Fig. 1.
Fig. 2.
Fig. 3.
Arterial Blood Gas (ABG) Trends Demonstrating Severe Metabolic Acidosis Following HoLEP and Resolution Post-CRRT_
| ABG parameter | Intraop | Day 0 | Day 1 AM | Day 1 PM | Day 2 | Day 3 |
|---|---|---|---|---|---|---|
| FIO2 (%) | 1 | 0.5 | 0.3 | 0.3 | 0.3 | 0.21 |
| pH | 7.102 | 7.141 | 7.211 | 7.398 | 7.412 | 7.441 |
| pCO2 (mmHg) | 42.2 | 37.6 | 35.9 | 35.8 | 35.6 | 33.9 |
| pO2 (mmHg) | 278 | 151.6 | 79.4 | 82.8 | 98.9 | 78.6 |
| Base Excess (mEq/L) | −16 | −15.6 | −12.8 | −2.8 | −2.1 | −1.2 |
| Bicarbonate (mEq/L) | 13.2 | 12.7 | 14.5 | 20.6 | 22.6 | 23.4 |
| Sodium (Na+, mEq/L) | 141 | 136 | 139 | 138 | 139 | 139 |
| Potassium (K+, mEq/L) | 4.3 | 6.0 | 4.5 | 4.0 | 3.9 | 3.5 |
| Chloride (Cl−, mEq/L) | 115 | 115 | 113 | 109 | 110 | 105 |
| Lactate (mmol/L) | 3.3 | 3.2 | 4.8 | 2.7 | 1.7 | |
| Glucose (mmol/L) | 12.1 | 14.9 | 15.9 | 6.6 | 8 | 7.7 |
| Anion Gap (mEq/L) | 12.8 | 8.3 | 11.5 | 8.4 | 6.4 | 10.6 |