Acute Kidney Injury After Burn: A Cohort Study From the Parkland Burn Intensive Care Unit

Audra T. Clark, Xilong Li, Rohan Kulangara, Beverley Adams-Huet, Sarah C. Huen, Tarik D. Madni, Jonathan B. Imran, Herb A. Phelan, Brett D. Arnoldo, Orson W. Moe, Steven Wolf, Javier A. Neyra

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Acute kidney injury (AKI) is a common and morbid complication in patients with severe burn. The reported incidence of AKI and mortality in this population varies widely due to inconsistent and changing definitions. They aimed to examine the incidence, severity, and hospital mortality of patients with AKI after burn using consensus criteria. This is a retrospective cohort study of adults with thermal injury admitted to the Parkland burn intensive care unit (ICU) from 2008 to 2015. One thousand forty adult patients with burn were admitted to the burn ICU. AKI was defined by KDIGO serum creatinine criteria. Primary outcome includes hospital death and secondary outcome includes length of mechanical ventilation, ICU, and hospital stay. All available serum creatinine measurements were used to determine the occurrence of AKI during the hospitalization. All relevant clinical data were collected. The median total body surface area (TBSA) of burn was 16% (IQR: 6%-29%). AKI occurred in 601 patients (58%; AKI stage 1, 60%; stage 2, 19.8%; stage 3, 10.5%; and stage 3 requiring renal replacement therapy [3-RRT], 9.7%). Patients with AKI had larger TBSA burn (median 20.5% vs 11.0%; P < .001) and more mechanical ventilation and hospitalization days than patients without AKI. The hospital death rate was higher in those with AKI vs those without AKI (19.7% vs 3.9%; P < .001) and increased by each AKI severity stage (P trend < .001). AKI severity was independently associated with hospital mortality in the small burn group (for TBSA ≤ 10%: stage 1 adjusted OR 9.3; 95% CI, 2.6-33.0; stage 2-3 OR, 35.0; 95% CI, 9.0-136.8; stage 3-RRT OR, 30.7; 95% CI, 4.2-226.4) and medium burn group (TBSA 10%-40%: stage 2-3 OR, 6.5; 95% CI, 1.9-22.1; stage 3-RRT OR, 35.1; 95% CI, 8.2-150.3). AKI was not independently associated with hospital death in the large burn group (TBSA > 40%). Urine output data were unavailable. AKI occurs frequently in patients after burn. Presence of and increasing severity of AKI are associated with increased hospital mortality. AKI appears to be independently and strongly associated with mortality in patients with TBSA ≤ 40%. Further investigation to develop risk-stratification tools tailoring this susceptible population is direly needed.

Original languageEnglish (US)
Pages (from-to)72-78
Number of pages7
JournalJournal of burn care & research : official publication of the American Burn Association
Volume40
Issue number1
DOIs
StatePublished - Jan 1 2019
Externally publishedYes

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Acute Kidney Injury
Intensive Care Units
Cohort Studies
Body Surface Area
Hospital Mortality
Creatinine
Renal Replacement Therapy
Mortality
Incidence
Serum
Artificial Respiration
Population
Length of Stay
Hospitalization
Retrospective Studies
Hot Temperature
Urine
Wounds and Injuries

ASJC Scopus subject areas

  • Surgery
  • Emergency Medicine
  • Rehabilitation

Cite this

Acute Kidney Injury After Burn : A Cohort Study From the Parkland Burn Intensive Care Unit. / Clark, Audra T.; Li, Xilong; Kulangara, Rohan; Adams-Huet, Beverley; Huen, Sarah C.; Madni, Tarik D.; Imran, Jonathan B.; Phelan, Herb A.; Arnoldo, Brett D.; Moe, Orson W.; Wolf, Steven; Neyra, Javier A.

In: Journal of burn care & research : official publication of the American Burn Association, Vol. 40, No. 1, 01.01.2019, p. 72-78.

Research output: Contribution to journalArticle

Clark, AT, Li, X, Kulangara, R, Adams-Huet, B, Huen, SC, Madni, TD, Imran, JB, Phelan, HA, Arnoldo, BD, Moe, OW, Wolf, S & Neyra, JA 2019, 'Acute Kidney Injury After Burn: A Cohort Study From the Parkland Burn Intensive Care Unit', Journal of burn care & research : official publication of the American Burn Association, vol. 40, no. 1, pp. 72-78. https://doi.org/10.1093/jbcr/iry046
Clark, Audra T. ; Li, Xilong ; Kulangara, Rohan ; Adams-Huet, Beverley ; Huen, Sarah C. ; Madni, Tarik D. ; Imran, Jonathan B. ; Phelan, Herb A. ; Arnoldo, Brett D. ; Moe, Orson W. ; Wolf, Steven ; Neyra, Javier A. / Acute Kidney Injury After Burn : A Cohort Study From the Parkland Burn Intensive Care Unit. In: Journal of burn care & research : official publication of the American Burn Association. 2019 ; Vol. 40, No. 1. pp. 72-78.
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AU - Clark, Audra T.

