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Shan LL, Choong PF, Davies AH. Can quality of life predict survival and value-based care in lower extremity arterial disease? ANZ J Surg 2022; 92:1986-1987. [PMID: 36097433 DOI: 10.1111/ans.17816] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2022] [Revised: 04/10/2022] [Accepted: 05/14/2022] [Indexed: 11/27/2022]
Affiliation(s)
- Leonard L Shan
- Department of Surgery, Faculty of Medicine, Dentistry and Health Sciences, The University of Melbourne, Melbourne, Victoria, Australia
| | - Peter F Choong
- Department of Surgery, Faculty of Medicine, Dentistry and Health Sciences, The University of Melbourne, Melbourne, Victoria, Australia
| | - Alun H Davies
- Department of Surgery and Cancer, Faculty of Medicine, Imperial College London, London, UK
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Morbi AH, Coles S, Albayati M, Nordon IM, Shearman C. Understanding Patient Acceptance of Risk with Treatment Options for Intermittent Claudication. Ann Vasc Surg 2017; 40:223-230. [DOI: 10.1016/j.avsg.2016.07.083] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2016] [Revised: 06/10/2016] [Accepted: 07/14/2016] [Indexed: 01/29/2023]
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3
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One year health status benefits following treatment for new onset or exacerbation of peripheral arterial disease symptoms: the importance of patients' baseline health status. Eur J Vasc Endovasc Surg 2015; 50:213-22. [PMID: 26036809 DOI: 10.1016/j.ejvs.2015.04.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2014] [Accepted: 04/06/2015] [Indexed: 11/24/2022]
Abstract
OBJECTIVE/BACKGROUND Limited information is available on expected health status gains following invasive treatment in peripheral arterial disease (PAD). One year health status outcomes following invasive treatment for PAD were compared, and whether pre-procedural health status was indicative of 1 year health status gains was evaluated. METHODS Pre-procedural and 1 year health status (Short Form-12, Physical Component Score [PCS]) was prospectively assessed in a cohort of 474 patients, enrolled from 2 Dutch vascular clinics (March 2006-August 2011), with new or exacerbation of PAD symptoms. One year treatment strategy (invasive vs. non-invasive) and clinical information was abstracted. Quartiles of baseline health status scores and mean 1 year health status change scores were compared by invasive treatment for PAD. The numbers needed to treat (NNT) to obtain clinically relevant changes in 1 year health status were calculated. A propensity weight adjusted linear regression analysis was constructed to predict 1 year PCS scores. RESULTS Invasive treatment was performed in 39% of patients. Patients with baseline health status scores in the lowest quartile undergoing invasive treatment had the greatest improvement (mean invasive 11.3 ± 10.3 vs. mean non-invasive 5.3 ± 8.5 [p = .001, NNT = 3]), whereas those in the highest quartile improved less (.8 ± 6.3 vs. -3.0 ± 8.2 [p = .025, NNT = 90]). Undergoing invasive treatment (p < .0001) and lower baseline health status scores (p < .0001) were independently associated with greater 1 year health status gains. CONCLUSION Substantial improvements were found in patients presenting with lower pre-procedural health status scores, whereas patients with higher starting health status levels had less to gain by an invasive strategy.
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van Zitteren M, Vriens PW, Burger DH, de Fijter WM, Gerritsen GP, Heyligers JM, Nooren MJ, Smolderen KG. Determinants of invasive treatment in lower extremity peripheral arterial disease. J Vasc Surg 2014; 59:400-408.e2. [PMID: 24461863 DOI: 10.1016/j.jvs.2013.08.045] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2012] [Revised: 05/18/2013] [Accepted: 08/25/2013] [Indexed: 10/25/2022]
Abstract
OBJECTIVE Since it is unknown what factors are weighed in a clinician's decision to refer patients with symptomatic lower extremity peripheral arterial disease (PAD) for invasive treatment, we examined the relationship between health status, lesion location, and site variations and invasive treatment referral ≤1 year following diagnosis in patients with PAD. METHODS This was a prospective observational cohort study on ambulatory patients that presented themselves at two vascular surgery outpatient clinics. A total of 970 patients with new symptoms of PAD or with an exacerbation of existing PAD symptoms that required clinical evaluation and treatment (Rutherford Grade I) were eligible, 884 consented and were included between March 2006 and November 2010. We report on 505 patients in the current study. Prior to patients' initial PAD evaluation, the Short Form-12, Physical Component Scale (PCS) was administered to measure health status. Anatomical lesion location (proximal vs distal) was derived from duplex ultrasounds. PCS scores, lesion location, and site were evaluated as determinants of receiving invasive (endovascular, surgery) vs noninvasive treatment ≤1 year following diagnosis in Poisson regression analyses, adjusting for demographics, ankle-brachial index, and risk factors. RESULTS Invasive treatment as a first-choice was offered to 167 (33%) patients. While an association between poorer health status and invasive therapy was found in unadjusted analyses (relative risk [RR], 0.98; 95% confidence interval [CI], 0.97-1.00; P = .011), proximal lesion location (RR, 3.66; 95% CI, 2.70-4.96; P < .0001) and site (RR, 1.69; 95% CI, 1.11-2.58; P = .014) were independent predictors of invasive treatment referral in the final model. CONCLUSIONS One-third of patients were treated invasively following PAD diagnosis. Patients' health status was considered in providers' decision to refer patients for invasive treatment, but having a proximal lesion was the strongest predictor. This study also found some important first indications of site variations in offering invasive treatment among patients with PAD. Future work is needed to further document these variations in care.
