Cătălin-Alexandru Pîrvu

Dr. Cătălin-Alexandru Pîrvu

orcid

Research Focus & Metrics

Academic Career Length

4Years (2023-Present)

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

Representative Publications

View All Publications
17 November 2024 in Biomedicines
Verified
Journal Article
Open access
PDF file
TMTudorel Mihoc
Tudorel Mihoc
SLSilviu Constantin Latcu
Silviu Constantin Latcu
CSCosmin-Ciprian Secasan
Cosmin-Ciprian Secasan
VDVlad Dema
Vlad Dema
ACAlin Adrian Cumpanas
Alin Adrian Cumpanas
SPStelian Pantea
Stelian Pantea
Acute pancreatitis is a complex inflammatory disorder with significant morbidity and mortality. This review aims to integrate the current knowledge of pancreatic morphology and immunology with the pathogenesis of acute pancreatitis, providing a comprehensive understanding of this critical condition. We conducted an extensive literature review, synthesizing data from recent studies and authoritative sources on pancreatic anatomy, histology, immunology, and the pathophysiology of acute pancreatitis. We also incorporated epidemiological data, clinical features, diagnostic criteria, and prognostic factors. The pancreas exhibits a complex morphology with intricate interactions between its exocrine and endocrine components. Its unique immunological landscape plays a crucial role in maintaining homeostasis and orchestrating responses to pathological conditions. In acute pancreatitis, the disruption of intracellular calcium signaling leads to premature enzyme activation, triggering a cascade of events including mitochondrial dysfunction, ATP depletion, and the release of proinflammatory mediators. This process can escalate from localized inflammation to systemic complications. The interplay between pancreatic morphology, immune responses, and pathophysiological mechanisms contributes to the varied clinical presentations and outcomes observed in acute pancreatitis. Understanding the intricate relationships between pancreatic morphology, immunology, and the pathogenesis of acute pancreatitis is crucial for developing more effective diagnostic and therapeutic strategies. This integrated approach provides new insights into the complex nature of acute pancreatitis and may guide future research directions in pancreatic disorders.

25 September 2023 in Microorganisms
Verified
Journal Article
Open access
PDF file
A(Ana Alexandra Ardelean (Paduraru)
Ana Alexandra Ardelean (Paduraru)
MLMaria Alina Lupu
Maria Alina Lupu
Laurentiu Vasile SimaLaurentiu Vasile Sima
Laurentiu Vasile Sima
GCGabriel Veniamin Cozma
Gabriel Veniamin Cozma
SOSorin Olariu
Sorin Olariu
Tudor Rares OlariuTudor Rares Olariu
Tudor Rares Olariu
Cystic echinococcosis (CE) is a neglected parasitic disease caused by the tapeworm Echinococcus granulosus. The aim of this study was to assess the epidemiological features of human cystic echinococcosis in patients from Western Romania. We retrospectively investigated the medical records of patients hospitalized with CE between 1 January 2007 and 1 September 2022. A total of 366 patients (range 18–90 years) were recorded. The number of hospitalized individuals was higher in patients aged 50–59 years (83/366, 22.7%), in females (194/366, 53%), and in residents of rural areas (225/366, 61.5%). The liver was the most common localization of the cysts (302/366, 82.5%). Ninety-eight patients (26.8%) presented complications, including biliary fistula, allergies, and infection of the cyst. Patients with complications had a longer mean hospital stay (15.7 ± 8.3 days) compared to patients without complications (11.5 ± 7.3 days) (p < 0.001). The results of this study revealed that patients diagnosed with CE required hospitalization and extended medical care, indicating that this zoonotic disease remains a significant public health problem in Western Romania. Public health authorities should enhance CE surveillance by implementing control programs and mandatory notification of new cases.

