The goal of this study was to compare early results of Total Hip Replacement (THR) in 2 groups of patients: with and without closed suction drainage (CSD). Patients were followed for 3 months post operatively.
After approval from the local ethical committee, patients undergoing Total Hip Replacement (THR) were included in this study. Patients with previous hip surgeries and coagulation disorders were not included. All patients were submitted to a non-cemented Total Hip Replacement (THR) through a Hardinge's approach. Before wound closure, a nurse opened an envelope containing the patient randomization: group 1 - with closed suction drainage (CSD) and group 2 - without closed suction drainage (CSD). In the group 1, a sub-fascial suction drain was used, and kept for 24 hours. Data collected included: mid-tigh circumference after 24 hours, blood transfusion, inflammatory blood markers C-Reactive Protein (CRP), Erythrocyte sedimentation rate (ESR) and leucogram, Harris Hip Score (HHS) after 3 months, and complications. Patients were followed for 3 months post operatively.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
PREVENTION
Masking
DOUBLE
Enrollment
92
patients undergoing total hip replacement have received a closed suction drainage for 24 hours after the surgical procedure
Instituto Ortopedia e Traumatologia do Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo IOT-HCFMUSP
São Paulo, São Paulo, Brazil
Change from baseline red blood cells (RBC)
total RBC loss (mL) = \[Uncompensated RBC loss (mL)\] + \[Compensated RBC loss (mL)\] Uncompensated RBC loss (mL) = \[Initial RBC (mL)\] - \[Final RBC (mL)\] Compensated RBC loss (mL) = \[Sum of RBCs received from the various sources of transfusion\] Initial RBC (mL) = \[Estimated blood volume (mL)\] x \[Initial Hct level (%)\] at Day -1 Final RBC (mL) = \[Estimated blood volume (mL)\] x \[Final Hct level (%)\] at Day +3 Estimated blood volume (mL) = Women: \[Body surface area (m2)\] x 2430 Men: \[Body surface area (m2)\] x 2530 Body surface area (m2) = 0.0235 x \[Height (cm)\]0.42246 x \[Weight (kg)\]0.51456 Total blood loss at Hct level of 35% (mL) = \[Total blood loss (mL)\] / 0.35
Time frame: Pre-operative and 24 Hours Postoperative
Mid thigh circumference (cm)
Metric tape is placed midway between upper border of patella and superior anterior iliac spine
Time frame: Pre-operative and 24 Hours Postoperative to 3 Months Postoperative
C-Reactive Protein (CRP) (mg/L)
Time frame: 3,6 and 12 Weeks Postoperative
Erythrocyte sedimentation rate (ESR) (mm/h)
Time frame: 3,6 and 12 Weeks Postoperative
Complications
Time frame: during 3 months follow-up
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