Mauro Gargiulo1, Claudio Bianchini Massoni1, Enrico Gallitto1, Antonio Freyrie1, Santi Trimarchi1, Gianluca Faggioli1, Andrea Stella2. 1. Vascular Surgery, Department of Experimental, Diagnostic and Specialty Medicine, University of Bologna, Policlinico Sant'Orsola-Malpighi, Bologna, Italy ; 2 Vascular Surgery, Department of Cardiovascular Surgery, Thoracic Aortic Research Center, Policlinico San Donato I.R.C.C.S., University of Milan, Italy. 2. 1 Vascular Surgery, Department of Experimental, Diagnostic and Specialty Medicine, University of Bologna, Policlinico Sant'Orsola-Malpighi, Bologna, Italy ; 2 Vascular Surgery, Department of Cardiovascular Surgery, Thoracic Aortic Research Center, Policlinico San Donato I.R.C.C.S., University of Milan, Italy.
Abstract
BACKGROUND: Lower limb malperfusion (LLM) syndrome occurs in up to 40% of complicated type B aortic dissections (TBAD) and in up to 71% of TBAD with malperfusion syndrome. This syndrome is associated with higher 30-day mortality. The aim of this systematic review was to provide clinical and procedural data of patients with LLM syndrome secondary to TBAD. METHODS: The PubMed database was systematically searched from January 2000 to June 2014 for English-language publications reporting on demographic data of patients with LLM secondary to TBAD. RESULTS: A total of 29 papers were included (10 original articles and 19 case reports), reporting on a total of 138 patients (mean age =58±12 years; male =87%). Lower limb complications developed in acute and chronic TBAD in 134 (97%) and 4 (3%) cases, respectively. LLM presented with acute limb ischemia in 120 (87%) patients. Bilateral clinical presentation occurred in 56% (40/72) of cases. LLM was the only clinically detected malperfusion in 52% of cases (44/84). In 40% (35/84) and 25% (21/84) of cases, LLM was clinically associated with renal and visceral malperfusion, respectively. Radiological imaging showed renal, celiac trunk and superior mesenteric artery involvement in 53% (47/88), 31% (27/88) and 34% (30/88) of cases, respectively. Medical, surgical and endovascular treatments were performed in 22 (16%), 51 (37%) and 65 (47%) patients, respectively. Thirty-day morbidity was 31% (13/42) and 46% (6/13) following surgical and endovascular treatment, respectively. Thirty-day mortality was 14% (5/36) and 8% (2/26) following surgical and endovascular treatment, respectively. CONCLUSIONS: LLM syndrome secondary to TBAD usually developed during the acute phase and, in most cases, presented with acute limb ischemia. Bilateral clinical presentation occurred in more than half of cases. Renal and visceral malperfusion were frequently associated with lower limb flow reduction but LLM was the only clinically detected malperfusion in more than half of patients. Surgical fenestration was burdened with significant complication rates and 30-day mortality. Endovascular procedures showed lower mortality but complication rates remained high.
BACKGROUND: Lower limb malperfusion (LLM) syndrome occurs in up to 40% of complicated type B aortic dissections (TBAD) and in up to 71% of TBAD with malperfusion syndrome. This syndrome is associated with higher 30-day mortality. The aim of this systematic review was to provide clinical and procedural data of patients with LLM syndrome secondary to TBAD. METHODS: The PubMed database was systematically searched from January 2000 to June 2014 for English-language publications reporting on demographic data of patients with LLM secondary to TBAD. RESULTS: A total of 29 papers were included (10 original articles and 19 case reports), reporting on a total of 138 patients (mean age =58±12 years; male =87%). Lower limb complications developed in acute and chronic TBAD in 134 (97%) and 4 (3%) cases, respectively. LLM presented with acute limb ischemia in 120 (87%) patients. Bilateral clinical presentation occurred in 56% (40/72) of cases. LLM was the only clinically detected malperfusion in 52% of cases (44/84). In 40% (35/84) and 25% (21/84) of cases, LLM was clinically associated with renal and visceral malperfusion, respectively. Radiological imaging showed renal, celiac trunk and superior mesenteric artery involvement in 53% (47/88), 31% (27/88) and 34% (30/88) of cases, respectively. Medical, surgical and endovascular treatments were performed in 22 (16%), 51 (37%) and 65 (47%) patients, respectively. Thirty-day morbidity was 31% (13/42) and 46% (6/13) following surgical and endovascular treatment, respectively. Thirty-day mortality was 14% (5/36) and 8% (2/26) following surgical and endovascular treatment, respectively. CONCLUSIONS:LLM syndrome secondary to TBAD usually developed during the acute phase and, in most cases, presented with acute limb ischemia. Bilateral clinical presentation occurred in more than half of cases. Renal and visceral malperfusion were frequently associated with lower limb flow reduction but LLM was the only clinically detected malperfusion in more than half of patients. Surgical fenestration was burdened with significant complication rates and 30-day mortality. Endovascular procedures showed lower mortality but complication rates remained high.
Entities:
Keywords:
Type B dissection; acute limb ischemia; lower extremity; malperfusion
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