1. Percutaneous mechanical thrombectomy in patients with high-risk pulmonary embolism and contraindications for thrombolytic therapyMatjaž Bunc, Klemen Steblovnik, Simona Kržišnik-Zorman, Peter Popović, 2020, izvirni znanstveni članek Povzetek: Background. High-risk pulmonary embolism is associated with a high early mortality rate. We report our experience with percutaneous mechanical thrombectomy in patients with high-risk pulmonary embolism and contraindications for thrombolytic therapy.Patients and methods. This was a retrospective analysis of consecutive patients with high-risk pulmonary embolism and contraindications to thrombolytic therapy. They were treated with percutaneous mechanical thrombectomy which included thrombectomy and additional thrombus aspiration when needed. Clinical parameters and survival to discharge were measured. Results. From November 2005 to September 2015 we treated 25 patients with a mean age of 62.6 +- 12.7 years, 64% were men. Mean simplified Pulmonary Embolism Severity Index was 2.9. Mean maximum lactate levels were 7.8 +- 6.6 mmol/L, vasopressors were used in 77%, and 59% needed mechanical ventilation. Mechanical treatment included thrombus fragmentation complemented with aspiration (56%) and aspiration using Aspirex S catheter (44%). Local (5 patients; 20%) and systemic (3 patients; 12%) thrombolytics were used as a salvage therapy. We observed nonsignifi-cant improvements in systemic blood pressure (100 +- 41 mm Hg vs 119 +- 34; p = 0.100) and heart frequency (99 +- 35 min-1vs 87 +- 31 min-1; p = 0.326) before and after treatment, respectively. Peak systolic tricuspid pressure gradient was significantly lower after treatment (57 +- 14 mm Hg vs 31 +- 3 mm Hg; p = 0.018). Overall the procedure was technically successful in 20 patients (80%) and 17 patients (68%) survived to hospital discharge. Conclusions. In patients with high-risk pulmonary embolism who cannot receive thrombolytic therapy, percutaneous mechanical thrombectomy is a promising alternative to reduce pulmonary artery pressure.
Ključne besede: high-risk pulmonary embolism, treatment, percutaneous mechanical thrombectomy
Objavljeno v DiRROS: 16.07.2024; Ogledov: 16; Prenosov: 5
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2. Percutaneous image guided electrochemotherapy of hepatocellular carcinoma : technological advancementMihajlo Djokić, Rok Dežman, Maja Čemažar, Miha Štabuc, Miha Petrič, Lojze Šmid, Rado Janša, Boštjan Plešnik, Maša Omerzel, Urša Lampreht Tratar, Blaž Trotovšek, Bor Kos, Damijan Miklavčič, Gregor Serša, Peter Popović, 2020, izvirni znanstveni članek Povzetek: Background. Electrochemotherapy is an effective treatment of colorectal liver metastases and hepatocellular carcinoma (HCC) during open surgery. The minimally invasive percutaneous approach of electrochemotherapy has already been performed but not on HCC. The aim of this study was to demonstrate the feasibility, safety and effectiveness of electrochemotherapy with percutaneous approach on HCC. Patient and methods. The patient had undergone the transarterial chemoembolization and microwave ablation of multifocal HCC in segments III, V and VI. In follow-up a new lesion was identified in segment III, and recognized by multidisciplinary team to be suitable for minimally invasive percutaneous electrochemotherapy. The treatment was performed with long needle electrodes inserted by the aid of image guidance. Results. The insertion of electrodes was feasible, and the treatment proved safe and effective, as demonstrated by control magnetic resonance imaging. Conclusions. Minimally invasive, image guided percutaneous electrochemotherapy is feasible, safe and effective in treatment of HCC.
