Shah et al identified patients with head and neck cancer who required blood transfusion associated with major surgery with free-flap reconstuction. The authors are from University Health Network in Toronto.
Parameters:
(1) gender
(2) T stage for the head and neck cancer
(3) body mass index (BMI)
(4) preoperative hemoglobin
(5) type of free-flap reconstruction
|
Parameter |
Finding |
Points |
|
gender |
male |
0 |
|
|
female |
1 |
|
T stage |
T1 or T2 |
0 |
|
|
T3 or T4 |
1 |
|
body mass index |
>= 18.5 kg per square meter |
0 |
|
|
< 18.5 kg per square meter (underweight) |
1 |
|
preoperative hemoglobin |
normal (> 13.0 for males and > 12.0 for females) |
0 |
|
|
low (<= 13.0 for males and <= 12.0 for females) |
2 |
|
type of free-flap reconstruction |
non-osseous |
0 |
|
|
osseous |
1 |
transfusion risk score =
= SUM(points for all 5 parameters)
Interpretation:
• minimum score: 0
• maxium score: 6
• The higher the score the greater the likelihood of being transfused.
|
Transfusion Risk Score |
Risk Group |
Percent Transfused |
|
0 |
very low |
5% |
|
1 |
low |
14% |
|
2 or 3 |
intermediate |
34% |
|
4, 5 or 6 |
high |
62% |
Specialty: Clinical Laboratory, Surgery, general, Anesthesiology, Emergency Medicine, Critical Care