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Affiliation(s)
- Moniek van Zitteren
- Center of Research on Psychology in Somatic Diseases, Tilburg University, Tilburg, The Netherlands; Department of Vascular Surgery, St. Elisabeth Hospital, Tilburg, The Netherlands
| | - Patrick W Vriens
- Department of Vascular Surgery, St. Elisabeth Hospital, Tilburg, The Netherlands
| | - Desiree H Burger
- Department of Vascular Surgery, St. Elisabeth Hospital, Tilburg, The Netherlands
| | - W Marnix de Fijter
- Department of Vascular Surgery, TweeSteden Hospital, Tilburg, The Netherlands
| | - G Pieter Gerritsen
- Department of Vascular Surgery, TweeSteden Hospital, Tilburg, The Netherlands
| | - Jan M Heyligers
- Department of Vascular Surgery, St. Elisabeth Hospital, Tilburg, The Netherlands
| | - Maria J Nooren
- Department of Vascular Surgery, St. Elisabeth Hospital, Tilburg, The Netherlands
| | - Kim G Smolderen
- Center of Research on Psychology in Somatic Diseases, Tilburg University, Tilburg, The Netherlands; Saint Luke's Mid-America Heart Institute, Kansas City, Mo.
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5
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Donker JMW, te Slaa A, de Vries J, Ho GH, Mulder PGH, van der Laan L. Midterm follow-up of quality of life following peripheral bypass surgery. Ann Vasc Surg 2013; 27:1115-23. [PMID: 23816388 DOI: 10.1016/j.avsg.2012.10.022] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2012] [Revised: 10/01/2012] [Accepted: 10/06/2012] [Indexed: 11/29/2022]
Abstract
BACKGROUND Peripheral bypass surgery is an important treatment option for patients with peripheral arterial disease. Short-term results of quality of life (QoL) after peripheral bypass surgery showed an increase in QoL at 3 months. Little is known about QoL at more than 2 years of follow-up. This study was performed to analyze QoL at midterm follow-up, and overall survival after peripheral bypass surgery. METHODS This study was part of a randomized control trial in which intermittent pneumatic compression was compared with compression stockings in the treatment of edema after bypass surgery. Patients completed a QoL questionnaire before surgery, 14 days and 3 months postoperatively, and at least 2 years after the original operation. A survival analysis was performed to calculate survival for patients who received both autologous and polytetrafluoroethylene (PTFE) bypass grafts. RESULTS The original study consisted of 93 patients, and QoL midterm follow-up was achieved for 42. QoL scores at midterm follow-up were comparable to the preoperative baseline scores for both the autologous and the PTFE groups. Three-year survival rates were 75% and 54%, respectively. CONCLUSION Although peripheral bypass surgery significantly increased QoL 3 months after surgery, midterm follow-up showed a return to baseline scores. No significant difference was found in survival between patients in the autologous and PTFE groups.
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6
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Bez LG. Midterm results of endovascular treatment of iliac artery lesions: analysis of 59 cases. J Vasc Bras 2013. [DOI: 10.1590/s1677-54492013000200002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
BACKGROUND: Endovascular treatment of peripheral arterial occlusive disease has become increasingly frequent in the past few years. Because it is a less invasive procedure, lower morbidity and mortality rates are associated with this form of treatment. OBJECTIVES: To describe the endovascular procedures performed in iliac arteries for the treatment of peripheral arterial occlusive disease. METHODS: This retrospective study assesses 59 cases of iliac artery angioplasty performed according to a specific protocol from January 2004 to February 2010. RESULTS: Mean age of patients was 62 years (minimum: 42, maximum: 89). Thirty seven were male (62.72%) and 22 female (37.28%). The main indications for treatment were moderate to severe intermittent claudication in 30 cases (50.84%) and rest pain or trophic lesions (critical ischemia) in 29 cases (49.15%). Postoperative follow-up included ankle-brachial index measurements and a duplex ultrasound at 30 days, 3 months, 6 months, 12 months, and every 6 months thereafter. Minimum follow-up time was 3 months, and maximum, 72 months (6 years), with primary and secondary patency rates of 91.37 and 94.82%, respectively. CONCLUSIONS: The results of this case series, combined with literature review results, allow to conclude that the endovascular approach is an effective and safe option to treat peripheral arterial occlusive disease in iliac arteries.