Ključne besede: electrochemotherapy, hepatocellular carcinoma, percutaneous, minimally invasive
Objavljeno v DiRROS: 12.07.2024; Ogledov: 64; Prenosov: 12
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3. Computed tomographic perfusion imaging for the prediction of response and survival to transarterial chemoembolization of hepatocellular carcinomaPeter Popović, Ana Leban, Klara Kregar, Manca Garbajs, Rok Dežman, Matjaž Bunc, 2018, izvirni znanstveni članek Ključne besede: hepatocellular carcinoma, computed tomography perfusion imaging, drug-eluting beads transarterial chemoembolization, response to treatment, survival
Objavljeno v DiRROS: 11.06.2024; Ogledov: 219; Prenosov: 68
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5. Analysis of risk factors for perifocal oedema after endovascular embolization of unruptured intracranial arterial aneurysmsSnezana Lukic, Slobodan Janković, Katarina Šurlan Popović, Dušan Dragič Banković, Peter Popović, Milan Mijailović, 2015, izvirni znanstveni članek Ključne besede: intracranial aneurysms, enovascular embolization, perianeurysmal oedema, hypertension
Objavljeno v DiRROS: 16.04.2024; Ogledov: 215; Prenosov: 77
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8. Interventional radiological management of complications in renal transplantationPeter Popović, Katarina Šurlan Popović, 2004, pregledni znanstveni članek Povzetek: Background. The most frequent radiologically evaluated and treated complications in renal transplantation are perirenal and renal fluid collection and abnormalities of the vasculature and collecting system. Renal and perirenal fluid collection is usually treated successfully with percutaneous drainage. Doppler US, MRA and digital subtraction angiography (DSA) are most important in the evaluation of vascular complications of renal transplantation and management of the endovaseular therapy. Conclusions. Stenosis, the most common vascular complication, occurs in 1% to 12% of transplanted renal arteries and represents a potentially curable cause of hypertension following transplantation and/or renal dysfunction. Treatment with percutaneous transluntinal renal angioplasty (PTRA) or PTRA with stent has been technically successful in 82 to 92% of the cases, and graft salvage rate has ranged from 80-100%. Complications such as arterial and vein thrombosis are uncommon. Intrarenal A/V fistulas and pseudoaneurysms are occasionally seen after biopsy, the treatment reguires superselective embolisation. Urologic complications are relatively uncommon; they consist predominantly of the urinary leaks and urethral obstruction. Interventional treatment consists of percutaneous nephrostomy, balloon dilation, insertion ofthe double J stents, metallic stent placement and external drainage of the extrarenal collections. The aim of the paper is to review the role of interventional radiology in the management of complications in renal transplantation.
Objavljeno v DiRROS: 13.02.2024; Ogledov: 244; Prenosov: 66
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9. Radiologic imaging of acute pancreatitisMojca Glušič, Erika Brenčič, Peter Popović, 2004, strokovni članek Povzetek: Background. Acute pancreatitis comprises a broad spectrum of inflammatory changes in the gland and has a variety of causes. The most common are alcoholism and biliary tract disease. This paper discusses the current concepts of diagnosis and the relationship between morphology as depieted by imaging, pancreatic function tests and treatment planning. Conclusions. Our understanding of the morphologic changes produced by the inflammatory process has expanded in the last decade as more sophisticated imaging techniques have been used for evaluation.
Objavljeno v DiRROS: 13.02.2024; Ogledov: 233; Prenosov: 65
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10. Long-term survival of a patient with liver metastases from clear cell gastric adenocarcinoma after multimodality treatment including interventional oncology techniques : case reportVesna Jugovec, Jernej Benedik, Jera Jeruc, Peter Popović, 2022, drugi znanstveni članki Povzetek: Background: Gastric cancer (GC) is the fourth most common cancer and the third leading cancer-related cause of death worldwide since most patients are diagnosed at an advanced stage. The majority of GCs are adenocarcinomas (ACs), and the poorly characterized clear cell AC represents a unique subgroup of GCs and is an independent marker of poor prognosis. Even though the prognosis for patients with advanced GC is poor we present a report of a patient with long-term survival despite having liver metastases from clear cell gastric AC. Case presentation: A 45-year-old male with clear cell gastric AC underwent subtotal gastrectomy and postoperative chemoradiation. Only a year and a half after his initial treatment the disease spread to his liver. He received two lines of chemotherapy treatment within the next two years before a right hepatectomy was suggested. Due to an initially insufficient future liver remnant (FLR), transarterial chemoembolization (TACE) and portal vein embolization (PVE) were performed, which made the surgical procedure possible. Shortly after a disease progression in the remaining liver was detected. In the following three years the patient was treated with a carefully planned combination of systemic therapy and different interventional oncology techniques including selective internal radiation therapy (SIRT) and TACE. And as illustrated, an attentive, patient-tailored, multimodality treatment approach can sometimes greatly benefit our patients as he had an overall survival of 88 months despite the poor prognosis of his disease. Conclusion: To the best of our knowledge, this report is the first to describe a patient with liver metastases from clear cell gastric AC treated with interventional oncology techniques (PVE, TACE, and SIRT) in combination with other locoregional and systemic therapies thereby presenting that these interventional oncology techniques can be successfully integrated into long-term management of non-conventional liver tumors.
Ključne besede: gastric adenocarcinoma, survival, multimodality treatment
Objavljeno v DiRROS: 15.09.2022; Ogledov: 517; Prenosov: 331
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