{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,18]],"date-time":"2026-09-18T14:32:44Z","timestamp":1789741964941,"version":"4.0.1"},"reference-count":61,"publisher":"Wiley","license":[{"start":{"date-parts":[[2026,1,29]],"date-time":"2026-01-29T00:00:00Z","timestamp":1769644800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"},{"start":{"date-parts":[[2026,1,29]],"date-time":"2026-01-29T00:00:00Z","timestamp":1769644800000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Veterinary Record"],"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>Erector spinae plane (ESP) block is a regional anaesthetic technique described in dogs, but clinical evidence of its perioperative effects in abdominal procedures remains limited. This study evaluated its antinociceptive efficacy during elective ovariohysterectomy in bitches.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>\n                      Sixteen healthy client\u2010owned female dogs were randomly assigned to two groups (\n                      <jats:italic>n<\/jats:italic>\n                      = 8). All the patients received 0.05\u00a0mg\/kg acepromazine and 0.3\u00a0mg\/kg methadone intramuscularly, followed by propofol\u2010based induction and maintenance. Ultrasound\u2010guided bilateral ESP blocks were performed at the first lumbar vertebra using 0.25% bupivacaine (0.5\u00a0mL\/kg per side) in the bupivacaine group or 0.9% saline in the saline solution group. Vital signs and nociceptive responses were recorded intraoperatively; 2.5\u00a0\u00b5g\/kg fentanyl intravenously was used as rescue analgesia. Postoperative pain was assessed over 24 hours using the short\u2010form Glasgow pain scale.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      The ESP group required significantly fewer intraoperative fentanyl rescues (8\u00a0vs. 19;\n                      <jats:italic>p<\/jats:italic>\n                      = 0.031). No significant differences were observed in postoperative pain scores or analgesic rescue requirements.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Limitations<\/jats:title>\n                    <jats:p>The small sample size and use of physiological nociceptive indicators may limit generalisability. Only a single non\u2010opioid postoperative rescue was needed, potentially masking postoperative differences.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>Ultrasound\u2010guided ESP block reduces intraoperative opioid use in dogs undergoing ovariohysterectomy but has limited impact on postoperative pain control.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1002\/vetr.70337","type":"journal-article","created":{"date-parts":[[2026,1,30]],"date-time":"2026-01-30T02:54:43Z","timestamp":1769741683000},"source":"Crossref","is-referenced-by-count":3,"title":["Erector spinae plane block reduces intraoperative nociception in bitches undergoing ovariohysterectomy: A randomised clinical trial"],"prefix":"10.1002","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-3488-3393","authenticated-orcid":false,"given":"Lorenzo","family":"Schmitz Borsato 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