Lidocaine injection + physiotherapy comparable to monotherapy for myofascial pain syndrome .
OrthoEvidence Journal (OE Journal) - ACE Report
OE Journal. 2016;4(8):24 BMC Musculoskelet Disord. 2016 Feb 24;17(1):101.135 patients with myofascial pain syndrome located in the muscles of the shoulder were randomized to either physical therapy, lidocaine injection, or a combination of physical therapy and lidocaine injection, for the purpose of determining whether combination therapy is more effective than monotherapies for improving pain, function, and quality of life outcomes after 3 months. Results demonstrated that all relevant clinical outcomes were comparable between all study groups at final follow-up, suggesting that the combination of the two monotherapies was equally as effective as its singular components.
Was the allocation sequence adequately generated?
Was allocation adequately concealed?
Blinding Treatment Providers: Was knowledge of the allocated interventions adequately prevented?
Blinding Outcome Assessors: Was knowledge of the allocated interventions adequately prevented?
Blinding Patients: Was knowledge of the allocated interventions adequately prevented?
Was loss to follow-up (missing outcome data) infrequent?
Are reports of the study free of suggestion of selective outcome reporting?
Were outcomes objective, patient-important and assessed in a manner to limit bias (ie. duplicate assessors, Independent assessors)?
Was the sample size sufficiently large to assure a balance of prognosis and sufficiently large number of outcome events?
Was investigator expertise/experience with both treatment and control techniques likely the same (ie.were criteria for surgeon participation/expertise provided)?
Sì = 1
Incerto = 0,5
Non rilevante = 0
No = 0
La valutazione dei criteri di segnalazione valuta la trasparenza con cui gli autori riportano le caratteristiche metodologiche e sperimentali dello studio all'interno della pubblicazione. La valutazione è suddivisa in cinque categorie che vengono presentate di seguito.
3/4
Randomization
3/4
Outcome Measurements
4/4
Inclusion / Exclusion
4/4
Therapy Description
4/4
Statistics
Detsky AS, Naylor CD, O'Rourke K, McGeer AJ, L'Abbé KA. J Clin Epidemiol. 1992;45:255-65
L'Indice di Fragilità è uno strumento che aiuta l'interpretazione dei risultati significativi, fornendo una misura della forza di un risultato. L'Indice di Fragilità rappresenta il numero di eventi consecutivi che devono essere aggiunti a un risultato dicotomico per rendere il risultato non più significativo. Un numero piccolo rappresenta un risultato più debole, mentre un numero grande rappresenta un risultato più forte.
Perché questo studio era necessario ora?
Myofascial pain syndrome (MPS) is often characterized by the presence of myofascial trigger points (MTrPs) and associated hypersensitive areas that induce pain, tenderness, and autonomic behaviour when manipulated. Current conservative treatments include ultrasound therapy, massage and stretching with aerosolized fluoromethane, and physiotherapy. However, whether or not a superior treatment (or combination of treatments) exists has yet to be determined, and thus, the current study was conducted.
Qual era la domanda di ricerca principale?
For patients with myofascial pain syndrome, did the combination of physical therapy and lidocaine injection (without epinephrine) demonstrate significantly improved pain ratings, function, quality of life, and depressive symptoms when compared to physical therapy or lidocaine injection alone, as assessed up to 3 months post-intervention?
- VAS pain scores measured 1-month post-intervention were similar when patients who received combination therapy (PT+LI) were compared to patients who received physical therapy alone (PT group, p=0.56) and those who received lidocaine injection therapy alone (LI group, p=0.545).
- PHQ-9 and SF-36 subscale (measuring depression symptoms and quality of life, respectively) differences between groups were not significant after one-month post-treatment. When SF-36 subscales were analyzed individually, patients in the PT+LI group recorded significant improvements in health when compared to patients in the PT group (p=0.03). No statistical difference was observed between the LI group and the PT+LI group.
- VAS pain scores, PHQ-9 scores, and SF-36 scores were comparable between all study groups when measured at 3 months post-intervention (p>0.05).
- Right upper limb hand-back maneuver scores for patients in the PT and PT+LI groups were significantly higher when compared to patients who received LI therapy alone (p=0.013,p=0.016 respectively) at 1 month and 3 months post-intervention. Left upper limb hand-back maneuver scores, we well as hand-mouth maneuver scores were comparable between all study group at all follow-up points.
- Analgesic use was comparable between patients in all study groups. 4 patients in the PT+LI group and 2 patients in the LI group experienced localized hematomas. One participant in the LI group reported minimal bleeding; there were no complications recorded in the PT group.
Che cosa devo ricordare di più?
For patients with myofascial pain syndrome (MPS), treatment via physiotherapy alone, lidocaine injection therapy alone, or combination therapy (physiotherapy and lidocaine injection) resulted in comparable outcomes at all relevant primary and secondary measures when measured at one and three months post-treatment.
Come influenzerà l'assistenza ai miei pazienti?
The results of this study suggest that physical therapy and lidocaine injection combination therapy may be similarly effective in improving pain, function, and quality of life outcomes when compared to patients who received either monotherapy at all follow-up points. Future randomized controlled trials with larger patient populations and more patient-focused functional outcomes should be conducted in order to corroborate this study's findings.
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