome, Turner, Sywer, and Klinefelter syndromes., Results: Ten children had malignant gonadal tumor; nine had germ cell tumors and one person granulosa cell tumors, while seven children with non-malignant tumor had gonadoblastoma, cystadenoma (five children), and cysts. Systemic malformations, obesity, elevated tumor markers, and psychosocial issues were observed in 90%, 90%, 70%, and 50% of children with malignancy unlike 28.6%, 42.9%, 14.35%, and 57.1% children without malignancy respectively. Most (9/10) children >12 years, had psychosocial issues, unlike 0/7 children ≤12 years. From 8/17 children presenting with symptoms suggestive of tumor, 75% had malignancy, while from 9/17 children with DSD presentation, 44% had malignant tumors. Malignancy was observed in 3/10 children between eight months to age six, while 7/10 children had stage 1-2 tumors. We reported a child, identified as female, aged 13 years, with partial androgen insensivity syndrome (PAIS) 46,XY, and testicular papillary serous cystadenoma with genomic variant AR NM_000044.4:c.2750del. p.(F917Sfs*27) chromosome Xq12, never published in people with PAIS nor population databases (GnomAD)., Conclusion: DSD diagnosis raises numerous challenges. People with DSD have increased risk of malignancy, especially when obesity and, systemic malformations are present; also, psychosocial issues in these children are associated with postpubertal age., Competing Interests: The authors declare that they have no conflict of interest., (©2023 Acta Endocrinologica (Buc).)
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- 2023
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47. COVID-19 in Infants and Children under 2 Years-Could Lung Ultrasound Score Be Correlated with Biomarkers and Symptoms?
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Stoicescu ER, Lovrenski J, Iacob R, Cerbu S, Iacob D, Iacob ER, Susa SR, Ciuca IM, Bolintineanu Ghenciu LA, Ciornei-Hoffman A, Oancea C, and Manolescu DL
- Abstract
Introduction: It is already well known that infants and children infected with COVID-19 develop mild to moderate forms of the disease, with fever and oropharyngeal congestion being the most common symptoms. However, there are instances when patients claim to be experiencing respiratory symptoms. Because of the repeated lung examinations required in these situations, non-irradiating imaging techniques are preferred. This study's objective is to ascertain the value of lung ultrasonography (LUS) in the medical management of these specific cases., Methods: Infants and children under two years old with SARS-CoV-2 infection were evaluated using LUS. Patients with other respiratory pathologies were excluded by using specific tests. The LUS score (LUSS) was correlated with biomarkers and clinical findings using the Mann-Whitney U test and Spearman's rank correlation rho., Results: The LUSS for each patient varied from 1 to 8 points out of a maximum of 36 points. The arithmetic mean was 4.47 ± 2.36 (S.D), while the 95% CI for the arithmetic mean was 3.33 to 5.61. Sparse B-lines were present in all enrolled infants and children (100%), while only 36.84% developed alveolar syndrome (confluent B-lines). The lung changes were correlated with their biomarkers, specifically inflammatory markers. The correlation between LUSS and LDH, D-dimers, and IL-6 was a strongly positive one with rho = 0.55 ( p = 0.001, 95% CI 0.13 to 0.80) between the LUSS and D-dimer levels and rho = 0.60 ( p = 0.03, 95% CI 0.04 to 0.87) between LUSS and D-dimer levels at symptomatic infants and children (with respiratory involvement)., Conclusions: Infants and children under the age of two are prone to develop mild forms of COVID-19 disease with a B-line pattern on LUS, although inflammatory markers have elevated blood levels. Despite the small sample, D-dimer levels and O
2 saturation were correlated with LUSS in patients with respiratory involvement, while similar results were also found in the entire lot.- Published
- 2023
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48. Liquid biopsy for early detection of hepatocellular carcinoma.
