Perioperative medicine & outcomes

Advanced chronic kidney disease after surgery and the contribution of acute kidney disease: a national observational cohort study

Br J AnaesthPublished Observational cohort study

Authors' conclusion

Advanced CKD within 1 yr after surgery is uncommon but clinically important in patients without preoperative renal dysfunction. Advanced AKD after surgery constitutes a major risk factor for advanced CKD and MAKE365.

Study context

Population
Adults without renal dysfunction before noncardiac surgery in Sweden, 2007–2013
Participants
237,124 adults
Exposure
Advanced acute kidney disease (AKD) vs no advanced AKD after surgery
  • Advanced AKDn = 1,661
Outcome
Advanced CKD (eGFR <30 ml min-1 1.73 m-2) and MAKE365 (eGFR <30 ml min-1 1.73 m-2, chronic dialysis, death)
Follow-up
1 yr
Methodological detailsmulticentre, national registry linkage
  • Multicentre
  • National registry linkage

Main finding

As reported in the abstract

Incidence of advanced CKD and MAKE365

Advanced chronic kidney disease (CKD)

1597

0.67%

MAKE365

16,789

7.1%

Observational data: associations, not effects.

Further findings

OutcomeAdvanced AKDEstimate
Advanced CKD by advanced AKD · 1 yr36%SHR 44.5 (95% CI 38.7–51.1)
MAKE365 by advanced AKD · 1 yr51%HR 6.60 (95% CI 6.07–7.17)

Risk factors for advanced CKD

Higher ASA physical status, urological surgery, extended surgical duration, prolonged postoperative LOS, repeated surgery, postoperative renin-angiotensin-aldosterone system blockers

Original publication

Advanced chronic kidney disease after surgery and the contribution of acute kidney disease: a national observational cohort study. Br J Anaesth. Published 28 March 2024. doi:10.1016/j.bja.2024.02.024

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