Effects of plasma combined with 1 470 laser in the treatment of superficial lateral bladder tumors

doi:10.3877/cma.j.issn.1674-3253.2021.04.015

Abstract

Abstract:

Objective

To summarize the clinical efficacy of plasma electrotomy combined with 1 470 laser excision in the treatment of superficial bladder tumors.

Methods

The clinical data of 58 patients with superficial sidewall bladder tumors who were admitted to our hospital from January 2017 to February 2019 were retrospectively analyzed. The patients were divided into plasma electrotomy group (PKRBt group) (n=28) and plasma combined with 1 470 laser group (PKRBt+1 470 group) (n=30) according to surgical methods. The baseline data, incidence of obturator nerve reflex, incidence of bladder perforation, positive rate of tumor base and tumor recurrence rate were compared between the two groups.

Results

There was no significant difference in baseline data between the two groups. The incidence of obturator nerve reflex in the PKRBt+1 470 group was significantly lower than that in the PKRBt group (P<0.01). The total tumor recurrence rate of primary lesion at 12 months after surgery in the PKRBt + 1470 group was lower than that in the PKRBt group (P<0.05).

Conclusion

PKRBt combined with 1470 laser resection is safe and effective in the treatment of superficial bladder tumors, with low total tumor recurrence rate 12 months after operation. It is worthy of being widely popularized in the clinical application.

Key words: Plasma, 1 470 nm laser, Bladder tumor, Bladder resection

Yuansheng Lu, Zhiquan Deng, Junhua Mo, Rujun Mo, Zhenfeng Liang, Shilong Lu, Jianjun Lu, Jiajie Li, Dehao Liu, Zengqiang Zhang, Daosheng Luo, Qiwu Mi. Effects of plasma combined with 1 470 laser in the treatment of superficial lateral bladder tumors[J]. Chinese Journal of Endourology(Electronic Edition), 2021, 15(04): 334-337.

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URL: https://zhqjmnmwkzz.cma-cmc.com.cn/EN/10.3877/cma.j.issn.1674-3253.2021.04.015

https://zhqjmnmwkzz.cma-cmc.com.cn/EN/Y2021/V15/I04/334

Figures/Tables 2

References 13

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组别	例数	性别（例）		病程[月，(±s)]	肿瘤数目(例)		肿瘤直径[cm，(±s)]	肿瘤位置（例）		临床分期（例）		病理分级（例）
组别	例数	男	女	病程[月，(±s)]	单发	多发	肿瘤直径[cm，(±s)]	左侧壁	右侧壁	Ta	T1	G1	G2	G3
PKRBt组	28	21	9	2.53±0.75	24	4	2.31±0.42	18	10	12	10	13	14	1
PKRBt+1 470组	30	20	10	2.61±0.58	22	8	2.42±0.39	17	13	16	20	11	17	2
统计值		χ²=0.077		t=0.462	χ²=0.373		t=1.051	χ²=0.840		χ²=0.287		χ²=0.2999
P值		0.781		0.646	0.542		0.298	0.840		0.592		0.861

组别	例数	性别（例）		病程[月，(±s)]	肿瘤数目(例)		肿瘤直径[cm，(±s)]	肿瘤位置（例）		临床分期（例）		病理分级（例）
组别	例数	男	女	病程[月，(±s)]	单发	多发	肿瘤直径[cm，(±s)]	左侧壁	右侧壁	Ta	T1	G1	G2	G3
PKRBt组	28	21	9	2.53±0.75	24	4	2.31±0.42	18	10	12	10	13	14	1
PKRBt+1 470组	30	20	10	2.61±0.58	22	8	2.42±0.39	17	13	16	20	11	17	2
统计值		χ²=0.077		t=0.462	χ²=0.373		t=1.051	χ²=0.840		χ²=0.287		χ²=0.2999
P值		0.781		0.646	0.542		0.298	0.840		0.592		0.861

组别	例数	并发症			肿瘤复发率
组别	例数	闭孔神经反射	膀胱穿孔	基底部阳性	新发肿瘤发生率	原发灶肿瘤复发率
PKRBt组	28	18(64.29)	2(7.14)	3(10.71)	2(7.14)	5(10.71)
PKRBt+1 470组	30	0	0	2(6.67)	2(6.67)	0
χ²值		27.964	2.219	0.301	0.005	5.863
P值		<0.001	0.136	0.583	0.943	0.015

组别	例数	并发症			肿瘤复发率
组别	例数	闭孔神经反射	膀胱穿孔	基底部阳性	新发肿瘤发生率	原发灶肿瘤复发率
PKRBt组	28	18(64.29)	2(7.14)	3(10.71)	2(7.14)	5(10.71)
PKRBt+1 470组	30	0	0	2(6.67)	2(6.67)	0
χ²值		27.964	2.219	0.301	0.005	5.863
P值		<0.001	0.136	0.583	0.943	0.015

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