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利用者:加藤勝憲/弾性ストッキング

Compression stockings

弾性ストッキング（英：着圧ストッキング、フライトソックス、サポート包帯、弾性ストッキング）は、浮腫、静脈炎、血栓症などの静脈障害[1]の発生を予防し、さらに進行しないように設計された特殊なストッキングである。着圧ストッキングは伸縮性のある圧縮衣服で、脚の周りに着用し、四肢を圧迫する。これにより、拡張した静脈の直径が縮小し、静脈血流速度と弁の有効性が増加する。圧迫療法は静脈圧を低下させ、静脈うっ滞や静脈壁の障害を防ぎ、脚の重さや痛みを和らげる。

phlebitis

compression garments

膝丈着圧ストッキングは、血行を促進するだけでなく、下腿の血栓形成を予防するためにも使用される。また、下腿潰瘍の治療にも役立つ。

従来のドレスやスポーツ用のストッキングやソックスとは異なり、着圧ストッキングはより強力なゴムを使用し、脚、足首、足に大きな圧力をかけます。着圧ストッキングは足首が最もきつく、膝や太ももに向かって徐々に締め付けが弱くなっていきます。表面の静脈、動脈、筋肉を圧迫することで、循環血液をより狭い流路に押し流す。その結果、動脈圧が上昇し、より多くの血液が心臓に戻り、足に溜まる血液が少なくなる。

圧迫ストッキングには勾配型と抗エンボリズム型の2種類がある[2]。

Compression stockings

医療用

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治療は通常、慢性静脈疾患のすべての症状を緩和し、静脈トラブルを予防するために医師によって処方される。弾性圧迫ストッキングを使用することで、立位時の体積変化を軽減することができる。圧迫ストッキングは以下のような場合に推奨される：

浮腫

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浮腫は、小血管と毛細血管で起こる相反する力によって、血漿水が軟部組織に正味限外濾過される状態である。

慢性静脈不全

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Chronic peripheral venous insufficiency is when the veins cannot pump deoxygenated blood back to the heart.

Varicose veins

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Varicose Veins

Varicose veins are saccular and distended veins which can expand considerably and may cause painful venous inflammation. Once developed, they will not disappear on their own. The formation of varicose veins is an externally visible sign of venous weakness.

Many physicians and vein specialists recommend wearing compression stockings after varicose vein stripping, but studies show that wearing an elastic compression stocking has no additional benefit after the application of elastic bandaging for three days in post-operative care following the stripping of the great saphenous vein as assessed by control of limb, edema, pain, complications and return to work.[3]

Deep vein thrombosis

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Deep vein thrombosis occurs when blood flow decreases (especially in the lower extremities), causing blood to pool in the legs and leading to blood clot (thrombus) formation. Evidence does not suggest a benefit in post thrombotic syndrome rates following DVT.[4] Compression stockings are beneficial in reducing symptomless deep vein thrombosis among airline passengers flying for 7 hours or more.[5]

Pharmacological (warfarin, unfractionated heparin, low molecular weight heparin) and mechanical measures (graded compression stockings, intermittent pneumatic compression devices, and venous foot pumps) are used to prevent venous thromboembolism (VTE) in clinical practice. For cases in which the bleeding risk is high and pharmacologic measures are contraindicated, the use of mechanical prophylaxis is recommended.[6] Graduated compression stockings can effectively prevent VTE in hospitalized patients by applying different pressure to the leg. The meta-analysis of general surgical patients revealed that graduated compression stockings decreased their risk of developing VTE by 68% compared to placebo.[7]

Twenty randomized controlled trials analyzed the effectiveness of graduated compression stockings alone or with other additional prophylaxis in prevention of deep vein thrombosis. These trials included 1,681 patients after general surgery, orthopedic surgery, and medical patients. They concluded that graduated compression stockings are effective in deep vein thrombosis prophylaxis in patients who have undergone general and orthopedic surgery.[8]

Combining graduated compression stockings with other mechanical and pharmacological measures can increase the effectiveness of VTE prophylaxis by 60%.[9] However, another study performed in France involved 407 ICU patients and showed no difference in the effectiveness of the VTE prevention for patients who used compression stockings alone or in combination with intermittent pneumatic devices.[10]

Lymphedema

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Lymphedema occurs when a body part swells due to an abnormal accumulation of lymph fluid, occurring when there is interference with the normal drainage of lymph fluid back into the blood, commonly swelling the arm, leg, neck or abdomen.

