ABSTRACT

BACKGROUND: The natural history of patients with a pacemaker-related upper-extremity deep vein thrombosis (UEDVT) has not been consistently studied.

METHODS: We used the RIETE registry data to compare the outcomes during anticoagulation and after its discontinuation in noncancer patients with symptomatic UEDVT associated with a pacemaker, other catheters, or no catheter. The major outcome was the composite of symptomatic pulmonary embolism or recurrent DVT.

RESULTS: As of February 2022, 2578 patients with UEDVT were included: 156 had a pacemaker-related UEDVT, 557 had other catheters, and 1865 had no catheter. During anticoagulation, 61 patients (2.3%) developed recurrent VTE, 38 had major bleeding (1.4%), and 90 died (3.4%). After its discontinuation, 52 patients (4.4%) had recurrent acute venous thromboembolism (VTE) and six had major bleeding (0.5%). On multivariable analysis, there were no differences among subgroups in the rates of VTE recurrences or major bleeding during anticoagulation. After its discontinuation, patients with a pacemaker-related UEDVT had a higher risk for VTE recurrences than those with no catheter (adjusted OR: 4.59; 95% CI: 1.98-10.6).

CONCLUSIONS: Patients with pacemaker-related UEDVT are at increased risk for VTE recurrences after discontinuing anticoagulation. If our findings are validated in adequately designed trials, this may justify changes in the current recommendations on the duration of anticoagulation.

PMID:37272085 | DOI:10.1177/1358863X231175185

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PubMed articles on: Cancer & VTE/PE

Body Mass Index (BMI) Related Morbidity with Thyroid Surgery

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PubMed articles on: Cancer & VTE/PE

D-dimer testing: A narrative review

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PubMed articles on: Cardio-Oncology

Direct Oral Anticoagulants for Cancer-Associated Venous Thromboembolism

Curr Oncol Rep. 2023 Jun 6. doi: 10.1007/s11912-023-01428-y. Online ahead of print.

ABSTRACT

PURPOSE OF REVIEW: To present the randomized controlled trial (RCT) evidence and highlight the areas of uncertainty regarding direct oral anticoagulants (DOAC) for cancer-associated venous thromboembolism (CAT).

RECENT FINDINGS: In the last years, four RCTs have shown that rivaroxaban, edoxaban, and apixaban are at least as effective as low-molecular-weight heparin (LMWH) for the treatment of both incidental and symptomatic CAT. On the other hand, these drugs increase the risk of major gastrointestinal bleeding in patients with cancer at this site. Another two RCTs have demonstrated that apixaban and rivaroxaban also prevent CAT in subjects at intermediate-to-high risk commencing chemotherapy, albeit at the price of higher likelihood of bleeding. By contrast, data are limited about the use DOAC in individuals with intracranial tumors or concomitant thrombocytopenia. It is also possible that some anticancer agents heighten the effects of DOAC via pharmacokinetic interactions, up to making their effectiveness-safety profile unfavorable. Leveraging the results of the aforementioned RCTS, current guidelines recommend DOAC as the anticoagulants of choice for CAT treatment and, in selected cases, prevention. However, the benefit of DOAC is less defined in specific patient subgroups, in which the choice of DOAC over LMWH should be carefully pondered.

PMID:37278934 | DOI:10.1007/s11912-023-01428-y

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PubMed articles on: Cardio-Oncology

Cardiac Mechanical Performance Assessment at Different Levels of Exercise in Childhood Acute Lymphoblastic Leukemia Survivors

J Pediatr Hematol Oncol. 2023 May 16. doi: 10.1097/MPH.0000000000002682. Online ahead of print.

ABSTRACT

BACKGROUND: There is a shortage of relevant studies interested in cardiac mechanical performance. Thus, it is clinically relevant to study the impact of cancer treatments on survivors' cardiac mechanical performance to improve our knowledge. The first objective of this study is to assess survivors' cardiac mechanical performance during a cardiopulmonary exercise test (CPET) using both ventricular-arterial coupling (VAC) and cardiac work efficiency (CWE) from cardiac magnetic resonance (CMR) acquisitions. The second objective is to assess the impact of doxorubicin and dexrazoxane (DEX) treatments.

METHODS: A total of 63 childhood acute lymphoblastic leukemia survivors underwent a CMR at rest on a 3T magnetic resonance imaging system, followed by a CPET on ergocycle. The CircAdapt model was used to study cardiac mechanical performance. At different levels of exercise, arterial elastance, end-systolic elastance, VAC, and CWE were estimated.

RESULTS: We observed significant differences between the different levels of exercise for both VAC (P<0.0001)

CONCLUSIONS: This study reveals that the combination of CPET, CMR acquisitions and CircAdapt model was sensitive enough to observe slight changes in the assessment of VAC and CWE parameters. Our study contributes to improving survivors' follow-up and detection of cardiac problems induced by doxorubicin-related cardiotoxicity.

PMID:37278566 | DOI:10.1097/MPH.0000000000002682

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PubMed articles on: Cardio-Oncology

Late-stage diagnosis of carcinoid heart disease due to lack of access to health care

Cardiooncology. 2023 Jun 5;9(1):28. doi: 10.1186/s40959-023-00176-z.