Publications by authors named "Joana Cruz Silva"

4 Publications

  • Page 1 of 1

Prognostic Value of Charlson Comorbidity Index in Acute Embolic Lower Limb Ischaemia Patients.

Ann Vasc Surg 2021 May 2. Epub 2021 May 2.

Angiology and Vascular Surgery Department, Centro Hospitalar e Universitário de Coimbra, Coimbra, Portugal.

Introduction: Charlson Comorbidity Index (CCI) is commonly used in outcome studies to adjust for patient comorbid conditions but has not been specifically validated for use in acute embolic lower limb ischaemia (AELLI).

Objectives: The aim of this study was to access whether a high CCI score unadjusted (CCIu) and adjusted (CCIa) by age relates to major amputation and mortality after a first episode of AELLI.

Methods: The last 100 patients presenting with the first event of AELLI submitted to embolectomy at our Vascular Surgery Department were retrospectively evaluated. Patient characteristics, pre- and post-operative period variables were collected and CCIu and CCIa calculated. Survival predictors were analyzed using Cox regression. The area under the curve of the receiver operating characteristic curves was calculated to validate and determine the discriminating ability of CCIu and CCIa in predicting amputation rate and 30-day mortality. Youden index was used to determine the critical value. Survival analysis was performed with Kaplan-Meier method and differences between survival curves were tested with Log-Rank test. A P value of <0.05 was considered statistically significant.

Results: The mean age was 80.03±10.776 years and the mean follow-up 19.28±7.929 months. Amputation rate was 16%, 30-day mortality 21% and long-term mortality 42%. Patients with CCIu≥3 compared with patients with CCIu<3 had higher amputation rate (37.5% vs. 1.7%; OR:35.400), 30-day mortality (47.5% vs. 3.3%; OR:35.400) and global mortality (P=0.00). Also, patients with CCIa≥6 compared with patients with CCIa<6 had higher amputation rate (34.1% vs. 1.8%; OR:28.488), 30-day mortality (47.7% vs. 0.0%) and global mortality (P=0.00). Multivariate analysis showed that both CCIu and CCIa were independent predictors of amputation rate and 30-day mortality.

Conclusion: CCIu and CCIa have proven to be good predictors of amputation rate and survival, thus being a valuable prognostic factor in patients presenting with the first event of AELLI.
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http://dx.doi.org/10.1016/j.avsg.2021.04.022DOI Listing
May 2021

Change in Domains that Influence Quality of Life after Major Lower Limb Amputation in Patients with Peripheral Arterial Disease.

Ann Vasc Surg 2021 Feb 5. Epub 2021 Feb 5.

Angiology and Vascular Surgery Department, Centro Hospitalar e Universitário de Coimbra, Coimbra, Portugal.

Background: Recent guidelines raise the concept of the importance of health-related quality of life (QoL). Change in QoL after amputation in ischemic patients is not well described. We aim to evaluate the change in quality of life after major limb amputation in patients with peripheral arterial disease.

Methods: We retrospectively identified all patients submitted to above-knee amputation (AKA) and below-knee amputation in our vascular surgery department in a 2-year period. Trauma excluded. A vascular amputee adapted QoL questionnaire was administered comparing the last 2 weeks to the 2 weeks before amputation. It included subjective and objective questions adapted from WHOQoL-BREEF and SF-36 divided into specific domains of QoL (physical health, role physical, pain, social, and psychological health) that were compared to 2 global items (overall QoL and general health). Independent samples tests and linear correlations were calculated.

Results: A total of 106 patients were included, 30-day mortality rate 16.3% and 1-year 39.1%. Patients had an increase in mean total score after amputation of 14.35 out of 100 points, with an improvement of 52.1 points in pain and 11 points in social and psychological health out of 100 (P<0.001). Physical health and role physical scores decreased after amputation. Overall QoL was correlated with total score (P<0.001). Mean QoL total score after amputation was 79.0% ± 12.6. In general, amputees scored higher in the domains social and psychological health. Older people, women, AKA and bilateral amputees had lower physical health scores (P<0.05), prosthesis was correlated with improvement in physical health after amputation (P = 0.026). Elderly and married people had big improvement in overall QoL after amputation (P = 0.008 and P = 0.056, respectively).

Conclusions: QoL does not seem to diminish in advanced ischemic patients after amputation. Older people value more a decrease in pain and family support over physical health. Therefore, patient oriented treatments should be preferred. Future research should be made to validate a disease-specific questionnaire for this population.
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http://dx.doi.org/10.1016/j.avsg.2021.01.082DOI Listing
February 2021

Impact of Total Psoas Area and Lean Muscular Area on Mortality after Endovascular Aortic Aneurysm Repair.

