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Purpose: There is paucity of data on patient-perceived outcomes of bleomycin sclerotherapy for low-flow vascular malformations. In this study, the long-term outcomes of bleomycin sclerotherapy were investigated in terms of quality of life (QoL) and patient-perceived changes in health.Materials and Methods: A cohort of Dutch patients with vascular malformations treated with bleomycin sclerotherapy (June 2010-November 2015) completed a questionnaire evaluating disease symptoms, QoL (Short Form 36), patient-perceived change in health status (Global Rating of Change scales) and treatment satisfaction. QoL was assessed for the patient's status before and after treatment and was analyzed relative to an age and sex-matched Dutch reference population. Predictive factors associated with QoL and patient-perceived improvement in overall health status were assessed using multivariable linear and logistic regression analyses, respectively.Results: Seventy-seven patients, with a median follow-up of 22 months, were enrolled. About half of the respondents (49.3%) indicated that they perceived (any form of) improvement in their overall health status. Most often improved were the specific health aspects 'pain' (54.5%) and 'overall severity of symptoms' (57.1%). No factors were significantly predictive for patient-perceived improvement in health with respect to the vascular malformation. Impairment in work- or study-related activities prior to sclerotherapy was found to negatively impact physical QoL at follow-up (p = 0.03).Conclusion: Approximately half of patients with low-flow vascular malformations indicate an improvement in overall health status following bleomycin sclerotherapy, particularly concerning pain and severity of symptoms. However, most patients only perceived little to moderate improvement to their health and desire further treatment. [ABSTRACT FROM AUTHOR]

Objective: To evaluate complications of pregnancy, including thromboembolism, in women with extensive vascular malformations associated with Klippel-Trénaunay syndrome (KTS).Design: Nationwide cross-sectional study.Setting: Two tertiary expert centres and the Dutch Klippel-Trénaunay patient organisation.Sample: Adult women with KTS.Methods: Patients with KTS were invited to participate in a comprehensive online survey about their obstetric history. Reference data on pregnancy outcomes and complications of non-diseased women were collected from population-based cohorts from the literature.Main Outcome Measures: Prevalence of complications, specifically venous thromboembolism and postpartum haemorrhage.Results: Sixty women completed the survey. Seventeen patients did not conceive, of whom three refrained from pregnancy because of KTS. A total of 97 pregnancies and 86 deliveries were reported in 43 patients. KTS-related symptoms were aggravated during pregnancy in 43% of patients. Deep vein thrombosis was present in 5.8% and pulmonary embolism was present in 2.3% of pregnancies, which was extremely high compared with the reference population (P < 0.0001), with a relative risk of 108.9 (95% confidence interval, 95% CI 46.48-255.03) and 106.2 (95% CI 26.97-418.10), respectively. Severe postpartum haemorrhage (PPH) occurred in 11% of KTS pregnancies, compared with 5.8% of pregnancies in the reference population (relative risk, RR 1.81, 95% CI 0.97-3.37, P = 0.06).Conclusions: Our data suggest that women with KTS have a significant risk of venous thromboembolic events, severe postpartum haemorrhage, and aggravation of KTS symptoms during pregnancy, and in early postpartum period. Obstetricians should counsel patients about these risks in the preconception phase. Antithrombotic prophylaxis should be considered in the obstetric management of patients with KTS.Tweetable Abstract: High risk of complications during pregnancy and labour in women with Klippel-Trénaunay syndrome. [ABSTRACT FROM AUTHOR]

