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Partsch H, Mortimer P. Compression for leg wounds. Br J Dermatol 2015; 173:359-69. [DOI: 10.1111/bjd.13851] [Citation(s) in RCA: 62] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/27/2015] [Indexed: 11/29/2022]
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Mosti G, De Maeseneer M, Cavezzi A, Parsi K, Morrison N, Nelzen O, Rabe E, Partsch H, Caggiati A, Simka M, Obermayer A, Malouf M, Flour M, Maleti O, Perrin M, Reina L, Kalodiki E, Mannello F, Rerkasem K, Cornu-Thenard A, Chi YW, Soloviy M, Bottini O, Mendyk N, Tessari L, Varghese R, Etcheverry R, Pannier F, Lugli M, Carvallo Lantz AJ, Zamboni P, Zuolo M, Godoy MF, Godoy JM, Link DP, Junger M, Scuderi A. Society for Vascular Surgery and American Venous Forum Guidelines on the management of venous leg ulcers: the point of view of the International Union of Phlebology. INT ANGIOL 2015; 34:202-218. [PMID: 25896614] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
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Partsch H, Mosti G. Sport socks do not enhance calf muscle pump function but inelastic wraps do. INT ANGIOL 2014; 33:511-517. [PMID: 25491402] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
AIM Aim of the study was to measure the effect of elastic and inelastic compression on calf muscle pump function in healthy male athletes. METHODS This was an experimental study which included 21 healthy male athletes. The ejection fraction (EF) of the venous calf pump was measured comparing the effects of a variety of compression materials: 1) sport compression stockings; 2) light zinc paste bandages; 3) sport compression stockings with additional Velcro® wraps over the calf. The influence of sport stocking and wraps on the venous calibre at the largest calf circumference in the lying and standing position was investigated using MRI. RESULTS Inelastic compression exerting a median pressure in the standing position of 37.5 mmHg (zinc paste) and 48 mmHg (loosely applied straps over a sport stocking) achieved a significant increase of EF up to 100%. Sport stockings alone with a standing pressure of 19-24 mmHg did not show a significant change of EF. MRI demonstrated some venous narrowing in the lying but not in the standing position. By wrapping inelastic straps over the stocking an emptying of the veins in the lying and a considerable narrowing in the standing position could be observed. CONCLUSION Venous calf pump function in athletes is not influenced by elastic sport stockings, but inelastic wraps either alone or applied over sport stockings lead to a significant enhancement.
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Nicolaides A, Kakkos S, Eklof B, Perrin M, Nelzen O, Neglen P, Partsch H, Rybak Z. Management of chronic venous disorders of the lower limbs - guidelines according to scientific evidence. INT ANGIOL 2014; 33:87-208. [PMID: 24780922] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
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Mosti G, Partsch H. Improvement of venous pumping function by double progressive compression stockings: higher pressure over the calf is more important than a graduated pressure profile. Eur J Vasc Endovasc Surg 2014; 47:545-9. [PMID: 24524814 DOI: 10.1016/j.ejvs.2014.01.006] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2013] [Accepted: 01/08/2014] [Indexed: 10/25/2022]
Abstract
BACKGROUND Previous studies have shown that so-called progressive elastic compression stockings (PECS) with a negative pressure gradient have a more pronounced effect on venous pump function than conventional, graduated stockings. The aim of this study was to investigate the effect of higher graduated and non-graduated pressures on the venous calf pump in patients with venous disease. METHODS The ejection fraction (EF) of the calf pump was measured by plethysmography under a standardized walking test in 20 patients suffering from chronic venous disease (CEAP C2-C5) without compression, (a) with one and (b) two PECS on top of each other, and (c) with one additional conventional stocking covering only the gaiter area to achieve a graduated high pressure profile. Interface pressure was measured in the gaiter area and on the calf. RESULTS A significant improvement of EF compared with baseline was found with all three compression modalities. The two superimposed PECS, providing median pressures of 33 mmHg in the gaiter area and 46 mmHg at calf level, increased EF significantly up into the normal range. Increasing the gaiter pressure to 56 mmHg without changing the calf pressure did not result in further improvement. CONCLUSIONS Two PECS applied on top of each other lead to a maximal improvement of the venous pump function, which cannot be further improved by increasing the pressure in the gaiter area thereby restoring a graduated pressure profile.
