The mainstay of treatment for plantar fasciitis is non-surgical treatment. Very few patients who suffer with plantar fasciitis require a surgical procedure. The numbers requiring surgery are less than 5%. It is recommended that surgery should not be considered unless the symptoms of plantar fasciitis persist for more than six months.
Non-surgical treatments of plantar fasciitis:
1. Rest and non-steroidal anti-inflammatory drugs
This has been the mainstay of treatment for plantar fasciitis. In a recent article in the British Medical Journal published October 2007 the recommendation for non-surgical treatment of plantar fasciitis has solely been non-steroidal anti-inflammatory creams and tablets. There is no evidence that non-steroidal anti-inflammatory drugs change the tendon pathology. The non-steroidal anti-inflammatory drugs simply treat the pain of plantar fasciitis. Non-steroidal anti-inflammatory drugs carry risk, although the risk is small. The risks from non-steroidal anti-inflammatories include gastric irritation and in very rare cases, the risk of peptic ulceration resulting in bleeding and death.
There has been published data on the efficacy of non-steroidal anti-inflammatory drugs in the treatment of plantar fasciitis. One such paper is a multicentre double blind randomised trial carried out by Labelle and Guibert. This study compared 28 days of oral non-steroidal anti-inflammatories with placebo in 129 patients. Both groups were temporarily immobilised. The treatment group reported less subjective pain. However, a lack of improved grip and functional ability, coupled with gastro-intestinal side effects from the non-steroidals, prevented the Authors from endorsing oral non-steroidals for plantar fasciitis
In a second randomised trial published by Hay Et Al, published in the BMJ in 1999. This study looked at a two week course of Naproxen versus placebo. It failed to show a treatment effect at four weeks, six months and twelve months.
2. Physical therapy
Physical therapy is often prescribed for plantar fasciitis. The most effective mode of therapy and treatment are still matters of debate. There is no conclusive research evidence that shows that physical therapy is a cure for plantar fasciitis
Corticosteroid injections have been used to treat the acute pain of plantar fasciitis. There have been several investigations which have evaluated the efficacy of steroid injection versus non-steroidal anti-inflammatories and placebo. These papers include one by Smidt et al, published in the Lancet in 2002, also Hay et al, published in the BMJ 1999 and Lewis et al, published in the Clinical Journal of Pain 2005.
These investigations show that there is pain relief early after the injections. This pain relief usually lasts somewhere from five to six weeks. However, at longer follow up, between twelve weeks and twelve months, the results of those who received steroid injections were the same as, or worse than, those of other treatment groups. Potential explanations are that the injections may have weakened the tendon itself or that patients may have further aggravated the tendon during the relatively painless period early after the injection.
A paper by Altay et al, published in 2002, showed no differences in outcomes at a year when injected with local anaesthetic versus local anaesthetic and corticosteroid injections.
Recent research has highlighted the risks associated with corticosteroid injections.
In addition to the common side effects of skin de-pigmentation and fat atrophy, steroids have been shown to decrease collagen production, as well as tenosite replication. Common extensor tendon rupture has also been reported following local corticosteroid injection.
Orthosis devices have been prescribed for patients with plantar fasciitis. These include a proximal band, otherwise known as a plantar fasciitis clasp, or a cock up splint. There have been conflicting studies regarding the efficacy of splinting for plantar fasciitis. Some clinicians feel that splinting may even hinder recovery.
To date there have been no adequately powered studies to determine their efficacy.
5. Shockwave therapy
Extra corporeal shockwaves are single pulsed sonic waves that dissipate energy at the interface of two substances with differences in acoustic impedance. The mechanism by which these waves produce symptomatic relief is well understood. These shockwaves have been used in the treatment of plantar fasciitis.
6. Other Modalities
Other modalities have been used for the treatment of plantar fasciitis. These include laser light therapy and low intensity ultrasound therapy. Studies on these modalities have shown limited clinical usefulness.
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A 12 page, illustrated guide to plantar fasciitis to help you understand the condition and manage plantar fasciitis pain.