ArticleQuantitative imaging in medicine and surgery2023
Multi-slice computed tomographic analysis and identification of remarkable anatomical types of segmental bronchi in bilateral inferior lobes: based on extensive data.
Article in Quantitative imaging in medicine and surgery, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Background: The progress of interventional respiratory medicine necessitates a comprehensive knowledge of the segmental bronchi because of their complexity in branching patterns. Therefore, based on extensive research data, we aimed to examine the anatomical diversity and sex-related variations of the segmental bronchial branching patterns in the bilateral inferior lobes. Methods: Following the exclusion and inclusion criteria, a total of 10,000 participants who underwent multi-slice computed tomography (MSCT) scans from September 2019 to December 2021 at Cheeloo College of Medicine, Shandong University were enrolled in this retrospective study. The computed tomography (CT) data were utilized to generate three-dimensional (3D) and virtual bronchoscopy (VB) simulations of a bronchial tree using the syngo.via post-processing workstation. The distinct bronchial patterns in the bilateral inferior lobes were then found and categorized using the reconstructed images. The proportions of different types of bronchial branches and their sex-related correlations were analyzed by cross-tabulation and chi-square analysis. Results: Our findings primarily identified four types of bronchial branching patterns in the right inferior lobe (RIL), i.e., (B6, B7, B8, B9+10), 71.44%; (B6, B7, B8+9, B10), 16.06%; (B6, B7+8, B9+10), 7.40%; (B6, B7, B8+9+10), 5.10%; and four types in the left inferior lobe (LIL), i.e., (B6, B7+8, B9+10), 82.89%; (B6, B7+8, B9, B10), 13.53%; (B6, B7, B8+9, B10), 2.88%; (B6, B7, B8+9+10), 0.70%. Besides various research methods and outcomes, this study has revealed the types of bronchial branches that were not seen in previous studies. In addition, the proportion of bronchial branches in the LIL did not differ significantly between males and females (P>0.05). However, there was a significant difference in the proportion of bronchial branches in the RIL between sexes (P<0.05). Conclusions: The current study has validated the segmental bronchial variations in the bilateral inferior lobes. The diagnosis of symptomatic patients as well as the performance of interventions like bronchoscopies, endotracheal intubation, and lung resections may be significantly influenced by our findings in the clinical setting.
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