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Postoperative chronic renal failure: a new syndrome?
Annals of Surgery
|July 1, 1975
Summary
Postsurgical acute tubular necrosis can lead to severe permanent renal failure in 9.5% of survivors, particularly in older patients exposed to nephrotoxic agents. Avoiding combinations of age, certain antibiotics, and anesthetics is crucial.
Area of Science:
- Nephrology
- Anesthesiology
- Pharmacology
Background:
- Acute tubular necrosis (ATN) is a significant postsurgical complication.
- The long-term sequelae of ATN, particularly permanent renal failure, are not well-characterized.
- Improved dialysis techniques may increase survival, potentially revealing higher rates of permanent renal damage.
Purpose of the Study:
- To determine the incidence of severe permanent renal failure in survivors of postsurgical acute tubular necrosis.
- To identify risk factors associated with the development of permanent renal failure after ATN.
Main Methods:
- Retrospective analysis of 125 patients with postsurgical acute tubular necrosis.
- Evaluation of patient demographics, anesthetic agents, and antibiotic use.
- Assessment of renal function recovery and long-term outcomes.
Main Results:
- Of 125 patients, 87 died, 34 recovered normal renal function, and 4 (9.5%) developed severe permanent renal failure.
- The 4 patients with permanent renal failure were over 60 years old.
- All 4 patients received nephrotoxic antibiotics, and 2 were exposed to methoxyflurane anesthesia.
Conclusions:
- The incidence of permanent renal failure following postsurgical ATN may be higher than previously reported.
- A multifactorial etiology is implicated, including advanced age (>60 years), nephrotoxic antibiotics (cephalothin, gentamicin sulfate), and methoxyflurane anesthesia.
- Avoiding the combination of these risk factors is recommended to prevent permanent renal lesions.