Margarita Ptasnuka

Ms. Margarita Ptasnuka

Department of General and Emergency Surgery, Riga East University Hospital, Riga, Rīga, Latvia
orcid

Research Focus & Metrics

Academic Career Length

8Years (2019-Present)

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

Representative Publications

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10 September 2019 in World Journal of Emergency Surgery
Verified
Journal Article
Open access
PDF file
AKAleksejs Kaminskis
Aleksejs Kaminskis
PIPatricija Ivanova
Patricija Ivanova
AKAina Kratovska
Aina Kratovska
SPSanita Ponomarjova
Sanita Ponomarjova
Margarita PtasnukaMargarita Ptasnuka
Margarita Ptasnuka
GPGuntars Pupelis
Guntars Pupelis
Background: Upper gastrointestinal bleeding (UGIB) due to peptic ulcer disease is one of the leading causes of death in patients with non-variceal bleeding, resulting in up to 10% mortality rate, and the patient group at high risk of rebleeding (Forrest IA, IB, and IIA) often requires additional therapy after endoscopic hemostasis. Preventive transarterial embolization (P-TAE) after endoscopic hemostasis was introduced in our institution in 2014. The aim of the study is an assessment of the intermediate results of P-TAE following primary endoscopic hemostasis in patients with serious comorbid conditions and high risk of rebleeding.Methods: During the period from 2014 to 2018, a total of 399 patients referred to our institution with a bleeding peptic ulcer, classified as type Forrest IA, IB, or IIA with the Rockall score ≥ 5, after endoscopic hemostasis was prospectively included in two groups—P-TAE group and control group, where endoscopy alone (EA) was performed. The P-TAE patients underwent flow-reducing left gastric artery or gastroduodenal artery embolization according to the ulcer type. The rebleeding rate, complications, frequency of surgical interventions, transfused packed red blood cells (PRBC), amount of fresh frozen plasma (FFP), and mortality rate were analyzed.Results: From 738 patients with a bleeding peptic ulcer, 399 were at high risk for rebleeding after endoscopic hemostasis. From this cohort, 58 patients underwent P-TAE, and 341 were allocated to the EA. A significantly lower rebleeding rate was observed in the P-TAE group, 3.4% vs. 16.2% in the EA group;p= 0.005. The need for surgical intervention reached 10.3% vs. 20.6% in the P-TAE and EA groups accordingly;p= 0.065. Patients that underwent P-TAE required less FFP, 1.3 unit vs. 2.6 units in EA;p= 0.0001. The mortality rate was similar in groups with a tendency to decrease in the P-TAE group, 5.7% vs. 8.5% in EA;p= 0.417.Conclusion: P-TAE is a feasible and safe procedure, and it may reduce the rebleeding rate and the need for surgical intervention in patients with a bleeding peptic ulcer when the rebleeding risk remains high after primary endoscopic hemostasis.

5 February 2023 in Medicina
Verified
Journal Article
Open access
PDF file
ALAnna Marija Lescinska
Anna Marija Lescinska
ESElza Sondore
Elza Sondore
Margarita PtasnukaMargarita Ptasnuka
Margarita Ptasnuka
MMMaksims Mukāns
Maksims Mukāns
Haralds PlaudisHaralds Plaudis
Haralds Plaudis
Background and Objectives: Acute appendicitis is the most common abdominal emergency requiring surgery and it has an estimated lifetime risk of 6.7 to 8.6%. The COVID-19 pandemic has transformed medical care worldwide, influencing diagnostic tactics, treatment modalities and outcomes. Our study aims to compare and analyze management of acute appendicitis before and during the first and second waves of the pandemic. Materials and Methods: Patients suffering acute appendicitis were enrolled retrospectively in a single-center study for a 10-month period before the pandemic (pre-COVID-19 period: 1 March to 31 December 2019) and during the pandemic (COVID-19 period: 1 March to 31 December 2020). The total number of patients, disease severity, diagnostic methods, complications, length of hospitalization and outcomes were analyzed. Results: A total number of 863 patients were included, 454 patients in the pre-COVID-19 period and 409 patients in the COVID-19 period. Compared to the pre-COVID-19 period, the number of complicated appendicitis increased in the COVID-19 period (24.4% to 37.2%; p < 0.001). The proportion of laparoscopic appendectomies increased during the COVID-19 period but did not show statistically significant differences between periods. In both time periods, we found that open technique was the chosen surgical approach more frequently in elderly patients (p < 0.001). Generalized peritonitis was significantly more common during the COVID-19 period (3.5% vs. 6.1%, p < 0.001). The postoperative course of patients was similar in the pre-COVID-19 period and during the COVID-19 period, with no significant differences in ICU admissions, overall hospital stay or morbidity. Conclusions: The COVID-19 pandemic has led to a significant increase in complicated forms of acute appendicitis; however, no significant impact was observed in terms of diagnostic or treatment approach.

