Table 2.
Signs, symptoms, thrombocytopenia, antivenom use and length of hospital admission: Upper Mississippi river valley (1982–2020).
|
Signs-Symptoms, Lab Abnormalities |
No. Patients | Antivenom (# vials) | Length of Admission (days) |
|---|---|---|---|
| FP | 2 | 0 | Did not go to hospital |
| FP | 2 | 0 | Same Day - left AMA |
| FP, Dry bites | 9 | 0 | Same Day ER discharge |
| FP, R, C, I | 1 | 0 | 10 - Infection – Antibiotics |
| FP, P, S, I | 1 | Unk | Unk – Streaking up arm – Antibiotics |
| FP, P, S, E |
1 |
0 |
0 - Fatality – intravenous bite |
|
IgG | |||
| FP, P, S, E | 1 | 4 | 2 |
| FP, P, S, E | 1 | 5 | 2 |
| FP, P, S, E | 1 | 10 | 2 |
| FP, P, S, E, T | 1 | 10 | 3 |
| FP, P, S, E, T | 1 | 10 | 11 Persistent thrombocytopenia |
| FP, P, S, E, T | 1 | 10 | 3 |
| FP, P, S, E, T | 1 | 10 | 3 |
| FP, P, S, E, T | 1 | 10 | 7+ Surgery (hand-forearm bite) |
| FP, P, S, E | 1 | 13 | 12 Surgery (hand bite) |
| FP, P, S, E, T |
1 |
20 |
5 |
|
Fab | |||
| FP, P, S, E, T | 1 | 10 | 3 |
| FP, P, S, E, T | 1 | 18 | 11 Recurrent thrombocytopenia |
| FP, P, S, E, T | 1 | 22 | 5 |
AMA = against medical advice, FP = fang punctures, P = pain; R = redness, S = swelling, E = ecchymosis.
I = infection, T = thrombocytopenia, C = cellulitis.
IgG = aWyeth Antivenin (Crotalidae) Polyvalent; Fab = Crotalidae polyvalent immune fab (ovine).