Sara L Zettervall1, Ruby C Lo1, Peter A Soden1, Sarah E Deery1, Klaas H Ultee1, Duane S Pinto2, Mark C Wyers1, Marc L Schermerhorn3. 1. Division of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Boston, MA. 2. Division of Cardiology, Beth Israel Deaconess Medical Center, Boston, MA. 3. Division of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Boston, MA. Electronic address: mscherm@bidmc.harvard.edu.
Abstract
BACKGROUND: It is unknown whether increased endovascular treatment of chronic mesenteric ischemia has led to decreases in open surgery, acute mesenteric ischemia, or overall mortality. The present study evaluates the trends in endovascular and open treatment over time for chronic and acute mesenteric ischemia. METHODS: We identified patients with chronic or acute mesenteric ischemia in the Nationwide Inpatient Sample and Center for Disease Control and Prevention database from 2000 to 2012. Trends in revascularization, mortality, and total deaths were evaluated over time. Data were adjusted to account for population growth. RESULTS: There were 14,810 revascularizations for chronic mesenteric ischemia (10,453 endovascular and 4,358 open) and 11,294 revascularizations for acute mesenteric ischemia (4,983 endovascular and 6,311 open). Endovascular treatment increased for both chronic (0.6-4.5/million, P < 0.01) and acute mesenteric ischemia (0.6-1.8/million, P < 0.01). However, concurrent declines in open surgery did not occur (chronic: 1-1.1/million, acute: 1.8-1.7/million). Among patients with acute mesenteric ischemia, the proportion with atrial fibrillation (18%) and frequency of embolectomy (1/million per year) remained stable. In-hospital mortality rates decreased for both endovascular (chronic: 8-3%, P < 0.01; acute: 28-17%, P < 0.01) and open treatment (chronic: 21-9%, P < 0.01; acute: 40-25%, P < 0.01). Annual population-based mortality remained stable for chronic mesenteric ischemia (0.7-0.6 deaths per million/year), but decreased for acute mesenteric ischemia (12.9-5.3 deaths per million/year, P < 0.01). CONCLUSIONS: Population mortality from acute mesenteric ischemia declined from 2000 to 2012, correlated with dramatic increases in endovascular intervention for chronic mesenteric ischemia, and in spite of a stable rate of embolization. However, open surgery for both chronic and acute ischemia remained stable.
BACKGROUND: It is unknown whether increased endovascular treatment of chronic mesenteric ischemia has led to decreases in open surgery, acute mesenteric ischemia, or overall mortality. The present study evaluates the trends in endovascular and open treatment over time for chronic and acute mesenteric ischemia. METHODS: We identified patients with chronic or acute mesenteric ischemia in the Nationwide Inpatient Sample and Center for Disease Control and Prevention database from 2000 to 2012. Trends in revascularization, mortality, and total deaths were evaluated over time. Data were adjusted to account for population growth. RESULTS: There were 14,810 revascularizations for chronic mesenteric ischemia (10,453 endovascular and 4,358 open) and 11,294 revascularizations for acute mesenteric ischemia (4,983 endovascular and 6,311 open). Endovascular treatment increased for both chronic (0.6-4.5/million, P < 0.01) and acute mesenteric ischemia (0.6-1.8/million, P < 0.01). However, concurrent declines in open surgery did not occur (chronic: 1-1.1/million, acute: 1.8-1.7/million). Among patients with acute mesenteric ischemia, the proportion with atrial fibrillation (18%) and frequency of embolectomy (1/million per year) remained stable. In-hospital mortality rates decreased for both endovascular (chronic: 8-3%, P < 0.01; acute: 28-17%, P < 0.01) and open treatment (chronic: 21-9%, P < 0.01; acute: 40-25%, P < 0.01). Annual population-based mortality remained stable for chronic mesenteric ischemia (0.7-0.6 deaths per million/year), but decreased for acute mesenteric ischemia (12.9-5.3 deaths per million/year, P < 0.01). CONCLUSIONS: Population mortality from acute mesenteric ischemia declined from 2000 to 2012, correlated with dramatic increases in endovascular intervention for chronic mesenteric ischemia, and in spite of a stable rate of embolization. However, open surgery for both chronic and acute ischemia remained stable.
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