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Table 1 Characteristics of included studies

From: Ultrasound-guided erector spinae plane block for postoperative analgesia: a meta-analysis of randomized controlled trials

 

No. Of patients

Surgical procedure

ASA

Patient Characteristics

ESPB group

Control group

GA induction

Tulgar 2018 (1)

30 (15/15)

Laparoscopiccholecystectomy

I-II

18–65 years of age

Bilateral ultrasound-guided ESPB at the level of T9 transverse process using 10 mL of bupivacaine 0.375% on each side

Received no intervention

Propofol 2–3mgkg − 1,fentanyl100μg and rocuronium bromide 0.6 mg kg − 1

Gürkan 2018

50 (25/25)

Elective breast cancer surgery

I-II

Aged 20–65 years

Ultrasound (US)-guided ESPB with 20 ml 0.25% bupivacaine at the T4 vertebral level

Received no intervention

Propofol(2–3 mg kg − 1) and fentanyl(2 mg kg − 1) iv, rocuronium 0.6 mg kg − 1

Tulgar 2018

(2)

40 (20/20)

Hip and proximal femur surgery

I-III

Aged 18–65 years

Ultrasound-guided ESPB at T9 vertebrae level with 20 ml bupivacaine 0.5%, 10 ml lidocaine 2%,

Underwent thesame procedure but had no block

Propofol 2-3 mg/kg, fentanyl 100 μg and rocuronium bromide 0.6 mg/kg.

Singh 2019

(1)

40 (20/20)

Elective lumbarspine surgery

I-III

18–65 years of age

Ultrasound (US)-guided ESPB with total 20 ml 0.5% bupivacaine at the T10 vertebral level

Received no intervention

Propofol 2 to3 mg/kg, morphine 0.1 mg/kg and vecuronium 0.1 mg/kg

Gürkan 2019

50 (25/25)

Elective unilateral breast surgery

I-II

Aged 18–65 years

Ultrasound (US) guided ESP block with 20 ml 0.25% bupivacaine at the T4 vertebral level

Received no intervention

Propofol (2–3 mg kg − 1) and fentanyl (2 μg kg − 1) iv and rocuronium 0.6 mg kg − 1

Singh 2019

(2)

40 (20/20)

Modified radical mastectomy

I-II

Female patients between 20 and 55 years

Ultrasound (US)-guided ESP block with total 20 ml 0.5% bupivacaine at the T5 vertebral level

Received no intervention

Propofol 2–3 mg kg − 1 , morphine 0.1 mg kg – 1, and vecuronium 0.1 mg kg − 1

Aksu 2019 (1)

46 (23/23)

LaparoscopicCholecystectomy

I-II

20–75 years of age

Ultrasound (US) guided ESP block with 20 ml 0.25% bupivacaine at the T5–6 vertebral level

Received no intervention

Propofol (2–3 mg kg-1) and fentanyl (2 mg kg-1) iv and Rocuronium (0.6 mg kg-1)IV

Ciftci 2019

60 (30/30)

Video-Assisted Thoracic surgery

I-II

18–65 years of age

Ultrasound guided Bilateral ESP block with20ml of 0.375% bupivacaine at the T5 vertebral level

Received no intervention

Propofol (2–2.5 mg/kg) and fentanyl (1–1.5 mg/kg) and rocuronium bromide (0.6 mg/kg)

Ciftci 2019

60 (30/30)

Video-Assisted Thoracic surgery

I-II

18–65 years of age

Ultrasound guided Bilateral ESP block with20ml of 0.375% bupivacaine at the T5 vertebral level

Received no intervention

Propofol (2–2.5 mg/kg) and fentanyl (1–1.5 mg/kg) and rocuronium bromide (0.6 mg/kg)

Yayik 2019

60 (30/30)

Lumbar Spinal Decompression Surgery

I-III

18–65 years of age

Ultrasound guided Bilateral ESP block with 0.25% bupivacaine 20 mL at the L3 vertebral level

No intervention was performed

2 mg/kg IV propofo, 0.6 mg/kg IV rocuronium and 2 mcg/kg IV fentanyl

Hamed 2019

60 (30/30)

Abdominal hysterectomy

I-III

Women aged 40–70 years old and weighed 50–90 kg

Ultrasound-guided ESPB at T9 vertebrae level with 20 ml bupivacaine 0.5%.

Underwent the same procedure but had a sham injection(20 ml of saline)

Fentanyl 2 mcg.kg − 1 and propofol 2 mg.kg1, followed by atracurium 0.5 mg.kg − 1

AKSU 2019 (2)

50 (25/25)

elective breast surgery

I-II

Aged between 25 and 70 years

Ultrasound-guided ESPB betweenT2 and T4 with 10 ml of 0.25% bupivacaine

No intervention was performed

Propofol (2–3 mg/kg) and fentanyl (2 mg/kg) iv and Rocuronium 0.6 mg/kg was administered iv