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Virtual navigation for transbronchial biopsy

Elena Filatova, Anna Tcvirenko, Igor Chernyaev, Sofia Markina, Igor Gainiyarov, Roman Berdnikov, Olga Fedorova, Valeriya Valueva, Sergey Skorniakov, Igor Medvinsky, Alexander Saveliev, Dmitry Repin
European Respiratory Journal 2014 44: P4980; DOI:
Elena Filatova
1Science and Research, Ural Research Institute for Phthisiopulmonology, Yekaterinburg, Russian Federation
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Anna Tcvirenko
1Science and Research, Ural Research Institute for Phthisiopulmonology, Yekaterinburg, Russian Federation
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Igor Chernyaev
1Science and Research, Ural Research Institute for Phthisiopulmonology, Yekaterinburg, Russian Federation
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Sofia Markina
2Physics and Technology Institute, Ural Fedral University, Yekaterinburg, Russian Federation
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Igor Gainiyarov
2Physics and Technology Institute, Ural Fedral University, Yekaterinburg, Russian Federation
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Roman Berdnikov
1Science and Research, Ural Research Institute for Phthisiopulmonology, Yekaterinburg, Russian Federation
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Olga Fedorova
1Science and Research, Ural Research Institute for Phthisiopulmonology, Yekaterinburg, Russian Federation
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Valeriya Valueva
1Science and Research, Ural Research Institute for Phthisiopulmonology, Yekaterinburg, Russian Federation
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Sergey Skorniakov
1Science and Research, Ural Research Institute for Phthisiopulmonology, Yekaterinburg, Russian Federation
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Igor Medvinsky
1Science and Research, Ural Research Institute for Phthisiopulmonology, Yekaterinburg, Russian Federation
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Alexander Saveliev
1Science and Research, Ural Research Institute for Phthisiopulmonology, Yekaterinburg, Russian Federation
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Dmitry Repin
1Science and Research, Ural Research Institute for Phthisiopulmonology, Yekaterinburg, Russian Federation
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Abstract

Transbronchial lung biopsy (TBLB) is the method of choice for diagnosis in patients with disseminated pulmonary lesion (DPL) but it bring morphologically informative material in 53.5% only.

Objective: To assess the effectiveness of the virtual navigator during TBLB.

Methods: clinical, radiographic, CT, TBLB , histological and a 3D simulation. In cases with disseminated pulmonary disease it is necessary to build a 3D model based on DICOM image package taken from real patient to obtain the output virtual picture of respiratory congestion and numerous small lesions, among those to choose the most suitable for biopsy . The results of lung biopsy were cut into pieces no more than 0.3 cm for hystilogy. For identification: hematoxylin and eosin stain combined with picrofuchsin Van Gieson with resorcinol - fuchsin by Weigert, and Ziehl – Nielsen methods were used.

Material Study involved 19 patients. Group 1: 5 patients in whom TBLB conducted with 3D navigation. The group 2 (control): 14 patients in whom TBLB conducted without 3D navigation.

Results: in group1 TBLB gave material in 5 cases (100,0%), the proportion of the received informative n=4 (80,0 %). In the control group - received 14 (100%) biopsies of them informative - 4 (28,6 %). RR1 = 0.8; RR2 = 0.29. OR = 2.8 (p >0,05).

Conclusions:

Proportion of informative results in a group was 2.8 higher ( p >0,05). The use of virtual navigator with simulation at the planning stage of TBLB significantly increases the proportion of informative research compared with the current technology.

The relatively low cost and easy method development will give to bronchologist additional information to establish the diagnosis of DPL , which generally can reduce the probability of diagnostic errors.

  • Bronchoscopy
  • Interstitial lung disease
  • Imaging
  • © 2014 ERS
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Virtual navigation for transbronchial biopsy
Elena Filatova, Anna Tcvirenko, Igor Chernyaev, Sofia Markina, Igor Gainiyarov, Roman Berdnikov, Olga Fedorova, Valeriya Valueva, Sergey Skorniakov, Igor Medvinsky, Alexander Saveliev, Dmitry Repin
European Respiratory Journal Sep 2014, 44 (Suppl 58) P4980;

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Virtual navigation for transbronchial biopsy
Elena Filatova, Anna Tcvirenko, Igor Chernyaev, Sofia Markina, Igor Gainiyarov, Roman Berdnikov, Olga Fedorova, Valeriya Valueva, Sergey Skorniakov, Igor Medvinsky, Alexander Saveliev, Dmitry Repin
European Respiratory Journal Sep 2014, 44 (Suppl 58) P4980;
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