Jiri Bartek1,2, Sasha Gulati3,4, Geirmund Unsgård3,4, Clemens Weber3,5, Petter Förander6, Ole Solheim3,4, Asgeir S Jakola4,7,8. 1. Department of Clinical Neuroscience, Section for Neurosurgery, Karolinska Institutet and Department of Neurosurgery, Karolinska University Hospital, Stockholm, Sweden. jiri.bartek@karolinska.se. 2. Department of Neurosurgery, Copenhagen University Hospital Rigshospitalet, Copenhagen, Denmark. jiri.bartek@karolinska.se. 3. Department of Neuroscience, Norwegian University of Science and Technology, Trondheim, Norway. 4. Department of Neurosurgery, St.Olavs Hospital, Trondheim, Norway. 5. Department of Neurosurgery, Stavanger University Hospital, Stavanger, Norway. 6. Department of Clinical Neuroscience, Section for Neurosurgery, Karolinska Institutet and Department of Neurosurgery, Karolinska University Hospital, Stockholm, Sweden. 7. Department of Neurosurgery, Sahlgrenska University Hospital, Gothenburg, Sweden. 8. Institute of Neuroscience and Physiology, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden.
Abstract
OBJECTIVE: To investigate frequencies of adverse events occurring within 30 days after microvascular decompression (MVD) surgery using a standardized report form of adverse events. METHODS: We conducted a retrospective review of 98 adult patients (≥16 years) treated with MVD between 1 January 1994 and 1 June 2013. Adverse events occurring within 30 days were classified according to the Landriel Ibanez classification for neurosurgical complications: grade I represents any non-life threatening complication treated without invasive procedures; grade II is complications requiring invasive management; grade III is life-threatening adverse events requiring treatment in an intensive care unit (ICU); grade IV is death as a result of complications. We sought to compare our results with reports from the literature. RESULTS: Patients' median age was 61 years (range 26-83), and 64 (65 %) were females. Indications for MVD were trigeminal neuralgia (n = 77, 79 %), glossopharyngeal neuralgia (n = 4, 4 %), hemifacial spasm (n = 16, 16 %) and combined trigeminal neuralgia and hemifacial spasm (n = 1, 1 %). The overall 30-day complication rate was 20 %, with 14 % grade I complications, 5 % grade II complications and 1 % grade III complications. The comparison with the literature was hampered by the diverse and unsystematic way of reporting complications. CONCLUSION: We provide a standardized report of postoperative complications in a consecutive patient series undergoing MVD. Due to the heterogeneous and non-standardized reporting of complications in the literature, it is difficult to know if our 20 % complication rate is low or high. Standardized reporting is a necessity for meaningful and more valid comparisons across studies. The safety of MVD, a fairly standardized neurosurgical procedure, is well suited for comparisons across centers provided that complications are reported in a standardized manner.
OBJECTIVE: To investigate frequencies of adverse events occurring within 30 days after microvascular decompression (MVD) surgery using a standardized report form of adverse events. METHODS: We conducted a retrospective review of 98 adult patients (≥16 years) treated with MVD between 1 January 1994 and 1 June 2013. Adverse events occurring within 30 days were classified according to the Landriel Ibanez classification for neurosurgical complications: grade I represents any non-life threatening complication treated without invasive procedures; grade II is complications requiring invasive management; grade III is life-threatening adverse events requiring treatment in an intensive care unit (ICU); grade IV is death as a result of complications. We sought to compare our results with reports from the literature. RESULTS:Patients' median age was 61 years (range 26-83), and 64 (65 %) were females. Indications for MVD were trigeminal neuralgia (n = 77, 79 %), glossopharyngeal neuralgia (n = 4, 4 %), hemifacial spasm (n = 16, 16 %) and combined trigeminal neuralgia and hemifacial spasm (n = 1, 1 %). The overall 30-day complication rate was 20 %, with 14 % grade I complications, 5 % grade II complications and 1 % grade III complications. The comparison with the literature was hampered by the diverse and unsystematic way of reporting complications. CONCLUSION: We provide a standardized report of postoperative complications in a consecutive patient series undergoing MVD. Due to the heterogeneous and non-standardized reporting of complications in the literature, it is difficult to know if our 20 % complication rate is low or high. Standardized reporting is a necessity for meaningful and more valid comparisons across studies. The safety of MVD, a fairly standardized neurosurgical procedure, is well suited for comparisons across centers provided that complications are reported in a standardized manner.
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