Laurenţiu Cornel Pirtea

Dr. Laurenţiu Cornel Pirtea


Research Focus & Metrics

Academic Career Length

5Years (2022-Present)

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

Representative Publications

View All Publications
Verified
Journal Article
Open access
PDF file
ADAlexandru Dabîca
Alexandru Dabîca
OBOana Balint
Oana Balint
FOFlavius Olaru
Flavius Olaru
CSCristina Secosan
Cristina Secosan
LBLigia Balulescu
Ligia Balulescu
LPLaurenţiu Cornel Pirtea
Laurenţiu Cornel Pirtea
Background: Pelvic organ prolapse (POP) is a public health problem that influences millions of women around the globe, and it has a significant impact on the quality of life. From the FDA statement regarding the complications of using mesh implants in POP surgery to studies that have shown the benefits and side effects, we conducted a systematic review investigating the complications associated with surgical mesh implantation for POP repair. Methods: Relevant studies were identified through a comprehensive search of scientific databases. Studies evaluating the use of mesh in POP surgery and reporting on associated complications were included. Results: Among 2816 studies, 28 studies met the research criteria, with a total number of 8958 patients, revealing that in laparoscopic mesh surgery, the rate of mesh exposure was lower compared to vaginal mesh surgery, among other complications. Conclusions: Laparoscopic mesh surgery is superior as a long-term approach for POP repair compared to vaginal mesh surgery, offering lower complication rates and potentially better anatomical success. However, vaginal mesh surgery remains a valuable option for patients who are unsuitable for laparoscopy due to specific factors. Future research should explore alternative techniques, like pectopexy with or without mesh, to further improve surgical outcomes and patient experience.

17 April 2023 in Cells
Verified
Journal Article
Open access
PDF file
ABAlina Cristina Barb
Alina Cristina Barb
MPMihaela Maria Pasca-Fenesan
Mihaela Maria Pasca-Fenesan
LPLaurenţiu Cornel Pirtea
Laurenţiu Cornel Pirtea
Madalin-Marius MarganMadalin-Marius Margan
Madalin-Marius Margan
TLTomescu Larisa-Cristina
Tomescu Larisa-Cristina
Anca-Maria CimpeanAnca-Maria Cimpean
Anca-Maria Cimpean
Background: Tertiary lymphoid structures (TLSs) mediate local antitumor immunity, and interest in them significantly increased since cancer immunotherapy was implemented. We examined TLS− tumor stromal blood vessel interplay for each breast cancer (BC) molecular subtype related to recurrence, lymphovascular invasion (LVI), and perineural invasion (PnI). Methods: TLSs were quantified on hematoxylin and eosin stain specimens followed by CD34/smooth muscle actin (SMA) double immunostaining for stromal blood vessel maturation assessment. Statistical analysis linked microscopy to recurrence, LVI, and PnI. Results: TLS negative (TLS−) subgroups in each BC molecular subtype (except to Luminal A) have higher LVI, PnI, and recurrence. A significant rise in LVI and PnI were observed for the HER2+/TLS− subgroup (p < 0.001). The triple negative breast cancer (TNBC)/TLS− subgroup had the highest recurrence and invasion risk which was also significantly related to tumor grade. PnI but not LVI significantly influenced recurrence in the TNBC/TLS+ subgroup (p < 0.001). TLS−stromal blood vessel interrelation was different amongst BC molecular subtypes. Conclusion: BC invasion and recurrence are strongly influenced by TLS presence and stromal blood vessels, especially for HER2 and TNBC BC molecular subtypes.

