It’s
not only wrinkles and lines that can be treated with cosmetic injections. New
therapeutic uses are being discovered, enabling plastic
surgeons to help patients with a range of non-cosmetic issues.
Scientific
studies have found good evidence to support the use of cosmetic, muscle relaxing injectables as a treatment for conditions such as neuropathic pain, facial tics, excessive sweating and
hand tremors.
Read on for a run-down of the seven
uses you (probably) never knew about…
1) Facial spasms
Facial spasms or tics (facial
dystonias) can be effectively
treated with muscle relaxing injections, studies have indicated.
In fact, such is its efficacy; it has become the principal treatment for
benign essential blepharospasm, the medical term for abnormal blinking or spasms of the eyelids.
Other dystonias it can
be used to treat include hemifacial spasms (spams on one side of the face), orbicularis
myokymia (uncontrollable
quivering of muscles around the eye) and Meige syndrome (involuntary contractions of the muscles
of the jaw and tongue).
It’s also useful for patients suffering
from apraxia of lid opening, which is the inability to initiate voluntary eyelid opening following a
period of eyelid closure.
Treatment for these conditions involves
injections into the face every three to six months.
2) Facial palsy
Patients recovering from facial
paralysis may experience abnormal healing of the nerve fibres (a condition
known as aberrant regeneration).
This mis-wiring of the nerves can in
turn lead to involuntary muscular movements. When this occurs between the eye
and the lower facial muscles it can result in associated ocular problems such
as keratitis (inflammation of the cornea) and corneal exposure.
One randomised controlled trial tested muscle relaxants at four injection sites in the orbicularis oculi (upper
eye muscle) which resulted in significant improvements.
3) Migraines
The beneficial effect of cosmetic injections on
migraines was discovered by accident while being used for cosmetic use.
It is especially useful for people
suffering from chronic migraines (more than 15 a month). Two large studies have
been carried out, which showed that the injectable muscle relaxant was significantly superior to placebo
in reducing headache days and improved overall quality-of-life.
The studies also demonstrated that such injectables were safe and
well tolerated, leading to the subsequent approval by the U.S. Food and Drug
Administration in 2010 for this use.
The treatment for chronic migraines involves
the injecting of small amounts of muscle relaxants in 31 sites in the head and neck,
repeated every 12 weeks. The injections target the sensory nerves rather than
the muscles.
4) Hand tremors
Many people
associate shaky hands with Parkinson’s disease, but the most common cause of shaking hands is actually
essential tremor.
Essential tremor is the most common neurologic disorder affecting adults and, unlike Parkinson’s,
results in shaking when a sufferer tries to use a muscle rather than when the
muscle is at rest.
Two double-blind
studies have compared cosmetic injections to placebo into the arms of 158
patients with moderate to severe essential hand tremor with significant
improvements observed.
5) Excessive sweating
Hyperhidrosis, or excessive
sweating, is a condition that commonly
affects the underarms, palms, and face. Muscle relaxing injections have been found to
successfully prevent excessive sweating in all instances for a period of up to
six months.
It works by temporarily blocking signals from
the nervous system to the sweat glands. The treatment requires
injecting a series of small volumes of muscle relaxnt directly into the skin covering
the anatomical area. Improvement is normally noticed within
three weeks.
6) Neuropathic pain
Neuropathic
pain (chronic burning,
tingling or shooting pains)
is caused by damage or disease affecting the somatosensory nervous
system.
Conditions that
can trigger neuropathic pain include spinal chord injuries, surgical nerve damage, multiple
sclerosis, diabetes, HIV and
stroke.
Damaged nerve fibres
send incorrect signals to other pain centres resulting in pain from normally non-painful
stimuli.
Neuropathic pain can
be very difficult to treat, often responding poorly to standard pain treatments. However, local injections of muscle relaxant into
the affected site, which inhibit nerve signals, can bring pain relief for up to
14 weeks.
7) Upper
limb spasms (spasticity)
Upper limb spasms (known medically as
upper limb spasticity) have various causes, such as multiple sclerosis, central
nervous system tumours, stroke, and cerebral palsy.
A total of 11 clinical trials have
demonstrated that injectable muscle relaxant is both safe and effective in reducing spasms, although
there is not enough evidence to show it improves function of the limb.
Studies also suggest that these injections
could be used as an alternative to surgery and splinting in the upper limbs of
children with cerebral palsy.
Treatment at Ocean Clinic Marbella
Ocean Clinic’s Department for
Non-Surgical Treatments is headed up by Dr. Gabriela Casabona.
If
you would like to discuss potential treatment for a non-cosmetic/cosmetic
issue, contact us to book a free
consultation.
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