Model of Howe et al for Estimating Perioperative Hemorrhage in Orthopedic Surgery

Purpose: To estimate the amount of blood loss in orthopedic surgery using the model of Howe et al.

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Evaluation

Are you trying to estimate blood loss in an adult undergoing orthopedic surgery?

Yes

Preoperative hemoglobin

Estimated blood loss

liters

Volume of intravenous fluids administered

liters

Did the patient receive blood during the perioperative period?

Yes

Number of units of RBC products transfused

Results

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Results Interpretation and Description References Next Steps

Data complete?

Evaluation appropriate?

Estimated change in hemoglobin assuming no blood transfused

Estimated perioperative change in hemoglobin

Estimated postoperative hemoglobin assuming no blood transfused

Estimated postoperative hemoglobin

Estimated postoperative hemoglobin including effect of blood transfused

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Interpretation and Description

References

Next Steps in Evaluation

Diagnosis

Risk Factors
Other Testing
Criteria For Diagnosis
Severity, Prognosis, Stage
Complications
Differential Diagnosis And Mimics, Red Flags
- Predicting Need for Allogenic Blood Transfusion Following Surgery for Lung Cancer

Therapy

Options
- Transfusion Planning Algorithm of Weber in Surgical Patients with Cancer of the Head and Neck (TPRA Model)
Selection
Dosage Calculations

Monitoring

Complication Detection
- Risk Index of McCluskey et al for Predicting Massive Blood Transfusion Associated with Liver Transplant Surgery

Specialty

Clinical Laboratory
Surgery, general
Anesthesiology
Emergency Medicine
Critical Care

Objective

severity
prognosis
stage
complications

ICD-10

R58 - Haemorrhage, not elsewhere classified

Info

Purpose: To estimate the amount of blood loss in orthopedic surgery using the model of Howe et al.

Specialty: Clinical Laboratory, Surgery, general, Anesthesiology, Emergency Medicine, Critical Care

Objective: severity, prognosis, stage, complications

ICD-10: R58,

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