Acute Kidney InjuryFirearmsWounds, GunshotCritical IllnessRenal Replacement TherapyCrush SyndromeCreatinineAzotemiaIntensive Care UnitsRetrospective StudiesSeverity of Illness IndexAPACHEUraniumHospital MortalityGeobacterVictoriaLipocalinsRenal InsufficiencyLength of StayRisk FactorsAcute-Phase ProteinsKidney DiseasesGlomerular Filtration RateCohort StudiesAcute DiseaseKidney Failure, ChronicIncidenceBiological MarkersPrognosisRisk AssessmentRenal DialysisKidneyPredictive Value of TestsProspective StudiesTime FactorsTreatment OutcomeSurvival Rate