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Table 3 Published cases of severe envenomation treated with FabAV

From: Crotaline Fab antivenom appears to be effective in cases of severe North American pit viper envenomation: An integrative review

Publication

Patient Identifying Information

Severe venom effects

Was Initial Control of this Venom Effect Achieved?

Vials of FabAV for Initial Control

Cohort Studies

Prospective Data Collection

Bush 2002[10]

Patient 13§

Altered mental status

Yes

6

  

Hypotension

Yes

 
  

Tachycardia

Yes

 
  

Neurotoxicity

Yes

 
  

SSS ≥ 7

Yes

 
 

Patient 14

Limb swelling

Yes

6

  

Limb pain

Yes

 
  

Hypotension

Yes

 
  

Tachycardia

Yes

 
  

SSS ≥ 7

Yes

 

Dart 1997[4]

Patient 10

SSS ≥ 7

Yes

8

  

Platelet count < 50,000/mm3

Yes

 
  

Fibrinogen < 50 mg/dl*

Yes

 

Retrospective Data Collection

Lavonas 2004[25]

12-year-old Male

Compartment syndrome

Yes

4

Ruha 2002[13]

Patient 1

Limb swelling

Yes

18

  

Limb pain

Yes

 
  

Protime > 50 sec

Yes

 
  

Fibrinogen < 50 mg/dl*

Yes

 
  

Platelet count < 50,000/mm3

Yes

 

Mixed Prospective + Retrospective Data Collection

Offerman 2002[20]

First coagulopathy patient†

Fibrinogen < 50 mg/dl*

Yes

NR

 

Second coagulopathy patient†

Fibrinogen < 50 mg/dl*

Yes

NR

  

Platelet count < 50,000/mm3

Yes

 

Non-Cohort Studies

Audi 2006[26]

80-year-old Female

Altered mental status

NR

6

  

Hypotension

Yes

 
  

SSS ≥ 7

Yes

 
  

Platelet count < 50,000/mm3

Yes

 

Camilleri 2005[27]

40-year-old Male

Limb swelling

Yes

N/A

  

Limb pain

NR

 
  

Bleeding

No

 

Clark 1997[22]

Case 1

Neurotoxicity

Yes

12

 

Case 3

Neurotoxicity

Yes

6

Fazelat 2008[28]

24-year-old Male

SSS ≥ 7

Yes

10

  

Platelet count < 50,000/mm3

Yes

 
  

Bleeding

No

 

Gold 2004[29]

38-year-old Male

Platelet count < 50,000/mm3

No

N/A

Horn 2007[30]

8-year-old Male

Compartment syndrome

No

N/A

Lintner 2006[31]

2-year-old Male

Limb swelling

Yes

12

  

Platelet count < 50,000/mm3

Yes

 

Miller 2002[32]

Case 1

Limb swelling

NR

NR

  

Platelet count < 50,000/mm3

Yes

 

Morgan 2006[33]

14-year-old Male

Airway swelling

Yes

NR

  

Altered mental status

Yes

 
  

Hypotension

Yes

 
  

Need for intubation

Yes

 
  

Bleeding

Yes

 
  

SSS ≥ 7

Yes

 
  

INR > 5.0

Yes

 

Odeleye 2004[34]

Case 1

Platelet count < 50,000/mm3

No

N/A

 

Case 2

Airway swelling

Yes

N/A

  

Need for intubation

Yes

 
  

INR > 5.0

Yes

 
  

Platelet count < 50,000/mm3

No

 

Offerman 2003[35]

42-year-old Male

Limb swelling

Yes

16

  

Limb pain

Yes

 
  

Bleeding

NR

 
  

Platelet count < 50,000/mm3

Yes

 

Richardson 2007[36]

Case 1

Need for intubation

No

N/A

  

Neurotoxicity

No

 
 

Case 2

Neurotoxicity

No

N/A

  

SSS ≥ 7

Yes

 
  

Platelet count < 50,000/mm3

Yes

 

Seifert 1997[37]

53-year-old Female

Platelet count < 50,000/mm3

Yes

6

Wasserberger 2006[38]

46-year-old Male

Limb swelling

No

N/A

  

Limb pain

No

 
  

Platelet count < 50,000/mm3

Yes

 
  1. © This patient was also patient 6 in the Offerman, 2002 case series[20]
  2. † Drs. Bush and Offerman have confirmed that these patients and patients 13 and 14 in the Bush series are not the same subjects.
  3. SSS = Snakebite Severity Score(Dart 96)
  4. INR = International Normalized Ratio
  5. NR = Not reported
  6. N/A = Not applicable (initial control not obtained)
  7. * Fibrinogen < 1.5 micromol/L