Restless legs syndrome: a comprehensive overview on its epidemiology, risk factors, and treatment - Sleep and Breathing
- ️Tsuang, John W.
- ️Wed Oct 26 2011
References
Högl B, Kiechl S, Willeit J, Saletu M, Frauscher B, Seppi K, Muller J, Rungger G, Gasperi A, Wenning G, Poewe W (2005) Restless legs syndrome: a community-based study of prevalence, severity, and risk factors. Neurology 64:1920–1924
Allen RP, Walters A, Montplaisir J, Hening W, Myers A, Bell TJ, Ferini-Strambi L (2005) Restless legs syndrome prevalence and impact: REST general population survey. Arch Int Med 165:1286–1292
BaHamamm A, Al-Sharani K, Al-Zahrani S, Al-Shammari A, Al-Amri N, Sharif M (2011) The prevalence of restless legs syndrome in adult Saudis attending primary health care. Gen Hosp Psychiatry 33(2):102–106
Hadjigeorgiou GM, Sefandis I, Dardiotis E, Aggellakis K, Sakkas GK, Xiromerisiou G, Konitsiotis S, Paterakis K, Poultsidi A, Tsimourtou V, Ralli S, Gourgoulianis K, Zintzaras E (2007) Low RLS prevalence and awareness in central Greece: an epidemiological survey. Eur J Neurology 14(11):1275–1280
Allen RP, Picchietti D, Hening WA, Trenkwalder C, Walters AS, Montplaisi J, Restless Legs Syndrome Diagnosis and Epidemiology workshop at the National Institutes of Health, International Restless Legs Syndrome Study Group (2003) Restless legs syndrome: diagnostic criteria, special considerations, and epidemiology: a report from the Restless Legs Syndrome Diagnosis and Epidemiology Workshop at the National Institute of Health. Sleep Med 4:101–119
Benes H, Walters AS, Allen RP, Hening WA, Kohnen R (2007) Definition of restless legs syndrome, how to diagnose it, and how to differentiate it from RLS mimics. Move Dis 22(S18):S401–S408
Ohayon MM, O’Hara R, Vitiello MV (2011) Epidemiology of restless legs syndrome: a synthesis of the literature. Sleep Med Rev. doi:10.1016/j.smrv.2011.05.002
Walters AS (1995) Toward a better definition of the restless legs syndrome. The International Restless Legs Syndrome Study Group. Mov Disord 10:634–642
Walters AS, Winkelmann J, Trenkwalder C, Fry JM, Kataria V, Wagner M, Sharma R, Hening W, Li L (2001) Long-term follow-up on restless legs syndrome patients treated with opioids. Mov Disord 16:1105–1109
Hanson M, Honour M, Singleton A, Crawley A, Singleton A, Hardy J, Gwinn-Hardy K (2004) Analysis of familial and sporadic restless legs syndrome in age of onset, gender, and severity features. J Neurol 251(11):1398–1401
Allen RP, La Buda MC, Becker P, Earley CJ (2002) Family history study of the restless legs syndrome. Sleep Med 3(Suppl):S3–S7
Dantas F, Medeiros J,Farias K, Ribeiro CD (2008) Restless legs syndrome in institutionalized elderly. Arquivos de Neuro-Psiquiatria 66(2b):328–330
Yee B, Killick R, Wang K (2009) Restless legs syndrome. Aust Fam Phys 38(5):296–300
Lang AE (1993) Akathisia and the restless legs syndrome. In: Jankovic E, Tolosa E (eds) Parkinson's disease and movement disorders, 2nd edn. Williams & Wilkins, Baltimore, pp 399–418
Hening WA, Allen RP, Thanner S, Washburn T, Heckler D, Walters AS, Earley CJ (2003) The Johns Hopkins telephone diagnostic interview for the restless legs syndrome: preliminary investigation for validation in a multi-center patient and control population. Sleep Med 4:137–141
Allen RP, Earley CJ (2001) Validation of the Johns Hopkins restless legs severity scale. Sleep Med 2:239–242
Kohnen R, Allen RP, Benes H, Garcia-Borreguero D, Hening WA, Stiasny-Kolster K, Zucconi M (2007) Assessment of restless legs syndrome—methodological approaches for use in practice and clinical trials. Mov Disord 22:S485–S494
Abetz L, Arbuckle R, Allen RP, Garcia-Borreguero D, Hening W, Walters AS, Mavraki E, Kirsch JM (2006) The reliability, validity and responsiveness of the International Restless Legs Syndrome Study Group rating scale and subscales in a clinical-trial setting. Sleep Med 7:340–349
Walters AS, LeBrocq C, Dhar A, Hening W, Rosen R, Allen RP, Trenkwalder C (2003) Validation of the International Restless Legs Syndrome Study Group rating scale for restless legs syndrome. Sleep Med 4:121–132
Hening W, Walters AS, Allen AP, Montplaisir J, Myers A, Ferini-Strambi L (2004) Impact, diagnosis, and treatment of restless legs syndrome (RLS) in a primary care population: the REST (RLS epidemiology, symptoms, and treatment) primary care study. Sleep Med 5:3–237
Cotter PE, O’Keeffe ST (2006) Restless leg syndrome: is it a real problem? Ther Clin Risk Manage 2(4):465–475
Allen RP, Stillman P, Myers AJ (2010) Physician-diagnosed restless legs syndrome in a large sample of primary medical care patients in Western Europe: prevalence and characteristics. Sleep Med 11(1):31–37
Picchietti D, Allen RP, Walters AS, Davidson JE, Myers A, Ferini-Strambi L (2007) Restless legs syndrome: prevalence and impact in children and adolescents—the Peds REST study. Pediatrics 120(2):253–266
Hening WA, Allen RP, Chaudhuri KR, Hornyak M, Lee HB, Winkelman J, Yoakum R (2007) Clinical Significance of RLS. Move Dis 22(S18):S395–S400
Trenkwalder C, Allen R (2006) Epidemiology and social costs of restless legs syndrome (RLS). J Sleep Res 15(Supplement 1):9
Hening WA, Allen RP, Earley CJ, Picchietti DL, Silber MH (2004) An update on the dopaminergic treatment of restless legs syndrome and periodic limb movement disorder. Sleep 27:560–583
