D Mulherin1, M Price. 1. Mid Staffordshire NHS Foundation Trust, Cannock Chase Hospital, Brunswick Road, Cannock, United Kingdom. diarmuid.mulherin@midstaffs.nhs.uk
Abstract
BACKGROUND:Plantar Heel Pain Syndrome (PHPS) describes centralised plantar heel pain and tenderness. It can account for up to 15% of referrals to clinicians involved in the treatment of foot pain. OBJECTIVE: To compare tibial nerve block, local infiltration with steroid or both combined in the treatment of PHPS. METHODS:Patients with PHPS were randomly assigned to three treatment groups: Group 1-steroid injection to heel; Group 2-local anaesthetic block to tibial nerve; Group 3-both procedures. Pain visual analogue scale (VAS) was measured at baseline and after 1, 6 and 26 weeks. Heel tenderness index (HTI) was measured at baseline and after 6 weeks. The patient rated their discomfort from the injection(s) using a VAS. RESULTS:Forty-five patients (27 female) were recruited, 14 in Group 1, 12 in Group 2 and 19 in Group 3. Median age was 55, disease duration was 10 months and baseline pain VAS was 7.0 cm. All groups experienced a sustained improvement in pain VAS between baseline and weeks 1, 6 and 26 (all p<0.0001). Group 1 reported significantly lower pain VAS that those in Group 2 (p<0.01) or Group 3 (p<0.05) at week 6. Group 2 found the procedure less uncomfortable than Group 1 (p<0.01). The HTI was significantly higher in Group 2 at 6 weeks compared to Group 1 (p<0.005) and Group 3 (p<0.05). CONCLUSIONS: This study suggests that the natural history of PHPS following an injection is encouraging, that a tibial nerve block reduces the discomfort of the procedure, that a steroid injection to the heel may accelerate improvement and that clinicians should consider a combination of both strategies.
RCT Entities:
BACKGROUND:Plantar Heel Pain Syndrome (PHPS) describes centralised plantar heel pain and tenderness. It can account for up to 15% of referrals to clinicians involved in the treatment of foot pain. OBJECTIVE: To compare tibial nerve block, local infiltration with steroid or both combined in the treatment of PHPS. METHODS:Patients with PHPS were randomly assigned to three treatment groups: Group 1-steroid injection to heel; Group 2-local anaesthetic block to tibial nerve; Group 3-both procedures. Pain visual analogue scale (VAS) was measured at baseline and after 1, 6 and 26 weeks. Heel tenderness index (HTI) was measured at baseline and after 6 weeks. The patient rated their discomfort from the injection(s) using a VAS. RESULTS: Forty-five patients (27 female) were recruited, 14 in Group 1, 12 in Group 2 and 19 in Group 3. Median age was 55, disease duration was 10 months and baseline pain VAS was 7.0 cm. All groups experienced a sustained improvement in pain VAS between baseline and weeks 1, 6 and 26 (all p<0.0001). Group 1 reported significantly lower pain VAS that those in Group 2 (p<0.01) or Group 3 (p<0.05) at week 6. Group 2 found the procedure less uncomfortable than Group 1 (p<0.01). The HTI was significantly higher in Group 2 at 6 weeks compared to Group 1 (p<0.005) and Group 3 (p<0.05). CONCLUSIONS: This study suggests that the natural history of PHPS following an injection is encouraging, that a tibial nerve block reduces the discomfort of the procedure, that a steroid injection to the heel may accelerate improvement and that clinicians should consider a combination of both strategies.
Authors: Andrew M McMillan; Karl B Landorf; Mark F Gilheany; Adam R Bird; Adam D Morrow; Hylton B Menz Journal: J Foot Ankle Res Date: 2010-07-16 Impact factor: 2.303
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