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Manea I, Iacob R, Iacob S, Cerban R, Dima S, Oniscu G, Popescu I, and Gheorghe L
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Hepatocellular carcinoma (HCC) is a highly prevalent and lethal cancer globally. Over 90% of HCC cases arise in the context of liver cirrhosis, and the severity of the underlying liver disease or advanced tumor stage at diagnosis significantly limits treatment options. Early diagnosis is crucial, and all guidelines stress the importance of screening protocols for HCC early detection as a public health objective. As serum biomarkers are not optimal for early diagnosis, liquid biopsy has emerged as a promising tool for diagnosis, prognostication, and patients' stratification for personalized therapy in various solid tumors, including HCC. While circulating tumor cells (CTCs) are better suited for personalized therapy and prognosis, cell-free DNA (cfDNA) and extracellular vesicle-based technologies show potential for early diagnosis, HCC screening, and surveillance protocols. Evaluating the added value of liquid biopsy genetic and epigenetic biomarkers for HCC screening is a key goal in translational research. Somatic mutations commonly found in HCC can be investigated in cfDNA and plasma exosomes as genetic biomarkers. Unique methylation patterns in cfDNA or cfDNA fragmentome features have been suggested as innovative tools for early HCC detection. Likewise, extracellular vesicle cargo biomarkers such as miRNAs and long non-coding RNAs may serve as potential biomarkers for early HCC detection. This review will explore recent findings on the utility of liquid biopsy for early HCC diagnosis. Combining liquid biopsy methods with traditional serological biomarkers could improve the overall diagnostic accuracy for early HCC detection., Competing Interests: The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest., (Copyright © 2023 Manea, Iacob, Iacob, Cerban, Dima, Oniscu, Popescu and Gheorghe.)
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- 2023
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49. Hepatic arterial variations detected at multidetector computer tomography angiography in the Romanian population.
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Bolintineanu Ghenciu LA, Bolintineanu SL, Iacob R, Stoicescu ER, and Zahoi DE
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Background: Our purpose was to determine the prevalence of normal hepatic vascularization and variations of the hepatic arteries using multidetector computed tomography (MDCT) angiography. These variants should be known before any surgery of the upper abdomen, the downside being that there aren't many studies on large groups of patients using high-specialized imaging., Materials and Methods: This study was carried out on 4192 patients. We performed MDCT angiography on each one of the patients and had a specialized team observe the images., Results: Using Michels' classification, the normal anatomy (type I) was present in 3392 (80.91%) cases, while abnormal hepatic arteries were observed in 800 (19.08%) cases. The variations were distributed as follows: type II in 40 (0.95%) cases, type III in 442 (10.54%) cases, type IV in 13 (0.31%) cases, type V in 285 (6.79%) cases, type VI in 12 (0.28%) cases, type VII in 3 (0.07%) cases, type VIII in 108 (2.57%) cases, type IX in 6 (0.14%) cases and type X in one case (0.02%). 170 (4.05%) unclassified cases were observed. Using Hiatt's classification, the variations were: type II in 325 (7.75%) cases, type III in 454 (10.83%) cases, type IV in 124 (2.95%) cases, type V in 6 cases (0.14%) and type VI in 69 (1.64%) cases. 102 (2.43%) unclassified cases were observed., Conclusions: We observed well-known variations of the hepatic arterial pattern and also found a large number of rare, unclassified cases.
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- 2023
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50. Could Biparametric MRI Replace Multiparametric MRI in the Management of Prostate Cancer?
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Iacob R, Stoicescu ER, Cerbu S, Manolescu DL, Bardan R, and Cumpănaş A
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Prostate cancer (PCa) is a worldwide epidemiological problem, since it is one of the most prevalent types of neoplasia among men, and the third-leading cause of cancer-related deaths, after lung and colorectal tumors. Unfortunately, the early stages of PCa have a wide range of unspecific symptoms. For these reasons, early diagnosis and accurate evaluation of suspicious lesions are crucial. Multiparametric MRI (mpMRI) is currently the imaging modality of choice for diagnostic screening and local staging of PCa, but also has a leading role in guiding biopsies and in treatment biparametric MRI (bpMRI) could partially replace mpMRI due to its lack of adverse reactions caused by contrast agents, relatively lower costs, and shorter acquisition time. Further, 31 relevant articles regarding the advantages and disadvantages of the aforementioned imaging techniques were scanned. As a result, while bpMRI has comparable accuracy in detecting PCa, its roles in the other steps of PCa management are limited.
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- 2023
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