16 May 2024 in Biomedicines
Verified
Journal Article
Open access
PDF file
LBLavinia Balan
Lavinia Balan
Anca-Maria CimpeanAnca-Maria Cimpean
Anca-Maria Cimpean
PNPrashant Sunil Nandarge
Prashant Sunil Nandarge
VSVirgiliu-Bogdan Sorop
Virgiliu-Bogdan Sorop
CBCatalin Balan
Catalin Balan
LPLaurenţiu Cornel Pirtea
Laurenţiu Cornel Pirtea
This systematic review evaluates the clinical outcomes and molecular predictors of response to pembrolizumab in patients with advanced and metastatic cervical cancer. We adhered to the PRISMA guidelines for systematic reviews, conducting a database search in PubMed, Scopus, and Embase. The eligibility criteria centered on clinical outcomes, including the overall survival (OS), progression-free survival (PFS), and immune-related biomarkers post-pembrolizumab therapy. We included both prospective and retrospective studies that detailed clinical outcomes and molecular characteristics predictive of therapeutic response. Our search yielded six studies involving 846 patients treated with pembrolizumab from 2017 to 2022. The meta-analysis of these studies showed that pembrolizumab, used as monotherapy or in combination with chemotherapy, extended the OS by a weighted median of 10.35 months and the PFS by 8.50 months. The treatment demonstrated a pooled objective response rate (ORR) of 22.39%, although the I2 test result of 67.49% showed a high heterogeneity among the studies. Notably, patients with high PD-L1 expression (CPS ≥ 10) experienced improved outcomes in terms of the PFS and OS. The most common complications were fatigue, diarrhea, and immune-related adverse events. Pembrolizumab significantly enhances clinical outcomes in metastatic cervical cancer, particularly among patients with high PD-L1 expression. The drug maintains a good safety profile, reinforcing its treatment potential for patients with advanced and metastatic cervical cancer. Future studies should explore long-term effects and strategies to integrate pembrolizumab optimally into current treatment regimens, aiming to maximize patient benefits and effectively manage side effects.

Verified
Journal Article
Open access
PDF file
LBLigia Balulescu
Ligia Balulescu
SBSimona Brasoveanu
Simona Brasoveanu
MPMarilena Pirtea
Marilena Pirtea
DGDorin Grigoras
Dorin Grigoras
Cristina Anamaria SecosanCristina Anamaria Secosan
Cristina Anamaria Secosan
LPLaurenţiu Cornel Pirtea
Laurenţiu Cornel Pirtea
Study objective: The objective of this systematic review is to investigate the impact of laparoscopic myomectomy techniques on pregnancy outcomes, with a specific focus on the correlation between the type of suture used during the procedure and the incidence of uterine rupture. Additionally, the study aims to examine how the localization and size of myomas, key factors in laparoscopic myomectomy, may influence fertility outcomes. Data Sources: extensive searches were conducted using MDPI, PubMed, Web of Science, and Cochrane Library databases from 2008 to November 2023. Methods of Study Selection: The study involved women of reproductive age diagnosed with fibroids who underwent surgical removal of fibroids using either laparotomy or laparoscopy. The evaluation of pregnancy outcomes focused on indicators such as live birth rates, miscarriage rates, stillbirth rates, premature delivery rates, and cases of uterine rupture. Quality assessment was systematically performed by employing the National Institutes of Health Study Quality Assessment Tools, with the subsequent formulation of clinical recommendations that were meticulously graded in accordance with the robustness of the underlying evidence. Results: The pregnancy outcomes post-myoma treatment, as reflected in one of the presented tables, show a promising number of pregnancies and live births, but also indicate the potential risks of miscarriages and preterm births. The diversity in outcomes observed among various studies underscores the imperative for tailored patient care, as well as the necessity for additional research aimed at optimizing fertility and pregnancy outcomes following myoma treatment. Conclusion: This study offers insights into the criteria for patient selection and intraoperative methodologies specifically related to laparoscopic myomectomy. To enhance our understanding of the associations between fibroid characteristics (location, size) and reproductive outcomes, additional research is warranted, particularly through well-designed clinical trials.

