Unipolar vs bipolar hemostasis in total knee arthroplasty: A prospective randomized trial

Mickey F. Plymale, Brian M. Capogna, Andrew J. Lovy, Melvin L. Adler, David M. Hirsh, Sun Jin Kim

Research output: Contribution to journalArticle

22 Citations (Scopus)

Abstract

The purpose of this study was to investigate whether unipolar or bipolar hemostasis is more effective in reducing blood loss associated with primary total knee arthroplasty. We randomized 113 consecutive patients undergoing primary total knee arthroplasty into unipolar and bipolar hemostasis treatment groups. The mean postoperative drain output in the unipolar group was 776.5 mL compared with 778.7 mL and was not statistically significant (P = .97). There were no statistically significant differences in postoperative day 1 through 3 hemoglobin level (P = .2-.6) or hematocrit (P = .17-.46) values. The transfusion requirement in the unipolar group was 36% and 40% in the bipolar group (P = .67). Use of bipolar sealer compared with standard unipolar electrocauterization showed no significant difference in postoperative drain output, postoperative hemoglobin level and hematocrit values, or transfusion requirements.

Original languageEnglish (US)
JournalJournal of Arthroplasty
Volume27
Issue number6
DOIs
StatePublished - Jun 2012

Fingerprint

Knee Replacement Arthroplasties
Hemostasis
Hematocrit
Hemoglobins
Therapeutics
hemoglobin P

Keywords

  • Bipolar hemostasis
  • Blood loss
  • Knee
  • Total knee arthroplasty
  • Transfusion

ASJC Scopus subject areas

  • Orthopedics and Sports Medicine

Cite this

Unipolar vs bipolar hemostasis in total knee arthroplasty : A prospective randomized trial. / Plymale, Mickey F.; Capogna, Brian M.; Lovy, Andrew J.; Adler, Melvin L.; Hirsh, David M.; Kim, Sun Jin.

In: Journal of Arthroplasty, Vol. 27, No. 6, 06.2012.

Research output: Contribution to journalArticle

Plymale, Mickey F. ; Capogna, Brian M. ; Lovy, Andrew J. ; Adler, Melvin L. ; Hirsh, David M. ; Kim, Sun Jin. / Unipolar vs bipolar hemostasis in total knee arthroplasty : A prospective randomized trial. In: Journal of Arthroplasty. 2012 ; Vol. 27, No. 6.
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