26 March 2025 in Biomedicines
Verified
Journal Article
Open access
PDF file
TMTudorel Mihoc
Tudorel Mihoc
CPCătălin-Alexandru Pîrvu
Cătălin-Alexandru Pîrvu
ADAmadeus Dobrescu
Amadeus Dobrescu
DBDan Alin Brebu
Dan Alin Brebu
OMOPRESCU MACOVEI ANCA MONICA
OPRESCU MACOVEI ANCA MONICA
MCMonica Laura Cara
Monica Laura Cara
Background and Objectives: Severe acute pancreatitis carries a substantial risk of complications and death. Prompt identification of prognostic factors is crucial to optimize management and reduce mortality. This study aims to compare inflammatory scores, laboratory markers, and clinical outcomes between survivors and non-survivors with severe acute pancreatitis, drawing on data from 179 patients admitted between 2017 and 2024. Methods: We conducted a retrospective cohort study of 179 patients diagnosed with severe acute pancreatitis. Of these, 55 patient records were extracted from an existing database, and an additional 124 were included from hospital archives (2017–2024). We divided participants into survivors (n = 121) and non-survivors (n = 58). Clinical data were obtained from medical records, including demographic information, comorbidities, laboratory markers (neutrophil-to-lymphocyte ratio (NLR) and platelet-to-lymphocyte ratio (PLR)), and severity scores (Acute Physiology and Chronic Health Evaluation (APACHE), Computed Tomography Severity Index (CTSI), and Ranson). Results: Non-survivors had significantly higher ages (mean of 66.4 vs. 52.7 years, p = 0.002), elevated inflammatory markers (median NLR of 14.2 vs. 10.3, p = 0.031), and more frequent multiorgan failure (75.9% vs. 31.4%, p < 0.001). The timing of intervention before 28 days was associated with higher mortality (p = 0.004). Chronic kidney disease and advanced cardiovascular comorbidities independently predicted worse survival (p = 0.009). The mortality rate in this cohort was 32.4%. Logistic regression identified age >60 years with an odds ratio (OR = 2.9), multiple organ failure (OR = 4.1), and high severity scores as primary contributors to mortality. Conclusions: Advanced age, comorbidities, elevated inflammatory markers, and multiple organ failure significantly impact mortality in severe acute pancreatitis. Delaying major interventions when feasible, optimizing perioperative care, and early recognition of high-risk patients may improve outcomes. Further research should explore targeted management strategies for high-risk groups and refine the role of delayed or minimally invasive approaches in severe acute pancreatitis management.

27 July 2024 in Applied Sciences
Verified
Journal Article
Open access
PDF file
Gheorghe Nicusor POPGheorghe Nicusor POP
Gheorghe Nicusor POP
Felicia ManoleFelicia Manole
Felicia Manole
BFBuleu Florina
Buleu Florina
AMAlexandru Catalin Motofelea
Alexandru Catalin Motofelea
SBSilviu Bircea
Silviu Bircea
CPCătălin-Alexandru Pîrvu
Cătălin-Alexandru Pîrvu
This literature review explores advancements in obesity and diabetes mellitus diagnosis and treatment, highlighting recent innovations that promise more personalized and effective healthcare interventions. For obesity diagnosis, traditional methods like body mass index (BMI) calculations are now complemented by bioelectrical impedance analysis (BIA) and dual-energy X-ray absorptiometry (DXA) scans, with emerging biomarkers from “omics” technologies. Diabetes diagnosis has advanced with standard hemoglobin A1c (HbA1c) testing supplemented by novel measures such as advanced glycation end products (AGEs) and autoantibodies, alongside the use of artificial intelligence to enhance diagnostic accuracy. Treatment options for obesity are expanding beyond traditional methods. Minimally invasive bariatric surgeries, endoscopic procedures, fecal microbiota transplants (FMTs), and pharmaceuticals like GLP-1 receptor agonists (semaglutide, tirzepatide) show promising results. Cognitive behavioral therapy (CBT) and prescription digital therapeutics (PDTs) are also valuable tools for weight management. Diabetes treatment is also undergoing a transformation. Ultra-long-acting insulins and innovative oral insulin delivery methods are on the horizon. SGLT2 inhibitors and GLP-1 receptor agonists are proving to be effective medications for blood sugar control. Continuous glucose monitoring (CGM) systems and closed-loop insulin delivery are revolutionizing diabetes management, while stem cell therapy holds promise for the future. By integrating advanced diagnostic tools with personalized treatment plans, obesity and diabetes care are entering a new era. This personalized approach empowers patients and paves the way for improved health outcomes and a better quality of life.