Ann Vasc Surg 2021 Apr 16;72:479-487. Epub 2020 Sep 16.

Angiology and Vascular Surgery Department, Centro Hospitalar e Universitário de Coimbra, EPE, Praceta Professor Mota Pinto, Coimbra, Portugal.

Background: Sarcopenia has assumed growing relevance as a morbimortality predictor after major abdominal surgery. The aim of this study is to access total psoas muscle area (TPA) and lean muscle area (LMA) impact in morbimortality after elective endovascular abdominal aortic aneurysm repair (EVAR).

Methods: Asymptomatic patients submitted to aortic endoprosthesis implantation between January 1, 2014 and December 31, 2018 at our vascular surgery department were retrospectively evaluated. After exclusion criteria were applied, 105 patients were included in the study; preoperative computed tomography scans were evaluated using OSIRIX software (Bernex, Switzerland). Two observers independently calculated TPA at the most caudal level of the L3 vertebra and respective density, therefore calculating LMA. Patients were separated by tertiles with the lowest being considered sarcopenic and with higher muscle steatosis and compared with the higher tertiles. Patient demographics and intraoperative and postoperative period variables were collected. Charlson comorbidity index was calculated and surgical complications classified according to Clavien-Dindo. The intraclass correlation coefficient and Bland-Altman plot were made to characterize interobserver variability. Survival analysis was performed with the Kaplan-Meier method, and differences between survival curves were tested with the log-rank test. The effect of sarcopenia on patient survival was assessed using Cox proportional hazard models.

Results: Considering TPA, univariate analyses revealed that patients in the lower tertile had inferior survival (P = 0.03), whereas multivariate analyses showed increased likelihood of mortality (P = 0.039, hazard ratio (HR) 3.829). For LMA, univariate analyses revealed that patients in the lower tertile had inferior survival (P = 0.013), whereas multivariate analyses showed increased likelihood of mortality (P = 0.026, HR 4.153). When analyzing patients in the lowest tertile of both TPA and LMA, both univariate (P = 0.002) and multivariate (P = 0.018, HR 4.166) analyses reveled inferior survival.

Conclusions: Our study reveals reduced survival in patients with low TPA and low LMA submitted to elective EVAR; these factors should probably be taken into consideration in the future for preoperative risk evaluation and surgical planning.
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http://dx.doi.org/10.1016/j.avsg.2020.09.004DOI Listing
April 2021

Is There an Impact of COVID-19 on Admission of Patients to the Emergency Department for Vascular Surgery?

Ann Vasc Surg 2020 Nov 11;69:100-104. Epub 2020 Aug 11.

Cirurgia Vascular, Centro Hospitalar e Universitário de Coimbra, Coimbra, Portugal.

Background: On March 2020, the World Health Organization declared the coronavirus disease 2019 outbreak a pandemic. During this period, surgical activity and admission to the Emergency Department (ED) decreased globally. The aim of this article is to understand how the admission of a patient to the ED for vascular surgery changed in our center in Portugal and if this situation prevented urgent surgical procedures.

Methods: Through a retrospective study, we compared the volume of patients admitted to the ED during the emergency state (ES) in Portugal with the same period in 2019. In addition, we analyzed the urgent surgical activity during the ES and in the correspondent period of the previous 10 years, regarding limb acute ischemia, acute aortic pathology, and vascular trauma. Two groups of patients were formed-patients operated during the ES and during the non-ES, for control. Statistical analysis was performed using IBM SPSS® Statistics, version 25.

Results: In the ES, 115 patients were observed at the ED and 179 in the 2019 corresponding period. During the ES, patients significantly recurred less to the ED directly from home (P < 0.001) and were less referred to the ED by primary care doctors (P < 0.001). Patients observed at the ED were significantly more urgent-required urgent surgery or were admitted to the department-than those in 2019 (40% vs. 24%). However, there were no differences when only considering urgent surgery (14% in ES vs. 10% in 2019). In the ES, 38% of patients observed at the ED were discharged with no follow-up related to vascular surgery against 60% in 2019, although this difference was not significant. Compared with the preceding 10 years, there are not significant differences in the number of patients who underwent urgent surgery in both ES and non-ES periods. In patients with acute limb ischemia, we did not find an increase in the time between onset of symptoms and ED admission, during the ES.

Conclusions: Fewer patients were admitted at the ED during the ES, and those admitted were significantly more urgent. We did not find a decrease in the number of urgent surgeries when compared with the preceding 10 years. Therefore, we cannot assume that coronavirus pandemic precluded urgent surgical procedures.
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http://dx.doi.org/10.1016/j.avsg.2020.08.002DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7417287PMC
November 2020