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Affiliation(s)
- Leonardo Ghizoni Bez
- Hospital Felicio Rocho, Brazil; Instituto de Previdencia dos Servidores do Estado de Minas Gerais, Brazil
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7
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Zafar AM, Harris TJ, Murphy TP, Machan JT. Patients' perspective about risks and benefits of treatment for peripheral arterial disease. J Vasc Interv Radiol 2012; 22:1657-61. [PMID: 22115578 DOI: 10.1016/j.jvir.2011.08.027] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2011] [Revised: 08/20/2011] [Accepted: 08/30/2011] [Indexed: 11/19/2022] Open
Abstract
PURPOSE To report the results of a standard gamble-type survey conducted to explore patients' heuristics in regard to therapy for peripheral arterial disease (PAD). MATERIALS AND METHODS Patients presenting to a vascular and interventional radiology practice because of suspected PAD were asked to indicate their threshold for risk of amputation during a curative procedure for intermittent claudication (IC) and for risk of death from a curative medication for critical limb ischemia (CLI). Possible relationships of risk threshold with age, gender, ankle-brachial index (ABI), and functional claudication distance were assessed with univariate statistics followed by multivariable generalized linear mixed models of risk acceptance at various risk levels. RESULTS Study participants were 20 patients (40% women), with median age of 64 years, functional claudication distance of 1 block, and ABI of 0.72. In the IC scenario, up to 1% risk of above-knee amputation was found to be the median risk acceptable to patients for undergoing a curative procedure. In the CLI scenario, the median risk acceptance for mortality from a curative medication was up to 1%. The multivariable model for the IC scenario revealed significantly greater acceptance of risk at a given level among older patients and women. No significant predictor was delineated by the multivariable model for the CLI scenario. CONCLUSIONS Overall, patients have a low threshold for complications of PAD therapy, consistent with endovascular but not with open surgical strategies. However, considerable variation in preferences underlines the value of individualized treatment strategies.
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Affiliation(s)
- Abdul M Zafar
- Rhode Island Hospital, Brown University, Providence, RI, USA
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Mastenbroek M, Hoeks S, Pedersen S, Scholte op Reimer W, Voute M, Verhagen H. Gender Disparities in Disease-specific Health Status in Postoperative Patients with Peripheral Arterial Disease. Eur J Vasc Endovasc Surg 2012; 43:433-40. [DOI: 10.1016/j.ejvs.2011.12.022] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2011] [Accepted: 12/20/2011] [Indexed: 10/14/2022]
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Kruidenier LM, Viechtbauer W, Nicolaï SP, Büller H, Prins MH, Teijink JAW. Treatment for intermittent claudication and the effects on walking distance and quality of life. Vascular 2012; 20:20-35. [DOI: 10.1258/vasc.2011.ra0048] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
The objective of the study was to provide an overview of the most common treatments for intermittent claudication and to determine the effectiveness in improving walking distance and quality of life based on a combination of direct and indirect evidence. We included trials that compared: angioplasty, surgery, exercise therapy or no treatment for intermittent claudication. Outcome measurements were walking distance (maximum, pain-free) and quality of life (physical, mental). We used a network meta-analysis model for the combination of direct and indirect evidence. We included 42 studies, presenting 3106 participants. The network meta-analysis showed that supervised exercise therapy (Δ = 1.62, P < 0.01), angioplasty (Δ = 1.89, P < 0.01) and surgery (Δ = 2.72, P = 0.02) increased walking distance significantly more than no treatment. Furthermore, supervised exercise therapy (Δ = 0.60, P < 0.01), angioplasty (Δ = 0.91, P = 0.01) and surgery (Δ = 1.07, P < 0.01) increased physical quality of life more than no treatment. However, in the sensitivity analysis, only supervised exercise therapy had additional value over no symptomatic treatment (Δ = 0.66, P < 0.01). In conclusion, this network meta-analysis indicates that supervised exercise therapy is more effective in both increasing walking distance and physical quality of life, compared with no treatment. Angioplasty and surgery also increase walking distance, compared with no treatment, but results for physical quality of life are less convincing.