Molnar MZ, Novak M, Szeifert L, Ambrus C, Keszei A, Koczy A, Lindner A, Barotfi S, Szentkiralyi A, Remport A, Mucsi I (2007) Restless legs syndrome, insomnia, and quality of life after renal transplantation. J Psychosom Res 63(6):591–597
Abetz L, Vallow SM, Kirsch J, Allen RP, Washburn T, Earley CJ (2005) Validation of the Restless Legs Syndrome Quality of Life questionnaire. Value Health 8(2):157–167
Tan EK, Seah A, See SJ, Lim E, Wong MC, Koh KK (2001) Restless legs syndrome in an Asian population: a study in Singapore. Mov Disord 16(3):577–579
Lavigne GJ, Montplaisir JY (1994) RLS and sleep bruxism—prevalence and association among Canadians. Sleep 17(8):739–743
Phillips B, Hening W, Britz P, Mannino D (2006) Prevalence and correlates of restless legs syndrome—results from the 2005 National Sleep Foundation Poll. Chest 129(1):76–80
Nichols DA, Allen RP, Grauke JH, Brown JB, Rice ML, Hyde PR, Dement WC, Kushida CA (2003) RLS in primary care: a prevalence study. Arch Intern Medicine 163(19):2323–2329
Oboler SK, Prochazka AV, Meyer TJ (1991) Legs symptoms in outpatient veterans. West J Medicine 155:256–259
Berger K, Kurth T (2007) RLS Epidemiology—frequencies, risk factors and methods in population studies. Move Dis 22(Suppl.18):S420–S423
Winkler AS, Trendafilova A, Meindl M, Kaaya J, Schmutzhard E, Kassubek J (2010) Restless legs syndrome in a population of Northern Tanzania: a community-based study. Mov Disord 25(5):596–601
Nomura T, Inoue Y, Kusumi M, Oka Y, Nakashima K (2008) E-mail based epidemiological surveys on restless legs syndrome in Japan. Sleep Bio Rhythms 6(3):139–145
Lee HB, Morgan JC (2007) Race, RLS, PLMs: an epidemic conundrum. Sleep Med 8(3):196–197
Eckeli AL, Gitai LLG, Dach F, Ceretta H, Sander HH, Passos ADC, do Prado GF, Fernandes RMF (2011) Prevalence of restless legs syndrome in the rural town of Cassia dos Coqueiros. Sleep Med. doi:10.1016/j.sleep.2011.01.018
Turkdogan D, Bekiroglu N, Zaimoglu S (2011) A prevalence study of restless legs syndrome in Turkish children and adolescents. Sleep Med 12(4):315–321
Benediktsdottir B, Janson C, Lindberg E, Arnardóttir ES, Olafsson I, Cook E, Thorarinsdottir EH, Gislason T (2010) Prevalence of restless legs syndrome among adults in Iceland and Sweden: lung function, comorbidity, ferritin, biomarkers and quality of life. Sleep Med 11(10):1043–1048
Zeitlhofer J, Seidel S, Klösch G, Moser D, Anderer P, Saletu B, Bolitschek J, Popovic R, Lehofer M, Mallin W, Fugger B, Holzinger B, Kerbl R, Saletu A, Machatschke IH, Pavelka R, Högl B (2010) Sleep habits and sleep complaints in Austria: current self-reported data on sleep behaviour, sleep disturbances and their treatment. Acta Neurol Scand 122(6):389–403
Chen NH, Chuang LP, Yang CT, Kushida CA, Hsu SC, Wang PC, Lin SW, Chou YT, Chen RS, Li HY, Lai SC (2010) The prevalence of restless legs syndrome in Taiwanese adults. Psychiatry Clin Neurosci 64(2):170–178
Tasdemir M, Erdogan H, Boru UT, Dilaver E, Kumaş A (2010) Epidemiology of restless legs syndrome in Turkish adults on the western Black Sea coast of Turkey: a door-to-door study in a rural area. Sleep Med 11(1):82–86
Moller C, Wetter TC, Köster J, Stiasny-Kolster K (2010) Differential diagnosis of unpleasant sensations in the legs: prevalence of restless legs syndrome in a primary care population. Sleep Med 11(2):161–166
Cho SJ, Hong JP, Hahm BJ, Jeon HJ, Chang SM, Cho MJ, Lee HB (2009) Restless legs syndrome in a community sample of Korean adults: prevalence, impact on quality of life, and association with DSM-IV psychiatric disorders. Sleep 32:1069–1079
Nomura T, Inoue Y, Kusumi M, Uemura Y, Nakashima K (2009) Prevalence of restless legs syndrome in rural community in Japan. Mov Disord 23(16):2363–2369
Froese CL, Butt A, Mulgrew A, Cheema R, Speirs MA, Gosnell C, Fleming J, Fleetham J, Ryan CF, Ayas NT (2008) Depression and sleep-related symptoms in an adult, indigenous, North American population. J Clin Sleep Med 4:356–361
Cho YW, Shin WC, Yun CH, Hong SB, Kim JH, Allen RP, Earley CJ (2008) Epidemiology of restless legs syndrome in Korean adults. Sleep 31(2):219–223
Happe S, Vennemann M, Evers S, Berger K (2008) Treatment wish of individuals with known and unknown restless legs syndrome in the community. J Neurology 255:1365–1371
Broman JE, Mallon L, Hetta J (2008) Restless legs syndrome and its relationship with insomnia symptoms and daytime distress: epidemiological survey in Sweden. Psychiatry Clin Neurosci 62:472–475
Rangarajan S, Ragarahan S, D’Souza GA (2007) Restless legs syndrome in an Indian urban population. Sleep Med 9(1):88–93
Ulfberg J, Bjorvatn B, Leissner L, Gyring J, Karlsborg M, Regeur L, Skeidsvoll H, Polo O, Partinen M (2007) Comorbidity in restless legs syndrome among a sample of Swedish adults. Sleep Med 8(7–8):768–772
Vogl FD, Pichler I, Adel S, Pinggera GK, Bracco S, De Grandi A, Volpato CB, Aridon P, Mayer T, Meitinger T, Klein C, Casari G, Pramstaller PP (2006) Epidemiological and clinicogenetic study in a South Tyrolean population isolate. Mov Disord 21:1189–1195
Castillo PR, Kaplan J, Lin SC, Fredrickson PA, Mahowald MW (2006) Prevalence of restless legs syndrome among native South Americans residing in coastal and mountainous areas. Mayo Clin Proc 81(10):1345–1347
