ABSTRACT

INTRODUCTION: Although the effect of rectal indomethacin in post-endoscopic retrograde cholangiopancreatography pancreatitis is well established, the effect of aspirin on acute pancreatitis (AP) is not well studied. We investigate the effect of aspirin on AP.

METHODS: We collected data from the National Inpatient Sample database from 2016 to 2020, to identify adult patients with acute pancreatitis. Patients were stratified into 2 groups, based on the presence of aspirin use. The primary outcome was mortality, while other outcomes were sepsis, shock, acute kidney injury (AKI), ICU admission, deep venous thrombosis (DVT), pulmonary embolism (PE), portal vein thrombosis (PVT), pseudocyst and ileus.

RESULTS: A total of 2.09 million patients met the inclusion criteria, of which 197 170 (9.41%) had long-term aspirin use. The majority of the patients with aspirin use were aged >65 years, male, White and had Medicare insurance. There was a higher incidence of biliary pancreatitis while rates of alcohol-induced pancreatitis were lower in patients with aspirin use. There was a lower incidence of mortality, sepsis, shock, PE, DVT, PVT and pseudocyst in patients with aspirin use. There was no difference in the incidence of ileus, while the incidence of AKI was higher. After adjusting for confounding factors, patients with aspirin use had a 23.6% lower risk of mortality.

DISCUSSION: Our results reveal a significant finding of aspirin's protective effect on AP in the US population. Our study is the largest study revealing an association between aspirin and AP. Further studies assessing the role of aspirin use in AP are warranted.

PMID:37272503 | DOI:10.1097/MEG.0000000000002578

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PubMed articles on: Cancer & VTE/PE

Prevention of venous thromboembolism in patients with cancer

BMJ. 2023 Jun 1;381:e072715. doi: 10.1136/bmj-2022-072715.

ABSTRACT

Venous thromboembolism (VTE) is a major cause of both morbidity and mortality in patients with cancer. Venous thromboembolism, which includes both deep vein thrombosis and pulmonary embolism, affects a sizable portion of patients with malignancy and can have potentially life threatening complications. Accurate assessment of risk as well as diagnosis and treatment of this process is paramount to preventing death in this high risk population. Various risk models predictive of venous thromboembolism in patients with cancer have been developed, and knowledge of these rubrics is essential for the treating oncologist. Subgroups of particular interest are inpatients receiving chemotherapy, postoperative patients after surgical debulking, and patients undergoing radiotherapy. Numerous newer drugs have become available for the prevention of venous thromboembolism in patients with cancer who are at high risk of developing the disease. These include the class of drugs called direct oral anticoagulants, (DOACs) which do not require the same monitoring that other modalities have previously required and are taken by mouth, preventing the discomfort associated with subcutaneous strategies. The appropriate risk stratification and intervention to prevent venous thromboembolism are vital to the treatment of patients with cancer.

PMID:37263632 | DOI:10.1136/bmj-2022-072715

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PubMed articles on: Cancer & VTE/PE

Role of 18F-FDG PET/CT in the diagnosis of benign vs. malignant tumor thrombus

Nucl Med Commun. 2023 Jun 5. doi: 10.1097/MNM.0000000000001708. Online ahead of print.

ABSTRACT

PURPOSE: Hypercoagulable state is a complication of various infections, and inflammatory processes and is a common scenario in cancer patients also. Timely diagnosis and treatment are essential to reduce further complications in such patients. The present study aimed to assess the role of FDG PET/CT in the diagnosis of benign vs. malignant tumor thrombus and to determine cut-off SUVmax to differentiate them.

PATIENTS AND METHODS: We retrospectively reviewed all FDG PET/CT scans of patients done in our department from January 2017 to March 2022. All scans were reviewed by two experienced nuclear medicine physicians. A total of 135 patients who had venous or arterial thrombus in FDG PET/CT scans were included. All the FDG PET/CT scans of 135 patients were analyzed for primary tumor site and/or site of thrombus. Additional clinical data were collected for patients with benign conditions in the form of ESR and CRP if available and doubtful cases were followed up by HPE reports and/or CEMRI. The SUV max of the primary tumor(in cancer patients), thrombus, and background (aorta) were calculated.

RESULTS: A total of 135 patients (108 cancer patients and 27 with benign thrombus) were included with an age range of 3 to 86 years (median 50 years). There were 91 males and 44 females. Of 108 cancer patients, the most common cancers were hepatocellular cancer - 38 (35.18%), renal cell cancer - 28(25.92%), and carcinoma of the thyroid - 6 (5.55%). Of 108 cancer patients, 36 (33.33%) had tumor thrombosis in inferior vena cava, 31 (28.70%) in the portal vein, and 41 (37.96%) in other vessels (renal vein, jugular vein, etc.). Of 27 patients with benign conditions,13 had venous thrombi, 11 had arterial thrombus and three had atrial thrombus and the most common thrombus sites were thoraco-abdominal aorta in seven (25.92%) and right atrium in three (11.11%) patients. In the subgroup of 108 oncological patients, the mean SUV max of the primary tumors was 17.67 (range 2.1-91.0; median 10.82), thrombi were 17.61 (range 2.14-90.11; median 14.56) and background was 5.29 (range 0.29-25.00; median 3.12). Of 27 patients with benign conditions, the mean SUV max of the thrombi was 11.09 (range 1.98-31; median 8.10) and the background was 9.80 (range 1.46-24.50; median 10.20) The ESR was raised in 13 of 26 patients (mean 35.84, range 10.98-62.00, median 35.00) and CRP was raised 22 of 26 patients (mean11.46, range 3.45-24.50, median 20.40). Upon plotting the receiver operating curve, a cutoff SUV max of 12.7 with a sensitivity of 62.96% and specificity of 77.77% was produced to demarcate tumor thrombus from benign thrombus.

CONCLUSION: FDG PET/CT plays a significant role in the detection of thrombo-embolic disease and can differentiate benign thrombus from tumor thrombus.

PMID:37272295 | DOI:10.1097/MNM.0000000000001708

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PubMed articles on: Cancer & VTE/PE

Risk for recurrence of symptomatic upper-extremity deep vein thrombosis in patients without cancer: Analysis of three RIETE cohorts

Vasc Med. 2023 Jun 5:1358863X231175185. doi: 10.1177/1358863X231175185. Online ahead of print.