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Affiliation(s)
| | - W Viechtbauer
- Department of Statistics, Maastricht University, Maastricht
| | - S P Nicolaï
- Department of Surgery, Maxima Medical Centre, Eindhoven
| | - H Büller
- Department of Internal Medicine, Academic Medical Centre, Amsterdam
| | - M H Prins
- Department of Epidemiology, Maastricht University, Maastricht
| | - J A W Teijink
- Department of Surgery, Catharina Hospital, Eindhoven, The Netherlands
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10
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Öztürk Ç, te Slaa A, Dolmans DEJGJ, Ho GH, de Vries J, Mulder PGH, van der Laan L. Quality of life in perspective to treatment of postoperative edema after peripheral bypass surgery. Ann Vasc Surg 2011; 26:373-82. [PMID: 22063233 DOI: 10.1016/j.avsg.2011.07.012] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2011] [Revised: 07/06/2011] [Accepted: 07/13/2011] [Indexed: 10/15/2022]
Abstract
BACKGROUND To examine the effects of peripheral bypass surgery on patients' quality of life (QoL) as well as to compare two treatment modalities to reduce postoperative edema with regard to patients' QoL. METHODS This was a randomized controlled trial set in the department of vascular surgery in a nonacademic teaching hospital. Ninety-three patients (mean age, 70 years; 33% Rutherford 5-6), enrolled between August 2006 and September 2009, who underwent peripheral bypass surgery (autologous 57, polytetrafluoroethylene 36). Patients were assigned to intermittent pneumatic compression (n = 46) or to compression stockings (n = 47). The main outcome measure was QoL, measured with the World Health Organization Quality of Life assessment instrument (short form: WHOQOL-BREF). RESULTS QoL improved on the domain of Physical Health by 7.18 points (P < 0.001 [range, 0-100]) after 2 weeks and by 10.03 points (P < 0.001) after 3 months. Patients who received a polytetrafluoroethylene bypass scored 0.45 points (P = 0.0008 [range, 1-5]) lower at baseline on Global QoL than patients who received an autologous bypass. Type of bypass or edema treatment method did not affect the improvements. Edema did not correlate with QoL. CONCLUSION Improvement in QoL on the domain Physical Health following femoropopliteal bypass surgery was found as soon as 2 weeks after surgery. Improvement in QoL domains was not influenced by the type of bypass reconstruction. No specific effects of edema on QoL were detected.
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Affiliation(s)
- Çiğdem Öztürk
- Department of Surgery, Amphia Hospital, Breda, The Netherlands
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11
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Mays RJ, Casserly IP, Kohrt WM, Ho PM, Hiatt WR, Nehler MR, Regensteiner JG. Assessment of functional status and quality of life in claudication. J Vasc Surg 2011; 53:1410-21. [PMID: 21334172 DOI: 10.1016/j.jvs.2010.11.092] [Citation(s) in RCA: 72] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2010] [Revised: 11/05/2010] [Accepted: 11/08/2010] [Indexed: 12/27/2022]
Abstract
BACKGROUND Treadmill walking is commonly used to evaluate walking impairment and efficacy of treatment for intermittent claudication (IC) in clinical and research settings. Although this is an important measure, it does not provide information about how patients perceive the effects of their treatments on more global measures of health-related quality of life (HRQOL). METHODS PubMed/Medline was searched to find publications about the most commonly used questionnaires to assess functional status and/or general and disease-specific HRQOL in patients with peripheral artery disease (PAD) who experience IC. Inclusion criteria for questionnaires were based on existence of a body of literature in symptomatic PAD. RESULTS Six general questionnaires and seven disease-specific questionnaires are included, with details about the number of domains covered and how each tool is scored. The Medical Outcomes Study Short Form 36-item questionnaire and Walking Impairment Questionnaire are currently the most used general and disease-specific questionnaires at baseline and after treatment for IC, respectively. CONCLUSIONS The use of tools that assess functional status and HRQOL has importance in both the clinical and research areas to assess treatment efficacy from the patient's perspective. Therefore, assessing HRQOL in addition to treadmill-measured walking ability provides insight as to the effects of treatments on patient outcomes and may help guide therapy.
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Affiliation(s)
- Ryan J Mays
- Division of Cardiology, Department of Medicine, University of Colorado School of Medicine, Aurora, CO 80045, USA
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12
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Hedeager Momsen AM, Bach Jensen M, Norager CB, Roerbæk Madsen M, Vestersgaard- Andersen T, Lindholt JS. Quality of Life and Functional Status After Revascularization or Conservative Treatment in Patients With Intermittent Claudication. Vasc Endovascular Surg 2011; 45:122-9. [DOI: 10.1177/1538574410376602] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Revascularization of patients with intermittent claudication (IC) is recommended only for selected patients who have chronic pain or disabling disease. However, improvement in the quality of life (QoL) could justify more widespread use. Objectives: To determine the effect of conservative treatment and revascularization on the QoL and physical performance of selected patients with IC. Patients and Methods: This nonrandomized, parallel group, follow-up study included 83 patients with IC at Fontaine stage II. On the basis of interventional opportunities and the risks and benefits, combined with the preference of the patient, 47 patients were treated conservatively and 41 were revascularized. The patients were examined at inclusion and 3 months later. The evaluations included the QoL measure Short Form 36 (SF-36), the Walking Impairment Questionnaire (WIQ), pain-free and maximal walking distance (treadmill at 3 km/h, no incline), maximal isometric knee-extension strength and endurance, and ankle—brachial blood pressure index (ABI). Results: At baseline, the SF-36 and WIQ scores and the ABI were significantly lower in the patients selected for revascularization. After revascularization, all dimensions of QoL and functional status increased significantly in the patients who underwent revascularisation compared with the patients treated conservatively. The difference in the change in the physical component summary of SF-36 was 29.4% (P < .001), in the total WIQ 63.6% (P = .0002), and in the pain-free and maximal walking distances 313% (P < .001) and 135% (P < .001), respectively. After adjustment for age, smoking, ABI, body mass index (BMI), and baseline values, the differences remained statistically significant. Conclusion: Revascularization above the knee increased QoL, functional status, and walking distance significantly in patients with moderate IC.