Kim J, Choi C, Shin K, Yi H, Park M, Cho N, Kimm K, Shin C (2005) Prevalence of restless legs syndrome and associated factors in the Korean adult population: The Korean Health and Genome Study. Psychiatry Clin Neurosci 59(3):350–353
Tison F, Crochard A, Léger D, Bouée S, Lainey E, El Hasnaoui A (2005) Epidemiology of restless legs syndrome in French adults: a nationwide survey: the INSTANT Study. Neurology 65:239–246
Bjorvatn B, Leissner L, Ulfberg J, Gyring J, Karlsborg M, Regeur L, Skeidsvoll H, Nordhus IH, Pallesen S (2005) Prevalence, severity and risk factors of restless legs syndrome in the general adult population in two Scandinavian countries. Sleep Med 6:307–312
Mizuno S, Miyaoka T, Inagaki T, Horiguchi J (2005) Prevalence of restless legs syndrome in non-institutionalized Japanese elderly. Psychiatry Clin Neurosci 59:461–465
Berger K, Luedemann J, Trenkwalder C, John U, Kessler C (2004) Sex and the risk of RLS in the general population. Arch Intern Medicine 164:196–202
Rijsman R, Neven AK, Graffelman W, Kemp B, de Weerd A (2004) Epidemiology of restless legs in The Netherlands. Eur J Neurol 11(9):607–611
Sevim S, Dogu O, Camdeviren H, Bugdayci R, Sasmaz T, Kaleagasi H, Aral M, Helvaci I (2003) Unexpectedly low prevalence and unusual characteristics of RLS in Mersin, Turkey. Neurology 61(11):1562–1569
Ohayon MM, Roth T (2002) Prevalence of RLS and periodic limb movement disorder in the general population. J Psychosom Res 53(1):547–554
Ulfberg J, Nystrom B, Carter N, Edling C (2001) Restless legs syndrome among young men aged 18 to 64 years old: an association with somatic disease and neuropsychiatric disorder. Mov Disord 16(6):1159–1163
Ulfberg J, Nystrom B, Carter N, Edling C (2001) Restless legs syndrome among working-aged women. Eur Neurol 46(1):17–19
Diego G-B (2001) Restless legs syndrome: a clinical study in general Chilean population and in uremic patients (review). Sleep Med 2(6):557–559
Kageyama T, Kabuto M, Nitta H, Kurokawa Y, Taira K, Suzuki S, Takemoto T (2000) Prevalence of periodic limb movement-like and restless legs syndrome-like symptoms among Japanese adults. Psychiatry Clin Neurosci 54(3):296–298
Schmitt BE, Gugger M, Augustiny K, Bassetti C, Radanov BP (2000) Prevalence of sleep complaints: a questionnaire-based study of a Swiss working population. Schweiz Med Wochenschr 130(21):772–778
O’Hare JA, Abuaisha F, Geoghegan M (1994) Prevalence and forms of neuropathic morbidity in 800 diabetic patients. Ir J Med Sci 163(3):132–135
Strang RR (1967) The symptom of restless legs. Medicine J Aust 1:1211–1213
Ekbom KA (1945) Restless legs: a clinical study. Acta Med Scand 158:1–123
Allen RP, Bharmal M, Calloway M (2011) Prevalence and disease burden of primary restless legs syndrome: results of a general population survey in the United States. Mov Disord 26(1):114–120
Ram S, Seirawan H, Kumar SK, Clark GT (2010) Prevalence and impact of sleep disorders and sleep habits in the States. Sleep Breath 14(1):63–70
Winkelman JW, Redline S, Baldwin CM, Resnick HE, Newman AB, Gottlieb DJ (2009) Polysomnographic and health-related quality of life correlates of restless legs syndrome in the sleep heart health study. Sleep 32:772–778
Winkelman JW, Shahar E, Sharief I, Gottlieb DJ (2008) Association of restless legs syndrome and cardiovascular disease in the Sleep Heart Health Study. Neurology 70:35–42
Lee HB, Hening WA, Allen RP, Earley CJ, Eaton WW, Lyketsos CG (2006) Race and restless legs syndrome symptoms in an adult community sample in east Baltimore. Sleep Med 7(8):642–645
Phillips B, Young T, Finn L, Asher K, Hening WA, Purvis C (2000) Epidemiology of restless legs syndrome in adults. Arch Intern Medicine 160(14):2137–2141
Purvis C, Phillips B, Asher K (1997) Self report of RLS: 1996 Kentucky Behavior risk factor surveillance survey. J Sleep Res 26:474
Bentley AJ, Rosman KD, Mitchell D (2006) Gender differences in the presentation of subjects with restless legs syndrome. Sleep Med 7(1):37–41
Gijbers van Wijk CM, Huisman H, Kolk AM (1999) Gender differences in physical symptoms and illness behavior. A health diary study. Soc Sci Med 49(8):1061–1074
Jahn I (2005) Taking into consideration gender and sex. New chances to improve the quality of epidemiological and health research. Bundesgesundheitsblatt Gesundheitsforschung Gesundheitsschutz 48(3):287–295
Garcia-Borreguero D, Egatz R, Winkelmann J, Berger K (2006) Epidemiology of restless legs syndrome: the current status. Sleep Med Rev 10(3):153–167
Ekbom K (1960) Restless legs syndrome. Neurology 10:868–873
Goodman JD, Brodie C, Ayida GA (1988) Restless legs syndrome in pregnancy. Br Medicine J 297(6656):1101–1102
Manconi M, De Vito A, Economou NT, Cesnik E, Mollica G, Granieri E (2002) Pregnancy as a risk factor for restless legs syndrome. J Sleep Research 11:145
Suzuki K, Ohida T, Sone T, Takemura S, Yokoyama E, Miyake T, Harano S, Motojima S, Suga M, Ibuka E (2003) The prevalence of restless legs syndrome among pregnant women in Japan and the relationship between restless legs syndrome and sleep problems. Sleep 26(6):673–677
Tunç T, Karadağ YS, Doğulu F, Inan LE (2009) Predisposing factors of restless legs syndrome in pregnancy. Mov Disord 22(5):627–631
Alves DA, Carvalho LB, Morais JF, Prado GF (2010) Restless legs syndrome during pregnancy in Brazilian women. Sleep Med 11(10):1049–1054