Phlebitis

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Phlebitis is the term used when inflammation and clotting occurs in a vein, most often a leg vein, due to infection, inflammation, or trauma. People with varicose veins are more often affected. Inflammation occurs suddenly, causing the thrombus to adhere firmly to the vein wall and risking clogging a superficial vein.

Lipodermatosclerosis

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Lipodermatosclerosis is the term used to refer to the inflammation of subcutaneous fat, a form of panniculitis.

Pregnancy

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Hormones released during pregnancy and the expanding uterus (pressure on the inferior vena cava – the major vein returning blood up to the heart) can affect leg veins.[11]

Postural orthostatic tachycardia syndrome (POTS)

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The use of lower leg compression stockings has been found to reduce symptoms and heart rate when standing upright, in patients with postural orthostatic tachycardia syndrome. Usage of compression garments on abdomen and thighs, and a combination of abdominal/thigh and leg covering compression was found to be more effective, with the latter having the most beneficial outcome.[12]

Contraindications

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Compression stockings

Caution should be used in those with advanced peripheral obstructive arterial disease, heart failure, septic phlebitis, oozing dermatitis and advanced peripheral neuropathy in regard to wearing compression stockings.[13]

Procedure

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First the proper size stocking is determined by measuring the legs. Aseptic technique is not necessary unless the skin is open. The person is placed in the supine position in bed for fifteen minutes prior to measuring for fit. This allows for venous return and stability before measuring.[14]:745

Stockings are best applied upon waking before the person has gotten out of bed, has been sitting or standing and before venous stasis or edema has had a chance to develop.[14]:745 The use of stockings for the entire day is more effective than just half the day or not using compression stockings at all.[15]

Fit is critical to the therapeutic effect of compression stockings. A study listed in the American Journal of Nursing in August 2008 showed that compression stockings were incorrectly sized in just under 30% of the cases studied. It found that additional education was needed not only for patients, but also for medical staff.[16]

Gradient

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These stockings are designed to remedy impaired "musculovenous pump" performance caused by incompetent leg vein valves. They are woven in such a way that the compression level is highest around the ankle and lessens towards the top of the hose.

Doctors will typically recommend these stockings for those who are prone to blood clots, lower limb edema, and blood pooling in the legs and feet from prolonged periods of sitting or inactivity. They are also frequently used to address complications caused by diabetes, lymphedema, thrombosis, cellulitis, and other conditions.[17]

They are worn by those who are ambulatory in most cases, helping calf muscles to perform their pumping action more efficiently to return blood to the heart. In some cases, they are worn by those at increased risk of circulatory problems, such as diabetics, whose legs are prone to excessive swelling. A common indicator for the prescription of such stockings is chronic peripheral venous insufficiency, caused by incompetent perforator veins. Low-pressure compression stockings are available without prescription in most countries, and may be purchased at a pharmacy or medical supply store. Stockings with a higher pressure gradient, say, above 25–30 mmHg, may require a prescription from a doctor.[要出典]

There are several crucial cautionary steps that need to be taken before using compression stockings:

  1. A patient's ankle brachial pressure index (ABPI) must be >1.0 per leg to wear compression stockings, otherwise the stockings may obstruct the patient's arterial flow. The ABI indicates how unobstructed a patient's leg and arm arteries are. Any competent doctor or nurse can measure and calculate a patient's ABI.
  2. It is crucial that compression stockings are properly sized. The compression should gradually reduce from the highest compression at the smallest part of the ankle, until a 70% reduction of pressure just below the knee.

Vascular doctors and nurses may use special pads to ensure uniform higher pressure around the circumference of the ankle (to smooth out the irregular cross-sectional profile.) Self-prescription is reasonably safe assuming that the compression gradient is 15–20 mmHg, the ABI (for both legs) is >1.0 and that the stockings fit correctly. "Firm" gradient stockings (20–30 mmHg and 30–40 mmHg) should generally be worn only on medical advice.

Current research reports mixed results of compression socks on athletic performance.[18][19]

Knee-high versus thigh-high

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Knee-high and thigh-high anti-embolism compression stockings

The graduated (gradient, graded) compression stockings and anti-embolism compression stockings come in knee-high and thigh-high length.[20] A meta-analysis by Sajid et al. was done to compare knee-high and thigh-high graded compression stockings in regards of deep vein thrombosis prevention in medical and surgical patients.[21] The analysis determined that there was a 6% risk of developing deep vein thrombosis when wearing knee-high stockings and 4% when wearing thigh-high stockings, but also found significant heterogeneity, and thus it concluded that there is not enough evidence that one length is superior to the other, and suggests that knee-high compression stockings should be the first choice for the deep vein thrombosis prevention in medical and surgical patients.

