Rafael S Cires-Drouet1, Khanjan Nagarsheth2, David J Kaczorowski2, Shahab Toursavadkohi3, Kristopher Deatrick2, Ronson J Madathil2, Kevin M Jones4, Steven Liskov5, Jeffrey Fitch5, Michelle Sayad5, Chetan Pasrija2, Minerva Mayorga-Carlin2, Daniel Herr2, John D Sorkin6, Bartley Griffith2, Brajesh K Lal3, James S Gammie2. 1. Department of Surgery, University of Maryland School of Medicine, Baltimore, Md; Department of Medicine, University of Maryland School of Medicine, Baltimore, Md. Electronic address: rcires@som.umaryland.edu. 2. Department of Surgery, University of Maryland School of Medicine, Baltimore, Md. 3. Department of Surgery, University of Maryland School of Medicine, Baltimore, Md; Vascular Service, Baltimore Veterans Affairs Medical Center, Baltimore, Md. 4. Department of Emergency Medicine, University of Maryland School of Medicine, Baltimore, Md. 5. Department of Medicine, University of Maryland School of Medicine, Baltimore, Md. 6. Department of Medicine, University of Maryland School of Medicine, Baltimore, Md; Baltimore Veterans Affairs Geriatrics Research, Education, and Clinical Center, Baltimore Veterans Affairs Medical Center, Baltimore, Md.
Abstract
OBJECTIVE: Catheter-based intervention (CBI) has become an increasingly popular option for treating pulmonary embolism (PE); however, the real benefits are unknown. The purpose of the present study was to compare the outcomes of patients treated with CBI with the outcomes of those treated with medical or surgical approaches. METHODS: We performed a retrospective analysis of patients admitted from October 2015 to December 2017 with a diagnosis of acute PE. We compared patients aged ≥18 years with a diagnosis of acute PE treated with CBI against a control group identified by propensity score matching. The control group was divided into those who had undergone surgical pulmonary embolectomy (SPE) as the surgical group and those who had not undergone SPE as the medical group. The primary outcome was mortality (in-hospital and overall mortality). The secondary outcomes were major bleeding, length of hospital stay, thrombus resolution, right ventricle improvement in systolic function and dilatation, and recurrent PE. RESULTS: Of the 108 patients, 30 were in the CBI group and 78 were in the control group (62 in the medical group and 16 in the surgical group). The patient characteristics on admission were similar, except for the body mass index, which was greater in the CBI group (P = .03). No difference was found in clinical severity, clot burden, right ventricle function, or biomarkers. Recurrent PE was less frequent in the CBI group than in the medical group (0% vs 6.4%). Otherwise, no significant differences were found in the outcomes between the CBI and medical groups. When CBI was compared with the surgical group, SPE was associated with improved mortality (0% vs 16.6%) but a longer median length of hospital stay (median, 7 days; interquartile range, 3-12 days; vs median, 8 days; interquartile range, 6.5-17 days). CONCLUSIONS: The use of CBI reduced the number of recurrent PE events compared with the medically treated patients; however, the mortality was higher than that in the surgical group.
OBJECTIVE: Catheter-based intervention (CBI) has become an increasingly popular option for treating pulmonary embolism (PE); however, the real benefits are unknown. The purpose of the present study was to compare the outcomes of patients treated with CBI with the outcomes of those treated with medical or surgical approaches. METHODS: We performed a retrospective analysis of patients admitted from October 2015 to December 2017 with a diagnosis of acute PE. We compared patients aged ≥18 years with a diagnosis of acute PE treated with CBI against a control group identified by propensity score matching. The control group was divided into those who had undergone surgical pulmonary embolectomy (SPE) as the surgical group and those who had not undergone SPE as the medical group. The primary outcome was mortality (in-hospital and overall mortality). The secondary outcomes were major bleeding, length of hospital stay, thrombus resolution, right ventricle improvement in systolic function and dilatation, and recurrent PE. RESULTS: Of the 108 patients, 30 were in the CBI group and 78 were in the control group (62 in the medical group and 16 in the surgical group). The patient characteristics on admission were similar, except for the body mass index, which was greater in the CBI group (P = .03). No difference was found in clinical severity, clot burden, right ventricle function, or biomarkers. Recurrent PE was less frequent in the CBI group than in the medical group (0% vs 6.4%). Otherwise, no significant differences were found in the outcomes between the CBI and medical groups. When CBI was compared with the surgical group, SPE was associated with improved mortality (0% vs 16.6%) but a longer median length of hospital stay (median, 7 days; interquartile range, 3-12 days; vs median, 8 days; interquartile range, 6.5-17 days). CONCLUSIONS: The use of CBI reduced the number of recurrent PE events compared with the medically treated patients; however, the mortality was higher than that in the surgical group.
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