The Burden of Post-Thrombotic Syndrome in a Long-Term Retrospective Cohort in Northern Portugal

Introduction: Post-thrombotic syndrome is a frequent and disabling complication of deep venous thrombosis. Its incidence is not described in the Portuguese population. The objective of this study is to report the incidence and severity of post-thrombotic syndrome after the initial episode of deep v...

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Main Authors: Inês Mendes-Andrade, Marina Dias-Neto, João Rocha-Neves, Armando Mansilha
Format: Article
Language:English
Published: Ordem dos Médicos 2021-01-01
Series:Acta Médica Portuguesa
Subjects:
Online Access:https://actamedicaportuguesa.com/revista/index.php/amp/article/view/13567
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author Inês Mendes-Andrade
Marina Dias-Neto
João Rocha-Neves
Armando Mansilha
author_facet Inês Mendes-Andrade
Marina Dias-Neto
João Rocha-Neves
Armando Mansilha
author_sort Inês Mendes-Andrade
collection DOAJ
description Introduction: Post-thrombotic syndrome is a frequent and disabling complication of deep venous thrombosis. Its incidence is not described in the Portuguese population. The objective of this study is to report the incidence and severity of post-thrombotic syndrome after the initial episode of deep venous thrombosis. Material and Methods: This is an observational, unicentric, retrospective cohort of patients who had a first episode of deep venous thrombosis in the lower limb, documented with duplex ultrasound (n = 101). The modified Villalta score was applied by phone interview for the diagnosis and staging of post-thrombotic syndrome. The quality of life of patients was measured with the modified CIVIQ 14 classification. Results: Median follow-up time was six years (interquartile range 1). Severe post-thrombotic syndrome was present in 27% of patients and moderate in 33%. Performing physical activity at the time of the interview was associated with lower incidence of post-thrombotic syndrome (relative risk 0.489; 95% confidence interval = 0.320 - 0.748). Body weight gain after deep venous thrombosis (relative risk 2.188; 95% confidence interval 1.137 - 4.210) and lower education levels (relative risk 2.005; 95% confidence interval 1.297 - 3.098) were associated positively with post-thrombotic syndrome. Quality of life was 90 ± 17 vs 64 ± 18 vs 43 ± 15 in patients without postthrombotic syndrome, with moderate post-thrombotic syndrome and with severe post-thrombotic syndrome, respectively (p < 0.001). Discussion: The long-term incidence of post-thrombotic syndrome in a cohort of patients from Northern Portugal is higher than in other studies and correlates with worse adjusted CIVIQ-14 scores. Conclusion: Large studies of prospective nature could provide more definitive evidence.
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spelling doaj.art-01317a2bbca845ec9bdc611f9854f6532022-12-22T02:25:45ZengOrdem dos MédicosActa Médica Portuguesa0870-399X1646-07582021-01-0134110.20344/amp.135675171The Burden of Post-Thrombotic Syndrome in a Long-Term Retrospective Cohort in Northern PortugalInês Mendes-Andrade0Marina Dias-Neto1João Rocha-Neves2Armando Mansilha3This author contributed equally to the paper. Faculty of Medicine. University of Porto. Porto. Department of Physical Medicine and Rehabilitation. Centro de Medicina de Reabilitação de Alcoitão. Cascais.This author contributed equally to the paper. Department of Surgery and Physiology. Faculdade de Medicina. Universidade do Porto. Porto. Cardiovascular Research & Development Unit. Faculdade de Medicina. Universidade do Porto. Porto.Department of Angiology and Vascular Surgery. São João Hospital. Porto. Unit of Anatomy. Department of Biomedicine. Faculdade de Medicina. Universidade do Porto. Porto.Department of Surgery and Physiology. Faculdade de Medicina. Universidade do Porto. Porto. Cardiovascular Research & Development Unit. Faculdade de Medicina. Universidade do Porto. Porto. Introduction: Post-thrombotic syndrome is a frequent and disabling complication of deep venous thrombosis. Its incidence is not described in the Portuguese population. The objective of this study is to report the incidence and severity of post-thrombotic syndrome after the initial episode of deep venous thrombosis. Material and Methods: This is an observational, unicentric, retrospective cohort of patients who had a first episode of deep venous thrombosis in the lower limb, documented with duplex ultrasound (n = 101). The modified Villalta score was applied by phone interview for the diagnosis and staging of post-thrombotic syndrome. The quality of life of patients was measured with the modified CIVIQ 14 classification. Results: Median follow-up time was six years (interquartile range 1). Severe post-thrombotic syndrome was present in 27% of patients and moderate in 33%. Performing physical activity at the time of the interview was associated with lower incidence of post-thrombotic syndrome (relative risk 0.489; 95% confidence interval = 0.320 - 0.748). Body weight gain after deep venous thrombosis (relative risk 2.188; 95% confidence interval 1.137 - 4.210) and lower education levels (relative risk 2.005; 95% confidence interval 1.297 - 3.098) were associated positively with post-thrombotic syndrome. Quality of life was 90 ± 17 vs 64 ± 18 vs 43 ± 15 in patients without postthrombotic syndrome, with moderate post-thrombotic syndrome and with severe post-thrombotic syndrome, respectively (p < 0.001). Discussion: The long-term incidence of post-thrombotic syndrome in a cohort of patients from Northern Portugal is higher than in other studies and correlates with worse adjusted CIVIQ-14 scores. Conclusion: Large studies of prospective nature could provide more definitive evidence. https://actamedicaportuguesa.com/revista/index.php/amp/article/view/13567Postthrombotic SyndromeQuality of LifeVenous Insufficiency
spellingShingle Inês Mendes-Andrade
Marina Dias-Neto
João Rocha-Neves
Armando Mansilha
The Burden of Post-Thrombotic Syndrome in a Long-Term Retrospective Cohort in Northern Portugal
Acta Médica Portuguesa
Postthrombotic Syndrome
Quality of Life
Venous Insufficiency
title The Burden of Post-Thrombotic Syndrome in a Long-Term Retrospective Cohort in Northern Portugal
title_full The Burden of Post-Thrombotic Syndrome in a Long-Term Retrospective Cohort in Northern Portugal
title_fullStr The Burden of Post-Thrombotic Syndrome in a Long-Term Retrospective Cohort in Northern Portugal
title_full_unstemmed The Burden of Post-Thrombotic Syndrome in a Long-Term Retrospective Cohort in Northern Portugal
title_short The Burden of Post-Thrombotic Syndrome in a Long-Term Retrospective Cohort in Northern Portugal
title_sort burden of post thrombotic syndrome in a long term retrospective cohort in northern portugal
topic Postthrombotic Syndrome
Quality of Life
Venous Insufficiency
url https://actamedicaportuguesa.com/revista/index.php/amp/article/view/13567
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