Knee-high stockings are more comfortable, easier to apply, and wearing them increases patients' compliance with treatment.[22] Knee-high stockings are easier to size for limb measurement than thigh-high compression stockings.[9] Thigh-high compression stockings may create a tourniquet effect and cause localized restriction when rolled down.[23] A study of patients treated for post-thrombotic syndrome, performed in Italy, revealed that redness and itching of the skin was reported in 41% of patients wearing thigh-high and 27% in patients wearing knee-high compression stockings. Consequently, 22% of thigh-high wearers and 14% of knee-high wearers stopped the treatment.[24]

Compression classes

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Compression stockings are constructed using elastic fibers or rubber. These fibers help compress the limb, aiding in circulation.

Compression stockings are offered in different levels of compression. The unit of measure used to classify the pressure of the stockings is mmHg. They are often sold in a variety of pressure ranges.[要出典]

History

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Use of compression therapy is not new. As early as the Neolithic period (5000-2500 BCE), images of soldiers with bandaged lower extremities were found in the drawings of the caves of Tassili in Sahara. The Edwin Smith Papyrus, which dates to roughly 1600 BCE, included additional evidence of mechanical compression therapy for legs.[6] Hippocrates treated his patients' leg ulcers with tight bandages, which were described in his Corpus Hippocraticum (450–350 BCE).[25] Galen (130-200 CE) used wool and linen compression bandages to prevent blood from pooling in the legs, and Oribassius (324 CE) would use tight bandages to treat leg ulcers.[6]

During the Middle Ages, the leading use of leg compression bandages was mainly for therapy. This is evidenced by the works of Avicenna (980–1037); Giovanni Michele Savonarola (1384–1468); Ambroise Paré (1510–1590); Girolamo Fabrizio di Acquapendente (1537–1619); and other scientists.[6] Guy de Chauliac in his book Chirurgica Magna described the use of compression bandages to treat enlarged veins of the legs.[25] Giovanni Michele Savonarola also treated varicose veins with the help of the leg bandages and described their proper application in his work Practice.

In 1628, William Harvey discovered the link between venous stasis and the external pressure. Following that discovery, various compression measures were introduced for therapy: laced stockings, elastic bands, and tight bandages with resin. Later, new textile materials started to be used for the production of compression stockings: natural or cellulose fibers (silk, cotton, coconut) and chemical (acrylic, nylon, polyester).[6] It was only at the end of the 19th century, after Fisher and Lasker[要出典], German phlebologists, discovered that the application of the external pressure helped to treat blood clots in the lower extremities, that compression stockings started to be used for the treatment of deep vein thrombosis.[25]

Society and culture

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Commonly used terms

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  • Anti-embolism – Worn by non-ambulatory or post-surgical patients to help prevent pooling of blood in the legs that could lead to a venous thrombosis.
  • Custom – Made for a specific individual.
  • Circular knit – Seamless stockings that offer greater ,aesthetic appeal.
  • Flat knit – Stockings made with a seam that can be constructed in virtually any shape or size. Most often used in higher compression classes.
  • Silver – Stockings constructed using special silver textile fibers. Silver has an anti-microbial effect, helping to reduce odor.
  • Lymphedema – Stockings used to manage edema resulting from the onset of lymphedema.
  • Support – Mild compression stockings sold over-the-counter and without a physician's prescription.

These stockings are commonly referred to as TED hose, short for thromboembolism-deterrent hose. They are used to support the venous and lymphatic drainage of the leg.[26]

Economy class stroke syndrome

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There is a possible link between a common physical defect in the heart and potentially deadly stroke that could occur during long aeroplane flights.[27] The connection, called "economy class stroke syndrome," has been reported in healthy, young travelers who had ischemic strokes during or shortly after long air trips. Prolonged sitting associated with air travel is known to be a cause of clots in the legs. Upward of 30 percent of the population is estimated to have patent foramen ovale (PFO), a common condition where a small hole exists between the right and left sides of the heart. PFO rarely causes any adverse medical condition and can be determined only through specific diagnostic tests such as an echocardiogram.

