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High Resistive Index
Zachary Nuffer, MD; Shweta Bhatt, MD
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KEY FACTS

  • Terminology

    • Imaging

      • Top Differential Diagnoses

        • Pathology

          • Diagnostic Checklist

            TERMINOLOGY

            • Abbreviations

              • Resistive index (RI)
            • Synonyms

              • Arterial resistivity index
              • Pourcelot index
            • Definitions

              • RI = (peak systolic velocity - end diastolic velocity)/end diastolic velocity

            IMAGING

            • General Features

              • Ultrasonographic Findings

                • Imaging Recommendations

                  DIFFERENTIAL DIAGNOSIS

                    PATHOLOGY

                    • General Features

                      DIAGNOSTIC CHECKLIST

                      • Consider

                        • Image Interpretation Pearls

                          • Reporting Tips

                            Selected References

                            1. Viazzi F et al: Ultrasound Doppler renal resistive index: a useful tool for the management of the hypertensive patient. J Hypertens. 32(1):149-53, 2014
                            2. Granata A et al: Doppler ultrasound and renal artery stenosis: an overview. J Ultrasound. 12(4):133-43, 2009
                            3. Tublin ME et al: Review. The resistive index in renal Doppler sonography: where do we stand? AJR Am J Roentgenol. 180(4):885-92, 2003
                            4. Platt JF et al: Intrarenal arterial Doppler sonography in patients with nonobstructive renal disease: correlation of resistive index with biopsy findings. AJR Am J Roentgenol. 154(6):1223-7, 1990
                            5. Platt JF et al: Distinction between obstructive and nonobstructive pyelocaliectasis with duplex Doppler sonography. AJR Am J Roentgenol. 153(5):997-1000, 1989
                            6. Chamorro HA et al: Multiimaging approach in the diagnosis of Page kidney. AJR Am J Roentgenol. 136(3):620-1, 1981
                            7. Marshall WH Jr et al: Hypertension produced by constricting capsular renal lesions. ("Page" kidney). Radiology. 101(3):561-5, 1971
                            Related Anatomy
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                            Related Differential Diagnoses
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                            References
                            Tables

                            Tables

                            KEY FACTS

                            • Terminology

                              • Imaging

                                • Top Differential Diagnoses

                                  • Pathology

                                    • Diagnostic Checklist

                                      TERMINOLOGY

                                      • Abbreviations

                                        • Resistive index (RI)
                                      • Synonyms

                                        • Arterial resistivity index
                                        • Pourcelot index
                                      • Definitions

                                        • RI = (peak systolic velocity - end diastolic velocity)/end diastolic velocity

                                      IMAGING

                                      • General Features

                                        • Ultrasonographic Findings

                                          • Imaging Recommendations

                                            DIFFERENTIAL DIAGNOSIS

                                              PATHOLOGY

                                              • General Features

                                                DIAGNOSTIC CHECKLIST

                                                • Consider

                                                  • Image Interpretation Pearls

                                                    • Reporting Tips

                                                      Selected References

                                                      1. Viazzi F et al: Ultrasound Doppler renal resistive index: a useful tool for the management of the hypertensive patient. J Hypertens. 32(1):149-53, 2014
                                                      2. Granata A et al: Doppler ultrasound and renal artery stenosis: an overview. J Ultrasound. 12(4):133-43, 2009
                                                      3. Tublin ME et al: Review. The resistive index in renal Doppler sonography: where do we stand? AJR Am J Roentgenol. 180(4):885-92, 2003
                                                      4. Platt JF et al: Intrarenal arterial Doppler sonography in patients with nonobstructive renal disease: correlation of resistive index with biopsy findings. AJR Am J Roentgenol. 154(6):1223-7, 1990
                                                      5. Platt JF et al: Distinction between obstructive and nonobstructive pyelocaliectasis with duplex Doppler sonography. AJR Am J Roentgenol. 153(5):997-1000, 1989
                                                      6. Chamorro HA et al: Multiimaging approach in the diagnosis of Page kidney. AJR Am J Roentgenol. 136(3):620-1, 1981
                                                      7. Marshall WH Jr et al: Hypertension produced by constricting capsular renal lesions. ("Page" kidney). Radiology. 101(3):561-5, 1971