Liposomal bupivacaine versus conventional anesthetic or placebo for hemorrhoidectomy: a systematic review and meta-analysis.

"data availability the datasets generated during and/or analyzed during the current study are available at https://github com/notlui5/liposomal-bupivacaine_others ."

"data availability the datasets generated during and/or analyzed during the current study are available at https://github com/notlui5/liposomal-bupivacaine_others . controlled vocabulary supplemented with keywords was used to search for studies of liposomal bupivacaine for hemorrhoidectomy (supplementary emethods https://github com/notlui5/liposomal-bupivacaine_others ).; the overall risk of bias was high in one study and with some concern in two studies (supplementary efig 1 https://github com/notlui5/liposomal-bupivacaine_others )."

"Declarations Conflict of interestThe authors declare that there is no conflict of interest. Ethical standardsThe study followed the PRISMA guidelines for systematic reviews and meta-analysis. Informed consentFor this type of study formal consent is not required. Conflict of interest The authors declare that there is no conflict of interest."

"Funding Open access funding provided by SCELC, Statewide California Electronic Library Consortium. The authors declare that there is no funding support for this manuscript."