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Lee BB, Andrade M, Antignani PL, Boccardo F, Bunke N, Campisi C, Damstra R, Flour M, Forner-Cordero I, Gloviczki P, Laredo J, Partsch H, Piller N, Michelini S, Mortimer P, Rabe E, Rockson S, Scuderi A, Szolnoky G, Villavicencio JL. Diagnosis and treatment of primary lymphedema. Consensus document of the International Union of Phlebology (IUP)-2013. INT ANGIOL 2013; 32:541-574. [PMID: 24212289] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
Primary lymphedema can be managed effectively as a form of chronic lymphedema by a sequenced and targeted treatment and management program based around a combination of Decongestive Lymphatic Therapy (DLT) with compression therapy, when the latter is desired as an adjunct to DLT. Treatment in the maintenance phase should include compression garments, self-management, including self-massage, meticulous personal hygiene and skin care, in addition to lymphtransport-promoting excercises and activities, and, if desired, pneumatic compression therapy applied in the home. When conservative treatment fails, or gives sub-optimal outcomes, the management of primary lymphedema can be improved, where appropriate, with the proper addition of surgical interventions, either reconstructive or ablative. These two surgical therapies can be more effective when fully integrated with manual lymphatic drainage (MLD)-based DLT postoperatively. Compliance with a long-term commitment to MLD/DLT and particularly compression postoperatively is a critical factor in determining the success of any new treatment strategy involving either reconstructive or palliative surgery. The future of management of primary lymphedema has never been brighter with the new prospect of gene-and perhaps stem-cell oriented management.
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Reeder SWI, Wolff O, Partsch H, Nicolaides AN, Mosti G, Cornu-Thenard A, Obermayer A, Weingard I, Neumann HAM. Expert consensus document on direct ambulatory venous pressure measurement. INT ANGIOL 2013; 32:453-458. [PMID: 23903302] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
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Benigni JP, Bihari I, Rabe E, Uhl JF, Partsch H, Cornu-Thenard A, Jawien A. Venous symptoms in C0 and C1 patients: UIP consensus document. INT ANGIOL 2013; 32:261-265. [PMID: 23711678] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
This UIP document provides an update on venous symptoms in CO and C1 patients. The correlation between venous symptoms and the presence of telangiectases and/or reticular veins is one of the most controversial topics in chronic venous disorders. As symptoms may be non-specific of chronic venous disease, it is important to differentiate venous symptoms from symptoms of other causes. Some data from the Bonn Vein Study suggest that the risk to develop venous symptoms is increased in women, advanced age and obesity. Treatment is based on physical advice, elastic compression, venoactive drugs, sclerotherapy, correction of foot static disorders and reduction of body weight. Future research should be promoted on venous symptoms in epidemiological and follow-up studies, about the relationship between female hormone levels and symptomatic telangiectasias, and between venous pain and foot static disorders in C0s C1s patients.