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Affiliation(s)
| | - Martin Bach Jensen
- Surgical Research Unit, Department of Surgery P, University Hospital of Aarhus, Denmark
| | | | | | | | - Jes Sanddal Lindholt
- Vascular Surgical Research Unit, Department of Vascular Surgery, Regional Hospital Viborg, Denmark
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13
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Issa SM, Hoeks SE, Scholte op Reimer WJM, Van Gestel YRBM, Lenzen MJ, Verhagen HJM, Pedersen SS, Poldermans D. Health-related quality of life predicts long-term survival in patients with peripheral artery disease. Vasc Med 2010; 15:163-9. [DOI: 10.1177/1358863x10364208] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
We examined whether health-related quality of life (HRQoL) predicts long-term survival in patients with peripheral artery disease (PAD) independent of established prognostic risk factors. In 2004, data on 711 consecutive patients with PAD undergoing vascular surgery were collected from 11 hospitals in The Netherlands. After 1 year, patients were contacted to complete the EuroQol Questionnaire (EQ-5D), of which 503 complied. HRQoL assessed by the EQ-5D was divided into tertiles (i.e. poor, intermediate and good HRQoL). Mortality was subsequently assessed 3 years after surgery. Of the 503 patients, 55 (11%) patients died during follow-up. Mortality was 21% in patients with poor HRQoL, 8% in patients with intermediate HRQoL, and 5% in patients with good HRQoL. Patients with poor HRQoL (HR = 5.4; 95% CI 2.3—12.5) had a worse survival compared to patients with a good HRQoL, after adjusting for established prognostic factors. In conclusion, the study indicates that poor HRQoL predicts long-term survival in patients with PAD, and provides prognostic value above established risk factors.
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Affiliation(s)
- Samson M Issa
- CoRPS-Center of Research on Psychology in Somatic Diseases, Tilburg University, Tilburg, The Netherlands, Department of Cardiology, Thoraxcenter, Erasmus Medical Centre, Rotterdam, The Netherlands
| | - Sanne E Hoeks
- Department of Anaesthesiology, Erasmus Medical Centre, Rotterdam, The Netherlands
| | | | | | - Mattie J Lenzen
- Department of Cardiology, Thoraxcenter, Erasmus Medical Centre, Rotterdam, The Netherlands
| | - Hence JM Verhagen
- Department of Vascular Surgery, Erasmus Medical Centre, Rotterdam, The Netherlands
| | - Susanne S Pedersen
- CoRPS-Center of Research on Psychology in Somatic Diseases, Tilburg University, Tilburg, The Netherlands, Department of Cardiology, Thoraxcenter, Erasmus Medical Centre, Rotterdam, The Netherlands
| | - Don Poldermans
- Department of Vascular Surgery, Erasmus Medical Centre, Rotterdam, The Netherlands,
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14
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Colleran PN, Li Z, Yang HT, Laughlin MH, Terjung RL. Vasoresponsiveness of collateral vessels in the rat hindlimb: influence of training. J Physiol 2010. [PMID: 20194126 DOI: 10.1113/jphysiol.2009.18624] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Exercise training is known to be an effective means of improving functional capacity and quality of life in patients with peripheral arterial insufficiency (PAI). However, the specific training-induced physiological adaptations occurring within collateral vessels remain to be clearly defined. The purpose of this study was to determine the effect of exercise training on vasomotor properties of isolated peripheral collateral arteries. We hypothesized that daily treadmill exercise would improve the poor vasodilatory capacity of collateral arteries isolated from rats exposed to surgical occlusion of the femoral artery. Following femoral artery ligation, animals were either kept sedentary or exercise trained daily for a period of 3 weeks. Hindlimb collateral arteries were then isolated, cannulated and pressurized via hydrostatic reservoirs to an intravascular pressure of either 45 or 120 cmH(2)O. Non-occluded contralateral vessels of the sedentary animals served as normal Control. Vasodilatory responses to acetylcholine (ACh; 1 x 10(9)-1 x 10(5)m) and sodium nitroprusside (SNP; 1 x 10(9)-1 x 10(4)m), constrictor responses to phenylephrine (PE; 1 x 10(9)-1 x 10(4)m), and flow-induced vasodilatation were determined. Endothelium-mediated vasodilatation responses were significantly greater to either ACh (P < 0.02) or intravascular flow (P < 0.001) in collateral arteries of trained rats. Neither blockade of cyclooxygenase with indomethacin (Indo; 5 microm) nor blockade of endothelial nitric oxide synthase with N(G)-nitro-L-arginine methyl ester (L-NAME; 300 microm) eliminated this ACh- or flow-induced vasodilatation. The depressed vasodilatory response to SNP caused by vascular occlusion was reversed with training. These data indicate that exercise training improves endothelium-mediated vasodilatory capacity of hindlimb collateral arteries, apparently by enhanced production of the putative endothelium-derived hyperpolarizing factor(s). If these findings were applicable to patients with PAI, they could contribute to an improved collateral vessel function and enhance exercise tolerance during routine physical activity.