Dzaja A, Wehrle R, Lancel M, Pollmächer T (2009) Elevated estradoil plasma levels in women with restless legs during pregnancy. Sleep 32(2):169–174
Neau JP, Marion P, Mathis S, Julian A, Godeneche G, Larrieu D, Meurice JC, Paquereau J, Ingrand P (2010) Restless legs syndrome and pregnancy: follow-up of pregnant women before and after delivery. Eur Neurol 64(6):361–366
Harano S, Hida T, Kaneita Y, Yokoyama E, Tamaki T, Takemura S, Osaki Y, Hayashi K (2008) Prevalence of restless legs syndrome with pregnancy and relationship with sleep disorders in the Japanese large population. Sleep and Biological Rhythms 6(2):102–109
Manconi M, Govoni V, De Vito A, Economou NT, Cesnik E, Casetta I, Mollica G, Ferini-Strambi L, Granieri E (2004) Restless legs syndrome and pregnancy. Neurology 63(6):1065–1069
Ismailogullari S, Ozturk A, Mazicioglu MM, Serin S, Gultekin M, Aksu M (2010) Restless legs syndrome and pregnancy in Kayseri, Turkey: a hospital based survey. Sleep and Biological Rhythms 8(2):137–143
Wesstrom J, Nilsson S, Sundstrom-Poromaa I, Ulfberg J (2008) Restless legs syndrome among women: prevalence, co-morbidity and possible relationship to menopause. Climacteric 11(5):422–428
Lee KA, Zaffke ME, Baratte-Beebe K (2001) Restless legs syndrome and sleep disturbance during pregnancy: the role of folate and iron. J Womens Health Gend Based Medicine 10(4):335–341
Jolivet B (1953) Paresthésies agitantes nocturnes des membres inférieurs, impatiences, Thése de Paris
Guyatt GH, Patterson C, Ali M, Singer J, Levine M, Turpie I, Meyer R (1990) Diagnosis of iron-deficiency anaemia in the elderly. Am J Medicine 88:205–209
Allen RP, Hening WA, Earley CJ (2008) Adult RLS patients show lower serum ferritin occurs with earlier age-of-onset of RLS symptoms indicating RLS may impair the normal age-related increase in brain iron. Sleep 31(S.814):A267
Allen RP, Barker PB, Wehrl F, Song HK, Earley CJ (2001) MRI measurement of brain iron in patients with restless legs syndrome. Neurology 56(2):263–265
Reynolds G, Blake DR, Pall HS, Williams A (1986) Restless legs syndrome and rheumatoid arthritis. Br Med J 292(6521):659–660
Ondo W, Tan EK, Mansoor J (2000) Rheumatologic serologies in secondary restless legs syndrome. Mov Disord 15(2):321–323
Rangarajan S, D’souza GA, Srikanth AM (2007) Restless legs syndrome in Indian patients having iron deficiency anemia in a tertiary care hospital. Sleep 8(3):247–251
Ulfberg J, Nystrom B (2004) Restless legs syndrome in blood donors. Sleep Med 5(2):115–118
O’Keeffe ST, Gavin K, Lavan JN (1994) Iron status and restless legs syndrome in the elderly. Age Ageing 23(3):200–203
Sun ER, Chen CA, Ho G, Earley CJ, Allen RP (1998) Iron and the restless legs syndrome. Sleep 21(4):371–377
Frauscher B, Gschliesser V, Brandauer E, El-Demerdash E, Kaneider M, Rücker L, Poewe W, Högl B (2009) The severity range of restless legs syndrome (RLS) and augmentation in a prospective patient cohort: Association with ferritin levels. Sleep Med 10(6):611–615
Cançado RD, Chiattone CS, Alonso FF, Langhi Júnior DM, Alves Rde C (2001) Iron deficiency in blood donors. Sao Paulo Medicine J 119:132–134
Minai OA, Golish JA, Yataco JC, Budev MM, Blazey H, Giannini C (2007) Restless legs syndrome in lung transplant recipients. J Heart Lung Transplant 26(1):24–29
Kawauchi A, Inoue Y, Hashimoto T, Tachibana N, Shirakawa S, Mizutani Y, Ono T, Miki T (2006) Restless legs syndrome in hemodialysis patients: health-realted quality of life and laboratory data analysis. Clin Nephrol 66(6):440–446
Takaki J, Nishi T, Nangaku M, Shimoyama H, Inada T, Matsuyama N, Kumano H, Kuboki T (2003) Clinical and psychological aspects of restless legs syndrome in uremic patients on hemodialysis. American Journey of Kidney Diseases 41(4):833–839
Sakkas GK, Hadjigeorgiou GM, Karatzaferi C, Maridaki MD, Giannaki CD, Mertens PR, Rountas C, Vlychou M, Liakopoulos V, Stefanidis I (2008) Intradialytics aerobic exercise training ameliorates symptoms of restless legs syndrome and improves functional capacity in patients on hemodialysis: a pilot study. ASAIO J 54(2):185–190
Aukerman MM, Aukerman D, Bayard M, Tudiver F, Thorp L, Bailey B (2006) Exercise and restless legs syndrome: a randomized controlled trial. J Am Board Fam Medicine 19(5):487–493
Gao X, Schwarzschild MA, Wang H, Ascherio A (2009) Obesity and restless legs syndrome in men and women. Neurology 72(14):1255–1261
Minai OA, Mailk N, Foldvary N, Bair N, Golish JA (2008) Prevalence and characteristics of restless legs syndrome in patients with pulmonary hypertension. J Heart Lung Transplant 27(3):335–340
Winkelman JW, Finn L, Young T (2006) Prevalence and correlates of restless legs syndrome symptoms in the Wisconsin Sleep Cohort. Sleep Med 7(7):545–552
Schlesinger I, Erikh I, Avizohar O, Sprecher E, Yarnitsky D (2009) Cardiovascular risk factors in restless legs syndrome. Mov Disord 24(11):1587–1592
Manconi M, Ferini-Strambi L, Filippi M, Bonanni E, Iudice A, Murri L, Gigli GL, Fratticci L, Merlino G, Terzano G, Granella F, Parrino L, Silvestri R, Aricò I, Dattola V, Russo G, Luongo C, Cicolin A, Tribolo A, Cavalla P, Savarese M, Trojano M, Ottaviano S, Cirignotta F, Simioni V, Salvi F, Mondino F, Perla F, Chinaglia G, Zuliani C, Cesnik E, Granieri E, Placidi F, Palmieri MG, Manni R, Terzaghi M, Bergamaschi R, Rocchi R, Ulivelli M, Bartalini S, Ferri R, Lo Fermo S, Ubiali E, Viscardi M, Rottoli M, Nobili L, Protti A, Ferrillo F, Allena M, Mancardi G, Guarnieri B, Londrillo F (2008) Multicenter case-control study on restless legs syndrome in multiple sclerosis: the MEMO study. Sleep 31(7):944–952
