• Döndü Genç Moralar, Busra Tok Cekmecelioglu, Murat Aslan, and Gülsüm O Hergünsel.
• Clinic of Anesthesia and Reanimation, Bakırköy Dr. Sadi Konuk Education and Research Hospital, University of Health Sciences, Istanbul, Turkey - dondugencm@gmail.com.
• Minerva Anestesiol. 2020 Feb 1; 86 (2): 150-156.

BackgroundQuadratus lumborum block (QLB) is a newly-defined trunk block performed with local anesthetic injection by imaging the abdominal muscles with ultrasonography (US) guidance; thus, analgesia is expected to be ensured from the T7-L1 dermatomal segment level. In the study, the aim was making the comparison between the quadratus lumborum block and the intravenous analgesia with tramadol on postoperative analgesic effect in pediatric patients undergoing lower abdominal surgery.MethodsPatients included in the study were randomly divided into two groups. Cases were assessed as intravenous opioid with 1 mg/kg tramadol HCl (Group O, N.=20) or ultrasonography-guided quadratus lumborum block (Group B, N.=20). Total analgesic amounts in 24 hours and first analgesic requirement times recorded.ResultsFirst analgesic requirement was recorded 3.5 hours later for Group O and eight hours later for Group B, indicating a statistically significant difference (P<0.05). When analgesic consumption in the first 24 hours postoperative is examined, fewer patients in the QLB group required oral paracetamol (P<0.05), therefore lower amounts of oral paracetamol were used (P<0.05).ConclusionsIn conclusion, we believe QLB1 provides effective analgesia in the postoperative period for lower abdominal surgery in pediatric patients.

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