Introduction: The aim of this study was to evaluate malperfusion in patients presenting with acute type A dissection (ATAD) and correlate with mortality based on organ system involved. Methods: A registry of all patients who underwent ATAD repair at our tertiary referral center between 2002 and 2018 was retrospectively queried. Patients with type B aortic dissection and chronic type A aortic dissections (time from presentation > 14 days) were excluded. Malperfusion syndromes at presentation including central nervous system (brain and spinal cord), visceral renal, and lower extremity (LE) were documented. Preoperative and intraoperative variables were analyzed, and post-operative outcomes were correlated with the malperfused organ system. Results: From 2002 to 2018, 378 patients underwent ATAD repair at our tertiary referral center. The average age was 57 years, 68% were male, and 51% were white. Approximately 70% of the cohort were transferred from an outside hospital. A total of 124 patients (33%) presented with malperfusion of at least one organ: 16% (N=62) LE, 8% (N=31) brain, 8% (N=30) renal, 3% (N=11) with visceral malperfusion, and 2% (N=8) with spinal cord malperfusion. On multivariate analysis, 30-day mortality was significantly increased in patients presenting with visceral ischemia (OR=3.7, P=0.04). The average follow-up was 2.3 years. Kaplan Meier survival curves showed a significant decrease in long term survival in patients presenting with brain (P=0.01), visceral (P=0.002), and renal ischemia (P<0.001). No difference in short or long-term survival was seen in patients presenting with LE ischemia (P=0.28). Conclusions: In this review, 33% of ATAD patients presented with malperfusion of at least one organ system. Visceral malperfusion was associated with poor short-term survival, whereas CNS, renal, and visceral malperfusion had decreased long term survival. LE malperfusion had no association with short or long-term mortality.
Traumatic bronchial tears are rare life-threatening injuries. Here, we report a 28-year old male who presented after sustaining a crush injury to his thoracic cavity, resulting in a spiral left mainstem bronchial tear secondary to high intraluminal pressure. While preparing for surgery, a preoperative bronchoscopy found that the bronchial tear had re-approximated and effectively sealed the laceration. No operative intervention was performed and the patient subsequently underwent a full recovery. While most bronchial tears undergo surgical intervention, our report describes the successful management of a bronchial tear injury with a non-operative approach and supportive care.
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