Faculty of Medicine

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Failure rate of the pulmonary embolism rule-out criteria rule for adults 35 years or younger: Findings from the RIETE Registry
(Wiley (United States), 2025)
Jossein T,
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Mazzolai L,
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Lorenzo Hernández A,
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Rivas Guerrero A,
Background The use of a computed tomography pulmonary angiogram to diagnose pulmonary embolism (PE) has increased, leading not only to higher PE diagnoses but also to overdiagnosis and unnecessary radiation exposure, even in young patients despite a lower PE incidence. The aim of this study was to assess the failure rate of the pulmonary embolism rule-out criteria 35 (PERC-35) rule developed to reduce unnecessary testing in individuals aged ≤35 years among patients included in the Registro Informatizado de la Enfermedad TromboEmbolica Venosa (RIETE) Registry. Methods This retrospective cohort study used data from the RIETE Registry, an ongoing, international prospective registry of patients with objectively confirmed venous thromboembolism. The primary outcome was the missed PE rate using PERC-35 criteria. Secondary outcomes included the comparison of demographic and clinical characteristics, PE localization, treatment strategies, and outcomes between PERC-negative (PERC-35N) versus PERC-positive (PERC-35P) patients. Results Of 58,918 adult patients with acute PE, the PERC-35 rule demonstrated a low missed PE rate of 0.35% (n = 204), with an upper 95% confidence interval [CI] of 0.40%. The missed rate was 7.0% (95% CI 6.0%–7.9%) in the 18- to 35-year subgroup. Compared to PERC-35P patients, PERC-35N patients were younger (mean age 28.4 years), with a lower body mass index, and included a higher proportion of pregnant/postpartum women. PERC-35N patients had a significantly lower rate of chronic diseases and presented less frequently with dyspnea or syncope but more often with chest pain. They showed lower rates of positive D-dimer and troponin levels. PERC-35N patients experienced fewer major bleeding episodes, similar recurrence rates of PE/deep vein thrombosis, and no deaths during anticoagulation. Conclusions The PERC-35 rule demonstrated a low failure rate to exclude PE in patients aged 18–35 years and could reduce imaging and radiation exposure in young patients with a low PE pretest probability if confirmed prospectively.
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Special Conditions in Venous Thrombembolism - Case Series
(Macedonian Academy of Sciences and Arts/Walter de Gruyter GmbH, 2019-10-01)
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Klincheva, Milka
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Venous thromboembolism (VTE), including deep vein thrombosis (DVT) and pulmonary embolism (PE), is a preventable cause of in-hospital death, and one of the most prevalent vascular diseases. There is a lack of knowledge with regards to contemporary presentation, management, and outcomes of patients with VTE. Many clinically important subgroups (including the elderly, those with recent bleeding, renal insufficiency, disseminated malignancy or pregnant patients) have been under-represented in randomized clinical trials. We still need information from real life data (as example RIETE). The paper presents case series with VTE in special conditions, including cancer associated thrombosis, malignant homeopathies, as well in high risk population.
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Special Conditions in Venous Thrombembolism – Case Series
(Macedonian Academy of Sciences and Arts, 2019-10-01)
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Klincheva, Milka
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Venous thromboembolism (VTE), including deep vein thrombosis (DVT) and pulmonary embolism (PE), is a preventable cause of in-hospital death, and one of the most prevalent vascular diseases. There is a lack of knowledge with regards to contemporary presentation, management, and outcomes of patients with VTE. Many clinically important subgroups (including the elderly, those with recent bleeding, renal insufficiency, disseminated malignancy or pregnant patients) have been under-represented in randomized clinical trials. We still need information from real life data (as example RIETE). The paper presents case series with VTE in special conditions, including cancer associated thrombosis, malignant homeopathies, as well in high risk population.
