Clinical effect of micro-dynamic negative pressure wound therapy on small area full thickness burn wounds caused by low-heat

doi:10.3877/cma.j.issn.1673-9450.2020.06.007

Abstract

Abstract:

Objective

To summarize the clinical effect of micro-dynamic negative pressure wound therapy(MDNPWT) on small area full thickness burn wounds caused by low-heat.

Methods

Clinical data of 220 outpatients with small area full thickness burn wounds caused by low-heat from Jan, 2016 to May, 2018 in Department of Burns Surgery, First Affiliated Hospital, Naval Medical University were collected. One hundred and eight patients treated with MDNPWT were set as micro-dynamic negative pressure group. One hundred and twelve patients treated with conventional treatment were set as conventional treatment group. MDNPWT wound dressing were used for dressing change in micro-dynamic negative pressure group, while classic wound dressing were used for dressing change in conventional treatment group. Healing time, frequency of dressing change, total costs, surgery rates of the 2 groups were compared. Data were processed with t test and chi-square test.

Results

The healing time in the micro-dynamic negative pressure group and conventional treatment group were (31.8±3.5), (48.0±13.9) d, the difference was statistically significant (t=11.75, P<0.05). The average times in the micro-dynamic negative pressure group and conventional treatment group were (6.4±0.7), (34.2±3.1) times, the difference was statistically significant (t=18.76, P<0.05). Total costs in the micro-dynamic negative pressure group and conventional treatment group were (2 807.5±782.6), (7516.7±238.3) yuan, the difference was statistically significant(t=18.55, P<0.05). Surgery rates in the micro-dynamic negative pressure group and conventional treatment group were 0 and 70.5%, the difference was statistically significant (χ²=118.9, P<0.05).

Conclusion

MDNPWT can be used as a new method to treat full thickness burn wounds caused by low-heat as it shows advantages in shortening wound healing time, saving treatment costs, lowing dressing change frequency and surgery rate.

Key words: Burns, Wounds and injuries, Negative pressure wound therapy, Micro-dynamic

Bohan Pan, Yang Xiang, Tao Tang, Shihui Zhu, Yu Sun. Clinical effect of micro-dynamic negative pressure wound therapy on small area full thickness burn wounds caused by low-heat[J]. Chinese Journal of Injury Repair and Wound Healing(Electronic Edition), 2020, 15(06): 465-469.

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Figures/Tables 2

References 17

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组别	例数	年龄(岁，±s)	性别(例)		致伤因素(例)		受伤至入组时间(d, ±s)	创面面积(cm², ±s)
组别	例数	年龄(岁，±s)	男	女	热水袋低温烫伤	艾灸低温烫伤	受伤至入组时间(d, ±s)	创面面积(cm², ±s)
微动力负压组	108	47.2±1.3	34	74	76	32	2.09±0.09	6.19±0.17
常规治疗组	112	46.7±1.4	41	71	84	28	1.91±0.08	5.94±0.15
t值		0.2880					1.452	1.134
χ²值			0.643		0.594
P值		0.774	0.423		0.442		0.074	0.258

组别	例数	年龄(岁，±s)	性别(例)		致伤因素(例)		受伤至入组时间(d, ±s)	创面面积(cm², ±s)
组别	例数	年龄(岁，±s)	男	女	热水袋低温烫伤	艾灸低温烫伤	受伤至入组时间(d, ±s)	创面面积(cm², ±s)
微动力负压组	108	47.2±1.3	34	74	76	32	2.09±0.09	6.19±0.17
常规治疗组	112	46.7±1.4	41	71	84	28	1.91±0.08	5.94±0.15
t值		0.2880					1.452	1.134
χ²值			0.643		0.594
P值		0.774	0.423		0.442		0.074	0.258

组别	例数	创面愈合时间(d, ±s)	换药次数(次，±s)	平均治疗总费用(元，±s)	手术率[例(%)]
微动力负压组	108	31.8±3.5	6.4±0.7	2 807.5±782.6	0(0)
常规治疗组	112	48.0±13.9	34.2±3.1	7 516.7±238.3	79(70.5)
t值		11.75	18.76	18.55
χ²值					118.9
P值		<0.05	<0.05	<0.05	<0.05

组别	例数	创面愈合时间(d, ±s)	换药次数(次，±s)	平均治疗总费用(元，±s)	手术率[例(%)]
微动力负压组	108	31.8±3.5	6.4±0.7	2 807.5±782.6	0(0)
常规治疗组	112	48.0±13.9	34.2±3.1	7 516.7±238.3	79(70.5)
t值		11.75	18.76	18.55
χ²值					118.9
P值		<0.05	<0.05	<0.05	<0.05

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