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Title: Hypercoagulability status, operative mortality, and long-term survival in patients operated on for mesenteric venous thrombosis
Authors: Acosta Mérida, María Asunción 
Ortiz López, David 
Suárez-Cabrera, Aurora
Pelloni, María
Rahy Martín, Aída Cristina 
Bañolas-Suárez, Raquel
Marchena Gómez, Joaquín 
UNESCO Clasification: 32 Ciencias médicas
321317 Cirugía vascular
Keywords: Hypercoagulability
Intestinal Ischemia
Mesenteric Venous Thrombosis
Prognostic Factors
Issue Date: 2023
Journal: Journal of Vascular Surgery: Venous and Lymphatic Disorders 
Abstract: Objective: Mesenteric venous thrombosis (MVT) is a rare cause of acute surgical abdomen, with high mortality. The aim of this study was to analyze long-term outcomes and possible factors influencing its prognosis. Methods: All patients who underwent urgent surgery for MVT from 1990 to 2020 in our center were reviewed. Epidemiological, clinical, and surgical data; postoperative outcomes; origin of thrombosis; and long-term survival were analyzed. Patients were divided into two groups: primary MVT (hypercoagulability disorders or idiopathic MVT) and secondary MVT (underlying disease). Results: Fifty-five patients, 36 (65.5%) men and 19 (34.5%) women, mean age 66.7 years (standard deviation: ±18.0 years), underwent surgery for MVT. Arterial hypertension (63.6%) was the most prevalent comorbidity. Regarding the possible origin of MVT, 41 (74.5%) patients had primary MVT and 14 (25.5%) patients had secondary MVT. From these, 11 (20%) patients had hypercoagulable states, 7 (12.7%) had neoplasia, 4 (7.3%) had abdominal infection, 3 (5.5%) had liver cirrhosis, 1 (1.8%) patient had recurrent pulmonary thromboembolism, and 1 (1.8%) had deep venous thrombosis. Computed tomography was diagnostic of MVT in 87.9% of the cases. Intestinal resection was performed in 45 patients due to ischemia. Only 6 patients (10.9%) had no complication, 17 patients (30.9%) presented minor complications, and 32 patients (58.2%) presented severe complications according to the Clavien-Dindo classification. Operative mortality was 23.6%. In univariate analysis, comorbidity measured by the Charlson index (P = .019) and massive ischemia (P = .002) were related to operative mortality. The probability of being alive at 1, 3, and 5 years was 66.4%, 57.9%, and 51.0%, respectively. In univariate analysis of survival, age (P < .001), comorbidity (P < .001), and type of MVT (P = .003) were associated with a good prognosis. Age (P = .002; hazard ratio: 1.05, 95% confidence interval: 1.02-1.09) and comorbidity (P = .019; hazard ratio: 1.28, 95% confidence interval: 1.04-1.57) behaved as independent prognostic factors for survival. Conclusions: Surgical MVT continues to show high lethality. Age and comorbidity according to the Charlson index correlate well with mortality risk. Primary MVT tends to have a better prognosis than secondary MVT.
ISSN: 2213-333X
DOI: 10.1016/j.jvsv.2023.02.006
Source: Journal of Vascular Surgery: Venous and Lymphatic Disorders[ISSN 2213-333X], (Enero 2023)
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