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FREQUENCY OF GENETIC VARIANTS ASSOCIATED WITH CORONARY ARTERY DISEASE AND VENOUS THROMBOEMBOLISM IN YOUNG PATIENTS IN REPUBLIC OF N. MACEDONIA
(Faculty of Medicine, Ss. Cyril and Methodius University in Skopje, 2022)
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Clinical Characteristics and Outcomes of Patients with Lung Cancer and Venous Thromboembolism
(2018)
Ruiz-Artacho P,
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Trujillo-Santos J,
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López-Jiménez L,
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Font C,
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Díaz-Pedroche MDC,
Background The natural history of patients with lung cancer and venous thromboembolism (VTE) has not been consistently evaluated. Methods We used the RIETE (Registro Informatizado Enfermedad TromboEmbólica) database to assess the clinical characteristics, time course, and outcomes during anticoagulation of lung cancer patients with acute, symptomatic VTE. Results As of May 2017, a total of 1,725 patients were recruited: 1,208 (70%) presented with pulmonary embolism (PE) and 517 with deep vein thrombosis (DVT). Overall, 865 patients (50%) were diagnosed with cancer <3 months before, 1,270 (74%) had metastases, and 1,250 (72%) had no additional risk factors for VTE. During anticoagulation (median, 93 days), 166 patients had symptomatic VTE recurrences (recurrent DVT: 86, PE: 80), 63 had major bleeding (intracranial 11), and 870 died. The recurrence rate was twofold higher than the major bleeding rate during the first month, and over threefold higher beyond the first month. Fifty-seven patients died of PE and 15 died of bleeding. Most fatal PEs (84%) and most fatal bleeds (67%) occurred within the first month of therapy. Nine patients with fatal PE (16%) died within the first 24 hours. Of 72 patients dying of PE or bleeding, 15 (21%) had no metastases and 29 (40%) had the VTE shortly after surgery or immobility. Conclusion Active surveillance on early signs and/or symptoms of VTE in patients with recently diagnosed lung cancer and prescription of prophylaxis in those undergoing surgery or during periods of immobilization might likely help prevent VTE better, detect it earlier, and treat it more efficiently.
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Sex Differences in Patients With Occult Cancer After Venous Thromboembolism.
(2018)
Jara-Palomares L,
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Otero R,
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Jiménez D,
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Praena-Fernández JM,
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Rivas A,
In patients with venous thromboembolism (VTE), male sex has been associated with an increased risk of occult cancer. The influence of sex on clinical characteristics, treatment, cancer sites, and outcome has not been thoroughly investigated yet. We used the Registro Informatizado Enfermedad TromboEmbólica registry to compare the clinical characteristics, treatment strategies, cancer sites, and clinical outcomes in patients with VTE having occult cancer, according to sex. As of June 2014, 5864 patients were recruited, of whom 444 (7.6%; 95% confidence interval: 6.8-8.2) had occult cancer. Of these, 246 (55%) were men. Median time elapsed from VTE to occult cancer was 4 months (interquartile range: 2-8.4), with no sex differences. Women were older, weighed less, and were less likely to have chronic lung disease than men. The most common cancer sites were the lung (n = 63), prostate (n = 42), and colorectal (n = 29) in men and colorectal (n = 38), breast (n = 23), uterine (n = 18), hematologic (n = 17), or pancreas (n = 15) in women. Men were more likely to have lung cancer than women (2.18% vs 0.30%; P < .01) and less likely to have pancreatic cancer (0.17% vs 0.5%; P = .03). Interestingly, breast cancer was more likely found in women aged ≥50 years than in those aged <50 years (0.97% vs 0.14%; P = .03). This study highlights the existence of sex differences in patients with VTE having occult cancer. One in every 2 men had lung, prostate, or colorectal cancer. In women, there is a heterogeneity of cancer sites, increasing risk of breast cancer in those aged >50 years.
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Development of a Risk Prediction Score for Occult Cancer in Patients With VTE
(Elsevier, 2016)
Jara-Palomares L,
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Otero R,
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Jimenez D,
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Carrier M,
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Tzoran I,
Background: The benefits of a diagnostic workup for occult cancer in patients with VTE are controversial. Our aim was to provide and validate a risk score for occult cancer in patients with VTE. Methods: We designed a nested case-control study in a cohort of patients with VTE included in the RIETE (Registro Informatizado Enfermedad TromboEmbólica) registry from 2001 to 2014. Cases included cancer detected beyond the first 30 days and up to 24 months after VTE. Control subjects were defined as patients with VTE with no cancer in the same period. Results: Of 5,863 eligible patients, 444 (7.6%; 95% CI, 6.8%-8.2%) were diagnosed with occult cancer. On multivariable analysis, variables selected were male sex, age > 70 years, chronic lung disease, anemia, elevated platelet count, prior VTE, and recent surgery. We built a risk score assigning points to each variable. Internal validity was confirmed using bootstrap analysis. The proportion of patients with cancer who scored ≤ 2 points was 5.8% (241 of 4,150) and that proportion in those who scored ≥ 3 points was 12% (203 of 1,713). We also identified scores divided by sex and age subgroups. Conclusions: This is the first risk score that has identified patients with VTE who are at increased risk for occult cancer. Our score needs to be externally validated.