Chen WC, Lim PS, Wu WC, Chiu HC, Chen CH, Kuo HY, Tsai TW, Chien PI, Su YJ, Su YL, Hung SH, Woods HF (2006) Sleep behavior disorders in a large cohort of Chinese (Taiwanese) patients maintained by long-term hemodialysis. Am J Kidney Dis 48:277–284
Gigli GL, Adorati M, Dolso P, Piani A, Valente M, Brotini S, Budai R (2004) Restless legs syndrome in end-stage renal disease. Sleep Med 5(3):309–315
Wang GJ, Volkow ND, Logan J, Pappas NR, Wong CT, Zhu W, Netusil N, Fowler JS (2001) Brain dopamine and obesity. Lancet 357:354–357
Auger C, Montplaisir J, Duquette P (2005) Increased frequency of restlesslegs syndrome in a French–Canadian population with multiple sclerosis. Neurology 65:1652–1653
Moreira NCV, Damasceno RS, Medeiros CAM, Bruin PF, Teixeira CA, Horta WG, Bruin VM (2008) Restless legs syndrome, sleep quality and fatigue in multiple sclerosis patients. Braz J Med Biol Res 41(10):932–937
van Eeghen AM, Numis AI, Staley BA, Therrien SE, Thibert RL, Thiele EA (2011) Characterizing sleep disorders of adults with tuberous sclerosis complex: a questionnaire-based study and review. Epilepsy Behav 20(1):68–74
Weinstock LB, Walters AS, Mullin GE, Duntley SP (2010) Celiac disease is associated with restless legs syndrome. Dig Dis Sci 55(6):1667–1673
Moccia M, Pellecchia MT, Erro R, Zingone F, Marelli S, Barone DG, Ciacci C, Strambi LF, Barone P (2010) Restless legs syndrome is a common feature of adult celiac disease. Mov Disord 25(7):877–881
Lopes LA, Lins Cde M, Adeodato VG, Quental DP, de Bruin PF, Montenegro RM Jr, de Bruin VM (2005) Restless legs syndrome and quality of sleep in type 2 diabetes. Diabetes Care 28(11):2633–2636
Greco D, Gambina F, Pisciotta M, Abrignani M, Maggio F (2009) Clinical characteristics and associated comorbidities in diabetic patients with restless legs syndrome. Exp Clin Endocrinol Diabetes 117(9):496–499
Viola-Saltzman M, Watson NF, Bogart A, Goldberg J, Buchwald D (2010) High prevalence of restless legs syndrome among patients with fibromyalgia: a controlled cross-sectional study. J Clin Sleep Med 6(5):423–427
Taylor-Gjevre RM, Gjevre JA, Nair B, Skomro R, Lim HJ (2010) Hypersomnolence and sleep disorders in a rheumatic disease patient population. J Clin Rheumatol 16(6):255–261
Rajabally YA, Shah RS (2010) Restless legs syndrome in chronic inflammatory demyelinating polyneuropathy. Muscle Nerve 42(2):252–256
Boentert M, Dziewas R, Heidbreder A, Happe S, Kleffner I, Evers S, Young P (2010) Fatigue, reduced sleep quality and restless legs syndrome in Charcot–Marie–Tooth disease: a web-based survey. J Neurol 257(4):646–652
Weinstock LB, Bosworth BP, Scherl EJ, Li E, Iroku U, Munsell MA, Mullen GE, Walters AS (2010) Crohn's disease is associated with restless legs syndrome. Inflamm Bowel Dis 16(2):275–279
Lespérance P, Djerroud N, Diaz Anzaldua A, Rouleau GA, Chouinard S, Richer F (2004) Restless legs in Tourette syndrome. Mov Disord 19(9):1084–1087
Rutkove SB, Matheson JK, Logigian EL (1996) Restless legs syndrome in patients with polyneuropathy. Muscle Nerve 19(5):670–672
De Mello MT, Laura FAA, Silva AC, Tufik S (1996) Incidence of periodic leg movements and of the restless legs syndrome during sleep following acute physical activity in spinal cord injury subjects. Spinal Cord 34(5):294–296
Telles SCL, Alves RC, Chadi G (2011) Periodic limb movements during sleep and restless legs syndrome in patients with ASIA A spinal cord injury. J Neurol Sci 303(1–2):119–123
Plazzi G, Ferri R, Antelmi E, Bayard S, Franceschini C, Cosentino FI, Abril B, Spruyt K, Provini F, Montagna P, Dauvilliers Y (2010) Restless legs syndrome is frequent in narcolepsy with cataplexy patients. Sleep 33(5):689–694
Plazzi G, Ferri R, Franceschini C, Vandi S, Detto S, Pizza F, Poli F, De Cock VC, Bayard S, Dauvilliers Y (2011) Periodic leg movements during sleep in narcoleptic patients with or without restless legs syndrome. J Sleep Res. doi:10.1111/j.1365-2869.2011.00942.x
Caylak E (2009) The genetics of sleep disorders in humans: narcolepsy, restless legs syndrome, and obstructive sleep apnea syndrome. Am J Med Genet A 149A:2612–2626
Gamaldo CE, Benbrook AR, Allen RP, Scott JA, Henning WA, Earley CJ (2007) Childhood and adult factors associated with restless legs syndrome (RLS) diagnosis. Sleep Med 8(7–8):716–722
Spiegelhalder K, Hornyak M (2008) Restless legs syndrome in older adults. Clin Geriat Med 24(1):167–180
Rothdach AJ, Trenkwalder C, Haberstock J, Keil U, Berger K (2000) Prevalence and risk factors of RLS in an elderly population—the Memo study. Neurology 54(5):1064–1068
Celle S, Roche F, Kerleroux J, Thomas-Anterion C, Laurent B, Rouch I, Pichot V, Barthélémy JC, Sforza E (2010) Prevalence and clinical correlates of restless legs syndrome in an elderly French population: the Synapse study. J Ger Series A Bio Sci Med Sci 65(2):165–173
Kim KW, Yoon IY, Chung S, Shin YK, Lee SB, Choi EA, Park JH, Kim JM (2010) Prevalence, comorbidities and risk factors of restless legs syndrome in the Korean elderly population—results from the Korean Longitudinal Study on Health and Aging. J Sleep Res 19(1):87–92