Background: The OVAMA (Outcome Measures for Vascular Malformations) project determined quality of life (QoL) as a core outcome domain for patients with vascular malformations. In order to measure how current therapeutic strategies alter QoL in these patients, a patient-reported outcome measurement (PROM) responsive to changes in QoL is required., Objectives: To assess the responsiveness of two widely used generic QoL PROMs, the Medical Outcomes Study Short Form 36 (SF-36) and Skindex-29, in adult patients with vascular malformations., Methods: In an international multicentre prospective study, treated and untreated patients completed the SF-36 and Skindex-29 at baseline and after a follow-up period of 6-8 weeks. Global rating of change (GRC) scales assessing various QoL-related outcome domains were additionally completed. Per subscale, responsiveness was assessed using two methods: by testing hypotheses on expected correlation strength between change scores of the questionnaires and the GRC scales, and by calculating the area under the receiver operating characteristics curve (AUC). The questionnaires were considered responsive if ≥ 75% of the hypotheses were confirmed or if the AUC was ≥ 0·7., Results: Eighty-nine participants were recruited in three centres in the Netherlands and the U.S.A., of whom 67 completed all baseline and follow-up questionnaires. For all subscales of the SF-36 and Skindex-29, < 75% of the hypotheses were confirmed and the AUC was < 0·7., Conclusions: Our findings suggest that the SF-36 and Skindex-29 seemed unresponsive to change in QoL. This suggests that alternative PROMs are needed to measure - and ultimately improve - QoL in patients with vascular malformations. What's already known about this topic? Quality of life is often impaired in patients with vascular malformations. Quality of life is considered a core outcome domain for evaluating treatment of vascular malformations. To measure the effect of treatment on quality of life, a patient-reported outcome measure is required that is responsive to changes in quality of life. What does this study add? This is the first study assessing the responsiveness of quality-of-life measures in patients with vascular malformations. The results seem to indicate that the Medical Outcomes Study Short Form 36 (SF-36) and Skindex-29 are not responsive to changes in quality of life in patients with vascular malformations. What are the clinical implications of this work? Medical Outcomes Study Short Form 36 (SF-36) and Skindex-29 are not ideal to assess the effect on quality of life over time, of treatment strategies for peripheral vascular malformations., (© 2019 The Authors. British Journal of Dermatology published by John Wiley & Sons Ltd on behalf of British Association of Dermatologists.)

Objective: To evaluate complications of pregnancy, including thromboembolism, in women with extensive vascular malformations associated with Klippel-Trénaunay syndrome (KTS)., Design: Nationwide cross-sectional study., Setting: Two tertiary expert centres and the Dutch Klippel-Trénaunay patient organisation., Sample: Adult women with KTS., Methods: Patients with KTS were invited to participate in a comprehensive online survey about their obstetric history. Reference data on pregnancy outcomes and complications of non-diseased women were collected from population-based cohorts from the literature., Main Outcome Measures: Prevalence of complications, specifically venous thromboembolism and postpartum haemorrhage., Results: Sixty women completed the survey. Seventeen patients did not conceive, of whom three refrained from pregnancy because of KTS. A total of 97 pregnancies and 86 deliveries were reported in 43 patients. KTS-related symptoms were aggravated during pregnancy in 43% of patients. Deep vein thrombosis was present in 5.8% and pulmonary embolism was present in 2.3% of pregnancies, which was extremely high compared with the reference population (P < 0.0001), with a relative risk of 108.9 (95% confidence interval, 95% CI 46.48-255.03) and 106.2 (95% CI 26.97-418.10), respectively. Severe postpartum haemorrhage (PPH) occurred in 11% of KTS pregnancies, compared with 5.8% of pregnancies in the reference population (relative risk, RR 1.81, 95% CI 0.97-3.37, P = 0.06)., Conclusions: Our data suggest that women with KTS have a significant risk of venous thromboembolic events, severe postpartum haemorrhage, and aggravation of KTS symptoms during pregnancy, and in early postpartum period. Obstetricians should counsel patients about these risks in the preconception phase. Antithrombotic prophylaxis should be considered in the obstetric management of patients with KTS., Tweetable Abstract: High risk of complications during pregnancy and labour in women with Klippel-Trénaunay syndrome., (© 2017 Royal College of Obstetricians and Gynaecologists.)