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Real-life treatment of venous thromboembolism with direct oral anticoagulants: The influence of recommended dosing and regimens
(Thieme Medical Publishers, 2017)
Trujillo-Santos J
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Di Micco P
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Dentali F
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Douketis J
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Díaz-Peromingo JA
In patients with venous thromboembolism (VTE), the influence on outcome of using direct oral anticoagulants (DOACs) at non-recommended doses or regimens (once vs twice daily) has not been investigated yet. We used the RIETE (Registro Informatizado Enfermedad TromboEmbólica) registry to compare the outcomes in patients with VTE receiving DOACs according to the recommendations of the product label versus in those receiving non-recommended doses and/or regimens. The major outcomes were the rate of VTE recurrences, major bleeding and death during the course of therapy. As of March 2016, 1635 VTE patients had received DOACs for initial therapy and 1725 for long-term therapy. For initial therapy, 287 of 1591 patients (18 %) on rivaroxaban and 22 of 44 (50 %) on apixaban did not receive the recommended therapy. For long-term therapy, 217 of 1611 patients (14 %) on rivaroxaban, 29 of 81 (36 %) on apixaban and 15 of 33 (46 %) on dabigatran did not receive the recommended therapy. During the course of therapy with DOACs, eight patients developed VTE recurrences, 14 had major bleeding and 13 died. Patients receiving DOACs at non-recommended doses and/or regimens experienced a higher rate of VTE recurrences (adjusted HR: 10.5; 95 %CI: 1.28-85.9) and a similar rate of major bleeding (adjusted HR: 1.04; 95 %CI: 0.36-3.03) or death (adjusted HR: 1.41; 95 %CI: 0.46-4.29) than those receiving the recommended doses and regimens. In our cohort, a non-negligible proportion of VTE patients received non-recommended doses and/or regimens of DOACs. This use may be associated with worse outcomes.
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Acute Pulmonary Thromboembolism – Use of Fibrinolysis to Treat a Hemodynamically Unstable Patient in the Era of the COVID-19 Pandemic: A Case Report
(Medical Publishing, d.o.o., 2021-06)
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Taravari, Hayber
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Beqiri, Ardiana
Pulmonary embolism (PE) is a common and potentially fatal condition. Despite advances in diagnostic procedures, late detection and non-detection of this condition is also not uncommon. In patients with PE, recurrent embolisms and death can be prevented with prompt diagnosis and adequate treatment. Due to presentation with a non-specific clinical picture and symptomatology, unfortunately almost one third of the patients remain undiagnosed and untreated. We know that there is a large difference in outcome between treated and untreated patients with PE (25-30% mortality in untreated and 2-8% in treated patients). We present a case of PE in the era of the COVID-19 pandemic in an adult patient with acute dyspnea, vomiting, presyncope, chest pain, and shock.
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PLUCNA EMBOLIJA U BOLESNIKA S LEIDENOVOM TROMBOFILIJOM FAKTORA V I PSORIJAZOL: PRIKAZ SLUCAJ.
(Association of pulmologists from Republika Srpska, 2023-05)
Baloski Marjan
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Bushev Jane
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Brishkoska-Boshkovski Vesna
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Hasan Taner
Cilj: Genetski faktori rizika pove!avaju rizik venske tromboembolije. Poremecaji u sintezi ili aktivnosti faktora koagulacije. Faktor V Leiden, protrombin (20210-A), antitrombinski deficit, deficit proteina C i proteina S i hiperhomocisteinemija najcesce su mutacije gena povezanih sa venskim tromboembolijom . Uvod : Psorijaza i prisutvo mutacije trombofilnih gena povecava rizik venske tromboembolije. Prethodna venska tromboembolija je jedan od najjacih faktora rizika, cak i kod pacijenata koji su aktivno leceni antikoagulansom. Psorijaza je kompleksna imuno posredovana bolest, povezana sa kardiovaskularnim rizikom, markerima hiperkoagulabilnosti i povisenim homocisteinom. Mnogo izvjestaja o opservacijama sugerira povecanu ucestalost venskih trombembolickih dogadaja kod pacijenata sa psorijazom. Nalazi: Prikazujemo bolesnika s nasljednom trombofilijom i kronicnom difuznom psorijazom kompliciranom plu!nom embolijom. Analiza DNK ukazuje na prisutnost homozigoze za mutaciju faktora V Leidena. Dermatoloska anamneza je pozitivna na psorijazu. Zaklju!ak: Prikaz ovog slucaja ukazuje na povezanost venske tromboembolije i psorijaze. Pacijenti sa naslednom trombofilijom, psorijazom I plucnim tromboembolizmom, imaju visoki rizik od razvoj venske tromboembolije.

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