Complications associated with bone marrow sampling in dogs and cats

Glynn Alan Woods, Matthew Simpson, Alisdair Boag, Jasmin Paris, Chiara Piccinelli, Craig Breheny

Research output: Contribution to journalArticlepeer-review


Objectives: To evaluate the prevalence of complications during bone marrow sampling (BMS) and associated patient and procedural factors in dogs and cats. Materials & Methods: Retrospective cohort study, records were evaluated to identify dogs and cats that had bone marrow sampling between 2012 and 2019. Data including signalment, the presence of specific clinicopathological findings, anatomical site of bone marrow sampling, number of attempts, diagnostic quality of sampling, analgesia protocol, and complications post procedure were recorded. Results A total of 131 dogs and 29 cats were included in the study. Complications were recorded in 22/160 (14%) of cases. Pain was the most common complication of bone marrow sampling in 20/22 (91%) of cases with bruising reported in the remaining patients. A local anaesthetic block was used in 98/160 (61%) of patients. Statement (Conclusions)Complications associated with bone marrow sampling were rare if pain is excluded and no clear association existed between patient or procedural variables. Haemorrhage and infection are rare complications in dogs and cats when thrombocytopenia and neutropenia are present. Peri-procedure analgesia is strongly recommended to minimize complications.
Original languageEnglish
JournalJournal of Small Animal Practice
Early online date4 Dec 2020
Publication statusE-pub ahead of print - 4 Dec 2020


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