Effects of low-intensity pulsed ultrasound as an adjunct to conventional physiotherapy on post-operative pain and functional ability of total knee arthroplasty patients

Munajat, Munayati and Mohd Nordin, Nor Azlin and Zulkifly, Ahmad Hafiz and Mohamad Yahaya, Nor Hamdan (2021) Effects of low-intensity pulsed ultrasound as an adjunct to conventional physiotherapy on post-operative pain and functional ability of total knee arthroplasty patients. In: 50th Malaysia Orthopaedic Association Annual Scientific Meeting 2021, 22 - 26 June 2021, Virtual. (Unpublished)

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Abstract

Introduction Low-intensity pulsed ultrasound as an adjunct treatment modality for acute management has shown bene cial for recovery of in ammation and joint function of patients after total knee arthroplasty (TKA). However, there is limited documentation on the effects of combining low-intensity pulsed ultrasound in TKA rehabilitation. This study aimed to determine the effect of low-intensity pulsed ultrasound as an adjunct to conventional physiotherapy on the recovery of post-operative pain and functional ability after TKA. Methodology This assessor-blinded quasi-experimental study was conducted among TKA patients at a university medical center. Participants were alternately allocated to receive either low-intensity pulsed ultrasound-added conventional physiotherapy (n = 16, experimental group) or conventional physiotherapy alone (n = 16, control group). The intervention was conducted for 12 weeks (4 times for the rst week post-TKA, once a week for the following 2 weeks, and once in every two weeks for another 9 weeks). The low-intensity pulsed ultrasound in the experimental group was conducted at the rst 3 weeks of post-operation. Visual analogue scale and Lower Extremity Functional Scale were used to assess pain and functional ability respectively: at post-operative day 2 (baseline assessment for pain and functional ability), week 4 of intervention (to assess pain) and week 12 of intervention (to assess functional ability). Collected data was analyzed using mixed model ANOVA. Results The study showed a signi cant interaction between time and group for pain (p < 0.05, 2 = 0.14). The participants’ pain after low-intensity pulsed ultrasound-added conventional physiotherapy (mean SD = 1.64 1.40) reduced lower than the pain in participants after conventional physiotherapy alone (mean SD = 3.40 1.50) at week 4 of intervention. However, there was no signi cant interaction time-group for functional ability (p > 0.05, 2 = 0.11). Conclusion Integration of low-intensity pulsed ultrasound and conventional physiotherapy provides better effect in pain alleviation following TKA.

Item Type:	Conference or Workshop Item (Slide Presentation)
Subjects:	R Medicine > RM Therapeutics. Pharmacology > RM695 Physical medicine. Physical therapy
Kulliyyahs/Centres/Divisions/Institutes (Can select more than one option. Press CONTROL button):	Kulliyyah of Allied Health Sciences Kulliyyah of Allied Health Sciences > Department of Physical Rehabilitation Sciences
Depositing User:	Dr Munayati Munajar@Munajat
Date Deposited:	17 Oct 2021 16:05
Last Modified:	28 Dec 2021 17:41
URI:	http://irep.iium.edu.my/id/eprint/92096

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