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Affiliation(s)
- Patrick N Colleran
- Department of Biomedical Sciences, College of Veterinary Medicine, University of Missouri, Columbia, MO 65211, USA
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15
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Colleran PN, Li Z, Yang HT, Laughlin MH, Terjung RL. Vasoresponsiveness of collateral vessels in the rat hindlimb: influence of training. J Physiol 2010; 588:1293-307. [PMID: 20194126 DOI: 10.1113/jphysiol.2009.186247] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Exercise training is known to be an effective means of improving functional capacity and quality of life in patients with peripheral arterial insufficiency (PAI). However, the specific training-induced physiological adaptations occurring within collateral vessels remain to be clearly defined. The purpose of this study was to determine the effect of exercise training on vasomotor properties of isolated peripheral collateral arteries. We hypothesized that daily treadmill exercise would improve the poor vasodilatory capacity of collateral arteries isolated from rats exposed to surgical occlusion of the femoral artery. Following femoral artery ligation, animals were either kept sedentary or exercise trained daily for a period of 3 weeks. Hindlimb collateral arteries were then isolated, cannulated and pressurized via hydrostatic reservoirs to an intravascular pressure of either 45 or 120 cmH(2)O. Non-occluded contralateral vessels of the sedentary animals served as normal Control. Vasodilatory responses to acetylcholine (ACh; 1 x 10(9)-1 x 10(5)m) and sodium nitroprusside (SNP; 1 x 10(9)-1 x 10(4)m), constrictor responses to phenylephrine (PE; 1 x 10(9)-1 x 10(4)m), and flow-induced vasodilatation were determined. Endothelium-mediated vasodilatation responses were significantly greater to either ACh (P < 0.02) or intravascular flow (P < 0.001) in collateral arteries of trained rats. Neither blockade of cyclooxygenase with indomethacin (Indo; 5 microm) nor blockade of endothelial nitric oxide synthase with N(G)-nitro-L-arginine methyl ester (L-NAME; 300 microm) eliminated this ACh- or flow-induced vasodilatation. The depressed vasodilatory response to SNP caused by vascular occlusion was reversed with training. These data indicate that exercise training improves endothelium-mediated vasodilatory capacity of hindlimb collateral arteries, apparently by enhanced production of the putative endothelium-derived hyperpolarizing factor(s). If these findings were applicable to patients with PAI, they could contribute to an improved collateral vessel function and enhance exercise tolerance during routine physical activity.
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Affiliation(s)
- Patrick N Colleran
- Department of Biomedical Sciences, College of Veterinary Medicine, University of Missouri, Columbia, MO 65211, USA
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16
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Locatelli EC, Pelizzari S, Scapini KB, Leguisamo CP, Silva ABD. Exercícios físicos na doença arterial obstrutiva periférica. J Vasc Bras 2009. [DOI: 10.1590/s1677-54492009000300010] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
A maioria dos pacientes portadores de claudicação intermitente, um aspecto clínico da doença arterial periférica, tem importante limitação nas atividades físicas e redução na qualidade de vida. O objetivo deste estudo foi realizar uma revisão da literatura sobre a intervenção através de exercícios em portadores de doença arterial obstrutiva periférica com claudicação intermitente. Trata-se de uma revisão de artigos científicos consultados nos bancos de dados da BIREME, PubMed e SciELO, através das fontes LILACS e MEDLINE e a partir dos descritores em Ciências da Saúde claudicação intermitente, doenças vasculares periféricas, reabilitação, exercício e terapia por exercício. Concluiu-se que, apesar da variabilidade dos regimes de caminhada identificados na literatura, o treino aeróbio, de uma forma geral, proporciona benefícios a pacientes portadores de doença arterial obstrutiva periférica com claudicação intermitente, principalmente na melhora do desempenho de caminhada, o que pode ter impacto significativo na qualidade de vida desses pacientes.