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Mosti G, Partsch H. Bandages or double stockings for the initial therapy of venous oedema? A randomized, controlled pilot study. Eur J Vasc Endovasc Surg 2013; 46:142-8. [PMID: 23683393 DOI: 10.1016/j.ejvs.2013.04.015] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2012] [Accepted: 04/09/2013] [Indexed: 11/16/2022]
Abstract
OBJECTIVE/BACKGROUND Treatment for leg oedema conventionally starts with compression bandaging followed by elastic stockings once swelling is reduced. The aim was to investigate if a kit consisting of a liner and outer stocking, each exerting 20 mmHg of pressure, would be equally effective in achieving and maintaining volume reduction compared with short-stretch bandaging (2 weeks) followed by a class II (23-33 mmHg) stocking (2 weeks). METHODS Forty legs (28 patients) with chronic venous oedema were randomised to either short-stretch bandages applied weekly for 2 weeks, followed by an elastic stocking for 2 weeks (group A) or a light stocking ("liner") for 1 week followed by superimposing a second stocking for 3 weeks (group B). Interface pressures and leg volumes were measured weekly. RESULTS Despite differences in the pressure (median ± interquartile range) applied (bandage: 67 mmHg [55.7-73.0] vs. liner 24.5 mmHg [21.2-26.5]) volume reduction after 1 week was equal (12.8% [8.7-16.5] and 13.0% [10.4-20.6]). After 2 weeks (group A: 17.8% [10.6-20.0] vs. group B 16.2% [13.0-25.4]) and 4 weeks (group A: 17.3% [9.6-22.8] vs. group B: 17.0% [13.1-24.1]) volume reductions remained identical. CONCLUSIONS The initial improvement in leg volume (1 week) was independent of the pressure applied and the reduction was maintained by superimposing a second stocking. This offers a simple alternative for managing leg oedema with reduced staffing costs.
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Nees S, Weiss D, Partsch H, Juchem G. Abundant Pericytes in the Venous Intima and the Vasa Venarum: Evidence for Their Key Role in Venous Thrombosis. J Vasc Surg Venous Lymphat Disord 2013; 1:113. [DOI: 10.1016/j.jvsv.2012.10.045] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Stout N, Partsch H, Szolnoky G, Forner-Cordero I, Mosti G, Mortimer P, Flour M, Damstra R, Piller N, Geyer MJ, Benigni JP, Moffat C, Cornu-Thenard A, Schingale F, Clark M, Chauveau M. Chronic edema of the lower extremities: international consensus recommendations for compression therapy clinical research trials. INT ANGIOL 2012; 31:316-329. [PMID: 22801397] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
Chronic edema is a multifactorial condition affecting patients with various diseases. Although the pathophysiology of edema varies, compression therapy is a basic tenant of treatment, vital to reducing swelling. Clinical trials are disparate or lacking regarding specific protocols and application recommendations for compression materials and methodology to enable optimal efficacy. Compression therapy is a basic treatment modality for chronic leg edema; however, the evidence base for the optimal application, duration and intensity of compression therapy is lacking. The aim of this document was to present the proceedings of a day-long international expert consensus group meeting that examined the current state of the science for the use of compression therapy in chronic edema. An expert consensus group met in Brighton, UK, in March 2010 to examine the current state of the science for compression therapy in chronic edema of the lower extremities. Panel discussions and open space discussions examined the current literature, clinical practice patterns, common materials and emerging technologies for the management of chronic edema. This document outlines a proposed clinical research agenda focusing on compression therapy in chronic edema. Future trials comparing different compression devices, materials, pressures and parameters for application are needed to enhance the evidence base for optimal chronic oedema management. Important outcomes measures and methods of pressure and oedema quantification are outlined. Future trials are encouraged to optimize compression therapy in chronic edema of the lower extremities.
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Mosti G, Partsch H. High compression pressure over the calf is more effective than graduated compression in enhancing venous pump function. Eur J Vasc Endovasc Surg 2012; 44:332-6. [PMID: 22819741 DOI: 10.1016/j.ejvs.2012.06.001] [Citation(s) in RCA: 45] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/29/2012] [Accepted: 06/07/2012] [Indexed: 11/17/2022]
Abstract
BACKGROUND Graduated compression is routinely employed as standard therapy for chronic venous insufficiency. AIM The study aims to compare the haemodynamic efficiency of a multi-component graduated compression bandage (GCB) versus a negative graduated compression bandage (NGCB) applied with higher pressure over the calf. METHODS In 20 patients, all affected by greater saphenous vein (GSV) incompetence and candidates for surgery (Clinical, etiologic, anatomic and pathophysiologic data, CEAP C2-C5), the ejection fraction of the venous calf pump was measured using a plethysmographic method during a standardised walking test without compression, with GCB and NGCB, all composed of the same short-stretch material. Sub-bandage pressures were measured simultaneously over the distal leg and over the calf. RESULTS NGCBs with median pressures higher at the calf (62 mmHg) than at the distal leg (50 mmHg) achieved a significantly higher increase of ejection fraction (median +157%) compared with GCB, (+115%) with a distal pressure of 54 mmHg and a calf pressure of 28 mmHg (P < 0.001). CONCLUSIONS Patients with severe venous incompetence have a greater haemodynamic benefit from NGCB, especially during standing and walking, than from GCB.
