Anterior quadratus lumborum blocks for postoperative pain treatment following intra-abdominal surgery: A systematic review with meta-analyses and trial sequential analyses.

Background: The anterior quadratus lumborum (QL) block may be used for postoperative pain management for intra-abdominal surgeries, but the evidence is uncertain. We aimed to investigate the benefit and harm of the anterior QL block compared to placebo/no block for intra-abdominal surgery.

Methods: We searched Medline, Embase, and CENTRAL for randomized controlled trials investigating anterior QL block for postoperative pain management for adult patients undergoing any intra-abdominal surgery.

Effect of blood-flow restriction exercise on falls and fall related risk factors in older adults 60 years or above: a systematic review.

This systematic review investigated the effect of low-load resistance training combined with blood-flow restriction (LL-BFR) on falls in older adults ≥60 years of age. The databases Embase, Medline, and Cochrane Library were searched from inception to October 1, 2019 and reference lists of retrieved publications. Main outcomes were fall rates or proportion of fallers.