Tsuboi Y, Imamura A, Sugimura M, Nakano S, Shirakawa S, Yamada T (2009) Prevalence of restless legs syndrome in a Japanese elderly population. Parkionsonism Relat Dis 15(8):598–601
Erer S, Karli N, Zarifoglu M, Ozcakir A, Yildiz D (2009) The prevalence and clinical features of restless legs syndrome: a door to door population study in Orhangazi, Bursa in Turkey. Neurol India 57(6):729–733
Juuti AK, Läärä E, Rajala U, Laakso M, Härkönen P, Keinänen-Kiukaanniemi S, Hiltunen L (2010) Prevalence and associated factors of restless legs in a 57-year-old urban population in northern Finland. Acta Neurol Scand 122(1):63–69
Park YM, Lee HJ, Kang SG, Choi HS, Choi JE, Cho JH, Kim L (2010) Prevalence of idiopathic and secondary restless legs syndrome in Korean Women. Gen Hosp Psychiatry 32(2):164–168
Ferri R, Lanuzza B, Cosentino FII, Iero I, Tripodi M, Spada RS, Toscano G, Marelli S, Aricò D, Bella R, Hening WA, Zucconi M (2007) A single question for the rapid screening of restless legs syndrome in the neurological clinical practice. Eur J Neurol 14:1016–1021
Haggstram F, Bigolin AV, Assoni AS, Mezzomo C, Dos Santos IW, Correa MR, Linhares T, Fam CF (2009) Restless legs syndrome study of prevalence among medical school faculty members. Arquivos de Neuro-Psiquiatra 67(3B):822–826
Yilmaz K, Kilincaslan A, Aydin N, Kor D (2011) Prevalence and correlates of restless legs syndrome in adolescents. Dev Med Child Neurol 53(1):40–47
Rajaram SS, Walters AS, England SJ, Mehta D, Nizam F (2004) Some children with growing pains may actually have restless legs syndrome. Sleep 27(4):767–773
Krishnan PR, Bhatia M, Behari M (2003) Restless legs syndrome in Parkinson’s disease: a case-controlled study. Mov Disord 18(2):181–185
Lee JE, Shin HW, Kim KS, Sohn YH (2009) Factors contributing to the development of restless legs syndrome in patients with Parkinson disease. Mov Disord 24(4):579–582
Lang AE (1987) Restless legs syndrome and Parkinson’s disease: insights into pathophysiology. Clin Neuropharmacology 10(5):476–478
Verbaan D, van Rooden SM, van Hilten JJ, Rijsman RM (2010) Prevalence and clinical profile of restless legs syndrome in Parkinson's disease. Mov Disord 25(13):2142–2147
Tan EK, Lum SY, Wong MC (2002) Restless legs syndrome in Parkinson’s disease. J Neurol Sci 196(1–2):33–36
Ondo WG, Vuong KD, Jankovic J (2002) Exploring the relationship between Parkinson disease and restless legs syndrome. Arch Neurol 59(3):421–424
Nomura T, Inoue Y, Nakashima K (2006) Clinical characterizations of restless legs syndrome in patients with Parkinson’s disease. Journal of Neurological Science 250(1–2):39–44
Ivanenko A, Crabtree VM, Gozal D (2004) Sleep in children with psychiatric disorders. Pediatr Clin North Am 51:51–68
Wesström J, Nilsson S, Sundström-Poromaa I, Ulfberg J (2010) Health-related quality of life and restless legs syndrome among women in Sweden. Psychiatry Clin Neurosci 64(5):574–579
Trenkwalder C, Kohnen R, Allen RP, Benes H, Ferini-Strambi L, Garcia-Borreguero D, Hadjigeorgiou GM, Happe S, Högl B, Hornyak M, Klein C, Nass A, Montagna P, Oertel WH, O'Keeffe S, Paulus W, Poewe W, Provini F, Pramstaller PP, Sieminski M, Sonka K, Stiasny-Kolster K, de Weerd A, Wetter TC, Winkelmann J, Zucconi M (2007) Clinical trials in restless legs syndrome—recommendations of the European RLS study group (EURLSSG). Move Dis 22(S18):S495–S504
Lattova Z, Keckeis M, Nia S, Maurovich-Horvat, E, Pollmächer, T (2008) Prevalence of restless legs syndrome in a psychiatric population. J Sleep Res 17(Supplement 1):76
Tuncel D, Orhan FO, Karalaslan MF (2009) The levels of depression and somatization in restless legs syndrome. Bull Clin Psychopharma 19(2):143–147
Kalaydjian A, Bienvenu OJ, Hening WA, Allen RP, Eaton WW, Lee HB (2009) Restless legs syndrome and the five-factor model of personality: results from a community sample. Sleep Med 10(6):672–675
Szentikirayli A, Molnar MZ, Czira ME, Deak G, Lindner AV, Szeifert L, Torzsa P, Vamos EP, Zoller R, Mucsi I, Novak M (2009) Association between restless legs syndrome and depression in patients with chronic kidney disease. J Psychosom Res 67(2):173–180
Chervin RD, Archbold KH, Dillon JE, Pituch KJ, Panahi P, Dahl RE, Guilleminault C (2002) Associations between symptoms of inattention, hyperactivity, restless legs, and periodic leg movements. Sleep 25(2):213–218
Picchietti DL, Underwood DJ, Farris WA, Walters AS, Shah MM, Dahl RE, Trubnick LJ, Bertocci MA, Wagner M, Hening WA (1999) Further studies on periodic limb movement disorder and restless legs syndrome in children with attention-deficit hyperactivity disorder. Mov Disord 14(6):1000–1007
Wagner ML, Walters AS, Fisher BC (2004) Symptoms of attention-deficit/hyperactivity disorder in adults with restless legs syndrome. Sleep 27(8):1499–1504
Cortese S, Konofal E, Lecendreux M, Arnulf I, Mouren MC, Darra F, Dalla Bernardina B (2005) Restless legs syndrome and attention-deficit/hyperactivity disorder: a review of the literature. Sleep 28:1007–1013
Richards K, Shue VM, Beck CK, Lambert CW, Bliwise DL (2010) Restless legs syndrome risk factors, behaviors, and diagnoses in persons with early to moderate dementia and sleep disturbance. Behav Sleep Med 8(1):48–61
Telarovic S, Reija M, Trkulja V (2007) Restless legs syndrome in hemodialysis patients: association with calcium antagonists. Eur Neurol 58(3):166–169