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Antignani PL, Carpentier PH, Cornu-Thenard A, Flour M, Partsch H, Rabe E, Uhl JF. UIP consensus on corona phlebectatica. INT ANGIOL 2012; 31:217-218. [PMID: 22634974] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
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Kalodiki E, Stvrtinova V, Allegra C, Andreozzi G, Antignani PL, Avram R, Brkljacic B, Cadariou F, Dzsinich C, Fareed J, Gaspar L, Geroulakos G, Jawien A, Kozak M, Lattimer CR, Minar E, Partsch H, Passariello F, Patel M, Pécsvárady Z, Poredos P, Roztocil K, Scuderi A, Sparovec M, Szostek M, Skorski M. Superficial vein thrombosis: a consensus statement. INT ANGIOL 2012; 31:203-216. [PMID: 22634973] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
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Partsch H, Damstra RJ, Mosti G. Dose finding for an optimal compression pressure to reduce chronic edema of the extremities. INT ANGIOL 2011; 30:527-533. [PMID: 22233613] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
AIM The optimal pressure to reduce chronic extremity swelling is still a matter of debate. The aim of this paper was to measure volume reduction of a swollen extremity depending on the amount of pressure exerted by compression stockings and inelastic bandages. METHODS Thirty-six patients with unilateral breast cancer related arm lymphedema were investigated in a lymph clinic in the Netherlands, 42 legs with chronic edema of the lower extremities were examined in a phlebological centre in Italy. The arm-patients were randomized to receive inelastic arm bandages with a pressure between 20-30 mmHg or 44-68 mmHg. The leg patients were either treated with compression stockings (23-32 mmHg) or with inelastic bandages (pressure 53-88 mmHg). Water-displacement volumetry and measurement of leg circumference was performed before and after compression. RESULTS In the arm-patients low pressure after 2 hours achieved a higher degree of volume reduction (-2.3%, 95% CI 1.0-3.6) than high pressure (-1.5%, 95% CI 0.2-2.8) (n.s.). In patients with leg edema compression stockings in the range between 20 and 40 mmHg showed a positive correlation between exerted pressure and volume reduction, bandages applied with an initial resting pressure of more than 60 mm Hg resulted in a decreasing volume reduction. CONCLUSION There is obviously an upper limit beyond which further increase of compression pressure seems counterproductive. For inelastic bandages this upper limit is around 30 Hg on the upper and around 50-60 mmHg on the lower extremity.
