Neurosurgical Review

, Volume 20, Issue 4, pp 250–258 | Cite as

Comparison of microsuturing to the use of tissue adhesives in anastomosing sciatic nerve cuts in rats

  • Serap S. Inalöz
  • Hüseyin E. Ak
  • Vildan Vayla
  • Mehmet Akin
  • Adem Aslan
  • Ibrahim Sari
  • Yusuf Çelik
  • Ümit Özkan


The purpose of this study was to investigate and to compare the effects of microsuturing to that of tissue adhesives (Tisseel®) on the healing of anastomosing peripheral nerve incisions.

Forty-five Wistar-Albino rats were placed in special cages and separated into three groups (n = 15). In the control group, biliteral sciatic nerves were explored but no incision was made. In the first experimental group, bilateral sciatic nerves were incised and end-to-end anastomosing was performed by microsuturing the epineurium. In the second experimental group, tissue adhesive (Tisseel®) was used alone in anastomosing the sciatic nerve cuts. Assessments of the healing processes were demonstrated by 1. electromyography (EMG), 2. measuring the electrical responses of the anastomosed nerves after electrical stimuli, 3. histopathological examination.

Statistical analysis of the EMG findings showed that the Tisseel group was the closest in the healing process to the control group. After applying electrical stimuli to the dissected nerves, the resistance value of the Tisseel group was nearest to those of the control group. The histopathological examinations showed highly degenerative nervebundles and prominent foreign body granuloma at the anastomosed sites of the microsutured group. The granulomatous inflammation was observed to be much less in the Tisseel group.

We conclude that the healing effect of Tisseel was found to be superior to that of microsmuring as demonstrated by the findings of EMG, electrical responses of the anastomosed nerves, and histopathological examination.


Histopathology microsurgery sciatic nerve Tisseel 


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Copyright information

© Walter de Gruyter & Co. 1997

Authors and Affiliations

  • Serap S. Inalöz
    • 1
  • Hüseyin E. Ak
    • 2
  • Vildan Vayla
    • 3
  • Mehmet Akin
    • 4
  • Adem Aslan
    • 5
  • Ibrahim Sari
    • 5
  • Yusuf Çelik
    • 6
  • Ümit Özkan
    • 2
  1. 1.Department of Histology and EmbryologyDicle University Medical FacultyDiyarbakirTurkey
  2. 2.Department of NeurosurgeryDicle University Medical FacultyDiyarbakirTurkey
  3. 3.Department of NeurologyDicle University Medical FacultyDiyarbakirTurkey
  4. 4.Department of PhysicsDicle University Medical FacultyDiyarbakirTurkey
  5. 5.Department of PathologyDicle University Medical FacultyDiyarbakirTurkey
  6. 6.Department of BiostaticsDicle University Medical FacultyDiyarbakirTurkey

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