What topics and trends defined most-cited Anesthesia and Pain Management research in the Class of 2026?
Ultrasound-guided regional anesthesia, bupivacaine, multimodal analgesia, and opioid-sparing effect define the Class of 2026 anesthesia cohort, with nerve blocks, numeric rating scales, and propofol induction co-prominent. Ultrasound-guided blocks and bupivacaine rose sharply from Class of 2025, while randomized controlled trial framing, esketamine, and cesarean-delivery studies receded among top-cited papers.
At a glance
- Field
- Anesthesia and Pain Management
- Cohort label
- Class of 2026 (2024 publications)
- Papers analyzed
- 9,014
- Papers ranked
- 20
- Top topics in ranked papers
- Ultrasound-guided regional anesthesia, bupivacaine, multimodal analgesia, opioid-sparing effect, numeric rating scale
- Publication window
- Jan 1, 2024 – Dec 31, 2024
- Eligibility
- Research articles; reviews excluded
- Citation window
- 18 months post-publication
- 18m citation range
- 18–38
- Data source
- OpenAlex · Retrieved Jul 2026
- License
- CC BY 4.0
Rankings
20 papers ranked by 18-month citation count
Anaesthetic efficacy and postinduction hypotension with remimazolam compared with propofol: a multicentre randomised controlled trial
Anaesthesia202410.1111/anae.16205
Complication Rates After Ultrasonography-Guided Nerve Blocks Performed in the Emergency Department
JAMA Network Open202410.1001/jamanetworkopen.2024.44742
Opioid Prescribing for Acute Pain Management in Children and Adolescents in Outpatient Settings: Clinical Practice Guideline
PEDIATRICS202410.1542/peds.2024-068752
Perioperative Adjunctive Esketamine for Postpartum Depression Among Women Undergoing Elective Cesarean Delivery
JAMA Network Open202410.1001/jamanetworkopen.2024.0953
Serratus Anterior Plane Blocks for Early Rib Fracture Pain Management
JAMA Surgery202410.1001/jamasurg.2024.0969
Injectable Hydrogel Delivery System with High Drug Loading for Prolonging Local Anesthesia
Advanced Science202410.1002/advs.202309482
Chronic postsurgical pain
European Journal of Anaesthesiology202410.1097/eja.0000000000001974
Trends in Opioid Prescribing and New Persistent Opioid Use After Surgery in the United States
Annals of Surgery202410.1097/sla.0000000000006461
Comparison of opioid‐free and opioid‐inclusive propofol anaesthesia for thyroid and parathyroid surgery: a randomised controlled trial
Anaesthesia202410.1111/anae.16382
Intravenous Lidocaine for Gut Function Recovery in Colonic Surgery
JAMA202410.1001/jama.2024.23898
Cardiac arrest in obstetric patients receiving anaesthetic care: results from the 7th National Audit Project of the Royal College of Anaesthetists
Anaesthesia202410.1111/anae.16204
EXPERIENCE OF THE ULTRASOUND-ASSISTED NERVE BLOCKADE OF THE FASCIAL PLANE BY ERECTOR SPINE BLOCK IN ACUTE PANCREATITIS
Scientific research of the SCO countries: synergy and integration202410.34660/inf.2023.35.17.077
Addition of Liposomal Bupivacaine to Standard Bupivacaine versus Standard Bupivacaine Alone in the Supraclavicular Brachial Plexus Block: A Randomized Controlled Trial
Anesthesiology202410.1097/aln.0000000000005035
Pharmacogenetic Approaches in Personalized Medicine for Postoperative Pain Management
Biomedicines202410.3390/biomedicines12040729
An Engineered Bionic Nanoparticle Sponge as a Cytokine Trap and Reactive Oxygen Species Scavenger to Relieve Disc Degeneration and Discogenic Pain
ACS Nano202410.1021/acsnano.3c08097
Unilateral sacral erector spinae plane block for hip fracture surgery
Anaesthesia Reports202410.1002/anr3.12269
Effectiveness of the Bilateral and Bilevel Erector Spinae Plane Block (ESPB) in Pediatric Idiopathic Scoliosis Surgery: A Randomized, Double-Blinded, Controlled Trial
Journal of Pediatric Orthopaedics202410.1097/bpo.0000000000002707
Effect of remimazolam versus propofol on hypotension after anesthetic induction in patients undergoing coronary artery bypass grafting: A randomized controlled trial
Journal of Clinical Anesthesia202410.1016/j.jclinane.2024.111580
WALANT surgery of the hand: state of the art
EFORT Open Reviews202410.1530/eor-24-0033
Topic trends
Dominant research themes and year-over-year shifts in Anesthesia and Pain Management
What Topics Define the Class of 2026?