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Mosti G, Picerni P, Partsch H. Compression stockings with moderate pressure are able to reduce chronic leg oedema. Phlebology 2011; 27:289-96. [DOI: 10.1258/phleb.2011.011038] [Citation(s) in RCA: 61] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Aim To compare the efficacy of compression stockings and inelastic, high-pressure bandages concerning leg volume reduction in patients with chronic leg oedema. Material and methods Forty-two legs of 30 patients with chronic leg oedema caused by venous stasis were randomized to receive a strong inelastic bandage (IB) or an elastic stocking (ES) exerting a pressure of 23–32 mmHg. Changes in leg oedema were assessed after two and seven days by water displacement volumetry, measurements of leg circumferences and of skin thickness by using Duplex ultrasound. Interface pressure was registered under the compression devices for seven days. Results There was no significant difference between stockings and bandages, which both produced a significant reduction in leg volume after two days (−9.6% [95% CI 7.5–11.8] by ES and −11.5% [95% CI 9.9–13.2%] by IB) and after seven days (−13.2% [95% CI 10.4–16.2] by ES and −15.6% [95% CI 12.8–18.4] by IB). Bandages showed a more pronounced reduction in leg circumference and in skin thickness in the calf region. The pressure of IB in the lying position fell from initially 63 to 22 mmHg after two days, but only from 33 to 26 mmHg under ES (median values). The optimal pressure range concerning oedema reduction was found between 40 and 60 mmHg, while higher pressures produced by bandages showed a negative correlation with volume reduction. Conclusions Compression stockings exerting a pressure of around 30 mmHg are nearly as effective as high-pressure bandages with an initial pressure over 60 mmHg in reducing chronic leg oedema.
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Mosti G, Partsch H. Compression stockings with a negative pressure gradient have a more pronounced effect on venous pumping function than graduated elastic compression stockings. Eur J Vasc Endovasc Surg 2011; 42:261-6. [PMID: 21612949 DOI: 10.1016/j.ejvs.2011.04.023] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2011] [Accepted: 04/17/2011] [Indexed: 10/18/2022]
Abstract
OBJECTIVES To measure the effect on the venous pumping function of a stocking providing a negative pressure gradient with higher pressures over the calf in comparison to a conventional graduated elastic compression stocking (GECS) in patients with advanced venous insufficiency. DESIGN Experimental study. MATERIAL 30 patients with severe superficial chronic venous insufficiency were enrolled. Two elastic stocking designs exerting a pressure at ankle between 15 and 25 mm Hg were compared; a conventional GECS and a stocking exerting a higher pressure over the calf than over the ankle producing a "progressive" increase in compression (PECS). METHOD the venous calf pumping function was assessed by measuring the ejection fraction (EF) from the lower leg by a plethysmographic method during a standardised exercise. Interface pressure of the 2 compression devices was simultaneously recorded both at B1 = 12 cm above ankle, C = just above widest part of calf. RESULTS The mean increase of EF produced by PECS was +75% (95 CI 48, 7-101,3) compared with +32% (95% CI 16, 8-48,6) with GECS (P < 0.001). There was a significant correlation between EF and the stocking pressure measured at calf level during standing and walking. CONCLUSION Stockings exerting a higher pressure on the calf than on the ankle show a greater efficacy in increasing the venous ejection fraction from the leg.
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Uhl J, Partsch H, Mosti G. Effect of Compression Therapy on Leg Veins Anatomy: Quantification by 3D Vectorial Modeling from MRI Slices. J Vasc Surg 2011. [DOI: 10.1016/j.jvs.2010.11.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Parsi K, Zimmet S, Allegra C, Bergan J, Gasparis AP, Labropoulos N, Lee BB, Malouf GM, Partsch H, Rabe E, Ramelet AA, Schadeck M, Vin F. Phlebology training curriculum. A consensus document of the International Union of Phlebology (UIP)-2010. INT ANGIOL 2010; 29:533-559. [PMID: 21173735] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
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Partsch H. Compression therapy. INT ANGIOL 2010; 29:391. [PMID: 20924338] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
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Partsch H, Stout N, Forner-Cordero I, Flour M, Moffatt C, Szuba A, Milic D, Szolnoky G, Brorson H, Abel M, Schuren J, Schingale F, Vignes S, Piller N, Döller W. Clinical trials needed to evaluate compression therapy in breast cancer related lymphedema (BCRL). Proposals from an expert group. INT ANGIOL 2010; 29:442-453. [PMID: 20924349] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
