Correction updates avian neurosurgery anesthesia paper
Bottom line
A correction notice has been issued for the 2025 BMC Veterinary Research paper describing anesthetic and analgesic management for Svalbard rock ptarmigan undergoing experimental stereotaxic neurosurgery. The original study, from researchers at UiT The Arctic University of Norway and the Norwegian Veterinary Institute, reported a multimodal protocol using isoflurane, bupivacaine, buprenorphine, and meloxicam in six birds, with perioperative monitoring and generally stable physiologic parameters. According to the correction summary, the notice fixes errors in the description of an injection site and in the units used for physiologic parameters, rather than changing the overall conclusions of the work. In the original paper, the authors positioned the study as a practical protocol for a species with limited anesthesia guidance, and noted that tracer injections missed the intended hypothalamic target because of interindividual anatomical variation. (pubmed.ncbi.nlm.nih.gov)
Why it matters: For veterinary professionals, especially those working in avian medicine, research support, or laboratory animal care, this is the kind of correction that matters because procedural details and units are exactly the information clinicians and research teams may reuse. Even when a correction does not overturn the paper’s main message, inaccurate wording around drug administration sites or physiologic measurements can affect protocol interpretation, benchmarking, and training. The underlying study remains relevant because it offers rare species-specific detail for avian neurosurgical anesthesia, including a custom mask setup, multimodal analgesia, and discussion of the limits of using a chicken stereotaxic atlas in Svalbard rock ptarmigan. (pubmed.ncbi.nlm.nih.gov)
What to watch: Watch for the corrected full-text version to be reflected across indexing platforms and for any future follow-up work from the group on species-specific brain mapping or refined avian neurosurgical protocols. (pubmed.ncbi.nlm.nih.gov)
Key facts
- Article type
- Correction notice
- Original study species
- Svalbard rock ptarmigan
- Original study topic
- Anesthetic and analgesic management during experimental stereotaxic neurosurgery
- Study size
- Six birds
- Institutions
- UiT The Arctic University of Norway and the Norwegian Veterinary Institute
- Anesthesia and analgesia used
- Isoflurane, bupivacaine, buprenorphine, and meloxicam
- Correction scope
- Injection site description and physiologic parameter units
- Main finding
- The correction did not change the study’s overall conclusions
- Technical limitation noted
- Tracer injections missed the intended hypothalamic target because of interindividual anatomical variation
A correction has been published for the 2025 paper on anesthetic and analgesic management of Svalbard rock ptarmigan undergoing experimental stereotaxic neurosurgery, a niche but useful report for avian anesthesia and research medicine. The original article described a multimodal perioperative approach in six birds and aimed to fill a gap in species-specific guidance for a High Arctic avian model. The correction addresses errors in the description of an injection site and in the units assigned to physiologic parameters, based on the correction summary provided with the notice. The available source material indicates these were reporting errors, not a reversal of the study’s central findings. (pubmed.ncbi.nlm.nih.gov)
That original paper matters because it tackled a difficult intersection of avian anesthesia, analgesia, and neurosurgical technique in a species for which there is little published clinical guidance. The authors, affiliated with UiT The Arctic University of Norway and the Norwegian Veterinary Institute, framed the work as both a refinement effort and a practical roadmap for future experimental procedures. They emphasized that birds present species-specific anesthetic challenges, and that established protocols are limited, especially for invasive research procedures such as stereotaxic tracer injections. (pubmed.ncbi.nlm.nih.gov)
In the original study, six Svalbard rock ptarmigan underwent surgery under isoflurane anesthesia, with bupivacaine, buprenorphine, and meloxicam used as part of a multimodal analgesic plan. The team monitored heart rate, respiratory rate, oxygen saturation, and cloacal temperature, and reported that parameters stayed largely within expected ranges, with minor deviations in respiratory rate and temperature. The paper also described a custom 3D-printed anesthetic mask and an emergency protocol for complications such as hypothermia, hyperthermia, apnea, and cardiac arrest. (pubmed.ncbi.nlm.nih.gov)
The study also highlighted a separate technical challenge: the neuronal tracer injections did not reach the intended hypothalamic target, instead landing in or near the septal region, typically by 0.5 to 2 mm. The authors attributed that miss to interindividual variation and the limitations of relying on a chicken brain atlas as the nearest available stereotaxic reference. In the discussion, they suggested that future work would benefit either from more anatomically uniform study groups or from development of a species-specific stereotaxic atlas for Svalbard rock ptarmigan. (pubmed.ncbi.nlm.nih.gov)
Direct outside commentary on the correction itself appears limited so far. But the broader avian anesthesia literature helps explain why this kind of update is worth flagging. General avian references consistently note that inhalant anesthesia, especially isoflurane, is widely used in birds, and that injection route selection can materially affect drug uptake and interpretation of protocols. That context makes corrections to injection-site wording and physiologic units more than editorial housekeeping, particularly for clinicians or research teams adapting published methods. (ivis.org)
Why it matters: For veterinary professionals, the practical takeaway is straightforward: if you cited, taught from, or adapted this paper, it’s worth checking the corrected version before reusing the protocol details. In avian medicine, small reporting errors can have outsized effects because there are fewer species-specific benchmarks to cross-check against. This is especially true in research settings, where anesthetic depth, monitoring thresholds, analgesic timing, and route of administration may be copied into SOPs, IACUC-style protocols, or training documents. The correction does not appear to undermine the paper’s broader contribution, which is still one of the more detailed published descriptions of perioperative management for this species. (pubmed.ncbi.nlm.nih.gov)
The paper also reinforces a larger point for exotics and avian practice: physiologic norms, pain assessment, and even surgical landmarks may not translate cleanly across bird species. The authors themselves noted the difficulty of pain recognition in birds, the potential value of ECG and IV access in future cases, and the limitations of borrowing anatomy tools from other species. For veterinarians supporting zoological collections, wildlife work, or research programs, that’s a reminder that protocol refinement is often iterative, and that corrections are part of making those protocols more reliable. (pmc.ncbi.nlm.nih.gov)
What to watch: The next step is whether the corrected article is fully propagated across journal and indexing platforms, and whether this group or others publish follow-up work on species-specific stereotaxic mapping, additional analgesia validation, or broader avian neurosurgery guidance. (pubmed.ncbi.nlm.nih.gov)