The informative word cloud across the 50 highest 18-month-cited anesthesia and pain management papers reveals a field organized around regional techniques, local anesthetics, and opioid-sparing perioperative care—not generic trial-design labels. Ultrasound-guided regional anesthesia and bupivacaine each lead at 9 of 50 papers (normalized frequency 0.18), underscoring how image-guided nerve blocks and long-acting local anesthetic choice anchor influential 2024 work. Multimodal analgesia (7 papers, 0.14), numeric rating scale (7, 0.14), and opioid-sparing effect (7, 0.14) form a second tier focused on outcome measurement and reduced opioid exposure. Opioid consumption reduction (6, 0.12) and propofol (6, 0.12) sit alongside erector spinae plane block (5, 0.10), oral morphine equivalents (5, 0.10), and postoperative nausea and vomiting (5, 0.10)—reflecting sustained interest in fascial-plane blocks, standardized opioid metrics, and antiemetic endpoints. Mid-sized terms cluster around cesarean delivery, esketamine, opioid-related adverse events, dexamethasone adjuvants, and emerging safety signals such as hypoxemia and postinduction hypotension. Peripheral nerve blocks, labour analgesia, remimazolam, and quality-of-recovery instruments appear at lower but visible prominence. After informativeness filtering, broad labels such as randomized controlled trial and postoperative pain management recede, leaving a portrait of a specialty prioritizing ultrasound-guided regional anesthesia, bupivacaine-based protocols, and multimodal opioid-sparing strategies in the highest-impact 2024 publications.

How Did Topics Shift from the Class of 2025 to the Class of 2026?
Comparing normalized concept frequencies between the Class of 2025 (2023 publications) and Class of 2026 (2024 publications) cohorts shows a reorientation of early-high-impact anesthesia research toward ultrasound-guided regional techniques, bupivacaine protocols, and opioid-sparing perioperative strategies. Ultrasound-guided regional anesthesia exhibited the largest gain (+0.18 normalized frequency; 0 versus 9 papers), followed by bupivacaine (+0.14; 2 versus 9) and opioid-sparing effect (+0.12; 1 versus 7). Erector spinae plane block (+0.06), oral morphine equivalents (+0.06), and opioid consumption reduction (+0.04) also rose, consistent with expanding fascial-plane block trials and standardized opioid-outcome reporting among top-cited work. The topic evolution card shows Class of 2026 bars extending furthest for ultrasound-guided regional anesthesia, bupivacaine, multimodal analgesia, numeric rating scale, and opioid-sparing effect—topics aligned with image-guided nerve blocks, multimodal protocols, and reduced postoperative opioid exposure. Conversely, randomized controlled trial framing showed the steepest decline (−0.14; 19 versus 12 papers), reflecting reduced dominance of generic trial-design vocabulary after informativeness filtering. Esketamine (−0.08; 8 versus 4), cesarean delivery (−0.06; 7 versus 4), and postoperative nausea and vomiting (−0.06) also receded, alongside modest drops for spinal anesthesia and opioid-free anesthesia. Together, these shifts suggest that the most-cited 2024 papers emphasize specific regional-anesthesia techniques, bupivacaine-based analgesia, and opioid-sparing multimodal care over broad trial labels and declining esketamine-centric narratives.

Methodology
PRI identifies high-impact research using a transparent, topic-agnostic framework applied consistently across scientific domains. Bibliographic records are drawn from OpenAlex, including publication dates, citation relationships, and document types.
This ranking covers the Class of 2026 cohort: journal articles published in 2024. Reviews and other non-article document types are excluded to ensure comparability.
Research impact is quantified with an 18-month post-publication citation window—the number of citing works published within 18 months of each paper's publication date. This metric captures early impact while controlling for publication age.
An LLM-based relevance classifier then reviews each candidate's title and abstract to confirm substantive alignment with the target domain. Only papers classified as relevant appear in the final ranking.
Zheng Su, Tinsley Li, Thematic Shifts in Early-High-Impact Cancer Genomics and Diagnostics Research: A Bibliometric and Semantic Analysis. bioRxiv 2026.07.04.736459; doi: https://doi.org/10.64898/2026.07.04.736459
Cite this ranking
Pepkio Research Index (PRI). Topics and Trends in Most Cited Anesthesia and Pain Management Papers, Class of 2026. https://pri.pepkio.com/top-papers/anesthesia-and-pain-management/2026. Accessed 2026-07-13. Zheng Su, Tinsley Li, Thematic Shifts in Early-High-Impact Cancer Genomics and Diagnostics Research: A Bibliometric and Semantic Analysis. bioRxiv 2026.07.04.736459; doi: https://doi.org/10.64898/2026.07.04.736459