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Hoeks SE, Smolderen KG, Scholte Op Reimer WJM, Verhagen HJM, Spertus JA, Poldermans D. Clinical validity of a disease-specific health status questionnaire: the peripheral artery questionnaire. J Vasc Surg 2008; 49:371-7. [PMID: 19028064 DOI: 10.1016/j.jvs.2008.08.089] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2008] [Revised: 08/25/2008] [Accepted: 08/26/2008] [Indexed: 10/21/2022]
Abstract
BACKGROUND Measuring patient-centered outcomes is becoming increasingly important in patients with peripheral arterial disease (PAD), both as a means of determining the benefits of treatment and as an aid for disease management. In order to monitor health status in a reliable and sensitive way, the disease-specific measure Peripheral Artery Questionnaire (PAQ) was developed. However, to date, its correlation with traditional clinical indices is unknown. The primary aim of this study was to better establish the clinical validity of the PAQ by examining its association with functional indices related to PAD. Furthermore, we hypothesized that the clinical validity of this disease-specific measure is better as compared with the EuroQol-5-dimensional (EQ-5D), a standardized generic instrument. METHODS Data on 711 consecutive PAD patients undergoing surgery were collected from 11 Dutch hospitals in 2004. At 3-year follow-up, questionnaires including the PAQ, EQ-5D, and EuroQol-Visual Analogue Scale (EQ VAS) were completed in 84% of survivors. The PAQ was analyzed according to three domains, as established by a factor analyses in the Dutch population, and the summary score. Baseline clinical indices included the presence and severity of claudication intermittent (CI) and the Lee Cardiac Risk Index. RESULTS All three PAQ domains (Physical Function, Perceived Disability, and Treatment Satisfaction) were significantly associated with CI symptoms (P values < .001-.008). Patients with claudication had significant lower PAQ summary scores as compared with asymptomatic patients (58.6 +/- 27.8 vs 68.6 +/- 27.8, P = < .001). Furthermore, the PAQ summary score and the subscale scores for Physical Functioning and Perceived Disability demonstrated a clear dose-response relation for walking distance and the Lee Risk Index (P values < .001-.031). With respect to the generic EQ-5D, the summary EQ-5D index was associated with CI (0.81 +/- 0.20 vs 0.76 +/- 0.24, P = .031) but not with walking distance (P = .128) nor the Lee Risk Index (P = .154). The EQ VAS discriminated between the clinical indices (P values = .003-.008), although a clear dose-response relation was lacking. CONCLUSION The clinical validity of the PAQ proved to be good as the PAQ subscales discriminated well between patients with or without symptomatic PAD and its severity as defined by walking distance. Furthermore, the PAQ subscales were directly proportional to the presence and number of risk factors relevant for PAD. For studying outcomes in PAD patients, the disease-specific PAQ is likely to be a more sensitive measure of treatment benefit as compared with the generic EQ VAS, although the latter may still be of value when comparing health status across different diseases. Regarding disease management, we advocate the use of the disease-specific PAQ as its greater sensitivity and validity will assist its translation into clinical practice.
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Affiliation(s)
- Sanne E Hoeks
- Department of Anaesthesiology, Erasmus Medical Center, Rotterdam, The Netherlands
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Aquarius AE, Denollet J, de Vries J, Hamming JF. Poor health-related quality of life in patients with peripheral arterial disease: Type D personality and severity of peripheral arterial disease as independent predictors. J Vasc Surg 2007; 46:507-12. [PMID: 17681714 DOI: 10.1016/j.jvs.2007.04.039] [Citation(s) in RCA: 33] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2007] [Accepted: 04/11/2007] [Indexed: 11/23/2022]
Abstract
BACKGROUND Peripheral arterial disease (PAD) is associated with poor health-related quality of life (HRQOL), but individual differences in this patient-based outcome are not fully understood. We examined the impact of PAD severity, invasive treatment, and type D personality, defined as tendencies to experience negative emotions and be socially inhibited, on HRQOL in a 1-year follow-up study. METHOD At their first visit to the department of surgery at the St. Elisabeth Hospital in Tilburg, The Netherlands, 203 consecutive PAD patients completed the DS14 type D personality and RAND-36 questionnaires (all self-report). Clinical data were derived from patients' medical files and included ankle-brachial index (ABI), initial and absolute claudication distance (ICD, ACD), and invasive treatment. The main outcome was HRQOL at 1-year follow-up. RESULTS HRQOL improved between baseline and follow-up, and invasive treatment led to significant improvements in the subscales Physical Functioning (P = .005) and Pain (P = .003). Type D patients were severely impaired in their HRQOL compared with other patients at baseline (P < .01) and at follow-up (P < .05). ABI and ACD also predicted HRQOL at follow-up. After adjusting for ABI and ACD, invasive treatment and type D personality independently predicted all HRQOL domains, except for Physical Functioning. Overall, type D personality predicted increased risk for both poor General Health (odds ratio [OR], 3.70; 95% confidence interval [CI], 1.69 to 8.08; P = .001) and poor Mental Health (OR, 6.01; 95% CI, 2.44 to 14.79, P < .0001) at 1 year after the PAD diagnosis. CONCLUSION Despite an overall improvement, type D patients remained more impaired in 1-year HRQOL than other patients, adjusting for ABI and ACD. Type D personality is a psychologic risk factor that predicts poor patient-based outcomes in PAD and should be taken into account when HRQOL in PAD is evaluated.
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Affiliation(s)
- Annelies E Aquarius
- Center of Research on Psychology in Somatic diseases, Department of Medical Psychology, Tilburg University, Tilburg, The Netherlands.