12 September 2025 in Journal of Clinical Medicine
Verified
Journal Article
Open access
PDF file
MNMihai Nădăban
Mihai Nădăban
OBOana Balint
Oana Balint
Cristina Anamaria SecosanCristina Anamaria Secosan
Cristina Anamaria Secosan
AFAlexandru Marius Furau
Alexandru Marius Furau
FOFlavius Olaru
Flavius Olaru
LPLaurenţiu Cornel Pirtea
Laurenţiu Cornel Pirtea
Background/Objectives: Sentinel lymph node (SLN) mapping has become a standard approach in the surgical staging of early-stage endometrial cancer, aiming to reduce the morbidity associated with full lymphadenectomy while preserving diagnostic accuracy. Vaginal Natural Orifice Transluminal Endoscopic Surgery (V-NOTES) represents a novel, minimally invasive approach for SLN mapping that may offer specific benefits in terms of access, cosmetics, and recovery, particularly in select patient populations. Methods: A comprehensive literature search was conducted in the main databases for studies evaluating the use of V-NOTES for sentinel lymph node mapping in patients with endometrial cancer. Results: Of the 12 included studies, three were observational cohort studies, while the remaining were case reports and series. The mean patient age was 59.6 years, with a majority being overweight or obese. V-NOTES was performed using both transperitoneal and retroperitoneal approaches, with indocyanine green (ICG) being the most used tracer. The overall mean SLN detection rate was 98.19%, with a bilateral detection rate of 93.7%. The average operative time was 155 min, the mean blood loss was 72.03 mL, and the average hospital stay was 2.4 days. The complication rate was low (3.9%), with no conversions to laparotomy reported. Conclusions: V-NOTES appears to be a feasible and safe alternative for SLN mapping in early-stage endometrial cancer, with high detection rates and favourable perioperative outcomes. However, due to the limited number of comparative studies and small sample sizes, further prospective research is needed to establish its efficacy relative to traditional minimally invasive techniques and to determine the optimal patient selection criteria.

27 July 2023 in Cancers
Verified
Journal Article
Open access
PDF file
ABAlina Cristina Barb
Alina Cristina Barb
MPMihaela Maria Pasca-Fenesan
Mihaela Maria Pasca-Fenesan
LPLaurenţiu Cornel Pirtea
Laurenţiu Cornel Pirtea
Madalin-Marius MarganMadalin-Marius Margan
Madalin-Marius Margan
TLTomescu Larisa-Cristina
Tomescu Larisa-Cristina
EMEUGEN MELNIC
EUGEN MELNIC
Background: Breast cancer (BC) stroma has CD34- and αSMA-positive cancer-associated fibroblasts (CAFs) differently distributed. During malignant transformation, CD34-positive fibroblasts decrease while αSMA-positive CAFs increase. The prevalence of αSMA-positive CAFs in BC stroma makes microscopic examination difficult without digital image analysis processing (DIA). DIA was used to compare CD34- and αSMA-positive CAFs among breast cancer molecular subgroups. DIA-derived data were linked to age, survival, tumor stroma vessels, tertiary lymphoid structures (TLS), invasion, and recurrence. Methods: Double immunostaining for CD34 and αSMA showed different CAF distribution patterns in normal and BC tissues. Single CD34 immunohistochemistry on supplemental slides quantified tumor stroma CD34_CAFs. Digital image analysis (DIA) data on CAF density, intensity, stromal score, and H-score were correlated with clinico-pathologic factors. Results: CD34/αSMA CAF proportion was significantly related to age in Luminal A (LA), Luminal B (LB), and HER2 subtypes. CD34_CAF influence on survival, invasion, and recurrence of LA, LB-HER2, and TNBC subtypes was found to be significant. The CD34/αSMA-expressing CAFs exhibited a heterogeneous impact on stromal vasculature and TLS. Conclusion: BC stromal CD34_CAFs/αSMA_CAFs have an impact on survival, invasion, and recurrence differently between BC molecular subtypes. The tumor stroma DIA assessment may have predictive potential to prognosis and long-term follow-up of patients with breast cancer.