The role of 3D reconstruction and printing technology in accurate preoperative evaluation of liver surgery

doi:10.3877/cma.j.issn.1674-3946.2019.06.008.

Abstract

Abstract:

Objective

To evaluate the role and significance of 3D reconstruction and printing technology in accurate preoperative evaluation of liver surgery.

Methods

Clinical data of 80 patients underwent hepatectomy, from January 2016 to January 2019, were analyzed retrospectively. According to the different preoperative evaluation, patients were divided into preoperative 3D reconstruction and printing technology group (3D group, n=40) and non-preoperative 3D reconstruction and printing technology group (non-3D group, n=40). Statistical analysis were performed by using SPSS20.0 software. Measurement data such as perioperative indicators were expressed as mean±standard deviation and were examined by independent t test. Count data such as complication rate and mortality were described by (n, %) and were examined by chi square test. The correlation between predicted resected liver volume and actual resected liver volume were also analyzed. A P value of <0.05 was considered as statistically significant.

Results

The median operation time of 36 min in the 3D group was shorter than that in non-3D group (P=0.048). There were no significant differences in other outcomes between two groups. Subgroup analysis showed that the operation time in 3D group was significantly shorter than that in non-3D group (P=0.03). There was a significant positive correlation between the predicted liver volume and the actual liver weight (r=0.80, P<0.001).

Conclusion

3D reconstruction and printing technology could shorten the operation time, especially repeated hepatectomy and segmental resection.

Key words: Hepatectomy, Imaging, three-dimensional, Risk assessment

Hongzhi Sun, Bo Zhang, Dongwei Li, Haijun Li. The role of 3D reconstruction and printing technology in accurate preoperative evaluation of liver surgery[J]. Chinese Journal of Operative Procedures of General Surgery(Electronic Edition), 2019, 13(06): 563-566.

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References 15

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组别	例数	年龄[(±s)，岁]	性别	诊断结论
组别	例数	年龄[(±s)，岁]	男/女	A/B/C/D/E/F
非3D组	40	65.6±7.7	26/14	2/1/3/10/1/3
3D组	40	67.4±8.3	30/10	21/5/3/8/1/2
t/χ²值	?	－1.2176	0.0653	0.6509
P值	?	>0.05	>0.05	>0.05

组别	例数	年龄[(±s)，岁]	性别	诊断结论
组别	例数	年龄[(±s)，岁]	男/女	A/B/C/D/E/F
非3D组	40	65.6±7.7	26/14	2/1/3/10/1/3
3D组	40	67.4±8.3	30/10	21/5/3/8/1/2
t/χ²值	?	－1.2176	0.0653	0.6509
P值	?	>0.05	>0.05	>0.05

组别	半肝切除或更复杂	节段切除术	肺段切除术	部分切除
非3D组	483.5±33.9	419.6±18.5	375.5±32.5	269.4±18.5
3D组	440.2±39.5	382.1±22.5	269.3±26.9	240.1±23.2
t值	5.886	5.502	7.118	6.203
P值	0.003	0.016	0.010	0.002

组别	半肝切除或更复杂	节段切除术	肺段切除术	部分切除
非3D组	483.5±33.9	419.6±18.5	375.5±32.5	269.4±18.5
3D组	440.2±39.5	382.1±22.5	269.3±26.9	240.1±23.2
t值	5.886	5.502	7.118	6.203
P值	0.003	0.016	0.010	0.002

组别	例数	手术时间(min)	失血量(ml)	AST(IU/L)	术后停留天数(d)
非3D组	40	370.5±26.6	597.2±21.8	452.5±19.6	12.6±2.2
3D组	40	335.6±23.4	542.6±27.5	389.2±27.7	9.6±1.8
t值	－	7.652	6.529	7.113	5.230
P值	－	0.048	0.026	0.015	0.019
组别	例数	术后并发症	肝功能衰竭	胆漏	术后30 d死亡	术后90 d死亡
非3D组	40	5	5	3	2	2
3D组	40	2	1	1	1	1
χ²值	－	5.112	5.782	5.125	3.001	2.595
P值	－	0.039	0.084	0.033	0.126	0.099

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