JOURNAL ARTICLE
MULTICENTER STUDY

Prophylactic effect of fondaparinux and enoxaparin for preventing pulmonary embolism after total hip or knee arthroplasty: A retrospective observational study using the Japanese Diagnosis Procedure Combination database

Naoko Shoda, Hideo Yasunaga, Hiromasa Horiguchi, Kiyohide Fushimi, Shinya Matsuda, Yuho Kadono, Sakae Tanaka
Modern Rheumatology 2015, 25 (4): 625-9
25529031

OBJECTIVES: The aim of this study was to estimate the effect of fondaparinux and enoxaparin combined with mechanical prophylaxis (MP) after total hip arthroplasty (THA) and total knee arthroplasty (TKA). We also investigated the occurrence of pulmonary embolism (PE) and its associated risk factors.

METHODS: Data were retrospectively collected on patients who underwent THA or TKA between 2008 and 2010 from the Japanese Diagnosis Procedure Combination database (n = 49,678). We extracted information on sex, age, main diagnosis, types of anesthesia, duration of anesthesia, comorbidities, hospital volume, the use of MP, and the use of anticoagulant drugs.

RESULTS: The overall occurrence of PE was 0.41%. Multivariate logistic regression analysis showed that the occurrence of PE was significantly higher in females (odds ratio, 2.17; p < 0.001, compared with males), TKA (1.47; p = 0.039, compared with THA), and longer-duration anesthesia (2.63; p = 0.008 in the ≥ 240-min. group compared with the ≤ 119-min. group). Compared with the MP-alone group, the occurrence of PE was significantly reduced in the fondaparinux group (0.58; p = 0.025) and the enoxaparin group (0.59; p = 0.046).

CONCLUSIONS: Fondaparinux or enoxaparin combined with MP decreased the occurrence of PE. The risk factors for PE were female patients, TKA, and longer-duration anesthesia (≥ 240 min.).

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