Furosemide Response Predicts Acute Kidney Injury After Cardiac Surgery in Infants and Neonates. (Lima)

Borasino S, Wall KM, Crawford JH, et al. Furosemide Response Predicts Acute Kidney Injury After Cardiac Surgery in Infants and Neonates. Pediatr Crit Care Med. 2018 Apr;19(4):310-317.

OBJECTIVE: Cardiac surgery-induced acute kidney injury occurs frequently in neonates and infants and is associated with postoperative morbidity/mortality; early identification of cardiac surgery-induced acute kidney injury may be crucial to mitigate postoperative morbidity. We sought to determine if hourly or 6-hour cumulative urine output after furosemide in the first 24 hours after cardiopulmonary bypass could predict development of cardiac surgery-induced acute kidney injury and other deleterious outcomes.

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Comparison of low-dose ketamine to midazolam for sedation during pediatric urodynamic study. (Pham)

Paediatr Anaesth. 2013 May;23(5):415-21. PMID: 23061785

INTRODUCTION: Aim of sedation during pediatric urodynamic studies (UDS) is a calm and cooperative child while not affecting measurements. We compared the effectiveness of midazolam to low-dose ketamine infusion for sedation and their impact on urodynamics.

MATERIALS AND METHODS: ASA-I children undergoing UDS were randomly assigned to group K (ketamine) loading dose (0.25 mg·kg(-1) ) followed by infusion of 10-20 μg·kg(-1) ·min(-1) or group M (midazolam) loading dose of (0.02 mg·kg(-1) ) followed by 1-2 μg·kg(-1) ·min(-1) . The sedation scores and reactivity to catheterization were monitored by Children Hospital of Wisconsin Sedation Scale and Frankl Behavior Rating Scale, respectively. The UDS included two-channel filling cystometry in supine position followed by a free uroflowmetry in sitting position. The UDS was performed and interpreted in accordance with good urodynamic practice guidelines of International Continence Society (2002).

RESULTS: A total of 34 children were enrolled. Group K children (n = 17) attained sedation earlier 6.80 (±3.36) min vs. 9.40 (±2.82) min; (P = 0.03) than group M (n = 17) and also recovered earlier 11.60 (±3.13) min vs. 19.67 (±5.49) min (P = 0.01). Reactivity scores during urinary and rectal catheterization were lower in group K (P = 0.03 and 0.01), respectively. Historical UDS data of 21 participants were available for comparison with effect of medication. None of the study drugs affected UDS parameters significantly.

CONCLUSIONS: Midazolam or low-dose ketamine provide satisfactory sedation during pediatric UDS without impacting urodynamic values.

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