Unruh ML, Levey AS, D’Ambrosio C, Fink NE, Powe NR, Meyer KB (2004) Restless legs symptoms among incident dialysis patients: association with lower quality of life and shorter survival. American Journal of Kidney Disorders 43(5):900–909
Azar SA, Hatefi R, Talebi M (2007) Evaluation of effect of renal transplantation in treatment of restless legs syndrome. Transplant Proc 39(4):1132–1133
Collado-Seidel V, Kohnen R, Samtleben W, Hillebrand GF, Oertel WH, Trenkwalder C (1998) Clinical and biochemical findings in uremic patients with and without restless legs syndrome. Am J Kidney Dis 31(2):324–328
Bhowmik D, Bhatia M, Gupta S, Agarwal SK, Tiwari SC, Dash SC (2003) Restless legs syndrome in hemodialysis patients in India: a case controlled study. Sleep Med 4(2):143–146
Goffredo GS, Gorini CC, Purysko AS, Silva HC, Elias IE (2003) Restless legs syndrome in patients on chronic hemodialysis in a Brazilian city—frequency, biochemical findings, and comorbidities. Arquivos de Neuro-Psiquiatria 61(3B):723–727
La Manna G, Pizza F, Perisci E, Baraldi O, Comai G, Cappuccilli ML, Centofanti F, Carretta E, Plazzi G, Colì L, Montagna P, Stefoni S (2011) Restless legs syndrome enhances cardiovascular risk and mortality in patients with end-stage kidney disease undergoing long-term haemodialysis treatment. Nephrol Dial Transplant 26(6):1976–1983
Winkelmann JW, Chertow GM, Lazarus JM (1996) Restless legs syndrome in end-stage renal disease. American J Kidney Dis 28(3):372–378
Kutner NG, Bliwise DL (2002) Restless legs complaint in African-American and Caucasian hemodialysis patients. Sleep Med 3(6):497–500
Lee JH, Parker KP, Ansari FP, Bliwise DL (2006) A secondary analysis of racial differences in periodic limb movements in sleep and ferritin in hemodialysis patients. Sleep Med 7(8):646–648
Allen RP, Earley CJ (1996) Augmentation of the restless legs syndrome with carbidopa/levodopa. Sleep 19:205–213
Garcia-Borreguero D, Allen RP, Kohnen R, Högl B, Trenkwalder C, Oertel W, Hening WA, Paulus W, Rye D, Walters A, Winkelmann J, Earley CJ (2007) Diagnostic standards for dopaminergic augmentation of restless legs syndrome: report from a World Association of Sleep Medicine—International Restless Legs Syndrome Study Group Consensus Conference at the Max Planck Institute. Sleep Med 8:520–530
Serafini A, Lorenzut S, Gigli GL, Merlino G, Valente M (2010) The use of rotigotine in the treatment of restless legs syndrome. Ther Adv Nuerol Disord 3(4):241–248
Silber MH, Girish M, Izurieta R (2003) Pramipexole in the management of restless legs syndrome: an extended study. Sleep 26(7):819–821
Stiasny K, Wetter TC, Trenkwalder C, Oertel WH (2000) Restless legs syndrome and its treatment by dopamine agonists. Parkinsonism Relat Disord 7:21–25
Bayard M, Avonda T, Wadzinski J (2008) Restless legs syndrome. Am Fam Physician 78(2):235–240
Salas RE, Gamaldo CE, Allen RP (2010) Update in restless legs syndrome. Curr Opin Neurol 23:401–406
Garcia-Borreguero D, Grunstein R, Sridhar G, Dreykluft T, Montagna P, Dom R, Lainey E, Moorat A, Roberts J (2007) A 52-week open-label study of the long-term safety of ropinirole in patients with restless legs syndrome. Sleep Med 8(7–8):742–752
Winkelman JW, Johnston L (2004) Augmentation and tolerance with long-term pramipexole treatment of restless legs syndrome (RLS). Sleep Med 5:9–14
Ferini-Strambi L (2002) Restless legs syndrome augmentation and pramipexole treatment. Sleep Med 3(Suppl):S23–S25
Vetrugno R, Contin M, Baruzzi A, Provini F, Plazzi G, Montagna P (2006) Polysomnographic and pharmacokinetic findings in levodopa-induced augmentation of restless legs syndrome. Mov Disord 21:254–258
Merlino G, Serafini A, Robiony F, Valente M, Gigli GL (2009) Restless legs syndrome: differential diagnosis and management with rotigotine. Neuropsychiatr Dis Treat 5:67–80
Baldwin CM, Keating GM (2008) Rotigotine transdermal patch: in restless legs syndrome. CNS Drugs 22:797–806
Saletu M, Anderer P, Saletu-Zyhlarz G, Prause W, Semler B, Zoghlami A, Gruber G, Hauer C, Saletu B (2001) Restless legs syndrome (RLS) and periodic limb movement disorder (PLMD): acute placebo-controlled sleep laboratory studies with clonazepam. Eur Neuropsychopharmacol 11:153–1461
Boghen D, Lamothe L, Elie R, Godbout R, Montplaisir J (1986) The treatment of the restless legs syndrome with clonazepam: a prospective controlled study. Can J Neurol Sci 13:245–247
Montagna P, Sassoli de Bianchi L, Zucconi M, Cirignotta F, Lugaresi E (1984) Clonazepam and vibration in restless legs syndrome. Acta Neurol Scand 69:428–430
Earley CJ, Silber MH (2010) Restless legs syndrome: understanding its consequences and the need for better treatment. Sleep Med 11:807–815
Silber MH, Ehrenberg BL, Allen RP, Buchfuhrer MJ, Earley CJ, Hening WA, Rye DB (2004) An algorithm for the management of restless legs syndrome. Mayo Clin Proc 79(7):916–922
Schenck CH, Mahowald MW (1996) Long-term, nightly benzodiazepine treatment of injurious parasomnias and other disorders of disrupted nocturnal sleep in 170 adults. Am J Medicine 100:333–337
Garcia-Borreguero D, Larrosa O, de la Llave Y, Verger K, Masramon X, Hernandez G (2002) Treatment of restless legs syndrome with gabapentin: a double-blind, crossover study. Neurology 59:1573–1579
Happe S, Sauter C, Klösch G, Saletu B, Zeitlhofer J (2003) Gabapentin versus ropinirole in the treatment of idiopathic restless legs syndrome. Neuropsychobiology 48:82–86