Styles

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  • Knee-high compression, closed toe for men
  • Thigh-high (AG)
  • Pantyhose (AT)
  • Maternity pantyhose
  • Waist attachment/CHAPS

See also

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  • Diabetic socks, which prevent compression
  • Compression sportswear, which compress to aid athletes
  • Military anti-shock trousers

References

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  1. ^ FLA Orthopedics (2004). Graduated Compression Hosiery and Socks. Miramar, FL. pp. 19–20 
  2. ^ DoctorQA. “Compression Socks”. 23 March 2012閲覧。
  3. ^ Houtermans-Auckel, J.P.; van Rossum, E.; Teijink, J.A.W.; Dahlmans, A.A.H.R.; Eussen, E.F.B.; Nicolaï, S.P.A.; Welten, R.J. (1 September 2009). “To Wear or not to Wear Compression Stockings after Varicose Vein Stripping: A Randomised Controlled Trial”. European Journal of Vascular and Endovascular Surgery 38 (3): 387–391. doi:10.1016/j.ejvs.2009.05.025. PMID 19608438. 
  4. ^ Berntsen, CF; Kristiansen, A; Akl, EA; Sandset, PM; Jacobsen, EM; Guyatt, G; Vandvik, PO (April 2016). “Compression Stockings for Preventing the Postthrombotic Syndrome in Patients with Deep Vein Thrombosis.”. The American Journal of Medicine 129 (4): 447.e1–447.e20. doi:10.1016/j.amjmed.2015.11.031. PMID 26747198. 
  5. ^ Clarke, Mike J.; Broderick, Cathryn; Hopewell, Sally; Juszczak, Ed; Eisinga, Anne (2021-04-20). “Compression stockings for preventing deep vein thrombosis in airline passengers”. The Cochrane Database of Systematic Reviews 2021 (4): CD004002. doi:10.1002/14651858.CD004002.pub4. ISSN 1469-493X. PMC 8092568. PMID 33878207. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8092568/. 
  6. ^ a b c d e Lippi, G.; Favaloro, E. J.; Cervellin, G. (2011). “Prevention of venous thromboembolism: Focus on mechanical prophylaxis”. Seminars in Thrombosis and Hemostasis 37 (3): 237–251. doi:10.1055/s-0031-1273088. PMID 21455858.  引用エラー: 無効な <ref> タグ; name ":0"が異なる内容で複数回定義されています
  7. ^ Caprini, J. A. (2010). “Mechanical methods for thrombosis prophylaxis”. Clinical and Applied Thrombosis/Hemostasis 16 (6): 668–73. doi:10.1177/1076029609348645. PMID 19850588. 
  8. ^ Sachdeva, A., Dalton, M., Amaragiri, S. V., & Lees, T. (2018). “Graduated compression stockings for prevention of deep vein thrombosis”. Cochrane Database of Systematic Reviews 11 (11): CD001484. doi:10.1002/14651858.CD001484.pub4. PMC 6477662. PMID 30390397. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6477662/. 
  9. ^ a b Munoz-Figueroa, G. P.; Ojo, O. (2015). “Venous thromboembolism: use of graduated compression stockings”. British Journal of Nursing 24 (13): 680–685. doi:10.12968/bjon.2015.24.13.680. PMID 26153807. NLM UID: 9212059.  引用エラー: 無効な <ref> タグ; name ":2"が異なる内容で複数回定義されています
  10. ^ Vignon, P., Dequin, P.-F., Renault, A., Mathonnet, A., Paleiron, N., Imbert, A., Chatellier, D., Gissot, V., Lheritier, G., Aboyans, V., Prat, G., Garot, D., Boulain, T., Diehl, J.-L., Bressollette, L., Delluc, A., & Lacut, K. (2013). “Intermittent pneumatic compression to prevent venous thromboembolism in patients with high risk of bleeding hospitalized in intensive care units: the CIREA1 randomized trial”. Intensive Care Med 39 (5): 872–880. doi:10.1007/s00134-013-2814-2. PMID 23370827. 
  11. ^ “SIGVARIS Offers Compression Therapy Education for Pregnant Women with Swollen Ankles & Leg Pain”. PRLog.org. 23 March 2012閲覧。
