Complex Regional Pain SyndromesReflex Sympathetic DystrophyPain MeasurementPain, IntractableForearm InjuriesAdjuvants, PharmaceuticSympathetic Fibers, PostganglionicAutonomic Nerve BlockBlisterChronic PainPainSymptom AssessmentHyperalgesiaDepressionSeverity of Illness IndexTreatment OutcomeKetamineAnalgesicsQuestionnairesProspective StudiesCold TemperatureNeuralgiaPain ThresholdBehavioral SymptomsPsychiatric Status Rating ScalesNociceptorsHandChronic DiseaseRetrospective StudiesAffective SymptomsQuality of LifePrevalenceSkinFollow-Up StudiesAnxietyDepressive DisorderInflammationTime FactorsRisk FactorsCross-Sectional StudiesStress Disorders, Post-TraumaticFatigueLongitudinal StudiesBrainWounds and InjuriesNeural ConductionSensory ThresholdsInflammation MediatorsAsthmaNeural PathwaysRespiration DisordersSchizophreniaStress, PsychologicalCoughLower Urinary Tract SymptomsGastroesophageal RefluxSchizophrenic PsychologyPsychotic DisordersGastrointestinal DiseasesOccupational DiseasesPsychometricsUrination DisordersRespiratory Tract DiseasesComorbidity