Happe S, Klosch G, Saletu B, Zeitlhofer J (2001) Treatment of idiopathic restless legs syndrome (RLS) with gabapentin. Neurology 57:1717–1719
Trenkwalder C, Hening WA, Montagna P, Oertel WH, Allen RP, Walters AS, Costa J, Stiasny-Kolster K, Sampaio C (2008) Treatment of restless legs syndrome: an evidence-based review and implications for clinical practice. Mov Disord 23(16):2267–2302
Stewart BH, Kugler AR, Thompson PR, Bockbrader HN (1993) A saturable transport mechanism in the intestinal absorption of gabapentin is the underlying cause of the lack of proportionality between increasing dose and drug levels in plasma. Pharm Res 10:276–281
Gidal BE, DeCerce J, Bockbrader HN, Gonzalez J, Kruger S, Pitterle ME, Rutecki P, Ramsay RE (1998) Gabapentin bioavailability: effect of dose and frequency of administration in adult patients with epilepsy. Epilepsy Res 31:91–99
Vollmer KO, von Hodenberg A, Kolle EU (1986) Pharmacokinetics and metabolism of gabapentin in rat, dog and man. Arzneimittelforschung 36:830–839
Lee DO, Ziman RB, Perkins AT, Poceta JS, Walters AS, Barrett RW (2011) A randomized, double-blind, placebo-controlled study to assess the efficacy and tolerability of gabapentin enacarbil in subjects with restless legs syndrome. J Clin Sleep Medicine 7(3):282–292
Cundy KC, Annamalai T, Bu L, De Vera J, Estrela J, Luo W, Shirsat P, Torneros A, Yao F, Zou J, Barrett RW, Gallop MA (2004) XP13512 [(+/−)-1-([(alphaisobutanoyloxyethoxy) carbonyl] aminomethyl)-1-cyclohexane acetic acid], a novel gabapentin prodrug: II. Improved oral bioavailability, dose proportionality, and colonic absorption compared with gabapentin in rats and monkeys. J Pharmacol Exp Ther 311:324–333
Cundy KC, Sastry S, Luo W, Zou J, Moors TL, Canafax DM (2008) Clinical pharmacokinetics of XP13512, a novel transported prodrug of gabapentin. J Clin Pharmacol 48:1378–1388
Lal R, Sukbuntherng J, Luo W, Chen D, Vu A, Tovera J, Cundy KC (2009) Pharmacokinetics of single escalating doses of gabapentin enacarbil in healthy adult volunteers: a randomized sequence, double-blind, placebo-controlled, crossover study. Clin Ther 31:1776–1786
Sommer M, Bachmann CG, Liebetanz KM, Schindehütte J, Tings T, Paulus W (2007) Pregabalin in restless legs syndrome with and without neuropathic pain. Acta Neurol Scand 115(5):347–350
Benes H, Kurella B, Kummer J, Kazenwadel J, Selzer R, Kohnen R (1999) Rapid onset of action of levodopa in restless legs syndrome: a double-blind, randomized, multicenter, crossover trial. Sleep 22(8):1073–1081
Yang C, White DP, Winkelman JW (2005) Antidepressants and periodic leg movements of sleep. Biol Psychiatry 58(6):510–514
Nofzinger EA, Fasiczka A, Berman S, Thase ME (2000) Bupropion SR reduces periodic limb movements associated with arousals from sleep in depressed patients with periodic limb movement disorder. J Clin Psychiatry 61(11):858–862
Sloand JA, Shelley MA, Feigin A, Bernstein P, Monk RD (2004) A double-blind, placebo-controlled trial of intravenous iron dextran therapy in patients with ESRD and restless legs syndrome. Am J Kidney Dis 43:663–670
Botez MI, Fontaine F, Botez T, Bachevalier J (1977) Folate-responsive neurological and mental disorders: report of 16 cases. Eur Neurol 15:230–246
Hornyak M, Voderholzer U, Hohagen F, Berger M, Riemann D (1998) Magnesium therapy for periodic leg movements-related insomnia and restless legs syndrome: an open pilot study. Sleep 21:501–505
Eliasson A, Lettieri C (2007) Sequential compression devices for treatment of restless legs syndrome. Medicine 86(6):317–323
Sun D, Huang A, Recchia FA, Cui Y, Messina EJ, Koller A, Kaley G (2001) Nitric oxide-mediated arteriolar diation after endothelial deformation. Am J Physiol Heart Circ Physiol 280:H714–H721
Mitchell U, Johnson A, Myrer J (2011) Comparison of two infrared devices in their effectiveness in reducing symptoms associated with RLS. Physiother Theory Pract 27(5):352–359
Russell M (2007) Massage therapy and restless legs syndrome. J Bodyw Mov Ther 11(2):146–150
Cui Y, Wang Y, Liu Z (2008) Acupuncture for restless legs syndrome (review). Cochrane Database of Systemic Reviews 8(4):CD006457
Mitchell UH (2011) Nondrug-related aspect of treating Ekbom disease, formerly known as restless legs syndrome. Neuropsychiatric Disease and Treatment 7:251–257
Konofal E, Cortese S, Marchand M, Mouren MC, Arnulf I, Lecendreux M (2007) Impact of restless legs syndrome and iron deficiency on attention-deficit/hyperactivity disorder in children. Sleep Med 8:711–715
Oner P, Dirik EB, Taner Y, Caykoylu A, Anlar O (2007) Association between low serum ferritin and restless legs syndrome in patients with attention deficit hyperactivity disorder. The Tohoku J Exper Medicine 213:269–276
Reinhold T, Müller-Riemenschneider F, Willich SN, Brüggenjürgen B (2009) Economic and human costs of restless legs syndrome. Pharmacoeconomics 27(4):267–279
Turk F, Quellhorst A, Troche CJ (2004) The economic burden of RLS: a human capital approach. European J Neurology 11(Supplement 2):117
Dodel R, Happe S, Peglau I, Mayer G, Wasem J, Reese JP, Giani G, Geraedts M, Trenkwalder C, Oertel WH, Stiasny-Kolster K (2010) Health economic burden of patients with restless legs syndrome in a german ambulatory setting. Pharmacoeconomics 28(5):381–393