  12. ^ Bourne, Kate M.; Sheldon, Robert S.; Hall, Juliette; Lloyd, Matthew; Kogut, Karolina; Sheikh, Nasia; Jorge, Juliana; Ng, Jessica et al. (2021-01-26). “Compression Garment Reduces Orthostatic Tachycardia and Symptoms in Patients With Postural Orthostatic Tachycardia Syndrome” (英語). Journal of the American College of Cardiology 77 (3): 285–296. doi:10.1016/j.jacc.2020.11.040. https://linkinghub.elsevier.com/retrieve/pii/S0735109720379079. 
  13. ^ Robert Stemmer Library (February 2013). “Compression Bulletin 24”. Sigvaris. p. 2 "Comment". 20 June 2015時点のオリジナルよりアーカイブ。21 August 2013閲覧。
  14. ^ a b Rosdahl, Caroline (2012). Textbook of basic nursing. Philadelphia: Wolters Kluwer Health/Lippincott Williams & Wilkins. ISBN 978-1-60547-772-5 
  15. ^ Belczak, C.E.Q.; De Godoy, J.M.P.; Ramos, R.N.; De Oliveira, M.A.; Belczak, S.Q.; Caffaro, R.A. (2010-01-01). “Is the wearing of elastic stockings for half a day as effective as wearing them for the entire day?: Elastic stockings for half a day vs. entire day” (英語). British Journal of Dermatology 162 (1): 42–45. doi:10.1111/j.1365-2133.2009.09396.x. https://academic.oup.com/bjd/article/162/1/42/6642592. 
  16. ^ “Compression Stockings Incorrectly Used in 29 Percent of Patients”. 2023年7月16日閲覧。
  17. ^ “What are Gradient Compression Stockings?”. Physiocore. 5 November 2015時点のオリジナルよりアーカイブ。16 October 2015閲覧。
  18. ^ Laymon, Abigail S.; Chapman, Robert F.; Stager, Joel M.; Hong, S. Lee; Johnston, Jeanne D. (2009). Lower Leg Compression Sleeves: Influence on Running Mechanics and Economy in Highly Trained Distance Runners. School of Health, Physical Education and Recreation, Indiana University. http://www.eurekalert.org/pub_releases/2010-06/iu-cca060110.php. 
  19. ^ “Effect of compression stockings on running performance in men runners”. Journal of Strength and Conditioning Research 23 (1): 101–5. (2009). doi:10.1519/JSC.0b013e31818eaef3. PMID 19057400. 
  20. ^ Larkin, B. G.; Mitchell, K. M.; Petrie, K. (2012). “Translating evidence to practice for mechanical venous thromboembolism prophylaxis”. AORN Journal 96 (5): 513–27. doi:10.1016/j.aorn.2012.07.011. PMID 23107032. NLM UID: 0372403. 
  21. ^ Sajid, M. S. (August 25, 2006). “Knee versus Thigh Length Graduated Compression Stockings for Prevention of Deep Venous Thrombosis: A Systematic Review”. European Journal of Vascular and Endovascular Surgery 48 (3): 730–736. doi:10.1016/j.ejvs.2006.06.021. PMID 16931066etal 
  22. ^ Lippi, G.; Favaloro, E. J.; Cervellin, G. (2011). “Prevention of venous thromboembolism: Focus on mechanical prophylaxis”. Seminars in Thrombosis and Hemostasis 37 (3): 237–51. doi:10.1055/s-0031-1273088. PMID 21455858. 
  23. ^ Miller, J. A. (2011). “Use and wear of anti-embolism stockings: a clinical audit of surgical patients”. International Wound Journal 8 (1): 74–83. doi:10.1111/j.1742-481X.2010.00751.x. PMC 7950736. PMID 21251225. NLM UID: 101230907. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7950736/. 
  24. ^ “Compression stockings after deep-vein thrombosis: Knee-highs or thigh highs?”. Harvard Women's Health Watch 19 (9): 6. (2012). PMID 22928203. NLM UID: 9423147. 
  25. ^ a b c Galanaud, J. P.; Laroche, J. P.; Righini, M. (2013). “The history and historical treatments of deep vein thrombosis”. Journal of Thrombosis and Haemostasis 11 (3): 402–411. doi:10.1111/jth.12127. PMID 23297815. https://archive-ouverte.unige.ch/unige:32984/ATTACHMENT01.  引用エラー: 無効な <ref> タグ; name ":1"が異なる内容で複数回定義されています
  26. ^ “Compression therapy in venous disease”. Phlebology 23 (5): 203–205. (2008). doi:10.1258/phleb.2008.081004. PMID 18806201. 
  27. ^ Isayev, Y; Chan, R. K.; Pullicino, P. M. (2002). “"Economy class" stroke syndrome?”. Neurology 58 (6): 960–1. doi:10.1212/wnl.58.6.960. PMID 11914416. 

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