AU - Li, Xilong

AU - Kulangara, Rohan

AU - Adams-Huet, Beverley

AU - Huen, Sarah C.

AU - Madni, Tarik D.

AU - Imran, Jonathan B.

AU - Phelan, Herb A.

AU - Arnoldo, Brett D.

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AU - Wolf, Steven

AU - Neyra, Javier A.

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N2 - Acute kidney injury (AKI) is a common and morbid complication in patients with severe burn. The reported incidence of AKI and mortality in this population varies widely due to inconsistent and changing definitions. They aimed to examine the incidence, severity, and hospital mortality of patients with AKI after burn using consensus criteria. This is a retrospective cohort study of adults with thermal injury admitted to the Parkland burn intensive care unit (ICU) from 2008 to 2015. One thousand forty adult patients with burn were admitted to the burn ICU. AKI was defined by KDIGO serum creatinine criteria. Primary outcome includes hospital death and secondary outcome includes length of mechanical ventilation, ICU, and hospital stay. All available serum creatinine measurements were used to determine the occurrence of AKI during the hospitalization. All relevant clinical data were collected. The median total body surface area (TBSA) of burn was 16% (IQR: 6%-29%). AKI occurred in 601 patients (58%; AKI stage 1, 60%; stage 2, 19.8%; stage 3, 10.5%; and stage 3 requiring renal replacement therapy [3-RRT], 9.7%). Patients with AKI had larger TBSA burn (median 20.5% vs 11.0%; P < .001) and more mechanical ventilation and hospitalization days than patients without AKI. The hospital death rate was higher in those with AKI vs those without AKI (19.7% vs 3.9%; P < .001) and increased by each AKI severity stage (P trend < .001). AKI severity was independently associated with hospital mortality in the small burn group (for TBSA ≤ 10%: stage 1 adjusted OR 9.3; 95% CI, 2.6-33.0; stage 2-3 OR, 35.0; 95% CI, 9.0-136.8; stage 3-RRT OR, 30.7; 95% CI, 4.2-226.4) and medium burn group (TBSA 10%-40%: stage 2-3 OR, 6.5; 95% CI, 1.9-22.1; stage 3-RRT OR, 35.1; 95% CI, 8.2-150.3). AKI was not independently associated with hospital death in the large burn group (TBSA > 40%). Urine output data were unavailable. AKI occurs frequently in patients after burn. Presence of and increasing severity of AKI are associated with increased hospital mortality. AKI appears to be independently and strongly associated with mortality in patients with TBSA ≤ 40%. Further investigation to develop risk-stratification tools tailoring this susceptible population is direly needed.

AB - Acute kidney injury (AKI) is a common and morbid complication in patients with severe burn. The reported incidence of AKI and mortality in this population varies widely due to inconsistent and changing definitions. They aimed to examine the incidence, severity, and hospital mortality of patients with AKI after burn using consensus criteria. This is a retrospective cohort study of adults with thermal injury admitted to the Parkland burn intensive care unit (ICU) from 2008 to 2015. One thousand forty adult patients with burn were admitted to the burn ICU. AKI was defined by KDIGO serum creatinine criteria. Primary outcome includes hospital death and secondary outcome includes length of mechanical ventilation, ICU, and hospital stay. All available serum creatinine measurements were used to determine the occurrence of AKI during the hospitalization. All relevant clinical data were collected. The median total body surface area (TBSA) of burn was 16% (IQR: 6%-29%). AKI occurred in 601 patients (58%; AKI stage 1, 60%; stage 2, 19.8%; stage 3, 10.5%; and stage 3 requiring renal replacement therapy [3-RRT], 9.7%). Patients with AKI had larger TBSA burn (median 20.5% vs 11.0%; P < .001) and more mechanical ventilation and hospitalization days than patients without AKI. The hospital death rate was higher in those with AKI vs those without AKI (19.7% vs 3.9%; P < .001) and increased by each AKI severity stage (P trend < .001). AKI severity was independently associated with hospital mortality in the small burn group (for TBSA ≤ 10%: stage 1 adjusted OR 9.3; 95% CI, 2.6-33.0; stage 2-3 OR, 35.0; 95% CI, 9.0-136.8; stage 3-RRT OR, 30.7; 95% CI, 4.2-226.4) and medium burn group (TBSA 10%-40%: stage 2-3 OR, 6.5; 95% CI, 1.9-22.1; stage 3-RRT OR, 35.1; 95% CI, 8.2-150.3). AKI was not independently associated with hospital death in the large burn group (TBSA > 40%). Urine output data were unavailable. AKI occurs frequently in patients after burn. Presence of and increasing severity of AKI are associated with increased hospital mortality. AKI appears to be independently and strongly associated with mortality in patients with TBSA ≤ 40%. Further investigation to develop risk-stratification tools tailoring this susceptible population is direly needed.

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