AIM A mainstay of lymphedema management involves the use of compression therapy. Compression therapy application is variable at different levels of disease severity. Evidence is scant to direct clinicians in best practice regarding compression therapy use. Further, compression clinical trials are fragmented and poorly extrapolable to the greater population. An ideal construct for conducting clinical trials in regards to compression therapy will promote parallel global initiatives based on a standard research agenda. The purpose of this article is to review current evidence in practice regarding compression therapy for BCRL management and based on this evidence, offer an expert consensus recommendation for a research agenda and prescriptive trials. Recommendations herein focus solely on compression interventions. METHODS This document represents the proceedings of a session organized by the International Compression Club (ICC) in June 2009 in Ponzano (Veneto, Italy). The purpose of the meeting was to enable a group of experts to discuss the existing evidence for compression treatment in breast cancer related lymphedema (BCRL) concentrating on areas where randomized controlled trials (RCTs) are lacking. RESULTS The current body of research suggests efficacy of compression interventions in the treatment and management of lymphedema. However, studies to date have failed to adequately address various forms of compression therapy and their optimal application in BCRL. We offer recommendations for standardized compression research trials for prophylaxis of arm lymphedema and for the management of chronic BCRL. Suggestions are also made regarding; inclusion and exclusion criteria, measurement methodology and additional variables of interest for researchers to capture. CONCLUSION This document should inform future research trials in compression therapy and serve as a guide to clinical researchers, industry researchers and lymphologists regarding the strengths, weaknesses and shortcomings of the current literature. By providing this construct for research trials, the authors aim to support evidence-based therapy interventions, promote a cohesive, standardized and informative body of literature to enhance clinical outcomes, improve the quality of future research trials, inform industry innovation and guide policy related to BCRL.
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Mosti G, Partsch H. Measuring venous pumping function by strain-gauge plethysmography. INT ANGIOL 2010; 29:421-425. [PMID: 20924345] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
AIM Hemodynamic effects of compression devices in patients with venous insufficiency are still under dispute. The aim of this paper was to describe a method which is able to give quantitative results concerning an improvement of the venous pumping function by using compression devices in patients with venous insufficiency. METHODS The ejection fraction (EF) of the calf pump can be measured using strain gauge plethysmography proximal to a compression device on the leg and the degree of improvement depending on the exerted pressure and the elastic property of the material can be assessed. Experiments were carried out in 15 normal volunteers and in a total of 68 patients with severe superficial venous incompetence and who were investigated without compression and with various compression devices measuring interface pressure in different body positions. RESULTS Examples demonstrating the usefulness of the plethysmographic method are given. The median values of EF were 64.6 (IQR 63.4-68.6) in normal subjects and about half in the venous patients. Statistically significant improvement was achieved using inelastic bandages, resulting in further improvements with increasing pressures between 20 and 60 mmHg. Elastic stockings led only to a moderate improvement of the deficient venous pumping function. Significant correlations were found between EF and standing and walking pressure. CONCLUSION The described plethysmographic method is very useful to assess haemodynamic effects of different compression devices in patients with venous insufficiency.
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Partsch H, Mosti G, Mosti F. Narrowing of leg veins under compression demonstrated by magnetic resonance imaging (MRI). INT ANGIOL 2010; 29:408-410. [PMID: 20924342] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
AIM The aim of this paper was to demonstrate the usefulness of magnetic resonance imaging (MRI) for detecting the ability of compression material in narrowing superficial and deep veins in the lower extremity. METHODS MRI of the legs was performed in one healthy volunteer and in 11 patients with CEAP C2-C4 without and with different kinds of compression devices. The cross section area of superficial and deep veins was measured by planimetry in mid-calf and mid-thigh slices. The interface pressure of compression was measured at the same level. RESULTS Examples are presented showing that the narrowing of veins does not only depend on the exerted pressure but also on the body position and the resulting distortion of the tissue. In the prone and the standing position deep veins may show a greater reduction of the cross section area than in superficial veins. CONCLUSION MRI is a powerful method to assess venous narrowing by external compression. Especially in the standing position new insights regarding the effects of different compression devices may be expected.
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