ESRA19-0582 Subarachnoid block with ultrasound guided transversalis fascia plane block for cesarean section: a randomized controlled double blind study

Quadratus lumborum block for postoperative analgesia: a systematic review and meta-analysis

“…The risk of bias was unclear in most domains for all ten abstracts. [12][13][14][15][16][17][18][19][20][21] Of the 42 included studies, eight were assessed as high risk of bias in at least one domain. 13,[22][23][24][25][26][27][28] Six studies were assessed as low risk of bias in all domains.…”

“…[12][13][14][15][16][17][18][19][20][21] Of the 42 included studies, eight were assessed as high risk of bias in at least one domain. 13,[22][23][24][25][26][27][28] Six studies were assessed as low risk of bias in all domains. [29][30][31][32][33][34] The remaining 28 studies had an unclear risk of bias in at least one domain.…”

“…27,34,39,40 Thirty-one trials used a predetermined LA volume between 15 and 30 mL per injection. [12][13][14][15][16][17][18][21][22][23][24][25][26]28,29,[31][32][33][41][42][43][44][45][46][47][48][49][50][51][52][53] The dosage regimen or the type of LA was not stated in two of the abstracts. 19,20 With respect to LA type, 19 trials used ropivacaine (0.2-0.75%) 12,14,17,18,22,24,27,29,[31][32][33][34][39][40]…”

“…19,20 With respect to LA type, 19 trials used ropivacaine (0.2-0.75%) 12,14,17,18,22,24,27,29,[31][32][33][34][39][40][41]46,49,50,53 and 15 used bupivacaine (0.125-0.5%). 13,15,16,21,23,26,30,[35][36][37][38]42,44,45,51 Three trials used an admixture of LA (bupivacaine with lidocaine), 28,43,52 and three trials used levobupivacaine. 25,47,48 Type of surgery All studies involved adult patients undergoing various abdominal or hip procedures.…”

“…The Table 1 lists the types of surgeries. The included studies used QLB for the following surgical procedures: Cesarean delivery (14 studies), 13,15,24,27,30,[33][34][35]39,42,43,48,50,53 gynecological surgery (four studies), 12,44,47,49 abdominal general surgery (11 studies), 14,17,20,21,29,32,37,38,41,45,46 orthopedic surgery (six studies), 16,18,22,23,25,52 and urological procedures (seven studies). 19,26,28,31,36,40,51 Comparators All trials compared a specific QLB with either placebo or another analgesic technique.…”