Table 5.
Published studies evaluating oscillometric non-invasive blood pressure measurement in domestic ruminants in comparison to the American College of Veterinary Internal Medicine (ACVIM) criteria for technique validation.
| Parameter | Number of animals | Bias (mmHg) | Standard deviation (mmHg) | Correlation | < 10 mmHg (% of measurements) | < 20 mmHg (% of measurements) |
|---|---|---|---|---|---|---|
|
| ||||||
| ACVIM criteria | 8 | ≤ 10 | ≤ 15 | ≥ 0.9 | ≥ 50 | ≥ 80 |
| Oscillometry | ||||||
|
| ||||||
| Anesthetized camelids (46) | ||||||
| Direct BP source: Auricular or medial saphenous artery | ||||||
| NIBP cuff location: Metacarpal artery | ||||||
| Oscillometric technology: Datascope Passport | ||||||
| SAP | −9.9 | 21.9 | ||||
| MAP | 20 | −2.9 | 17.0 | NR | NR | NR |
| DAP | 1.8 | 15.6 | ||||
| Anesthetized sheep (47) | ||||||
| Direct BP source: Auricular artery | ||||||
| NIBP cuff location: Median or metatarsal artery | ||||||
| Oscillometric technology: SurgiVet Advisor Vital Signs monitor V9203, Smiths Medical PM | ||||||
| SAP | 3 | 8 | 0.87 | 79 | 97 | |
| MAP | 20 | −7 | 6 | 0.90 | 69 | 100 |
| DAP | −10 | 7 | 0.86 | 48 | 92 | |
| Anesthetized sheep and goats (48) | ||||||
| Direct BP source: Auricular artery | ||||||
| NIBP cuff location: Metacarpal artery | ||||||
| Oscillometric technology: Datascope Passport | ||||||
| SAP | 0 | 16 | ||||
| MAP | 20 | 8 | 13 | NR | NR | NR |
| DAP | 13 | 16 | ||||
| Anesthetized cattle < 150 kg (48) | ||||||
| Direct BP source: Auricular artery | ||||||
| NIBP cuff location: Metacarpal artery | ||||||
| Oscillometric technology: Datascope Passport | ||||||
| SAP | 0 | 19 | ||||
| MAP | 20 | 4 | 16 | NR | NR | NR |
| DAP | 6 | 18 | ||||
| Anesthetized cattle > 150 kg (48) | ||||||
| Direct BP source: Auricular artery | ||||||
| NIBP cuff location: Metacarpal artery | ||||||
| Oscillometric technology: Datascope Passport | ||||||
| SAP | −18 | 32 | ||||
| MAP | 20 | −5 | 28 | NR | NR | NR |
| DAP | 7 | 29 | ||||
| Anesthetized sheep (49) | ||||||
| Direct BP source: Auricular artery | ||||||
| NIBP cuff location: Metacarpal artery | ||||||
| Oscillometric technology: PetMap, Ramsey Medical | ||||||
| SAP | 0 | 12 | 70.2 | 91.7 | ||
| MAP | 13 | −10 | 11 | 0.87 | 44.6 | NR |
| DAP | −16 | 13 | NR | NR | ||
| Anesthetized sheep (49) | ||||||
| Direct BP source: Auricular artery | ||||||
| NIBP cuff location: Metatarsal artery | ||||||
| Oscillometric technology: PetMap, Ramsey Medical | ||||||
| SAP | 12 | 13 | NR | NR | ||
| MAP | 13 | −4 | 12 | 0.83 | 61.2 | 91.7 |
| DAP | −11 | 14 | NR | NR | ||
NR — not reported. Highlighted values meet validation criteria.