Abstract Title:

Low-level laser therapy improves pain in postcesarean section: a randomized clinical trial.

Abstract Source:

Lasers Med Sci. 2019 Oct 28. Epub 2019 Oct 28. PMID: 31659541

Abstract Author(s):

Alane Macatrao Pires de Holanda Araujo, Kassio Rafael Rocha de Sena, Edson Meneses da Silva Filho, Rodrigo Pegado, Maria Thereza Albuquerque Barbosa Cabral Micussi

Article Affiliation:

Alane Macatrao Pires de Holanda Araujo


This study aimed to evaluate the effect of low-level laser therapy (LLLT) on immediate postpartum pain relief during cesarean section. A randomized, parallel controlled trial was carried out. In total, 88 women with immediate postpartum were divided into 4 groups: control group (n = 22), placebo group (n = 22), experimental group I (n = 22, dose of 4 J/cm), and experimental group II (n = 22, dose of 2 J/cm). The pain measured by Numeric Rating Scale (NRS), algometry, and Global Change Perception Scale (GCPS) was assessed at 12, 20-24, and 44-48 h postpartum. Two LLLT sessions were performed at 12 and 24 h postpartum. A significant interaction was observed between time versus group for NRS F (2.40) = 36.80, p<0.001 and algometry F (1.70) = 27.18, p<0.001. GCPS revealed a significant difference between the groups during second (p = 0.04) and third evaluation (p = 0.04). The NRS and algometry presented a large effect size for the experimental groups. LLLT is an efficient method to reduce pain and enhance the GCP in postcesarean section. No significant clinical differences were found between the laser doses.

Study Type : Human Study

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