20 March 2023 in Frontiers in Surgery
Verified
Journal Article
Open access
Margarita PtasnukaMargarita Ptasnuka
Margarita Ptasnuka
ATArturs Truskovs
Arturs Truskovs
AOArturs Ozolins
Arturs Ozolins
ZNZenons Narbuts
Zenons Narbuts
MSMaris Sperga
Maris Sperga
HPHaralds Plaudis
Haralds Plaudis
Background: Although pancreatic neuroendocrine neoplasms (PNEN) are rare, there has been a constant increase in incidence. Furthermore, PNEN present unique clinical behaviors and long-term survival can be expected even in the presence of metastases as compared with ductal adenocarcinoma of the pancreas. Determining the best therapeutic approach and proper timing of therapy requires knowledge of reliable prognostic factors. Therefore, the aim of this study was to explore clinicopathological features, treatment, and survival outcomes of patients with PNEN based on Latvian gastroenteropancreatic neuroendocrine neoplasm (GEP-NEN) registry data.Method: Patients with confirmed PNEN at Riga East Clinical University Hospital and Pauls Stradins Clinical University Hospital, between 2008 and 2020, were retrospectively analyzed. Data were collected and included in EUROCRINE, an open-label international endocrine surgical registry.Results: In total, 105 patients were included. The median age at diagnosis was 64 years (IQR 53.0–70.0) for males and 61 years (IQR 52.5–69.0) for females. In 77.1% of patients, tumors were hormonally nonfunctional. Among those with functioning PNEN, 10.5% of patients presented with hypoglycemia and were diagnosed with insulinoma, 6.7% of patients presented with symptoms related to carcinoid syndrome; 30.5% of patients showed distant metastases at the time of diagnosis, and surgery was performed in 67.6% of patients. Notably, for five patients with nonfunctional PNEN <2 cm, a “watch and wait” approach was used; none of the patients developed metastatic disease. The median length of hospital stay was 8 days (IQR 5–13). Major postoperative complications were found in 7.0% of patients, and reoperation was conducted for 4.2% of patients, due to postpancreatectomy bleeding (2/71) and abdominal collection (1/71). The median follow-up period was 34 months (IQR 15.0–68.8). The OS at the last follow-up was 75.2% (79/105). The observed 1-, 5- and 10-year survival rates were 87.0, 71.2 and 58.0, respectively. Seven of the surgically treated patients had tumor recurrence. The median time of recurrence was 39 months (IQR 19.0–95.0). A univariable Cox proportional hazard analysis provided evidence that a nonfunctional tumor, a larger tumor size, the presence of distant metastases, a higher tumor grade, and the tumor stage were strong, negative predictors of OS.Conclusion: Our study represents the general trends of clinicopathological features and treatment of PNEN in Latvia. For PNEN patients, tumor functionality, size, distant metastases, grade, and stage may be useful to predict OS and must be confirmed in further studies. Furthermore, a “surveillance” strategy might be safe for selected patients with small asymptomatic PNEN.

6 January 2026 in Journal of Clinical Medicine
Verified
Journal Article
Open access
PDF file
Margarita PtasnukaMargarita Ptasnuka
Margarita Ptasnuka
ILIta Lazdane
Ita Lazdane
VFVladimir Fokin
Vladimir Fokin
OKOksana Kolesova
Oksana Kolesova
Haralds PlaudisHaralds Plaudis
Haralds Plaudis
Background: Percutaneous cholecystostomy (PC) is an effective, minimally invasive treatment for patients with acute cholecystitis (AC) who are at high surgical risk and may be used as a bridge to surgery in critically ill patients. This study aimed to evaluate the safety of PC in patients with AC over a 10-year period. Methods: Patients who underwent PC for AC at our institution between January 2013 and May 2023 were included. Patients were categorised into the definitive and bridging PC groups. Clinical characteristics, procedure-related complications, recurrence, and overall survival were analysed. Statistical analyses were used to identify in-hospital mortality-related risk factors. Results: A total of 449 patients were included, and 89.5% had an ASA score ≥ 3. The median time to PC was 1 day, and 17.6% of patients required ICU admission. Drainage tube-related complications occurred in 37 (8.2%) patients. The median drainage and hospital stay durations were 9 (IQR 6–14) and 12 (IQR 9–15) days, respectively. During follow-up, recurrent AC was observed in 34 (7.6%), with a median time to recurrence of 63 (IQR 29–312) days. PC was the definitive treatment in 275 (61.2%) patients. The overall mortality rate was 5.3% (n = 24), with no deaths related to the drainage procedure. Sepsis on admission was an independent risk factor related to in-hospital mortality. Conclusions: Our findings confirmed that PC is a safe and effective treatment alternative for managing AC in high-risk patients with low complication and mortality rates.

11 October 2019 in World Journal of Surgery
Verified
Journal Article
Closed access
PDF file
Margarita PtasnukaMargarita Ptasnuka
Margarita Ptasnuka
AOArturs Ozolins
Arturs Ozolins
ZNZenons Narbuts
Zenons Narbuts
ATArturs Truskovs
Arturs Truskovs
MSMaris Sperga
Maris Sperga
HPHaralds Plaudis
Haralds Plaudis