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Vigilant monitoring for aneurysm rupture is essential for patients undergoing aortic surgery.Preoperative Nursing ManagementContinuously monitor the patient for manifestations of aneurysm rupture, such as pallor, weakness, tachycardia, hypotension, abdominal, back, groin, or periumbilical pain, changes in consciousness, and a pulsating abdominal mass. Regularly assess the patient's peripheral pulses.Instruct the patient to consume a clear liquid diet the day before surgery and administer...
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Acute Kidney Injury IV: Diagnostic Studies and Prevention01:30

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Accurate diagnosis and effective prevention are critical in managing Acute Kidney Injury (AKI), which is linked to high mortality rates ranging from 10% to 80%. Timely recognition of at-risk patients and careful monitoring can significantly reduce the likelihood of kidney damage.Diagnostic Assessments:The diagnostic process starts with a comprehensive medical history to identify prerenal, intrarenal, and postrenal causes.Prerenal causes, such as dehydration, hypotension, or blood loss, should...
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A New Murine Model of Endovascular Aortic Aneurysm Repair
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Renal dysfunction and the associated decrease in survival after elective endovascular aneurysm repair.

Devin S Zarkowsky1, Caitlin W Hicks2, Ian C Bostock1

  • 1Division of Vascular and Endovascular Surgery, Dartmouth-Hitchcock Medical Center, Lebanon, NH.

Journal of Vascular Surgery
|August 2, 2016
PubMed
Summary
This summary is machine-generated.

Any post-EVAR renal dysfunction significantly lowers survival. Modifiable factors like heart failure and re-operation increase risk, while good kidney function is protective. Dosing contrast material by eGFR may improve outcomes.

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Area of Science:

  • Cardiovascular Surgery
  • Nephrology
  • Vascular Surgery

Background:

  • Renal dysfunction frequency post-elective endovascular aneurysm repair (EVAR) varies in literature.
  • Pre-existing end-stage renal disease is a known poor prognostic indicator.
  • Quantifying the mortality impact of postoperative renal morbidity is crucial.

Purpose of the Study:

  • To quantify the mortality effect of postoperative renal dysfunction after elective EVAR.
  • To identify modifiable risk factors for post-EVAR renal dysfunction.
  • To assess the protective role of preoperative renal function.

Main Methods:

  • Analysis of 14,475 elective EVAR patients from the Vascular Quality Initiative (2003-2014).
  • Primary endpoint: long-term mortality.
  • Stratification of mortality by renal outcome and identification of independent risk factors.

Main Results:

  • 96.8% had no renal dysfunction, 2.9% acute kidney injury, 0.4% new dialysis.
  • 5-year survival: 77.5% (no dysfunction) vs. 53.5% (AKI). 3-year survival for new dialysis: 22.8%.
  • Risk factors for dysfunction: congestive heart failure, return to OR, vasopressors. Protective factor: eGFR ≥60 mL/min/1.73 m².

Conclusions:

  • Post-EVAR renal dysfunction is linked to reduced long-term survival.
  • Protecting renal function is vital for improving patient outcomes.
  • A contrast material dosing strategy based on preoperative eGFR could optimize treatment.