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Nelson PR, O'Malley KA, Feezor RJ, Moldawer LL, Seeger JM. Genomic and proteomic determinants of lower extremity revascularization failure: rationale and study design. J Vasc Surg 2007; 45 Suppl A:A82-91. [PMID: 17544028 PMCID: PMC1950283 DOI: 10.1016/j.jvs.2007.03.011] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2007] [Accepted: 03/06/2007] [Indexed: 11/28/2022]
Abstract
This translational research program applies a working model of advanced functional genomics/proteomics and bioinformatics to human peripheral arterial occlusive disease (PAOD). It is a multidisciplinary collaborative effort of clinicians, scientists, and statisticians with an advisory panel consisting of experts in inflammation biology, vascular biology, molecular genetics, bioinformatics, clinical trial design, and epidemiology. The proposed human initiative is designed to study 300 symptomatic patients with PAOD undergoing medical management with or without vascular intervention by lower extremity angioplasty/stenting or vein graft bypass. The study aims to test the hypothesis that the systemic inflammatory response after vascular intervention influences the local milieu responsible for vascular repair and adaptation. The expectation is that this response is not uniform in all patients but, rather, is modulated by either preoperative genetic predisposition or postprocedure differential regulation of the innate immune response to injury that promotes a maladaptive phenotype leading to intervention failure. Therefore, some of these differences may be present and detectable before intervention and amenable to class prediction and prospective treatment strategies, whereas others may be detectable in the early postprocedural period, before the onset of clinical failure, permitting interventions to prevent an adverse outcome. The combination of genomic/proteomic data together with functional and quality-of-life outcome measures to define a critical model for class prediction and analysis should lead to new knowledge about failure mechanisms of vascular intervention and new strategies to improve existing approaches to lower extremity revascularization.
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Affiliation(s)
- Peter R Nelson
- Department of Surgery, University of Florida College of Medicine, Gainesville, FL, USA.
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Aquarius AE, Denollet J, Hamming JF, De Vries J. Age-related differences in invasive treatment of peripheral arterial disease: disease severity versus social support as determinants. J Psychosom Res 2006; 61:739-45. [PMID: 17141661 DOI: 10.1016/j.jpsychores.2006.07.013] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/07/2006] [Revised: 07/03/2006] [Accepted: 07/04/2006] [Indexed: 01/19/2023]
Abstract
OBJECTIVE Social support may influence the seeking of appropriate treatment. We examined social support and peripheral arterial disease (PAD) severity as determinants of treatment for PAD in younger and older patients. METHODS Consecutive PAD patients (N=203) completed the Perceived Social Support Scale. Treadmill-walking distance and ankle-brachial pressure index (ABPI) were measured. The main outcome was invasive treatment for PAD in the year following diagnosis. RESULTS During follow-up, 48% of the patients underwent invasive treatment for PAD. Younger patients (<or=64 years) tended to be more often invasively treated as compared to older patients. In younger patients, a high level of social support predicted invasive treatment above and beyond PAD severity. In older patients, low ABPI predicted invasive treatment. CONCLUSION Younger patients with inadequate social support may fail to seek appropriate treatment, suggesting the need to consider psychosocial factors in optimizing treatment of atherosclerotic vascular disease in this high-risk group.
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Affiliation(s)
- Annelies E Aquarius
- CoRPS, Center of Research on Psychology in Somatic Diseases, Department of Medical Psychology, Tilburg University, Tilburg, The Netherlands
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Aquarius AE, Denollet J, Hamming JF, De Vries J. Role of disease status and type D personality in outcomes in patients with peripheral arterial disease. Am J Cardiol 2005; 96:996-1001. [PMID: 16188531 DOI: 10.1016/j.amjcard.2005.05.059] [Citation(s) in RCA: 41] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/04/2005] [Revised: 05/16/2005] [Accepted: 05/16/2005] [Indexed: 10/25/2022]
Abstract
Patients with peripheral arterial disease (PAD) often experience diminishing quality of life (QOL) in many domains of their lives. However, factors associated with impaired QOL and perceived stress in these patients are not completely understood. The relative effects of disease status and type D ("distressed") personality (tendencies to experience negative emotions and be socially inhibited) on these patient-based outcomes were examined. It has been argued that type D personality might depend on disease status; therefore, its effect was examined in a combined sample of 150 patients with PAD and 150 healthy controls. The Type D Scale-14, World Health Organization Quality of Life Assessment Instrument-100, and Perceived Stress Scale-10 Item assessed type D personality, QOL, and perceived stress, respectively. PAD severity (mild, moderate, or severe) was not associated with QOL or perceived stress. However, patients with PAD reported decreased QOL (p < 0.05) compared with healthy controls. Type D patients reported significantly poorer QOL than non-type D patients across PAD and healthy subgroups (p < 0.0001). After controlling for disease status (presence or absence of PAD), type D personality remained associated with increased risk for impaired QOL (odds ratio [OR] 7.35, 95% confidence interval [CI] 3.39 to 15.96, p < 0.0001) and perceived stress (OR 6.45, 95% CI 3.42 to 12.18, p < 0.0001). Hence, type D personality was associated with impaired QOL beyond the impairment already related to PAD and with increased stress in this high-risk population. In conclusion, type D personality is not merely a function of PAD but seems to represent a different determinant of patient-based outcomes.
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