Nicolae Paun

Dr. Nicolae Paun


Research Focus & Metrics

Academic Career Length

6Years (2021-Present)

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

Representative Publications

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24 April 2025 in Diagnostics
Verified
Journal Article
Open access
PDF file
Mihai GrigoreMihai Grigore
Mihai Grigore
CNCamelia Nicolae
Camelia Nicolae
Andreea-Maria GrigoreAndreea-Maria Grigore
Andreea-Maria Grigore
ABANA-MARIA BALAHURA
ANA-MARIA BALAHURA
NPNicolae Paun
Nicolae Paun
AIAdriana Mihaela Iliesiu
Adriana Mihaela Iliesiu
Congestion represents a defining hallmark of heart failure (HF) leading to increased morbidity and mortality in HF patients. While it was traditionally viewed as a simple and uniform state of volume overload, contemporary understanding has emphasized its complexity, distinguishing between intravascular, interstitial, and tissue congestion. Congestion contributes to overt clinical manifestation of HF. However, subclinical congestion often goes undetected, increasing the risk of adverse outcomes. Residual congestion, in particular, remains a frequent and challenging issue, with its persistence at discharge being strongly linked to rehospitalization and poor prognosis. Clinical evaluation often fails to reliably identify the resolution of congestion, highlighting the need for supplementary diagnostic methods. Improvement in imaging modalities, including lung ultrasound, venous Doppler, and echocardiography, have significantly enhanced the detection of congestion. Moreover, biomarkers such as natriuretic peptides, bioactive adrenomedullin, soluble CD146, and carbohydrate antigen 125 offer valuable, complementary insights into fluid distribution and the severity of HF congestion. Therefore, a comprehensive, multimodal strategy that integrates clinical evaluation with imaging and biomarker data is crucial for optimizing the management of congestion in HF. Future approaches should prioritize personalized decongestive therapy, addressing both intravascular and tissue congestion, while aiming to preserve renal function and limit neurohormonal activation. Refinement of these strategies holds promise for improving long-term outcomes, reducing rehospitalizations, and enhancing overall patient prognosis.

1 June 2021 in Internal Medicine
Verified
Journal Article
Open access
PDF file
NPNicolae Paun
Nicolae Paun
ISIngrid Joanna Sinelli
Ingrid Joanna Sinelli
CNCamelia Nicolae
Camelia Nicolae
INIoan Tiberiu Nanea
Ioan Tiberiu Nanea
CTCorneliu Toader
Corneliu Toader
Hypertension is one of the main risk factors for developing left ventricle failure. The study was conducted at outpatient Clinic – Medlife, Memorial Hospital. It was an observational study. We analyzed the exercise-induced secretion of NT-pro BNP in hypertensive patients with normal ejection fraction and no symptoms or signs of heart failure. Comparing the levels of NT-pro BNP before and after exercise proved to be a good mean for diagnosing left ventricular dysfunction (LVD) in hypertensive patients with left ventricular remodeling.

6 February 2025 in Biomedicines
Verified
Journal Article
Open access
PDF file
MAMadalina Andreea
Madalina Andreea
CNCamelia Nicolae
Camelia Nicolae
RPRăzvan-Ionuț Popescu
Răzvan-Ionuț Popescu
ARAndreea Rusescu
Andreea Rusescu
NPNicolae Paun
Nicolae Paun
TNTiberiu Ioan Nanea
Tiberiu Ioan Nanea
Background and Clinical Significance: Renal abscess represents one infectious urological complication with lethal potential. The treatment of this pathology may differ depending on the severity of the symptoms and the size of the infectious collection. Diabetes, immunosuppression, and associated urinary pathologies are most frequently responsible for the development of abscesses. This case report presents the first documented case of a renal abscess associated with Sodium-glucose cotransporter 2 (SGLT2) inhibitors in a person without previous predisposing pathologies. Case Presentation: A 62-year-old patient presented to the emergency department for pain in the right flank, vomiting, and dysuria. The patient’s medical history revealed Heart Failure New York Heart Association (NYHA) Class II, Coronary Artery Disease (CAD) with prior angioplasty, and permanent Atrial Fibrillation. No prior urological or immunosuppressive conditions were detected. The Computed Tomography (CT) evaluation confirmed the ultrasound suspicion of a right renal abscess performed in the emergency room. The only risk factor identified was the initiation of SGLT2 inhibitor therapy for cardiac pathology approximately 2 months before. According to the small dimensions and urine culture, the abscess was successfully treated with antibiotic administration in collaboration with the urology department. The infectious process was remitted within 2 weeks. Conclusions: To our knowledge this is the first documented case of a renal abscess associated with SGLT2 inhibitor administration in a person without previous predisposing risk factors. Despite the relatively low incidence of urinary tract infections (UTIs) associated with SGLT2 inhibitors, their widespread use in the treatment of various socially significant conditions highlights the need for both patients and medical specialists to be aware of all potential risks and pay increased attention to these cases.

24 April 2023 in Research Square
Verified
Preprint
Open access
PDF file
NPNicolae Paun
Nicolae Paun
ȘBȘtefan-Sebastian Busnatu
Ștefan-Sebastian Busnatu
VJViorel Jinga
Viorel Jinga
AIAdriana Mihaela Iliesiu
Adriana Mihaela Iliesiu
GUGabriela Uscoiu
Gabriela Uscoiu
CNCamelia Nicolae
Camelia Nicolae
Background: The association between hypertension (HTN) and type 2 diabetes mellitus (DM) frequently leads to left ventricular diastolic dysfunction (DD). Methods: We aim to test whether DD can readily be unveiled as early as in the subclinical stage in diabetic hypertensive asymptomatic patients, even before echocardiography can do so. We compared the values of NT-pro BNP (as a marker of increased filling pressures) before and after the treadmill stress test in hypertensive patients with and without diabetes mellitus (DM) and normal subjects. All had normal systolic and diastolic functions at rest and after the stress test, according to the recommendations of the ESC. Results: The results from our study showed a significant increase inNT-pro BNP after the stress test, but only in hypertensive patients with diabetes. Conclusion: Compared with echocardiography, measuring the changes inNT-pro BNP after the stress test in hypertensive and diabetic patients with class A heart failure could be a tool for diagnosing DD much earlier in the evolution of the disease. This is an important finding because these patients are difficult to distinguish from those with normal left ventricle function, based only on restingNT-pro BNP or echocardiography. In this way, they can benefit much earlier from specific therapies to mitigate future cardiovascular events.