“…The extension time varied among the studies, ranging from 24 hours (predominantly) up to 7 days in a clinical trial by Mickelson. 40 The systematic implementation of a physiotherapy protocol after CCH treatment is another controversial point regarding the outcomes. Thirteen articles indicate that patients were systematically referred to an established physiotherapy protocol or that monitoring was performed by specialist physiotherapists, 20,25,29,32,34,35,40,41,44,48,[51][52][53] four specify that patients did not receive physical therapy, 6,22,49,54 two have indicated it only if necessary, 46,55 and the rest did not indicate whether or not a physiotherapy protocol was included in the treatment protocol.…”