7 November 2024 in Journal of Clinical Medicine
Verified
Journal Article
Open access
PDF file
TTTalpai Tamas
Talpai Tamas
SRSandu Ramboiu
Sandu Ramboiu
CPCătălin-Alexandru Pîrvu
Cătălin-Alexandru Pîrvu
SPStelian Pantea
Stelian Pantea
MŞMircea Şelaru
Mircea Şelaru
VSValeriu Marin Surlin
Valeriu Marin Surlin
Background/Objectives: Ventral hernia repair (VHR) is a common surgical intervention linked to specific surgical site complications. In such occurrences, the related morbidity is often substantial. Although known risk factors have long been recognized, their systematic inclusion in risk stratification systems lacks universal validation. This study evaluates the effectiveness and correspondence of three risk assessment tools—CeDAR, VHWG, and the modified VHWG—in predicting postoperative wound complications in VHR patients. Methods: We analyzed data from 203 patients who underwent VHR for incisional midline or lateral wall hernia across two surgical departments between 2019 and 2023. Each patient was scored using CeDAR, VHWG, and the modified VHWG systems. Outcomes were assessed based on surgical site occurrences (SSOs) such as seroma formation, wound infections, and recurrences. Results: The incidence of SSOs was 8.9%, with two recorded deaths (0.89%). CeDAR scores showed a statistically significant relationship with SSOs but failed to accurately predict complication rates across subgroups. The VHWG grading system effectively predicted higher complication rates for grades III and IV compared to grades I and II, though its modified version did not show significant predictive improvements. Secondary outcomes indicated a higher SSO rate in patients requiring posterior component separation (TAR) and those with larger hernia defects, though the differences were not statistically significant. Major preoperative risk factors, including smoking, diabetes, and obesity, did not show significant correlations with SSO rates in this study. Conclusions: Current risk estimation tools inadequately predict SSOs in VHR. Enhancing prediction accuracy will require incorporating both patient-specific and surgical factors, potentially through advanced algorithms and large-scale studies.

15 October 2024 in Preprints.org
Verified
Preprint
Open access
PDF file
TMTudorel Mihoc
Tudorel Mihoc
SLSilviu Constantin Latcu
Silviu Constantin Latcu
CSCosmin-Ciprian Secasan
Cosmin-Ciprian Secasan
VDVlad Dema
Vlad Dema
ACAlin Adrian Cumpanas
Alin Adrian Cumpanas
SPStelian Pantea
Stelian Pantea
Acute pancreatitis is a complex inflammatory disorder with significant morbidity and mortality. This review aims to integrate current knowledge of pancreatic morphology and immunology with the pathogenesis of acute pancreatitis, providing a comprehensive understanding of this critical condition. We conducted an extensive literature review, synthesizing data from recent studies and authoritative sources on pancreatic anatomy, histology, immunology, and the pathophysiology of acute pancreatitis. We also incorporated epidemiological data, clinical features, diagnostic criteria, and prognostic factors. The pancreas exhibits a complex morphology with intricate interactions between its exocrine and endocrine components. Its unique immunological landscape plays a crucial role in maintaining homeostasis and orchestrating responses to pathological conditions. In acute pancreatitis, disruption of intracellular calcium signaling leads to premature enzyme activation, triggering a cascade of events including mitochondrial dysfunction, ATP depletion, and release of pro-inflammatory mediators. This process can escalate from localized inflammation to systemic complications. The interplay between pancreatic morphology, immune responses, and pathophysiological mechanisms contributes to the varied clinical presentations and outcomes observed in acute pancreatitis. Understanding the intricate relationships between pancreatic morphology, immunology, and the pathogenesis of acute pancreatitis is crucial for developing more effective diagnostic and therapeutic strategies. This integrated approach provides new insights into the complex nature of acute pancreatitis and may guide future research directions in pancreatic disorders.