Čeprav je bila metodološka kakovost vključenih raziskav dobra (ocene po lestvici PEDro od pet do sedem) je potrebno omeniti, da so bili vzorci preiskovancev večinoma majhni. Poleg tega lahko ugotovitve pregleda posplošujemo le na paciente z multiplo sklerozo z nizkimi ocenami po EDSS lestvici (od 2,4 do 4,6), vendar bi bila izvedljivost vadbe z WBV pri pacientih z višjimi ocenami vprašljiva, saj bi bila vadba za njih lahko prezahtevna.
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V posameznih raziskavah so sicer uporabili ustrezna merilna orodja za populacijo pacientov z multiplo sklerozo (Udovčić Pertot et al., 2016), vendar bi standardiziran postopek ocenjevanja lahko izboljšal primerjavo rezultatov raziskav in pomagal pri razvoju učinkovitega vadbenega programa, ki bi ga lahko vpeljali v širše klinično okolje (Wolfsegger et al., 2014).
Slabost treh vključenih raziskav (Alguacil Diego et al., 2012; Broekmans et al., 2010; Ebrahimi et al., 2015) je bila, da je bila kontrolna skupina pasivna, saj v tem primeru razlike med skupinama ne moremo pripisati le učinkom WBV. Uszynski in sodelavci (2015) zato svetujejo, da bi morali v prihodnjih raziskavah preiskovance razdeliti v tri skupine: preiskovalno, ki bi bila deležna vadbe z WBV, kontrolno skupina, ki bi izvajala enake vaje na tleh in placebo skupino, ki bi izvajala enake vaje na plošči, le da bi bile v tem primeru vibracije ublažene oziroma prikrite.
6 ZAKLJUČEK
S pregledom literature smo ugotovili, da so WBV večinoma neučinkovite za izboljšanje hoje in ravnotežja pacientov z multiplo sklerozo. Nakazuje se le učinkovitost za izboljšanje vzdržljivosti pri hoji ob primerni kombinaciji parametrov vibracij in vadbe. Rezultati o učinkovitosti za ravnotežje so nasprotujoči. Na podlagi dveh raziskav, v katerih so obravnave bile najučinkovitejše, se kot najprimernejša kombinacija parametrov vibracij nakazujejo frekvence do 30 Hz in amplitude do 2 mm, trajanje izpostavljenosti vibracijam od pol minute do dveh minut in odmor med vajami vsaj 30 s. Vadbeni program naj bi se izvajal trikrat tedensko in naj bi bil dolg vsaj tri tedne. Potrebne so nadaljnje raziskave, s katerimi bi ugotovili učinkovitost vibracij za izboljšanje hoje in ravnotežja pacientov z multiplo sklerozo in najustreznejšo kombinacijo parametrov vibracij in vadbenega programa.
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