The journal of headache and pain · 2013
Lidocaine injection of pericranial myofascial trigger points in the treatment of frequent episodic tension-type headache.
СтатьяРандомизированное исследованиеНазвание и аннотация: Перевод пока не подготовлен
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Karadaş Ömer, Gül Hakan L, Inan Levent E
Аннотация
BACKGROUND: The present study aimed to evaluate the efficacy of local lidocaine injections into the myofascial trigger points (TPs) located at the pericranial muscles in patients with episodic tension-type headache (ETTH).
METHODS: The study included 108 patients with frequent ETTH that were randomized into 4 groups. One injection of saline (NaCl 0.9%) was administered to group 1 (n = 27), 1 injection of lidocaine (0.5%) was administered to group 2 (n = 27), group 3 (n = 27) received 5 injections of saline (NaCl 0.9%), and group 4 (n = 27) received 5 injections of lidocaine (0.5%); on alternate days 2 mL for each muscle was injected into the frontal, temporal, masseter, sternocleidomastoid, semispinalis capitis, trapezius and splenius capitis muscles bilaterally. The frequency of painful days per month (FPD) and the patients' visual analogue scales (VAS) were evaluated before treatment, and 2, 4 and 6 months after treatment.
RESULTS: Mean age of the patients was 36.28 ± 9.41 years (range: 18-54 years). FPD scores improved significantly in group 2, 3 and 4 at 2 months posttreatment compared to pre- treatment (all P < 0.05), and also VAS scores improved significantly in group 2 and 4 at 2 months posttreatment (P < 0.05) but this improvement insisted at the 6 month only in group 4. Group 2 had better VAS and FPD than group 1 only at 2. and 4. months after treatment (for VAS P < 0.0121, P = 0.0232; for FPD P = 0.0003, P = 0.0004, respectively). Group 4 had better scores than group 3 at the 2., 4. and 6. months after treatment in both parameters (all P < 0.05). Group 2 had better scores than group 1 in FPD at the 2. and 4. months posttreatment (P = 0.0003, P = 0.0004, respectively), but not at the 6. month.
CONCLUSION: Local lidocaine injections into the myofascial TPs located in the pericranial muscles could be considered as an effective alternative treatment for ETTH.
METHODS: The study included 108 patients with frequent ETTH that were randomized into 4 groups. One injection of saline (NaCl 0.9%) was administered to group 1 (n = 27), 1 injection of lidocaine (0.5%) was administered to group 2 (n = 27), group 3 (n = 27) received 5 injections of saline (NaCl 0.9%), and group 4 (n = 27) received 5 injections of lidocaine (0.5%); on alternate days 2 mL for each muscle was injected into the frontal, temporal, masseter, sternocleidomastoid, semispinalis capitis, trapezius and splenius capitis muscles bilaterally. The frequency of painful days per month (FPD) and the patients' visual analogue scales (VAS) were evaluated before treatment, and 2, 4 and 6 months after treatment.
RESULTS: Mean age of the patients was 36.28 ± 9.41 years (range: 18-54 years). FPD scores improved significantly in group 2, 3 and 4 at 2 months posttreatment compared to pre- treatment (all P < 0.05), and also VAS scores improved significantly in group 2 and 4 at 2 months posttreatment (P < 0.05) but this improvement insisted at the 6 month only in group 4. Group 2 had better VAS and FPD than group 1 only at 2. and 4. months after treatment (for VAS P < 0.0121, P = 0.0232; for FPD P = 0.0003, P = 0.0004, respectively). Group 4 had better scores than group 3 at the 2., 4. and 6. months after treatment in both parameters (all P < 0.05). Group 2 had better scores than group 1 in FPD at the 2. and 4. months posttreatment (P = 0.0003, P = 0.0004, respectively), but not at the 6. month.
CONCLUSION: Local lidocaine injections into the myofascial TPs located in the pericranial muscles could be considered as an effective alternative treatment for ETTH.